Chemiluminescent lateral-flow immunoassays by using in-situ synthesis of CdS NW photosensor

Byoung Gi An, Hong Rae Kim, Min Jung Kang, Jae Gwan Park, Young Wook Chang, Jae Chul Pyun

Research output: Contribution to journalArticle

10 Citations (Scopus)

Abstract

A hypersensitive CdS nanowire (NW) photosensor was fabricated by an in-situ synthesis process that involved the direct synthesis of CdS NWs on an interdigitated electrode (IDE). Analysis of the photoresponse properties showed that the newly synthesized photosensor had enhanced sensitivity and a highly reproducible photoresponse compared to photosensors prepared from CdS NW suspensions. The NW photosensor was applied to measure the chemiluminescence of luminol, and the sensitivity was compared to a commercial photosensing system. Finally, the feasibility of the CdS NW photosensor for the application to the medical diagnosis of the human hepatitis B surface antigen (hHBsAg) was demonstrated using a lateral-flow immunoassay with a chemiluminescent signal band.

Original languageEnglish
Pages (from-to)99-106
Number of pages8
JournalAnalytica Chimica Acta
Volume927
DOIs
Publication statusPublished - 2016 Jul 13

Fingerprint

Nanowires
hepatitis
immunoassay
antigen
Immunoassay
electrode
Luminol
Chemiluminescence
Hepatitis B Surface Antigens
Luminescence
Suspensions
Electrodes
in situ
analysis

All Science Journal Classification (ASJC) codes

  • Analytical Chemistry
  • Biochemistry
  • Environmental Chemistry
  • Spectroscopy

Cite this

An, Byoung Gi ; Kim, Hong Rae ; Kang, Min Jung ; Park, Jae Gwan ; Chang, Young Wook ; Pyun, Jae Chul. / Chemiluminescent lateral-flow immunoassays by using in-situ synthesis of CdS NW photosensor. In: Analytica Chimica Acta. 2016 ; Vol. 927. pp. 99-106.
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Chemiluminescent lateral-flow immunoassays by using in-situ synthesis of CdS NW photosensor. / An, Byoung Gi; Kim, Hong Rae; Kang, Min Jung; Park, Jae Gwan; Chang, Young Wook; Pyun, Jae Chul.

In: Analytica Chimica Acta, Vol. 927, 13.07.2016, p. 99-106.

Research output: Contribution to journalArticle

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