Leading NIH Auditory Researcher to Give Sigma Xi Lecture

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Printer-friendly versionPrinter-friendly versionPDF versionPDF version Richard Chadwick WASHINGTON (December 5, 2013) – Auditory researcher Richard Chadwick, Ph.D., will deliver the Sigma Xi Hawthorne Memorial Lecture on Friday, Dec. 6, in the L.K. Downing Hall Auditorium at 4 p.m. Chadwick is the section chief on Auditory Mechanics in the Laboratory of Cellular Biology at the National Institute on Deafness and other Communication Disorders (NIDCD) of the National Institute of Health.  His talk, “New Insights from AFM on Propulsive Forces During Cell Motility,” will present results from his work with a hybrid AFM/Spinning Disk microscope. The research assesses whether F-actin polymerization exerts a direct propulsive force on the cell membrane. The microscope allowed his group to investigate outward and inward bulging regions of the lamellipod, and to obtain cantilever displacement vs. indentation curves at such locations. Chadwick received B.S. and M.S. degrees from Cornell University. He received his Ph.D. from Stanford University in 1971, where he studied light scattering phenomena in blood. He joined the Bioengineering and Instrumentation Branch at National Institute of Health in 1980, where he began research in cardiovascular dynamics, and then moved to the NIDCD as a senior investigator in 1996. He is an elected fellow of the American Institute of Medical and Biological Engineering. The Sigma Xi Hawthorne Lecture honors Dr. Edward Hawthorne, former chair of the Physiology and Biophysics Department in the College of Medicine and also former dean of the Graduate School. For more information, contact Sonya T. Smith, Ph.D., at 202-806-6600 or ssmith@howard.edu   ABOUT HOWARD Founded in 1867, Howard University is a private, research university that is comprised of 13 schools and colleges. Students pursue studies in more than 120 areas leading to undergraduate, graduate and professional degrees. Since 1998, the University has produced two Rhodes Scholars, two Truman Scholars, a Marshall Scholar, 30 Fulbright Scholars and 11 Pickering Fellows. Howard also produces more on campus African-American Ph.D. recipients than any other university in the United States. For more information on Howard University, call 202-238-2330, or visit the University's Web site at www.howard.edu.

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