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UID:DSC-16063
DTSTART;TZID=Europe/Berlin:20190607T130000
SEQUENCE:1559254149
TRANSP:OPAQUE
DTEND;TZID=Europe/Berlin:20190607T140000
URL:https://dresden-science-calendar.de/calendar/en/detail/16063
LOCATION:IFW\, Helmholtzstraße 2001069 Dresden
SUMMARY:Walther: Static and Dynamic Bioinspired Self-Assembled Material Sys
 tems
CLASS:PUBLIC
DESCRIPTION:Speaker: Prof. Dr. Andreas  Walther\nInstitute of Speaker: IFW 
 Dresden (IIN)\nTopics:\n\n Location:\n  Name: IFW (D2E.27\, IIN)\n  Street
 : Helmholtzstraße 20\n  City: 01069 Dresden\n  Phone: \n  Fax: \nDescript
 ion: Biology is a source of inspiration for materials science by demonstra
 ting macroscopic materials with advanced functionalities and excellent mec
 hanical properties. However\, although these rather static architectures s
 timulate large interest\, even more thought-provoking are the dynamic\, ki
 netically controlled processes and temporal evolution of structures in com
 plex biological systems. These are orchestrated through feedback loops and
  require energy input and dissipation to allow non-equilibrium materials a
 nd full spatiotemporal control.   In man-made self-assemblies we have mast
 ered to a large extent near-equilibrium structure formation in space and h
 ave gained an increasing understanding of how to construct very complex\, 
 hierarchically structured soft matter by using co-assemblies\, competing i
 nteractions and hierarchical length scales. This has allowed to create rea
 l-life materials with unprecedented functionalities\, inaccessible without
  delicate control over molecular interactions and sophisticated nano- and 
 mesostructuration. The next step is to master temporal control in self-ass
 emblies. This requires kinetic control of opposing reactions (built-up/des
 truction)\, internal feedback systems or the use of energy dissipation to 
 sustain structures only as long as a chemical fuel is available. These app
 roaches keep systems forcefully away from equilibrium and potentially allo
 w neat access to temporal control.    In this talk I will present concepts
  for bioinspired material systems formed in both static and dynamic condit
 ions. The first part will deal with the formation of bioinspired and funct
 ional nanocomposite materials with interesting mechanical\, bioactive\, ma
 chanosensing and light-adaptive properties – all imposed through molecul
 ar and colloidal control levels. The second part will focus on a platform 
 concept\, which allows to program self-assembling systems outside equilibr
 ium with a lifetime by kinetic control of promoter/deactivator pairs\, ene
 rgy dissipation schemes and a simple internal feedback system. This will b
 e showcased for different self-assembling systems.
DTSTAMP:20260523T185014Z
CREATED:20190514T220935Z
LAST-MODIFIED:20190530T220909Z
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