| Autor: |
Nicola Trivellin, Matteo Buffolo, Francesco Onelia, Alberto Pizzolato, Marco Barbato, Viviana Teresa Orlandi, Claudia Del Vecchio, Fabrizio Dughiero, Enrico Zanoni, Gaudenzio Meneghesso, Andrea Crisanti, Matteo Meneghini |
| Jazyk: |
angličtina |
| Rok vydání: |
2021 |
| Předmět: |
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| Zdroj: |
Materials, Vol 14, Iss 9, p 2315 (2021) |
| Druh dokumentu: |
article |
| ISSN: |
1996-1944 |
| DOI: |
10.3390/ma14092315 |
| Popis: |
We report on the design, characterization and validation of a spherical irradiation system for inactivating SARS-CoV-2, based on UV-C 275 nm LEDs. The system is designed to maximize irradiation intensity and uniformity and can be used for irradiating a volume of 18 L. To this aim: (i) several commercially available LEDs have been acquired and analyzed; (ii) a complete optical study has been carried out in order to optimize the efficacy of the system; (iii) the resulting prototype has been characterized optically and tested for the inactivation of SARS-CoV-2 for different exposure times, doses and surface types; (iv) the result achieved and the efficacy of the prototype have been compared with similar devices based on different technologies. Results indicate that a 99.9% inactivation can be reached after 1 min of treatment with a dose of 83.1 J/m2. |
| Databáze: |
Directory of Open Access Journals |
| Externí odkaz: |
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