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Chemical characterisation of biomass burning smoke particles using Electrospray-Orbitrap mass spectrometry

Australian bushfires and prescribed biomass burning (BB) have a significant impact on both human health as well as global and regional climate.While emissions from traditional sources, such as vehicles and power plants are expected to decline due to more stringent regulations, air pollution from BB smoke is expected to continue growing.The impact of BB smoke particulate matter on human health will depend on their chemical and physical properties. However, that information for smoke from Australian ecosystems is very limited.The aim …

Study level
Honours, Vacation research experience scheme
Faculty
Science and Engineering Faculty
School
School of Earth and Atmospheric Sciences
Research centre(s)

Online aerosol chemical characterisation using Particle Into Liquid Sampler coupled to Electrospray Ionisation Orbitrap Mass Spectrometry

Atmospheric aerosols are important as they have impact on earth’s climate and human health.Organic components represent a significant fraction of atmospheric aerosols. They can be directly emitted in the atmosphere or formed in the atmosphere by oxidation of gaseous precursors.Real-time characterisation of organic aerosol is required to understand their sources, formation and ageing (change) in the atmosphere.There are several mass spectrometry techniques currently used for real-time characterisation of organic aerosols. However, the techniques use hard ionisation, resulting in molecular fragmentation, …

Study level
PhD, Master of Philosophy, Honours
Faculty
Science and Engineering Faculty
School
School of Earth and Atmospheric Sciences
Research centre(s)

Laboratory simulation of Secondary Organic Aerosol (SOA) formation

This project aims to investigate the interaction of anthropogenic (human-made) emissions and biogenic emissions from plants and trees and subsequent secondary organic aerosol (SOA) production in urban environments. This is relevant as SOA is part of particulate matter (PM), which is associated with smog events in cities, affects the climate and has negative impacts on human health.SOA is formed in the atmosphere by complex reactions of volatile organic compounds (VOCs) of anthropogenic or biogenic origin with atmospheric oxidants (OH radicals, …

Study level
Honours, Vacation research experience scheme
Faculty
Science and Engineering Faculty
School
School of Earth and Atmospheric Sciences
Research centre(s)

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