Laser optical techniques for analysis of cell surface phenomena; microcalorimetry

My research is directed at determining reactions influencing the fate of trace elements and organic contaminants in soils.

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

Teaching Responsibilities: General Chemistry, Problem Solving in General Chemistry, Introductory Seminar in Chemistry, Honors Seminar: Water Science

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.

The Sambur group synthesizes nanomaterials and develops imaging techniques to correlate chemical and structural properties with function/performance.

Bioanalytical chemistry, single molecule detection and spectroscopy, laser spectroscopy, optical and scanning probe microscopy, optical biosensors for pharmaceutical and clinical chemistry.

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.