A turn-on dansyl-based fluorescent chemosensor for the recognition of Pb2+

被引：8
|
作者：
Li, Chia-Lin [1 ]
Lu, Ping-hsuan [1 ]
Lin, Sheng-Yuan [1 ]
Wu, An-Tai [1 ]
机构：
[1] Natl Changlum Univ Educ, Dept Chem, Changhua 50058, Taiwan
来源：
JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY A-CHEMISTRY | 2019年 / 385卷
关键词：
Fluorescence; Turn-on; Lead; Dansyl; LEAD(II) ION; SENSOR; SELECTIVITY; EXTRACTION; PROTEIN; DESIGN;
D O I：
10.1016/j.jphotochem.2019.112088
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
In this study, a naphthalene-1-sulfonamide/2-hydroxybenzaldehyde conjugation as a selective probe (probe L) was designed for the selective recognition of Pb2+. Probe L displayed an obvious fluorescence enhancement upon binding to Pb2+ in CH3CN solution. The association constant of probe L-Pb2+ complex was calculated to be 7.68 x 10(8) M-1, and the detection limit for Pb2+ was found to be 23.2 ppb.
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页数：6
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