Effect of Mg doping on ZnO fabricated using aqueous leaf extract of Ziziphus mauritiana Lam. for antioxidant and antibacterial studies

被引：34

作者：

Rahman, Ashmalina ^{[1
]}

Harunsani, Mohammad Hilni ^{[1
]}

Tan, Ai Ling ^{[1
]}

Ahmad, Norhayati ^{[2
]}

Hojamberdiev, Mirabbos ^{[3
]}

Khan, Mohammad Mansoob ^{[1
]}

机构：

[1] Univ Brunei Darussalam, Fac Sci, Chem Sci, Jalan Tungku Link, BE-1410 Gadong, Brunei

[2] Univ Brunei Darussalam, Fac Sci, Environm & Life Sci, Jalan Tungku Link, BE-1410 Gadong, Brunei

[3] Tech Univ Berlin, Inst Chem, Str 17,Juni 135, D-10623 Berlin, Germany

来源：

BIOPROCESS AND BIOSYSTEMS ENGINEERING | 2021年 / 44卷 / 04期

关键词：

Ziziphus mauritiana Lam; Zinc oxide; ZnO; Mg-doped ZnO; Aqueous leaf extract; Antioxidant activities; Antibacterial studies; ZINC-OXIDE NANOPARTICLES; PHOTOCATALYTIC ACTIVITY; BIOGENIC SYNTHESIS; ANNEALING TEMPERATURE; PLANT-EXTRACTS; PHOTOLUMINESCENCE; BIOSYNTHESIS; DEGRADATION; MORPHOLOGY;

D O I：

10.1007/s00449-020-02496-1

中图分类号：

Q81 [生物工程学（生物技术）]; Q93 [微生物学];

学科分类号：

071005 ; 0836 ; 090102 ; 100705 ;

摘要：

Aqueous leaf extract of Ziziphus mauritiana Lam. was successfully used to synthesize zinc oxide (ZnO) and magnesium-doped ZnO (Mg-doped ZnO) particles and acted as capping and stabilizing agent. UV-Vis diffuse reflectance spectra showed that optical band gap energy of ZnO has narrowed from 3.11 to 3.08 eV and 3.03 eV when doped with 1% Mg and 5% Mg, respectively. Powder X-ray diffraction and X-ray photoelectron spectroscopy studies confirmed the purity and crystalline nature of the synthesized materials. FT-IR spectroscopy revealed the presence of phytochemicals coated on the surface of synthesized materials. The synthesized materials were found to effectively scavenge DPPH radicals in the presence of visible light in comparison to the dark. The antibacterial properties of the synthesized materials were evaluated against Staphylococcus aureus and Escherichia coli. The obtained results revealed that Staphylococcus aureus seemed to be more sensitive to the green synthesized ZnO and Mg-doped ZnO than Escherichia coli.

引用

页码：875 / 889

页数：15

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