Back to Search Start Over

Natural Nanominerals Show Enzyme-Like Activities

Authors :
Yihe Zhang
Yue Lin
Paul K. Chu
Wangshu Tong
Feng Feng
Peixia Wang
Qi An
Minmin Liang
Source :
Journal of Nanomaterials, Vol 2021 (2021)
Publication Year :
2021
Publisher :
Hindawi, 2021.

Abstract

Natural nanominerals (NNMs) are progressively deposited during earth’s formation. They have shown a broad range of applications from industrial catalysis, environmental treatment, and earth science to pharmaceutics due to their unique nanostructures and characteristics. Here, we first report that NNMs have intrinsic enzyme-like properties and show good biocompatibility. First, we characterized the morphology and structure of the six most representative NNMs including sepiolite, attapulgite, halloysite, montmorillonite, kaolinite, and diatomite by SEM, TEM, and XRD. Then, we quantitatively tested their peroxidase- (POD-), catalase- (CAT-), oxidase- (OXD-), and superoxide dismutase- (SOD-) like activities. The results indicate that different kinds of NNMs show varying degrees of POD-like, CAT-like, and SOD-like activities and minor OXD-like activity. Finally, we tested their cytotoxicity and found that the selected representative NNMs have no or less influence on cell viability, showing high biosafety. At present, NNMs have been widely used, mostly focusing on the physical and chemical properties, such as luminescence and conductivity. Our work promotes the understanding of NNMs, providing a new direction for the better application of NNMs.

Details

Language :
English
ISSN :
16874110
Database :
OpenAIRE
Journal :
Journal of Nanomaterials
Accession number :
edsair.doi.dedup.....af31437ac042076e97207a8fcaa0b6da
Full Text :
https://doi.org/10.1155/2021/6351852