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Surface Forces in Aqueous Electrolytes. This project studies the force between two nearby colloidal particles or macromolecules in aqueous electrolyte solutions. Although such forces control the approach and binding of particles in electrolytes and hence have large practical significance they are poorly known. In recent work I established a rigorous scheme for calculation of the electrostatic contribution to the force and proved its feasibility. In order to realise practical applications, such a ....Surface Forces in Aqueous Electrolytes. This project studies the force between two nearby colloidal particles or macromolecules in aqueous electrolyte solutions. Although such forces control the approach and binding of particles in electrolytes and hence have large practical significance they are poorly known. In recent work I established a rigorous scheme for calculation of the electrostatic contribution to the force and proved its feasibility. In order to realise practical applications, such as in drug design, we must know the mean force between an ion and a surface or functional surface group. Here I propose to perform the required simulations and explore the analytical simplifications.Read moreRead less
Multiplexed Molecular Reading of Protein Associations via Nanoscaled Devices. Current developments in Nanoscience and Nanotechnology hold many promises in terms of revolutionising our industrial base, transforming biology, medical science and practice. This project strives to achieve some of these goals by, for the first time, building and testing nano-scaled devices with the capability to rapidly ?read? information about complex protein associations. With the recent completion of the Human Ge ....Multiplexed Molecular Reading of Protein Associations via Nanoscaled Devices. Current developments in Nanoscience and Nanotechnology hold many promises in terms of revolutionising our industrial base, transforming biology, medical science and practice. This project strives to achieve some of these goals by, for the first time, building and testing nano-scaled devices with the capability to rapidly ?read? information about complex protein associations. With the recent completion of the Human Genome project, major opportunities exist to provide spectacular advances in human health care (eg, via novel diagnostics) provided that appropriate high-throughput biological reading devices can be developed. In developing such devices, this project also aims to catalyse the Australian Nanotechnology/Biotechnology industry.Read moreRead less
Electronic and Optical Properties of Doped Titanium Dioxide. Titanium dioxide, is widely used as a white pigment, owing to its high refractive index, second, only after diamond. Yellowing of rutile pigment particles, observed on prolonged exposure to sunlight, is a serious problem that pigment manufacturers would like to overcome. It is proposed that aluminium-doping of rutile limits this discolouration by altering the electronic structure of the rutile particles. This project seeks to identify ....Electronic and Optical Properties of Doped Titanium Dioxide. Titanium dioxide, is widely used as a white pigment, owing to its high refractive index, second, only after diamond. Yellowing of rutile pigment particles, observed on prolonged exposure to sunlight, is a serious problem that pigment manufacturers would like to overcome. It is proposed that aluminium-doping of rutile limits this discolouration by altering the electronic structure of the rutile particles. This project seeks to identify the specific electronic cause of the yellowing process, the nature of the Al defect,it's effect on the electronic structure of rutile, and the electronic perturbations that may occur when other dopants are used.Read moreRead less
Designing Nano-Pore Architectures for High Power Battery Materials. In recent years there has been a steady increase in the popularity of portable electronic devices. Of the numerous battery systems available, alkaline MnO2/Zn cells are most commonly used to power these devices. However, as the device power requirements increase, so too does the demand on these cells to perform. Delta EMD, Australia, currently exports ~10% of the world's supply of MnO2 for these cells. Their collaboration with p ....Designing Nano-Pore Architectures for High Power Battery Materials. In recent years there has been a steady increase in the popularity of portable electronic devices. Of the numerous battery systems available, alkaline MnO2/Zn cells are most commonly used to power these devices. However, as the device power requirements increase, so too does the demand on these cells to perform. Delta EMD, Australia, currently exports ~10% of the world's supply of MnO2 for these cells. Their collaboration with personnel from the University of Newcastle, who have significant expertise in the field of MnO2 research, will focus on designing a superior MnO2 with optimized nano-pore architecture for high power battery applications.Read moreRead less
Electrochemistry of redox-active non-metal compounds. Unsaturated compounds of heavier non-metal elements can exist in multiple stable redox states. The interconversion is best assessed by electrochemical techniques, which can measure the energetics and the mechanism of the redox processes involved in both solution and solid state phases. Compounds to be studied will be prepared in the Canadian laboratories of the partner investigator. The electrochemical and spectroelectrochemical properties ....Electrochemistry of redox-active non-metal compounds. Unsaturated compounds of heavier non-metal elements can exist in multiple stable redox states. The interconversion is best assessed by electrochemical techniques, which can measure the energetics and the mechanism of the redox processes involved in both solution and solid state phases. Compounds to be studied will be prepared in the Canadian laboratories of the partner investigator. The electrochemical and spectroelectrochemical properties will initially be investigated in Australia during the visit of the partner investigator to Monash University with follow up studies in both countries. The mutual skills of synthesis and electrochemistry in the Canadian-Australian laboratories are essential to the project.Read moreRead less
STABILISATION OF TITANIA PIGMENTS FOR IMPROVED WATER-BASED PAINT APPLICATIONS. This project aims to improve the stability and optical properties of titania pigments in water-based paints. Tailored dispersing agents will be used to stabilise pigments in paints in both the wet and dry state. Enhanced understanding of the dispersing agents interaction with the titania pigment surface and the subsequent stability of the pigment in dry paint films will allow advances in water-based paint stability. T ....STABILISATION OF TITANIA PIGMENTS FOR IMPROVED WATER-BASED PAINT APPLICATIONS. This project aims to improve the stability and optical properties of titania pigments in water-based paints. Tailored dispersing agents will be used to stabilise pigments in paints in both the wet and dry state. Enhanced understanding of the dispersing agents interaction with the titania pigment surface and the subsequent stability of the pigment in dry paint films will allow advances in water-based paint stability. This understanding facilitates continued movement away from solvent-based paints required by environmental and health legislation. The potential growth in market share for the Australian pigment industry is in excess of $50M pa.Read moreRead less
Stabilisation of Titania Pigment Slurries During Processing. This project aims to improve the stabilisation properties of titania pigment slurries during production. Current polyphosphate dispersants used by Tiwest are unstable under processing conditions. Tailored, robust dispersing reagents will therefore be investigated in order to provide improved stabilisation of pigments during processing. Enhanced understanding of the dispersing reagents interaction with the titania pigment surface and th ....Stabilisation of Titania Pigment Slurries During Processing. This project aims to improve the stabilisation properties of titania pigment slurries during production. Current polyphosphate dispersants used by Tiwest are unstable under processing conditions. Tailored, robust dispersing reagents will therefore be investigated in order to provide improved stabilisation of pigments during processing. Enhanced understanding of the dispersing reagents interaction with the titania pigment surface and the subsequent stability of the pigment will allow advances in processing and consequently improved final products. The potential growth in market share, by improved product performance, is in excess of $50M pa.Read moreRead less
Thin Films of Oxide Ceramics. Aluminium oxide films are used extensively in the Australian industries of Protective & Decorative Coatings (examples include door-knobs and cutting-tools). The industry will be offered a remarkably simple process for preparation of high quality films. In the microelectronic industry, the uses of aluminium oxide films as a dielectric alternative to silicon dioxide has just started to emerge world - wide and this new process would make a dramatic impact with commerci ....Thin Films of Oxide Ceramics. Aluminium oxide films are used extensively in the Australian industries of Protective & Decorative Coatings (examples include door-knobs and cutting-tools). The industry will be offered a remarkably simple process for preparation of high quality films. In the microelectronic industry, the uses of aluminium oxide films as a dielectric alternative to silicon dioxide has just started to emerge world - wide and this new process would make a dramatic impact with commercial benefits for Australia. Read moreRead less
Patterned assemblies of molecules on surfaces. Because of their redox and photophysical properties, artificial porphyrin systems have been designed for applications such as light-harvesting antennae, catalysts and sensors. Control of molecular orientation is required in order to construct practical devices, and in this project methods of assembling porphyrins on surfaces in well-defined patterns will be developed. Sophisticated methods will be used to characterise the films produced in these w ....Patterned assemblies of molecules on surfaces. Because of their redox and photophysical properties, artificial porphyrin systems have been designed for applications such as light-harvesting antennae, catalysts and sensors. Control of molecular orientation is required in order to construct practical devices, and in this project methods of assembling porphyrins on surfaces in well-defined patterns will be developed. Sophisticated methods will be used to characterise the films produced in these ways, in order to provide the information necessary to refine procedures and design new molecules suitable for advanced applications. Expected outcomes are new methods and architectures that can ultimately yield devices that act at the molecular level.Read moreRead less
Linkage Infrastructure, Equipment And Facilities - Grant ID: LE0668449
Funder
Australian Research Council
Funding Amount
$158,000.00
Summary
Advanced Surface and Porosity Characterization Facility. Material properties and processing play a significant role in many Australian industries. The benefits of research with this infrastructure to the greater community lies in the technological development of superior materials and processes to support the continued development of these industries. In addition to technological advances, this will have economic benefits due to improved business market share and profitability in these industrie ....Advanced Surface and Porosity Characterization Facility. Material properties and processing play a significant role in many Australian industries. The benefits of research with this infrastructure to the greater community lies in the technological development of superior materials and processes to support the continued development of these industries. In addition to technological advances, this will have economic benefits due to improved business market share and profitability in these industries, as well as educational development through completion of high quality research higher degree students.Read moreRead less