A new bioenergetic and thermodynamic approach to batch photoautotrophic growth of Arthrospira (Spirulina) platensis in different photobioreactors and under different light conditions.
Identifieur interne : 000052 ( Main/Exploration ); précédent : 000051; suivant : 000053A new bioenergetic and thermodynamic approach to batch photoautotrophic growth of Arthrospira (Spirulina) platensis in different photobioreactors and under different light conditions.
Auteurs : Milena Fernandes Da Silva [Italie] ; Alessandro Alberto Casazza [Italie] ; Pier Francesco Ferrari [Italie] ; Patrizia Perego [Italie] ; Raquel Pedrosa Bezerra [Brésil] ; Attilio Converti [Italie] ; Ana Lucia Figueiredo Porto [Brésil]Source :
- Bioresource technology ; 2016.
Abstract
Photobioreactor configuration, mode of operation and light intensity are known to strongly impact on cyanobacteria growth. To shed light on these issues, kinetic, bioenergetic and thermodynamic parameters of batch Arthrospira platensis cultures were estimated along the time at photosynthetic photon flux density (PPFD) of 70μmolm(-2)s(-1) in different photobioreactors with different surface/volume ratio (S/V), namely open pond (0.25cm(-1)), shaken flask (0.48cm(-1)), horizontal photobioreactor (HoP) (1.94cm(-1)) and helicoidal photobioreactor (HeP) (3.88cm(-1)). Maximum biomass concentration and productivity remarkably increased with S/V up to 1.94cm(-1). HoP was shown to be the best-performing system throughout the whole runs, while HeP behaved better only at the start. Runs carried out in HoP increasing PPFD from 40 to 100μmolm(-2)s(-1) revealed a progressive enhancement of bioenergetics and thermodynamics likely because of favorable light distribution. HoP appeared to be a promising configuration to perform high-yield indoor cyanobacterial cultures.
DOI: 10.1016/j.biortech.2016.01.128
PubMed: 26890797
Affiliations:
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Prof. Moraes Rego 1235, Cidade Universitária, 50670-420 Recife, PE, Brazil; Department of Civil, Chemical and Environmental Engineering (DICCA), University of Genoa, Via Opera Pia 15, 16145 Genoa, Italy.</nlm:affiliation><country xml:lang="fr">Italie</country><wicri:regionArea>Biological Science Center, Federal University of Pernambuco, Av. Prof. Moraes Rego 1235, Cidade Universitária, 50670-420 Recife, PE, Brazil; Department of Civil, Chemical and Environmental Engineering (DICCA), University of Genoa, Via Opera Pia 15, 16145 Genoa</wicri:regionArea><wicri:noRegion>16145 Genoa</wicri:noRegion></affiliation></author><author><name sortKey="Casazza, Alessandro Alberto" sort="Casazza, Alessandro Alberto" uniqKey="Casazza A" first="Alessandro Alberto" last="Casazza">Alessandro Alberto Casazza</name><affiliation wicri:level="1"><nlm:affiliation>Department of Civil, Chemical and Environmental Engineering (DICCA), University of Genoa, Via Opera Pia 15, 16145 Genoa, Italy.</nlm:affiliation><country xml:lang="fr">Italie</country><wicri:regionArea>Department of Civil, Chemical and Environmental Engineering (DICCA), University of Genoa, Via Opera Pia 15, 16145 Genoa</wicri:regionArea><wicri:noRegion>16145 Genoa</wicri:noRegion></affiliation></author><author><name sortKey="Ferrari, Pier Francesco" sort="Ferrari, Pier Francesco" uniqKey="Ferrari P" first="Pier Francesco" last="Ferrari">Pier Francesco Ferrari</name><affiliation wicri:level="1"><nlm:affiliation>Department of Civil, Chemical and Environmental Engineering (DICCA), University of Genoa, Via Opera Pia 15, 16145 Genoa, Italy.</nlm:affiliation><country xml:lang="fr">Italie</country><wicri:regionArea>Department of Civil, Chemical and Environmental Engineering (DICCA), University of Genoa, Via Opera Pia 15, 16145 Genoa</wicri:regionArea><wicri:noRegion>16145 Genoa</wicri:noRegion></affiliation></author><author><name sortKey="Perego, Patrizia" sort="Perego, Patrizia" uniqKey="Perego P" first="Patrizia" last="Perego">Patrizia Perego</name><affiliation wicri:level="1"><nlm:affiliation>Department of Civil, Chemical and Environmental Engineering (DICCA), University of Genoa, Via Opera Pia 15, 16145 Genoa, Italy.</nlm:affiliation><country xml:lang="fr">Italie</country><wicri:regionArea>Department of Civil, Chemical and Environmental Engineering (DICCA), University of Genoa, Via Opera Pia 15, 16145 Genoa</wicri:regionArea><wicri:noRegion>16145 Genoa</wicri:noRegion></affiliation></author><author><name sortKey="Bezerra, Raquel Pedrosa" sort="Bezerra, Raquel Pedrosa" uniqKey="Bezerra R" first="Raquel Pedrosa" last="Bezerra">Raquel Pedrosa Bezerra</name><affiliation wicri:level="2"><nlm:affiliation>Department of Morphology and Animal Physiology, Federal Rural University of Pernambuco, Av. Dom Manoel de Medeiros s/n, 52171-900 Recife, PE, Brazil.</nlm:affiliation><country xml:lang="fr">Brésil</country><wicri:regionArea>Department of Morphology and Animal Physiology, Federal Rural University of Pernambuco, Av. Dom Manoel de Medeiros s/n, 52171-900 Recife, PE</wicri:regionArea><placeName><region type="state">Pernambuco</region></placeName></affiliation></author><author><name sortKey="Converti, Attilio" sort="Converti, Attilio" uniqKey="Converti A" first="Attilio" last="Converti">Attilio Converti</name><affiliation wicri:level="1"><nlm:affiliation>Department of Civil, Chemical and Environmental Engineering (DICCA), University of Genoa, Via Opera Pia 15, 16145 Genoa, Italy. Electronic address: converti@unige.it.</nlm:affiliation><country xml:lang="fr">Italie</country><wicri:regionArea>Department of Civil, Chemical and Environmental Engineering (DICCA), University of Genoa, Via Opera Pia 15, 16145 Genoa</wicri:regionArea><wicri:noRegion>16145 Genoa</wicri:noRegion></affiliation></author><author><name sortKey="Porto, Ana Lucia Figueiredo" sort="Porto, Ana Lucia Figueiredo" uniqKey="Porto A" first="Ana Lucia Figueiredo" last="Porto">Ana Lucia Figueiredo Porto</name><affiliation wicri:level="2"><nlm:affiliation>Department of Morphology and Animal Physiology, Federal Rural University of Pernambuco, Av. Dom Manoel de Medeiros s/n, 52171-900 Recife, PE, Brazil.</nlm:affiliation><country xml:lang="fr">Brésil</country><wicri:regionArea>Department of Morphology and Animal Physiology, Federal Rural University of Pernambuco, Av. Dom Manoel de Medeiros s/n, 52171-900 Recife, PE</wicri:regionArea><placeName><region type="state">Pernambuco</region></placeName></affiliation></author></analytic><series><title level="j">Bioresource technology</title><idno type="e-ISSN">1873-2976</idno><imprint><date when="2016" type="published">2016</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Photobioreactor configuration, mode of operation and light intensity are known to strongly impact on cyanobacteria growth. To shed light on these issues, kinetic, bioenergetic and thermodynamic parameters of batch Arthrospira platensis cultures were estimated along the time at photosynthetic photon flux density (PPFD) of 70μmolm(-2)s(-1) in different photobioreactors with different surface/volume ratio (S/V), namely open pond (0.25cm(-1)), shaken flask (0.48cm(-1)), horizontal photobioreactor (HoP) (1.94cm(-1)) and helicoidal photobioreactor (HeP) (3.88cm(-1)). Maximum biomass concentration and productivity remarkably increased with S/V up to 1.94cm(-1). HoP was shown to be the best-performing system throughout the whole runs, while HeP behaved better only at the start. Runs carried out in HoP increasing PPFD from 40 to 100μmolm(-2)s(-1) revealed a progressive enhancement of bioenergetics and thermodynamics likely because of favorable light distribution. HoP appeared to be a promising configuration to perform high-yield indoor cyanobacterial cultures.</div></front></TEI><affiliations><list><country><li>Brésil</li><li>Italie</li></country><region><li>Pernambuco</li></region></list><tree><country name="Italie"><noRegion><name sortKey="Da Silva, Milena Fernandes" sort="Da Silva, Milena Fernandes" uniqKey="Da Silva M" first="Milena Fernandes" last="Da Silva">Milena Fernandes Da Silva</name></noRegion><name sortKey="Casazza, Alessandro Alberto" sort="Casazza, Alessandro Alberto" uniqKey="Casazza A" first="Alessandro Alberto" last="Casazza">Alessandro Alberto Casazza</name><name sortKey="Converti, Attilio" sort="Converti, Attilio" uniqKey="Converti A" first="Attilio" last="Converti">Attilio Converti</name><name sortKey="Ferrari, Pier Francesco" sort="Ferrari, Pier Francesco" uniqKey="Ferrari P" first="Pier Francesco" last="Ferrari">Pier Francesco Ferrari</name><name sortKey="Perego, Patrizia" sort="Perego, Patrizia" uniqKey="Perego P" first="Patrizia" last="Perego">Patrizia Perego</name></country><country name="Brésil"><region name="Pernambuco"><name sortKey="Bezerra, Raquel Pedrosa" sort="Bezerra, Raquel Pedrosa" uniqKey="Bezerra R" first="Raquel Pedrosa" last="Bezerra">Raquel Pedrosa Bezerra</name></region><name sortKey="Porto, Ana Lucia Figueiredo" sort="Porto, Ana Lucia Figueiredo" uniqKey="Porto A" first="Ana Lucia Figueiredo" last="Porto">Ana Lucia Figueiredo Porto</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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