L-Phenylalanine Oligopeptides Grafted Poly(Acrylic Acid). Evidence of Specific Interactions of Ethidium Bromide and Acridine Orange with Hydrophobic Microdomains.

  • J. Beaumais
  • Th. Ackermann
Part of the Polymer Science and Technology book series (NISS, volume 30)

Abstract

Hydrophobic moieties were introduced along the macromolecular chains of a hydrophilic polymer, i.e. poly(acrylic acid) (PAA), through the partial grafting (τ ≃ 10%) of L-phenylalanine (Phe) and some of its oligopeptides (Phen) (1⩽n⩽4). The overall conformational state of these new water-soluble polyelectrolytes was evaluated from potentiometric and viscometric data. Hydrophobic domains, mainly due to Phen aromatic moieties, lead, at low ionization, to the stabilization of compact states of the polymeric chains.

Keywords

Surfactant Hydrolysis Urea Amide Titration 

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Copyright information

© Plenum Press, New York 1985

Authors and Affiliations

  • J. Beaumais
    • 1
  • Th. Ackermann
    • 2
  1. 1.Laboratoire de Chimie MacromoléculaireERA 471 Université de RouenMont Saint AignanFrance
  2. 2.Institut für Physikalische Chemie IIder Universität FreiburgFreiburgGermany

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