4.7 Article

A fluorescent sensor for pyrophosphate based on a Pd(II) complex

Journal

DALTON TRANSACTIONS
Volume 39, Issue 30, Pages 7114-7118

Publisher

ROYAL SOC CHEMISTRY
DOI: 10.1039/c0dt00434k

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Funding

  1. Swiss National Science Foundation
  2. China Scholarship Council (CSC)
  3. EPFL

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A mixture of the Pd(II) complex [Pd(NO3)(2)(bipy)] (bipy = 2,2'-bipyridine) and the fluorescent dye Methylcalcein blue (MCB) constitutes a chemosensing ensemble which can be used for the detection of pyrophosphate (PPi) by fluorescence spectroscopy. The sensor operates in buffered aqueous solution at neutral pH, and allows sensing PPi at low to mid micromolar concentrations with very good selectivity over other anions such as phosphate, acetate, nitrate, sulfate, chloride, and bicarbonate.

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