Ndị mmadụ na-ele oxide nanoenzymes anya dị ka ihe kachasị mma catalytic maka ịmegharị ọgwụgwọ nke nrụgide oxidative na-ebute ọrịa pathophysiological site na enzymes antioxidant, mana ọrụ catalytic nke oxide nanoenzymes ka na-adịghị mma.
N'ihi nke a, Tang Zhiyong, Wang Hao, Xingxin Fa, Qiao Zengying, na ndị ọzọ sitere na National Nanometer Center akọpụtala na nke mbụ.CeO2a na-eji mgbakasị ahụ eme ihe maka nguzogide nano oxidation.
Isi ihe dị n'akụkọ a
Isi ihe 1. Site na ngụkọ usoro na nyocha, a chọpụtara na nrụgide elu nkeCeO2metụtara nhazi unsaturation nke Ce na ọkpụrụkpụ nkeCeO2.Ya mere, a na-emepụta nanosheets ultra-thins nwere nha nke ~ 1.2 nm, na nrụgide ụgbọ elu / nke nrụgide ụgbọ elu ruru ~ 3.0% na ~ 10.0%, n'otu n'otu.
Isi ihe 2. Tụnyere nanocubes, nke a ultra-thin nanosheet Ce-O chemical bond has enhanced covalence, results in a 2.6 fold abawanye na simulated SOD (superoxide dismutase) catalytic ọrụ na mkpokọta 2.5 fold na-abawanye na antioxidant ikike.Na-etinye ihe a dị oke mkpaCeO2ihe nkiri nwere nchekasị dị n'ime iji gwọọ ọrịa strok ischemic na vivo nwere arụmọrụ ka mma karịa ọgwụ ọgwụ ọdịnala
Oge nzipu: Sep-08-2023