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Plasma mutagenesis

Microbial cells are of special significance for biotechnological applications, where bacteria and yeasts are used for many biotechnological tasks, including biofuel production, synthesis of commodity chemicals, and production of industrial and biopharmaceutical proteins.Mutagenesis is an important technique in microbial engineering whereby DNA mutations are deliberately introduced into the microorganism to produce mutant genes, proteins, and strains of bacteria. For example, the mutated gene may produce a mutated protein the properties of which, e.g. its thermostability, optimum pH and specific activity, …

Study level
PhD, Master of Philosophy, Honours, Vacation research experience scheme
Faculty
Science and Engineering Faculty
Lead unit
School of Chemistry, Physics and Mechanical Engineering

Pattern formation and nonlinear dynamics

Pattern formation is a field of research within the nonlinear sciences where the traditional disciplines of mathematics, physics, chemistry and biology merge, interact and exchange ideas.There are opportunities to conduct research into various aspects of the pattern formation processes from a mathematical perspective. These include the study (existence, stability and interaction) of localised structures such as travelling waves, pulses, stripes and spots in low-dimensional paradigm models, and the effect of small defects or heterogeneities on the pattern formation process. …

Study level
Honours
Faculty
Science and Engineering Faculty
Lead unit
School of Mathematical Sciences

Advanced materials for future rechargeable battery technologies

Rechargeable batteries are used as energy sources for many devices, including electric vehicles, mobile phones and portable computers. Since today’s world is becoming more dependent on portable and wearable IT equipment, there is a huge demand for the rapid development of rechargeable battery technologies with a long cycle life and low environmental pollution. Moreover, the depletion of fossil fuels has drawn significant attention to renewable energy sources, such as wind, solar and tidal. These energy sources are seasonal and require …

Study level
PhD, Master of Philosophy, Honours, Vacation research experience scheme
Faculty
Science and Engineering Faculty
Lead unit
School of Chemistry, Physics and Mechanical Engineering

New antimicrobials and biofilm eradication agents

Bacteria can readily adhere to the surface of synthetic materials and form a biofilm. This makes it much more difficult to combat than circulating bacteria due to their extreme resistance to antibiotics. Thus, biofilms are of particular concern in the healthcare system, as they can increase infection rates by contaminating medical devices, delay chronic wound healing and contribute to tooth decay. This project aims to design, develop and evaluate new antimicrobial compounds active against biofilms. …

Study level
PhD, Master of Philosophy, Honours, Vacation research experience scheme
Faculty
Science and Engineering Faculty
Lead unit
School of Chemistry, Physics and Mechanical Engineering

Developing a radial force rig to screen 3D printed vascular stents

Vascular surgery is Australia’s second-most expensive surgical program, primarily due to an aging population with increased incidence of cardiovascular disease, representing 29% of all deaths in 2017.Globally, cardiovascular disease remains the primary cause of morbidity and mortality. This high clinical burden has led to a $10B global market value for vascular medical devices, primarily stents.Vascular stents are utilised when an artery or vein has become occluded, disrupting normal blood flow. Currently, stent materials are severely limited to be either stainless …

Study level
Honours, Vacation research experience scheme
Faculty
Science and Engineering Faculty
Lead unit
School of Chemistry, Physics and Mechanical Engineering

Biorefining of rice husk to bio-silica products for advanced composites

Rice biomass such as rice husk and rice straw contains up to 20% silica.Rice husk silica is a renewable source of silca and has the potential to replace commercial silica products such as precipitated silica for the production of advanced composites.We want to look at how we can extract this silca from rice husks as not only will this maximise the value of rice husk but it will also improve the sustainability of the rice industry. …

Study level
PhD
Faculty
Science and Engineering Faculty
Lead unit
School of Chemistry, Physics and Mechanical Engineering

Use of 3D surface scan reconstructions to measure clinical parameters for paediatric cranio-facial patients

Surface topography captured using 3D non-contact scanning (3D photography) offers the ability to create a scaled 3D model of a patient’s external anatomy and to interrogate this model in order to measure clinically relevant anatomical parameters.This project will investigate the use of surface scanning in capturing external anatomical features for paediatric cranio-facial patients, in order to confirm the efficacy of use of this technique in a young population and to develop a workflow for measuring clinically relevant parameters describing the …

Study level
PhD, Master of Philosophy, Honours, Vacation research experience scheme
Faculty
Science and Engineering Faculty
Lead unit
Science and Engineering Faculty

Effect of by-products from glycerol pretreatment of sugarcane bagasse on enzymatic hydrolysis of cellulose

Glycerol-based pretreatment is a very effective biomass deconstruction technology for enhancing the yield of fermentable sugars.However, the pretreatment process also generates by-products which have negative effects on the enzymatic hydrolysis of cellulose.

Study level
Honours
Faculty
Science and Engineering Faculty
Lead unit
School of Chemistry, Physics and Mechanical Engineering

Recovery and characterisation of valuable by-products from glycerol-based biorefinery process

Glycerol is a low-cost and effective organic solvent to pretreat lignocellulosic biomass for enhancing the yields of fermentable sugars.In the glycerol pretreatment process, it also generates a number of sugar derivatives and lignin depolymerisation products. Some of these by-products can be used in the biological, nutraceutical and cosmetic industries and, as such, have value being extracted from the process.

Study level
PhD
Faculty
Science and Engineering Faculty
Lead unit
School of Chemistry, Physics and Mechanical Engineering

Innovative biological process for producing nanocellulose from sugarcane bagasse

Nanocellulose has important applications in manufacturing advanced composites, food, pharmaceutical and medical products. It can be produced by a variety of processes and these different processes produce nanocelluloses with different properties for different applications.

Study level
PhD
Faculty
Science and Engineering Faculty
Lead unit
School of Chemistry, Physics and Mechanical Engineering

Conversion of lignin-rich residues to functional carbons for environmental remediation and energy storage

Lignoncellulosic biomass such as sugarcane bagasse and corn stover is the most abundant bioresource on Earth. It is also a potential renewable feedstock for the production of biofuels and biochemical.However, biochemical processes only utilise cellulose and hemicellulose in biomass, leaving lignin and undigested carbohydrate residue as a waste.

Study level
PhD
Faculty
Science and Engineering Faculty
Lead unit
School of Chemistry, Physics and Mechanical Engineering

Analysis of the Acromioclavicular Joint Architecture

Acromioclavicular (AC) dislocation is a common injury, but treatments are varied and controversial.To better understand why the joint is dislocating, the Orthopaedic clinical program of the Herston Biofabrication Institute is looking to conduct a study to observe anatomical differences between patients who suffer from recurrent A/C dislocation and patients with healthy shoulders.

Study level
Honours, Vacation research experience scheme
Faculty
Science and Engineering Faculty
Lead unit
School of Chemistry, Physics and Mechanical Engineering

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