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Showing results in Far Ultraviolet Light And Organic Aerosols In Titan And Early Earth Atmospheres

Research

The atmosphere of Saturn’s moon Titan appears as a thick orange haze, as a result of large hydrocarbons and organic aerosols. In the upper atmosphere, bombardment by extreme ultraviolet (EUV) radiation (wavelength 10-124 nm) and energetic particles produces large hydrocarbons via ion reactions. In the middle atmosphere (150-700 km altitude) these gaseous hydrocarbons are converted into particulates, but the exact details of this process are still subject to a deal of uncertainty.

News

Researchers at the Massachusetts Institute of Technology have developed an aerosolisable spray containing 2-D circuits, which could be used in a number of environmental and health applications where limited access and space prevents larger sensors being used. The polymer circuit, which contains a sensor element, a photodiode to supply power and a memory element to store recorded information, is fabricated on a 100 µm-square, 1 µm thick substrate of SU-8 photoepoxy, and then dispersed in suspension and atomised.

News

A recent Society member led event, represents the first step towards the co-creation of training and research programmes with academia that are considered essential by our public sector & industry partners.
The final report is now available regarding the Society’s role in building a UK research and innovation pipeline in aerosol science.

News

A 3 metre ‘diesel soot particle’ was installed in Bristol’s Millennium Square as part of the city’s Festival of Nature. The sculpture aimed to visualise what city-dwellers may be breathing in and to provoke conversations about air quality and health in cities by ‘making invisible air pollution visible’.

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Mucus and other airway secretions surrounding influenza viruses when coughed or exhaled from infected individuals may protect the virus in the aerosol phase, even in high humidity environments.
Laboratory tests using H1N1 flu viruses aerosolised alongside secretions from a human lung cell culture at a range of humidities showed that both the airborne viruses and settled droplets remained equally infective at all humidities, for at least one hour.

News

Serious health impacts of smoking and ‘second-hand smoke’ are well-established, but a new study highlights ‘third-hand smoke’ (THS) as a potential source of exposure to harmful compounds derived from tobacco smoke.
Material which deposits on surfaces including clothing, carpets and furniture can partition back into the indoor airborne environment, first into the gas phase, then subsequently into the aerosol phase. The main components thought to be responsible are reduced nitrogen species (RdNS) derived from nicotine and related compounds in the original smoke.

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