葡萄状球菌の血漿凝固能に就て

概要

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The ability of staphylococcus strains to coagulate blood plasms is influenced either by the amounts of bacterial cultures added, or by the types of blood plasms used. Based on these principles, we have conducted the numerous experiments which were to be outlined as follows. 1. The comparative tests were carried out on the plasms of rabbit, human, sheep, goat and guinea-pig. Human and rabbit plasms were more easily clotted by adding the cocci and proved more suitable for the test than those of the other animals. 2. Human and rabbit plasms were nearly equally susceptible to coagulation if prepared routinely by titrating a series of increasing dilution of plasms against a fixed volume of culture and better results were obtained by the use of broth culture rather than plate culture. 3. The optimal proportion could be obtained by mixing 5 times to 10 times dilution of human or rabbit citrated plasms in saline water and 1/8 to 1/32 mg. per c.c. dose of the bacteria of agar culture or 16 times to 64 times dilution of broth culture. 4. As to the relationship of the coagulase to the vilurence of the organisms, our experiments showed that coagulae-negative and haemolysenegative strains formed no toxins or were at least less toxic.
九州歯科学会の論文
1953-01-30