肺炎链球菌生长的最适氢离子浓度。
THE OPTIMUM HYDROGEN ION CONCENTRATION FOR THE GROWTH OF PNEUMOCOCCUS.
机构信息
Hospital of The Rockefeller Institute for Medical Research.
出版信息
J Exp Med. 1918 Sep 1;28(3):345-57. doi: 10.1084/jem.28.3.345.
Abstract
- The optimum hydrogen ion concentration for the growth of the various types of pneumococcus is a pH of about 7.8. 2. The limiting hydrogen ion concentrations for the growth of pneumococcus are a pH of 7.0 and a pH of 8.3. 3. Phosphates used in adjusting reactions of media retard growth if present in a concentration greater than 0.1 molecular. 4. Culture media for pneumococci should, therefore, have an initial reaction between a pH of 7.8 and 8.0 and a total salt concentration not exceeding 0.1 M.
摘要
各种类型肺炎球菌生长的最佳氢离子浓度为 pH 值约 7.8。
肺炎球菌生长的极限氢离子浓度为 pH 值 7.0 和 pH 值 8.3。
在调整培养基反应中使用的磷酸盐如果浓度大于 0.1 分子，则会抑制生长。
因此，肺炎球菌的培养基初始 pH 值应为 7.8 到 8.0 之间，总盐浓度不应超过 0.1 M。
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