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The infrared fingerprint signals of silica nanoparticles and its application in immunoassay
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10.1063/1.3673549
/content/aip/journal/apl/100/1/10.1063/1.3673549
http://aip.metastore.ingenta.com/content/aip/journal/apl/100/1/10.1063/1.3673549
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

FTIR transmittance spectra of SiO2 nanoparticles (a) in the full IR region and (b) in the fingerprint region. The inset of (a) shows the TEM image of SiO2 nanoparticles.

Image of FIG. 2.
FIG. 2.

(Color online) FTIR-RA spectra of SiO2 nanoparticles at incidence angle of (a) 60°, (b) 70°, (c) 80°, and (d) 85°.

Image of FIG. 3.
FIG. 3.

FTIR-RA spectrum from the sandwich-structured immunoassay system (40 nM human IgG).

Image of Scheme 1.
Scheme 1.

(Color online) Schematic of (a) the preparation of the analyte/probe complex, (b) the immobilization of protein on gold substrate, and (c) SiO2 nanoprobe based immunoassay process.

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/content/aip/journal/apl/100/1/10.1063/1.3673549
2012-01-03
2014-04-19
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: The infrared fingerprint signals of silica nanoparticles and its application in immunoassay
http://aip.metastore.ingenta.com/content/aip/journal/apl/100/1/10.1063/1.3673549
10.1063/1.3673549
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