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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

A real-time system for monitoring oxidative potential of PM

Particulate matter (PM), a major component of outdoor and indoor air pollution was recently classified by World Health Organization as carcinogenic to humans. The underlying toxicological mechanisms by which particles induce adverse health effects are still not entirely known. Numerous toxicological studies have demonstrated that particles have the ability to generate free radicals and related reactive oxygen species (ROS), which are able to induce oxidative stress at the sites of deposition (i.e. lungs).A fluorescence-based profluorescent nitroxide (PFN) molecular probe synthesized …

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

Design of Free Radical Dynamic Nuclear Polarisation (DNP) Agents

Nuclear magnetic resonance (NMR) is one of the most widely used analytical and structural elucidation techniques in chemistry and materials science.It is also the underlying principle of magnetic resonance imaging (MRI), an important clinical imaging modality.However it is a relatively insensitive technique compared to other spectroscopic methods.This project will look to investigate the synthesis of stable, free-radical compounds with application as magnetic resonance enhancement agents.

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

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