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A fluorescent sensor for magnesium ions

✍ Scribed by Luca Prodi; Fabrizio Bolletta; Marco Montalti; Nelsi Zaccheroni; Paul B. Savage; Jerald S. Bradshaw; Reed M. Izatt

Publisher
Elsevier Science
Year
1998
Tongue
French
Weight
288 KB
Volume
39
Category
Article
ISSN
0040-4039

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✦ Synopsis

Diaza-18-crown-6 appended with two 5-chloro-8-hydroxyquinoline groups can serve as an effective chemosensor for Mg 2+. The modified macrocycle will fluoresce in the presence of Mg 2Γ· but not with other alkaline earth ions at pH 7.2. Mg 2+ concentrations can be measured in the presence of Na 2+, K +, Ca 2+, Sr 2+ and Ba 2+.

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