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서울市內 流通紙幣에 대한 細菌學的 汚染度 調査

Bacterial Contamination of Bank Notes Circulating in Seoul

공중보건잡지 1969년 6권 2호 p.313 ~ 318
박숙자 (  ) - 서울대학교 보건대학원

Abstract


A Study was carried out on the bacteriological contamination of bank notes circulating in Seoul. Notes of 10 won, 100 won and 500 won of three degrees of damage were collected at the Namdaemoon market, Suyoori bus terminal and Red Cross hospital in Seoul from May 15 to August 11, 1969 and total viable bacteria counts, coliform groups and pathogenic staphyl lococci were tested.
Main findings are summarized as follows:
1. Average total viable bacterial count on one 10 won note is 1.0×10?? while that on one 100 won note 9.0×10² and on one 500 won note 3.4×10³.
2. Total viable bacterial count increases with increasing the degree of damage of the note; that is, the count is 1.9×10²on one lightly damaged note while that is 4.4×10⁴on one moderately damaged note and 1.1×10?? on one severely damaged note.
3. Total viable bacterial count is 5.7×10?? per sq. cm. of 10 won note while that is 4.4×10⁴sq. cm. of 100 won note and 1.4×10 per sq. cm. of 500 won note.
4. Total viable bacterial count of 9.9×
10?? is founded on one note collected at the Namdaemoon market while that of 1.3×10?? at the Red Cross hospital and 1.2×10³at the Suyoori bus terminal.
5. Coliform groups are found on two samples of 10 won and 500 won notes collected at the Namdaemoon market.
6. No pathogenic staphylococci are found on the bank notes tested.

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