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Communication
Chem. Commun., 2005, 1090 - 1091, DOI: 10.1039/b415112g
Selective sensing of Cu(II) at ng ml–1 level based on phosphorescence quenching of 1-bromo-2-methylnaphthalene sandwiched in sodium deoxycholate dimer
Yu Wang, Jian-Jun Wu, Yu-Feng Wang, Li-Pin Qin and Wei-Jun Jin
Using sodium deoxycholate as a protective medium, the selective recognition of Cu(II) at ng ml–1 level is realized through dynamic phosphorescence quenching of 1-bromo-2-methylnaphthalene (BMN) without deoxygenation. The limit of detection is 4.32 ng ml–1, and the relative standard deviation is 1% at 10 µM, linear up to 1 × 10–5 M.
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