Tunable chemical sensors: Light-switched ion selective electrodes on the basis of a photoresponsive calix [4] arene

Gang Deng, Toru Sakaki, Yohko Kawahara, Seiji Shinkai

Research output: Contribution to journalArticle

17 Citations (Scopus)

Abstract

Immobilization of a novel photoresponsive ionophoric calix [4]arene (1) in plasticized poly (vinyl chloride) membranes provided new Switch-functionalized Ion Selective Electrodes (SISEs). In comparison with the conventional ion selective electrodes technique, one significant advantage was obtained that the SISEs method can reversibly regulate the selectivity from one target ion to other ions by external light irradiation. Ion selectivity studies demonstrated that the electrodes using ligand 1 plasticized with tris(2-ethylhexyl) phosphate or di(2-ethylhexyl) phthalate showed affinity for Li+ ion or Cs+ ion, respectively, against other alkali and alkaline earth metal ions in the dark whereas the excellent Na+ ion selectivity appeared upon 365 nm irradiation. This is a new methodology to assign one electrode to detect two metal ions.

Original languageEnglish
Pages (from-to)71-76
Number of pages6
JournalSupramolecular Chemistry
Volume2
Issue number1
DOIs
Publication statusPublished - Jan 1 1993
Externally publishedYes

Fingerprint

Ion selective electrodes
Chemical sensors
Ions
Metal ions
Alkaline Earth Metals
Switches
Irradiation
Vinyl Chloride
Electrodes
Alkalies
calix(4)arene
Ligands
Membranes

All Science Journal Classification (ASJC) codes

  • Chemistry(all)

Cite this

Tunable chemical sensors : Light-switched ion selective electrodes on the basis of a photoresponsive calix [4] arene. / Deng, Gang; Sakaki, Toru; Kawahara, Yohko; Shinkai, Seiji.

In: Supramolecular Chemistry, Vol. 2, No. 1, 01.01.1993, p. 71-76.

Research output: Contribution to journalArticle

Deng, Gang ; Sakaki, Toru ; Kawahara, Yohko ; Shinkai, Seiji. / Tunable chemical sensors : Light-switched ion selective electrodes on the basis of a photoresponsive calix [4] arene. In: Supramolecular Chemistry. 1993 ; Vol. 2, No. 1. pp. 71-76.
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