Application of Silver Coatings to medical Devices for Antimicrobial Properties using Electroless Deposition. Silver compounds, eg. in topical creams, can be used to treat chronic infections. The results are mediocre, and there may be significant side effects. Metallic silver when coated on bandages or medical devices is gaining wider acceptance, but the dissolution rate muct be improved to minimise infection. In this project an electroless silver coating process will be developed, with bath ch ....Application of Silver Coatings to medical Devices for Antimicrobial Properties using Electroless Deposition. Silver compounds, eg. in topical creams, can be used to treat chronic infections. The results are mediocre, and there may be significant side effects. Metallic silver when coated on bandages or medical devices is gaining wider acceptance, but the dissolution rate muct be improved to minimise infection. In this project an electroless silver coating process will be developed, with bath chemistry and coating conditions optimised for an ideal dissolution rate. This project will lead to the development of improved medical devices that will have significant social and economic benefits for Australia.Read moreRead less
Pancreatic Differentiation of Cord Blood Stem Cells using Smart Surfaces. Cord blood cells obtained at the time of delivery of a baby are a valuable resource that have the potential to develop into many cell types. This Project entails attaching stem cells derived from cord blood to appropriate 3 dimensional smart surfaces, and examining the ability of such cells to develop into insulin-producing cells. An understanding of how to coax stem cells, seeded on to smart surfaces, to develop into ma ....Pancreatic Differentiation of Cord Blood Stem Cells using Smart Surfaces. Cord blood cells obtained at the time of delivery of a baby are a valuable resource that have the potential to develop into many cell types. This Project entails attaching stem cells derived from cord blood to appropriate 3 dimensional smart surfaces, and examining the ability of such cells to develop into insulin-producing cells. An understanding of how to coax stem cells, seeded on to smart surfaces, to develop into mature cells with different functions will enhance our ability to understand how cells develop. As well, it enhance the potential usefulness of cord blood for research purposes. Read moreRead less
Advanced Intramedullary Nailing Systems. The proposed project is aimed at developing advanced orthopaedic implants (intramedullary nails and associated locking screws) commonly used for bone fracture repair. These new generation metallic implants will be developed using a comprehensive research approach centred on physico-chemical and mechanical properties investigations. A new generation of intramedullary nailing systems with superior design and mechanical properties (small diameter and high st ....Advanced Intramedullary Nailing Systems. The proposed project is aimed at developing advanced orthopaedic implants (intramedullary nails and associated locking screws) commonly used for bone fracture repair. These new generation metallic implants will be developed using a comprehensive research approach centred on physico-chemical and mechanical properties investigations. A new generation of intramedullary nailing systems with superior design and mechanical properties (small diameter and high strength) and improved bone fixation is the key expected outcome. The knowledge generated in the project is expected to lead to the growth of the Industry Partner (Austofix). Training of a world class researcher in the multidisciplinary field of biomaterials will be an additional outcome.Read moreRead less
Plasma processes for optimising the performance of surfaces for biomedical applications. Australia faces a number of pressing problems in health care, including an aging population, environmental damage control and national security, which can be addressed, in part, by effectively interface synthetic materials surfaces with biological systems. Examples of technologies relying on such functional interfaces include implantable medical devices and prostheses, enzymatic conversion of chemicals and w ....Plasma processes for optimising the performance of surfaces for biomedical applications. Australia faces a number of pressing problems in health care, including an aging population, environmental damage control and national security, which can be addressed, in part, by effectively interface synthetic materials surfaces with biological systems. Examples of technologies relying on such functional interfaces include implantable medical devices and prostheses, enzymatic conversion of chemicals and waste, as well as diagnostic arrays and biosensors. The new understanding of fundamental surface properties driving these interactions, together with the new surface modification processes developed in this project, will drive new technologies in these important areas.Read moreRead less
Covalent Immobilisation of Growth Factors on Plasma Modified Titanium for Achieving Enhanced Bone Growth and Bonding in Implant Prosthetics. This project is aimed at improving the fixation of titanium implants by combining the surface technologies expertise of University of South Australia and Flinders University with TGR BioSciences's growth factors expertise. Plasma modified and hydroxyapatite-coated implant surfaces will be used for covalent immobilisation of growth factors via tethers with ....Covalent Immobilisation of Growth Factors on Plasma Modified Titanium for Achieving Enhanced Bone Growth and Bonding in Implant Prosthetics. This project is aimed at improving the fixation of titanium implants by combining the surface technologies expertise of University of South Australia and Flinders University with TGR BioSciences's growth factors expertise. Plasma modified and hydroxyapatite-coated implant surfaces will be used for covalent immobilisation of growth factors via tethers with tailored wettability and flexibility. This innovative strategy is expected to yield high retention of growth factor bioactivity and increased bone-implant integration for long-term implant stability. Knowledge, expertise and techniques developed will help TGR BioSciences expanding its research base and business. Training of students in the emerging field of nano-biotechnology will be another major outcome.Read moreRead less
Next generation closed-loop brain-machine interfaces . Our partners Carbon Cybernetics have developed high-density neural recording and stimulation arrays that employ fine carbon fibres as the electrode material. The aim of the project is to exploit the properties of these materials to develop miniature implantable devices that are able to achieve long-term, closed-loop, high-resolution recording and stimulation within the brain. We aim to demonstrate an advanced algorithm for control of neural ....Next generation closed-loop brain-machine interfaces . Our partners Carbon Cybernetics have developed high-density neural recording and stimulation arrays that employ fine carbon fibres as the electrode material. The aim of the project is to exploit the properties of these materials to develop miniature implantable devices that are able to achieve long-term, closed-loop, high-resolution recording and stimulation within the brain. We aim to demonstrate an advanced algorithm for control of neural function. Devices that interface directly with the brain are increasingly important in neuroscience to understand how the brain processes information and creates memories and self awareness and are critically important to the development of technologies that interface electronics with the human body. Read moreRead less
Understanding platinum dissolution in biomedical stimulating electrodes. Platinum is the main material used in electrodes for neurostimulators like the cochlear implant. Platinum electrodes can experience dissolution during implantation, which can impact on their function. The mechanisms governing this dissolution process are complex and still not fully understood. This research aims to understand the chemical, electrical and biological factors that impact on platinum dissolution in electrodes. ....Understanding platinum dissolution in biomedical stimulating electrodes. Platinum is the main material used in electrodes for neurostimulators like the cochlear implant. Platinum electrodes can experience dissolution during implantation, which can impact on their function. The mechanisms governing this dissolution process are complex and still not fully understood. This research aims to understand the chemical, electrical and biological factors that impact on platinum dissolution in electrodes. It will also develop new 3D models to simulate conditions in the human body for more rapid testing of electrodes. The new knowledge generated will improve the accuracy of predictions of platinum dissolution, develop new approaches for minimising dissolution, and contribute to reducing need for animal experimentation.Read moreRead less
Blood component interactions with polysaccharide biomaterials for vascular applications. Heart disease is the major killer of people in Australia and the Western world. It is due mainly to the blockage of vessels supplying the muscle of the heart with blood and nutrients, which can be replaced or by-passed but the supply of native vessels in the body is limited. Tissue engineering laboratories have been trying to develop blood vessels for this use for many years without significant success. T ....Blood component interactions with polysaccharide biomaterials for vascular applications. Heart disease is the major killer of people in Australia and the Western world. It is due mainly to the blockage of vessels supplying the muscle of the heart with blood and nutrients, which can be replaced or by-passed but the supply of native vessels in the body is limited. Tissue engineering laboratories have been trying to develop blood vessels for this use for many years without significant success. This application plans to understand the molecular signals contained within the sugar sequences used in a commonly used biomaterial chitosan that may be used in the construction of synthetic vascular grafts. If we can understand how blood cells interact with this biomaterial, we may be able to develop a blood vessel in the laboratory.Read moreRead less
Intelligent scaffolds and methods for repair of osteochondral defects. Osteoarthritis (OA) produces articulation of bone against bone resulting in extreme pain and disability. Of all musculoskeletal disorders, osteoarthritis has the greatest social and economic implications worldwide. By 2030, it is projected that 9.3% of the adult population will suffer from arthritis, significantly affecting their quality of life and overall productivity. A tissue engineered product capable of repairing osteoc ....Intelligent scaffolds and methods for repair of osteochondral defects. Osteoarthritis (OA) produces articulation of bone against bone resulting in extreme pain and disability. Of all musculoskeletal disorders, osteoarthritis has the greatest social and economic implications worldwide. By 2030, it is projected that 9.3% of the adult population will suffer from arthritis, significantly affecting their quality of life and overall productivity. A tissue engineered product capable of repairing osteochondral defects that does not require revision over time but becomes fully integrated with the host tissue will have significant benefits. It will improve patient activity and quality of life, and significantly reduce current health care costs associated with osteoarthritis sufferers.Read moreRead less
Understanding glycopolymer interactions with the extracellular matrix. This project aims to advance knowledge of the biochemical and biophysical structure of the endothelial glycocalyx, a dynamic cell surface extracellular matrix rich in proteoglycans and glycosaminoglycans. It will be the first to explore how charged glycopolymers interact with this dynamic interface with the goal to develop a model of the glycocalyx lifecycle. This project is expected to enable the transfer of skills, knowledg ....Understanding glycopolymer interactions with the extracellular matrix. This project aims to advance knowledge of the biochemical and biophysical structure of the endothelial glycocalyx, a dynamic cell surface extracellular matrix rich in proteoglycans and glycosaminoglycans. It will be the first to explore how charged glycopolymers interact with this dynamic interface with the goal to develop a model of the glycocalyx lifecycle. This project is expected to enable the transfer of skills, knowledge and ideas as well as advanced research and industrial training for young scientists. Knowledge derived from this project is expected to enable future innovation in molecules with tailored interactions with the glycocalyx with significant benefits for researchers, manufacturers and end users. Read moreRead less