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DESCRIPTION:Abstract:\n\n \n\nThis presentation will describe our efforts i
 n developing and applying single-molecule manipulation and imaging approac
 hes to study living polymerization reactions of single polymer chains down
  to single-monomer resolution. In the first part\, I will describe our wor
 k in using magnetic tweezers to track single polymer growth in real time a
 nd the discovery of nonequilibrium conformational entanglements that play 
 key roles in controlling polymerization kinetics. In the second part\, I w
 ill describe a new fluorescence-based imaging technique that enables follo
 wing polymerization of individual polymers at single-monomer resolution\, 
 leading to microscopic sequencing of synthetic copolymers and discovery of
  copolymer sequence patterns.\n\n \n\nBio:\n\nPeng Chen has been the Peter
  J.W. Debye Professor of Chemistry at Cornell University since 2013. He re
 ceived his B.S. in Chemistry from Nanjing University\, China in 1997. Afte
 r a year at University of California\, San Diego with Prof. Yitzhak Tor le
 arning organic synthesis\, he moved to Stanford University and did his Ph.
 D. with Prof. Edward Solomon in bioinorganic/physical inorganic chemistry.
  In January 2004\, he joined Prof. Sunney Xie’s group at Harvard Universit
 y for postdoctoral research in single-molecule biophysics. He started his 
 faculty appointment at Cornell University in July 2005. During his indepen
 dent career\, his research group pioneered the study of single-nanoparticl
 e catalysis\, electrocatalysis\, and photoelectrocatalysis\; of living pol
 ymerizations by single molecular catalysts\; and of biological inorganic s
 ystems in vitro and in living cells\; using single-molecule/particle imagi
 ng and manipulation methods. His current research interests are on heterog
 eneous and homogeneous catalysis\, metal homeostasis machineries in vitro 
 and in living cells\, as well as energy conversion processes in bacteria.
 \n\nHe has received Dreyfus New Faculty Award\, NSF Career Award\, Sloan F
 ellowship\, Paul Saltman Award\, Coblentz Award\, ACS Early-Career Award i
 n Experimental Physical Chemistry\, Excellence in Catalysis Award from the
  Catalysis Society of Metro NY\, Bau Family Award in Inorganic Chemistry\,
  Chemical Pioneer Award\, etc.\, and was elected a fellow of AAAS. He has 
 given many named lectures\, including Sessler Distinguished Alumni Lecture
  at Stanford University and Brian Bent Lecture at Columbia University\, as
  well as many plenary and keynote lectures at international conferences. H
 e serves on the editorial advisory boards of many journals. He is an Assoc
 iate Editor of Chemical & Biomedical Imaging\, an ACS journal. He has also
  served on many US and international grant review panels and is a standing
  member and later chairperson of the NIH Enabling Bioanalytical and Imagin
 g Technologies (EBIT) Study Section from 2017-2023.\n
DTSTART:20240409T170000Z
DTEND:20240409T183000Z
LOCATION:OM 10
SUMMARY:Chemical Society Seminar: Peng Chen- Single polymer growth dynamics
  at single-monomer resolution
URL:/chemistry/channels/event/chemical-society-seminar
 -peng-chen-single-polymer-growth-dynamics-single-monomer-resolution-354060
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