Professor Jonathan Reid FRSC
Winner: 2021 Tilden Prize
University of Bristol
For pioneering studies of the chemical and physical properties of micron-scale aerosol particles, and their impact in atmospheric, health, analytical and formulation sciences.
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Aerosols are so much more than the familiar aerosol can. Like any system of particles dispersed within a gas phase, aerosols are found widely in the atmosphere in clouds and in polluted urban centres. They are used in the delivery of drugs to the lungs to treat asthma, they play a crucial role in the transmission of disease when someone coughs or speaks, and they are used in a wide range of homecare and personal care products.
Professor Reid’s work specifically looks at the processes that occur at the level of a single aerosol particle that govern their behaviour and impacts. During the COVID-19 pandemic, his team have been measuring how many aerosol particles people emit when they speak, sing, play a wind instrument or participate in exercise, how long the coronavirus survives while airborne, and how far it can be transmitted. His team are also exploring the evaporation and condensation of water on particles on inhalation to the lung, how they can be resuspended from surfaces, and how to make particles of controlled properties using aerosols.
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