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Ecofriendly synthesis of silver nanoparticles from garden rhubarb (rheum rhabarbarum)

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dc.title Ecofriendly synthesis of silver nanoparticles from garden rhubarb (rheum rhabarbarum) en
dc.contributor.author Palem, Ramasubba Reddy
dc.contributor.author Shimoga Dinesh, Ganesh
dc.contributor.author Saha, Nabanita
dc.contributor.author Zandraa, Oyunchimeg
dc.contributor.author Sáha, Petr
dc.relation.ispartof Journal of Nanotechnology
dc.identifier.issn 1687-9503 Scopus Sources, Sherpa/RoMEO, JCR
dc.date.issued 2016
utb.relation.volume 2016
dc.type article
dc.language.iso en
dc.publisher Hindawi Publishing Corporation
dc.identifier.doi 10.1155/2016/4964752
dc.description.abstract Bioreduction of silver ions following one pot process is described to achieve Rheum rhabarbarum (RR) based silver nanoparticles (SNPs) which is termed as "RR-SNPs." The Ultraviolet-visible spectroscopy (UV-vis) confirms the characteristic surface plasmon resonance band for RR-SNPs in the range of 420-460 nm. The crystalline nature of SNPs was confirmed by X-ray diffraction (XRD) peaks at 38.2 degrees, 45.6 degrees, 64.2 degrees, and 76.8 degrees. Transmission electron microscopy (TEM) and scanning electronic microscopy (SEM) confirm the shape of synthesized SNPs. They are roughly spherical but uniformly distributed, and size varies from 60 to 80 nm. These biogenic SNPs show persistent zeta potential value of 34.8mV even after 120 days and exhibit potent antibacterial activity in presence of Escherichia coli (CCM 4517) and Staphylococcus aureus (CCM 4516). In addition, cytotoxicity of RR-SNPs against in vitro human epithelial carcinoma (HeLa) cell line showed a dose-response activity. The lethal concentration (LC50) value was found to be 28.5 mu g/mL for RR-SNPs in the presence of HeLa cells. These findings help us to evaluate their appropriate applications in the field of nanotechnology and nanomedicine. en
utb.faculty University Institute
dc.identifier.uri http://hdl.handle.net/10563/1006886
utb.identifier.obdid 43875995
utb.identifier.scopus 2-s2.0-84991585565
utb.identifier.wok 000385118400001
utb.source j-wok
dc.date.accessioned 2017-02-28T15:11:39Z
dc.date.available 2017-02-28T15:11:39Z
dc.rights Attribution 4.0 International
dc.rights.uri http://creativecommons.org/licenses/by/4.0/
dc.rights.access openAccess
utb.ou Centre of Polymer Systems
utb.contributor.internalauthor Palem, Ramasubba Reddy
utb.contributor.internalauthor Shimoga Dinesh, Ganesh
utb.contributor.internalauthor Saha, Nabanita
utb.contributor.internalauthor Zandraa, Oyunchimeg
utb.contributor.internalauthor Sáha, Petr
utb.fulltext.affiliation Palem Ramasubba Reddy, Shimoga D. Ganesh, Nabanita Saha, Oyunchimeg Zandraa, and Petr Sáha Centre of Polymer Systems, University Institute, Tomas Bata University in Zlin, Tř. T. Bati 5678, 760 01 Zlin, Czech Republic Correspondence should be addressed to Nabanita Saha; nabanita@ft.utb.cz
utb.fulltext.dates Received 23 June 2016; Accepted 24 August 2016
utb.fulltext.sponsorship The work was supported by the Ministry of Education, Youth and Sports of the Czech Republic-NPU Program I (LO1504). Authors are grateful to Dr. Zuzana Kronekova, Polymer Institute, Slovak Academy of Sciences, Bratislava, for studying the anticancer activity of RR-SNPs. Authors are also grateful to Department of Material Science and Nanotechnology, IISc Bangalore, India, for TEM analysis.
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