A new phosphorescent chemosensor bearing Zn-DPA sites for H 2PO4 -

Hye Bin Kim, Yifan Liu, Dayoung Nam, Yinan Li, Sungnam Park, Juyoung Yoon, Myung Ho Hyun

Research output: Contribution to journalArticle

20 Citations (Scopus)

Abstract

A phosphorescence chemosensor bearing an iridium (III) complex as a communicating source and two Zn-DPA units acting as a preorganized binding site for H2PO4 - is presented. The phosphorescent chemosensor displayed a selective phosphorescence enhancement with H 2PO4 - in aqueous solution and at neutral pH. On the other hand, F-, Cl-, Br-, I-, NO3 -, CH3COO-, and ClO 4 - did not induce significant changes in phosphorescence. Furthermore, the phosphorescent chemosensor shows selectivity for H 2PO4 - over the related phosphate species, such as ATP and pyrophosphate. In addition, there was a distinct lifetime change only for H2PO4 -. The association constant was calculated to be 9.68 × 104 M-1 for H 2PO4 -.

Original languageEnglish
Pages (from-to)20-24
Number of pages5
JournalDyes and Pigments
Volume106
DOIs
Publication statusPublished - 2014 Jan 1

Fingerprint

Bearings (structural)
Phosphorescence
Iridium
Adenosinetriphosphate
Binding sites
Phosphates
Adenosine Triphosphate
Binding Sites
Association reactions

Keywords

  • Anion recognition
  • Dihydrogen phosphate sensing
  • Iridium complex
  • Phosphate sensor
  • Phosphorescence chemosensor
  • Zinc complex

ASJC Scopus subject areas

  • Chemical Engineering(all)
  • Process Chemistry and Technology

Cite this

A new phosphorescent chemosensor bearing Zn-DPA sites for H 2PO4 - . / Kim, Hye Bin; Liu, Yifan; Nam, Dayoung; Li, Yinan; Park, Sungnam; Yoon, Juyoung; Hyun, Myung Ho.

In: Dyes and Pigments, Vol. 106, 01.01.2014, p. 20-24.

Research output: Contribution to journalArticle

Kim, Hye Bin ; Liu, Yifan ; Nam, Dayoung ; Li, Yinan ; Park, Sungnam ; Yoon, Juyoung ; Hyun, Myung Ho. / A new phosphorescent chemosensor bearing Zn-DPA sites for H 2PO4 - In: Dyes and Pigments. 2014 ; Vol. 106. pp. 20-24.
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abstract = "A phosphorescence chemosensor bearing an iridium (III) complex as a communicating source and two Zn-DPA units acting as a preorganized binding site for H2PO4 - is presented. The phosphorescent chemosensor displayed a selective phosphorescence enhancement with H 2PO4 - in aqueous solution and at neutral pH. On the other hand, F-, Cl-, Br-, I-, NO3 -, CH3COO-, and ClO 4 - did not induce significant changes in phosphorescence. Furthermore, the phosphorescent chemosensor shows selectivity for H 2PO4 - over the related phosphate species, such as ATP and pyrophosphate. In addition, there was a distinct lifetime change only for H2PO4 -. The association constant was calculated to be 9.68 × 104 M-1 for H 2PO4 -.",
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AU - Li, Yinan

AU - Park, Sungnam

AU - Yoon, Juyoung

AU - Hyun, Myung Ho

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AB - A phosphorescence chemosensor bearing an iridium (III) complex as a communicating source and two Zn-DPA units acting as a preorganized binding site for H2PO4 - is presented. The phosphorescent chemosensor displayed a selective phosphorescence enhancement with H 2PO4 - in aqueous solution and at neutral pH. On the other hand, F-, Cl-, Br-, I-, NO3 -, CH3COO-, and ClO 4 - did not induce significant changes in phosphorescence. Furthermore, the phosphorescent chemosensor shows selectivity for H 2PO4 - over the related phosphate species, such as ATP and pyrophosphate. In addition, there was a distinct lifetime change only for H2PO4 -. The association constant was calculated to be 9.68 × 104 M-1 for H 2PO4 -.

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