ORCID Profile
0000-0002-7727-6676
Current Organisation
Deakin University
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Materials engineering not elsewhere classified | Materials engineering | Separation technologies | Functional materials
Publisher: Elsevier BV
Date: 06-2021
Publisher: Elsevier BV
Date: 06-2015
Publisher: Elsevier BV
Date: 04-2018
Publisher: Elsevier BV
Date: 02-2015
Publisher: American Chemical Society (ACS)
Date: 08-01-2018
Publisher: American Chemical Society (ACS)
Date: 23-02-2021
DOI: 10.26434/CHEMRXIV.14094903
Abstract: In this study, a general quantitative structure-property relationship (QSPR) protocol, fragments based graph convolutional neural network (F-GCN), was developed for atomic and inter-atomic properties predictions. We applied this novel artificial intelligence (AI) tool in NMR chemical shifts and bond dissociation energies (BDEs) predictions. The predicted results were comparable to experimental measurement, while the computational cost was substantially reduced, with respect to pure density functional theory (DFT) calculations. The two important features of F-GCN can be summarised as: first, it could utilise different levels of molecular fragments centered at the target chemical bonds for atomic and inter-atomic information extraction second, the designed architecture is also open to include additional descriptors for more accurate solution of chemical environment, making itself more efficient for local properties descriptions. And during our test, the averaged prediction error of sup /sup H NMR chemical shifts can be as small as 0.32 ppm and the error of C-H BDEs estimations, is 2.7 kcal/mol. Moreover, we further demonstrated the applicability of this developed F-GCN model via several challenging structural assignments. The success of the F-GCN in atomic and inter-atomic predictions also indicates an essential improvement of computational chemistry with the assistance of AI tools.
Publisher: American Chemical Society (ACS)
Date: 04-12-2019
Publisher: Elsevier BV
Date: 08-2019
Publisher: Elsevier BV
Date: 03-2020
Publisher: Elsevier BV
Date: 03-2019
Publisher: Elsevier BV
Date: 2015
Publisher: Elsevier BV
Date: 11-2014
Publisher: Elsevier BV
Date: 10-2023
Publisher: Royal Society of Chemistry (RSC)
Date: 2021
DOI: 10.1039/D1CP00677K
Abstract: This study proposed a fragment-based graph convolutional neural network (F-GCN) that can predict atomic and inter-atomic properties and is suitable for few-shot learning.
Publisher: Elsevier BV
Date: 10-2022
Publisher: American Chemical Society (ACS)
Date: 25-09-2019
Publisher: American Chemical Society (ACS)
Date: 17-09-2020
Publisher: Elsevier BV
Date: 10-2023
Publisher: Wiley
Date: 11-10-2017
DOI: 10.1002/APP.45832
Publisher: Elsevier BV
Date: 03-2020
Publisher: Wiley
Date: 27-09-2018
Publisher: Wiley
Date: 12-2007
Publisher: Elsevier BV
Date: 04-2016
Publisher: Elsevier BV
Date: 02-2021
Publisher: Elsevier BV
Date: 05-2019
Publisher: Elsevier BV
Date: 02-2022
Publisher: Elsevier BV
Date: 08-2020
Publisher: Elsevier BV
Date: 11-2021
Publisher: Elsevier BV
Date: 08-2021
Publisher: Elsevier BV
Date: 2012
Publisher: Elsevier BV
Date: 04-2023
Publisher: Elsevier BV
Date: 10-2021
Publisher: American Chemical Society (ACS)
Date: 24-05-2022
Abstract: Membrane surface fouling is often reversible as it can be mitigated by enhancing the crossflow shear force. However, membrane internal fouling is often irreversible and thus more challenging. In this study, we developed a new superhydrophilic poly(vinylidene fluoride) (P-PVDF) membrane confined with nano-Fe
Publisher: Elsevier BV
Date: 10-2021
Publisher: American Chemical Society (ACS)
Date: 07-02-2020
Publisher: Elsevier BV
Date: 03-2021
Publisher: Wiley
Date: 17-07-2020
Publisher: No publisher found
Date: 2011
Publisher: Elsevier BV
Date: 04-2012
Publisher: Elsevier BV
Date: 2020
Publisher: Elsevier BV
Date: 2018
Publisher: Elsevier BV
Date: 07-2022
Publisher: MDPI AG
Date: 17-03-2022
Abstract: On the catalyst surface, crystal facets with different surface atom arrangements and erse physicochemical properties lead to distinct catalytic activity. Acquiring a highly reactive facet through surface regulation is an efficient strategy to promote the oxidative decomposition of wastewater organic pollutants via peroxymonosulfate (PMS) activation. However, the mechanism through which crystal facets affect PMS activation is still unclear. In this study, three facet-engineered α-MnO2 with different exposed facets were prepared via a facile hydrothermal route. The prepared 310-MnO2 exhibited superior PMS activation performance to 100-MnO2 and 110-MnO2. Moreover, the 310-MnO2/PMS oxidative system was active over a wide pH range and highly resistant to interfering substances from wastewater. These advantages of the 310-MnO2/PMS system make it highly promising for practical wastewater treatment. Based on quenching experiments, electron paramagnetic resonance (EPR) analysis, solvent exchange, and electrochemical measurements, mediated electron transfer was found to be the dominant nonradical pathway for p-chloroaniline (PCA) degradation. A sulfhydryl group (-SH) masking experiment showed that the highly exposed Mn atoms on the 310-MnO2 surface were sites of PMS activation. In addition, density functional theory (DFT) calculations confirmed that the dominant {310} facet promoted adsorption/activation of PMS, which favored the formation of more metastable complexes on the α-MnO2 surface. The reaction mechanism obtained here clarifies the relationship between PMS activation and crystal facets. This study provides significant insights into the rational design of high-performance catalysts for efficient water remediation.
Publisher: Elsevier BV
Date: 09-2023
Publisher: Elsevier BV
Date: 04-2018
DOI: 10.1016/J.JCIS.2018.01.026
Abstract: We use activated carbon (AC) and titanium oxide (TiO
Publisher: Elsevier BV
Date: 08-2018
Publisher: American Chemical Society (ACS)
Date: 17-08-2018
Abstract: Use of tight ultrafiltration (UF) membranes has created a new pathway in fractionation of dye/salt mixtures from textile wastewater for sustainable resource recovery. Unexpectedly, a consistently high rejection for the dyes with smaller sizes related to the pore sizes of tight UF membranes is yielded. The potential mechanism involved in this puzzle remains unclear. In this study, seven tailored UF membranes with molecular weight cut-offs (MWCOs) from 6050 to 17530 Da were applied to separate dye/salt mixtures. These UF membranes allowed a complete transfer for NaCl and Na
Publisher: Cold Spring Harbor Laboratory
Date: 07-10-2022
DOI: 10.1101/2022.10.06.510603
Abstract: Assisted reproductive technologies (ART) may perturb DNA methylation (DNAm) in early embryonic development. Although a handful of epigenome-wide association studies of ART have been published, none have investigated CpGs on the X chromosome. To bridge this knowledge gap, we leveraged one of the largest collections of mother-father-newborn trios of ART and non-ART (natural) conceptions to date to investigate DNAm differences on the X chromosome. The discovery cohort consisted of 982 ART and 963 non-ART trios from the Norwegian Mother, Father, and Child Cohort Study (MoBa). The replication cohort consisted of 149 ART and 58 non-ART neonates from the Australian “Clinical review of the Health of adults conceived following Assisted Reproductive Technologies” (CHART) study. The Illumina EPIC array was used to measure DNA methylation (DNAm) in both datasets. In the MoBa cohort, we performed a set of X-chromosome-wide association studies (“XWASs” hereafter) to search for sex-specific DNAm differences between ART and non-ART newborns. We tested several models to investigate the influence of various confounders, including parental DNAm. We also searched for differentially methylated regions (DMRs) and regions of co-methylation flanking the most significant CpGs. For replication purposes, we ran an analogous model to our main model on the CHART dataset. In the MoBa cohort, we found more differentially methylated CpGs and DMRs in girls than boys. Most of the associations persisted even after controlling for parental DNAm and other confounders. Many of the significant CpGs and DMRs were in gene-promoter regions, and several of the genes linked to these CpGs are expressed in tissues relevant for both ART and sex (testis, placenta, and fallopian tube). We found no support for parental infertility as an explanation for the observed associations in the newborns. The most significant CpG in the boys-only analysis was in UBE2DNL , which is expressed in testes but with unknown function. The most significant CpGs in the girls-only analysis were in EIF2S3 and AMOT . These three loci also displayed differential DNAm in the CHART cohort. Overall, genes that co-localized with the significant CpGs and DMRs are implicated in several key biological processes (e.g., neurodevelopment) and disorders (e.g., intellectual disability and autism. These connections are particularly compelling in light of previous findings indicating that neurodevelopmental outcomes differ in ART-conceived children compared to naturally-conceived.
Publisher: Elsevier BV
Date: 2012
Publisher: Elsevier BV
Date: 06-2019
Publisher: Elsevier BV
Date: 11-2018
Publisher: BMJ
Date: 14-05-2018
DOI: 10.1136/BJSPORTS-2017-098540
Abstract: Recent evidence suggests the existence of a physical activity paradox, with beneficial health outcomes associated with leisure time physical activity, but detrimental health outcomes for those engaging in high level occupational physical activity. This is the first quantitative systematic review of evidence regarding the association between occupational physical activity and all-cause mortality. Systematic review with meta-analysis. A literature search was performed in electronic databases PubMed, Embase, CINAHL, PsycINFO and Cochrane. We screened for peer reviewed articles from prospective studies assessing the association of occupational physical activity with all-cause mortality. A meta-analysis assessed the association of high (compared with low) level occupational physical activity with all-cause mortality, estimating pooled hazard ratios (HR) (with 95% CI). 2490 unique articles were screened and 33 (from 26 studies) were included. Data from 17 studies (with 193 696 participants) were used in a meta-analysis, showing that men with high level occupational physical activity had an 18% increased risk of early mortality compared with those engaging in low level occupational physical activity (HR 1.18, 95% CI 1.05 to 1.34). No such association was observed among women, for whom instead a tendency for an inverse association was found (HR 0.90, 95% CI 0.80 to 1.01). The results of this review indicate detrimental health consequences associated with high level occupational physical activity in men, even when adjusting for relevant factors (such as leisure time physical activity). These findings suggest that research and physical activity guidelines may differentiate between occupational and leisure time physical activity.
Publisher: Royal Society of Chemistry (RSC)
Date: 2019
DOI: 10.1039/C9EN00692C
Abstract: NF membranes functionalized through bio-deposition of g-C 3 N 4 nanosheets have enhanced water permeability, dye retention and salt transmission, showing great potential for sustainable treatment of highly saline textile wastewater.
Publisher: Elsevier BV
Date: 06-2018
Publisher: Wiley
Date: 30-11-2018
DOI: 10.1002/JCTB.5856
Publisher: Elsevier BV
Date: 07-2023
Publisher: Elsevier BV
Date: 02-2013
Publisher: Elsevier BV
Date: 08-2017
Publisher: Springer Science and Business Media LLC
Date: 03-08-2023
DOI: 10.1038/S44221-023-00113-5
Abstract: A key to sustainable management of saline organic-rich wastewaters is to precisely fractionate organic components and inorganic salts (NaCl) as in idual resources. Conventional nanofiltration and electrodialysis processes suffer from membrane fouling and compromise the fractionation efficacy. Here we develop a thin-film composite nanoporous membrane via co-deposition of dopamine and polyethyleneimine as a highly anion-conducting membrane. Experimental results and molecular dynamics simulations show that co-deposition of dopamine and polyethyleneimine effectively tailors the membrane surface properties, intensifying the charge shielding effect and enabling fast anion transfer for highly efficient electrodialysis. The resulting nanoporous membrane exhibits unprecedented electrodialytic fractionation of organics and NaCl with negligible membrane fouling, dramatically outperforming state-of-the-art anion exchange membranes. Our study sheds light on facile design of high-performance anion-conducting membranes and associated new mass transport mechanisms in electrodialytic separation, paving the way for sustainable management of complex waste streams.
Publisher: Elsevier BV
Date: 09-2018
Publisher: Elsevier BV
Date: 05-2023
Publisher: Elsevier BV
Date: 10-2023
Publisher: Elsevier BV
Date: 04-2017
Publisher: Elsevier BV
Date: 05-2020
Publisher: Elsevier BV
Date: 2015
Publisher: American Chemical Society (ACS)
Date: 17-11-2022
Publisher: Elsevier BV
Date: 09-2011
Publisher: American Chemical Society (ACS)
Date: 07-01-2019
Publisher: Elsevier BV
Date: 06-2019
DOI: 10.1016/J.WATRES.2019.02.060
Abstract: The hybrid membrane bioreactor - nanofiltration treatment process can be an effective approach for treating the landfill leachate, but the residual leachate concentrate highly loaded with the humic substance and salts remains an environmental concern. Herein, a loose nanofiltration membrane (molecular weight cut-off of 860 Da) was used to recover the humic substance, which can act as a key component of organic fertilizer, from the leachate concentrate. The loose nanofiltration membrane showed the high permeation fluxes and high transmissions (>94.7%) for most inorganic ions (i.e., Na
Publisher: Elsevier BV
Date: 05-2023
Publisher: Elsevier BV
Date: 10-2021
Publisher: Elsevier BV
Date: 12-2018
Publisher: Elsevier BV
Date: 07-2022
Publisher: Elsevier BV
Date: 2018
Publisher: Elsevier BV
Date: 05-2018
Publisher: Elsevier BV
Date: 06-2022
Publisher: Elsevier BV
Date: 03-2018
DOI: 10.1016/J.JCIS.2018.01.002
Abstract: Arsenic-contaminated water has significant adverse impacts on human health and ecosystems. We developed a new adsorptive membrane by modifying the porous support layer of a phase inversion formed membrane for arsenic removal. Iron oxide (Fe
Publisher: American Chemical Society (ACS)
Date: 18-07-2017
Abstract: We propose and demonstrate a novel system for simultaneous ammonia recovery, carbon capture, biogas upgrading, and fertilizer production in biogas production. Biogas slurry pretreatment (adjusting the solution pH, turbidity, and chemical oxygen demand) plays an important role in the system as it significantly affects the performance of ammonia recovery. Vacuum membrane distillation is used to recover ammonia from biogas slurry at various conditions. The ammonia removal efficiency in vacuum membrane distillation is around 75% regardless of the ammonia concentration of the biogas slurry. The recovered ammonia is used for CO
Publisher: Elsevier BV
Date: 10-2011
Publisher: Elsevier BV
Date: 11-2017
Publisher: American Chemical Society (ACS)
Date: 19-03-2014
DOI: 10.1021/ES5006994
Publisher: Elsevier BV
Date: 05-2015
Publisher: MDPI AG
Date: 29-10-2022
Abstract: Thermally conductive polyvinylidene fluoride (PVDF) composites were prepared by incorporating carbon fibers (CFs) with different lengths (286.6 ± 7.1 and 150.0 ± 2.3 µm) via cold pressing, followed by sintering. The length effects of the CF on the thermal conductivity, polymer crystallization behaviors, and mechanical properties of the PVDF composites were studied. The through-plane thermal conductivity of the PVDF composites increased significantly with the rise in CF loadings. The highest thermal conductivity of 2.89 W/(m∙K) was achieved for the PVDF composites containing 40 wt.% shorter CFs, ~17 times higher than that of the pure PVDF (~0.17 W/(m∙K)). The shorter CFs had more pronounced thermal conductive enhancement effects than the original longer CFs at higher filler loadings. CFs increased the storage modulus and the glass transition temperature of the PVDF. This work provides a new way to develop thermally conductive, mechanically, and chemically stable polymer composites by introducing CFs with different lengths.
Publisher: Elsevier BV
Date: 06-2022
Publisher: Elsevier BV
Date: 06-2020
Publisher: Elsevier BV
Date: 11-2018
Publisher: Elsevier BV
Date: 11-2021
Publisher: Elsevier BV
Date: 08-2021
Publisher: Elsevier BV
Date: 09-2018
Publisher: Elsevier BV
Date: 11-2017
Publisher: Elsevier BV
Date: 07-2014
Publisher: MDPI AG
Date: 09-2018
DOI: 10.3390/PR6090151
Abstract: The degradation and detachment of the polyamide (PA) layer for the conventional thin-film composite (TFC) membranes due to chemical disinfectants cleaning with chlorine and material difference of PA layer and substrate are two major bottlenecks of forward osmosis (FO) technology. In this study, a new type of FO membranes was first prepared by controlling dopamine (DA) as the sole amine in the aqueous phase and the reaction with trimesoyl chloride (TMC) as the acyl chloride during interfacial polymerization (IP) process. The influence of membrane synthesis parameters such as monomer concentration, pH of the aqueous phase, IP reaction time and IP temperature were systematically investigated. The optimized membrane showed both improved structure stability and chlorine resistance, more so than the conventional TFC membrane. In general, novel DA/TMC TFC membranes could be an effective strategy to synthesize high-performance FO membranes with excellent structural stability and chlorine resistance.
Publisher: Elsevier BV
Date: 04-2021
Publisher: Elsevier BV
Date: 04-2019
Publisher: Elsevier BV
Date: 12-2020
Publisher: Elsevier BV
Date: 12-2018
Publisher: Elsevier BV
Date: 02-2017
Publisher: Elsevier BV
Date: 06-2020
Publisher: Elsevier BV
Date: 05-2020
Publisher: Elsevier BV
Date: 02-2019
Publisher: Elsevier BV
Date: 04-2021
Publisher: Elsevier BV
Date: 08-2021
Publisher: American Chemical Society (ACS)
Date: 02-05-2023
Publisher: Elsevier BV
Date: 10-2018
Publisher: Elsevier BV
Date: 04-2022
Publisher: Elsevier BV
Date: 02-2019
Publisher: Elsevier BV
Date: 11-2020
Publisher: Frontiers Media SA
Date: 12-11-2020
Publisher: Elsevier BV
Date: 2020
Publisher: Elsevier BV
Date: 12-2021
Publisher: Elsevier BV
Date: 08-2020
Publisher: Elsevier BV
Date: 02-2017
Publisher: Elsevier BV
Date: 10-2021
Publisher: Elsevier BV
Date: 02-2021
Publisher: Elsevier BV
Date: 05-2019
Publisher: Elsevier BV
Date: 08-2016
Publisher: American Chemical Society (ACS)
Date: 31-01-2020
Publisher: Springer Science and Business Media LLC
Date: 04-2016
Publisher: Informa UK Limited
Date: 07-12-2020
DOI: 10.1080/10408398.2020.1853038
Abstract: Edible films and coatings are eco-friendly promising materials for preserving the quality and extending the shelf life of fresh and minimally-processed fruits. They can form protective layers around fruits, regulate their respiration rates, and protect them from loss of water, tissue softening, browning, and microbial contamination. Edible films and coatings have many advantages over other post-harvest treatments. They can add commercial value to fruits by enhancing their appearance, and act as carriers of functional ingredients, such as antioxidants, antimicrobial agents and nutraceuticals. Mango, a highly perishable tropical fruit, has a short post-harvest life, which limits transport to distant markets. Application of edible films and coatings on mango fruits is an effective method to preserve their quality and safety. This paper provides an overview of desirable properties for films and coatings, and recent development in different edible coatings for both fresh and minimally-processed mango. The most popular edible coating materials, such as chitosan, waxes, starch, gums, and cellulose used for mango are reviewed. The commercialization of coating formulations and equipment used for application of coatings are discussed. The environmental impacts, safety aspects, and the challenges encountered are outlined. The opportunities to use other coating materials, such as aloe-vera gel, microbial polysaccharides, and photosynthetic microorganisms are also examined.
Publisher: No publisher found
Date: 2018
DOI: 10.1039/C8EN01084F
Publisher: American Chemical Society (ACS)
Date: 27-01-2015
DOI: 10.1021/ES504526S
Abstract: The gas-liquid membrane contactor generally used as a nonselective gas absorption enhancement device is innovatively proposed as a condenser for heat recovery in liquid-absorbent-based carbon capture. The membrane condenser is used as a heat exchanger to recover the latent heat of the exiting vapor from the desorber, and it can help achieve significant energy savings when proper membranes with high heat-transfer coefficients are used. Theoretical thermodynamic analysis of mass and heat transfer in the membrane condensation system shows that heat recovery increases dramatically as inlet gas temperature rises and outlet gas temperature falls. The optimal split mass flow rate is determined by the inlet gas temperature and the overall heat-transfer coefficient in the condensation system. The required membrane area is also strongly dependent on the overall heat-transfer coefficient, particularly at higher inlet gas temperatures. Mass transfer across the membrane has an insignificant effect on heat transfer and heat recovery, suggesting that membrane wetting may not be an issue when a membrane condenser is used for heat recovery. Our analysis provides important insights into the energy recovery performance of the membrane condensation system as well as selection of operational parameters, such as split mass flow rate and membrane area, thickness, and thermal conductivity.
Publisher: Royal Society of Chemistry (RSC)
Date: 2018
DOI: 10.1039/C8RA03166E
Abstract: Incorporation of dopamine enhanced selectivity and antifouling properties of novel TFC polyamide FO membranes.
Publisher: American Chemical Society (ACS)
Date: 29-02-2016
Start Date: 04-2023
End Date: 04-2026
Amount: $250,000.00
Funder: Australian Research Council
View Funded Activity