Text-displaying competitive immunochromatographic strips enabling naked-eye semi-quantitative analysis

Kazushi Misawa, Tomohiro Yamamoto, Daiki Watanabe, Yuki Hiruta, Hiroki Yamazaki, Daniel Citterio

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

Competitive lateral flow immunochromatographic assays (LFIAs) enabling naked-eye semi-quantitative result readout in the form of “text” have been developed. User operation is limited to sample application, followed by direct reading of assay results written in text representing the target concentration. LFIA strips enabled the detection of 8-hydroxy-2’-deoxyguanosine (8-OHdG) at concentrations down to 5 ng/mL, which is comparable to existing immunochromatography using external readout equipment. The system is readily adaptable to other analytical targets and allows for high flexibility in text design and detectable analyte concentrations. The simple assay handling and intuitive data interpretation offer great potential for point-of-care testing applications.

Original languageEnglish
Title of host publication22nd International Conference on Miniaturized Systems for Chemistry and Life Sciences, MicroTAS 2018
PublisherChemical and Biological Microsystems Society
Pages1022-1025
Number of pages4
ISBN (Electronic)9781510897571
Publication statusPublished - 2018 Jan 1
Event22nd International Conference on Miniaturized Systems for Chemistry and Life Sciences, MicroTAS 2018 - Kaohsiung, Taiwan, Province of China
Duration: 2018 Nov 112018 Nov 15

Publication series

Name22nd International Conference on Miniaturized Systems for Chemistry and Life Sciences, MicroTAS 2018
Volume2

Conference

Conference22nd International Conference on Miniaturized Systems for Chemistry and Life Sciences, MicroTAS 2018
CountryTaiwan, Province of China
CityKaohsiung
Period18/11/1118/11/15

Keywords

  • 8-OHdG
  • Competitive immunochromatography
  • Semi-quantitative
  • Text-displaying

ASJC Scopus subject areas

  • Chemistry(all)
  • Bioengineering
  • Chemical Engineering (miscellaneous)
  • Control and Systems Engineering

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