%0 Journal Article %T LigninolyticPeroxidase-LikeActivityofaSyntheticMetalloporphineImmobilizedontoMercapto-GraftedCrosslinkedPVAInspiredbytheActiveSiteofCytochromeP450 %A Paolo ZUCCA %A Antonio RESCIGNO %A Enrico SANJUST %J ´ß»¯Ñ§±¨ %P 1663-1666 %D 2011 %R 10.1016/S1872-2067(10)60277-X %X £¿AsyntheticmetalloporphinewasimmobilizedontoaPVA-basedandmercapto-graftedsolidsupport,emulatingtheactivesiteofcytochromeP450.Itsligninolyticperoxidase-likecatalyticactivitywasstudied.Thecoordinatedmercaptoligandsignificantlyaffectedthecatalyticfeaturesofthecatalystbecausetheoxidationoflignin-modelcompoundswasveryslowbycomparisonwithimidazole-andpyridine-coordinatedimmobilizedmetalloporphines.Conversely,thecatalystefficientlybleachedseveralindustrialdyesandthusdemonstratedpromisingactivityforthisapplication.Basedonthisalteredsubstratespecificitytheoxygen-donorcatalyticrouteseemstobemorefavorablethanasingleelectronoxidationpathway. %K porphine %K porphyrin %K ligninperoxidase %K cytochromeP450 %K biomimetic %U http://www.chxb.cn/CN/abstract/abstract20549.shtml