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Nucleic Acids Force and Structure
Date: 2018-03-26
Time: 15:00
Venue: 中国科学院物理研究所M253会议室
Speaker: 邱祥运 (Xiangyun Qiu)

Associate Professor,
Department of Physics, George Washington University, Washington DC 20052

Biological functions of biomolecules are closely connected with their structures and the forces animating such structures. Physical understanding of biomolecular force and structure is thus critical to unraveling their biological roles. We have a long-standing interest in how the force/structure-function relationships are manifested in the increasingly diverse world of nucleic acids, whose biological roles are well beyond being the carrier of genetic information. In this talk, I will introduce our primary experimental technique of x-ray scattering and how it is used to measure nucleic acids force and structure, specifically in systems ranging from short DNA fragments in a test tube to tightly packaged genome in viruses and to histone-regulated nucleosome arrays.

Speaker Bio:
Dr. Qiu received his BS in Physics and BE in Computer Science from University of Science and Technology of China in 1999;he received his Ph.D. in Condensed Matter Physics from Michigan State University in 2004; he then worked as a postdoc associate at Cornell University from 2004 to 2007; and as a research fellow at Lab of Physics & Structural Biology of NIH from 2007 to 2010. In 2010, he joined the Department of Physics of George Washington University as an assistant professor. Now he is an associate professor with tenure at the George Washington University. His research seeks to apply experimental techniques of physics to study the structure, function, and dynamics of biological molecules and supramolecular assemblies.


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