Formation, photochemistry and fate of gas-phase peroxyl radicals. This project aims to understand how peroxyl radical reactions modulate the composition of air. The gas-phase chemical reactions of organic peroxyl radicals contribute to air quality in clean and polluted environments. However, experimental observations of these reaction intermediates and the complex mechanisms governing their formation and fate are limited. This project will use mass spectrometry and laser-based methods to interro ....Formation, photochemistry and fate of gas-phase peroxyl radicals. This project aims to understand how peroxyl radical reactions modulate the composition of air. The gas-phase chemical reactions of organic peroxyl radicals contribute to air quality in clean and polluted environments. However, experimental observations of these reaction intermediates and the complex mechanisms governing their formation and fate are limited. This project will use mass spectrometry and laser-based methods to interrogate the chemical and photochemical reactions of peroxyl radicals in the gas phase. This project expects to understand the composition and dynamics of the troposphere and inform strategies to improve air quality.Read moreRead less
The dynamics of turbulent entrainment in sheared convective boundary layers. This project aims to develop general laws to enable the accurate prediction of boundary layer entrainment processes. This will be significant in a wide range of environmental and engineering applications. In particular, the current lack of understanding of this area is a major source of uncertainty in the latest generation of global climate models.
GBR as a significant source of climatically relevant aerosol particles. Every cloud drop is formed from a microscopic aerosol particle, known as a cloud condensation nuclei (CCN). In unpolluted environments the CCN particles originate from biogenic sources. Determining the magnitude and driving factors of biogenic aerosol production in different ecosystems is crucial to the development and improvement of climate models. This project aims to determine the mechanisms of new particle production fro ....GBR as a significant source of climatically relevant aerosol particles. Every cloud drop is formed from a microscopic aerosol particle, known as a cloud condensation nuclei (CCN). In unpolluted environments the CCN particles originate from biogenic sources. Determining the magnitude and driving factors of biogenic aerosol production in different ecosystems is crucial to the development and improvement of climate models. This project aims to determine the mechanisms of new particle production from one of the biggest ecosystems in Australia, the Great Barrier Reef. It is expected that the project will establish whether marine aerosol along the Queensland coast is coral-derived and show that this aerosol can affect the CCN concentration and therefore cloud formation and the hydrological cycle.Read moreRead less
New Methods in the Theory and Computational Modelling of Unimolecular and Complex-Forming Bimolecular Reactions. This project will develop new theory and computational methods for the prediction of chemical reaction rates with massively increased efficiency. Complex reactions occurring in combustion which are surprisingly common, but have previously been only poorly understood. The project will make possible the application of detailed statistical and quantum dynamical theories to such complex r ....New Methods in the Theory and Computational Modelling of Unimolecular and Complex-Forming Bimolecular Reactions. This project will develop new theory and computational methods for the prediction of chemical reaction rates with massively increased efficiency. Complex reactions occurring in combustion which are surprisingly common, but have previously been only poorly understood. The project will make possible the application of detailed statistical and quantum dynamical theories to such complex reactions in order to improve the quality of chemical data which is used for modelling atmospheric change and pollution.
Read moreRead less
Function, Mechanism and Dynamics in Fluorescent Proteins: a Computational Investigation. The rich reservoir of chromoproteins and fluorescent proteins in the ecosystem of the Great Barrier Reef offers Australia a unique natural advantage for the development of a niche biotechnology industry based on fluorescent markers for cellular biology and biomedical imaging. This project provides a crucial component of the science that is necessary for developing such an industry: a molecular-level knowledg ....Function, Mechanism and Dynamics in Fluorescent Proteins: a Computational Investigation. The rich reservoir of chromoproteins and fluorescent proteins in the ecosystem of the Great Barrier Reef offers Australia a unique natural advantage for the development of a niche biotechnology industry based on fluorescent markers for cellular biology and biomedical imaging. This project provides a crucial component of the science that is necessary for developing such an industry: a molecular-level knowledge of how these proteins function and how we can manipulate and enhance their properties as imaging agents. It will achieve fundamental advances in biomolecular modelling techniques, train graduates with exceedingly valuable skill sets as well as deriving knowledge that aids the development of Australia's biotech industries.Read moreRead less
Quantum Unimolecular Reaction Dynamics: from Isolated Molecules to Protein-Embedded Chromophores. The outcomes of this research will (a) enhance the reputation of Australian science internationally,(b) develop highly skilled research personnel with core capabilities in computational chemistry who can contribute to Australian industry, (c) lead to more accurate modelling of atmospheric ozone depletion phenomena, and (d) improve our understanding of the most common cellular imaging tool - the Gree ....Quantum Unimolecular Reaction Dynamics: from Isolated Molecules to Protein-Embedded Chromophores. The outcomes of this research will (a) enhance the reputation of Australian science internationally,(b) develop highly skilled research personnel with core capabilities in computational chemistry who can contribute to Australian industry, (c) lead to more accurate modelling of atmospheric ozone depletion phenomena, and (d) improve our understanding of the most common cellular imaging tool - the Green Fluorescent Protein - with spinoff benefits for molecular biology research in Australia through the potential for design of new fluorescent proteins.Read moreRead less
Synthesis, Biological Interactions and Toxicity Studies of Precisely Engineered Nanoparticles. The proposed benefits of nanotechnology for industries from material sciences, to bioengineering, energy and the environment are currently driving unprecedented growth in this technology world-wide. Some of these benefits are borne out of the unique properties that different nanoparticles exhibit. However, if nanomaterials pose a threat to the health and well-being of the community, then their risks ....Synthesis, Biological Interactions and Toxicity Studies of Precisely Engineered Nanoparticles. The proposed benefits of nanotechnology for industries from material sciences, to bioengineering, energy and the environment are currently driving unprecedented growth in this technology world-wide. Some of these benefits are borne out of the unique properties that different nanoparticles exhibit. However, if nanomaterials pose a threat to the health and well-being of the community, then their risks may outweigh their benefits. This project will identify those characteristics of nanoparticles that can lead to adverse effects and therefore pose a danger to the general community. By defining these characteristics, appropriate changes in nanomaterial production can be considered by industry to minimise these dangers.Read moreRead less
Numerical Modelling of Strain Localization in Reinforced Concrete and Its Application to Prediction of Crack Spacing and Crack Width. Cracking of concrete has a major influence on structural performance. Prediction of crack spacing and crack widths is essential for serviceability considerations of reinforced concrete. The available formulas to evaluate crack widths are approximate and give a wide scatter of predicted values. The project aims to provide a new numerical methodology that will (fina ....Numerical Modelling of Strain Localization in Reinforced Concrete and Its Application to Prediction of Crack Spacing and Crack Width. Cracking of concrete has a major influence on structural performance. Prediction of crack spacing and crack widths is essential for serviceability considerations of reinforced concrete. The available formulas to evaluate crack widths are approximate and give a wide scatter of predicted values. The project aims to provide a new numerical methodology that will (finally) predict crack spacing correctly. The expected outcomes include a numerical analysis model and a set of algorithms to predict crack widths. This will markedly improve the understanding of the mechanism of crack spacing and provide a better prediction of crack spacing and crack widths.Read moreRead less
Origin of the New England contorted mountain belt: implications for plate tectonics, magmatism and mineralisation. The southern New England mountain chain in eastern Australia is characterised by a tight curved geometry. This research will reconstruct the formation of these, hitherto unexplained, mountain curves, unravelling their driving mechanisms and tectonic processes. Results will provide a plate tectonic model for the formation of economic resources, thus facilitating future discoveries of ....Origin of the New England contorted mountain belt: implications for plate tectonics, magmatism and mineralisation. The southern New England mountain chain in eastern Australia is characterised by a tight curved geometry. This research will reconstruct the formation of these, hitherto unexplained, mountain curves, unravelling their driving mechanisms and tectonic processes. Results will provide a plate tectonic model for the formation of economic resources, thus facilitating future discoveries of ore deposits in the New England belt, or energy resources in the associated sedimentary basins. The project will foster a pool of highly trained professionals and researchers in the fields of structural geology and tectonics, and will enhance Australia's scientific reputation, maintaining its leading international standing in plate tectonic research.Read moreRead less
Unravelling the structural complexity of ancient Australian arthropod venoms. Animal venoms contain a complex mix of molecules that have evolved over millions of years to target various biological processes. Their exquisite specificity and potent activity has made them an attractive source for development as therapeutic drugs with fewer side effects or as environmentally friendly insecticides. This project aims to for the first time explore the three-dimensional structure of all known classes of ....Unravelling the structural complexity of ancient Australian arthropod venoms. Animal venoms contain a complex mix of molecules that have evolved over millions of years to target various biological processes. Their exquisite specificity and potent activity has made them an attractive source for development as therapeutic drugs with fewer side effects or as environmentally friendly insecticides. This project aims to for the first time explore the three-dimensional structure of all known classes of toxins in the venom of two ancient Australian arthropods (spiders and centipedes). This will provide a comprehensive overview of these venoms and provide opportunities in engineering new classes of venom based drugs and insecticides. Read moreRead less