期刊
CHEMICAL PHYSICS LETTERS
卷 667, 期 -, 页码 137-145出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.cplett.2016.11.048
关键词
Gold nanoparticles; Fluorescent sensor; Isoleucine; Thiacalix[4]arene; Antioxidant study
资金
- University Grant Commission (UGC), New Delhi
Thiacalix[4]arenes comes under heteracalixarene class which has notable utility in the area of nanoscience. This stimulation has led to the synthesis of water-dispersible gold nanoparticles (AuNps) using thiacalix[4]arene tetrahydrazide (TCTH) as both reducing as well as stabilizing agent. The synthesized nanoparticles (TCTH-AuNps) were characterized by SPR, TEM and EDX. TCTH-AuNps were found to be selective and sensitive for isoleucine. The concentration of isoleucine was detected in the limit of 1 nM to 1.2 mu M based on fluorescence enhancement. TCTH-AuNps were also used to measure antioxidant capacity against the standard ascorbic acid. (C) 2016 Elsevier B.V. All rights reserved.
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