期刊
ANALYTICAL BIOCHEMISTRY
卷 419, 期 2, 页码 140-144出版社
ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/j.ab.2011.08.051
关键词
Surface plasmon resonance (SPR); Biosensor; Concentration determination; Parameter identification; Kinetics
资金
- Canada Research Chair
- FQRNT (Fonds Quebecois de la Recherche sur la Nature et les Technologies)
- NSERC (Natural Sciences and Engineering Research Council)
Surface plasmon resonance-based biosensors have been applied to the determination of macromolecule concentration. Up to now, the proposed experimental approaches have relied either on the generation of a calibration curve that exploits only a few data points from each sensorgram or on multiple injections of the unknown sample at various flow rates. In this article, we show that prior knowledge of the kinetic parameters related to the interaction of the species with a given partner could advantageously reduce the number of injections required by both aforementioned methods, thereby reducing experimental time while maintaining a good level of confidence on the determined concentrations. (C) 2011 Elsevier Inc. All rights reserved.
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