Antibacterial properties of carboxymethyl chitosan Schiff-base nanocomposites loaded with silver nanoparticles

被引：51
作者：
Abdel-Monem, Reham A. [1 ]
Khalil, Ahmed M. [1 ]
Darwesh, Osama M. [2 ]
Hashim, Ahmed I. [3 ]
Rabie, Samira T. [1 ]
机构：
[1] Natl Res Ctr, Photochem Dept, Dokki Giza, Egypt
[2] Natl Res Ctr, Agr Microbiol Dept, Environm Biotechnol & Nanotechnol, Giza, Egypt
[3] Ain Shams Univ, Chem Dept, Fac Sci, Cairo, Egypt
来源：
JOURNAL OF MACROMOLECULAR SCIENCE PART A-PURE AND APPLIED CHEMISTRY | 2019年 / 57卷 / 02期
关键词：
Carboxymethyl chitosan; Schiff-base; nanocomposites; biological evaluation; silver nanoparticles; PD(II) COMPLEX; PERFORMANCE; TOXICITY; COMPOSITE; CELLULOSE; REMOVAL; CHITIN; IONS;
D O I：
10.1080/10601325.2019.1674666
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
Nanocomposites of anisaldehyde and salicylaldehyde carboxymethyl chitosan (CMC)-Schiff bases/silver nanoparticles have been prepared and characterized. Their antibacterial activities were evaluated against (Bacillus Subtilis, Staphylococcus aureus and Streptococcus faecalis) as Gram?+?ve bacteria and the Gram???ve bacteria (Escherichia coli, Neisseria gonorrhoeae and Pseudomonas aeruginosa). The prepared compounds were characterized using FTIR spectroscopy, scanning electron microscopy, transmission electron microscopy and thermogravimetric analysis. Determination of water uptake of both CMC-Schiff bases/silver nanoparticles was carried out. Minimum inhibitory concentrations (MIC) of the prepared nanocomposites were determined as well. Cytotoxic activity of the investigated nanocomposites were evaluated against liver carcinoma cell; HEPG2 and breast cell line; MCF7.
引用
收藏
页码：145 / 155
页数：11
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