发明名称 |
Process and preparation for the quantitative determination of substances able to bind to cerebral receptors and a process for preparing the preparation |
摘要 |
A process for preparing a stable receptor preparation suitable for the quantitative determination of substances able to bind to cerebral receptors in which a brain or brain-region material is homogenized with an aqueous solution of an inert substance soluble in water; the formed homogenizate is centrifuged at an acceleration of 800 to 110 g for 8 to 20 minutes to form a supernatant; the brain or brain-region material is isolated from the supernatant by centrifuging the supernatant at an acceleration of 18,000 to 22,000 g for 10 to 20 minutes, the thus-obtained solid substance is rehomogenized in distilled water; the homogenizate is frozen and then thawed and thereafter centrifuged at an acceleration of 7000 to 9000 g for 5-15 minutes; the supernatant is isolated, centrifuged at an acceleration of 35,000 to 45,000 g for 20 to 30 minutes; the obtained solid substance is washed with an aqueous buffer solution of a pH value between 6 and 8, and a suspension consisting of the solid substance and the washing liquid is frozen and then thawed at least once and thereafter the suspension is lyophilized.
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申请公布号 |
US4528131(A) |
申请公布日期 |
1985.07.09 |
申请号 |
US19830470043 |
申请日期 |
1983.02.28 |
申请人 |
MTA KOEZPONTI KEMIAI KUTATO INTEZET |
发明人 |
KARDOS, JULIANNA;MAKSAY, GABOR;SIMONYI, MIKLOS |
分类号 |
G01N33/531;G01N33/94;(IPC1-7):C07G7/00;G01N33/58;G01N33/60 |
主分类号 |
G01N33/531 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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