NDLI: GC-MS analysis of bioactive components and biosynthesis of silver nanoparticles using Hybanthus enneaspermus at room temperature evaluation of their stability and its larvicidal activity

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GC-MS analysis of bioactive components and biosynthesis of silver nanoparticles using Hybanthus enneaspermus at room temperature evaluation of their stability and its larvicidal activity

Content Provider	World Health Organization (WHO)-Global Index Medicus
Author	Mary, R. Regina Rajasree, S. R. Radhika Aranganathan, L. Suman, T. Y. Jayaseelan, C. Gayathri, S. Remya, R. R.
Description	Country affiliation: India Author Affiliation: Suman TY ( Centre for Ocean Research (NIOT-SU Collaborative Research Centre), Sathyabama University, Jeppiaar Nagar, Rajiv Gandhi Road, Chennai, Tamil Nadu, 600 119, India.); Rajasree SR ( Centre for Ocean Research (NIOT-SU Collaborative Research Centre), Sathyabama University, Jeppiaar Nagar, Rajiv Gandhi Road, Chennai, Tamil Nadu, 600 119, India. radhiin@gmail.com.); Jayaseelan C ( Division of Nanobiotechnology, Department of Zoology, Auxilium College (Autonomous), Vellore, Tamil Nadu, 632006, India.); Mary RR ( Division of Nanobiotechnology, Department of Zoology, Auxilium College (Autonomous), Vellore, Tamil Nadu, 632006, India.); Gayathri S ( Centre for Ocean Research (NIOT-SU Collaborative Research Centre), Sathyabama University, Jeppiaar Nagar, Rajiv Gandhi Road, Chennai, Tamil Nadu, 600 119, India.); Aranganathan L ( Centre for Ocean Research (NIOT-SU Collaborative Research Centre), Sathyabama University, Jeppiaar Nagar, Rajiv Gandhi Road, Chennai, Tamil Nadu, 600 119, India.); Remya RR ( Centre for Ocean Research (NIOT-SU Collaborative Research Centre), Sathyabama University, Jeppiaar Nagar, Rajiv Gandhi Road, Chennai, Tamil Nadu, 600 119, India.)
Abstract	Green synthesis of silver nanoparticles (AgNPs) using Hybanthus enneaspermus extract at room temperature that act as a reducing agent as well as capping agent has been investigated. The synthesized AgNPs were characterized by UV–visible spectroscopy, X-ray diffraction (XRD), Fourier transform infrared (FTIR), zeta potential, and dynamic light scattering (DLS) transmission electron microscopy (TEM) and energy-dispersive X-ray (EDX). The silver surface plasmon resonance was observed at 420 nm in the UV–visible spectrum. XRD peaks were observed at 2θ values in 38.20°, 44.40°, 64.60°, and 77.50° which are indexed as (111), (200), (220), and (311) bands of face-centered cubic (fcc) structures of silver. FTIR revealed the AgNPs were capped with plant compounds of alcohol, phenols, carbonyl, amines, and amide functional groups. TEM image shows that the particles were of spherical, hexagonal, and triangular in shape, and the size range was 16–26 nm. Further, DLS exhibits the average size of 25.2 nm and the zeta values were measured (−27.1 mV) which proves the stability of the AgNPs. The conversion of $Ag^{+}$ ions into $Ag^{0}$ was calculated using inductively coupled plasma atomic emission spectroscopy (ICP-MS) and was found to be 96 %. The biosynthesized AgNPs showed the larvicidal activity with the $LC_{50}$ values of 17.24 and 13.12 mg/L against the fourth-instar larvae of Anopheles subpictus and Culex quinquefasciatus, respectively. The GC-MS analysis of the plant extract showed that 39 bioactive phytochemical compounds have been found to possess a wide range of activities, which may help in the protection against incurable diseases.
ISSN	09441344
Issue Number	3
Volume Number	23
e-ISSN	16147499
Journal	Environmental Science and Pollution Research
Language	English
Publisher	Springer
Publisher Date	2016-02-01
Publisher Place	Germany
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Insecticides Pharmacology Metal Nanoparticles Silver Violaceae Chemistry Animals Anopheles Culex Gas Chromatography-mass Spectrometry Analysis Larva Drug Effects Plant Extracts Plant Leaves Temperature X-ray Diffraction Journal Article Discipline Environmental Science Discipline Environmental Chemistry
Content Type	Text
Resource Type	Article
Subject	Environmental Chemistry Health, Toxicology and Mutagenesis Pollution Medicine

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