Specific Protein Detection in Multiprotein Coexisting Environment by Using LSPR Biosensor

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Specific protein detection in multiprotein coexisting environment by localized surface plasmon resonance (LSPR) biosensor is studied. After the surfaces of self-assembly fabricated triangular Ag nanoparticles on the chip are activated, a specific biological molecule layer with δ-toxic protein identifying function is linked to the chip. Based on the LSPR spectrometer measurement system in our laboratory, δ-toxic protein in sonicated Bacillus thuringiensis cell fractions (which consists of many kinds of proteins) is detected successfully by measuring the extinction spectrum of the chip.

Published in:
Nanotechnology, IEEE Transactions on (Volume:9 , Issue: 5 )

Date of Publication: Sept. 2010

Page(s):: 554 - 557
ISSN :: 1536-125X
INSPEC Accession Number:: 11520014
Digital Object Identifier :: 10.1109/TNANO.2010.2050698
Product Type:: Journals & Magazines

Date of Publication :: 27 May 2010
Date of Current Version :: 07 September 2010
Issue Date :: Sept. 2010
Sponsored by :: IEEE Nanotechnology Council

Author(s)

Shuhong Li
State Key Lab. of Opt. Technol. for Microfabrication, Chinese Acad. of Sci., Chengdu, China
Shaoyun Yin ; Yueyun Jiang ; Changcheng Yin ; Qiling Deng ; Chunlei Du