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Meeting 2022 TMS Annual Meeting & Exhibition
Symposium Moving Forward from a Pandemic: How the Field of Materials Science Has Adapted (2022 Student-led Symposium)
Presentation Title Copper Ion Release in Copper-based Alloys: Implications on the Transmission of Coronaviruses Originating from Human Contact with Fomite Surfaces
Author(s) Victor Wallemacq, Carol Glover , Tsuyoshi Miyake , Daniel Engel , John Scully , Stephen McDonnell
On-Site Speaker (Planned) Victor Wallemacq
Abstract Scope Copper-based alloys promise to reduce the survivability of human coronaviruses on fomite surfaces. As the global economy begins to recover from SARS-CoV-2, engineered passive antimicrobial materials are essential to protect against fomite surface to human transmission of current and future viral diseases. Though previous literature has considered copper for its antimicrobial properties, the details of time-dependent copper alloy corrosion mechanisms and its effects on cation release are not fully understood. Moreover, it is becoming clear that the media in which the viral inactivation test is carried out can impact the results. Here we test the efficacy of copper alloys in various media, including artificial perspiration, assay media, and phosphate-buffered saline. We investigate the surface chemistry, copper release, and each surface's electrochemical properties. The surfaces' antiviral performance is judged by virus unit death over time, evaluated alongside the respective surface states to identify the corrosion mechanics with the greatest antimicrobial efficacy.
Proceedings Inclusion? Planned:
Keywords Copper / Nickel / Cobalt, Other, Other


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Conducting Materials Research during and after a Global Pandemic
Copper Ion Release in Copper-based Alloys: Implications on the Transmission of Coronaviruses Originating from Human Contact with Fomite Surfaces
Engineering Education during and post Pandemic
How CHESS Responded to the Corona Virus Pandemic
Improvements to the Nanoindentation Technique and Its Use to Measure the Properties of Microfibers
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