Zn 2+ fluorescent chemosensors and the influence of their spacer length on tuning Zn 2+ selectivity
TW Kim, J Park, JI Hong
Index: Kim, Tae Woo; Park, Jung-hyun; Hong, Jong-In Journal of the Chemical Society, Perkin Transactions 2, 2002 , # 5 p. 923 - 927
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Citation Number: 28
Abstract
Zn2+ fluorescent chemosensors based on the chelation-enhanced fluorescence (CHEF) mechanism were prepared and fine-tuning of their Zn2+ selectivity was achieved by control of the spacer length. The fluorescence emission response to metal ions shows a fluorescence decrease for Co2+, Cu2+ and Ni2+ and an increase for Ca2+, Cd2+ and Zn2+. Maximum Zn2+ selectivity over Ca2+ and Cd2+ was achieved with 3. The basic binding ...
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