Eco-friendly method for silver nanoparticles immobilized decorated silica: Synthesis & characterization and preliminary antibacterial activity

被引：28

作者：

Dahlous, Kholood A. ^{[1
]}

Abd-Elkader, Omar H. ^{[2
,3
]}

Fouda, Moustafa M. G. ^{[4
]}

Al Othman, Zeid ^{[1
,5
]}

El-Faham, Ayman ^{[1
,6
]}

机构：

[1] King Saud Univ, Coll Sci, Chem Dept, POB 2455, Riyadh 11451, Saudi Arabia

[2] King Saud Univ, Sci Coll, Zool Dept, Electron Microscope Unit, POB 2455, Riyadh 11451, Saudi Arabia

[3] Natl Res Ctr, Phys Div, Electron Microscope & Thin Films Dept, El Behooth St, Giza 12622, Egypt

[4] Natl Res Ctr, Text Res Div, Pretreatment & Finishing Cellulos Fabr Dept, 33 El Behooth St, Giza 12311, Egypt

[5] King Saud Univ, Coll Sci, Dept Chem, Adv Mat Res Chair, POB 2455, Riyadh 11451, Saudi Arabia

[6] Alexandria Univ, Fac Sci, Dept Chem, POB 426, Alexandria 21321, Egypt

来源：

JOURNAL OF THE TAIWAN INSTITUTE OF CHEMICAL ENGINEERS | 2019年 / 95卷

关键词：

Silica gel; S-triazine; 2-aminomethylpyridine; 8-hydroxyquinoline; Silver nanoparticles; Antibacterial activity; SOLID-PHASE EXTRACTION; MESOPOROUS SBA-15; GEL; PRECONCENTRATION; NANOCATALYST; ADSORPTION; SURFACE; ZN(II); NI(II); CU(II);

D O I：

10.1016/j.jtice.2018.07.020

中图分类号：

TQ [化学工业];

学科分类号：

0817 ;

摘要：

The present work pertains to the field of nanotechnology through the synthesis of silver nanoparticles, having controlled size suitable for industrial and medical applications, using modified silica with s-triazine decorated with 2-aminomethylpyridine (Si-TAMPy) and 8-hydroxyqinoloine (Si-TQ). The nano-structural and elemental information of the formed silver nanoparticles obtained using several state-of-the-art techniques, such as ultraviolet (UV-vis), scanning transmission electron microscopy (SEM), transmission electron microscopy(TEM) and X-ray diffraction analysis (XRD). The obtained results explored that silver nanoparticles immobilized on the silica gel are stable in the presence of oxygen for several months. The biological activity of the obtained particles is also evaluated against Gram positive (Staphylococus aureus) and Gram-negative (Escherichia coli) bacteria. The results revealed that, AgNPs from Si-TAMPy and Si-TQ exhibited a potential antibacterial activity against the tested bacterial strains (Staphylococcus aureus and E. coli) and their activity varied with bacterial strain at the same concentration. To the best of our knowledge, AgNPs functionalized silica decorated with s-triazine having heterocyclic as terminal side chain could be useful in various medical and industrial applications and will be of inspiration to researchers working in this field. (C) 2018 Taiwan Institute of Chemical Engineers. Published by Elsevier B.V. All rights reserved.

引用

页码：324 / 331

页数：8

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