Polypeptide Dynamics

  • George FloudasEmail author
  • Marian Paluch
  • Andrzej Grzybowski
  • K. L. Ngai
Part of the Advances in Dielectrics book series (ADVDIELECT, volume 1)


Abstract: Chapter 6 reviews recent efforts to investigate the hierarchical self-assembly and dynamics in an important class of biomaterials: polypeptides. Polypeptides play a vital part of the molecules designed for use in drug delivery of gene therapy and thus have been subject of intensive studies. However, their dynamic response only recently has started to be explored. In the first part we discuss the origin of the dynamic arrest of polypeptides at the glass “transition”. In this respect, pressure plays again a decisive role as it is used to identify structural and dynamic defects (i.e. solitons). Subsequently, and as a direct consequence of the first part, we discuss that, contrary to expectation and common belief, helices in concentrated polypeptide solutions are objects of low persistence. In the third part we address the effect of confinement in controlling the type, the persistence and dynamics of secondary structures.


Anodic Aluminum Oxide Glass Temperature Segmental Dynamic Backbone Dynamic Dielectric Spectroscopy 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.



We thank several people that contributed to the work presented in this chapter: Prof. N. Hadjichristidis, Prof. H. Iatrou, Prof. H.-A. Klok and Dr. H. Duran for the synthesis; Dr. M. Mondeshki and Prof. H.W. Spiess for the solid state NMR studies and for many fruifull discussions; and Dr. P. Papadopoulos and Dr. A. Gitsas for the dielectric studies.


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Copyright information

© Springer-Verlag Berlin Heidelberg 2011

Authors and Affiliations

  • George Floudas
    • 1
    Email author
  • Marian Paluch
    • 2
  • Andrzej Grzybowski
    • 2
  • K. L. Ngai
    • 3
  1. 1.Dept. PhysicsUniversity of IoanninaIoanninaGreece
  2. 2.Inst. PhysicsUniversity of SilesiaKatowicePoland
  3. 3.CNR-IPCF Associate Dipartimento di FisicaUniversitaà di PisaPisaItaly

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