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231225s2022 xx |||||o 00| ||eng c |
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|a 10.1016/j.cej.2021.134160
|2 doi
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|a pubmed24n1115.xml
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|a (DE-627)NLM334671396
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|a (NLM)34931115
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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| 100 |
1 |
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|a Xiong, Si-Wei
|e verfasserin
|4 aut
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| 245 |
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|a Temperature-adjustable F-carbon nanofiber/carbon fiber nanocomposite fibrous masks with excellent comfortability and anti-pathogen functionality
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|c 2022
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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|a ƒa Online-Ressource
|b cr
|2 rdacarrier
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|a Date Revised 21.12.2022
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a © 2021 Published by Elsevier B.V.
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|a Wearing surgical masks remains the most effective protective measure against COVID-19 before mass vaccination, but insufficient comfortability and low antibacterial/antiviral activities accelerate the replacement frequency of surgical masks, resulting in large amounts of medical waste. To solve this problem, we report new nanofiber membrane masks with outstanding comfortability and anti-pathogen functionality prepared using fluorinated carbon nanofibers/carbon fiber (F-CNFs/CF). This was used to replace commercial polypropylene (PP) nonwovens as the core layer of face masks. The through-plane and in-plane thermal conductivity of commercial PP nonwovens were only 0.12 and 0.20 W/m K, but the F-CNFs/CF nanofiber membranes reached 0.62 and 5.23 W/m K, which represent enhancements of 380% and 2523%, respectively. The surface temperature of the PP surgical masks was 23.9 ℃ when the wearing time was 15 min, while the F-CNFs/CF nanocomposite fibrous masks reached 27.3 ℃, displaying stronger heat dissipation. Moreover, the F-CNFs/CF nanofiber membranes displayed excellent electrical conductivity and produced a high-temperature layer that killed viruses and bacteria in the masks. The surface temperature of the F-CNFs/CF nanocomposite fibrous masks reached 69.2 ℃ after being connected to a portable power source for 60 s. Their antibacterial rates were 97.9% and 98.6% against E. coli and S. aureus, respectively, after being connected to a portable power source for 30 min
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|a Journal Article
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|a Anti-pathogen functionality
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|a COVID-19
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|a Electrothermal conversion
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| 650 |
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|a Face masks
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| 650 |
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|a Wearing comfortability
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| 700 |
1 |
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|a Zou, Qian
|e verfasserin
|4 aut
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| 700 |
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|a Wang, Ze-Gang
|e verfasserin
|4 aut
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| 700 |
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|a Qin, Jun
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Liu, Yang
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Wei, Nan-Jun
|e verfasserin
|4 aut
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| 700 |
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|a Jiang, Meng-Ying
|e verfasserin
|4 aut
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| 700 |
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|a Gai, Jing-Gang
|e verfasserin
|4 aut
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| 773 |
0 |
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|i Enthalten in
|t Chemical engineering journal (Lausanne, Switzerland : 1996)
|d 1999
|g 432(2022) vom: 15. März, Seite 134160
|w (DE-627)NLM098273531
|x 1385-8947
|7 nnns
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| 773 |
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|g volume:432
|g year:2022
|g day:15
|g month:03
|g pages:134160
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|u http://dx.doi.org/10.1016/j.cej.2021.134160
|3 Volltext
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