Nano-Detoxification of Organophosphate Agents by PAMAM Derivatives

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dc.contributor.authorDurán-Lara, Esteban F.
dc.contributor.authorÁvila-Salas, Fabian
dc.contributor.authorGalaz, Sebastian
dc.contributor.authorJohn, Amalraj
dc.contributor.authorMaricán, Adolfo
dc.contributor.authorGutiérrez, Margarita
dc.contributor.authorNachtigall, Fabiane M.
dc.contributor.authorGonzalez-Nilo, Fernando D.
dc.contributor.authorSantos, Leonardo S.
dc.date.accessioned2016-06-29T02:57:11Z
dc.date.available2016-06-29T02:57:11Z
dc.date.issued2015
dc.descriptionIndexación: Web of Science; Scielo.es
dc.description.abstractFor the first time, the adsorption of pesticides such as azinphos-methyl and methamidophos by polyamidoamine (PAMAM) derivatives was studied. Amine groups of PAMAM (G4 and G5) were functionalized with different biomolecules such as folic acid, coumarine, arginine, lysine, and asparagine. Subsequently, the synthesized compounds were used to trap organophosphates (OP), and its affinity to do so was measured by high-performance liquid chromatography (HPLC). The obtained experimental data was compared with the interaction energy values obtained through a nanoinformatic methodology, by using conformational sampling through Euler angles and semi‑empirical quantum mechanical calculations. Both, the experimental and the in silico methodology can be employed to screen with high accuracy the molecular interactions between OP agents and the functionalized PAMAM. Furthermore, affinity results by HPLC and molecular dynamics were supported by in vitro enzyme acetylcholinesterase activity assays.es
dc.description.urihttp://ref.scielo.org/7rnf6y
dc.identifier.citationJ. Braz. Chem. Soc. vol.26 no.3 São Paulo Mar. 2015es
dc.identifier.issn0103-5053
dc.identifier.otherhttp://dx.doi.org/10.5935/0103-5053.20150013
dc.identifier.urihttp://repositorio.unab.cl/xmlui/handle/ria/869
dc.language.isoenes
dc.publisherSociedade Brasileira de Químicaes
dc.subjectPolyamidoamine (PAMAM)es
dc.subjectAzinphos-methyl (AZM)es
dc.subjectMethamidophos (MMP)es
dc.subjectPesticideses
dc.subjectAcetylcholinesterase activity (AChE)es
dc.subjectSemi-empirical calculationses
dc.titleNano-Detoxification of Organophosphate Agents by PAMAM Derivativeses
dc.typeArtículoes
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