Design, Structural Characteristic and Antibacterial Performance of Silver-Containing Cotton Fiber Nanocomposite

Abstract

In the present study, cotton fiber was treated with phosphorus trichloride in the presence of oxygen. As a result of the subsequent hydrolysis of modified cotton fibers, phosphorus-containing fragments with acidic groups and chlorine atoms were introduced onto their surface. Afterward, silver-containing composites based on raw and modified cotton fibers were prepared using the chemical reduction method. The obtained samples were characterized in detail by Fourier transform infrared spectroscopy, ultraviolet–visible spectroscopy, X-ray powder diffraction, as well as by thermogravimetric analysis, scanning electron microscopy, and energy-dispersive X-ray analysis. A comparative bioassay experiment of four samples for gram-negative (Escherichia coli) bacteria, gram-positive (Staphylococcus aureus) bacteria, and the fungus Candida albicans was carried out. These results showed the predominant antibacterial activity of the phosphorylated sample and the composite based on it. Thus, the development of these antibacterial cotton fibers using readily available reagents under relatively mild conditions could be used as potential industrial applications for the production of everyday medical textiles.

Multifunctional radiative cooling cellulose fabrics by in situ grown ZnO for Personal Thermal Management

“…After in-situ growth of ZnO nanorods, new characteristic peaks appeared in the infrared spectrum of cellulose fabric, which were located at 2360 cm − 1 , 1510 cm − 1 and 1400 cm − 1 , which were due to the Zn-O telescopic vibration, and the results proved that ZnO nanorods had been successfully The surface composition of the modi ed cellulose fabrics was further elucidated by X-ray photoelectron spectroscopy (XRD) (Fig. 4b), and the characteristic diffraction peaks of the cellulose type I structure appeared at 14.54°, 16.05°, 22.44° of the unmodi ed cellulose fabric (Alosmanov et al, 2022). The cellulose fabric modi ed with Nano-ZnO not only retained the characteristic peaks of cellulose type I structure, but also showed strong diffraction peaks of (100), ( 002) and (101) crystalline surfaces of Nano-ZnO at 31.62°, 34.44° and 36.20°, and at 47.43°, 56.56°, 62.78° and 67.91°, weak diffraction peaks of (102), (110), ( 103) and (004) crystalline surfaces of Nano-ZnO were found(Asim & Naeem, 2022; Woo et al, 2023).…”

Structural Characterization of Composites Based on Butadiene Rubber and Expanded Perlite

“…In addition, small shoulders are visible in the range of 787-758 cm −1 and 1083-1000 cm −1 . There was probably an overlap of bands associated with modified silanol groups and absorption bands associated with P=O and P-OH groups, which are located almost in the region of 810-1100 cm −1 [16][17][18]22]. The spectrum also shows a relatively broad band in the range from 3100 to 3600 cm −1 , due to the OH stretching absorption of the -P(O)(OH) 2 groups [16].…”