Optical sensors based on nanostructured cage materials for the detection of toxic metal ions

Tatineni Balaji, Sherif A. El-Safty, Hideyuki Matsunaga, Takaaki Hanaoka, Fujio Mizukami

Research output: Contribution to journalArticle

195 Citations (Scopus)

Abstract

Seeing red: Highly sensitive and selective chemical sensing systems were developed for the naked-eye detection of toxic ions by the direct and indirect postgrafting of hydrophilic and hydrophobic chromophores into spherically nanosized cavities of cubic Fm3m monoliths (HOM-C10). This leads to reliable control over the visual detection of toxic metals such as PbII, CdII, SbIII, and HgII ions at a low concentrations (≈10-9 M). DZ = diphenylthiocarbazone. (Figure Presented).

Original languageEnglish
Pages (from-to)7202-7208
Number of pages7
JournalAngewandte Chemie - International Edition
Volume45
Issue number43
DOIs
Publication statusPublished - 2006 Nov 3
Externally publishedYes

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Poisons
Optical sensors
Metal ions
Dithizone
Ions
Chromophores
Metals

Keywords

  • Cage monoliths
  • Colorimetry
  • Environmental chemistry
  • Sensors
  • Toxic metal ions

ASJC Scopus subject areas

  • Chemistry(all)

Cite this

Optical sensors based on nanostructured cage materials for the detection of toxic metal ions. / Balaji, Tatineni; El-Safty, Sherif A.; Matsunaga, Hideyuki; Hanaoka, Takaaki; Mizukami, Fujio.

In: Angewandte Chemie - International Edition, Vol. 45, No. 43, 03.11.2006, p. 7202-7208.

Research output: Contribution to journalArticle

Balaji, Tatineni ; El-Safty, Sherif A. ; Matsunaga, Hideyuki ; Hanaoka, Takaaki ; Mizukami, Fujio. / Optical sensors based on nanostructured cage materials for the detection of toxic metal ions. In: Angewandte Chemie - International Edition. 2006 ; Vol. 45, No. 43. pp. 7202-7208.
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