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Effect of anionic groups on the antibacterial activity of magnesium oxide nanoparticles
Li, Xin1,2; Feng, Yali1; Li, Haoran2; Zhang, Qian1,2
2022-02-20
Source PublicationCOLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS
ISSN0927-7757
Volume635Pages:9
AbstractMgO nanoparticles were obtained by liquid-phase precipitation of three Mg sources produced from magnesite in this study. The influence of anionic groups in solution on the physical properties and bacterial inhibition of nanomaterials during their formation is discussed. The analysis demonstrates that the process of MgO and Mg (OH)2 precursor generation exhibits a visible anionic effect. As the electronegativity of the anion increases, the degree of ionization becomes higher, the growth environment becomes freer, and the crystal morphology tends towards a desirable hexagonal lamellar structure. The inhibition effect of the three MgO nanomaterials on E. coli and S. aureus was validated by growth curve method and colony counting method. It was found that MgO(C), prepared using MgCl2.6 H2O as the magnesium source, had the best bactericidal performance, with more than 98% bactericidal activity against both E. coli and S. aureus within 2 h at a sample concentration of 600 ppm, which was closely related to the larger electronegativity of Cl-. This research has contributed to the preparation and production of antibacterial MgO nanoparticles.
KeywordNano-MgO Antibacterial activity Anionic electronegativity Superoxide radicals Antibacterial mechanism
DOI10.1016/j.colsurfa.2021.127978
Language英语
WOS KeywordMGO ; NANOCOMPOSITE
Funding ProjectLong Term Special Project for National[JS-KTHT-2019-01]
WOS Research AreaChemistry
WOS SubjectChemistry, Physical
Funding OrganizationLong Term Special Project for National
WOS IDWOS:000730866100006
PublisherELSEVIER
Citation statistics
Document Type期刊论文
Identifierhttp://ir.ipe.ac.cn/handle/122111/51334
Collection中国科学院过程工程研究所
Corresponding AuthorFeng, Yali; Li, Haoran
Affiliation1.Univ Sci & Technol, Sch Civil & Resources Engn, Beijing 100083, Peoples R China
2.Chinese Acad Sci, Inst Proc Engn, State Key Lab Biochem Engn, Beijing 100190, Peoples R China
Recommended Citation
GB/T 7714
Li, Xin,Feng, Yali,Li, Haoran,et al. Effect of anionic groups on the antibacterial activity of magnesium oxide nanoparticles[J]. COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS,2022,635:9.
APA Li, Xin,Feng, Yali,Li, Haoran,&Zhang, Qian.(2022).Effect of anionic groups on the antibacterial activity of magnesium oxide nanoparticles.COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS,635,9.
MLA Li, Xin,et al."Effect of anionic groups on the antibacterial activity of magnesium oxide nanoparticles".COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS 635(2022):9.
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