Multiarray sensors for pesticides and toxic metals

Hongwu Xu, Mariam Masila, Fei Yan, Omowunmi A. Sadik

Research output: Contribution to journalConference articlepeer-review

2 Scopus citations

Abstract

Different sensing systems suitable for the determination of pesticides, metals and chlorinated organic compounds are described. The systems are based on the use of conjugated polymers and biological components that are sensitive to compounds commonly used as pesticides, chlorinated phenoxy herbicides or industrial chemicals. Biological molecules were immobilized on various carriers and were integrated in multiarray formats or in automated flow-through systems. This work describes the synthesis and characterization of polymers, biological conjugates and metabolites for the detection of a range of toxic chemicals, including chlorinated phenols, s-triazine herbicides, polychlorinated biphenyls, and heavy metals. The characteristic features of the different formats are given including a new promising approach for heavy metal detection using o-hydroxypyridylazo metal-protein conjugates.

Original languageEnglish (US)
Pages (from-to)437-445
Number of pages9
JournalProceedings of SPIE - The International Society for Optical Engineering
Volume3534
StatePublished - 1999
Externally publishedYes
EventProceedings of the 1998 Environmental Monitoring and Remediation Technologies - Boston, MA, USA
Duration: Nov 2 1998Nov 5 1998

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Computer Science Applications
  • Applied Mathematics
  • Electrical and Electronic Engineering

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