Document Detail


Real-time monitoring of biomolecular interactions in blood plasma using a surface plasmon resonance biosensor.
MedLine Citation:
PMID:  20824425     Owner:  NLM     Status:  In-Process    
Abstract/OtherAbstract:
We report a novel approach to biosensor-based observations of biomolecular interactions which enables real-time monitoring of biomolecular interactions in complex media. This approach is demonstrated by investigating the interaction between the human chorionic gonadotropin (hCG) and its antibody in blood plasma using a surface plasmon resonance biosensor and a dispersionless microfluidics system. The real-time binding data obtained in blood plasma are compared with those obtained in buffer and blood plasma using a conventional method. It is also demonstrated that the proposed approach can enhance the capability of the biosensor to detect biomolecules in complex samples in terms of detection time and sensitivity. In the model experiment, this approach is shown to enable direct detection of hCG in blood plasma at levels which are five times lower than those detected using the conventional detection approach.
Authors:
Tomáš Špringer; Marek Piliarik; Jiří Homola
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't     Date:  2010-09-08
Journal Detail:
Title:  Analytical and bioanalytical chemistry     Volume:  398     ISSN:  1618-2650     ISO Abbreviation:  Anal Bioanal Chem     Publication Date:  2010 Nov 
Date Detail:
Created Date:  2010-10-20     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  101134327     Medline TA:  Anal Bioanal Chem     Country:  Germany    
Other Details:
Languages:  eng     Pagination:  1955-61     Citation Subset:  IM    
Affiliation:
Department of Optical Sensors, Institute of Photonics and Electronics AS CR, v. v. i., Chaberská 57, 182 51 Prague, Czech Republic.
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