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Effect of pH on the Activity of Erythromycin Against 500 Isolates of Gram-Negative Bacilli

机译:pH对500分离株红霉素活性的影响

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Erythromycin was found to be a more effective inhibitor of gram-negative bacilli in alkaline medium than in neutral or acid medium. A definite effect was noted with all of 500 recent clinical isolates of Escherichia coli, Klebsiella-Enterobacter, Pseudomonas aeruginosa, and Proteus mirabilis studied, but it was most striking with E. coli. At pH 8.5 all strains, except for 14% of those of P. mirabilis, were inhibited by concentrations of erythromycin readily achieved in urine with common therapeutic doses.
机译:发现红霉素是碱性培养基中克革兰阴性杆菌的更有效抑制剂,而不是中性或酸介质。所有500个最近的大肠杆菌临床分离株,Klebsiella-eanterobacter,假单胞菌铜绿假单胞菌和蛋白质米拉米斯的临床分离株所有效果都已注意到,但它与大肠杆菌最引人注目。在pH8.5的所有菌株中,除了在尿液中含有常见治疗剂量的尿液中易于实现的红霉素的浓度抑制了14毫拉米。

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