Color-Variable Photodynamic Antimicrobial Wool/Acrylic Blended Fabrics

Materials

卷:13

Xiuming Cao¹  Tingting Wang²  Qingqing Wang²  Siming Zheng²  Reza A. Ghiladi²  Tingting Dong²  Wangbingfei Chen²  Qufu Wei²  Zihao Lv² 

[1] Jiangsu Sunshine Group Co., Ltd., Jiangyin 214122, China;

[2] Key Laboratory of Eco-Textiles, Ministry of Education, Jiangnan University, Wuxi 214122, China;

关键词: antibacterial;    photodynamic;    apparent color;    blended fabric;    photosensitizer;    rose bengal;   

DOI  :  10.3390/ma13184141

来源: DOAJ

【 摘 要 】

Towards the goal of developing scalable, economical and effective antimicrobial textiles to reduce infection transmission, here we prepared color-variable photodynamic materials comprised of photosensitizer (PS)-loaded wool/acrylic (W/A) blends. Wool fibers in the W/A blended fabrics were loaded with the photosensitizer rose bengal (RB), and the acrylic fibers were dyed with a variety of traditional cationic dyes (cationic yellow, cationic blue and cationic red) to broaden their color range. Investigations on the colorimetric and photodynamic properties of a series of these materials were implemented through CIELab evaluation, as well as photooxidation and antibacterial studies. Generally, the photodynamic efficacy of these dual-dyed fabrics was impacted by both the choice, and how much of the traditional cationic dye was employed in the dyeing of the W/A fabrics. When compared with the PS-only singly-dyed material, RB-W/A, that showed a 99.97% (3.5 log units; p = 0.02) reduction of Staphylococcus aureus under visible light illumination (λ ≥ 420 nm, 60 min), the addition of cationic dyes led to a slight decrease in the photoinactivation ability of the dual-dyed fabrics, but was still able to achieve a 99.3% inactivation of S. aureus. Overall, our findings demonstrate the feasibility and potential applications of low cost and color variable RB-loaded W/A blended fabrics as effective self-disinfecting textiles against pathogen transmission.

【 授权许可】

Unknown