UVC LED and Conducting Yarn-Based Heater for a Smart Germicidal Face Mask to Protect against Airborne Viruses

“Wear a mask. Save lives” is the slogan of WHO and all the government agencies over the world to the public. One of the most adopted prevention measures that can limit the spread of the airborne virus in the form of respiratory viral diseases, including the new strain of COVID-19, is wearing a prope...

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Autores principales:	Priyabrata Pattanaik, William Holderbaum, Asimananda Khandual, Hara Prasada Tripathy
Formato:	article
Lenguaje:	EN
Publicado:	MDPI AG 2021
Materias:	healthcare COVID-19 germicidal face mask FAR-UV-C LED conducting yarn-based heater MMT Technology T Electrical engineering. Electronics. Nuclear engineering TK1-9971 Engineering (General). Civil engineering (General) TA1-2040 Microscopy QH201-278.5 Descriptive and experimental mechanics QC120-168.85
Acceso en línea:	https://doaj.org/article/5eff49a68de042c19d6b24fec8b55079
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spelling	oai:doaj.org-article:5eff49a68de042c19d6b24fec8b550792021-11-25T18:15:35ZUVC LED and Conducting Yarn-Based Heater for a Smart Germicidal Face Mask to Protect against Airborne Viruses10.3390/ma142269991996-1944https://doaj.org/article/5eff49a68de042c19d6b24fec8b550792021-11-01T00:00:00Zhttps://www.mdpi.com/1996-1944/14/22/6999https://doaj.org/toc/1996-1944“Wear a mask. Save lives” is the slogan of WHO and all the government agencies over the world to the public. One of the most adopted prevention measures that can limit the spread of the airborne virus in the form of respiratory viral diseases, including the new strain of COVID-19, is wearing a proper mask. If the mask surface is heated to 65 to 70 °C, it could help potentially diminish any viruses or bacteria accumulated. The FAR-Ultraviolet -C (FAR-UV-C) dose for the influenza limit to 254 nm light is ~3 mJ/cm<sup>2</sup>/hour exposure is not harmful to the human skin and eyes. Here, we propose an intelligent mask served by FAR-UV-C and conducting a yarn-based heater that could potentially be activated in a controlled manner to kill the virus. The effective irradiation intensity for skin application would be under 0.1 µW/cm<sup>2</sup>. The exposure risk of UV-C is technically prevented by fabricating multi-layered fabrics with multiple functionalities. Along with experimental validation on bacterial filtration efficiency (BFE), tinker cad simulation for circuit design, and comsol multiphysics for temperature profile study, we probed Moisture Management Test (MMT) in addition with cytotoxicity risk by MTT Assay for survivability to ensure safer application potential. This novel proposed design with the germicidal combination of heating and FAR-UV-C models, described here, is promising in retaliating and combating any airborne viruses.Priyabrata PattanaikWilliam HolderbaumAsimananda KhandualHara Prasada TripathyMDPI AGarticlehealthcareCOVID-19germicidal face maskFAR-UV-C LEDconducting yarn-based heaterMMTTechnologyTElectrical engineering. Electronics. Nuclear engineeringTK1-9971Engineering (General). Civil engineering (General)TA1-2040MicroscopyQH201-278.5Descriptive and experimental mechanicsQC120-168.85ENMaterials, Vol 14, Iss 6999, p 6999 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	healthcare COVID-19 germicidal face mask FAR-UV-C LED conducting yarn-based heater MMT Technology T Electrical engineering. Electronics. Nuclear engineering TK1-9971 Engineering (General). Civil engineering (General) TA1-2040 Microscopy QH201-278.5 Descriptive and experimental mechanics QC120-168.85
spellingShingle	healthcare COVID-19 germicidal face mask FAR-UV-C LED conducting yarn-based heater MMT Technology T Electrical engineering. Electronics. Nuclear engineering TK1-9971 Engineering (General). Civil engineering (General) TA1-2040 Microscopy QH201-278.5 Descriptive and experimental mechanics QC120-168.85 Priyabrata Pattanaik William Holderbaum Asimananda Khandual Hara Prasada Tripathy UVC LED and Conducting Yarn-Based Heater for a Smart Germicidal Face Mask to Protect against Airborne Viruses
description	“Wear a mask. Save lives” is the slogan of WHO and all the government agencies over the world to the public. One of the most adopted prevention measures that can limit the spread of the airborne virus in the form of respiratory viral diseases, including the new strain of COVID-19, is wearing a proper mask. If the mask surface is heated to 65 to 70 °C, it could help potentially diminish any viruses or bacteria accumulated. The FAR-Ultraviolet -C (FAR-UV-C) dose for the influenza limit to 254 nm light is ~3 mJ/cm<sup>2</sup>/hour exposure is not harmful to the human skin and eyes. Here, we propose an intelligent mask served by FAR-UV-C and conducting a yarn-based heater that could potentially be activated in a controlled manner to kill the virus. The effective irradiation intensity for skin application would be under 0.1 µW/cm<sup>2</sup>. The exposure risk of UV-C is technically prevented by fabricating multi-layered fabrics with multiple functionalities. Along with experimental validation on bacterial filtration efficiency (BFE), tinker cad simulation for circuit design, and comsol multiphysics for temperature profile study, we probed Moisture Management Test (MMT) in addition with cytotoxicity risk by MTT Assay for survivability to ensure safer application potential. This novel proposed design with the germicidal combination of heating and FAR-UV-C models, described here, is promising in retaliating and combating any airborne viruses.
format	article
author	Priyabrata Pattanaik William Holderbaum Asimananda Khandual Hara Prasada Tripathy
author_facet	Priyabrata Pattanaik William Holderbaum Asimananda Khandual Hara Prasada Tripathy
author_sort	Priyabrata Pattanaik
title	UVC LED and Conducting Yarn-Based Heater for a Smart Germicidal Face Mask to Protect against Airborne Viruses
title_short	UVC LED and Conducting Yarn-Based Heater for a Smart Germicidal Face Mask to Protect against Airborne Viruses
title_full	UVC LED and Conducting Yarn-Based Heater for a Smart Germicidal Face Mask to Protect against Airborne Viruses
title_fullStr	UVC LED and Conducting Yarn-Based Heater for a Smart Germicidal Face Mask to Protect against Airborne Viruses
title_full_unstemmed	UVC LED and Conducting Yarn-Based Heater for a Smart Germicidal Face Mask to Protect against Airborne Viruses
title_sort	uvc led and conducting yarn-based heater for a smart germicidal face mask to protect against airborne viruses
publisher	MDPI AG
publishDate	2021
url	https://doaj.org/article/5eff49a68de042c19d6b24fec8b55079
work_keys_str_mv	AT priyabratapattanaik uvcledandconductingyarnbasedheaterforasmartgermicidalfacemasktoprotectagainstairborneviruses AT williamholderbaum uvcledandconductingyarnbasedheaterforasmartgermicidalfacemasktoprotectagainstairborneviruses AT asimanandakhandual uvcledandconductingyarnbasedheaterforasmartgermicidalfacemasktoprotectagainstairborneviruses AT haraprasadatripathy uvcledandconductingyarnbasedheaterforasmartgermicidalfacemasktoprotectagainstairborneviruses
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UVC LED and Conducting Yarn-Based Heater for a Smart Germicidal Face Mask to Protect against Airborne Viruses

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