Highly Sensitive and Selective Detection of Hg2+ ions and Antibacterial Activity Using a Schiff-base Derivative

被引：0

作者：

Alnajeebi, Afnan M. ^{[1
]}

Yahya, Rana ^{[2
]}

Shafie, Alaa ^{[3
]}

Ashour, Amal Adnan ^{[4
]}

Felemban, Mohammed Fareed ^{[5
]}

Tayeb, Faris J. ^{[6
]}

机构：

[1] Univ Jeddah, Coll Sci, Dept Biochem, Jeddah, Saudi Arabia

[2] Univ Jeddah, Coll Sci, Dept Chem, Jeddah, Saudi Arabia

[3] Taif Univ, Dept Clin Labs Sci, Coll Appl Med Sci, POB 11099, Taif 21944, Saudi Arabia

[4] Taif Univ, Fac Dent, Dept Oral & Maxillofacial Surg & Diagnost Sci, POB 11099, Taif 21944, Saudi Arabia

[5] Taif Univ, Fac Dent, Dept Maxillofacial Surg & Diagnost Sci, POB 11099, Taif 21944, Saudi Arabia

[6] Univ Tabuk, Fac Appl Med Sci, Dept Med Lab Technol, Tabuk, Saudi Arabia

来源：

JOURNAL OF FLUORESCENCE | 2024年

关键词：

Schiff-base; Chemosensor; Turn-on; PET; Complex; Biomedical Applications; FLUORESCENCE; CHEMOSENSOR; COMPLEXES; LIGANDS;

D O I：

10.1007/s10895-024-04070-4

中图分类号：

Q5 [生物化学];

学科分类号：

071010 ; 081704 ;

摘要：

A simple and highly effective Schiff-base fluorescent chemosensor (S1) was synthesized and characterized by 1HNMR and fluorescence spectroscopy. The synthesized chemosensor was applied for the selective and sensitive detection of Hg2+ ions. The chemosensor exhibited a strong 'turn-on' fluorescence response in a CH3OH/H2O (1:9, v/v) solution due to complex formation (S1-Hg2+) which block photo induce electron transfer (PET). The chemosensor showed significant sensitivity with very low detection limit of 2.0 ppb, making it suitable for trace-level Hg2+ detection. Furthermore, the S1-Hg2+ complex demonstrated excellent antibacterial activity against various Gram-positive and Gram-negative bacterial strains, broadening its utility beyond sensing. This dual-functional system offers significant potential in environmental and biomedical applications.

引用

页数：14

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