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SUMMARY:Bio-inspired metal-coordination crosslinking: easy access to broad
  dynamics when engineering polymer gel mechanics
DTSTART:20180528T131500
DTEND:20180528T141500
DTSTAMP:20260413T193958Z
UID:54b82950f489290470574ac145f51a0d3611165c7117a4435b20d684
CATEGORIES:Conferences - Seminars
DESCRIPTION:Prof. Niels Holten-Andersen\, Laboratory for Bio-Inspired Inte
 rfaces (LBI) at MIT USA\nEfforts to engineer polymer material mechanics is
  increasingly coupled to the design of transient\ncrosslink dynamics. We h
 ave sought to gain a deeper understanding of how polymer gel\nmechanical p
 roperties can be controlled over multiple hierarchical time-scales via des
 ign of bioinspired\nmetal-coordinate crosslink structure on multiple lengt
 h-scales. By utilizing metal ioncoordination\ncomplexes and metal nanopart
 icle-coordination junctions as supra-molecular\ncrosslink structures\, we 
 have gained unique access to network dynamics on the microscopic\nscale\, 
 and thereby opportunities to broadly shape the distribution of network str
 ess relaxation on\nthe macroscopic scale. Our findings offer deeper insigh
 ts on how to engineer gel stress relaxation\nmechanics directly via design
  of supramolecular crosslink structure dynamics\, and could help\nimprove 
 our understanding of spatio-temporal molecular hierarchy in loadbearing bi
 ological\nmaterials.\nLi\, Q.\, Barrett\, D. G.\, Messersmith\, P. B. & Ho
 lten-Andersen\, N. Controlling hydrogel\nmechanics via bioinspired polymer
 -nanoparticle bond dynamics. ACS Nano 2016\, 10\, 1317-\n1324\, DOI: 10.10
 21/acsnano.5b06692\nGrindy\, S. C.\, Learsch\, R.\, Mozhdehi\, D.\, Cheng\
 , J.\, Barrett\, D. G.\, Guan\, Z.\, Messersmith\, P. B.\n& Holten-Anderse
 n\, N. Control of hierarchical polymer mechanics with bioinspired metalcoo
 rdination\ndynamics. Nature Materials 2015\, 14\, 1210-1216\, DOI:10.1038/
 nmat4401\n\nBio:\nDoherty Professor in Ocean Utilization\, DMSE\, MIT\, 20
 14-Current\nJohn Chipman Assistant Professor\, DMSE\, MIT\, 2012-2014 Asso
 ciate Professor\, Program in Polymers and Soft Matter\, MIT\, 2012-Current
  Post-Doc University of Chicago\, 2008-2012 Ph.D. Biomolecular Science and
  Engineering\, University of California-Santa Barbara\, 2008\nM.Sc. Cell B
 iology\, University of Copenhagen\, 2001 B.Sc.Hon. Molecular Biology\, Uni
 versity of Canterbury\, 2000\nB.Sc. Biology\, University of Copenhagen\, 1
 998
LOCATION:MXF 1 https://plan.epfl.ch/?room==MXF%201
STATUS:CONFIRMED
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