| 摘要 |
FIELD: medicine. ^ SUBSTANCE: raw material obtained out of gray substance homogenate should be supplemented with ionol (2.6-di-tret-butyl-4-methylphenol) at quantity necessary to prepare 0.0001 M final solution. Addition of this substance to raw material enables to keep its high activity being equal to 12.5-16.0 sec and enables to prolong its storage terms at (-40 2) C up to 10 wk before carrying out sublimation and prevent the decrease of activity during sublimation process. ^ EFFECT: higher efficiency. ^ 1 ex, 2 tbl |
