Studies on the Electrochemilluminescence of 10-(Carboxylethyl)- acridinium-9-carboxyl-phenyl-ester Iodinate

Abstract

Abstract: A study of the electrochemilluminescence(ECL) of 10-(carboxylethyl)-acridinium-9-carboxyl-phenyl-ester iodinate(CACPEI) in a neutral solution was carried out. It was found that CACPEI gives a strong ECL in KNO₃ solution when an appropriate voltage was applied on Pt electrode. The ECL signal was greatly influenced by the electrochemical parameters and the ECL reaction conditions. All the affecting factors were investigated in detail. Under the optimum conditions, the ECL intensity exhibited a good linear relationship with the concentration of CACPEI in the range of 5.0×10^-10-1.2×10^-7 g/mL. The detection limit of CACPEI was 2.4×10^-10 g/mL(S/N=3). The proposed ECL mechanism was discussed.

Key words: Electrochemilluminescence, Chemilluminescence, 10-(Carboxylethyl)-acridinium-9-carboxyl-phenyl-ester iodinate(CACPEI)

CLC Number:

O657

TrendMD:

YANG Min-Li, LIU Chuan-Zhi, HE Pin-Gang, FANG Yu-Zhi . Studies on the Electrochemilluminescence of 10-(Carboxylethyl)- acridinium-9-carboxyl-phenyl-ester Iodinate[J]. Chem. J. Chinese Universities, 2002, 23(11): 2063.

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Studies on the Electrochemilluminescence of 10-(Carboxylethyl)- acridinium-9-carboxyl-phenyl-ester Iodinate

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