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The immunostimulating factor (ISTF) plays an important role in immunopathologic changes associated with Actinobacillus actinomycetemcomitans where it is located in the outer cell membrane. We describe a novel method by which ISTF can be monitored using a protein chip system based on surface plasmon resonance (SPR). The affinity of ISTF to its monoclonal antibodies and other proteins was compared....
Pirkle-type chiral stationary phases (CSPs) showed excellent enantiomeric separation for amino acid derivatives by forming energetically different two transient diastereomeric π–π donor–acceptor complexes with two enantiomers. A CSP derived from N-(3,5-dinitrobenzoyl) leucine with a thiol ending group for immobilization on Au was synthesized and self-assembled on Au surface as chiral sensing layer...
Membrane proteins possess significant hydrophobic domains and are likely to deplete their native activity immobilized on the solid surface relative to those occurring in a membrane environment. To investigate an efficient immobilization method, calix[4]crown-ether monolayer as an artificial protein linker system was constructed on the gold surface and characterized by Fourier transform infrared reflection...
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