Biodegradation of polyvinyl alcohol by Phanerochaete chrysosporium after pretreatment with Fenton's reagent.
Identifieur interne : 000A07 ( Main/Exploration ); précédent : 000A06; suivant : 000A08Biodegradation of polyvinyl alcohol by Phanerochaete chrysosporium after pretreatment with Fenton's reagent.
Auteurs : Mei-Hua Huang [République populaire de Chine] ; Yang-Ping Shih ; Shiu-Mei LiuSource :
- Journal of environmental science and health. Part A, Toxic/hazardous substances & environmental engineering [ 1093-4529 ] ; 2002.
Descripteurs français
- KwdFr :
- MESH :
- composition chimique : Fer, Peroxyde d'hydrogène.
- métabolisme : Oxygène, Polluants du sol, Poly(alcool vinylique).
- pharmacologie : Peroxidases.
- physiologie : Phanerochaete.
- Dépollution biologique de l'environnement, Masse moléculaire.
English descriptors
- KwdEn :
- MESH :
- chemical , chemistry : Hydrogen Peroxide, Iron.
- chemical , metabolism : Oxygen, Polyvinyl Alcohol, Soil Pollutants.
- chemical , pharmacology : Peroxidases.
- physiology : Phanerochaete.
- Biodegradation, Environmental, Molecular Weight.
Abstract
Polyvinyl alcohol (PVA) solutions (BP05 and BF17; 5.0%, wt v(-1)) were degraded by a combination of chemical (Fenton's reagent) and fungal (Phanerochaete chrysosporium) treatments. The overall degradations of BP05 and BF17 were 74.4 and 72.8%, respectively, as determined by chemical oxygen demand (COD) analysis, and 63.7% and 57.7%, respectively, as determined by total organic carbon (TOC) analysis. Increased retention times and changes in the intensity of the PVA peaks on gel permeation chromatograms indicated that PVA molecules of greater molecular weights were degraded to lower molecular weights by both the chemical and fungal treatments. The predominant enzyme secreted by P. chrysosporium in medium containing 2% (wt v(-1)) ground cereal bran in 60 mM phosphate buffer (pH 6.0) was manganese peroxidase. Neither laccase nor lignin peroxidase activity was detected. Manganese peroxidase was probably involved in the biodegradation of the PVA solutions.
DOI: 10.1081/ese-100108480
PubMed: 11846267
Affiliations:
Links toward previous steps (curation, corpus...)
Le document en format XML
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<author><name sortKey="Huang, Mei Hua" sort="Huang, Mei Hua" uniqKey="Huang M" first="Mei-Hua" last="Huang">Mei-Hua Huang</name>
<affiliation wicri:level="1"><nlm:affiliation>Department of Fabric Formation, China Textile Institute, Taipei Shien, Taiwan, ROC.</nlm:affiliation>
<country xml:lang="fr" wicri:curation="lc">République populaire de Chine</country>
<wicri:regionArea>Department of Fabric Formation, China Textile Institute, Taipei Shien, Taiwan</wicri:regionArea>
<wicri:noRegion>Taiwan</wicri:noRegion>
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<author><name sortKey="Shih, Yang Ping" sort="Shih, Yang Ping" uniqKey="Shih Y" first="Yang-Ping" last="Shih">Yang-Ping Shih</name>
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<author><name sortKey="Liu, Shiu Mei" sort="Liu, Shiu Mei" uniqKey="Liu S" first="Shiu-Mei" last="Liu">Shiu-Mei Liu</name>
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<profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Biodegradation, Environmental (MeSH)</term>
<term>Hydrogen Peroxide (chemistry)</term>
<term>Iron (chemistry)</term>
<term>Molecular Weight (MeSH)</term>
<term>Oxygen (metabolism)</term>
<term>Peroxidases (pharmacology)</term>
<term>Phanerochaete (physiology)</term>
<term>Polyvinyl Alcohol (metabolism)</term>
<term>Soil Pollutants (metabolism)</term>
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<keywords scheme="KwdFr" xml:lang="fr"><term>Dépollution biologique de l'environnement (MeSH)</term>
<term>Fer (composition chimique)</term>
<term>Masse moléculaire (MeSH)</term>
<term>Oxygène (métabolisme)</term>
<term>Peroxidases (pharmacologie)</term>
<term>Peroxyde d'hydrogène (composition chimique)</term>
<term>Phanerochaete (physiologie)</term>
<term>Polluants du sol (métabolisme)</term>
<term>Poly(alcool vinylique) (métabolisme)</term>
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<keywords scheme="MESH" type="chemical" qualifier="chemistry" xml:lang="en"><term>Hydrogen Peroxide</term>
<term>Iron</term>
</keywords>
<keywords scheme="MESH" type="chemical" qualifier="metabolism" xml:lang="en"><term>Oxygen</term>
<term>Polyvinyl Alcohol</term>
<term>Soil Pollutants</term>
</keywords>
<keywords scheme="MESH" type="chemical" qualifier="pharmacology" xml:lang="en"><term>Peroxidases</term>
</keywords>
<keywords scheme="MESH" qualifier="composition chimique" xml:lang="fr"><term>Fer</term>
<term>Peroxyde d'hydrogène</term>
</keywords>
<keywords scheme="MESH" qualifier="métabolisme" xml:lang="fr"><term>Oxygène</term>
<term>Polluants du sol</term>
<term>Poly(alcool vinylique)</term>
</keywords>
<keywords scheme="MESH" qualifier="pharmacologie" xml:lang="fr"><term>Peroxidases</term>
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<keywords scheme="MESH" qualifier="physiologie" xml:lang="fr"><term>Phanerochaete</term>
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<keywords scheme="MESH" qualifier="physiology" xml:lang="en"><term>Phanerochaete</term>
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<keywords scheme="MESH" xml:lang="en"><term>Biodegradation, Environmental</term>
<term>Molecular Weight</term>
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<front><div type="abstract" xml:lang="en">Polyvinyl alcohol (PVA) solutions (BP05 and BF17; 5.0%, wt v(-1)) were degraded by a combination of chemical (Fenton's reagent) and fungal (Phanerochaete chrysosporium) treatments. The overall degradations of BP05 and BF17 were 74.4 and 72.8%, respectively, as determined by chemical oxygen demand (COD) analysis, and 63.7% and 57.7%, respectively, as determined by total organic carbon (TOC) analysis. Increased retention times and changes in the intensity of the PVA peaks on gel permeation chromatograms indicated that PVA molecules of greater molecular weights were degraded to lower molecular weights by both the chemical and fungal treatments. The predominant enzyme secreted by P. chrysosporium in medium containing 2% (wt v(-1)) ground cereal bran in 60 mM phosphate buffer (pH 6.0) was manganese peroxidase. Neither laccase nor lignin peroxidase activity was detected. Manganese peroxidase was probably involved in the biodegradation of the PVA solutions.</div>
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<Abstract><AbstractText>Polyvinyl alcohol (PVA) solutions (BP05 and BF17; 5.0%, wt v(-1)) were degraded by a combination of chemical (Fenton's reagent) and fungal (Phanerochaete chrysosporium) treatments. The overall degradations of BP05 and BF17 were 74.4 and 72.8%, respectively, as determined by chemical oxygen demand (COD) analysis, and 63.7% and 57.7%, respectively, as determined by total organic carbon (TOC) analysis. Increased retention times and changes in the intensity of the PVA peaks on gel permeation chromatograms indicated that PVA molecules of greater molecular weights were degraded to lower molecular weights by both the chemical and fungal treatments. The predominant enzyme secreted by P. chrysosporium in medium containing 2% (wt v(-1)) ground cereal bran in 60 mM phosphate buffer (pH 6.0) was manganese peroxidase. Neither laccase nor lignin peroxidase activity was detected. Manganese peroxidase was probably involved in the biodegradation of the PVA solutions.</AbstractText>
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