个人简介

B.S., 1972, Duke University Ph.D., 1976, Purdue University

研究领域

ANALYTICAL/MATERIALS & PHYSICAL CHEMISTRY

The research of the Harris Group involves the application of spectroscopic methods to investigate the chemistry of liquid/solid interfaces. Many steps in chemical analysis (separation, preconcentration, selective detection) involve adsorption or binding of target species to chemically-modified surfaces in contact with liquids. The transport of molecules to the surface and then laterally along the interfacial plane, influences the rates of surface reactions, catalysis, and the efficiency of chemical separation processes.

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Trajectory Analysis of Single Molecules Exhibiting non-Brownian Motion", Lindsay C.C. Elliott, Moussa Barhoum, Joel M. Harris, and Paul W. Bohn, Physical Chemistry Chemical Physics, 13, 4326 (2011). "Surface-Enhanced Raman Spectroscopy Investigation of the Potential-Dependent Acid-Base Chemistry of Silver-Immobilized 2-Mercaptobenzoic Acid", Chaoxiong Ma and Joel M. Harris, Langmuir, 27, 3527 (2011). "Fluorescence Microscopy of the Pressure-Dependent Structure of Lipid Bilayers Suspended Across Conical Nanopores", Anna Schibel, Emily Heider, Joel Harris, and Henry White, Journal of the American Chemical Society, 133, 7810 (2011). "Fluorescence Microscopy to Determine Distributions of Size and Lamellarity of Individual Phospholipid Vesicles", Emily C. Heider, Moussa Barhoum, Kyle Edwards, Karl-Heinz Gericke, Joel M. Harris, Analytical Chemistry, 83 4909 (2011). "Quantitative Fluorescence Microscopy to Determine Molecular Occupancy of Phospholipid Vesicles", Emily C. Heider, Eric M. Peterson, Moussa Barhoum, Karl-Heinz Gericke, and Joel M. Harris, Analytical Chemistry, 83, 5128 (2011). "Confocal Raman Microscopy of pH-Gradient-Based 10,000-Fold Preconcentration of Compounds within Individual, Optically Trapped Phospholipid Vesicles", Grant A. Myers and Joel M. Harris, Analytical Chemistry, 83, 6098 (2011). "Single Molecule Tracking Studies of Lower Critical Solution Temperature Transition Behavior in Poly(N-isopropylacrylamide)", Lindsay C. Elliott, Moussa Barhoum, Joel M. Harris and Paul W. Bohn, Langmuir, 27, 11037 (2011). "Spectroscopic Microscopy Analysis of the Interior pH of Individual Phospholipid Vesicles," Emily C. Heider, Grant A. Myers, and Joel M. Harris, Analytical Chemistry, 83, 8230 (2011). "Confocal Raman Microscopy for Monitoring the Membrane Polymerization and Thermochromism of Individual, Optically Trapped Diacetylenic Phospholipid Vesicles", Jonathan J. Schaefer, Christopher B. Fox, and Joel M. Harris, J. Raman. Spectroscopy, 43, 351 (2012). "Surface-Enhanced Raman Scattering Study of the Kinetics of Self Assembly of Carboxylate-Terminated n-Alkanethiols on Silver," Chaoxiong Ma and Joel M. Harris, Langmuir, 28, 2628 (2012). "Confocal Raman Microscopy Probing of Temperature-Controlled Release from Individual, Optically-Trapped Phospholipid Vesicles," Jonathan J. Schaefer , Chaoxiong Ma , and Joel M. Harris, Analytical Chemistry, 84, 9505 (2012). "Microscopic Rates of Peptide-Phospholipid Bilayer Interactions from Single-Molecule Residence Times," Grant A. Myers, Daniel A. Gacek, Eric M. Peterson, Christopher B. Fox,, and Joel M. Harris, Journal of the American Chemical Society, 134, 19652 (2012). "Surface-Enhanced Raman Spectroscopy Detection of Ionic Solutes by Surfactant-Mediated Adsorption to a Hydrophobic Surface," Chaoxiong Ma, and Joel M. Harris, Applied Spectroscopy, 67, 801 (2013). "Single-Molecule Fluorescence Imaging of DNA at a Potential-Controlled Interface," Eric M. Peterson and Joel M. Harris, Langmuir, 29, 8292 (2013). "Imaging Fluorescent Nanoparticles to Probe Photo-Induced Charging of a Semiconductor-Solution Interface," Langmuir, 29, 11941 (2013). "Fluorescence Imaging of Single-Molecule Retention Trajectories in Reversed Phase Chromatographic Particles," Justin Cooper, Eric M. Peterson, and Joel M. Harris, Analytical Chemistry, 85, 9363 (2013). "Confocal Raman Microscopy for In-Situ Detection of Solid-Phase Extraction of Pyrene into Single C18-Silica Particles," Jay P. Kitt and Joel M. Harris, Analytical Chemistry, 86, 1719 (2014). ??Confocal Raman Microscopy for Investigating Synthesis and Characterization of Individual Optically-Trapped Vinyl-Polymerized Surfactant Particles??, Jonathan J. Schaefer, Alexis C. Crawford, Marc D. Porter, and Joel M. Harris, Applied Spectroscopy (cover feature article), 68, 633 (2014). "aging Fluorescence-Correlation Spectroscopy for Measuring Fast Surface Diffusion at Liquid/Solid Interfaces," Justin Cooper and Joel M. Harris, Analytical Chemistry, 86, 7618 (2014)..w