ORCID Profile
0000-0001-6582-1457
Current Organisation
RMIT University
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Research Topics
In Research Link Australia (RLA), "Research Topics" refer to ANZSRC FOR and SEO codes. These topics are either sourced from ANZSRC FOR and SEO codes listed in researchers' related grants or generated by a large language model (LLM) based on their publications.
Top 5 Research Topics
ANZSRC Field of Research (FoR)
Electrochemistry | Physical Metallurgy | Nanomaterials | Biological Sciences Not Elsewhere Classified | Physical Chemistry Not Elsewhere Classified | Manufacturing Engineering | Other Biological Sciences | Manufacturing Processes and Technologies (excl. Textiles) | Interdisciplinary Engineering Not Elsewhere Classified | Engineering/Technology Instrumentation | Materials Engineering | Metals and Alloy Materials | Materials Engineering Not Elsewhere Classified | Interdisciplinary Engineering | Condensed Matter Physics—Structural Properties |
ANZSRC Socio-Economic Objective (SEO)
Physical sciences | Education and Training Systems not elsewhere classified | Combined operations | Materials performance and processes | Metals (composites, coatings, bonding, etc.) | Biological sciences | Chemical sciences | Scientific instrumentation | Multimodal transport | Expanding Knowledge in Engineering | Coated Metal and Metal-Coated Products
Related Links
Publications
Products formed during the interaction of seawater droplets with zinc surfaces: II. Results from short exposures
Publisher: The Electrochemical Society
Date: 2010
DOI: 10.1149/1.3391383
Influence of Gas Temperature and Heat Treatment on Microstructure and Properties of Cold Sprayed Commercially Pure Titanium
Publisher: Springer Science and Business Media LLC
Date: 08-02-2022
DOI: 10.1007/S11665-022-06621-X
Abstract: Diffusion of oxygen and nitrogen in the cold sprayed commercially pure Ti (CS CP Ti) deposits profoundly impacts their mechanical properties. One plausible approach to additively manufacture a malleable (wrought) and high-density Ti is optimizing CS deposition parameters considering a reduction in porosity for the following heat treatment. Herein, we examined porosity, bulk density, and hardness characteristics of CS CP Ti deposits produced at varying processing gas temperatures (700, 800, and 900°C), which significantly influences the interactions of CP Ti with oxygen and nitrogen. Post-processing heat treatments at 800, 900, and 1000°C were performed in a high vacuum furnace, respectively, which diminished splat boundaries and submicron pores with increasing grain size. SEM images revealed that CS CP Ti had a dense microstructure with low porosity. According to LECO research, low spraying temperatures (i.e. 700°C) maintained oxygen and nitrogen levels in the CS CP Ti deposits at the same level as the stock powders. The bulk density of CS CP Ti produced at 900 °C matched that of wrought CP Ti metal. In addition, to improve the mechanical properties of CS CP Ti deposits, we looked at the link between CS conditions and heat treatment.
Erratum: A high-throughput test methodology for atmospheric corrosion studies (Electrochemical and Solid-State Letters (2011) 14 (C9))
Publisher: The Electrochemical Society
Date: 2011
DOI: 10.1149/1.3589991
Experimental and DFT studies of carbon nanotubes covalently functionalized with an imidazole derivative for electrochemical stability and green corrosion inhibition as a barrier layer on the nickel alloy surface in a sulphuric acidic medium
Publisher: Royal Society of Chemistry (RSC)
Date: 2019
DOI: 10.1039/C9RA08123B
Abstract: (A) The electrostatic interaction of a functionalized carbon material with a 111 nickel surface, (B) the OPT structure of 4,5-DPM + CNT, and (C) 4,5-DPIM + CNT material chemisorbed on a 111 nickel alloy surface.
Monitoring Aircraft Microclimate and Corrosion
Publisher: Elsevier BV
Date: 2017
A microclimate model to simulate neutral salt spray testing for corrosion inhibitor evaluation and functional coating development
Publisher: Elsevier BV
Date: 10-2017
Predictions of in-situ melt pool geometric signatures via machine learning techniques for laser metal deposition
Publisher: Informa UK Limited
Date: 14-03-2022
A review of nucleate boiling on nanoengineered surfaces – The nanostructures, phenomena and mechanisms
Publisher: Elsevier BV
Date: 10-2019
Green synthesis of: Opuntia-derived carbon nanodots for the catalytic decolourization of cationic dyes
Publisher: Royal Society of Chemistry (RSC)
Date: 2020
DOI: 10.1039/D0NJ03013A
Abstract: Carbon nanodots, rich in functional groups and synthesised using green precursors, catalyse the decolourization of dyes under mild conditions.
Experimental and computational studies of graphene oxide covalently functionalized by octylamine: Electrochemical stability, hydrogen evolution, and corrosion inhibition of the AZ13 Mg alloy in 3.5% NaCl
Publisher: Royal Society of Chemistry (RSC)
Date: 2020
DOI: 10.1039/C9RA10702A
Abstract: Octylamine-functionalized graphene oxide chemisorbed onto a Mg alloy surface by non-bonding electron.
Impact of doping ZrO2 with Sn on CO2 hydrogenation over dispersed Ru
Publisher: Elsevier BV
Date: 08-2023
Development of a corrosion sensor for an aircraft vehicle health monitoring system
Publisher: AIP
Date: 2010
DOI: 10.1063/1.3362135
Validating Agar as an Analog of Soil to Monitor Corrosion of Pipeline Steel
Publisher: Wiley
Date: 25-01-2023
Abstract: Aqueous electrolyte traditionally used for electrochemical characterization of soil‐related corrosion in laboratories fails to represent the soil physical features, such as pore structure, soil heterogeneity, soil compaction, and saturation levels, in the diffusion‐controlled corrosion process. This article introduces a semi‐solid agar system to reproduce the physical structure of soil for corrosion study. For feasibility validation of the agar system, direct comparison regarding electrochemical activity, diffusion characteristics, and corrosion mechanisms has been performed on pipeline steel in aqueous sodium chloride (NaCl) solution (5 g L −1 ), 5 g L −1 NaCl‐containing agar, and 5 g L −1 NaCl in sand, respectively. The results indicates that oxygen diffusion in agar and sand media is similar, which significantly weakens the cathodic activity of steel specimens, but leads to distinct corrosion characteristics from those identified in aqueous NaCl solution counterparts. The high diffusion rate of chloride ions in aqueous solution also accelerates corrosion of pipeline steel in NaCl solution through extensive attack at defect sites, but the limited chloride ion movement and the diminished driving force for anodic corrosion activity reduce such attack in their agar and sand equivalents. The solid nature of agar outperforms aqueous electrolytes as soil replicate to explore soil‐related corrosion responses at laboratory scale.
A pilot study on carbon quantum dots for bioimaging of muscle myoblasts
Publisher: IEEE
Date: 10-2020
In Vitro Biocompatibility of Surface Corrosion Films upon Magnesium
Publisher: Association for Materials Protection and Performance (AMPP)
Date: 17-12-2021
DOI: 10.5006/3596
Abstract: Biocompatibility is an essential requirement for implantable biomaterials, particularly for magnesium (Mg) and its alloys which are being pursued as biodegradable implants. In this study, the influence of corrosion-products layers upon the surface of pure Mg specimens was evaluated through direct contact with simulated body fluid. The immersion of pure Mg specimens was conducted in Dulbecco’s modified Eagle’s medium (DMEM) at physiological conditions over defined time durations (from 24 h to 14 d). Surface morphology, chemical composition, and cross-sectional structure of corrosion layers were examined by means of focused ion beam, scanning electron microscopy, and x-ray diffraction. Results reveal a duplex Mg(OH)2/CaPO4 corrosion layer was produced upon pure Mg as a result of immersion in DMEM, similar to the in vivo surface corrosion films observed on pure Mg in the murine artery. The concentration of Mg in the surface corrosion film decreased with immersion time, from approximately 64 wt% (1 d) to approximately 22 wt% (14 d). Conversely, Ca and P, representing the key constituents in DMEM, were incorporated in corrosion products, resulting in unique surfaces being presented to cells as a function of Mg dissolution. MG63 osteoblast proliferation assay demonstrates comparative cell viability on all corroded surfaces obtained through immersion in DMEM for 1 d, 3 d, 7 d, and 14 d, varying from 90% to 100%. Cell viability on all corroded surfaces was higher than that of bare metal surface (82%), signifying enhanced biocompatibility of corroded surfaces related to the bare metal surface.
FIB/SEM study of AA2024 corrosion under a seawater drop, part II
Publisher: Elsevier BV
Date: 02-2012
Possible effects of climate change on atmospheric corrosion in Australia
Publisher: Informa UK Limited
Date: 02-2010
Progress towards a unified model of corrosion with porous oxides
Publisher: The Electrochemical Society
Date: 08-10-2010
DOI: 10.1149/1.3496428
Abstract: The oxide that develops on the surface of the metals like zinc is usually porous. Any further oxidation of the metal can happen only if the electrolyte percolates through the oxide and comes in contact with the metal and also if there is a provision for the cathodic reaction to happen elsewhere. The oxide layer thus changes the conditions of corrosion of a metal surface. Three different electrochemical models for atmospheric corrosion of a metal under an aerosol solution are described. The models described are part of the holistic approach to model corrosion where multiple scales of time and space occur due to the various physical phenomena. When coupled with the macroscopic holistic model of production, transport, and deposition of aerosols these models are expected to comprehensively predict the corrosion rates and state of surfaces over a wide range of conditions. Some representative results of the models are presented and important assumptions underlying the models are stated. Also conditions leading to passivation are identified by all the three models.
Field studies of surface cleaning and salt retention on openly exposed metal plates
Publisher: Informa UK Limited
Date: 12-2006
Facile synthesis of Tb-decorated graphene oxide: Electrochemical stability, hydrogen storage, and corrosion inhibition of Mg AZ13 alloy in 3.5% NaCl medium
Publisher: Royal Society of Chemistry (RSC)
Date: 2020
DOI: 10.1039/D0RA08766A
Abstract: Terbium functionalized graphene oxide interacted with an Mg 2+ surface by the active side of GO.
Laser Beam-Induced Transient Acoustic Waves in Graphene Oxides
Publisher: Wiley
Date: 29-12-2021
The toxicity of graphene quantum dots
Publisher: Royal Society of Chemistry (RSC)
Date: 2016
DOI: 10.1039/C6RA16516H
Abstract: This review provides a comprehensive account on the current research status regarding the toxicity of graphene quantum dots (GQDs) – a new nano material with profound potential in various advanced applications.
Moisture distribution in porous oxide and polymer over-layers and critical relative humidity and time of wetness for chloride and non-chloride-bearing atmospheres for atmospheric corrosion of metals
Publisher: The Electrochemical Society
Date: 2016
DOI: 10.1149/2.0721610JES
Direct writing of divacancy centers in silicon carbide by femtosecond laser irradiation and subsequent thermal annealing
Publisher: AIP Publishing
Date: 03-01-2022
DOI: 10.1063/5.0070014
Abstract: Divacancy (VSiVC) centers in silicon carbide (SiC) have potential applications in quantum communication and sensing due to their attractive optical and spin properties. To realize many of these acancy-based quantum applications, it is vital that they are created in prescribed locations with high accuracy. Here, we describe the production of arrays of acancy centers in 4H polytype SiC (4H-SiC) by femtosecond laser irradiation and subsequent thermal annealing. We optically characterized these acancy centers by photoluminescence (PL) confocal mapping using a custom-built confocal microscope. The created acancy centers show a bright stable emission that depends on the pulse energy of the femtosecond laser. PL spectra of the acancy centers were collected using micro-Raman spectroscopy at the low temperature of 4.2 K and room temperature. The effect of thermal annealing was studied at various temperatures from 500 °C to 1000 °C and showed that the maximum acancy center PL intensity was achieved at 800 °C. These and the aforementioned measurements show that the femtosecond laser writing method enables acancy centers to be accurately positioned in 4H-SiC.
Evolution and stability of 2-mercaptobenzimidazole inhibitor film upon Al alloy 6061
Publisher: Springer Science and Business Media LLC
Date: 04-03-2022
DOI: 10.1007/S10800-022-01687-W
Abstract: Organic corrosion inhibitors have become competent alternatives to hazardous chrome conversion coatings due to their rapid adsorption over metal surfaces in corrosive environments. Literature suggests a wide range of organic corrosion inhibitors with high inhibition efficiency, barrier properties, and adsorption mechanisms. However, the long-term durability and protectiveness of an organic inhibitor film need to be understood with in-depth insights on its interaction with heterogenous alloy surfaces like AA6xxx, reduction of galvanic activities and time-resolved degradation due to ionic diffusion. The present article is focused on the time-resolved adsorption and degradation of 2-mercaptobenzimidazole (2-MBI)-induced inhibitor layer/film over AA6061 in 0.1 M NaCl solution. Electrochemical and surface analysis data indicate that the presence of 2-MBI drives the rapid formation of a 20–30 nm thick protective film comprised of constitutional elements of C, S, and N from 2-MBI upon the surface of AA6061 substrate. This film mitigated the corrosion cells associated with nano- and micro-sized Fe and Si-rich intermetallic particles (IMPs) in AA6061. XPS reveals two distinguished bonding states of S and N in the inhibitor film and chemical interactions between 2-MBI and the surface of AA6061. The protective film maintained 65% inhibiting efficiency after 1 day, which progressively degraded due to electrolyte ingress and eventually with a drop in inhibition efficiency down to 21% after 14 days. Inhibitor-induced film over AA6061 reduced the corrosion susceptibility of Fe, and Si-rich IMPs up to 1 day given the subsequent adsorption by S and N heteroatoms. However, this film became thick and defective after 1 day, which undermined its barrier properties against ingress of aggressive ions and facilitated water adsorption. Graphical abstract
A high-throughput test methodology for atmospheric corrosion studies
Publisher: The Electrochemical Society
Date: 2011
DOI: 10.1149/1.3569800
Environmental phosphate coating for corrosion prevention in CO2 pipelines
Publisher: Elsevier BV
Date: 03-2013
Interfacial study of the formation mechanism of corrosion resistant strontium phosphate coatings upon Mg-3Al-4.3Ca-0.1Mn
Publisher: Elsevier BV
Date: 05-2019
Regulation of interfacial chemistry by coupled reaction-diffusion processes in the electrolyte: A stiff solution dynamics model for corrosion and passivity of metals
Publisher: Elsevier BV
Date: 05-2014
Mathematical models of dependence of surface temperatures of exposed metal plates on environmental parameters
Publisher: Informa UK Limited
Date: 03-2006
Models for corrosion of metals under thin electrolyte layers
Publisher: The Electrochemical Society
Date: 11-10-2011
DOI: 10.1149/1.3641284
Abstract: One-dimensional mathematical models are presented for the free corrosion of a metal surface under a thin electrolyte layer with or without an oxide layer. The models address anodic metal dissolution which is controlled by oxygen diffusion through the electrolyte layer and by the oxygen reduction at the metal surface. Under free corrosion the effect of a porous oxide layer under the thin electrolyte film which is either inert or supports the oxygen reduction on its surface is discussed.
Holistic model for atmospheric corrosion Part 7 - Cleaning of salt from metal surfaces
Publisher: Informa UK Limited
Date: 06-2007
Plasma Electrolytic Oxidation upon Mg Alloys: Fundamentals, State-of-the-Art Progress and Challenges
Publisher: Springer International Publishing
Date: 2022
Corrosion of pipelines used for CO2 transport in CCS: Is it a real problem?
Publisher: Elsevier BV
Date: 07-2011
The influence of microstructure on surface phenomena: Rolled zinc
Publisher: Elsevier BV
Date: 11-2007
Development of SiO2-coumarin fluorescent nanohybrid and its application for Cu(II) sensing in aqueous extracts of roadside soil
Publisher: Springer Science and Business Media LLC
Date: 31-05-2022
DOI: 10.1007/S11051-022-05492-6
Abstract: A SiO 2 -coumarin nanohybrid was investigated for its Cu(II) sensing performance in aqueous media, and in comparison with the Cu(II)-selective coumarin used alone. Fluorescence of both coumarin itself and the nanohybrid, λ ex / λ em 435/481 nm, was selectively quenched by Cu(II) when tested against a range of multivalent cations. The nanohybrid had enhanced Cu(II) sensing properties when compared to the coumarin including (i) improved limit of detection from μM-level (0.48 μM) of Cu(II) using coumarin alone to nM-level (0.033 μM) and (ii) an extended linear detection range of 0.033–260 μM (0.0005–4.1 mg/mL) Cu(II) compared to 0.48–55 μM for the coumarin itself. The lower limit of detection and extended range were achieved with a smaller amount of coumarin and no traces of organic solvents used to help coumarin dissolution. Characterization suggested that under applied test conditions at pH = 5, SiO 2 nanoparticles with negative surface charges adsorbed coumarin and then (when present) Cu(II) ions. The SiO 2 -coumarin nanohybrid was then applied for the determination of Cu(II) levels in aqueous soil extracts reaching over 94% recovery rates when used against the standard soil analysis method by inductively coupled plasma mass spectrometry (ICP-MS). Graphical Abstract
Controllable Synthesis of Carbon Dots with Excitation-Wavelength-Dependent or Independent Photoluminescence for the Selective and Sensitive Detection of Co2+ Ions
Publisher: Wiley
Date: 12-11-2018
Synergistic Coating Strategy Combining Photodynamic Therapy and Fluoride-Free Superhydrophobicity for Eradicating Bacterial Adhesion and Reinforcing Corrosion Protection
Publisher: American Chemical Society (ACS)
Date: 22-09-2020
Distributed quantum dot sensors for monitoring the integrity of protective aerospace coatings
Publisher: IEEE
Date: 03-2012
Investigating the effect of salt and acid impurities in supercritical CO2 as relevant to the corrosion of carbon capture and storage pipelines
Publisher: Elsevier BV
Date: 09-2013
Model for corrosion of metals covered with thin electrolyte layers: Pseudo-steady state diffusion of oxygen
Publisher: Elsevier BV
Date: 08-2011
In-Process 4d Reconstruction for Robotic Additive Manufacturing
Publisher: Elsevier BV
Date: 2023
DOI: 10.2139/SSRN.4341757
Praseodymium-decorated graphene oxide as a corrosion inhibitor in acidic media for the magnesium AZ31 alloy
Publisher: Royal Society of Chemistry (RSC)
Date: 2018
DOI: 10.1039/C8RA05118F
Abstract: The Mg alloys 111 surface is covered by the praseodymium decorated graphene oxide sheet, and (A) & (B) indicates ions diffusion control (C) indicates epoxy coating failure.
Predicting the service life of buildings and components
Publisher: Thomas Telford Ltd.
Date: 12-2011
DOI: 10.1680/COMA.2011.164.6.305
Abstract: The prediction of the service life of buildings and engineered structures is complex. Such predictions are usually carried out on a component-by-component basis, but must incorporate variations in component design, material type, usage and environment. Extensive databases of life prediction are required to cover the vast number of components/environments/usage combinations that exist in buildings or engineered structures. This study investigated the erse methods used to model the life of components in structures, including data mining of maintenance and service records, expert opinion surveys (Delphi surveys), multiscale process modelling, and sensing. These methods were analysed in terms of the issues identified above and their applicability to meet the differing uses of life prediction data. Detailed case studies are presented and the strengths and weaknesses of the methods are analysed with respect to the final uses of life prediction.
Hazard profiling of a combinatorial library of zinc oxide nanoparticles: Ameliorating light and dark toxicity through surface passivation
Publisher: Elsevier BV
Date: 07-2022
DOI: 10.1016/J.JHAZMAT.2022.128825
Abstract: Zinc oxide (ZnO) is one of the high-volume production nanoparticles (NPs) currently used in a wide range of consumer and industrial goods. The inevitable seepage into environmental matrices and the photoactive nature of ZnO NPs warrants hazard profiling under environmentally related conditions. In this paper, the influence of simulated solar light (SSL) on dissolution behaviour and phototoxicity of ZnO NPs was studied using a combinatorial library of ZnO NPs with different sizes, surface coatings, dopant chemistry, and aspect ratios in a fish cell line (BF2) and zebrafish embryos. Generally, the cytotoxicity and embryo mortality increased when exposed concomitantly to SSL and ZnO NPs. The increase in toxic potential of ZnO NPs during SSL exposure concurred with release of Zn ions and ROS generation. Surface modification of NPs with poly(methacrylic acid) (PMAA), silica or serum coating decreased toxicity and ZnO with serum coating was the only NP that had no significant effect on any of the cytotoxicity parameters when tested under both dark and SSL conditions. Results from our study show that exposure to light could increase the toxic potential of ZnO NPs to environmental lifeforms and mitigation of ZnO NP toxicity is possible through modifying the surface chemistry.
Experimental determination of time taken for openly exposed metal surfaces to dry
Publisher: Informa UK Limited
Date: 06-2006
Quantum dot (QD)-based probes for multiplexed determination of heavy metal ions
Publisher: Springer Science and Business Media LLC
Date: 29-11-2022
Carbon dots as fluorescent probes for off-on detection of Cu2+ and l-cysteine in aqueous solution
Publisher: Elsevier BV
Date: 2014
DOI: 10.1016/J.BIOS.2013.07.042
Abstract: Copper ion (Cu(2+)) and L-cysteine (L-Cys) detection is critically important since an abnormal level of Cu(2+) or L-Cys is an indicator for many diseases. In this paper, we demonstrate an "off-on" approach for highly sensitive and selective detection of Cu(2+) and L-Cys using carbon dots (CDs) as fluorescent probes. CDs were prepared by using mesoporous silica (MS) spheres as nanoreactors. The binding ability of CDs towards metal ions was examined by comparing the fluorescence intensities of CDs before and after the addition of the metal ions. The addition of Cu(2+) cations leads to their absorption on the surface of CDs and the significant fluorescence quench of CDs (turn-off). The resulting in CDs-Cu(2+) system was found to be sensitive to L-Cys. The addition of L-Cys not only serves to shelter the CDs effectively from being quenched, but also to reverse the quenching and restore the fluorescence (turn-on) due to its ability to remove Cu(2+) from the surface of CDs. This method is facile, rapid, low cost, and environment-friendly. A detection limit as low as 2.3×10(-8) M for Cu(2+) and 3.4×10(-10) M for L-Cys is obtained, which is promising for biological applications.
FIB/SEM study of AA2024 corrosion under a seawater drop: Part I
Publisher: Elsevier BV
Date: 03-2011
Butylamine functionalized graphene oxide: experimental and DFT studies on the corrosion inhibition efficiency of the MgAZ13 alloy in a 3.5% NaCl environment
Publisher: Royal Society of Chemistry (RSC)
Date: 2023
DOI: 10.1039/D2MA01054B
Abstract: Figure A depicts the electrostatic energy in edge functional groups with non-bonding electrons and suggests an interaction with the metal surface. Figure B shows protonated electrostatic energy that indicates the donation of a pair of electrons to the metal surface.
Honeycomb-like porous metallic glasses decorated by Cu nanoparticles formed by one-pot electrochemically galvanostatic etching
Publisher: Elsevier BV
Date: 11-2020
Nano-scale reservoir computing
Publisher: IEEE
Date: 06-2013
Experimental studies of salts removal from metal surfaces by wind and rain
Publisher: Informa UK Limited
Date: 12-2004
A corrosion map of Abu Dhabi
Publisher: Wiley
Date: 13-07-2013
A review of the protection strategies against internal corrosion for the safe transport of supercritical CO2 via steel pipelines for CCS purposes
Publisher: Elsevier BV
Date: 10-2014
Pre-treatment of Zn surfaces for droplet corrosion studies
Publisher: Elsevier BV
Date: 10-2010
A Search for Bright Kuiper Belt Objects
Publisher: Cambridge University Press (CUP)
Date: 1998
DOI: 10.1071/AS98176
Abstract: Since 1992, 60 large Kuiper Belt objects have been detected by ground-based telescopes. Previous surveys which have detected objects have searched approximately 60□° and detected objects with magnitudes 20·6 m R 25·0. However, the luminosity function of brighter Kuiper Belt objects is not well determined. The detection of brighter objects would improve our ability to determine the Kuiper Belt objects' surface composition and provide constraints on the population statistics of different formation mechanisms. This paper describes a survey of 12·0□° of sky near the ecliptic to a limiting magnitude of m R ∼ 21. A slow moving candidate was detected near the magnitude limit of the survey.
Contributions of Ti-xTa cold spray composite interface to in-vitro cell growth
Publisher: Elsevier BV
Date: 2023
Exposure, assessment and health hazards of particulate matter in metal additive manufacturing: A review
Publisher: Elsevier BV
Date: 11-2020
3D-QSAR for binding constants of Β-cyclodextrin host-guest complexes by utilising spectrophores as molecular descriptors
Publisher: Elsevier BV
Date: 06-2019
DOI: 10.1016/J.CHEMOSPHERE.2019.03.020
Abstract: The increasing use of cyclodextrins (CDs) as host-molecules for host-guest complexes and their remediation application in environmental science requires to establish easily accessible models of "quantitative structure-activity relationships" (QSARs) to predict the binding constants. A new open-source molecular descriptor, so called spectrophores, was utilised to build 3D-QSAR models which have R
Corrosion of Zn under fine size aerosols and droplets using inkjet printer deposition and optical profilometry quantification
Publisher: Elsevier BV
Date: 11-2011
Nano-scale reservoir computing
Publisher: Elsevier BV
Date: 12-2013
Long term durability studies on the corrosion inhibition effect of 2-mercaptobenzimidazole (C3H4N2S) on AA6022: Mechanism of film formation and influence of IMPs
Publisher: Elsevier BV
Date: 08-2021
Compact oxides formed on zinc during exposure to a single sea-water droplet
Publisher: The Electrochemical Society
Date: 12-12-2013
DOI: 10.1149/2.075302JES
Quasi-Continuously Tuning the Size of Graphene Quantum Dots via an Edge-Etching Mechanism
Publisher: Springer Science and Business Media LLC
Date: 17-03-2016
DOI: 10.1557/ADV.2016.198
Atmospheric corrosion
Publisher: Elsevier
Date: 2010
Designing green, self-healing coatings for metal protection
Publisher: Springer Science and Business Media LLC
Date: 10-2010
Picomolar reversible Hg(II) solid-state sensor based on carbon dots in double heterostructure colloidal photonic crystals
Publisher: Elsevier BV
Date: 03-2017
Recent progress in intelligent vehicle health monitoring
Publisher: Trans Tech Publications, Ltd.
Date: 06-2013
DOI: 10.4028/WWW.SCIENTIFIC.NET/KEM.558.357
Abstract: Boeing, CSIRO and DSTO are collaborating on research into Intelligent Health Monitoring for Aerospace Vehicles (IHMAV). The system has the ability both to predict the probable development of corrosion and to elucidate the environmental factors that are promoting corrosion. The paper discusses the system capabilities, data output including the data derived from previous monitoring programs on B-707. In particular this data established the connection between local microclimate and corrosion events and highlights variations in microclimate and corrosion that can occur for different spaces in an airframe and different airframes.
The rate of drying of moisture from a metal surface and its implication for time of wetness
Publisher: Elsevier BV
Date: 03-1995
Laser‐Reduced Graphene: Synthesis, Properties, and Applications
Publisher: Wiley
Date: 16-02-2018
Critical review: Microbially influenced corrosion of buried carbon steel pipes
Publisher: Elsevier BV
Date: 09-2014
What really controls the atmospheric corrosion of zinc? Effect of marine aerosols on atmospheric corrosion of zinc
Publisher: Informa UK Limited
Date: 05-2009
Modeling corrosion of a metal under an aerosol droplet
Publisher: Trans Tech Publications, Ltd.
Date: 06-2010
DOI: 10.4028/WWW.SCIENTIFIC.NET/MSF.654-656.1650
Abstract: On a metal surface covered with a moisture layer of variable thickness and shape, the dissolved oxygen may induce a spatial separation of the anodic and cathodic reactions on space-time scales characteristic of the roughness, droplet size and the local kinetics of the system. This leads to a spatio-temporal variations in species concentrations, current and potential over the metal surface and thus atmospheric corrosion. Here a fully three-dimensional transient model is developed that addresses the corrosion of a metal under an aerosol droplet. The effects of various parameters, such as exchange current densities, initial concentrations, shape and size of the droplet, and diffusivity of oxygen on ionic, potential and current distributions are investigated.
Interfacial separation of concentrated dye mixtures from solution with environmentally compatible nitrogenous-silane nanoparticles modified with Helianthus annuus husk extract
Publisher: Elsevier BV
Date: 02-2020
DOI: 10.1016/J.JCIS.2019.10.108
Abstract: The capacity of an adsorbent to bind and remove dye from solution greatly depends on the type of functionalization present on the nanoparticles surface, and its interaction with the dye molecules. Within this study, nitrogenous silane nanoparticles were hydrothermally synthesized resulting in the formation of rapid and highly efficient adsorbents for concentrated mixed dyes. The amorphous silane nanoparticles exhibited a monolayer based mechanism of mixed dye adsorption with removal capacities between 416.67 and 714.29 mg/g of adsorbent. Dye removal was predominantly due to the electrostatic attraction between the positively charged silane nanoparticles (13.22-8.20 mV) and the negatively charged dye molecules (-54.23 mV). Addition of H. annuus extract during synthesis resulted in three times the surface area and 10 times increased pore volume compared to the positive control. XPS analysis showed that silane treatments had various nitrogen containing functionalities at their surface responsible for binding dye. The weak colloidal stability of silane particles (13.22-8.20 mV) was disrupted following dye binding, resulting in their rapid coagulation and flocculation which facilitated the separation of bound dye molecules from solution. The suitability for environmental applications using these treatments was supported by a bacterial viability assay showing >90% cell viability in treated dye supernatants.
Recent advances in biodegradation controls over Mg alloys for bone fracture management: A review
Publisher: Elsevier BV
Date: 04-2019
The application of multiscale quasi 4D CT to the study of SrCrO4 distributions and the development of porous networks in epoxy-based primer coatings
Publisher: Elsevier BV
Date: 11-2014
Oxygen consumption upon electrochemically polarised zinc
Publisher: Springer Science and Business Media LLC
Date: 27-03-2014
Multiscale simulation of rapid solidification of an aluminium–silicon alloy under additive manufacturing conditions
Publisher: Elsevier BV
Date: 12-2021
Bioimaging of c2c12 muscle myoblasts using fluorescent carbon quantum dots synthesized from bread
Publisher: MDPI AG
Date: 11-08-2020
DOI: 10.3390/NANO10081575
Abstract: Biocompatible carbon quantum dots (CQDs) have recently attracted increased interest in biomedical imaging owing to their advantageous photoluminescence properties. Numerous precursors of fluorescent CQDs and various fabrication procedures are also reported in the literature. However the use of concentrated mineral acids and other corrosive chemicals during the fabrication process curtails their biocompatibility and severely limits the utilization of the products in cell bio-imaging. In this study a facile fast and cost-effective synthetic route is employed to fabricate CQDs from a natural organic resource namely bread where the use of any toxic chemicals is eliminated. Thus the novel chemical-free technique facilitated the production of luminescent CQDs that were endowed with low cytotoxicity and therefore suitable candidates for bioimaging sensors. The above mentioned amorphous CQDs also exhibited fluorescence over 360–420 nm excitation wavelengths and with a broad emission range of 360–600 nm. We have also shown that the CQDs were well internalized by muscle myoblasts (C2C12) and differentiated myotubes the cell lines which have not been reported before.
Hybrid additive manufacturing of biocompatible Ti–Ta composite structures for biomedical applications
Publisher: Springer Science and Business Media LLC
Date: 13-04-2021
Metastable and stable pitting events at zinc passive layer in alkaline solutions
Publisher: Springer Science and Business Media LLC
Date: 11-07-2014
Revelation of intertwining organic and inorganic fractal structures in polymer coatings
Publisher: Wiley
Date: 02-05-2014
Abstract: X-ray microtomography and serial block face scanning electron microscopy are used to reveal independent clusters of inorganic particles embedded within a polymer. These clusters are interpenetrating, of varying size, and have fractal dimensions that strongly influence transport and structure-property relations. This interpretation forms a baseline for designing hybrid materials for applications in self-healing, drug delivery, and membranes.
Effect of thickness on the fatigue life of welded joints for offshore platforms
Publisher: Informa UK Limited
Date: 1992
Selective thermal transformation of old computer printed circuit boards to Cu-Sn based alloy
Publisher: Elsevier BV
Date: 09-2017
DOI: 10.1016/J.JENVMAN.2017.05.028
Abstract: This study investigates, verifies and determines the optimal parameters for the selective thermal transformation of problematic electronic waste (e-waste) to produce value-added copper-tin (Cu-Sn) based alloys thereby demonstrating a novel new pathway for the cost-effective recovery of resources from one of the world's fastest growing and most challenging waste streams. Using outdated computer printed circuit boards (PCBs), a ubiquitous component of e-waste, we investigated transformations across a range of temperatures and time frames. Results indicate a two-step heat treatment process, using a low temperature step followed by a high temperature step, can be used to produce and separate off, first, a lead (Pb) based alloy and, subsequently, a Cu-Sn based alloy. We also found a single-step heat treatment process at a moderate temperature of 900 °C can be used to directly transform old PCBs to produce a Cu-Sn based alloy, while capturing the Pb and antimony (Sb) as alloying elements to prevent the emission of these low melting point elements. These results demonstrate old computer PCBs, large volumes of which are already within global waste stockpiles, can be considered a potential source of value-added metal alloys, opening up a new opportunity for utilizing e-waste to produce metal alloys in local micro-factories.
Quantum-confined bandgap narrowing of TiO2 nanoparticles by graphene quantum dots for visible-light-driven applications
Publisher: Royal Society of Chemistry (RSC)
Date: 2016
DOI: 10.1039/C6CC03302D
Abstract: We for the first time report a quantum-confined bandgap narrowing mechanism through which the absorption of two UV absorbers, namely the graphene quantum dots (GQDs) and TiO 2 nanoparticles, can be easily extended into the visible light range in a controllable manner.
Tailoring the edges of graphene quantum dots to establish localized π-π interactions with aromatic molecules
Publisher: Royal Society of Chemistry (RSC)
Date: 2015
DOI: 10.1039/C5RA04927J
Abstract: Partially ring-terminated graphene quantum dots enable efficient detection of aromatic molecules via the edge-localized π–π interaction.
Microstructure characterisation and reconstruction of intermetallic particles
Publisher: Wiley
Date: 10-12-2013
An analysis of the microclimate of Australian wall cavities
Publisher: Elsevier BV
Date: 12-1994
Holistic model for atmospheric corrosion Part 6 - From wet aerosol to salt deposit
Publisher: Informa UK Limited
Date: 09-2004
Modeling corrosion inhibition efficacy of small organic molecules as non-toxic chromate alternatives using comparative molecular surface analysis (CoMSA)
Publisher: Elsevier BV
Date: 10-2016
DOI: 10.1016/J.CHEMOSPHERE.2016.06.044
Abstract: Traditionally many structural alloys are protected by primer coatings loaded with corrosion inhibiting additives. Strontium Chromate (or other chromates) have been shown to be extremely effectively inhibitors, and find extensive use in protective primer formulations. Unfortunately, hexavalent chromium which imbues these coatings with their corrosion inhibiting properties is also highly toxic, and their use is being increasingly restricted by legislation. In this work we explore a novel tridimensional Quantitative-Structure Property Relationship (3D-QSPR) approach, comparative molecular surface analysis (CoMSA), which was developed to recognize "high-performing" corrosion inhibitor candidates from the distributions of electronegativity, polarizability and van der Waals volume on the molecular surfaces of 28 small organic molecules. Multivariate statistical analysis identified five prototypes molecules, which are capable of explaining 71% of the variance within the inhibitor data set whilst a further five molecules were also identified as archetypes, describing 75% of data variance. All active corrosion inhibitors, at a 80% threshold, were successfully recognized by the CoMSA model with adequate specificity and precision higher than 70% and 60%, respectively. The model was also capable of identifying structural patterns, that revealed reasonable starting points for where structural changes may augment corrosion inhibition efficacy. The presented methodology can be applied to other functional molecules and extended to cover structure-activity studies in a erse range of areas such as drug design and novel material discovery.
Comparability and accuracy of time of wetness sensing methods relevant for atmospheric corrosion
Publisher: Elsevier BV
Date: 02-2013
Exfoliation of Quasi-Stratified Bi2 S3 Crystals into Micron-Scale Ultrathin Corrugated Nanosheets
Publisher: American Chemical Society (ACS)
Date: 15-12-2016
Neodymium-decorated graphene oxide as a corrosion barrier layer on Ti6Al4V alloy in acidic medium
Publisher: Royal Society of Chemistry (RSC)
Date: 2019
DOI: 10.1039/C9RA00106A
Abstract: Neodymium-decorated graphene oxide is chemisorbed by non-bonding electrons on Ti6Al4V surface increasing the corrosion inhibition in acidic media.
A model to estimate moisture distribution in porous oxides as a function of atmospheric conditions
Publisher: Elsevier BV
Date: 06-2014
Gallium-Strontium Phosphate Conversion Coatings for Promoting Infection Prevention and Biocompatibility of Magnesium for Orthopedic Applications
Publisher: American Chemical Society (ACS)
Date: 16-05-2022
DOI: 10.1021/ACSBIOMATERIALS.2C00099
Abstract: Device-associated infections remain a clinical challenge. The common strategies to prevent bacterial infection are either toxic to healthy mammalian cells and tissue or involve high doses of antibiotics that can prompt long-term negative consequences. An antibiotic-free coating strategy to suppress bacterial growth is presented herein, which concurrently promotes bone cell growth and moderates the dissolution kinetics of resorbable magnesium (Mg) biomaterials. Pure Mg as a model biodegradable material was coated with gallium-doped strontium-phosphate through a chemical conversion process. Gallium was distributed in a gradual manner throughout the strontium-phosphate coating, with a compact structure and a gallium-rich surface. It was demonstrated that the coating protected the underlying Mg parts from significant degradation in minimal essential media at physiological conditions over 9 days. In terms of bacteria culture, the liberated gallium ions from the coatings upon Mg specimens, even though in minute quantities, inhibited the growth of Gram-positive
Aerosol exchange between pressure-equilibrium rooms induced by door motion and human movement
Publisher: Elsevier BV
Date: 08-2023
The atmospheric corrosion of zinc: The effects of salt concentration, droplet size and droplet shape
Publisher: Elsevier BV
Date: 2011
State of the aqueous phase in liquid and supercritical CO2 as relevant to CCS pipelines
Publisher: Elsevier BV
Date: 03-2012
Erratum: The protective nature of passivation films on zinc: Surface charge (Corrosion Science (2004) 46 (2319-2335) DOI:10.1016/j.corsci.2004.01.002)
Publisher: Elsevier BV
Date: 07-2005
Experimental determination of duration of wetness on metal surfaces
Publisher: Informa UK Limited
Date: 06-2008
Revisiting zinc passivation in alkaline solutions
Publisher: Elsevier BV
Date: 05-2013
Catalytic degradation of methylene blue using iron and nitrogen-containing carbon dots as Fenton-like catalysts
Publisher: Royal Society of Chemistry (RSC)
Date: 2022
DOI: 10.1039/D1NJ04761B
Abstract: Carbon dots were modified with iron and nitrogen groups to produce specific surface groups and charge which demonstrated high efficiency for the Fenton-like degradation of methylene blue whilst markedly minimising its effluent toxicity.
Towards sustainable facilities management
Publisher: Spon Press
Date: 09-02-2009
Airlife - Towards a fleet management tool for corrosion damage
Publisher: Walter de Gruyter GmbH
Date: 08-2007
Fluorescent Magnesium Hydroxide Nanosheet Bandages with Tailored Properties for Biocompatible Antimicrobial Wound Dressings and pH Monitoring
Publisher: American Chemical Society (ACS)
Date: 09-06-2021
Carbon dots functionalized by organosilane with double-sided anchoring for nanomolar Hg2+ detection
Publisher: Elsevier BV
Date: 2015
DOI: 10.1016/J.JCIS.2014.09.013
Abstract: Surface functional groups on carbon dots (CDs) play a critical role in defining their photoluminescence properties and functionalities. A new kind of organosilane-functionalized CDs (OS-CDs) were formed by a low temperature (150°C) solvothermal synthesis of citric acid in N-(β-aminoethyl)-γ-aminopropylmethyl-dimethoxysilane (AEAPMS). Uniquely, the as-synthesized OS-CDs have dual long chain functional groups with both NH2 and Si(OCH3)3 as terminal moieties. Double sided anchoring of AEAPMS on CDs occurs, facilitated by the water produced (and confined at the interface between CDs and solvent) when citric acid condenses into the carbon core. The resultant OS-CDs are multi-solvent dispersible, and more significantly, they exhibit excellent selectivity and sensitivity to Hg(2+) with a linear detection range of 0-50 nM and detection limit of 1.35 nM. The sensitivity and selectivity to Hg(2+) is preserved in highly complex fluids with a detection limit of 1.7 nM in spiked 1 M NaCl solution and a detection limit of 50 nM in municipal wastewater effluent. The results show that the OS-CDs synthesised by the solvothermal method in AEAPMS may be used as an effective Hg(2+) sensor in practical situations.
Hydrothermally prepared layered double hydroxide coatings for corrosion protection of Mg alloys – a critical review
Publisher: Elsevier BV
Date: 12-2022
Improving in vitro and in vivo antibacterial functionality of Mg alloys through micro-alloying with Sr and Ga
Publisher: Elsevier BV
Date: 11-2019
DOI: 10.1016/J.MSEC.2019.109926
Abstract: Despite of technical advancements in design and development of new biomaterials, device-related infections continue to occur and can be life-threatening. Differing from existing research work pertaining to introducing antibacterial function upon device surface, this study attempts to address such germ-infection issues through controlled release of antibacterial species from bulk gallium (Ga) and strontium (Sr) containing magnesium (Mg) alloys. To validate such a conceptual framework, Mg alloys containing micro-level concentrations of Ga and/or Sr (0.1 wt%) are employed as model materials, along with commercially pure Mg and titanium (Ti) as control groups. Biodegradation progress of such metal specimens is examined through pH and mass loss measurements, and inductively coupled plasma - atomic emission spectrometry (ICP-AES) as a function of immersion time in Trypticase Soy Broth (TSB) solution under physiological conditions. In vitro biocompatibility and antibacterial performance are characterised through MTT proliferation assay with human mesenchymal stem cells (hMSCs) and the spread plate method with three representative bacterial strains, i.e. S. aureus (ATCC 43300), E. coli (ATCC 25922), and S. epidermidis (ATCC 35984). Animal tests are performed through implanting target metal rods into femurs of Sprague Dawley rats, accompanied with injection of S. aureus to build a model of osteomyelitis. Results demonstrate that such lean additions of Ga and/or Sr reduce the degradation kinetics of Mg matrix, and the release of Ga
The influence of rare earth mercaptoacetate on the initiation of corrosion on AA2024-T3 Part I: Average statistics of each intermetallic composition
Publisher: Elsevier BV
Date: 06-2015
A green MnMgZn phosphate coating for steel pipelines transporting CO 2 rich fluids
Publisher: Elsevier BV
Date: 10-2012
The influence of rare earth mercaptoacetate on the initiation of corrosion on AA2024-T3 Part II: The influence of intermetallic compositions within heavily attacked sites
Publisher: Elsevier BV
Date: 06-2015
Self-repairing oxides to protect zinc: Review, discussion and prospects
Publisher: Elsevier BV
Date: 04-2013
Plasma forming multilayer ceramics for ultra-high temperature application
Publisher: Elsevier BV
Date: 02-2013
Structural evolution of graphene quantum dots during thermal decomposition of citric acid and the corresponding photoluminescence
Publisher: Elsevier BV
Date: 02-2015
Using Fourier Transform Infrared Analysis to Detect Corrosion Products on the Surface of Metals Exposed to Atmospheric Conditions
Publisher: Association for Materials Protection and Performance (AMPP)
Date: 10-1997
DOI: 10.5006/1.3290263
Effect of climate change on corrosion rates of structures in Australia
Publisher: Springer Science and Business Media LLC
Date: 15-03-2014
Holistic model for atmospheric corrosion Part 1 - Theoretical framework for production, transportation and deposition of marine salts
Publisher: Informa UK Limited
Date: 06-2003
Smart coatings for corrosion protection: An overview
Publisher: Elsevier
Date: 2014
The atmosphere conditions and surface interactions
Publisher: Springer Netherlands
Date: 2016
Corrosion of Zn under acidified marine droplets
Publisher: Elsevier BV
Date: 04-2011
Towards chromate-free corrosion inhibitors: Structure-property models for organic alternatives
Publisher: Royal Society of Chemistry (RSC)
Date: 2014
DOI: 10.1039/C3GC42540A
Abstract: Progressive restrictions on the use of toxic chromate-based corrosion inhibitors present serious technical challenges.
Rapid and selective screening of organic peroxide explosives using acid-hydrolysis induced chemiluminescence
Publisher: Elsevier BV
Date: 05-2023
Corrosion of zinc as a function of pH
Publisher: Association for Materials Protection and Performance (AMPP)
Date: 2012
DOI: 10.5006/1.3676630
The effect of fluorophore incorporation on fluorescence enhancement in colloidal photonic crystals
Publisher: Royal Society of Chemistry (RSC)
Date: 2016
DOI: 10.1039/C5CP06489A
Abstract: Diffusion-swelling dye incorporation method improves photonic structure-induced emission enhancement.
Influence of leaf litter on corrosion of gutters
Publisher: Informa UK Limited
Date: 08-2010
The influence of powder morphology on the microstructure and mechanical properties of as-sprayed and heat-treated cold-sprayed CP Ti
Publisher: Springer Science and Business Media LLC
Date: 19-10-2022
Fast and Effective Removal of Congo Red by Doped ZnO Nanoparticles
Publisher: MDPI AG
Date: 30-01-2023
DOI: 10.3390/NANO13030566
Abstract: ZnO nanoparticles (NPs) show remarkable efficiency in removing various contaminants from aqueous systems. Doping ZnO NPs with a second metal element can dramatically change the physicochemical properties of the pristine nanoparticles. However, there have been limited reports on the absorption of doped ZnO NPs, especially comparing the performance of ZnO NPs with different doping elements. Herein, ZnO NPs were doped with three transitional metals (Co, Fe, and Mn) at a nominal 2 wt.%. The particle surface had a higher dopant concentration than the interior for all NPs, implying the migration of the dopants to the surface. Because doping atoms inhibited grain growth, the doped ZnO NPs had a small particle size and a large surface area. The adsorption performance followed the order of Fe-doped undoped Mn-doped Co-doped ZnO. Co-doped ZnO had an increased surface area and less tendency to agglomerate in an aqueous solution, showing the best adsorption performance. The adsorption of Congo red (CR) on Co-doped ZnO followed the pseudo-second-order model and the Langmuir isotherm. The adsorption process was spontaneous through monolayer chemisorption, and the maximum adsorption capacity was 230 mg/g. Finally, the Co-doped ZnO was successfully incorporated into an alginate membrane by electrospinning. The membrane demonstrated excellent adsorption performance and had great potential as an innovative and low-cost adsorbent (inexpensive raw materials and simple processing) for wastewater purification.
Aqueous corrosion testing and neural network modeling to simulate corrosion of supercritical CO2 pipelines in the carbon capture and storage cycle
Publisher: Association for Materials Protection and Performance (AMPP)
Date: 05-2013
DOI: 10.5006/0807
Abstract: A database was constructed from tests in aqueous electrolytes simulating the damage that may occur to ferrous transport pipelines in the carbon capture and storage (CCS) process. Temperature and concentrations of carbonic acid (H2CO3), sulfuric acid (H2SO4), hydrochloric acid (HCl), nitric acid (HNO3), sodium nitrate (NaNO3), sodium sulfate (Na2SO4), and sodium chloride (NaCl) were varied the potentiodynamic polarization response, along with physical damage from exposure, was measured. Sensitivity analysis was conducted via generation of fuzzy curves, and a neural network model also was developed. A correlation between corrosion current (icorr) and exposure tests (measured in the form of weight and thickness loss) was observed however, the key outcome of the work is the presentation of a model that captures corrosion rate as a function of environments relevant to (CCS) pipeline, revealing the extent of the threat and the variables of interest.
AN ASSESSMENT OF A MICRO‐MECHANIC MODEL OF HYDROGEN‐INDUCED STRESS CORROSION CRACKING, BASED ON A STUDY OF AN X65 LINE PIPE STEEL
Publisher: Wiley
Date: 03-1994
A Review on the Catalytic Remediation of Dyes by Tailored Carbon Dots
Publisher: MDPI AG
Date: 03-05-2022
DOI: 10.3390/W14091456
Abstract: Water polluted with dyes has become a serious global concern during the twenty-first century, especially for developing countries. Such types of environmental contaminant pose a severe threat to bio ersity, ecosystems, and human health globally therefore, its treatment is an utmost requirement. Advanced technologies including the use of nanomaterials represent a promising water treatment technology with high efficiencies, low production costs, and green synthesis. Among the nanomaterials, carbon dots, as a new class of carbon-based nanoparticles, have attracted attention due to their unique features and advantages over other nanomaterials, which include high water solubility, easy fabrication and surface functionalisation, excellent electron-donating ability, and low toxicity. Such properties make carbon dots potential nanocatalysts for the Fenton-like degradation of environmental pollutants in water. Although recent studies show that carbon dots can successfully catalyse the degradation of dyes, there are still limited and controversial studies on the ecotoxicity and fate of these nanoparticles in the environment. In this review, the authors aim to summarise the recent research advances in water remediation by technologies using carbon dots, discuss important properties and factors for optimised catalytic remediation, and provide critical analysis of ecotoxicity issues and the environmental fate of these nanoparticles.
Core-shell quantum dots: Properties and applications
Publisher: Elsevier BV
Date: 07-2015
Experimental studies on dependence of surface temperatures of exposed metal plates on environmental parameters
Publisher: Informa UK Limited
Date: 12-2005
The science of pipe corrosion: A review of the literature on the corrosion of ferrous metals in soils
Publisher: Elsevier BV
Date: 03-2012
Cross-category prediction of corrosion inhibitor performance based on molecular graph structures via a three-level message passing neural network model
Publisher: Elsevier BV
Date: 12-2022
Incorporation of quantum carbon dots into a PVP/ZnO hydrogel for use as an effective hexavalent chromium sensing platform
Publisher: Elsevier BV
Date: 02-2020
DOI: 10.1016/J.ACA.2019.11.053
Abstract: Hydrogels offer a unique medium for sensing applications as they can draw upon the benefits of both solid and liquid sensing platforms. Incorporation of functionalised fluorescent nanoparticles within the hydrogel matrix results in a three-dimensional nanocomposite capable of interacting with water-soluble analytes, facilitating quantitative sensing applications. Here, we report the solvothermal synthesis of a novel Polyvinylpyrrolidone assembled hydrogel stabilised with zinc oxide quantum dots which does not require additional organic crosslinkers. Functionalization of these hydrogel with novel, brightly photoluminescent 2-amino-2-methyl-1-propanol quantum carbon dots (quantum yield of 62.5%) results in a composite capable of specific interaction with hexavalent chromium. Quantitative fluorescence quenching measurements of the hydrogel composite in the presence of hexavalent chromium shows a limit of detection of 1.2 μM Cr
Combined influence of Ce(III) and iodide ions for corrosion protection of AA 2024-T3 in acidic to neutral chloride-rich environments: Electrochemical and surface characterization studies
Publisher: Elsevier BV
Date: 02-2023
Enhancement of the corrosion properties of cold sprayed Ti–6Al–4V coatings on mild steel via silica sealer
Publisher: Wiley
Date: 14-09-2022
Abstract: The pore formation associated with the cold spray process requires the development of an economical sealer to enhance the corrosion resistance of Ti–6Al–4V coatings on a mild steel substrate. Herein, a sound method is developed to seal pores in the cold sprayed Ti–6Al–4V coatings with silica sealer. Potentiodynamic polarization tests in 3.5 wt% sodium chloride electrolyte were employed to investigate the corrosion resistance of cold sprayed Ti–6Al–4V coatings fabricated at two standoff distances (30 and 70 mm) before and after the sealing process. The polarization resistance of cold sprayed Ti–6Al–4V coatings significantly increased by % after the sealing process. The electrochemical responses of cold sprayed Ti–6Al–4V were dependant on sealing the pores with agglomerated silica nanoparticles as observed by scanning electron microscopy and energy‐dispersive X‐ray analysis. The increase in polarization resistance makes the sealer an effective treatment for cold sprayed Ti–6Al–4V coatings used in marine environments and other engineering applications. This sophisticated sealing process can reduce the deposition cost by reducing the thickness of Ti–6Al–4V coatings and increasing their lifetime on metal components.
The use of cerium and praseodymium mercaptoacetate as thiol-containing inhibitors for AA2024-T3
Publisher: Elsevier BV
Date: 04-2014
Rapid investigation expiry drug green corrosion inhibitor on mild steel in NaCl medium
Publisher: Elsevier BV
Date: 10-2019
The design and synthesis of fluorescent coumarin derivatives and their study for Cu2+ sensing with an application for aqueous soil extracts
Publisher: MDPI AG
Date: 02-10-2019
DOI: 10.3390/MOLECULES24193569
Abstract: A series of fluorescent coumarin derivatives 2a–e were systematically designed, synthesized and studied for their Cu2+ sensing performance in aqueous media. The sensitivities and selectivities of the on-to-off fluorescent Cu2+ sensing signal were in direct correlation with the relative arrangements of the heteroatoms within the coordinating moieties of these coumarins. Probes 2b and 2d exhibited Cu2+ concentration dependent and selective fluorescence quenching, with linear ranges of 0–80 μM and 0–10 μM, and limits of detection of 0.14 μM and 0.38 μM, respectively. Structural changes of 2b upon Cu2+ coordination were followed by fluorescence titration, attenuated total reflection Fourier transform infrared spectroscopy (ATR-FTIR), mass spectrometry, and single crystal X-ray diffraction on the isolated Cu2+-coumarin complex. The results revealed a 1:1 stoichiometry between 2b and Cu2+, and that the essential structural features for Cu2+-selective coordination are the coumarin C=O and a three-bond distance between the amide NH and heterocyclic N. Probe 2b was also used to determine copper (II) levels in aqueous soil extracts, with recovery rates over 80% when compared to the standard soil analysis method: inductively coupled plasma-mass spectrometry (ICP-MS).
Experimental and computational studies of a graphene oxide barrier layer covalently functionalized with amino acids on Mg AZ13 alloy in salt medium
Publisher: Royal Society of Chemistry (RSC)
Date: 2019
DOI: 10.1039/C9RA06549K
Abstract: Leucine functionalized graphene oxide chemisorbed on a 111 surface AZ13 magnesium alloy via edge functional groups.
Photoluminescence enhancement of carbon dots by gold nanoparticles conjugated via PAMAM dendrimers
Publisher: Royal Society of Chemistry (RSC)
Date: 2013
DOI: 10.1039/C3NR02527F
Abstract: Carbon dots (CDs) have many fascinating fluorescent properties, however, their low quantum yield limits their applications. In this study, the photoluminescence (PL) of CDs in the vicinity of gold nanoparticles (Au NPs) is enhanced significantly due to the surface plasmon resonance (SPR) of the Au NPs. This is achieved by conjugating Au NPs and CDs to dendrimers (PAMAM) through an amidation reaction, resulting in the formation of the Au-PAMAM-CD conjugates. The maximum 62-fold enhancement was obtained with an optimized molar ratio between Au NPs, PAMAM, and CDs. In this process, PAMAM, which serves as a spacer, can keep Au NPs and CDs at an appropriate distance for PL enhancement. The adjustment of the amount of Au NPs or CDs linked to PAMAM can induce the optimum PL enhancement. This strategy can be easily applied to different metal-space-fluorophore systems to enhance the fluorescence of fluorophores.
Using high throughput experimental data and in silico models to discover alternatives to toxic chromate corrosion inhibitors
Publisher: Elsevier BV
Date: 05-2016
Corrosion resistance of itaconic acid doped polyaniline /nanographene oxide composite coating
Publisher: IOP Publishing
Date: 24-04-2020
Tuning the sub-processes in laser reduction of graphene oxide by adjusting the power and scanning speed of laser
Publisher: Elsevier BV
Date: 2019
Holistic model for atmospheric corrosion Part 3 - Effect of natural and man made landforms on deposition of marine salts in Australia and south-east Asia
Publisher: Informa UK Limited
Date: 12-2003
The protective nature of passivation films on zinc: Surface charge
Publisher: Elsevier BV
Date: 09-2004
The protective nature of passivation films on zinc: Wetting and surface energy
Publisher: Elsevier BV
Date: 09-2004
In-situ synthesis of functional silica nanoparticles for enhancement the corrosion resistance of TBCs
Publisher: Elsevier BV
Date: 06-2013
Modelling aerosol deposition rates on aircraft and implications for pollutant accumulation and corrosion
Publisher: Informa UK Limited
Date: 10-2009
A review of the parameter-signature-quality correlations through in situ sensing in laser metal additive manufacturing
Publisher: Springer Science and Business Media LLC
Date: 05-12-2023
Frequency and duration of wetness periods on surfaces in airframes
Publisher: Informa UK Limited
Date: 11-2012
Influences of Porosity on the In-Vitro Cell Responses of Cold Sprayed Ti-Ta Composites
Publisher: Springer Singapore
Date: 22-08-2022
Towards the development of a corrosion map for Abu Dhabi
Publisher: Wiley
Date: 16-12-2011
Holistic model for atmospheric corrosion part 4 - Geographic information system for predicting airborne salinity
Publisher: Informa UK Limited
Date: 03-2004
Chapter 3 Holistic Modeling of Gas and Aerosol Deposition and the Degradation of Cultural Objects
Publisher: Elsevier
Date: 2007
Multiscale modelling of the corrosion of metals under atmospheric corrosion
Publisher: Elsevier BV
Date: 2011
Evaluation of novel Griess-reagent candidates for nitrite sensing in aqueous media identified via molecular fingerprint searching
Publisher: Royal Society of Chemistry (RSC)
Date: 2019
DOI: 10.1039/C8RA07656A
Abstract: Novel Griess reagents were identified using molecular fingerprint searching and rapid experimental evaluation for the detection of nitrite in aqueous media.
Designing molecular protection: New paradigm for developing corrosion resistant materials uniting high throughput studies, multiscale modelling and self-repair
Publisher: Informa UK Limited
Date: 05-12-2014
Quorum sensing inhibitors applications: A new prospect for mitigation of microbiologically influenced corrosion
Publisher: Elsevier BV
Date: 06-2022
DOI: 10.1016/J.BIOELECHEM.2022.108050
Abstract: Quorum sensing (QS) is a process of bacterial communication that involves the use of biochemical signals and adjusts the expression of specific genes as a response to the bacterial cell density within an environment. This process is employed by both Gram-positive and Gram-negative bacteria to regulate different physiological functions. In both cases, QS involves production, detection and responses to signalling chemicals, termed auto-inducers. Expression of virulence factors and formation of biofilms are the typical processes controlled by QS, which, therefore, inspires the exploration of QS as a plausible solution to mitigating the increasing microbial resistance to antibiotics. QS inhibitors (QSIs) from different origins have been recognised as a promising solution to biofilm related challenges in a large variety of applications. Though QSIs have demonstrated some strength in tackling biofouling, a key focus in the literature on QSIs based strategies has been to control microbially influenced corrosion. This article reviews the principles of QS, its mechanistic roles in biofilm formation and the feasibility of QSIs to mitigate biofilm related challenges in a number of commercial applications. The potential of QSIs in microbially influenced corrosion for future applications is also discussed.
Sandwich-structured TiO2 inverse opal circulates slow photons for tremendous improvement in solar energy conversion efficiency
Publisher: Royal Society of Chemistry (RSC)
Date: 2017
DOI: 10.1039/C7TA01703K
Abstract: Slow photon circulation in a sandwich-structured TiO 2 inverse opal results in tremendously improved photon absorption.
Use of aqueous solutions to simulate supercritical CO2 corrosion
Publisher: Association for Materials Protection and Performance (AMPP)
Date: 04-2012
Corrosion inhibition on mild steel by phosphonium salts in 1 M HNO3 aqueous medium
Publisher: Elsevier BV
Date: 03-2017
A SUMMARY REPORT OF AN ESIS WORKING PARTY ON FRACTURE CONTROL GUIDELINES FOR ENVIRONMENTALLY ASSISTED CRACKING OF LOW ALLOY STEELS
Publisher: Wiley
Date: 06-1993
Development of a sensor-based learning approach to prognostics in intelligent vehicle health monitoring
Publisher: IEEE
Date: 10-2008
Permanganate, Molybdate and Vanadate Conversion Coatings
Publisher: Springer International Publishing
Date: 2022
Correlation between molecular features and electrochemical properties using an artificial neural network
Publisher: Elsevier BV
Date: 12-2016
Molecular ionization and deprotonation energies as indicators of functional coating performance
Publisher: Royal Society of Chemistry (RSC)
Date: 27-08-2014
DOI: 10.1039/C4TA03414G
Smart suture with iodine contrasting nanoparticles for computed tomography
Publisher: Elsevier BV
Date: 2023
Experimental and DFT studies on the ultrasonic energy-assisted extraction of the phytochemicals of: Catharanthus roseus as green corrosion inhibitors for mild steel in NaCl medium
Publisher: Royal Society of Chemistry (RSC)
Date: 2020
DOI: 10.1039/C9RA08971C
Abstract: C. roseus phytochemicals are physisorbed on the 111 Fe surface, and the oxygen non-bonding electron chemisorbed on the polarized state 111 Fe surface.
Experimental and DFT studies of selenium decorated graphene oxide: Redox stability, cytotoxicity, and corrosion inhibition of AZ13 Mg alloy
Publisher: Elsevier BV
Date: 12-2022
Peridynamics for predicting pit-to-crack transition
Publisher: American Institute of Aeronautics and Astronautics
Date: 05-01-2017
DOI: 10.2514/6.2017-0568
Effect of inhalation on oropharynx collapse via flow visualisation
Publisher: Elsevier BV
Date: 03-2021
Investigation of the microstructure of an aqueously corroded zinc wire by data-constrained modelling with multi-energy X-ray CT
Publisher: Wiley
Date: 07-12-2013
Corrosion under a porous layer: A porous electrode model and its implications for self-repair
Publisher: Elsevier BV
Date: 10-2011
A study of the wetting of metal surfaces in order to understand the processes controlling atmospheric corrosion
Publisher: The Electrochemical Society
Date: 2004
DOI: 10.1149/1.1809596
Microbiologically influenced corrosion: A review of the studies conducted on buried pipelines
Publisher: Walter de Gruyter GmbH
Date: 06-2020
DOI: 10.1515/CORRREV-2019-0108
Abstract: Buried pipelines are essential for the delivery of potable water around the world. A key cause of leaks and bursts in these pipelines, particularly those fabricated from carbon steel, is the accelerated localized corrosion due to the influence of microbes in soil. Here, studies conducted on soil corrosion of pipelines' external surface both in the field and the laboratory are reviewed with a focus on scientific approaches, particularly the techniques used to determine the action and contribution of microbiologically influenced corrosion (MIC). The review encompasses water pipeline studies, as well as oil and gas pipeline studies with similar corrosion mechanisms but significantly higher risks of failure. Significant insight into how MIC progresses in soil has been obtained. However, several limitations to the current breadth of studies are raised. Suggestions based on techniques from other fields of work are made for future research, including the need for a more systematic methodology for such studies.
A preliminary investigation into airborne salinity adjacent to and within the envelope of Australian houses
Publisher: Elsevier BV
Date: 04-1996
Development of a system for corrosion diagnostics and prognostics
Publisher: Walter de Gruyter GmbH
Date: 04-2007
Adoption and Diffusion of Disruptive Technologies: The Case of Additive Manufacturing in Medical Technology Industry in Australia
Publisher: Elsevier BV
Date: 2020
Embedded magnetic nanoparticle sensors for monitoring primer failure beneath paint
Publisher: Elsevier BV
Date: 04-2015
Contributions of Ti-X%Ta Cold Spray Composite Interface to In-Vitro Cell Growth
Publisher: Elsevier BV
Date: 2022
DOI: 10.2139/SSRN.4040034
Holistic model for atmospheric corrosion part 5 - Factors controlling deposition of salt aerosol on candles, plates and buildings
Publisher: Informa UK Limited
Date: 06-2004
In situ monitoring of build height during powder-based laser metal deposition
Publisher: Springer Science and Business Media LLC
Date: 16-09-2022
DOI: 10.1007/S00170-022-10145-Y
Abstract: A powder-based laser metal deposition (LMD) system can fabricate customised three-dimensional (3D) parts, layer by layer, based upon a computer-aided design (CAD) model. However, the deposition will not always feature the expected geometry due to excessive heat input and inconsistent powder flow. Due to the layer-by-layer nature of LMD, geometrical error in one layer is compounded in all following layers and may result in a build failure. Thus, it is critical to monitor online the track and layer height. This study developed an in situ monitoring system integrating a webcam and a narrow bandpass filter. The laser owder defocus distance was extracted from the melt pool images, and the track/layer height was calculated from the laser owder defocusing distance and preprogrammed layer spacing. The presented approach does not need additional illumination sources and is a nonintrusive online method. Therefore, it is a potential precursor to a feedback build height control system. It also can be used for measuring omnidirectional height, i.e. height in different build directions relative to the substrate, which has been tested by fabricating two thin-wall structures with customised shapes. These online-measured height data were successfully validated against dimensional measurements from an offline 3D scanner, thus demonstrating the online system’s potential utility in a feedback control system for ensuring acceptable part geometrical accuracy.
Experimental and DFT studies of gadolinium decorated graphene oxide materials for their redox properties and as a corrosion inhibition barrier layer on Mg AZ13 alloy in a 3.5% NaCl environment
Publisher: Royal Society of Chemistry (RSC)
Date: 2021
DOI: 10.1039/D1RA03495B
Abstract: Gadolinium electrostatically interacts with the epoxy group of graphene oxide. Non-bonding electrons of graphene oxide enhance electron transfer between the polarized metal alloy surface and product alloy surface from the corrosive medium.
The cost and availability of rare earth-based corrosion inhibitors
Publisher: Elsevier
Date: 2014
Photoluminescence measurements of carbon quantum dots within three-dimensional hydrogel matrices using a high throughput 96 well plate method
Publisher: Elsevier BV
Date: 2019
Patterned films from exfoliated two-dimensional transition metal dichalcogenides assembled at a liquid-liquid interface
Publisher: Royal Society of Chemistry (RSC)
Date: 2017
DOI: 10.1039/C7TC01883E
Abstract: We present a facile method for controlled and patterned deposition of large area films made of exfoliated transition metal dichalcogenides.
Towards multiscale modelling of localized corrosion
Publisher: Informa UK Limited
Date: 19-12-2014
Critical review on the passive film formation and breakdown on iron electrode and the models for the mechanisms underlying passivity
Publisher: Elsevier BV
Date: 2017
Samarium functionalized few-layer nano graphene oxide redox behavior, cytotoxicity and corrosion inhibition on Mg AZ31 alloy in 3.5% NaCl environment
Publisher: Elsevier BV
Date: 12-2023
Carbon Dot Therapeutic Platforms: Administration, Distribution, Metabolism, Excretion, Toxicity, and Therapeutic Potential
Publisher: Wiley
Date: 27-01-2022
Abstract: Ultrasmall nanoparticles are often grouped under the broad umbrella term of “nanoparticles” when reported in the literature. However, for biomedical applications, their small sizes give them intimate interactions with biological species and endow them with unique functional physiochemical properties. Carbon quantum dots (CQDs) are an emerging class of ultrasmall nanoparticles which have demonstrated considerable biocompatibility and have been employed as potent theragnostic platforms. These particles find application for increasing drug solubility and targeting, along with facilitating the passage of drugs across impermeable membranes (i.e., blood brain barrier). Further functionality can be triggered by various environmental conditions or external stimuli (i.e., pH, temperature, near Infrared (NIR) light, ultrasound), and their intrinsic fluorescence is valuable for diagnostic applications. The focus of this review is to shed light on the therapeutic potential of CQDs and identify how they travel through the body, reach their site of action, administer therapeutic effect, and are excreted. Investigation into their toxicity and compatibility with larger nanoparticle carriers is also examined. The future of CQDs for theragnostic applications is promising due to their multifunctional attributes and documented biocompatibility. As nanomaterial platforms become more commonplace in clinical treatments, the commercialization of CQD therapeutics is anticipated.
Fluorescent heavy metal cation sensing with water dispersible 2MPA capped CdSe/ZnS quantum dots
Publisher: Elsevier BV
Date: 10-2015
Investigating the effect of water content in supercritical CO2 as relevant to the corrosion of Carbon capture and storage pipelines
Publisher: Association for Materials Protection and Performance (AMPP)
Date: 22-08-2014
DOI: 10.5006/0944
Abstract: Steel coupons were exposed to a supercritical carbon dioxide (CO2) environment in which water contamination was deliberately added over the range from 100 ppmw to 50,000 ppmw. Exposure was carried out in a laboratory scale autoclave at 8 MPa and 40°C for 7 days. Contaminant water in CO2 permits the speciation of carbonic acid (H2CO3), which can itself be a threat to durability, but also permit further contaminants to segregate to the aqueous acid phase. A systematic investigation of corrosion in supercritical CO2 over a range of water concentrations is lacking in the literature, despite being a significant elementary issue. Herein, weight-loss tests were performed, and subsequent scanning electron microscopy suggested all specimens displayed some extent of corrosion. The main corrosion mechanism observed was uniform corrosion. Supplementary optical profilometry suggested that water concentration has a small effect on any pitting corrosion that occurred. In general, increased mass loss was observed with an increase in water concentration beyond ~1,000 ppmw H2O, concomitant with a rate of change in the H2CO3 concentration.
A comparative study of cell growth on a cold sprayed Ti–Ta composite
Publisher: Elsevier BV
Date: 06-2020
Remediation of groundwater contaminated with dye using carbon dots technology: Ecotoxicological and microbial community responses
Publisher: Elsevier BV
Date: 10-2022
DOI: 10.1016/J.JENVMAN.2022.115634
Abstract: Groundwater pollution poses a serious threat to the main source of clean water globally. Nanoparticles have the potential for remediation of polluted aquifers however, environmental safety concerns associated with in situ deployments of such technology include potential detrimental effects on microorganisms in terms of toxicity and functional disruptions. In this work, we evaluated a new and ecofriendly approach using carbon dots (CDs) as Fenton-like catalysts to catalyse the degradation of dye-containing groundwater s les. This investigation aimed at evaluating the efficacy of a novel remediation technology in terms of dye degradation and toxicity reduction while assessing its impacts on aquatic microorganisms. Uncontaminated Australian groundwater s les were spiked with methylene blue and incubated in the dark, at 18 °C, under slow agitation, using CDs at 0.5 mg mL
Synthesis of copper-tin nanoparticles from old computer printed circuit boards
Publisher: Elsevier BV
Date: 2017
Experimental and DFT studies of porous carbon covalently functionalized by polyaniline as a corrosion inhibition barrier on nickel-based alloys in acidic media
Publisher: Royal Society of Chemistry (RSC)
Date: 2020
DOI: 10.1039/D0RA00593B
Abstract: Polyaniline functionalized fish scale carbon chemisorption on 111 nickel alloy surface by polyaniline polaron nitrogen free electron.
Recent Progress in Modelling Atmospheric Corrosion
Publisher: Walter de Gruyter GmbH
Date: 08-2002
Synergistically and Sustainably Performed Inhibitors for Galvanised Steel Against Aqueous Corrosion
Publisher: Elsevier BV
Date: 04-2022
In-depth insights of inhibitory behaviour of 2-amino-4-methylthiazole towards galvanised steel in neutral NaCl solution
Publisher: Elsevier BV
Date: 05-2022
Nondestructive quantitative characterisation of material phases in metal additive manufacturing using multi-energy synchrotron X-rays microtomography
Publisher: Springer Science and Business Media LLC
Date: 10-12-2020
DOI: 10.1007/S00170-019-04597-Y
Abstract: Metal additive manufacturing (MAM) has found emerging application in the aerospace, biomedical and defence industries. However, the lack of reproducibility and quality issues are regarded as the two main drawbacks to AM. Both of these aspects are affected by the distribution of defects (e.g. pores) in the AM part. Computed tomography (CT) allows the determination of defect sizes, shapes and locations, which are all important aspects for the mechanical properties of the final part. In this paper, data-constrained modelling (DCM) with multi-energy synchrotron X-rays is employed to characterise the distribution of defects in 316L stainless steel specimens manufactured with laser metal deposition (LMD). It is shown that DCM offers a more reliable method to the determination of defect levels when compared to traditional segmentation techniques through the calculation of multiple volume fractions inside a voxel, i.e. by providing sub-voxel information. The results indicate that the s les are dominated by a high number of small light constituents (including pores) that would not be detected under the voxel size in the majority of studies reported in the literature using conventional thresholding methods.
Mn-Mg based zinc phosphate and vanadate for corrosion inhibition of steel pipelines transport of CO2 rich fluids
Publisher: Elsevier BV
Date: 03-2012
Attachment efficiencies of salt aerosols onto infrastructure and implications for atmospheric corrosion
Publisher: The Electrochemical Society
Date: 2005
DOI: 10.1149/1.1859813
Cu-based Fe phosphate coating and its application in CO2 pipelines
Publisher: Elsevier BV
Date: 08-2013
The effect of cathodic protection potential on corrosion fatigue crack growth rate of an offshore structural steel
Publisher: Wiley
Date: 08-1996
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End Date: 03-2016
Amount: $350,000.00
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View Funded ActivityLinkage Infrastructure, Equipment And Facilities - Grant ID: LE0231228
Start Date: 2001
End Date: 12-2001
Amount: $500,000.00
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View Funded ActivitySpecial Research Initiatives - Grant ID: SR0354467
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View Funded ActivityIndustrial Transformation Training Centres - Grant ID: IC180100005
Start Date: 03-2019
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