Characterization of Silver Nanoparticle in the Carboxymethyl Cellulose Hydrogel Prepared by a Gamma Ray Irradiation

被引：17

作者：

Park, Jong-Seok ^{[1
]}

Kuang, Jia ^{[1
]}

Lim, Youn-Mook ^{[1
]}

Gwon, Hui-Jeong ^{[1
]}

Nho, Young-Chang ^{[1
]}

机构：

[1] Korea Atom Energy Res Inst, Adv Radiat Technol Inst, Jeongeup Si 580185, Jeollabuk Do, South Korea

来源：

JOURNAL OF NANOSCIENCE AND NANOTECHNOLOGY | 2012年 / 12卷 / 01期

关键词：

Silver Nanoparticles; gamma-Irradiation; CMC Hydrogels; Antibacterial Activities; AG NANOPARTICLES;

D O I：

10.1166/jnn.2012.5366

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

In this study, carboxymethyl cellulose (CMC) hydrogels were traditionally prepared by gamma-ray with an absorbed dose of 50 kGy from a Co-60 source. The CMC hydrogels were absorbed and swelled in silver nitrate aqueous solution (0.01 M) by dipping for 1 hour, and then irradiated by gamma-ray at various doses to form silver nanoparticles (Ag NPs). The UV-Vis analysis indicated that the concentration of Ag NPs was enhanced by increasing of absorbed dose from 1 to 5 kGy in this situ reducing system. The FE-SEM and XPS measurements provided further evidence for the successful formation of Ag NPs. These CMC hydrogels stabilized Ag NPs also have been investigated for inhibiting the growth of Staphylococcus aureus and Escherichia coli strains in liquid as well as on solid growth media. The antibacterial tests indicated that the hydrogels containing Ag NPs have antibacterial activity.

引用

页码：743 / 747

页数：5

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