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一个新的具有双光子诱导荧光测量能力的在水中对铅离子有选择性的荧光探针

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Indexed by: Journal Article

Date of Publication: 2009-01-01

Journal: 中国科学. B辑, 化学

Included Journals: CSCD、ISTIC、PKU

Volume: 39

Issue: 6

Page Number: 541-547

ISSN: 1006-9240

Key Words: 双光子; 荧光探针; 铅离子; 水环境; 双光子吸收截面; 化学传感器; 探针

Abstract: 报道了一个对Pb~(2+)具有很好选择性的探针1,其荧光团部分为:1,4-二氰基-2,5-联(苯乙烯基)苯;配体为:[(2-羧基甲氧基-苯基)-
   羧基甲基-胺基]-乙酸.在探针1的水溶液中滴加铅离子,它的荧光发射光谱发生变化,在590nm处出现一个新的宽带峰.探针1在生理环境的pH范围内不
   受pH的影响,并且在740 nm,它的双光子吸收截面为最大:51 GM.

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