Chemical characterization of bacteria

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dc.contributor.authorJACOVONE, R.M.pt_BR
dc.contributor.authorCOSTA, C.A.pt_BR
dc.contributor.authorSAKATA, S.K.pt_BR
dc.coverageInternacionalpt_BR
dc.creator.eventoPAN-AMERICAN NANOTECHNOLOGY CONFERENCE, 2ndpt_BR
dc.date.accessioned2021-03-05T11:48:08Z
dc.date.available2021-03-05T11:48:08Z
dc.date.eventoMarch 4-7, 2020pt_BR
dc.description.abstractAtomic force microscopy -Infrared spectroscopy (AFM-IR) is a combined technique that allows nanoscale chemical characterization of biological–materials interactions. In this work, AFM-IR was used to map Escherichia coli in graphene oxide /silver nanocomposite (Ag/rGO). In Escherichia coli, it was observed absorption bands corresponding to amine I at 1660 cm-1 and amide II at 1550 cm-1 from proteins. On the other hand, when these bacteria were exposed to (Ag/rGO) typical absorption bands from carbonyl/carboxyl groups around 1745 and carbon bond around 1620 were also detected, showing the antibacterial activities of (Ag/rGO). The conventional atomic force microscope was used to elucidate the morphologic changes that occurred by internalization of nanocomposite into the bacteria. Atomic force microscopy -Infrared spectroscopy (AFM-IR) is a combined technique that allows nanoscale chemical characterization of biological–materials interactions. In this work, AFM-IR was used to map Escherichia coli in graphene oxide /silver nanocomposite (Ag/rGO). In Escherichia coli, it was observed absorption bands corresponding to amine I at 1660 cm-1 and amide II at 1550 cm-1 from proteins. On the other hand, when these bacteria were exposed to (Ag/rGO) typical absorption bands from carbonyl/carboxyl groups around 1745 cm-1 and carbon bond around 1620 cm-1 were also detected, showing the antibacterial activities of (Ag/rGO). The conventional atomic force microscope was used to elucidate the morphologic changes that occurred by internalization of nanocomposite into the bacteria.pt_BR
dc.event.siglaPANNANOpt_BR
dc.identifier.citationJACOVONE, R.M.; COSTA, C.A.; SAKATA, S.K. Chemical characterization of bacteria: graphene oxide/Ag nanocomposite interactions by atomic force microscopy -infrared spectroscopy. In: PAN-AMERICAN NANOTECHNOLOGY CONFERENCE, 2nd, March 4-7, 2020, Águas de Lindoia, SP. <b>Abstract...</b> Disponível em: http://repositorio.ipen.br/handle/123456789/31874.
dc.identifier.orcid0000-0001-6072-5853pt_BR
dc.identifier.orcidhttps://orcid.org/0000-0001-6072-5853
dc.identifier.urihttp://repositorio.ipen.br/handle/123456789/31874
dc.local.eventoÁguas de Lindoia, SPpt_BR
dc.rightsopenAccesspt_BR
dc.titleChemical characterization of bacteriapt_BR
dc.typeResumo de eventos científicospt_BR
dspace.entity.typePublication
ipen.autorSOLANGE KAZUMI SAKATA
ipen.autorRAYNARA MARIA SILVA JACOVONE
ipen.codigoautor7038
ipen.codigoautor14300
ipen.contributor.ipenauthorSOLANGE KAZUMI SAKATA
ipen.contributor.ipenauthorRAYNARA MARIA SILVA JACOVONE
ipen.date.recebimento21-03
ipen.event.datapadronizada2020pt_BR
ipen.identifier.ipendoc27645pt_BR
ipen.notas.internasAbstractpt_BR
ipen.subtitulographene oxide/Ag nanocomposite interactions by atomic force microscopy -infrared spectroscopypt_BR
ipen.type.genreResumo
relation.isAuthorOfPublicationfb62f288-104d-4352-aed0-a18e0da21a1b
relation.isAuthorOfPublicationda20f0e7-9926-4e06-ae80-ccbc18ec0806
relation.isAuthorOfPublication.latestForDiscoveryda20f0e7-9926-4e06-ae80-ccbc18ec0806
sigepi.autor.atividadeSAKATA, S.K.:7038:220:Npt_BR
sigepi.autor.atividadeJACOVONE, R.M.:14300:220:Spt_BR
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