<?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>1665-3521</journal-id>
<journal-title><![CDATA[Superficies y vacío]]></journal-title>
<abbrev-journal-title><![CDATA[Superf. vacío]]></abbrev-journal-title>
<issn>1665-3521</issn>
<publisher>
<publisher-name><![CDATA[Sociedad Mexicana de Ciencia y Tecnología de Superficies y Materiales A.C.]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S1665-35212020000100001</article-id>
<article-id pub-id-type="doi">10.47566/2020_syv33_1-200601</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Desarrollo de un sustrato flexible y activo para SERS basado en nanoestructuras de metales nobles (Au y Ag)/poliestireno]]></article-title>
<article-title xml:lang="en"><![CDATA[Development of a flexible and active substrate for SERS based on nanostructures of noble metals (Au and Ag)/polystyrene]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Martínez-Zuñiga]]></surname>
<given-names><![CDATA[E.C.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Torres-Gómez]]></surname>
<given-names><![CDATA[N.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Camacho-López]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[López-Téllez]]></surname>
<given-names><![CDATA[G.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Vilchis-Nestor]]></surname>
<given-names><![CDATA[A.R.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad Autónoma del Estado de México Facultad de Química ]]></institution>
<addr-line><![CDATA[Toluca Estado de México]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad Autónoma de Nuevo León Investigación y Desarrollo en Ingeniería y Tecnología Centro de Innovación]]></institution>
<addr-line><![CDATA[Apodaca Nuevo León]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Universidad Autónoma del Estado de México Facultad de Química Laboratorio de Investigación y Desarrollo de Materiales Avanzados]]></institution>
<addr-line><![CDATA[San Cayetano de Morelos Estado de México]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af4">
<institution><![CDATA[,Universidad Autónoma del Estado de México Centro Conjunto de Investigación en Química Sustentable ]]></institution>
<addr-line><![CDATA[San Cayetano de Morelos Estado de México]]></addr-line>
<country>Mexico</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>00</month>
<year>2020</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>00</month>
<year>2020</year>
</pub-date>
<volume>33</volume>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S1665-35212020000100001&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S1665-35212020000100001&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S1665-35212020000100001&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen La necesidad de contar con sistemas de detección altamente sensibles de moléculas orgánicas, que sean rápidos y asequibles para su uso en campo, ha empujado el desarrollo de dispositivos basados en el efecto SERS (por sus siglas en inglés: Surface-Enhanced Raman Spectroscopy). En el presente estudio se reporta la síntesis verde de nanopartículas de Au con Cymbopogon citratus y Citrus paradisi, con forma de estrella y triangulares respectivamente; así como la síntesis química de nanopartículas cúbicas de Ag. Las nanoestructuras fueron caracterizadas por medio de espectroscopia UV-Vis y Microscopia Electrónica de Transmisión. Las nanoestructuras de Ag y Au fueron depositadas sobre una superficie de poliestireno acanalado, para evaluar estos sistemas como sustratos activos para SERS utilizando el azul de metileno como molécula objetivo. En todos los casos se consigue una mejora en las señales Raman características del azul de metileno, especialmente cuando se emplean las nanoestructuras con morfología tipo estrella de Au.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract The need for fast and affordable portable detection systems, which are highly sensitive to organic molecules, has directed the development of devices based on SERS effect (Surface-Enhanced Raman Spectroscopy). In the present study, the green synthesis of Au nanoparticles assisted with Cymbopogon citratus and Citrus paradisi aqueous extract is reported, which are obtained with star-like and triangular shapes, respectively, as well as the chemical synthesis of cubic Ag nanoparticles. The nanostructures were characterized with UV-Vis spectroscopy and Transmission Electron Microscopy. The Ag and Au nanostructures were deposited on a ribbed polystyrene surface, to evaluate these arrays as active substrates for SERS using methylene blue as target molecule. An improvement in the characteristic Raman signals of methylene blue was observed in all cases, especially when Au nanostructures with star-like morphology are employed.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[SERS]]></kwd>
<kwd lng="es"><![CDATA[nanopartículas de metales nobles]]></kwd>
<kwd lng="es"><![CDATA[azul de metileno]]></kwd>
<kwd lng="es"><![CDATA[Citrus paradisi]]></kwd>
<kwd lng="es"><![CDATA[Cymbopogon citratus]]></kwd>
<kwd lng="en"><![CDATA[SERS]]></kwd>
<kwd lng="en"><![CDATA[noble metal nanoparticles]]></kwd>
<kwd lng="en"><![CDATA[methylene blue]]></kwd>
<kwd lng="en"><![CDATA[Citrus paradise]]></kwd>
<kwd lng="en"><![CDATA[Cymbopogon citratus]]></kwd>
</kwd-group>
</article-meta>
</front><back>
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