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首页> 外文期刊>Journal of Clinical Microbiology >4-h Identification of Pseudomonas aeruginosa with 9-chloro-9-(4-diethylaminophenyl)-10-phenylacridan.
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4-h Identification of Pseudomonas aeruginosa with 9-chloro-9-(4-diethylaminophenyl)-10-phenylacridan.

机译:用9-氯-9-(4-二乙基氨基苯基)-10-苯基ac啶4-h鉴定铜绿假单胞菌。

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A total of 361 gram-negative bacilli were evaluated for their ability to grow in the presence of 9-chloro-9-(4-diethylaminophenyl)-10-phenylacridan. The minimum time required for the production of visual turbidity in brain heart infusion broth was determined to be 4 h in shake cultures at 35 degrees C. The minimal inhibitory concentration (MIC) of 9-chloro-9-(4-diethylaminophenyl)-10-phenylacridan in brain heart infusion broth was determined for 174 isolates. The MICs for all 40 Pseudomonas aeruginosa isolates tested were greater than 50 micrograms/ml. The MICs for the other 53 pseudomonads tested were less than or equal to 5 micrograms/ml. Among 81 other gram-negative bacilli tested, the MICs for 4 were 15 micrograms/ml, the MICs for 15 were 10 micrograms/ml, the MICs for 21 were 5 micrograms/ml, and the MICs for 41 were less than or equal to 1 micrograms/ml. Based on these data, 361 gram-negative bacilli were inoculated into brain heart infusion broth containing 15 micrograms of 9-chloro-9-(4-diethylaminophenyl)-10-phenylacridan per ml and incubated on a shaker for 4 h. The only bacteria that produced visual turbidity were identified as P. aeruginosa (170 of 170 isolates).
机译:评估总共361克阴性杆菌在9-氯-9-(4-二乙基氨基苯基)-10-苯基ac啶存在下的生长能力。在35摄氏度的摇动培养中,确定脑心输液肉汤中产生视觉浊度所需的最短时间为4小时。9-氯-9-(4-二乙基氨基苯基)-10的最小抑菌浓度(MIC)测定了174株分离物在脑心浸液中的β-苯ac啶。测试的所有40个铜绿假单胞菌分离物的MIC均大于50微克/毫升。其他53个假单核细胞的MIC小于或等于5微克/毫升。在其他81种革兰氏阴性杆菌中,MIC的4 MIC为15微克/毫升,MIC的15 MIC为10微克/毫升,MIC的21 MIC为5微克/毫升,41的MIC小于或等于1微克/毫升。根据这些数据,将361克阴性杆菌接种到每毫升含15微克9-氯-9-(4-二乙基氨基苯基)-10-苯基ac啶的脑心浸液中,并在振荡器上孵育4小时。唯一产生视觉混浊的细菌被鉴定为铜绿假单胞菌(170个分离株中的170个)。

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