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IRTG / Soft Matter Science
Freiburger Materialforschungszentrum
Stefan-Meier-Str. 21
79104 Freiburg, Germany


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You are here: Home Events Helmut Schlaad "Poly(2-oxazoline)s as “smart” bioinspired polymers"

Helmut Schlaad "Poly(2-oxazoline)s as “smart” bioinspired polymers"

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Max Planck Institute of Colloids and Interfaces, Department of Colloid Chemistry, Research Campus Golm, 14424 Potsdam, Germany

  • Seminar
When May 11, 2011
from 02:15 PM to 03:00 PM
Where “Hörsaal Makromolekulare Chemie”, Stefan-Meier-Str.31, Freiburg
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Bioorganic-synthetic copolymers (or biohybrids) are interesting materials for the bioinspired generation of “smart” functional colloids and hierarchical structures, for usage in for instance life science or materials science applications.

Thermoresponsive biohybrid glycopolymers based on poly(2-oxazoline)s can be readily synthesized by combination of living cationic ring-opening polymerization of 2-alkyl-2-oxazolines (alkyl = butenyl and isopropyl, etc.) and thiol-ene “click” photoaddition of thio-sugar derivatives. The (co)polymers can self-assemble into vesicles, tubes, or microspheres in dilute aqueous solution, depending on their molecular structure and the nature of interactions. Polymer vesicles are formed via hydrophobic interactions, whereas tubes are formed via hydrogen bonding. Micronsized spheres built of nanofibers (Figure 1) are produced through a crystallization process in hot aqueous solution. Mechanisms of self-assembly and interactions of glycopolymer colloids with lectins will be discussed.


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