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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2020.1
- 수록면
- 268 - 278 (11page)
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The passivation layers of an in situ-synthesized cadmium sulfide (CdS) nanowire (NW) photosensor were prepared for two reasons: (1) to improve the physical stability of the NW on an interdigitated electrode and (2) to enhance the immobilization efficiency of proteins for the on-chip immunoassay. The passivation layer was estimated to have suitable optical properties, and the photoresponse of photosensor was increased after the formation of passivation layer. The immobilization efficiency of a parylene-H film through covalent bonding was compared with the immobilization of Z-domains through physical adsorption. Finally, on-chip chemiluminescent immunoassay of bacteria was carried out by immobilizing antibodies against Escherichia coli through Z-domains for the orientation control of antibodies. The limit of detection was determined to be less than 104 E. coli/mL (n=3), and the sensitivity of bacterial detection was estimated to be 0.339 pA/E. coli/mL (n=3) with a linearity factor (R2) of 0.999. These results showed that the on-chip chemiluminescent immunoassay for bacterial detection could be performed using passivation layer coated CdS NW photosensor.
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참고문헌 (32)
참고문헌 신청
Blank, T. / 2003 / Semiconductor photoelectric converters for the ultraviolet region of the spectrum / Semiconductors 37:999~1030
Gao, T. / 2005 / CdS nanobelts as photoconductors / Appl. Phys. Lett 86:173105
Hoang, T. B. / 2006 / Temperature dependent photoluminescence of single CdS nanowires / Appl. Phys. Lett 89:123123
Jie, J. / 2006 / Photoconductive characteristics of single-crystal CdS nanoribbons / Nano Lett. 6:1887~1892
Hong-Rae Kim / 2019 / Characterization of in-situ Synthesized CdSxSe1-x Ternary Alloy Nanowire Photosensor / 한국세라믹학회지 56(3):308~316
Gao, T. / 2005 / CdS nanobelts as photoconductors / Appl. Phys. Lett 86:173105
Hoang, T. B. / 2006 / Temperature dependent photoluminescence of single CdS nanowires / Appl. Phys. Lett 89:123123
Jie, J. / 2006 / Photoconductive characteristics of single-crystal CdS nanoribbons / Nano Lett. 6:1887~1892
Hong-Rae Kim / 2019 / Characterization of in-situ Synthesized CdSxSe1-x Ternary Alloy Nanowire Photosensor / 한국세라믹학회지 56(3):308~316
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