<?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>0123-3033</journal-id>
<journal-title><![CDATA[Ingeniería y competitividad]]></journal-title>
<abbrev-journal-title><![CDATA[Ing. compet.]]></abbrev-journal-title>
<issn>0123-3033</issn>
<publisher>
<publisher-name><![CDATA[Facultad de Ingeniería, Universidad del Valle]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0123-30332021000200301</article-id>
<article-id pub-id-type="doi">10.25100/iyc.v23i2.10484</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[Diagnosis of COVID-19 and innovative alternative methods based on optic fiber immunosensor]]></article-title>
<article-title xml:lang="es"><![CDATA[Diagnóstico de COVID-19 y métodos alternativos innovadores basados en inmunosensores de fibra óptica]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Nieto-Callejas]]></surname>
<given-names><![CDATA[María J.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Cardona-Maya]]></surname>
<given-names><![CDATA[Walter D.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Isaza-Merino]]></surname>
<given-names><![CDATA[César A.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Cardona-Maya]]></surname>
<given-names><![CDATA[Yamile]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad Católica Luis Amigó Facultad de Ingenierías y Arquitectura ]]></institution>
<addr-line><![CDATA[Medellín ]]></addr-line>
<country>Colombia</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad de Antioquia Escuela de Medicina Departamento de Microbiología y Parasitología]]></institution>
<addr-line><![CDATA[Medellín ]]></addr-line>
<country>Colombia</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Institución Universitaria Pascual Bravo Facultad de Ingeniería Grupo de Investigación e Innovación en Energía GIIEN]]></institution>
<addr-line><![CDATA[Medellín ]]></addr-line>
<country>Colombia</country>
</aff>
<aff id="Af4">
<institution><![CDATA[,Universidad Católica Luis Amigó Departamento de Ciencias Básicas ]]></institution>
<addr-line><![CDATA[Medellín ]]></addr-line>
<country>Colombia</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>12</month>
<year>2021</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>12</month>
<year>2021</year>
</pub-date>
<volume>23</volume>
<numero>2</numero>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_arttext&amp;pid=S0123-30332021000200301&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_abstract&amp;pid=S0123-30332021000200301&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_pdf&amp;pid=S0123-30332021000200301&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract This work shows a world overview of COVID-19 diagnostic methods, analyzing their effectiveness and sensitivity. With a special emphasis on biosensors, specifically, those that are based on fiber-optic technology, simply explaining their operation and their ability to detect virus as SARS-CoV-2. With these technological advances, the clinical diagnosis will be made faster, cheaper, and applied to patients in remote places where there are no hospitals or clinical laboratories, either due to poverty, geographic difficulties, or violence, factors found in Colombia.]]></p></abstract>
<abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen Este trabajo muestra una revisión mundial de los métodos diagnósticos de COVID-19, analizando sus efectividades y sensibilidades. Con un énfasis especial en los biosensores, particularmente, los que se basan en la tecnología de las fibras ópticas, explicando de manera simple su funcionamiento y su capacidad para detectar virus como el SARS-CoV-2. Con estos avances tecnológicos, el diagnóstico clínico será rápido, económico y podrá aplicarse en pacientes que vivan en lugares remotos donde no hay hospitales ni laboratorios clínicos, debido a la pobreza, las dificultades geográficas o violencia que son factores que se encuentran en Colombia.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[Biosensor]]></kwd>
<kwd lng="en"><![CDATA[COVID-19]]></kwd>
<kwd lng="en"><![CDATA[Clinical Diagnostics]]></kwd>
<kwd lng="en"><![CDATA[Medicine]]></kwd>
<kwd lng="en"><![CDATA[Technology and Optical fiber]]></kwd>
<kwd lng="es"><![CDATA[Biosensor]]></kwd>
<kwd lng="es"><![CDATA[COVID-19]]></kwd>
<kwd lng="es"><![CDATA[Diagnóstico clínico]]></kwd>
<kwd lng="es"><![CDATA[Medicina]]></kwd>
<kwd lng="es"><![CDATA[Tecnología y Fibra óptica]]></kwd>
</kwd-group>
</article-meta>
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