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15 Φεβ 2022 · Although titanium dioxide (TiO2) is a suspected human carcinogen when inhaled, fiber-grade TiO2 (nano)particles were demonstrated in synthetic textile fibers of face masks intended...
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4 Νοε 2022 · The antibacterial efficacies of cloth face masks coated with TiO2 were measured by inoculating them in bacterial suspensions (105 CFUs from both E. coli and S. aureus).
TiO2 (nano)particles were demonstrated in synthetic textile ¤bers of face masks intended for the general public. STEM‑EDX analysis on sections of a variety of single use and reusable face...
1 Νοε 2023 · Protective equipment (PPE) such as safety goggles, face masks, and coveralls should be worn when working with TiO 2 (Lovén et al., 2021). Regular monitoring of TiO 2 levels is necessary, and workers should receive training on safe handling, cleaning, and storage of the particles (Groso et al., 2016).
Because of the possible health risks related to the use of nanoparticle technologies in face masks, a general methodology is developed for identification, localization and particle size measurement of nanoparticles in situ in face masks by conventional and analytical transmission electron microscopy (TEM).
4 Νοε 2022 · When TiO2 nanoparticle solutions of a high concentration (2%) were applied to face masks against E. coli and S. aureus, efficacies of 3.7 and 3.34 log reduction were obtained, respectively, which is considered strong antibacterial activity (Table (Table1). 1).
4 Νοε 2022 · The antibacterial efficacies of cloth face masks coated with TiO2 were measured by inoculating them in bacterial suspensions (10 5 CFUs from both E. coli and S. aureus). The results showed that TiO2 nanoparticle solutions (at 2%) reduced the starting inoculum of 10 5 CFUs (5 log cfu/cm 2 ) of E. coli and S. aureus to 1.3 and 1.68 log ...
