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New approaches for the analysis of molecular recognition using the IAsys evanescent wave biosensor
Author(s) -
Lowe Peter A.,
Alwyn Clark Tristan J. H.,
Davies Robert J.,
Edwards Paul R.,
Kinning Tim,
Yeung Debra
Publication year - 1998
Publication title -
journal of molecular recognition
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.401
H-Index - 79
eISSN - 1099-1352
pISSN - 0952-3499
DOI - 10.1002/(sici)1099-1352(199812)11:1/6<194::aid-jmr422>3.0.co;2-t
Subject(s) - biosensor , analyte , biomolecule , cuvette , molecular recognition , chemistry , molecular binding , biological system , dissociation constant , evanescent wave , dissociation (chemistry) , nanotechnology , analytical chemistry (journal) , chromatography , materials science , molecule , optoelectronics , organic chemistry , optics , biochemistry , physics , receptor , biology
Trends in the analysis of molecular recognition using the IAsys evanescent wave biosensor are outlined. Diversification of sensor surface chemistry, an open cuvette format and the advent of robotics controlled by intelligent software are widening the range and throughput of applications. Analyses of binding and dissociation are now carried out across a wide spectrum of biomolecules, including protein, nucleic acid, carbohydrate and lipid. Determinations are obtained from a range of experimental formats. These include qualitative ‘yes/no’ screening assays, through semi quantitative ranking of kinetic association, dissociation and equilibrium constants for a family of binding partners, to deriving constants comparable with those which would be obtained in free solution. A dependence of the initial rate of biomolecular association on concentration allows analyte concentration to be measured—an increasingly common application class. This is often employed in situations where a rapid determination is required. The ability to recover bound analyte from the sensor surface in sufficient amounts for subsequent characterization is opening up new routes to the parallel analysis of structure and function. Copyright © 1998 John Wiley & Sons, Ltd.