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Cockroach Wings-Promoted Safe and Greener Synthesis of Silver Nanoparticles and Their Insecticidal Activity Publisher Pubmed



Khatami M1, 2 ; Iravani S3 ; Varma RS4 ; Mosazade F1 ; Darroudi M5 ; Borhani F6
Authors
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Authors Affiliations
  1. 1. NanoBioelectrochemistry Research Center, Bam University of Medical Sciences, Bam, Iran
  2. 2. Nanomedicine and Nanobiology Research Center, Shiraz University of Medical Sciences, Shiraz, Iran
  3. 3. Faculty of Pharmacy and Pharmaceutical Sciences, Isfahan University of Medical Sciences, Isfahan, Iran
  4. 4. Regional Centre of Advanced Technologies and Materials, Department of Physical Chemistry, Faculty of Science, Palacky University, Slechtitelu 27, Olomouc, 783 71, Czech Republic
  5. 5. Department of Modern Sciences and Technologies, School of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
  6. 6. Medical Ethics and Law Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran

Source: Bioprocess and Biosystems Engineering Published:2019


Abstract

Abstract: Simpler and biocompatible greener approaches for the assembly of nanoparticles (NPs) have been the focus lately which have minimum environmental damage and often entails the use of natural biomolecules to synthesize NPs. Such greener synthesis of nanoparticles has capitalized on the use of microbes, fungi, and plants using biological resources. In this study, Periplaneta americana (American cockroach) wings' extract (chitin-rich) is studied as a novel biomaterial for the first time to synthesize silver NPs (less than 50 nm); chitin is the second most abundant polymer after cellulose on earth. The physicochemical properties of these NPs were analyzed using UV–visible spectroscopy, X-ray diffraction, and transmission electron microscopy (TEM). The insecticidal effect of ensuing NPs was examined on the mortality of Aphis gossypii under laboratory conditions; 48 h after treatments of A. gossypii with silver NPs (100 μg/ml), the mortality rate in treated aphids was about 40% (an average), while an average percentage of losses in the control sample was about 10%. These results indicate the lethal effect of green-synthesized silver NPs on A. gossypii, in vitro. Graphic abstract: Greener synthesis of silver nanoparticles using American cockroach wings and their insecticidal activities. © 2019, Springer-Verlag GmbH Germany, part of Springer Nature.
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