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Insoluble polyelectrolyte complex formed from chitosan and α‐keratose: conformational change of α‐keratose
Author(s) -
Park Won Ho,
Lee Kuen Yong,
Ha Wan Shik
Publication year - 1996
Publication title -
macromolecular chemistry and physics
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.57
H-Index - 112
eISSN - 1521-3935
pISSN - 1022-1352
DOI - 10.1002/macp.1996.021970709
Subject(s) - polyelectrolyte , differential scanning calorimetry , helix (gastropod) , chitosan , polymer chemistry , chemistry , crystallography , materials science , chemical engineering , thermodynamics , polymer , organic chemistry , physics , ecology , biology , snail , engineering
The conformational change of α‐keratose in the polyelectrolyte complex (PEC) formation with chitosan was investigated by means of differential scanning calorimetry and infrared spectroscopy. The change of the secondary structure of α‐keratose in the reaction mixture was estimated quantitatively with circular dichroic spectra by the curve fitting method. The α‐helix structure of 30% and above of α‐keratose was found to be destructed and transformed into random structures at a mixing ratio of maximum PEC formation.