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Cascade sensing of gold and thiols with imidazole-bearing functional porphyrins
Joo-Ho Kim1, Young-Hwan Jeong, Hee-Jae Yoon
1Department of Chemistry, Yonsei University, 50 Yonsei-ro, Seodaemun-gu, Seoul 120-749, Korea. wdjang@yonsei.ac.kr.
Abstract:
An imidazole-bearing zinc porphyrin (PZn) has been designed for the selective detection of Au(3+), and the porphyrin and gold complex (PZn·Au(3+)) can additionally be used to identify gold-binding functional groups such as cysteine residues and other mercaptans.

