Enhanced fluorescence of terbium with Thiabendazole (cas 148-79-8) and application in determining trace amounts of terbium and Thiabendazole (cas 148-79-8)
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Add time:09/29/2019 Source:infona.pl
In this paper, a simple, rapid and sensitive fluorescence method based on the formation of terbium (Tb3+) complex has been developed for the rapid detection of Tb3+ in water. The fluorescence sensor has been studied by using terbium complexed with Thiabendazole (cas 148-79-8) (TBZ) while acetonitrile (MeCN) as solvent. The complex was made up of TBZ as small-molecule ligand and Tb3+ as central ion. Fluorescence spectroscopy and UV spectroscopy together were used to study the behavior of the complexation of TBZ-Tb in this medium. Enhancement fluorescence was observed due to the efficient energy transfer process from TBZ to Tb3+. And the affecting factors of the enhancement fluorescence were also studied in detail. Under optimal conditions, a linear relationship was obtained between the enhanced fluorescence intensity and the concentration of Tb3+ in a range of 5.0×10−6M–3.0×10−5M. The sensor was used for the detection of Tb3+ in river water samples, and the result was satisfactory. In the meantime, a linear relationship was also obtained between the enhanced fluorescence intensity and the concentration of TBZ in a range of 8.0×10−6M–4.0×10−5M. Moreover, the method was successfully extended for the detection of TBZ in juice samples.
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- Comparison of constitutive and Thiabendazole (cas 148-79-8)-induced expression of five cytochrome P450 genes in fourth-stage larvae of Haemonchus contortus isolates with different drug susceptibility identifies one gene with high constitutive expression in a multi-resistant isolate09/30/2019
- Synthesis, antimicrobial activity and chemotherapeutic potential of inorganic derivatives of 2-(4 ' -thiazolyl)benzimidazole{Thiabendazole (cas 148-79-8)}: X-ray crystal structures of [Cu(TBZH) 2 Cl]Cl.H 2 O.EtOH and TBZH 2 NO 3 (TBZH=Thiabendazole (cas 148-79-8))09/28/2019
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