<?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>0188-4999</journal-id>
<journal-title><![CDATA[Revista internacional de contaminación ambiental]]></journal-title>
<abbrev-journal-title><![CDATA[Rev. Int. Contam. Ambient]]></abbrev-journal-title>
<issn>0188-4999</issn>
<publisher>
<publisher-name><![CDATA[Universidad Nacional Autónoma de México, Instituto de Ciencias de la Atmósfera y Cambio Climático]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0188-49992016000400399</article-id>
<article-id pub-id-type="doi">10.20937/rica.2016.32.04.03</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Determinación de la concentración de glifosato en agua mediante la técnica de inmunoabsorción ligada a Enzimas (ELISA)]]></article-title>
<article-title xml:lang="en"><![CDATA[Determination of the concentration of glyphosate in water by the enzyme-linked immunosorbent assay (ELISA)]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Paravani]]></surname>
<given-names><![CDATA[Enrique V.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Sasal]]></surname>
<given-names><![CDATA[María C.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Sione]]></surname>
<given-names><![CDATA[Silvana M.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Gabioud]]></surname>
<given-names><![CDATA[Emmanuel A.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Oszust]]></surname>
<given-names><![CDATA[José D.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Wilson]]></surname>
<given-names><![CDATA[Marcelo G.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
<xref ref-type="aff" rid="Aaf"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Demonte]]></surname>
<given-names><![CDATA[Luisina]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Repetti]]></surname>
<given-names><![CDATA[María R.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad Nacional de Entre Ríos Facultad de Ingeniería ]]></institution>
<addr-line><![CDATA[Entre Ríos ]]></addr-line>
<country>Argentina</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Instituto Nacional de Tecnología Agropecuaria Estación Experimental Agropecuaria Paraná Grupo Recursos Naturales y Factores Abióticos]]></institution>
<addr-line><![CDATA[Entre Ríos ]]></addr-line>
<country>Argentina</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Universidad Nacional de Entre Ríos Facultad de Ciencias Agropecuarias ]]></institution>
<addr-line><![CDATA[Entre Ríos ]]></addr-line>
<country>Argentina</country>
</aff>
<aff id="Af4">
<institution><![CDATA[,Universidad Nacional del Litoral Facultad de Ingeniería Química ]]></institution>
<addr-line><![CDATA[Santa Fe ]]></addr-line>
<country>Argentina</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>11</month>
<year>2016</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>11</month>
<year>2016</year>
</pub-date>
<volume>32</volume>
<numero>4</numero>
<fpage>399</fpage>
<lpage>406</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S0188-49992016000400399&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S0188-49992016000400399&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S0188-49992016000400399&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen Los herbicidas constituyen fuentes potenciales de contaminación, siendo el agua uno de los componentes del ambiente más vulnerables. El glifosato (N-fosfonometil glicina) es el herbicida más utilizado a escala mundial. Actualmente, la información referida a su efecto sobre el agua resulta insuficiente, dado fundamentalmente por los altos costos de los análisis de laboratorio. Los objetivos del presente trabajo fueron evaluar el empleo de la técnica de ELISA como una herramienta rápida para el monitoreo de la calidad de aguas y cuantificar la concentración de glifosato por medio de la técnica de UHPLC-MS/MS. Cuando la técnica de ELISA determina valores positivos de glifosato, se requiere la cuantificación mediante la técnica de UHPLC-MS/MS para determinar la concentración exacta de glifosato en dichas muestras. Los resultados sugieren que la técnica de ELISA es factible de ser implementada en programas de monitoreo de aguas, constituyendo un método exploratorio que permite detectar cualitativamente la presencia o ausencia de glifosato.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract Herbicides are potential sources of pollution; water being one of the most vulnerable components of the environment. Glyphosate (N-phosphonomethyl glycine) is the most widely used herbicide worldwide. Currently, the information on its effect on water is insufficient, mainly because of the high costs of lab tests. The objectives of this study were to evaluate the use of the ELISA technique as a quick tool for monitoring water quality and to quantify the concentration of glyphosate through the technique of UHPLC-MS/MS. When ELISA positive values determined glyphosate, quantification by UHPLC-MS/MS technique is required to determine the exact concentration of glyphosate in the samples. The results suggest that the ELISA technique is feasible to be implemented in water monitoring programs, providing a screening method that allows detecting qualitatively the presence or absence of glyphosate.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[contaminación]]></kwd>
<kwd lng="es"><![CDATA[herbicida]]></kwd>
<kwd lng="es"><![CDATA[cuantificación]]></kwd>
<kwd lng="es"><![CDATA[inmunoensayo]]></kwd>
<kwd lng="en"><![CDATA[contamination]]></kwd>
<kwd lng="en"><![CDATA[glyphosate]]></kwd>
<kwd lng="en"><![CDATA[quantification]]></kwd>
<kwd lng="en"><![CDATA[immunoassay]]></kwd>
</kwd-group>
</article-meta>
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