Electric field induced surface attachment and detachment of proteins. Microarrays are revolutionising the diagnosis of disease by enabling large amounts of data on genetics and protein expression to be obtained from one sample. Biosensors for diseases and toxins rely on the same mechanism, namely attachment of biological macromolecules to a surface. We propose a new method for controlling the attachment by micromachining an electrode system to apply an electric field to chosen sites. Ultimately ....Electric field induced surface attachment and detachment of proteins. Microarrays are revolutionising the diagnosis of disease by enabling large amounts of data on genetics and protein expression to be obtained from one sample. Biosensors for diseases and toxins rely on the same mechanism, namely attachment of biological macromolecules to a surface. We propose a new method for controlling the attachment by micromachining an electrode system to apply an electric field to chosen sites. Ultimately microelectronic engineering methods will be used. This will give control over the attachment process with potential benefits of orienting attaching molecules, minimising non-specific attachment and enriching diagnostics by enabling interrogation of the force of attachment.Read moreRead less
Biomolecular activity modulated by interaction with nanostructures. Nanotechnological methods are able to reliably fabricate artificial nanostructures with dimensions similar to those of large biomolecules (a few to tens of nanometers). This study focuses on the interaction of artificial nanostructures with biomolecules such as proteins and DNA, and will enable scientists to better understand biomolecular recognition and binding events, which are central to all biological processes. The underst ....Biomolecular activity modulated by interaction with nanostructures. Nanotechnological methods are able to reliably fabricate artificial nanostructures with dimensions similar to those of large biomolecules (a few to tens of nanometers). This study focuses on the interaction of artificial nanostructures with biomolecules such as proteins and DNA, and will enable scientists to better understand biomolecular recognition and binding events, which are central to all biological processes. The understanding gained can then be used to design biomimetic surfaces for use in health monitoring and medical diagnostic devices with improved sensitivity, robustness and portability, thereby providing significant benefits to the health sector.Read moreRead less
Linkage Infrastructure, Equipment And Facilities - Grant ID: LE0775613
Funder
Australian Research Council
Funding Amount
$467,000.00
Summary
Automated Patch Clamp System. Ion channels are membrane proteins that underlie cell function and are therefore important drug targets. The patch clamp technique is the most powerful tool available to study the function of single ion channels. The recent automation of this technology represents a quantum leap in our ability to perform high throughput screening of novel natural and synthetic compounds as drug leads. This will lead to an urgently needed increase in capacity, increasing the volume o ....Automated Patch Clamp System. Ion channels are membrane proteins that underlie cell function and are therefore important drug targets. The patch clamp technique is the most powerful tool available to study the function of single ion channels. The recent automation of this technology represents a quantum leap in our ability to perform high throughput screening of novel natural and synthetic compounds as drug leads. This will lead to an urgently needed increase in capacity, increasing the volume of research and its outcomes, which will benefit the Australian pharmaceutical industry and biosciences research community.
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Linkage Infrastructure, Equipment And Facilities - Grant ID: LE0775660
Funder
Australian Research Council
Funding Amount
$500,000.00
Summary
A National Biomedical Electron Paramagnetic Resonance and Molecular Imaging Centre. Multifrequency continuous wave and pulsed electron paramagnetic resonance spectroscopy and molecular imaging instrumentation will provide forefront technologies in identifying, characterising, quantifying, visualising and manipulating fundamental chemical and biologically relevant processes involving free radicals, metalloproteins and metal ions. This technology is crucial in validating these functional processes ....A National Biomedical Electron Paramagnetic Resonance and Molecular Imaging Centre. Multifrequency continuous wave and pulsed electron paramagnetic resonance spectroscopy and molecular imaging instrumentation will provide forefront technologies in identifying, characterising, quantifying, visualising and manipulating fundamental chemical and biologically relevant processes involving free radicals, metalloproteins and metal ions. This technology is crucial in validating these functional processes at the cellular and tissue level and for providing invaluable and unique biomedical information under physiological conditions. This synergistic and highly integrative approach will make available new techniques for identifying major disease mechanisms such as cardiovascular disease with a potential to improve and maintain health. Read moreRead less
Probing the function of protein molecular motors on nano-fabricated structures. The function of protein linear molecular motors, which are natural dynamic bio-nano-devices with a ubiquitous importance in multicellular organisms, will be 'probed' with purposefully designed nano-structures fabricated via photo- or Scanning Probe Microscopy Lithography, that is, flat polymeric surfaces with combinatorial combinations of physico-chemistries; and micro/nano-channels and nano-wells with critical dimen ....Probing the function of protein molecular motors on nano-fabricated structures. The function of protein linear molecular motors, which are natural dynamic bio-nano-devices with a ubiquitous importance in multicellular organisms, will be 'probed' with purposefully designed nano-structures fabricated via photo- or Scanning Probe Microscopy Lithography, that is, flat polymeric surfaces with combinatorial combinations of physico-chemistries; and micro/nano-channels and nano-wells with critical dimensions similar to the scale of the probed biomolecules. The project turns 'up-side down' the challenge of invasive nano-probing of biomolecules using it in an engineered manner. The fundamental understanding of linear molecular motors will impact on biomedical science and on the assessment of hybrid natural-artificial dynamic nano-devices.Read moreRead less
In-situ Scanning Probe Microscopy of biological redox processes: nanoscale structure and morphology. The science behind this project underpins the development of nanobiotechnology. Immediate applications foreseen, are the development of biosensors and diagnostic devices based on our intimate knowledge of the nature of the protein attachment to a surface. Use of synthetic membranes to create biomimetic surfaces will impact significantly on our understanding of the role and contribution membranes ....In-situ Scanning Probe Microscopy of biological redox processes: nanoscale structure and morphology. The science behind this project underpins the development of nanobiotechnology. Immediate applications foreseen, are the development of biosensors and diagnostic devices based on our intimate knowledge of the nature of the protein attachment to a surface. Use of synthetic membranes to create biomimetic surfaces will impact significantly on our understanding of the role and contribution membranes have on protein structure, function hence disease.Read moreRead less
New high resolution radiation dose mapping of special type polymer-gel dosimeters using mini-MRI scanner of high (4.7 Tesla) magnetic field. Gel dosimeters main advantage is dose determination in 3-dimensions. Their main limitation is low spatial-resolution. We propose fabrication of special-type gels and for the first time use the 4.7 Tesla mini-scanner for dose mapping. Increased magnetic field combined with a small aperture for field dissipation will greatly improve spatial resolution down t ....New high resolution radiation dose mapping of special type polymer-gel dosimeters using mini-MRI scanner of high (4.7 Tesla) magnetic field. Gel dosimeters main advantage is dose determination in 3-dimensions. Their main limitation is low spatial-resolution. We propose fabrication of special-type gels and for the first time use the 4.7 Tesla mini-scanner for dose mapping. Increased magnetic field combined with a small aperture for field dissipation will greatly improve spatial resolution down to micrometers (micro-dosimetry). This new technique will render gel-dosimeters suitable for applications in radiotherapy, industrial and all other radiation fields. Moreover, we will employ new parameter for dose mapping, which is expected to be more sensitive to radiation than the currently used relaxation timesRead moreRead less
Linkage Infrastructure, Equipment And Facilities - Grant ID: LE0346876
Funder
Australian Research Council
Funding Amount
$1,584,000.00
Summary
800 MHz NMR Spectrometer for Molecular Structure-Function Analyses. An 800 MHz high-resolution nuclear magnetic resonance (NMR) spectrometer equipped with a triple-resonance cryoprobe is required to support the research of 5 universities in the NSW/ACT area. The high magnetic field of the spectrometer is necessary for the study of proteins, protein-ligand complexes and other biomolecular systems of molecular weight >30,000. Projects previously inaccessible due to sensitivity, solubility or resol ....800 MHz NMR Spectrometer for Molecular Structure-Function Analyses. An 800 MHz high-resolution nuclear magnetic resonance (NMR) spectrometer equipped with a triple-resonance cryoprobe is required to support the research of 5 universities in the NSW/ACT area. The high magnetic field of the spectrometer is necessary for the study of proteins, protein-ligand complexes and other biomolecular systems of molecular weight >30,000. Projects previously inaccessible due to sensitivity, solubility or resolution problems will become tractable. The increased turn-around times afforded by the high sensitivity of the cryo-enabled spectrometer make it possible to provide access for Australian institutions that would not otherwise have access to comparable equipment.Read moreRead less
Linkage Infrastructure, Equipment And Facilities - Grant ID: LE0347970
Funder
Australian Research Council
Funding Amount
$186,000.00
Summary
Integrated Bio-nano-fabrication Facility. The project proposes the upgrade of a joint facility for the probing, fabrication and operation of hybrid bio-nano-devices. The facility will enhance the proposers' capabilities in the area of the fundamental and prototype-type research on biomolecular/cellular devices. The ultimate goal of these projects is to thrust Australian science in the era when the essential functions of cells can be replicated and controlled on devices that are smaller than livi ....Integrated Bio-nano-fabrication Facility. The project proposes the upgrade of a joint facility for the probing, fabrication and operation of hybrid bio-nano-devices. The facility will enhance the proposers' capabilities in the area of the fundamental and prototype-type research on biomolecular/cellular devices. The ultimate goal of these projects is to thrust Australian science in the era when the essential functions of cells can be replicated and controlled on devices that are smaller than living cells. The proposed facility has a modular structure consisting of additional nano-positioning, confocal microscope and zeta potential modules built on the existent laser tweezers/scissors, picoliter pipette and Atomic Force Microscope modules.Read moreRead less
Liquid light: aqueous bio-sensing in microstructured polymer optical fibres. This project builds on Australia's world-leading position in the development of microstructured polymer optical fibres, and applies the unique benefits they provide to for ultra- sensitive bio-sensing. By using the microstructure to simultaneously confine light and liquid, microstructured optical fibres provide a unique platform for ultra-sensitive spectroscopy and structural studies of biomolecules in solution. The wor ....Liquid light: aqueous bio-sensing in microstructured polymer optical fibres. This project builds on Australia's world-leading position in the development of microstructured polymer optical fibres, and applies the unique benefits they provide to for ultra- sensitive bio-sensing. By using the microstructure to simultaneously confine light and liquid, microstructured optical fibres provide a unique platform for ultra-sensitive spectroscopy and structural studies of biomolecules in solution. The work has profound implications both for fundamental science and applications, particularly in medical diagnostics.Read moreRead less