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Πεδίο DCΤιμήΓλώσσα
dc.contributor.authorGhiuță, Ioana-
dc.contributor.authorCristea, Daniel-
dc.contributor.authorCroitoru, Cǎtǎlin-
dc.contributor.authorKost, Joseph-
dc.contributor.authorWenkert, Rodica-
dc.contributor.authorVyrides, Ioannis-
dc.contributor.authorAnayiotos, Andreas-
dc.contributor.authorMunteanu, Daniel-
dc.date.accessioned2018-04-17T07:34:06Z-
dc.date.available2018-04-17T07:34:06Z-
dc.date.issued2018-04-30-
dc.identifier.citationApplied Surface Science, 2018, vol. 438, pp. 66-73en_US
dc.identifier.issn01694332-
dc.identifier.urihttps://hdl.handle.net/20.500.14279/10929-
dc.description.abstractIn this work, the biosynthesis of silver nanoparticles, using AgNO3 as a precursor, by two Bacillus species, namely Bacillus amyloliquefaciens and Bacillus subtillis, is reported. After the synthesis stages, the absorbance of the brown nanoparticle colloidal solutions was assessed by UV–vis spectrophotometry, which showed the peak absorbance values at 418 nm and 414 nm, corresponding to surface plasmon resonance of silver nanoparticles. The EDX, SEM and DLS analyses confirmed the formation of spherical silver nanoparticles with an average diameter smaller than 140 nm. XRD confirmed the presence of face-centered cubic silver crystals, with the highest intensity peak at 2θ = 38.12°, which corresponds to the (111) diffraction planes. The antibacterial activity after 24 h of incubation was observed against gram negative bacteria: Escherichia coli, Pseudomonas aeruginosa, Salmonella, as well as gram positive: Staphylococcus aureus, Streptococcus pyogenes. Furthermore, the antifungal activity was assessed against Candida albicans. The inhibition zone was clearly observed on the plates containing silver nanoparticles, either standalone or in combination with antibiotics, thus showing their potentiating antibacterial effect.en_US
dc.formatpdfen_US
dc.language.isoenen_US
dc.relation.ispartofApplied Surface Scienceen_US
dc.rights© Elsevier B.V.en_US
dc.subjectBacillus amyloliquefaciensen_US
dc.subjectBacillus subtillisen_US
dc.subjectBiosynthesisen_US
dc.subjectSilver nanoparticlesen_US
dc.titleCharacterization and antimicrobial activity of silver nanoparticles, biosynthesized using Bacillus speciesen_US
dc.typeArticleen_US
dc.collaborationTransilvania University of Brasoven_US
dc.collaborationBen Gurion University of the Negeven_US
dc.collaborationSoroka Universityen_US
dc.collaborationCyprus University of Technologyen_US
dc.subject.categoryChemical Sciencesen_US
dc.journalsSubscriptionen_US
dc.countryRomaniaen_US
dc.countryIsraelen_US
dc.countryCyprusen_US
dc.subject.fieldNatural Sciencesen_US
dc.publicationPeer Revieweden_US
dc.identifier.doi10.1016/j.apsusc.2017.09.163en_US
dc.relation.volume438en_US
cut.common.academicyear2017-2018en_US
dc.identifier.spage66en_US
dc.identifier.epage73en_US
item.fulltextNo Fulltext-
item.languageiso639-1en-
item.grantfulltextnone-
item.openairecristypehttp://purl.org/coar/resource_type/c_6501-
item.cerifentitytypePublications-
item.openairetypearticle-
crisitem.journal.journalissn0169-4332-
crisitem.journal.publisherElsevier-
crisitem.author.deptDepartment of Chemical Engineering-
crisitem.author.deptDepartment of Mechanical Engineering and Materials Science and Engineering-
crisitem.author.facultyFaculty of Geotechnical Sciences and Environmental Management-
crisitem.author.facultyFaculty of Engineering and Technology-
crisitem.author.orcid0000-0001-8316-4577-
crisitem.author.orcid0000-0003-4471-7604-
crisitem.author.parentorgFaculty of Geotechnical Sciences and Environmental Management-
crisitem.author.parentorgFaculty of Engineering and Technology-
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