BSA and lysozyme adsorption on homoionic montmorillonite: Influence of the interlayer cation

Mathilde Lepoitevin, Maguy Jaber, Régis Guégan, Jean Marc Janot, Philippe Dejardin, François Henn, Sébastien Balme*

*この研究の対応する著者

研究成果: Article査読

50 被引用数 (Scopus)

抄録

This study aims to investigate the influence of interlayer cation alkali metal series (Li+, Na+, K+, Rb+, Cs+) and alkali earth metal (Mg2+, Ca2+, Ba2+) on adsorption of model proteins (lysozyme and bovine serum albumin). The localizations of both proteins and their conformational modifications in the interlayer space of the natural clay mineral were studied by X-ray diffraction, transmission electronic microscopy and fluorescence experiments. Based on Langmuir model isotherms, a strong influence of interlayer cation on maximum adsorbed amount and adsorption equilibrium constant has been observed. However the usual kosmotrope/chaotrope classification cannot be used to describe protein adsorption.

本文言語English
ページ(範囲)396-402
ページ数7
ジャーナルApplied Clay Science
95
DOI
出版ステータスPublished - 2014 6
外部発表はい

ASJC Scopus subject areas

  • 地質学
  • 地球化学および岩石学

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