<?xml version="1.0" encoding="ISO-8859-1"?><article xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
<front>
<journal-meta>
<journal-id>0120-2804</journal-id>
<journal-title><![CDATA[Revista Colombiana de Química]]></journal-title>
<abbrev-journal-title><![CDATA[Rev.Colomb.Quim.]]></abbrev-journal-title>
<issn>0120-2804</issn>
<publisher>
<publisher-name><![CDATA[Departamento de Química,  Universidad Nacional de Colombia.]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0120-28042017000300028</article-id>
<article-id pub-id-type="doi">10.15446/rev.colomb.quim.v46n3.62386</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Nanopartículas de CuO y su propiedad antimicrobiana en cepas intrahospitalarias]]></article-title>
<article-title xml:lang="en"><![CDATA[CuO nanoparticles and their antimicrobial activity against nosocomial strains]]></article-title>
<article-title xml:lang="pt"><![CDATA[Nanopartículas de CuO e sua propriedade antimicrobiana frente a cepas intrahospitalares]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Román]]></surname>
<given-names><![CDATA[L. Esmeralda]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Castro]]></surname>
<given-names><![CDATA[Flavia]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Maúrtua]]></surname>
<given-names><![CDATA[Dora]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Condori]]></surname>
<given-names><![CDATA[Cesar]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Vivas]]></surname>
<given-names><![CDATA[Darwin]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Bianchi]]></surname>
<given-names><![CDATA[Ana E.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
<xref ref-type="aff" rid="Aaf"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Paraguay-Delgado]]></surname>
<given-names><![CDATA[Francisco]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Solis]]></surname>
<given-names><![CDATA[José L.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Gómez]]></surname>
<given-names><![CDATA[Mónica M]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad Nacional de Ingeniería Facultad de Ingeniería Química y Textil ]]></institution>
<addr-line><![CDATA[Lima ]]></addr-line>
<country>Peru</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad Peruana Cayetano Heredia Facultad de Ciencias y Filosofía ]]></institution>
<addr-line><![CDATA[Lima ]]></addr-line>
<country>Peru</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Universidad Nacional de La Plata Dpto. de Física-Facultad de Ciencias Exactas ]]></institution>
<addr-line><![CDATA[La Plata ]]></addr-line>
<country>Argentina</country>
</aff>
<aff id="Af4">
<institution><![CDATA[,Universidad Nacional de La Plata Facultad de Ingeniería Departamento de Ciencias Básicas]]></institution>
<addr-line><![CDATA[La Plata ]]></addr-line>
<country>Argentina</country>
</aff>
<aff id="Af5">
<institution><![CDATA[,Centro de Investigación en Materiales Avanzados  ]]></institution>
<addr-line><![CDATA[Chihuahua ]]></addr-line>
<country>México</country>
</aff>
<aff id="Af6">
<institution><![CDATA[,Universidad Nacional de Ingeniería Facultad de Ciencias ]]></institution>
<addr-line><![CDATA[Lim ]]></addr-line>
<country>Peru</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>12</month>
<year>2017</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>12</month>
<year>2017</year>
</pub-date>
<volume>46</volume>
<numero>3</numero>
<fpage>28</fpage>
<lpage>36</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_arttext&amp;pid=S0120-28042017000300028&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_abstract&amp;pid=S0120-28042017000300028&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_pdf&amp;pid=S0120-28042017000300028&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen Empleando un prototipo de reactor, se sintetizaron nanopartículas (NPs) de CuO a través del método de precipitación a partir de CuSO25H2O y de Cu(CH3COO)2H2O. Las NPs obtenidas fueron caracterizadas mediante XRD, FT-IR, TEM y SEM. La actividad antimicrobiana de las NPs se determinó mediante el método de difusión en placa, colocando 20 mg de NPs de CuO sobre cuatro cepas intrahospitalarias o nosocomiales aisladas de la Unidad de Cuidados Intensivos de un hospital nacional de Lima norte (Staphylococcus epidermidis, Aerococcus viridans, Ochrobactrum anthropi y Micrococcus lylae). La caracterización de las NPs de CuO demostró que las sintetizadas a partir de acetato (CuO-Acet) presentaron una fase pura de CuO, mientras que las sintetizadas a partir de sulfato (CuO-Sulf) presentaron dos fases, donde la de CuO representó más del 84%. Los dominios cristalinos del CuO-Acet y CuO-Sulf fueron 15 y 19 nm, respectivamente. Los halos de inhibición de las cepas estudiadas fueron mayores para las NPs de CuO-Sulf que para las NPs de CuO-Acet; solo para la cepa Ochrobactrum anthropi se presentaron halos similares para ambos tipos de NPs.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract Using a prototype reactor, CuO nanoparticles (NPs) were synthetized through the precipitation method, starting from CuSO2 5H2O and Cu(CH3COO)2H2O. The obtained NPs were characterized by XDR, FT-IR, SEM, and TEM. The antimicrobial activity of the NPs was determined by the plate diffusion method, placing 20 mg of NPs onto four nosocomial strains obtained from north Lima national hospital Intensive-Care Unit (Staphylococcus epidermidis, Aerococcus viridans, Ochrobactrum anthropic, and Micrococcus lylae). NPs characterization revealed that those synthetized from acetate (CuO-Acet) shown pure CuO phase, while those synthetized from sulphate CuO-Sulf shown two phases where CuO was the predominant one, having more than 84%. The crystal domains for CuO-Acet and CuO-Sulf were 15 and 19 nm, respectively. The inhibition halos for the studied strains were larger for CuO-Sulf NPs than CuO-Acet NPs, only Ochrobactrum anthropi displayed similar inhibition halos for both types of NPs.]]></p></abstract>
<abstract abstract-type="short" xml:lang="pt"><p><![CDATA[Resumo Usando um protótipo de reator, sintetizaram-se nanopartículas (NPs) de CuO pelo método de precipitação a partir de CuSO25H2O e de Cu(CH3COO)2H2O. As NPs obtidas foram caracterizadas por meio das seguintes técnicas: XRD, FT-IR, TEM e SEM. A atividade antimicrobiana das NPs foi determinada pelo método de difusão em placa, colocando 20 mg de NPs de CuO sobre quatro cepas nosocomiais isoladas de uma Unidade de Terapia Intensiva no hospital nacional de Lima norte (Staphylococcus epidermidis, Aerococcus viridans, Ochrobactrum anthropic e Micrococcus lylae). A caracterização das NPs de CuO mostrou que as nanopartículas sintetizadas a partir do acetato (CuO-Acet) apresentavam uma fase pura de CuO, enquanto que as sintetizadas a partir do sulfato (CuO-Sulf), apresentaram duas fases sendo a fase maior de CuO, com mais de 84%. Os domínios cristalinos de CuO-Acet y CuO-Sulf foram 15 e 19 nm, respectivamente. Os halos de inibição das cepas estudadas foram maiores para as NPs de CuO-Sulf do que as NPs de CuO-Acet somente para a cepa Ochrobactrum anthropi, apresentaram-se halos de inibição parecidos.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Actividad antimicrobiana]]></kwd>
<kwd lng="es"><![CDATA[método de difusión en placa]]></kwd>
<kwd lng="es"><![CDATA[cepas nosocomiales]]></kwd>
<kwd lng="es"><![CDATA[nanopartículas de CuO]]></kwd>
<kwd lng="en"><![CDATA[Antimicrobial activity]]></kwd>
<kwd lng="en"><![CDATA[plate diffusion method]]></kwd>
<kwd lng="en"><![CDATA[nosocomial strains]]></kwd>
<kwd lng="en"><![CDATA[CuO nanoparticles]]></kwd>
<kwd lng="pt"><![CDATA[Atividade antimicrobiana]]></kwd>
<kwd lng="pt"><![CDATA[método de difusão em placa]]></kwd>
<kwd lng="pt"><![CDATA[cepas nosocomiais]]></kwd>
<kwd lng="pt"><![CDATA[nanoparticulas de CuO]]></kwd>
</kwd-group>
</article-meta>
</front><back>
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