%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