Innovative High-Surface-Area CuO Pretreated Cotton Effective in Bacterial Inactivation under Visible Light

被引:52
作者
Torres, A. [2 ,3 ]
Ruales, C. [4 ]
Pulgarin, C. [4 ]
Aimable, A. [3 ]
Bowen, P. [3 ]
Sarria, V. [2 ]
Kiwi, J. [1 ]
机构
[1] Swiss Fed Inst Technol, EPFL SB ISIC LPI, Stn 6, CH-1015 Lausanne, Switzerland
[2] Univ Los Andes, Dept Chem, Bogota, Colombia
[3] Swiss Fed Inst Technol, EPFL STI IMX LTP, Powder Technol Lab, Mat Inst,MXD 334,Stn 12, CH-1015 Lausanne, Switzerland
[4] Swiss Fed Inst Technol, EPFL SB ISIC GGEC, Stn 6, CH-1015 Lausanne, Switzerland
关键词
RF-plasma; CuO high SSA; cotton; E; coli; visible light; TEXTILES; POLYESTER; POLYAMIDE; IRRADIATION; EFFICIENCY; COPPER;
D O I
10.1021/am100370y
中图分类号
TB3 [工程材料学];
学科分类号
0805 ; 080502 ;
摘要
This study presents the first report on enhanced bacterial inactivation of E. coli by RF-plasma pretreated cotton with high-surface-area CuO powders compared with nonpretreated cotton textiles. The high-surface-area CuO (65 m/g) powder was fully characterized. The E. coli inactivation proceeded in the dark and was accelerated under visible and sunlight irradiation even at very low levels of visible light irradiation. The effect the RF-plasma pretreatment of the cotton on the binding of CuO, applied light dose, the amount of CuO loading and initial E. coli concentration on the inactivation kinetics of E. coli is reported in detail.
引用
收藏
页码:2547 / 2552
页数:6
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