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Silicon nanowires for high-sensitivity glucose detection
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10.1063/1.2206102
    + View Affiliations - Hide Affiliations
    Affiliations:
    1 Center of Super-Diamond and Advanced Films, City University of Hong Kong, Hong Kong Special Administrative Region, China and Department of Physics and Materials Science, City University of Hong Kong, Hong Kong Special Administrative Region, China
    2 Department of Biology and Chemistry, City University of Hong Kong, Hong Kong Special Administrative Region, China and Key Laboratory of Analytical for Life Science, Nanjing University, Nanjing 210093, China
    3 Department of Biology and Chemistry, City University of Hong Kong, Hong Kong Special Administrative Region, China
    4 Key Laboratory of Analytical for Life Science, Nanjing University, Nanjing 210093, China
    5 Department of Biology and Chemistry, City University of Hong Kong, Hong Kong Special Administrative Region, China
    6 Center of Super-Diamond and Advanced Films, City University of Hong Kong, Hong Kong Special Administrative Region, China and Department of Physics and Materials Science, City University of Hong Kong, Hong Kong Special Administrative Region, China
    a) Authors to whom correspondence should be addressed.
    b) Electronic mail: bhmyang@cityu.edu.hk
    c) Electronic mail: apannale@cityu.edu.hk
    Appl. Phys. Lett. 88, 213104 (2006); http://dx.doi.org/10.1063/1.2206102
/content/aip/journal/apl/88/21/10.1063/1.2206102
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View: Figures

Figures

Image of FIG. 1.
FIG. 1.

SEM images of (a) as-grown SiNWs and (b) HF-treated SiNWs.

Image of FIG. 2.
FIG. 2.

Liner sweep voltammograms of biosensors in 7.0 phosphate buffer solution without (a) and with [(b), (c), (d)] of glucose at a scan rate of . (b) SiNWs/GOx; (c) , and (d) .

Image of FIG. 3.
FIG. 3.

Typical current-time response curve for successive addition of glucose. [(a) and (b)] ; [(b) and (c)] ; [(c) and (d)] at electrode in PBS ). The operating potential is vs SCE.

Image of FIG. 4.
FIG. 4.

Calibration curves of the response current of biosensors to glucose solutions of different concentrations in PBS at (●) SiNWs/GOx, (∎) , and (◻) electrodes, respectively. The applied potential is vs SCE. Inset shows the calibration curves in the range of .

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/content/aip/journal/apl/88/21/10.1063/1.2206102
2006-05-23
2014-04-24
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Silicon nanowires for high-sensitivity glucose detection
http://aip.metastore.ingenta.com/content/aip/journal/apl/88/21/10.1063/1.2206102
10.1063/1.2206102
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