Hybrid localized surface plasmon resonance and quartz crystal microbalance sensor for label free biosensing.
Biosens Bioelectron
; 100: 23-27, 2018 Feb 15.
Article
em En
| MEDLINE
| ID: mdl-28850824
ABSTRACT
We report on the design and fabrication of a hybrid sensor that integrates transmission-mode localized surface plasmonic resonance (LSPR) into a quartz crystal microbalance (QCM) for studying biochemical surface reactions. The coupling of LSPR nanostructures and a QCM allows optical spectra and QCM resonant frequency shifts to be recorded simultaneously and analyzed in real time for a given surface adsorption process. This integration simplifies the conventional combination of SPR and QCM and has the potential to be miniaturized for application in point-of-care (POC) diagnostics. The influence of antibody-antigen recognition effect on both the QCM and LSPR has been analyzed and discussed.
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MEDLINE
Assunto principal:
Imunoglobulina G
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Ressonância de Plasmônio de Superfície
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Anticorpos Imobilizados
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Técnicas de Microbalança de Cristal de Quartzo
Idioma:
En
Ano de publicação:
2018
Tipo de documento:
Article