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Scintillation-based potassium signalling using 2,5-diphenyloxazole-tagged aza-18-crown-6
Bruce Clapham1, Andrew J Sutherland
1Aston University, Aston Triangle, Birmingham, UK B4 7ET.
Chemical Communications (Cambridge, England)
|March 4, 2003
Abstract:
In the presence of ionising radiation, an aza-18-crown-6 molecule covalently attached to a 2,5-diphenyloxazole (PPO) moiety scintillates weakly, addition of potassium ions results in enhanced levels of scintillation, the degree of scintillation reflecting the concentration of the potassium ions.