%0 Journal Article
%T BSA and lysozyme adsorption on homoionic montmorillonite: Influence of the interlayer cation
%+ Institut Européen des membranes (IEM)
%+ Laboratoire de Réactivité de Surface (LRS)
%+ Institut des Sciences de la Terre d'Orléans - UMR7327 (ISTO)
%+ Laboratoire Charles Coulomb (L2C)
%A Lepoitevin, Mathilde
%A Jaber, Maguy
%A Guégan, Régis
%A Janot, Jean-Marc
%A Dejardin, Philippe
%A Henn, Francois
%A Balme, Sébastien
%< avec comité de lecture
%@ 0169-1317
%J Applied Clay Science
%I Elsevier
%V 95
%P 396-402
%8 2014
%D 2014
%R 10.1016/j.clay.2014.05.003
%K Protein adsorption
%K Montmorillonite
%K Langmuir isotherm
%K Homoionic-clay
%Z Sciences of the Universe [physics]/Continental interfaces, environment
%Z Environmental Sciences/Global ChangesJournal articles
%X 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.
%G English
%2 https://insu.hal.science/insu-01017005/document
%2 https://insu.hal.science/insu-01017005/file/Manuscript_Lepoitevin-corrected.pdf
%L insu-01017005
%U https://insu.hal.science/insu-01017005
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