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|Title:||Bacterial Contamination of Paper Banknotes in Circulation; a Case Study in the Jenin District, Palestine|
|Authors:||hazem d sawalha|
mahmoud abu mowais
|Keywords:||Banknotes; Contamination; Bacteria; Palestine|
|Publisher:||JOURNAL OF SCIENCE|
|Abstract:||Paper banknotes in circulation were collected from the Jenin city and examined for bacterial contamination. The colony forming units (CFU/ml) of sterile water used in washing each banknote ranged between 4.6 x 104 and 9.7 x 105. The major contaminating bacterial species was Escherichia coli (71%), which is an opportunistic human pathogen. The other species including Staphylococcus aureus (9%), Proteus (8%), Bacillus (4%), Shigella (3%), Salmonella (3%), and Klebsiella (2%), were believed to be causative agents of human diseases. Bacterial contamination depended on the denomination of the banknotes. Lower denominations were more contaminated than higher ones. A higher bacterial count was recorded on dirty and tattered banknotes compared with clean and new ones. This study has demonstrated that local banknotes could be a potential source of contamination by bacterial pathogens.|
|Appears in Collections:||Faculty & Staff Scientific Research publications|
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