<?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>2223-4861</journal-id>
<journal-title><![CDATA[Centro Azúcar]]></journal-title>
<abbrev-journal-title><![CDATA[cen. az.]]></abbrev-journal-title>
<issn>2223-4861</issn>
<publisher>
<publisher-name><![CDATA[Editorial Feijóo]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S2223-48612022000100062</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[METODOLOGÍA PARA ESTIMAR EL POTENCIAL FOTOSINTÉTICO DE ALGAS EN BIORREACTORES]]></article-title>
<article-title xml:lang="en"><![CDATA[METHODOLOGY TO ESTIMATE THE ALGAE PHOTOSYNTHETIC POTENTIAL IN BIOREACTORS]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Cárdenas-Ortiz]]></surname>
<given-names><![CDATA[Rolando]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[López-Águila]]></surname>
<given-names><![CDATA[Madeleine]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Roche-Delgado]]></surname>
<given-names><![CDATA[Liset]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad Central &#8220;Marta Abreu&#8221; de Las Villas Facultad de Matemática, Física y Computación Departamento de Física]]></institution>
<addr-line><![CDATA[Santa Clara Villa Clara]]></addr-line>
<country>Cuba</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad Central &#8220;Marta Abreu&#8221; de Las Villas Facultad de Química y Farmacia Departamento Ingeniería Química]]></institution>
<addr-line><![CDATA[Santa Clara Villa Clara]]></addr-line>
<country>Cuba</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>03</month>
<year>2022</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>03</month>
<year>2022</year>
</pub-date>
<volume>49</volume>
<numero>1</numero>
<fpage>62</fpage>
<lpage>70</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_arttext&amp;pid=S2223-48612022000100062&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_abstract&amp;pid=S2223-48612022000100062&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_pdf&amp;pid=S2223-48612022000100062&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[RESUMEN  Introducción:  El cultivo intensivo de algas contribuye a la reducción de emisión de gases de efecto invernadero a la atmósfera, dejando como valor agregado la biomasa algal.  Objetivo:  Estimar el potencial fotosintético de micro- y macroalgas en reactores biológicos expuestos a la intemperie.  Materiales y Métodos:  La metodología propuesta permite estimar el potencial fotosintético de algas cultivadas en biorreactores que utilizan dióxido de carbono residual industrial. Se contempla el cálculo de las radiaciones fotosintéticamente activa y ultravioleta que llegan a la superficie del reactor, la modelación de la propagación de estas en la columna de agua y el cálculo del consecuente potencial fotosintético.  Resultados y Discusión:  Los resultados muestran que las diferencias en productividad de biomasa entre distintas especies de algas están más condicionadas por diferencias en la eficiencia en la asimilación de nutrientes y sensibilidad a temperatura y pH que a diferencias en la eficiencia fotosintética.  Conclusiones:  Se presentaron resultados preliminares para biorreactores que serían alimentados con aguas marinas costeras. Para los casos analizados, los resultados muestran que en aguas costeras más turbias el potencial fotosintético es mayor que para aguas costeras más claras, lo cual está condicionado por el mayor poder inhibitorio de la radiación ultravioleta en aguas claras a las pequeñas profundidades de los biorreactores. Asimismo la eficiencia en el procesamiento de la radiación fotosintéticamente activa, característica de cada especie de alga, influye poco en el potencial fotosintético, debido a la dominancia de la radiación ultravioleta en aguas someras.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[ABSTRACT  Introduction:  Intensive culture of algae reduces the emission of greenhouse gases to the atmosphere, giving algal biomass as added value.  Objective: To estimate the micro- and macroalgae photosynthetic potential in biological reactors.  Materials and Methods:  The proposed methodology allows estimating photosynthetic potential of algae grown in bioreactors that use industrial residual carbon dioxide. Calculation of photosynthetically active and ultraviolet radiation reaching reactor surface, the modeling of their propagation in water column and calculation of the consequent photosynthetic potential are contemplated.  Results and Discussion:  The results show that the differences in biomass productivity between different algae species are more conditioned by differences in the efficiency of nutrient assimilation and sensitivity to temperature and pH than to differences in photosynthetic efficiency.  Conclusions: Preliminary results were presented for bioreactors that would be fed with coastal marine waters. For analyzed cases, the results show that in turbid coastal waters the photosynthetic potential is greater than for clearer coastal waters, which is conditioned by the greater inhibitory power of ultraviolet radiation in clear waters at bioreactors small depths. Likewise, the efficiency in the processing of photosynthetically active radiation, characteristic of each algae species, has little influence on the photosynthetic potential, due to the dominance of ultraviolet radiation in shallow waters.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[algas]]></kwd>
<kwd lng="es"><![CDATA[biorremediación]]></kwd>
<kwd lng="es"><![CDATA[canopia]]></kwd>
<kwd lng="es"><![CDATA[fotosíntesis]]></kwd>
<kwd lng="en"><![CDATA[algae]]></kwd>
<kwd lng="en"><![CDATA[biorremediation]]></kwd>
<kwd lng="en"><![CDATA[canopy]]></kwd>
<kwd lng="en"><![CDATA[photosynthesis]]></kwd>
</kwd-group>
</article-meta>
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