Facile Synthesis of Stable Cerium Dioxide Sols in Nonpolar Solvents

被引：5
作者：
Baranchikov, Alexander E. [1 ,2 ]
Razumov, Mikhail, I [1 ]
Kameneva, Svetlana, V [1 ]
Sozarukova, Madina M. [1 ]
Beshkareva, Tatiana S. [1 ,3 ]
Filippova, Arina D. [1 ]
Kozlov, Daniil A. [1 ,3 ]
Ivanova, Olga S. [1 ]
Shcherbakov, Alexander B. [4 ]
Ivanov, Vladimir K. [1 ]
机构：
[1] Russian Acad Sci, Kurnakov Inst Gen & Inorgan Chem, Moscow 119991, Russia
[2] Natl Res Univ Higher Sch Econ, Fac Chem, Moscow 101000, Russia
[3] Lomonosov Moscow State Univ, Fac Mat Sci, Moscow 119991, Russia
[4] Natl Acad Sci Ukraine, Zabolotny Inst Microbiol & Virol, UA-03680 Kiev, Ukraine
来源：
MOLECULES | 2022年 / 27卷 / 15期
基金：
俄罗斯科学基金会;
关键词：
CeO2; antioxidants; hydrocarbons; fuel additives; chemiluminescence; OXIDE NANOPARTICLES; NANOCRYSTALLINE CERIA; NANOSTRUCTURED CERIA; CEO2; NANOPARTICLES; 2-ETHYLHEXANOATE; ANTIOXIDANT; COMBUSTION; NANOCERIA; CATALYST; OXYGEN;
D O I：
10.3390/molecules27155028
中图分类号：
Q5 [生物化学]; Q7 [分子生物学];
学科分类号：
071010 ; 081704 ;
摘要：
A method is proposed for the preparation of stable sols of nanocrystalline cerium dioxide in nonpolar solvents, based on surface modification of CeO2 nanoparticles obtained by thermal hydrolysis of concentrated aqueous solutions of ammonium cerium(IV) nitrate with residues of 2-ethylhexanoic and octanoic acids. The synthesis was carried out at temperatures below 100 degrees C and did not require the use of expensive and toxic reagents. An assessment of the radical-scavenging properties of the obtained sols using the superoxide anion-radical neutralization model revealed that they demonstrate notable antioxidant activity. The results obtained indicate the potential of the nanoscale cerium dioxide sols in nonpolar solvents to be used for creating nanobiomaterials possessing antioxidant properties.
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页数：12
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