<?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>S0120-28042017000100013</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Valores de colinesterasa plasmática y eritrocitaria con ácido 6-6&#8217;-ditiodinicotínico (DTNA) como indicador]]></article-title>
<article-title xml:lang="en"><![CDATA[Plasma and eritrocitary cholinesterase values with 6-6'-dithiodinicotinic acid (DTNA) as indicator]]></article-title>
<article-title xml:lang="pt"><![CDATA[Valores da colinesterase plasmática e eritrocitária utilizando o ácido 6-6-ditiodinicotínico (DTNA) como indicador]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Restrepo Córtes]]></surname>
<given-names><![CDATA[Beatriz]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Londoño Franco]]></surname>
<given-names><![CDATA[Ángela Liliana]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Sánchez López]]></surname>
<given-names><![CDATA[Juan Farid]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
<xref ref-type="aff" rid="Aaf"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad del Quindío Grupo de investigación en enfermedades cardiovasculares y metabólicas ]]></institution>
<addr-line><![CDATA[Armenia Quindío]]></addr-line>
<country>Colombia</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad del Quindío Grupo de investigación en Salud pública ]]></institution>
<addr-line><![CDATA[Armenia Quindío]]></addr-line>
<country>Colombia</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Universidad del Quindío  ]]></institution>
<addr-line><![CDATA[Armenia Quindío]]></addr-line>
<country>Colombia</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>04</month>
<year>2017</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>04</month>
<year>2017</year>
</pub-date>
<volume>46</volume>
<numero>1</numero>
<fpage>13</fpage>
<lpage>19</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_arttext&amp;pid=S0120-28042017000100013&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_abstract&amp;pid=S0120-28042017000100013&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_pdf&amp;pid=S0120-28042017000100013&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen Se realizó un estudio descriptivo transversal empleando ácido 6-6'-ditiodinicotinico (DTNA) como indicador para calcular los valores de la actividad de colinesterasa plasmática (AchP) y eritrocitaria (AchE) humana y estandarizarlos para ser utilizados como indicadores de riesgo laboral por exposición a organofosforados y carbamates en la población de la zona cafetera de Colombia. Se eligió esta técnica pues es una alternativa precisa, sencilla y económica: con pocos interferentes permite analizar AchP y AchE, no se tiene que corregir con hemoglobina; el DTNA es estable congelado o refrigerado y permite analizar muchas muestras en poco tiempo. Se evaluaron 819 muestras de agricultores. La AchE fue significativamente mayor en las personas menores de 45 años y en personas no fumigadoras, la AchP fue mayor en los fumigadores; esto es un indicador de que la población fumigadora se encuentra expuesta a organofosforados y carbamatos de forma prolongada. Se sugiere utilizar como valores máximos de referencia de la AchE y AchP 11378 U/L y 10354 U/L, respectivamente como indicadores de intervención ocupacional.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract A cross-sectional descriptive study using 6-6'-dithiodinicotinic acid (DTNA) as an indicator was performed to calculate the values of plasma cholinesterase (AchP) and erythrocyte (AchE) activity and to standardize them to be used as indicators of occupational risk by exposure to organophosphates and carbamates in the population of the Colombian Coffee Growing Area. This method was chosen because it is an accurate, simple, and nonexpensive alternative: with few interferents it allows measuring both AchP and AchE, it does not have to be corrected with hemoglobin; The DTNA is stable frozen or refrigerated and allows to analyze many samples in a short time. A number of 819 samples from farmers were evaluated. While AchE was significantly higher in people under 45 years and in non-fumigating people, AchP was higher in fumigators; this result is an indicator that the fumigant population is exposed to organophosphates and carbamates on a long-term basis. It is suggested to use as maximum reference values of AchE and AchP 11378 U / L and 10354 U / L, respectively as indicators of occupational intervention.]]></p></abstract>
<abstract abstract-type="short" xml:lang="pt"><p><![CDATA[Resumo Foi realizado um estudo descritivo transversal usando ácido 6-6'-ditiodinicotinico (DTNA) como indicador a fim de calcular os valores de atividade da colinesterase plasmática (AchP) e eritrocitária (AchE) humana e padronizar estes valores para ser utilizados na região cafeteira da Colômbia. Esta técnica foi elegida porque e uma alternativa precisa, simples e econômica: tem poucos interferentes e permite analisar AchP e AchE, não deve corrigir-se com hemoglobina; o DNTA e estável congelado ou refrigerado e permite analisar muitas amostras em pouco tempo. Foram avaliadas 819 amostras de agricultores. A AchE foi significativamente maior nas pessoas com menos de 45 anos e em pessoas não pulverizadoras, a AchP foi maior nas pessoas pulverizadoras; isso e um indicador de que a população pulverizadora encontra-se exposta a organofosforados e carbamatos de maneira prolongada. Sugere-se utilizar como valores máximos de referência da AchE e AchP 11378 U/L y 10354 U/L, respectivamente como indicadores de intervenção ocupacional.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[intoxicación por plaguicidas]]></kwd>
<kwd lng="es"><![CDATA[colinesterasa plasmática]]></kwd>
<kwd lng="es"><![CDATA[colinesterasa eritrocitaria]]></kwd>
<kwd lng="es"><![CDATA[DTNA]]></kwd>
<kwd lng="en"><![CDATA[pesticide poisoning]]></kwd>
<kwd lng="en"><![CDATA[plasma cholinesterase]]></kwd>
<kwd lng="en"><![CDATA[erythrocyte cholinesterase]]></kwd>
<kwd lng="en"><![CDATA[DTNA]]></kwd>
<kwd lng="pt"><![CDATA[envenenamento por pesticidas]]></kwd>
<kwd lng="pt"><![CDATA[colinesterase plasmática]]></kwd>
<kwd lng="pt"><![CDATA[colinesterase eritrocitária]]></kwd>
<kwd lng="pt"><![CDATA[DNTA]]></kwd>
</kwd-group>
</article-meta>
</front><back>
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