Highly stable silver nanoparticles synthesized using Terminalia catappa leaves as antibacterial agent and colorimetric mercury sensor

被引：35
|
作者：
Devadiga, Aishwarya [1 ]
Vidya, Shetty K. [1 ]
Saidutta, M. B. [1 ]
机构：
[1] Natl Inst Technol Karnataka, Dept Chem Engn, Mangalore 575025, India
来源：
MATERIALS LETTERS | 2017年 / 207卷
关键词：
Antibacterial; Leaf extract; Mercury sensor; Silver nanoparticles; Terminalia catappa; BIOLOGICAL SYNTHESIS; METAL NANOPARTICLES; GOLD NANOPARTICLES; GREEN SYNTHESIS; LEAF EXTRACT; BIOSYNTHESIS; ADSORPTION; SOLVENT; PB(II); IONS;
D O I：
10.1016/j.matlet.2017.07.024
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Silver nanoparticles (AgNPs) were synthesized using the aqueous extract of an agrowaste: Terminalia catappa leaves. The AgNPs were characterized using UV-VIS spectroscopy, Transmission electron microscopy, Scanning electron microscopy, Fourier Transmission Infrared spectroscopy and Dynamic light scattering analysis. AgNPs were monodispersed, crystalline, quasi-spherical with average size of similar to 11 nm and were encapsulated with capping agents present in the extract. The AgNPs were stable with the zeta potential value of similar to 36.7 mV. These AgNPs exhibited significant antibacterial activity against water borne pathogens and could be used as colorimetric sensors for the detection of trace levels of mercury, indicating their multifaceted application in antibacterial coating, water treatment and as colorimetric mercury sensors. The overall synthesis process emphasizes on the agrowaste utilization for the "green" synthesis of AgNPs. (C) 2017 Elsevier B.V. All rights reserved.
引用
收藏
页码：66 / 71
页数：6
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