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SUMMARY:Out-of-equilibrium Integration of Molecular Machines
DTSTART:20180514T131500
DTEND:20180514T141500
DTSTAMP:20260922T040712Z
UID:164d2f53132b4c55d11b26c1bcce1bb70de3f2bc7d454ccb21bd079a
CATEGORIES:Conferences - Seminars
DESCRIPTION:Prof. Nicolas Giuseppone\, University of Strasbourg France\nAb
 stract: Making molecular machines that can be useful in the macroscopic wo
 rld is a challenging long-term goal of nanoscience. Inspired by the protei
 n machinery found in biological systems\, and based on the theoretical und
 erstanding of the physics of motion at the nanoscale\, organic chemists ha
 ve developed a number of molecules that can produce work when triggered by
  various external chemical or physical stimuli. In particular\, basic mole
 cular switches that commute between at least two thermodynamic minima and 
 more advanced molecular motors that behave as dissipative units working fa
 r from equilibrium when fueled with external energy have been reported. Ho
 wever\, the ultimate challenge of coordinating individual molecular motors
  in a continuous mechanical process that can have a measurable effect at t
 he macroscale has remained elusive until very recently. We will discuss ad
 vances developed by our group on artificial molecular machines and involvi
 ng their mechanical coupling within dynamic polymer systems. We will show 
 that it is now possible to amplify their individual motions to achieve mac
 roscopic functions in materials. In particular\, we will present a dual-li
 ght controlled system operating fully out-of-equilibrium\, and in which th
 e integrated motions of two types of mechanically active units can be tune
 d by modulation of frequencies.\n \nSelected references:\n \n[1]   G. 
 Du\, E. Moulin\, N. Jouault\, E. Buhler\, N. Giuseppone\nAngew. Chem. Int.
  Ed. 2012\, 51\, 12504.\n \n[2]   Goujon\, A.\, Du\, G.\, Moulin\, E.\, 
 Fuks\, G.\, Maaloum\, M.\, Buhler\, E.\, Giuseppone\, N.\nAngew. Chem. Int
 . Ed.  2016\, 55\, 703.\n \n[3]   Goujon\, A.\, Mariani\, G.\, Lang\, 
 T.\, Moulin\, E.\, Rawiso\, M.\, Buhler\, E.\, Giuseppone\, N.\nJ. Am. Che
 m. Soc. 2017\, 139\, 4923.\n \n[4]   Goujon\, A.\, Lang\, T.\, Mariani\
 , G.\, Moulin\, E.\, Fuks\, G.\, Raya\, J.\, Buhler\, E.\, Giuseppone\, N.
 \nJ. Am. Chem. Soc. 2017\, 139\, 14825.\n \n[5]   Li\, Q.\, Fuks\, G.\,
  Moulin\, E.\, Maaloum\, M.\, Rawiso\, M.\, Kulic\, I.\, Foy\, J. T.\, Giu
 seppone\, N.\nNature Nanotech. 2015\, 10\, 161.\n \n[6]   Foy\, J.\, Li
 \, Q.\, Goujon\, A.\, Colard-Otté\, J.-R.\, Fuks\, G.\, Moulin\, E.\, Sch
 iffmann\, O.\, Dattler\, D.\, Funeriu\, D. P.\, Giuseppone\, N.\nNature Na
 notech. 2017\, 12\, 540.\n\nBio: Prof. Nicolas Giuseppone is director of t
 he Research Federation on Materials and Nanoscience of Strasbourg. He rece
 ived his PhD in asymmetric catalysis (laboratory of Prof. H.B. Kagan)\, pe
 rformed a post-doctoral research in total synthesis (laboratory of Prof. K
 .C. Nicolaou)\, and entered the field of supramolecular chemistry as a CNR
 S researcher (laboratory of Prof. J.-M. Lehn). In 2008 he started his own 
 research group\, and was awarded an ERC Starting Grant from the European R
 esearch Council in 2010. In 2013 he was nominated as a junior member of th
 e Institut Universitaire de France (IUF)\, and promoted Distinguished Prof
 essor at the University of Strasbourg in 2016.\nHis research interests are
  focused on supramolecular chemistry\, molecular machines and functional m
 aterials.\n 
LOCATION:MXF 1 https://plan.epfl.ch/?room==MXF%201
STATUS:CONFIRMED
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