<?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>S0188-49992019000200495</article-id>
<article-id pub-id-type="doi">10.20937/rica.2019.35.02.19</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[VARIACIÓN DE LOS NIVELES DE BUTIRILCOLINESTERASA DE UNA POBLACIÓN MEXICANA EN DISTINTOS PERIODOS DE CONTROL DE Aedes SPP.]]></article-title>
<article-title xml:lang="en"><![CDATA[VARIATION OF BUTIRYLCHOLINESTERASE LEVELS A MEXICAN POPULATION IN DIFFERENT PERIODS OF CONTROL OF Aedes spp.]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Chávez Almazán]]></surname>
<given-names><![CDATA[Luis Alberto]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Bibiano Sotelo]]></surname>
<given-names><![CDATA[Wendy]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Camacho García]]></surname>
<given-names><![CDATA[José Ángel]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Díaz Ortiz]]></surname>
<given-names><![CDATA[Jesús Antonio]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Secretaría de Salud de Guerrero Banco de Sangre Regional Zona Centro ]]></institution>
<addr-line><![CDATA[Chilpancingo Guerrero]]></addr-line>
<country>México</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Tecnológico Nacional de México Instituto Tecnológico de Acapulco ]]></institution>
<addr-line><![CDATA[Acapulco Guerrero]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Secretaría de Salud de Guerrero Laboratorio Estatal de Salud Pública ]]></institution>
<addr-line><![CDATA[Acapulco Guerrero]]></addr-line>
<country>México</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>00</month>
<year>2019</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>00</month>
<year>2019</year>
</pub-date>
<volume>35</volume>
<numero>2</numero>
<fpage>495</fpage>
<lpage>499</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S0188-49992019000200495&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S0188-49992019000200495&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S0188-49992019000200495&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[RESUMEN Se determinó el impacto de insecticidas organofosforados y carbamatos usados para el combate del mosquito Aedes spp. en campañas sanitarias, a través de la medición de la actividad de butirilcolinesterasa sérica en la temporada seca y de lluvias. Se analizaron las diferencias en los niveles y su tendencia en el tiempo, encontrando diferencias estadísticamente significativas entre ambas temporadas (hombres: temporada seca = 5272 U/L; temporada de lluvias = 4854 U/L; p &lt; 0.05), con una disminución de 92 U/L cada mes. La disminución en los hombres fue de 92 U/L cada mes. La inhibición enzimática encontrada puede ser consecuencia de la exposición a estos insecticidas anticolinesterásicos y deben tomarse medidas de protección contra los riesgos sanitarios relacionados.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[ABSTRACT The impact of organophosphate and carbamate pesticides used to control the Aedes spp. mosquito in sanitary campaigns was determined by measuring serum butirylcholinesterase activity in dry and rainy seasons. Differences in levels and their trend over time were analyzed, finding statistically significant differences between both seasons (men: dry season = 5272 U/L; rainy season = 4854 U/L; p &lt; 0.05), with a decrease of 92 U/L each month. The decrease in men was 92 U/L each month. The enzymatic inhibition may be due to exposure to these anticholinesterase insecticides, and protective measures must be taken against the related health risks.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Aedes aegipty]]></kwd>
<kwd lng="es"><![CDATA[plaguicidas anticolinesterásicos]]></kwd>
<kwd lng="es"><![CDATA[enfermedades transmitidas por vector]]></kwd>
<kwd lng="es"><![CDATA[México]]></kwd>
<kwd lng="en"><![CDATA[Aedes aegipty]]></kwd>
<kwd lng="en"><![CDATA[anticholinesterase pesticides]]></kwd>
<kwd lng="en"><![CDATA[vector-borne diseases]]></kwd>
<kwd lng="en"><![CDATA[Mexico]]></kwd>
</kwd-group>
</article-meta>
</front><back>
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