Use of surface plasmon resonance (SPR) to study the dissociation and polysaccharide binding of casein micelles and caseins |
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Authors: | Thompson Abby K Singh Harjinder Dalgleish Douglas G |
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Affiliation: | The Riddet Institute, Massey University, Palmerston North, New Zealand. |
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Abstract: | Tests were made to determine whether surface plasmon resonance (SPR) could be used as a technique to study the dissociation properties of bovine casein micelles or of sodium caseinate and the interactions between these protein particles and different polysaccharides. Surfaces of bound micelles or caseinate were made, and the changes in refractive index of these layers were used to define changes in the structures of the chemisorbed material. The technique appears to have some potential for studying details of the dissociation of casein micelles and of the binding of different polysaccharides to caseins. |
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