A New Half-Condensed Schiff Base Compound: Highly Selective and Sensitive pH-Responsive Fluorescent Sensor

被引：110

作者：

Saha, Uday Chand ^{[2
]}

Dhara, Koushik ^{[1
]}

Chattopadhyay, Basab ^{[3
]}

Mandal, Sushil Kumar ^{[4
]}

Mondal, Swastik ^{[5
]}

Sen, Supriti ^{[2
]}

Mukherjee, Monika ^{[3
]}

van Smaalen, Sander ^{[5
]}

Chattopadhyay, Pabitra ^{[2
]}

机构：

[1] Sambhu Nath Coll, Dept Chem, Birbhum 731303, W Bengal, India

[2] Univ Burdwan, Dept Chem, Golapbag, W Bengal, India

[3] Indian Assoc Cultivat Sci, Dept Solid State Phys, Kolkata 700032, India

[4] Univ Kalyani, Dept Zool, Cytogenet & Mol Biol Lab, Kalyani 741235, W Bengal, India

[5] Univ Bayreuth, Crystallog Lab, D-95440 Bayreuth, Germany

来源：

ORGANIC LETTERS | 2011年 / 13卷 / 17期

关键词：

LIVING CELLS; BODIPY DYES; HEPG2; CELLS; PROBE; CHEMISTRY;

D O I：

10.1021/ol201652r

中图分类号：

O62 [有机化学];

学科分类号：

070303 ; 081704 ;

摘要：

A new probe, 3-[(3-benzyloxypyridin-2-ylimino)methyl]-2-hydroxy-5-methylbenzaldehyde (1-H) behaves as a highly selective fluorescent pH sensor in a Britton-Robinson buffer at 25 degrees C. The pH titrations show a 250-fold increase in fluorescence intensity within the pH range of 4.2 to 8.3 with a pK(a) value of 6.63 which is valuable for studying many of the biological organelles.

引用

页码：4510 / 4513

页数：4

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