National Nanocenter JACS: Ultra tinrin CeO2 nano antioxidant

aiye toje 3
Awọn eniyan ka awọn nanoenzymes oxide bi awọn ohun elo katalitiki ti o dara julọ fun simulating itọju ti aapọn oxidative-mediated pathophysiological disorders nipasẹ awọn enzymu antioxidant, ṣugbọn iṣẹ ṣiṣe kataliti ti nanoenzymes oxide tun jẹ alaiwulo.

Ni wiwo eyi, Tang Zhiyong, Wang Hao, Xingxin Fa, Qiao Zengying, ati awọn miiran lati Ile-iṣẹ Nanometer ti Orilẹ-ede ti royin fun igba akọkọ ti o nipọn tinrin.CeO2pẹlu aapọn inu inu ni a lo fun resistance ifoyina nano.
toje aiye
Key ojuami ti yi article

Key ojuami 1. Nipasẹ o tumq si isiro ati onínọmbà, o ti ri wipe awọn dada wahala tiCeO2ti wa ni jẹmọ si ipoidojuko unsaturation ti Ce ati sisanra tiCeO2.Nitoribẹẹ, awọn nanosheets ultra-tinrin pẹlu sisanra ti ~ 1.2 nm ni a ti ṣajọpọ, ati pe aapọn inu-ọkọ ofurufu/jade ti aapọn ọkọ ofurufu de ~3.0% ati ~10.0%, lẹsẹsẹ.

Koko bọtini 2. Akawe pẹlu nanocubes, yi olekenka-tinrin nanosheet Ce-O kemikali mnu ti mu dara si covalence, Abajade ni a 2.6 agbo ilosoke ninu afarape SOD (superoxide dismutase) catalytic aṣayan iṣẹ-ṣiṣe ati awọn ẹya ìwò 2.5 agbo ilosoke ninu antioxidant agbara.Nfi yi olekenka-tinrinCeO2fiimu pẹlu aapọn inu lati ṣe itọju ọpọlọ ischemic ni vivo ni iṣẹ ṣiṣe ti o dara julọ ju awọn oogun ile-iwosan ibile lọ
aiye toje 2


Akoko ifiweranṣẹ: Oṣu Kẹsan-08-2023