Using light to probe brain activity in three dimensions. The project aims to understand information flow in the mammalian brain using simultaneous projection of multiple light probes directed into living brain tissues to manipulate and record brain activity.
Four-dimensional analysis of information processing in brain circuits. Analysing how neurons process information could provide us with knowledge of the basic function of the brain as well as insights to neuropsychiatric disorders. The aim is to understand how does a single neuron process its synaptic inputs to arrive at an output response. To achieve this, the project will follow two approaches: it will study single neurons via in vitro experiments, where spatiotemporal patterns of light stimuli ....Four-dimensional analysis of information processing in brain circuits. Analysing how neurons process information could provide us with knowledge of the basic function of the brain as well as insights to neuropsychiatric disorders. The aim is to understand how does a single neuron process its synaptic inputs to arrive at an output response. To achieve this, the project will follow two approaches: it will study single neurons via in vitro experiments, where spatiotemporal patterns of light stimuli mimic physiological synaptic inputs; and, it will build a unique in vivo microscope to map sensory inputs to neuronal circuits in the intact brain. The first approach provides an accurate analysis of neuronal circuits while the second creates an overall map of cortical processing of sensory inputs from a live animal.Read moreRead less
Discovery Early Career Researcher Award - Grant ID: DE130100251
Funder
Australian Research Council
Funding Amount
$375,000.00
Summary
Biophysical mechanisms regulating early T cell signalling events. T cell activation in response to foreign pathogens or cancer cells requires a complex set of protein interactions which must be controlled in space and time. This project will use new microscopy methods with single-molecule sensitivity to determine how the cell membrane and protein clustering regulate these interactions.
Nanoengineering of Biomaterial Surfaces to Tailor Innate Immune Responses. The overarching aim of this project is to provide a mechanistic understanding of how surface nanotopography affects inflammatory responses. Recently, we showed that surface nanotopography induced conformational changes in adsorbed proteins can activate or deactivate immune cells. These exciting findings are important because they show that it may be possible to engineer the nanotopography of a biomedical device surface in ....Nanoengineering of Biomaterial Surfaces to Tailor Innate Immune Responses. The overarching aim of this project is to provide a mechanistic understanding of how surface nanotopography affects inflammatory responses. Recently, we showed that surface nanotopography induced conformational changes in adsorbed proteins can activate or deactivate immune cells. These exciting findings are important because they show that it may be possible to engineer the nanotopography of a biomedical device surface in a manner which leads to a desired and predictable level of inflammation. The outcomes of the project will create new fundamental knowledge that in the future can instruct the development of the next generation of biomaterials capable of controlling and directing the body’s inflammatory responses.Read moreRead less
The mechanochemical basis of cell polarity. This project aims to study how epithelial cells initiate polarisation, a major question in biology that conventional biochemical, cell biological and genetic approaches have not answered. This project will investigate the mechanochemical basis of symmetry breaking in the cellular cortex, a thin layer of actomyosin filaments underneath the plasma membrane, and how this forms signalling zones. Understanding polarity is expected to improve epithelia manip ....The mechanochemical basis of cell polarity. This project aims to study how epithelial cells initiate polarisation, a major question in biology that conventional biochemical, cell biological and genetic approaches have not answered. This project will investigate the mechanochemical basis of symmetry breaking in the cellular cortex, a thin layer of actomyosin filaments underneath the plasma membrane, and how this forms signalling zones. Understanding polarity is expected to improve epithelia manipulation in disciplines from tissue engineering to regenerative biology and reveal how epithelial architecture and physiology are generated.Read moreRead less
Keeping forces local for epithelial homeostasis. This project probes how epithelial cells use mechanical forces to communicate with one another in biological life. It tests the novel concept that negative feedback is a critical, hitherto unappreciated dimension in mechanical communication, which acts to ensure proportionate responses for homeostasis. It will generate fundamental new knowledge in biology using an innovative combination of cellular and biophysical experiments and physical theory. ....Keeping forces local for epithelial homeostasis. This project probes how epithelial cells use mechanical forces to communicate with one another in biological life. It tests the novel concept that negative feedback is a critical, hitherto unappreciated dimension in mechanical communication, which acts to ensure proportionate responses for homeostasis. It will generate fundamental new knowledge in biology using an innovative combination of cellular and biophysical experiments and physical theory. The expected outcomes are fundamental new knowledge, interdisciplinary training for young scientists, new national research capacity and growing international collaborations. It will benefit Australia by enhancing its scientific world linkage, status in scientific leadership and research capacity.Read moreRead less
Engineering biomaterials that actively promote blood vessel growth. This project aims to improve understanding of the effect of biomaterials on vascular growth & to develop new biomimetic materials using natural polymers silk & gelatin. It expects to generate new knowledge in biomaterials, matrix biology & advanced material processing. Expected outcomes include new knowledge & technological advances in biomaterial-driven vascular growth, porous material manufacture, & proteoglycan-mediated grow ....Engineering biomaterials that actively promote blood vessel growth. This project aims to improve understanding of the effect of biomaterials on vascular growth & to develop new biomimetic materials using natural polymers silk & gelatin. It expects to generate new knowledge in biomaterials, matrix biology & advanced material processing. Expected outcomes include new knowledge & technological advances in biomaterial-driven vascular growth, porous material manufacture, & proteoglycan-mediated growth factor signalling, as well as cross-disciplinary, international collaboration & research training. This should provide significant benefit to Australia’s scholarly output & reputation & long term benefits to biomedical, veterinary, cosmetic, & food industries through new materials & processing technologies. Read moreRead less
Shear stimulated Brillouin microscopy for cell mechanobiology. This project aims to develop novel technology for non-contact imaging of micro-mechanical properties in cells and tissues to answer fundamental questions of cell mechnanobiology. Based on principles of Brillouin light scattering, the project takes advantage of a radio-frequency lock-in detection scheme. The project will result in a real-time, high-sensitivity, non-contact 3D imaging solution for spatial characterisation of cell's loc ....Shear stimulated Brillouin microscopy for cell mechanobiology. This project aims to develop novel technology for non-contact imaging of micro-mechanical properties in cells and tissues to answer fundamental questions of cell mechnanobiology. Based on principles of Brillouin light scattering, the project takes advantage of a radio-frequency lock-in detection scheme. The project will result in a real-time, high-sensitivity, non-contact 3D imaging solution for spatial characterisation of cell's local stiffness and compressibility. This will underpin the advancement of knowledge in the area of cell mechanobiology and the investigation of diseases, where microscale changes in cell mechanical properties lead to cell dysfunction and apoptosis.Read moreRead less
Surface Engineered Biomaterials to Control Inflammation. The overarching aim of this project is to provide a mechanistic understanding of how surface nanotopography affects inflammatory responses. Experimental evidence demonstrates that engineered surface nanotopography in combination with surface chemistry downregulates the expression of proinflammatory cytokines from primary macrophages. The significance of these findings is that it may be possible to engineer the nanotopography of a biomedica ....Surface Engineered Biomaterials to Control Inflammation. The overarching aim of this project is to provide a mechanistic understanding of how surface nanotopography affects inflammatory responses. Experimental evidence demonstrates that engineered surface nanotopography in combination with surface chemistry downregulates the expression of proinflammatory cytokines from primary macrophages. The significance of these findings is that it may be possible to engineer the nanotopography of a biomedical device surface in a manner which leads to a desired and predictable level of inflammation and subsequent foreign body reaction (FBR) medical implants and tissue engineering constructs.Read moreRead less
Dynamics of constrained Brownian motion of neuro-secretory vesicles. This project will shed light on a fundamental problem the mechanism of brain cell communication by use of quantitative biophotonics methods including laser tracking, optical tweezers and three dimensional fluorescence microscopy. This work will give valuable new clues to finally solve the dynamics of molecular interactions underpinning neuronal communication.