Mutane suna ɗaukar nanoenzymes na oxide a matsayin mafi dacewa kayan haɓakawa don simulating da jiyya na oxidative stress-mediated pathophysiological cuta ta antioxidant enzymes, amma catalytic aiki na oxide nanoenzymes har yanzu bai gamsu.
Bisa la'akari da haka, Tang Zhiyong, Wang Hao, Xingxin Fa, Qiao Zengying, da sauransu daga Cibiyar Nanometer ta kasa sun ba da rahoton a karon farko cewa ya yi laushi.CeO2tare da damuwa na ciki ana amfani dashi don juriya na nano oxidation.
Mabuɗin wannan labarin
Mabuɗin mahimmanci 1. Ta hanyar ƙididdige ƙididdiga da bincike, an gano cewa damuwa na samanCeO2yana da alaƙa da daidaitawa unsaturation na Ce da kauri naCeO2. Don haka, ƙananan nanosheets na bakin ciki tare da kauri na ~ 1.2 nm an haɗa su, kuma damuwa a cikin jirgin sama / fita daga damuwa jirgin ya kai ~ 3.0% da ~ 10.0%, bi da bi.
Key batu 2. Idan aka kwatanta da nanocubes, wannan matsananci-bakin ciki nanosheet Ce-O sinadaran bond ya inganta covalence, sakamakon a 2.6 ninka karuwa a simulated SOD (superoxide dismutase) catalytic aiki da kuma wani overall 2.5 ninka karuwa a antioxidant iya aiki. Aiwatar da wannan ultra-bakin cikiCeO2fim tare da damuwa na ciki don magance bugun jini na ischemic a cikin vivo yana da kyakkyawan aiki fiye da magungunan asibiti na gargajiya
Lokacin aikawa: Satumba-08-2023