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OALib Journal期刊
ISSN: 2333-9721
费用：99美元
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LigninolyticPeroxidase-LikeActivityofaSyntheticMetalloporphineImmobilizedontoMercapto-GraftedCrosslinkedPVAInspiredbytheActiveSiteofCytochromeP450
DOI: 10.1016/S1872-2067(10)60277-X, PP. 1663-1666
Keywords: porphine,porphyrin,ligninperoxidase,cytochromeP450,biomimetic
Abstract:
？AsyntheticmetalloporphinewasimmobilizedontoaPVA-basedandmercapto-graftedsolidsupport,emulatingtheactivesiteofcytochromeP450.Itsligninolyticperoxidase-likecatalyticactivitywasstudied.Thecoordinatedmercaptoligandsignificantlyaffectedthecatalyticfeaturesofthecatalystbecausetheoxidationoflignin-modelcompoundswasveryslowbycomparisonwithimidazole-andpyridine-coordinatedimmobilizedmetalloporphines.Conversely,thecatalystefficientlybleachedseveralindustrialdyesandthusdemonstratedpromisingactivityforthisapplication.Basedonthisalteredsubstratespecificitytheoxygen-donorcatalyticrouteseemstobemorefavorablethanasingleelectronoxidationpathway.
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