会员体验
专利管家(专利管理)
工作空间(专利管理)
风险监控(情报监控)
数据分析(专利分析)
侵权分析(诉讼无效)
联系我们
交流群
官方交流:
QQ群: 891211   
微信请扫码    >>>
现在联系顾问~
热词
    • 1. 发明授权
    • Aqueous cholesterol standard solution and process for its preparation
    • 水性胆固醇标准溶液及其制备方法
    • US4868139A
    • 1989-09-19
    • US122019
    • 1987-11-17
    • Rolf DeegGisela DenglerJoachim Ziegenhorn
    • Rolf DeegGisela DenglerJoachim Ziegenhorn
    • G01N33/50C12Q1/60G01N33/92
    • C12Q1/60Y10T436/104165Y10T436/108331
    • The present invention provides an aqueous cholesterol standard solution with a definite content of cholesterol, wherein it contains a detergent mixture of 10 to 90% of cholic acid and 90 to 10% of desoxycholic acid or of appropriate salts or derivatives of these acids.The present invention also provides a process for the preparation of this aqueous cholesterol standard solution, wherein a detergent mixture of cholic acid and desoxycholic acid or of appropriate salts and derivatives of these acids is dissolved in distilled water or in 0.9% aqueous sodium chloride solution, an appropriate preservation agent and/or a buffer effective in the pH range of from 7 to 9 optionally added thereto, and a definite, precisely defined amount of cholesterol is dissolved in the solution thus obtained, while stirring and warming to 40.degree. to 60.degree. C.
    • 本发明提供具有一定胆固醇含量的胆固醇水溶液,其中含有10-90%胆酸和90-10%脱氧胆酸或这些酸的适当盐或衍生物的洗涤剂混合物。 本发明还提供了制备这种胆固醇水溶液标准溶液的方法,其中将胆酸和脱氧胆酸的洗涤剂混合物或这些酸的适当盐和衍生物溶解在蒸馏水中或在0.9%氯化钠水溶液中, 适当的保存剂和/或在任意添加的pH范围为7〜9的有效缓冲液中,将一定精确定量的胆固醇溶于所得溶液中,同时搅拌并升温至40〜60℃ C。