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VSP | CGC Hosts Database

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Project Description

University of Delaware

Contact Info

University of Delaware
Chemistry and Biochemistry
Newark, DE 19716

Murray Johnston

Phone: (302) 831-8014
Fax: 302-831-6335
Email: mvj@udel.edu
Website: www.udel.edu/chem/johnston

Fields of Interest

aerosol mass spectrometry; aerosol chemistry; aerosol kinetics; particle nucleation; urban, rural and marine ambient particle measurements

Description of Scientific Projects

Our group has developed a variety of aerosol mass spectrometers for laboratory and field measurements. Our current research interests focus in three areas: nanoparticles, microparticles and organic aerosol. In the nanoparticle area, we have developed a nano-aerosol mass spectrometer (NAMS) for single particle analysis in the 10-30 nm size range. Current work involves decreasing the minimum particle size below 10 nm to as low as 3 nm. This instrument has been used to study nanoparticle events in urban and coastal-marine locations. Other venues are planned for the future.

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