<?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>0124-8170</journal-id>
<journal-title><![CDATA[Ciencia e Ingeniería Neogranadina]]></journal-title>
<abbrev-journal-title><![CDATA[Cienc. Ing. Neogranad.]]></abbrev-journal-title>
<issn>0124-8170</issn>
<publisher>
<publisher-name><![CDATA[Universidad Militar Nueva Granada]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0124-81702024000200063</article-id>
<article-id pub-id-type="doi">10.18359/rcin.7276</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[Computational Modeling of Light Scattering in Polymer Nanoparticles for Optical Characterization]]></article-title>
<article-title xml:lang="es"><![CDATA[Modelado Computacional de la Dispersión de Luz en Nanopartículas de Polímero para Caracterización Óptica]]></article-title>
<article-title xml:lang="pt"><![CDATA[Modelagem computacional da dispersão da luz em nanopartículas de polímero para caracterização óptica]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Puentes Ossa]]></surname>
<given-names><![CDATA[Agni]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Rodriguez Patarroyo]]></surname>
<given-names><![CDATA[Diego Julian]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Salamanca Bernal]]></surname>
<given-names><![CDATA[Julian Andres]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad Distrital Francisco José de Caldas  ]]></institution>
<addr-line><![CDATA[Bogotá ]]></addr-line>
<country>Colombia</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad Distrital Francisco José de Caldas  ]]></institution>
<addr-line><![CDATA[Bogotá ]]></addr-line>
<country>Colombia</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Universidad Distrital Francisco José de Caldas  ]]></institution>
<addr-line><![CDATA[Bogotá ]]></addr-line>
<country>Colombia</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>12</month>
<year>2024</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>12</month>
<year>2024</year>
</pub-date>
<volume>34</volume>
<numero>2</numero>
<fpage>63</fpage>
<lpage>75</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_arttext&amp;pid=S0124-81702024000200063&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_abstract&amp;pid=S0124-81702024000200063&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_pdf&amp;pid=S0124-81702024000200063&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract: The scattering of light by polymeric nanoparticles is a crucial phenomenon in various applications, ranging from nanomedicine to nanophononics. This study introduces a theoretical framework for differentiating between absorption and scattering spectra in light interactions with these nanoparticles. Characteristic spectral data of nanoparticles synthesized via the reprecipitation method and suspended in an aqueous medium analyzed under electromagnetic radiation. These nanoparticles exhibit two primary optical phenomena: absorption and scattering. To fully understand their optical response, it is essential to separate these phenomena. This study established a relationship between wavelength variation, nanoparticle size, and radiation loss due to scattering in an aqueous medium. Additionally, we calculated extinction efficiency and extinction factors as functions of wavelength, taking into account variations in nanoparticle radii and refractive indices.]]></p></abstract>
<abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen: La dispersión de la luz por nanopartículas poliméricas es un fenómeno crucial en diversas aplicaciones, desde nanomedicina hasta nano fotónica. Este trabajo introduce un marco teórico para distinguir entre los espectros de absorción y dispersión en las interacciones de la luz con estas nano-partículas. Datos espectrales característicos de nanopartículas, sintetizadas mediante el método de re-precipitación y suspendidas en un medio acuoso, fueron analizados bajo radiación electromagnética. Estas nanopartículas exhiben dos fenómenos ópticos primarios: absorción y dispersión, los cuales deben separarse para comprender completamente su respuesta óptica. Se estableció una conexión entre la variación de longitud de onda, el tamaño de la nanopartícula y la pérdida de radiación atribuible a la dispersión en un medio acuoso. Además, se realizaron cálculos del factor de eficiencia de extinción y factores de extinción en función de la longitud de onda, teniendo en cuenta las variaciones en los radios de las nanopartículas e índices de refracción.]]></p></abstract>
<abstract abstract-type="short" xml:lang="pt"><p><![CDATA[Resumo: A dispersão da luz por nanopartículas poliméricas é um fenômeno crucial em diversas aplicações, desde a nanomedicina até a nanofotônica. Este trabalho introduz um marco teóricio para distinguir entre os espectros de absorção e dispersão nas interações da luz com essas nanopartí-culas. Dados espectrais característicos de nanopartículas, sintetizadas pelo método de reprecipi-tação e suspensas em meio aquoso, sob radiação eletromagnética. Essas nanopartículas exibem dois fenômenos ópticos primários: absorção e dispersão, os quais precisam ser separados para uma compreensão completa de sua resposta óptica. Estabeleceu-se uma conexão entre a variação do comprimento de onda, o tamanho da nanopartícula e a perda de radiação atribuída à dispersão em meio aquoso. Além disso, foram realizados cálculos do fator de eficiência de extinção e dos fatores de extinção em função da longitude de onda, considerando as variações nos raios das nanopartículas e nos índices de refração.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[Polymer nanoparticles]]></kwd>
<kwd lng="en"><![CDATA[Mie theory]]></kwd>
<kwd lng="en"><![CDATA[light scattering]]></kwd>
<kwd lng="en"><![CDATA[numerical modelling]]></kwd>
<kwd lng="en"><![CDATA[spectral partitioning]]></kwd>
<kwd lng="es"><![CDATA[nanopartículas poliméricas]]></kwd>
<kwd lng="es"><![CDATA[teoría de Mie]]></kwd>
<kwd lng="es"><![CDATA[dispersión de luz]]></kwd>
<kwd lng="es"><![CDATA[modelo numérico]]></kwd>
<kwd lng="es"><![CDATA[división de espectro]]></kwd>
<kwd lng="pt"><![CDATA[nanopartículas poliméricas]]></kwd>
<kwd lng="pt"><![CDATA[teoria de Mie]]></kwd>
<kwd lng="pt"><![CDATA[dispersão de luz]]></kwd>
<kwd lng="pt"><![CDATA[modelo numérico]]></kwd>
<kwd lng="pt"><![CDATA[divisão de espectro]]></kwd>
</kwd-group>
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