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Formation, photochemistry and fate of gas-phase peroxyl radicals

The gas-phase chemical reactions of organic peroxyl radicals control the combustion efficiency of engines and influence the chemical and physical composition of the Earth’s atmosphere. Despite their central importance, these reaction intermediates have proven elusive; with limited experimental observations of the radicals themselves and the complex reaction networks governing their formation and fate. This study will deploy two advanced mass spectrometric methods to isolate and interrogate the chemical and photochemical reactions of peroxyl radicals in the gas phase. Direct measurement …

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

Optimisation of nanostructured features for enhanced antibacterial response

Inspired from the insect wing nanostructures, we have fabricated several surfaces that have efficiently killed bacterial cells. However, small changes in nanoscale features immensely affects the bacterial killing rate. There is a need to optimise certain parameters in the fabrication step such that an enhanced bacterial killing rate is achieved.

Study level
Honours, Vacation research experience scheme
Faculty
Science and Engineering Faculty
Lead unit
School of Information Systems

Development of 3D tumour models for radiobiological research

Approximately 40 percent of cancer patients will receive radiation therapy as part of the management of their disease. Radiation can be used alone or in combination with other treatment modalities such as surgery, chemotherapy, and increasingly immunotherapy.Optimising the delivery of radiation, to take advantage of new treatment planning and delivery techniques, or to test new combinations of treatment modalities in a pre-clinical setting, has traditionally been performed using single layer 2D cell cultures and small animal models.Recently, it has become …

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

Use of depth sensing technology in radiotherapy and medical imaging

Consumer-grade depth sensing technology has in recent years become widely available. A number of vendors have developed similar technologies.Some examples of these technologies include:Microsoft Kinect™ (now discontinued)Intel’s RealSense™Asus Xtion depth sensorQualcomm Spectra ISP platform, now in its second generation.The systems make use of camera technology that measures the distance to a surface. Rapid image acquisition can then enable real time motion detection of location of the surface. The infra-red transmitter and sensor use a time-of-flight method to construct a depth …

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

Time resolved EPID based thickness measurements for radiotherapy treatment verification

Verifying the delivery of radiation during radiotherapy treatments is increasingly important. The patient position and delivered radiation dose are equally important for a successful clinical outcome. Electronic Portal Imaging Devices (EPIDs) can be used to measure the radiation dose exiting the patient. We have developed a method for converting the measured signal in the EPID to tissue equivalent thickness, a surrogate for radiation dose. This project will investigate the real time measurement of the patient thickness during radiation delivery. …

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

Develop and implement a non-contact real-time respiratory monitoring technique, using low cost 3D camera technology, and explore its use in abdominal-thoracic cancer sites

Consumer-grade depth sensing technology has in recent years become widely available. A number of vendors have developed similar technologies, for example, Microsoft KinectTM (now discontinued), Intel’s RealSenseTM, the Asus Xtion depth sensor, and the Qualcomm Spectra ISP platform, now in its second generation.The systems make use of camera technology that measures the distance to a surface, rapid image acquisition can then enable real time motion detection of location of the surface. The infra-red transmitter and sensor use a time-of-flight method …

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

The use of Monte-Carlo techniques in radiotherapy

Various research projects are available in the use of monte-carlo techniques in radiotherapy and medical imaging. These include modelling radiotherapy linear accelerators, patient dosimetric verification and in-vivo treatment verification using electronic portal imaging devices.

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

Managing motion in radiotherapy treatments

The outcomes of radiotherapy treatments are influenced by patient motion such as breathing during the delivery of the treatment.A number of research projects are available to investigate and develop new techniques for measuring and managing motion during the radiotherapy treatment. These include imaging and surface measurement during treatment.

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

Designing technology to promote physical activity in families with young children

The aim of this project is to engage with families with young children to design technologies that promote physical activity spread across the day. To promote healthy growth and development, children aged 1-5 years should be physically active for at least three hours each day. This may include running, jumping and playful activities. In this project we will explore how parents currently promote an active lifestyle, the technologies that they use, and the obstacles they may face to find the …

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

Modelling and simulation of industrial processes and products

Industrial processes and products can be described as 'multi-problems' in that they are often multi-scale, multi-phase and multi-component in nature. The analysis of such problems sits in the exciting nexus of applied mathematics, physical science and engineering science.

Study level
PhD, Master of Philosophy, Honours
Faculty
Science and Engineering Faculty
Lead unit
School of Mathematical Sciences

Triplet energy transfer in organic solar cells

The physical process of singlet exciton fission permits conversion of one singlet exciton (S1) into two low energy triplet excitons (T1). This happens when two neighboring molecules form a triplet intermediate state that is of singlet character, which then breaks down at ultrafast time scales into two triplet states via S1 + S0 → T1 + T1.The potential to have multiple charge carriers per absorbed photon in singlet fission (SF) active organic materials has attracted much attention for the enhancement …

Study level
PhD, Master of Philosophy, Honours
Faculty
Science and Engineering Faculty
Lead unit
School of Electrical Engineering and Computer Science

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

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