Indoor and outdoor atmospheric chemistry; Instrument development & high resolution mass spectrometry; Field and laboratory measurements of reactive trace gases and particles and their interactions with the biosphere
Plasma chemistry, reactivity of radicals with surfaces using LIF and molecular beam techniques. Plasma polymerization deposition and etching of materials. Characterization of plasma synthesized thin films.
Bioanalytical chemistry; environmental chemistry; chemical separations; microscale chemical instrumentation; capillary electrophoresis; biosensor development; paper-based analytical devices; microfluidics
Atmospheric chemistry via studies in gas phase kinetics and photochemistry, heterogeneous chemistry, atmospheric field observations, and analyses of modeling results; Furthering understanding of the earth’s atmosphere, diagnosing, understanding of, and providing solutions to environmental issues of the stratospheric ozone depletion, air quality, and climate change; Provide new insights into gas phase chemical reactions, reactions on surfaces and in liquids, and photochemical processes; Developing new experimental methods both for laboratory studies and atmospheric measurements.
Multidisciplinary chemical design and fabrication of biomimetic materials for use in medical device applications. Research work includes: synthesis of organic and inorganic compounds including small-molecule therapeutics, polymers, and extended frameworks; analytical studies utilizing fluorescence, chemiluminesence, zeta potential, and LC/MS-TOF; fabrication and engineering of materials; biomedical efficacy and toxicity studies.
Atmospheric chemical transformations in gas and particle phases using online mass spectrometry techniques. Understanding the sources and sinks of volatile organic compounds in the surface ocean, emission to the atmosphere and atmospheric fate. Atmospheric aerosol formation and growth, and chemistry-climate interactions. Instrument development to answer fundamental questions in atmospheric chemistry in both field and laboratory experiments.