<?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>0872-1904</journal-id>
<journal-title><![CDATA[Portugaliae Electrochimica Acta]]></journal-title>
<abbrev-journal-title><![CDATA[Port. Electrochim. Acta]]></abbrev-journal-title>
<issn>0872-1904</issn>
<publisher>
<publisher-name><![CDATA[Sociedade Portuguesa de Electroquímica]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0872-19042022000500363</article-id>
<article-id pub-id-type="doi">10.4152/pea.2022400504</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[Atrazine Voltammetric Determination in the Pesticide Industries Wastewater by Gold Nanoparticles at a Modified Glassy Carbon Electrode]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Memon]]></surname>
<given-names><![CDATA[Safia Sanam]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Waris]]></surname>
<given-names><![CDATA[Muhammad]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
<xref ref-type="aff" rid="Aaf"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Sidhu]]></surname>
<given-names><![CDATA[Ahmed Raza]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Zaqa]]></surname>
<given-names><![CDATA[Marriam]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,University of Sindh Center of Excellence in Analytical Chemistry ]]></institution>
<addr-line><![CDATA[Jamshoro ]]></addr-line>
<country>Pakistan</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Hacettepe University Department of Analytical Chemistry Faculty of Pharmacy]]></institution>
<addr-line><![CDATA[Ankara ]]></addr-line>
<country>Turkey</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,University of Sindh Dr. M. A. Kazi&#8217;s Institute of Chemistry ]]></institution>
<addr-line><![CDATA[Jamshoro ]]></addr-line>
<country>Pakistan</country>
</aff>
<aff id="Af4">
<institution><![CDATA[,Yangzhou University College of Physical Science and Technology ]]></institution>
<addr-line><![CDATA[Jiangsu ]]></addr-line>
<country>China</country>
</aff>
<pub-date pub-type="pub">
<day>30</day>
<month>10</month>
<year>2022</year>
</pub-date>
<pub-date pub-type="epub">
<day>30</day>
<month>10</month>
<year>2022</year>
</pub-date>
<volume>40</volume>
<numero>5</numero>
<fpage>363</fpage>
<lpage>372</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://scielo.pt/scielo.php?script=sci_arttext&amp;pid=S0872-19042022000500363&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.pt/scielo.php?script=sci_abstract&amp;pid=S0872-19042022000500363&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.pt/scielo.php?script=sci_pdf&amp;pid=S0872-19042022000500363&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract In this study, gold nanoparticles (AuNPs) were synthesized using sodium borohydride (NaBH4) as reductant. AuNPs size and shape were experimented by using various characterization techniques. The synthesized AuNPs performance capability for atrazine (ATR) detection, at a glassy carbon electrode (GCE), was verified using cyclic voltammetry (CV) as the determining mode. AuNPs impressive electrochemical performance and stability at the GCE led to further studies, without the need to apply nafion. ATR linear concentration plot ranged from 10 to 17 nM, with a lower limit of detection (LOD) of 0.17 nM, and a regression coefficient (R2) of 0.9934, under optimized conditions. The proposed sensor was very reliable, with a relative standard deviation (RSD) of 1.1%, for n = 20, and it was quite sensitive for ATR, with no discernible interference from other ions. Consequently, AuNPs were effectively used to identify ATR in several pesticide industry wastewater samples.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[ATR]]></kwd>
<kwd lng="en"><![CDATA[AuNPs]]></kwd>
<kwd lng="en"><![CDATA[GCE, sensor]]></kwd>
<kwd lng="en"><![CDATA[wastewater]]></kwd>
</kwd-group>
</article-meta>
</front><back>
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