Reused N95 Face Masks Performance: Effect of Gamma Irradiation Method on Residual Bioburden and Functional Material Resistance
Due to the pandemic of Covid-19, the use of face masks has been very intense. There is a need for an innovative solution to enable reuse of face masks that have been exposed to viruses or bacteria. Face mask sterilization by gamma irradiation could be one of the solutions. However, to ensure that th...
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| Language: | English |
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Universitas Indonesia
2025-01-01
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| Series: | International Journal of Technology |
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| Online Access: | https://ijtech.eng.ui.ac.id/article/view/6318 |
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| author | Ade Lestari Yunus Akhmad Rasyid Syahputra Rizka Fitriana Deswita Bimo Saputro Muhamad Yasin Yunus Hanna Yasmine Devita Tetriana Irawan Sugoro Darmawan Darwis |
| author_facet | Ade Lestari Yunus Akhmad Rasyid Syahputra Rizka Fitriana Deswita Bimo Saputro Muhamad Yasin Yunus Hanna Yasmine Devita Tetriana Irawan Sugoro Darmawan Darwis |
| author_sort | Ade Lestari Yunus |
| collection | DOAJ |
| description | Due to the pandemic of Covid-19, the use of face masks has been very intense. There is a need for an innovative solution to enable reuse of face masks that have been exposed to viruses or bacteria. Face mask sterilization by gamma irradiation could be one of the solutions. However, to ensure that the quality of the sterilized mask is still at a satisfactory level, chemical, thermal, and mechanical tests need to be conducted. Firstly, microbial analysis or bioburden is carried out. The effective dose for reducing microbes is found 23.2 kGy. These results are reinforced by several functional tests. FTIR measurement found no crucial functional group changes from polyester and polypropylene to masks. At 15 kGy and 25 kGy absorbed gamma irradiation, the elongation tensile strength of the mask slightly increased by 1.3 and 0.8 points higher than the initial. The tensile strength value decreased from 3.02 MPa to 2.27 MPa and 2.53. MPa for 15 kGy and 25 kGy. After several sterilization techniques, DSC curves showed melting point of polyester and polypropylene do not significant changes. SEM-EDS analysis show no presence of bacteria of viruses 0% mass of nitrogen at each of several methods of sterilization. After gamma irradiation, the morphology of polypropylene surfaces became slightly flawed, spaced, and fractured. |
| format | Article |
| id | doaj-art-f81f5641740c4bd188fb264d1c5b5c4b |
| institution | Kabale University |
| issn | 2086-9614 2087-2100 |
| language | English |
| publishDate | 2025-01-01 |
| publisher | Universitas Indonesia |
| record_format | Article |
| series | International Journal of Technology |
| spelling | doaj-art-f81f5641740c4bd188fb264d1c5b5c4b2025-01-31T14:13:03ZengUniversitas IndonesiaInternational Journal of Technology2086-96142087-21002025-01-0116131032110.14716/ijtech.v16i1.63186318Reused N95 Face Masks Performance: Effect of Gamma Irradiation Method on Residual Bioburden and Functional Material ResistanceAde Lestari Yunus0Akhmad Rasyid Syahputra1Rizka Fitriana2Deswita3Bimo Saputro4Muhamad Yasin Yunus5Hanna Yasmine6Devita Tetriana7Irawan Sugoro8Darmawan Darwis9Research Center for Radiation Process Technology, Research Organization for Nuclear Technology (BRIN), South Tangerang, 15314, IndonesiaResearch Center for Radiation Process Technology, Research Organization for Nuclear Technology (BRIN), South Tangerang, 15314, IndonesiaResearch Center for Radiation Process Technology, Research Organization for Nuclear Technology (BRIN), South Tangerang, 15314, IndonesiaResearch Center for Radiation Detection and Nuclear Analysis Technology, Research Organization for Nuclear Technology (BRIN), South Tangerang, 15314, IndonesiaResearch Center for Safety, Metrology and Nuclear Quality Technology, Research Organization for Nuclear Technology (BRIN), South Tangerang, 15314, IndonesiaResearch Center for Radiation Process Technology, Research Organization for Nuclear Technology (BRIN), South Tangerang, 15314, IndonesiaResearch Center for Radiation Process Technology, Research Organization for Nuclear Technology (BRIN), South Tangerang, 15314, IndonesiaResearch Center for Safety, Metrology and Nuclear Quality Technology, Research Organization for Nuclear Technology (BRIN), South Tangerang, 15314, IndonesiaResearch Center for Radiation Process Technology, Research Organization for Nuclear Technology (BRIN), South Tangerang, 15314, IndonesiaResearch Center for Radiation Process Technology, Research Organization for Nuclear Technology (BRIN), South Tangerang, 15314, IndonesiaDue to the pandemic of Covid-19, the use of face masks has been very intense. There is a need for an innovative solution to enable reuse of face masks that have been exposed to viruses or bacteria. Face mask sterilization by gamma irradiation could be one of the solutions. However, to ensure that the quality of the sterilized mask is still at a satisfactory level, chemical, thermal, and mechanical tests need to be conducted. Firstly, microbial analysis or bioburden is carried out. The effective dose for reducing microbes is found 23.2 kGy. These results are reinforced by several functional tests. FTIR measurement found no crucial functional group changes from polyester and polypropylene to masks. At 15 kGy and 25 kGy absorbed gamma irradiation, the elongation tensile strength of the mask slightly increased by 1.3 and 0.8 points higher than the initial. The tensile strength value decreased from 3.02 MPa to 2.27 MPa and 2.53. MPa for 15 kGy and 25 kGy. After several sterilization techniques, DSC curves showed melting point of polyester and polypropylene do not significant changes. SEM-EDS analysis show no presence of bacteria of viruses 0% mass of nitrogen at each of several methods of sterilization. After gamma irradiation, the morphology of polypropylene surfaces became slightly flawed, spaced, and fractured.https://ijtech.eng.ui.ac.id/article/view/6318bioburdencovid-19face maskfunctional testgamma irradiation |
| spellingShingle | Ade Lestari Yunus Akhmad Rasyid Syahputra Rizka Fitriana Deswita Bimo Saputro Muhamad Yasin Yunus Hanna Yasmine Devita Tetriana Irawan Sugoro Darmawan Darwis Reused N95 Face Masks Performance: Effect of Gamma Irradiation Method on Residual Bioburden and Functional Material Resistance International Journal of Technology bioburden covid-19 face mask functional test gamma irradiation |
| title | Reused N95 Face Masks Performance: Effect of Gamma Irradiation Method on Residual Bioburden and Functional Material Resistance |
| title_full | Reused N95 Face Masks Performance: Effect of Gamma Irradiation Method on Residual Bioburden and Functional Material Resistance |
| title_fullStr | Reused N95 Face Masks Performance: Effect of Gamma Irradiation Method on Residual Bioburden and Functional Material Resistance |
| title_full_unstemmed | Reused N95 Face Masks Performance: Effect of Gamma Irradiation Method on Residual Bioburden and Functional Material Resistance |
| title_short | Reused N95 Face Masks Performance: Effect of Gamma Irradiation Method on Residual Bioburden and Functional Material Resistance |
| title_sort | reused n95 face masks performance effect of gamma irradiation method on residual bioburden and functional material resistance |
| topic | bioburden covid-19 face mask functional test gamma irradiation |
| url | https://ijtech.eng.ui.ac.id/article/view/6318 |
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