An ultrasensitive micro ion selective arrays for multiplex heavy metal ions detection

Rui You, Peng Li, Gaoshan Jing, Lei Wang, Tianhong Cui

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

1 Scopus citations

Abstract

A micro ion selective electrode (μISE) array to realize multiplex detection of heavy metal ions on one chip is reported in this paper. The micrometer scale device array derived from microfabrication processes demonstrated enhanced sensitivity, uniformity, and reduced response time compared to conventional ISE devices. Its detection limit for Pb2+, Cd2+, AsO2-, and Hg2+ can reach ppb level, within the permissible limits of drinking water. Our device demonstrates superb selectivity, and it is capable of detecting heavy metal ions in a wide range of temperature and pH value after calibration.

Original languageEnglish (US)
Title of host publicationMicroTAS 2015 - 19th International Conference on Miniaturized Systems for Chemistry and Life Sciences
PublisherChemical and Biological Microsystems Society
Pages1740-1742
Number of pages3
ISBN (Electronic)9780979806483
StatePublished - Jan 1 2015
Event19th International Conference on Miniaturized Systems for Chemistry and Life Sciences, MicroTAS 2015 - Gyeongju, Korea, Republic of
Duration: Oct 25 2015Oct 29 2015

Publication series

NameMicroTAS 2015 - 19th International Conference on Miniaturized Systems for Chemistry and Life Sciences

Other

Other19th International Conference on Miniaturized Systems for Chemistry and Life Sciences, MicroTAS 2015
CountryKorea, Republic of
CityGyeongju
Period10/25/1510/29/15

Keywords

  • Heavy metal ions
  • ISE array
  • Microfabrication

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