發(fā)布時(shí)間：2019-02-17 09:00

【摘要】：目的了解我國現(xiàn)行流通的第五套人民幣細(xì)菌污染情況。方法抽取市面上流通的第五套人民幣面值100元、50元、20元、10元、5元及1元紙幣各100份,對其正反面進(jìn)行標(biāo)本的采樣,稀釋、接種、培養(yǎng),計(jì)算細(xì)菌總數(shù),采用SPSS 18.0進(jìn)行統(tǒng)計(jì)分析,計(jì)量資料的比較采用Kruskal Wallis H和Mann-Whitney檢驗(yàn),P0.05為差異有統(tǒng)計(jì)學(xué)意義。結(jié)果單位面積紙幣細(xì)菌污染總數(shù)的中位數(shù)為645cfu/cm~2,四分位數(shù)間距為2 700cfu/cm~2,95%的參考值范圍為3.0×10~1~5.3×10~4 cfu/cm~2;100元、50元、20元、10元、5元、1元紙幣細(xì)菌污染總數(shù)的中位數(shù)分別為330、390、220、680、1 750、3 650cfu/cm~2;四分位數(shù)間距分別為778、723、530、2428、6 143、12 005cfu/cm~2;95%參考值范圍分別為2.5×10~1~5.6×10~3、2.0×10~1~1.1×10~4、1.0×10~1~4.8×10~3、3.5×10~1~3.5×10~4、6.0×10~1~7.0×10~4、6.1×10~1~1.8×10~5 cfu/cm~2。每張紙幣細(xì)菌污染總數(shù)的中位數(shù)為66 675cfu/張,四分位數(shù)間距為244 265cfu/張,95%的參考值范圍為2.9×10~3~4.4×10~6 cfu/張;100元、50元、20元、10元、5元、1元紙幣細(xì)菌污染總數(shù)的中位數(shù)分別為39 125、40 950、22 330、66 640、149 625、294 190cfu/張;四分位數(shù)間距分別為92 180、75 863、53 795、237 895、525 184、967 603cfu/張;95%參考值范圍分別為3.0×10~3~6.7×10~5、2.1×10~3~1.2×10~6、1.0×10~3~4.9×10~5、3.5×10~3~3.4×10~6、5.1×10~3~6.0×10~6、4.9×10~3~1.5×107cfu/張。經(jīng)Kruskal Wallis H和Mann-Whitney U檢驗(yàn),不同面值紙幣污染的細(xì)菌總數(shù)差異有統(tǒng)計(jì)學(xué)意義(P0.05)。單位面積紙幣細(xì)菌污染數(shù)1元5元10元50元及100元和20元,其中100元和50元、100元和20元紙幣比較差異無統(tǒng)計(jì)學(xué)意義(P0.05),其余面值紙幣間差異有統(tǒng)計(jì)學(xué)意義(P0.05)。整張紙幣細(xì)菌污染數(shù)1元5元10元50元和100元20元,100元和50元紙幣比較差異無統(tǒng)計(jì)學(xué)意義(P0.05),其余面值紙幣間比較差異有統(tǒng)計(jì)學(xué)意義(P0.05)。結(jié)論第五套人民幣細(xì)菌污染嚴(yán)重,低面值紙幣的細(xì)菌污染數(shù)較高面值多。人民幣的微生物污染是一個(gè)不容忽視的公共衛(wèi)生問題,建議提高相關(guān)的安全防范意識。
[Abstract]:Objective to understand the fifth set of RMB bacterial contamination in current circulation in China. Methods 100 copies of the fifth set of RMB notes with face value of 100 yuan, 50 yuan, 20 yuan, 10 yuan, 5 yuan and 1 yuan were sampled, diluted, inoculated, cultured and the total number of bacteria was calculated. SPSS 18.0 was used for statistical analysis, and Kruskal Wallis H and Mann-Whitney tests were used to compare the measurement data. The difference was statistically significant (P0.05). Results the median of total bacterial contamination per unit area of banknotes was 645cfu / cm ~ (2) and the quartile spacing was 2 700cf / cm ~ (95)%. The reference range was 3.0 脳 10 ~ (-1) / cm ~ (-1) and 5.3 脳 10 ~ (4) cfu/cm~2;. The median of the total bacterial contamination of 100, 50, 20, 10, 5, and 1 yuan notes were 330U / 390U / 22080 / 650U / c / cm ~ (-1) / cm ~ (-1) respectively, and the quartile spacing was 778T / 723N / 530 ~ 24283312005cfu/ cm / cm ~ (-1), respectively, and the distance between the four quartiles was 778 / 723 / 530 / 28614312005 / cm ~ (-1) / cm ~ (-1), respectively. The range of 95% reference values is 2.5 脳 10 ~ (1), 5.6 脳 10 ~ (10) ~ 3H ~ (2. 0) 脳 10 ~ (10) 1 ~ (1) 1 脳 10 ~ (4) 脳 10 ~ (1) ~ (1) 脳 10 ~ (4) 脳 10 ~ (3) 脳 10 ~ (3) 脳 10 ~ (3) 脳 10 ~ (3) 脳 10 ~ (4) 脳 10 ~ (4) C ~ (6) 脳 10 ~ (1) ~ (1) 脳 10 ~ (1) ~ (1) 脳 10 ~ (5) cfu/cm~2.. The median of the total bacterial contamination of each banknote was 66 675cfu/ sheets, the quadrant spacing was 244 265cfu/ sheets, and the reference value range of 95% was 2.9 脳 10 ~ (10) ~ 34.4 脳 10 ~ (-6) cfu/ sheet. The median of the total bacterial contamination of 100 yuan, 50 yuan, 20 yuan, 10 yuan, 5 yuan and 1 yuan banknotes were 39 125 ~ 40 950 ~ 22 330 ~ 66 640149 625294 190cfu/ sheets, respectively, and the quartile spacing were 92 180 75 863 ~ 53 795237 895525 184967 603cfu/ sheets, respectively. The range of 95% reference values is 3.0 脳 10 ~ (3) ~ (6) 脳 10 ~ (6) 7 脳 10 ~ (5) ~ (5) 脳 10 ~ (6) 脳 10 ~ (6) ~ (1) 脳 10 ~ (6) ~ 1 脳 10 ~ (6) 107cfu/. Kruskal Wallis H and Mann-Whitney U test showed that the total number of bacteria contaminated with different denominations of paper money was significantly different (P0.05). The bacterial contamination of paper currency per unit area was 1 yuan, 5 yuan, 10 yuan, 50 yuan and 100 yuan and 20 yuan, of which 100 yuan and 50 yuan, 100 yuan and 20 yuan notes had no statistical significance (P0.05), There were significant differences between the other denomination notes (P0.05). The bacterial contamination of the whole paper currency was 1 yuan, 5 yuan, 10 yuan, 50 yuan and 100 yuan 20 yuan. There was no significant difference between 100 yuan and 50 yuan notes (P0.05), while the other denomination notes had statistical significance (P0.05). Conclusion the fifth set of RMB is seriously polluted by bacteria, and the bacterial contamination of low denomination paper currency is higher than that of high denomination. Microbial contamination of RMB is a public health problem that can not be ignored.
【作者單位】： 貴州省疾病預(yù)防控制中心;
【基金】：貴州省疾病預(yù)防控制中心青年科技基金項(xiàng)目(2015-E1-1青)
【分類號】：R126.4

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