References:

Others

• Antibacterial properties of some metals and alloys in combating coliforms in contaminated water (https://academicjournals.org/article/article1380626432_Varkey.pdf)
• The survival of Escherichia coli O157 on a range of metal surfaces (https://pubmed.ncbi.nlm.nih.gov/16253366)
• Contribution of Copper Ion Resistance to Survival of Escherichia coli on Metallic Copper Surfaces (https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2258564/)
• Human sweat can reduce anti-bacterial properties of brass objects in hospitals and schools (https://www.sciencedaily.com/releases/2014/06/140617210344.htm)