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

12 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

All Science Journal Classification (ASJC) codes

  • Analytical Chemistry
  • Biochemistry
  • Environmental Chemistry
  • Spectroscopy

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