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The electrochemical behavior of 5-methoxy-1 -indole-3 -acetic acid MIAA has been studied by Osteryoung square wave voltammetry. In the NH3-NH4Cl buffer solution ( pH = 9.2 an irreversible anodic oxidation peak of MIAA is obtained, and the peak potential is at + 0.5 V (vs. Ag/AgCl). The peak current has a well linear relationship to the concentration of MIAA in the range of 4.0 x 10(-6)-1.0 x 10(-4) mol/L. The detection limit is 9.8 x 10(-7) mol/L, and the RSD is 3.5%. This method has been applied in the rapid detection of MIAA within 10min in urine samples with good recoveries (91% - 99%). It was proved to be prospective in the evaluation of pineal gland function.
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CHINESE JOURNAL OF ANALYTICAL CHEMISTRY
ISSN： 0253-3820
CN： 22-1125/O6
Year： 2007
Issue： 8
Volume： 35
Page： 1155-1158
0 . 5 1 3
JCR@2007
1 . 2 0 0
JCR@2023
ESI Discipline： CHEMISTRY;
JCR Journal Grade：4
Cited Count：
SCOPUS Cited Count：
ESI Highly Cited Papers on the List： 0 Unfold All
WanFang Cited Count：
Chinese Cited Count：
30 Days PV： 1
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