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- Publisher Website: 10.1016/j.cej.2021.133783
- WOS: WOS:000795941600003
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Article: Anti-pathogen stainless steel combating COVID-19
Title | Anti-pathogen stainless steel combating COVID-19 |
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Authors | |
Issue Date | 2022 |
Citation | Chemical Engineering Journal, 2022, v. 433, p. 133783 How to Cite? |
Abstract | Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) exhibits strong stability on conventional stainless steel (SS) surface, with infectious virus detected even after two days, posing a high risk of virus transmission via surface touching in public areas. In order to mitigate the surface toughing transmission, the present study develops the first SS with excellent anti-pathogen properties against SARS-COV-2. The stabilities of SARS-CoV-2, H1N1 influenza A virus (H1N1), and Escherichia coli (E.coli) on the surfaces of Cu-contained SS, pure Cu, Ag-contained SS, and pure Ag were investigated. It is discovered that pure Ag and Ag-contained SS surfaces do not display apparent inhibitory effects on SARS-CoV-2 and H1N1. In comparison, both pure Cu and Cu-contained SS with a high Cu content exhibit significant antiviral properties. Significantly, the developed anti-pathogen SS with 20 wt% Cu can distinctly reduce 99.75% and 99.99% of viable SARS-CoV-2 on its surface within 3 and 6 h, respectively. In addition, the present anti-pathogen SS also exhibits an excellent inactivation ability for H1N1 influenza A virus (H1N1), and Escherichia coli (E.coli). Interestingly, the Cu ion concentration released from the anti-pathogen SS with 10 wt% and 20 wt% Cu was notably higher than the Ag ion concentration released from Ag and the Ag-contained SS. Lift buttons made of the present anti-pathogen SS are produced using mature powder metallurgy technique, demonstrating its potential applications in public areas and fighting the transmission of SARS-CoV-2 and other pathogens via surface touching. |
Persistent Identifier | http://hdl.handle.net/10722/314075 |
ISI Accession Number ID |
DC Field | Value | Language |
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dc.contributor.author | Liu, L | - |
dc.contributor.author | Chin, WH | - |
dc.contributor.author | Ping-Chun, YU | - |
dc.contributor.author | Poon, LML | - |
dc.contributor.author | Huang, M | - |
dc.date.accessioned | 2022-07-18T06:11:13Z | - |
dc.date.available | 2022-07-18T06:11:13Z | - |
dc.date.issued | 2022 | - |
dc.identifier.citation | Chemical Engineering Journal, 2022, v. 433, p. 133783 | - |
dc.identifier.uri | http://hdl.handle.net/10722/314075 | - |
dc.description.abstract | Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) exhibits strong stability on conventional stainless steel (SS) surface, with infectious virus detected even after two days, posing a high risk of virus transmission via surface touching in public areas. In order to mitigate the surface toughing transmission, the present study develops the first SS with excellent anti-pathogen properties against SARS-COV-2. The stabilities of SARS-CoV-2, H1N1 influenza A virus (H1N1), and Escherichia coli (E.coli) on the surfaces of Cu-contained SS, pure Cu, Ag-contained SS, and pure Ag were investigated. It is discovered that pure Ag and Ag-contained SS surfaces do not display apparent inhibitory effects on SARS-CoV-2 and H1N1. In comparison, both pure Cu and Cu-contained SS with a high Cu content exhibit significant antiviral properties. Significantly, the developed anti-pathogen SS with 20 wt% Cu can distinctly reduce 99.75% and 99.99% of viable SARS-CoV-2 on its surface within 3 and 6 h, respectively. In addition, the present anti-pathogen SS also exhibits an excellent inactivation ability for H1N1 influenza A virus (H1N1), and Escherichia coli (E.coli). Interestingly, the Cu ion concentration released from the anti-pathogen SS with 10 wt% and 20 wt% Cu was notably higher than the Ag ion concentration released from Ag and the Ag-contained SS. Lift buttons made of the present anti-pathogen SS are produced using mature powder metallurgy technique, demonstrating its potential applications in public areas and fighting the transmission of SARS-CoV-2 and other pathogens via surface touching. | - |
dc.language | eng | - |
dc.relation.ispartof | Chemical Engineering Journal | - |
dc.title | Anti-pathogen stainless steel combating COVID-19 | - |
dc.type | Article | - |
dc.identifier.email | Liu, L: ltzhou@hku.hk | - |
dc.identifier.email | Chin, WH: alexchin@hku.hk | - |
dc.identifier.email | Poon, LML: llmpoon@hkucc.hku.hk | - |
dc.identifier.email | Huang, M: mxhuang@hku.hk | - |
dc.identifier.authority | Chin, WH=rp02345 | - |
dc.identifier.authority | Poon, LML=rp00484 | - |
dc.identifier.authority | Huang, M=rp01418 | - |
dc.identifier.doi | 10.1016/j.cej.2021.133783 | - |
dc.identifier.hkuros | 334245 | - |
dc.identifier.volume | 433 | - |
dc.identifier.spage | 133783 | - |
dc.identifier.epage | 133783 | - |
dc.identifier.isi | WOS:000795941600003 | - |