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This study investigates the microbial contamination of Egyptian paper banknotes and its impact on their durability and usability. It found significant bacterial contamination, particularly with E. Coli, in older denominations, while new notes showed minimal contamination. The research suggests that post-coating banknotes with antibacterial varnish or using polymer substrates could enhance their longevity and reduce microbial presence.

Author

delrey552

Language

EN