Utilization of enzyme cascades for complete oxidation of lactate in an enzymatic biofuel cell
Identifieur interne : 006577 ( Main/Exploration ); précédent : 006576; suivant : 006578Utilization of enzyme cascades for complete oxidation of lactate in an enzymatic biofuel cell
Auteurs : Daria Sokic-Lazic [États-Unis] ; Adalgisa Rodrigues De Andrade [Brésil] ; Shelley D. Minteer [États-Unis]Source :
- Electrochimica acta [ 0013-4686 ] ; 2011.
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Abstract
Lactate/lactic acid has been considered as a biofuel for enzymatic biofuel cells, but only with single enzyme bioanodes containing lactate dehydrogenase. A single enzyme-based bioanode results in the oxidation of lactate to pyruvate, which only allows for 2 of the total of 12 electrons to be harnessed from the lactate leaving the majority of the energy density of the fuel in the oxidized product (pyruvate); thereby, resulting in low energy density biofuel cells. This paper details an enzyme cascade for complete oxidation of lactate immobilized on a bioanode and employed in a lactate/air biofuel cell. This paper shows that complete oxidation of lactate increases the current density and power density of the biofuel cell, in a similar trend as was observed for complete oxidation of pyruvate in an enzymatic biofuel cell.
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Minteer</name><affiliation wicri:level="1"><inist:fA14 i1="01"><s1>Department of Chemistry, Saint Louis University, 3501 Laclede Ave.</s1><s2>St. Louis, MO 63103</s2><s3>USA</s3><sZ>1 aut.</sZ><sZ>3 aut.</sZ></inist:fA14><country>États-Unis</country><wicri:noRegion>St. Louis, MO 63103</wicri:noRegion></affiliation></author></titleStmt><publicationStmt><idno type="wicri:source">INIST</idno><idno type="inist">12-0327038</idno><date when="2011">2011</date><idno type="stanalyst">PASCAL 12-0327038 INIST</idno><idno type="RBID">Pascal:12-0327038</idno><idno type="wicri:Area/PascalFrancis/Corpus">001141</idno><idno type="wicri:Area/PascalFrancis/Curation">004D76</idno><idno type="wicri:Area/PascalFrancis/Checkpoint">001508</idno><idno type="wicri:explorRef" wicri:stream="PascalFrancis" wicri:step="Checkpoint">001508</idno><idno type="wicri:doubleKey">0013-4686:2011:Sokic Lazic D:utilization:of:enzyme</idno><idno type="wicri:Area/Main/Merge">006959</idno><idno type="wicri:Area/Main/Curation">006577</idno><idno type="wicri:Area/Main/Exploration">006577</idno></publicationStmt><sourceDesc><biblStruct><analytic><title xml:lang="en" level="a">Utilization of enzyme cascades for complete oxidation of lactate in an enzymatic biofuel cell</title><author><name sortKey="Sokic Lazic, Daria" sort="Sokic Lazic, Daria" uniqKey="Sokic Lazic D" first="Daria" last="Sokic-Lazic">Daria Sokic-Lazic</name><affiliation wicri:level="1"><inist:fA14 i1="01"><s1>Department of Chemistry, Saint Louis University, 3501 Laclede Ave.</s1><s2>St. Louis, MO 63103</s2><s3>USA</s3><sZ>1 aut.</sZ><sZ>3 aut.</sZ></inist:fA14><country>États-Unis</country><wicri:noRegion>St. Louis, MO 63103</wicri:noRegion></affiliation></author><author><name sortKey="Rodrigues De Andrade, Adalgisa" sort="Rodrigues De Andrade, Adalgisa" uniqKey="Rodrigues De Andrade A" first="Adalgisa" last="Rodrigues De Andrade">Adalgisa Rodrigues De Andrade</name><affiliation wicri:level="4"><inist:fA14 i1="02"><s1>Departamento de Química, Faculdade de Filosofia Ciências e Letras de Ribeirão Preto, Universidade de São Paulo</s1><s2>14040-901 Ribeirão Preto, SP</s2><s3>BRA</s3><sZ>2 aut.</sZ></inist:fA14><country>Brésil</country><placeName><region type="state">État de São Paulo</region><settlement type="city">São Paulo</settlement></placeName><orgName type="university">Université de São Paulo</orgName></affiliation></author><author><name sortKey="Minteer, Shelley D" sort="Minteer, Shelley D" uniqKey="Minteer S" first="Shelley D." last="Minteer">Shelley D. Minteer</name><affiliation wicri:level="1"><inist:fA14 i1="01"><s1>Department of Chemistry, Saint Louis University, 3501 Laclede Ave.</s1><s2>St. Louis, MO 63103</s2><s3>USA</s3><sZ>1 aut.</sZ><sZ>3 aut.</sZ></inist:fA14><country>États-Unis</country><wicri:noRegion>St. Louis, MO 63103</wicri:noRegion></affiliation></author></analytic><series><title level="j" type="main">Electrochimica acta</title><title level="j" type="abbreviated">Electrochim. acta</title><idno type="ISSN">0013-4686</idno><imprint><date when="2011">2011</date></imprint></series></biblStruct></sourceDesc><seriesStmt><title level="j" type="main">Electrochimica acta</title><title level="j" type="abbreviated">Electrochim. acta</title><idno type="ISSN">0013-4686</idno></seriesStmt></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Anode</term><term>Biochemical fuel cell</term><term>Electrocatalysis</term><term>Electrochemical reaction</term><term>Electrode material</term><term>Enzymatic catalysis</term><term>Immobilized enzyme</term><term>Krebs cycle</term><term>L-Lactate dehydrogenase</term><term>Lactates</term><term>Oxidation</term></keywords><keywords scheme="Pascal" xml:lang="fr"><term>L-Lactate dehydrogenase</term><term>Oxydation</term><term>Lactate</term><term>Pile combustible biochimique</term><term>Cycle tricarboxylique</term><term>Electrocatalyse</term><term>Catalyse enzymatique</term><term>Anode</term><term>Enzyme immobilisée</term><term>Réaction électrochimique</term><term>Matériau électrode</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Lactate/lactic acid has been considered as a biofuel for enzymatic biofuel cells, but only with single enzyme bioanodes containing lactate dehydrogenase. A single enzyme-based bioanode results in the oxidation of lactate to pyruvate, which only allows for 2 of the total of 12 electrons to be harnessed from the lactate leaving the majority of the energy density of the fuel in the oxidized product (pyruvate); thereby, resulting in low energy density biofuel cells. This paper details an enzyme cascade for complete oxidation of lactate immobilized on a bioanode and employed in a lactate/air biofuel cell. This paper shows that complete oxidation of lactate increases the current density and power density of the biofuel cell, in a similar trend as was observed for complete oxidation of pyruvate in an enzymatic biofuel cell.</div></front></TEI><affiliations><list><country><li>Brésil</li><li>États-Unis</li></country><region><li>État de São Paulo</li></region><settlement><li>São Paulo</li></settlement><orgName><li>Université de São Paulo</li></orgName></list><tree><country name="États-Unis"><noRegion><name sortKey="Sokic Lazic, Daria" sort="Sokic Lazic, Daria" uniqKey="Sokic Lazic D" first="Daria" last="Sokic-Lazic">Daria Sokic-Lazic</name></noRegion><name sortKey="Minteer, Shelley D" sort="Minteer, Shelley D" uniqKey="Minteer S" first="Shelley D." last="Minteer">Shelley D. Minteer</name></country><country name="Brésil"><region name="État de São Paulo"><name sortKey="Rodrigues De Andrade, Adalgisa" sort="Rodrigues De Andrade, Adalgisa" uniqKey="Rodrigues De Andrade A" first="Adalgisa" last="Rodrigues De Andrade">Adalgisa Rodrigues De Andrade</name></region></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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