Effect of the temperature, pH and irradiance on the photosynthetic activity by Scenedesmus obtusiusculus under nitrogen replete and deplete conditions
This paper evaluates the effect of the irradiance, pH and temperature on the photosynthetic activity (PA) of Scenedesmus obtusiusculus under N-replete and N-deplete conditions through oxygen measurements. The highest PA values were 160 mgO2 gb(-1) h(-1) at 620 μmol m(-2) s(-1), 35 °C and pH of 8 und...
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| Veröffentlicht in: | Bioresource technology 2015-04, Vol.181, p.128-135 |
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| creator | Cabello, Juan Toledo-Cervantes, Alma Sánchez, León Revah, Sergio Morales, Marcia |
| description | This paper evaluates the effect of the irradiance, pH and temperature on the photosynthetic activity (PA) of Scenedesmus obtusiusculus under N-replete and N-deplete conditions through oxygen measurements. The highest PA values were 160 mgO2 gb(-1) h(-1) at 620 μmol m(-2) s(-1), 35 °C and pH of 8 under N-replete conditions and 3.3 mgO2 gb(-1) h(-1) at 100 μmol m(-2) s(-1), 28.5 °C and pH of 5.5 for N-deplete conditions. Those operation conditions were tested in a flat-panel photobioreactor. The biomass productivity was 0.97 gb L(-1) d(-1) under N-replete conditions with a photosynthetic efficiency (PE) of 4.4% yielding 0.85 gb mol photon(-1). Similar biomass productivity was obtained under N-deplete condition; and the lipid productivity was 0.34 gL L(-1) d(-1) with a PE of 7.8% yielding 0.39 gL mol photon(-1). The apparent activation and deactivation energies were 16.1 and 30 kcal mol(-1), and 11.9 and 15.3 kcal mol(-1), for N-replete and N-deplete conditions, respectively. |
| doi_str_mv | 10.1016/j.biortech.2015.01.034 |
| format | Article |
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The highest PA values were 160 mgO2 gb(-1) h(-1) at 620 μmol m(-2) s(-1), 35 °C and pH of 8 under N-replete conditions and 3.3 mgO2 gb(-1) h(-1) at 100 μmol m(-2) s(-1), 28.5 °C and pH of 5.5 for N-deplete conditions. Those operation conditions were tested in a flat-panel photobioreactor. The biomass productivity was 0.97 gb L(-1) d(-1) under N-replete conditions with a photosynthetic efficiency (PE) of 4.4% yielding 0.85 gb mol photon(-1). Similar biomass productivity was obtained under N-deplete condition; and the lipid productivity was 0.34 gL L(-1) d(-1) with a PE of 7.8% yielding 0.39 gL mol photon(-1). The apparent activation and deactivation energies were 16.1 and 30 kcal mol(-1), and 11.9 and 15.3 kcal mol(-1), for N-replete and N-deplete conditions, respectively.</description><identifier>ISSN: 0960-8524</identifier><identifier>EISSN: 1873-2976</identifier><identifier>DOI: 10.1016/j.biortech.2015.01.034</identifier><identifier>PMID: 25647022</identifier><language>eng</language><publisher>England</publisher><subject>Biomass ; Hydrogen-Ion Concentration ; Light ; Lipids - biosynthesis ; Nitrogen - pharmacology ; Oxidative Stress - drug effects ; Oxidative Stress - radiation effects ; Oxygen - metabolism ; Photobioreactors - microbiology ; Photosynthesis - drug effects ; Photosynthesis - radiation effects ; Scenedesmus - drug effects ; Scenedesmus - physiology ; Scenedesmus - radiation effects ; Temperature</subject><ispartof>Bioresource technology, 2015-04, Vol.181, p.128-135</ispartof><rights>Copyright © 2015 Elsevier Ltd. All rights reserved.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c311t-5c0e34dea4e6bbc73edcbc9a82f6f27d91fce24106e548e6b094fb3da3c43dea3</citedby><cites>FETCH-LOGICAL-c311t-5c0e34dea4e6bbc73edcbc9a82f6f27d91fce24106e548e6b094fb3da3c43dea3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>315,781,785,27926,27927</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/25647022$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Cabello, Juan</creatorcontrib><creatorcontrib>Toledo-Cervantes, Alma</creatorcontrib><creatorcontrib>Sánchez, León</creatorcontrib><creatorcontrib>Revah, Sergio</creatorcontrib><creatorcontrib>Morales, Marcia</creatorcontrib><title>Effect of the temperature, pH and irradiance on the photosynthetic activity by Scenedesmus obtusiusculus under nitrogen replete and deplete conditions</title><title>Bioresource technology</title><addtitle>Bioresour Technol</addtitle><description>This paper evaluates the effect of the irradiance, pH and temperature on the photosynthetic activity (PA) of Scenedesmus obtusiusculus under N-replete and N-deplete conditions through oxygen measurements. The highest PA values were 160 mgO2 gb(-1) h(-1) at 620 μmol m(-2) s(-1), 35 °C and pH of 8 under N-replete conditions and 3.3 mgO2 gb(-1) h(-1) at 100 μmol m(-2) s(-1), 28.5 °C and pH of 5.5 for N-deplete conditions. Those operation conditions were tested in a flat-panel photobioreactor. The biomass productivity was 0.97 gb L(-1) d(-1) under N-replete conditions with a photosynthetic efficiency (PE) of 4.4% yielding 0.85 gb mol photon(-1). Similar biomass productivity was obtained under N-deplete condition; and the lipid productivity was 0.34 gL L(-1) d(-1) with a PE of 7.8% yielding 0.39 gL mol photon(-1). The apparent activation and deactivation energies were 16.1 and 30 kcal mol(-1), and 11.9 and 15.3 kcal mol(-1), for N-replete and N-deplete conditions, respectively.</description><subject>Biomass</subject><subject>Hydrogen-Ion Concentration</subject><subject>Light</subject><subject>Lipids - biosynthesis</subject><subject>Nitrogen - pharmacology</subject><subject>Oxidative Stress - drug effects</subject><subject>Oxidative Stress - radiation effects</subject><subject>Oxygen - metabolism</subject><subject>Photobioreactors - microbiology</subject><subject>Photosynthesis - drug effects</subject><subject>Photosynthesis - radiation effects</subject><subject>Scenedesmus - drug effects</subject><subject>Scenedesmus - physiology</subject><subject>Scenedesmus - radiation effects</subject><subject>Temperature</subject><issn>0960-8524</issn><issn>1873-2976</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2015</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNo9kctu1TAQhi1ERQ-FV6i8ZEGCb3GSJaoKRarURcvacuwxx0eJHXxBOi_C8zZtT7uaf6Tvn1l8CF1S0lJC5bdDO_mYCph9ywjtWkJbwsU7tKNDzxs29vI92pFRkmbomDhHH3M-EEI47dkHdM46KXrC2A79v3YOTMHR4bIHXGBZIelSE3zF6w3WwWKfkrZeBwM4hmdq3ccS8zFsuXiDtSn-ny9HPB3xvYEAFvJSM45TqdnXbOq8bTVYSDj4kuIfCDjBOkOB5w_2lE0M1hcfQ_6EzpyeM3w-zQv0-8f1w9VNc3v389fV99vGcEpL0xkCXFjQAuQ0mZ6DNZMZ9cCcdKy3I3UGmKBEQieGjSGjcBO3mhvBtxq_QF9e7q4p_q2Qi1p8NjDPOkCsWVHZDYL2ZKAbKl9Qk2LOCZxak190OipK1JMTdVCvTtSTE0Wo2pxsxcvTjzotYN9qrxL4I0UakE4</recordid><startdate>201504</startdate><enddate>201504</enddate><creator>Cabello, Juan</creator><creator>Toledo-Cervantes, Alma</creator><creator>Sánchez, León</creator><creator>Revah, Sergio</creator><creator>Morales, Marcia</creator><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7X8</scope></search><sort><creationdate>201504</creationdate><title>Effect of the temperature, pH and irradiance on the photosynthetic activity by Scenedesmus obtusiusculus under nitrogen replete and deplete conditions</title><author>Cabello, Juan ; Toledo-Cervantes, Alma ; Sánchez, León ; Revah, Sergio ; Morales, Marcia</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c311t-5c0e34dea4e6bbc73edcbc9a82f6f27d91fce24106e548e6b094fb3da3c43dea3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2015</creationdate><topic>Biomass</topic><topic>Hydrogen-Ion Concentration</topic><topic>Light</topic><topic>Lipids - biosynthesis</topic><topic>Nitrogen - pharmacology</topic><topic>Oxidative Stress - drug effects</topic><topic>Oxidative Stress - radiation effects</topic><topic>Oxygen - metabolism</topic><topic>Photobioreactors - microbiology</topic><topic>Photosynthesis - drug effects</topic><topic>Photosynthesis - radiation effects</topic><topic>Scenedesmus - drug effects</topic><topic>Scenedesmus - physiology</topic><topic>Scenedesmus - radiation effects</topic><topic>Temperature</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Cabello, Juan</creatorcontrib><creatorcontrib>Toledo-Cervantes, Alma</creatorcontrib><creatorcontrib>Sánchez, León</creatorcontrib><creatorcontrib>Revah, Sergio</creatorcontrib><creatorcontrib>Morales, Marcia</creatorcontrib><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>MEDLINE - Academic</collection><jtitle>Bioresource technology</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Cabello, Juan</au><au>Toledo-Cervantes, Alma</au><au>Sánchez, León</au><au>Revah, Sergio</au><au>Morales, Marcia</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Effect of the temperature, pH and irradiance on the photosynthetic activity by Scenedesmus obtusiusculus under nitrogen replete and deplete conditions</atitle><jtitle>Bioresource technology</jtitle><addtitle>Bioresour Technol</addtitle><date>2015-04</date><risdate>2015</risdate><volume>181</volume><spage>128</spage><epage>135</epage><pages>128-135</pages><issn>0960-8524</issn><eissn>1873-2976</eissn><abstract>This paper evaluates the effect of the irradiance, pH and temperature on the photosynthetic activity (PA) of Scenedesmus obtusiusculus under N-replete and N-deplete conditions through oxygen measurements. The highest PA values were 160 mgO2 gb(-1) h(-1) at 620 μmol m(-2) s(-1), 35 °C and pH of 8 under N-replete conditions and 3.3 mgO2 gb(-1) h(-1) at 100 μmol m(-2) s(-1), 28.5 °C and pH of 5.5 for N-deplete conditions. Those operation conditions were tested in a flat-panel photobioreactor. The biomass productivity was 0.97 gb L(-1) d(-1) under N-replete conditions with a photosynthetic efficiency (PE) of 4.4% yielding 0.85 gb mol photon(-1). Similar biomass productivity was obtained under N-deplete condition; and the lipid productivity was 0.34 gL L(-1) d(-1) with a PE of 7.8% yielding 0.39 gL mol photon(-1). The apparent activation and deactivation energies were 16.1 and 30 kcal mol(-1), and 11.9 and 15.3 kcal mol(-1), for N-replete and N-deplete conditions, respectively.</abstract><cop>England</cop><pmid>25647022</pmid><doi>10.1016/j.biortech.2015.01.034</doi><tpages>8</tpages></addata></record> |
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| subjects | Biomass Hydrogen-Ion Concentration Light Lipids - biosynthesis Nitrogen - pharmacology Oxidative Stress - drug effects Oxidative Stress - radiation effects Oxygen - metabolism Photobioreactors - microbiology Photosynthesis - drug effects Photosynthesis - radiation effects Scenedesmus - drug effects Scenedesmus - physiology Scenedesmus - radiation effects Temperature |
| title | Effect of the temperature, pH and irradiance on the photosynthetic activity by Scenedesmus obtusiusculus under nitrogen replete and deplete conditions |
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