Method for the removal of virus from a protein solution

    公开(公告)号:US09676817B2

    公开(公告)日:2017-06-13

    申请号:US14364928

    申请日:2012-12-19

    Applicant: Novozymes A/S

    CPC classification number: C07K1/30 A61L2/0011

    Abstract: The author attempted and succeeded in separating and purifying the cysteine protease inhibitors from new gingers. The root and stem of new gingers were extracted with neutral buffer which subsequently underwent heat treatment at 80° C. for 10 minutes. After centrifugal separation, the supernatant was separated with acetone. The fractions that precipitated at an acetone concentration of 55-77% were injected into a chromatographic column of DEAE-cellulose and Sephadex G-75 gel for purification. The results demonstrated that there were two cysteine protease inhibitors with a molecular weight of 11,000-11,800 and 15,500-16,000, respectively, which strongly inhibit papain. The two cysteine protease inhibitors do not have high heat stability.

    METHOD FOR REMOVAL OF DNA
    4.
    发明申请
    METHOD FOR REMOVAL OF DNA 审中-公开
    去除DNA的方法

    公开(公告)号:US20150291656A1

    公开(公告)日:2015-10-15

    申请号:US14438766

    申请日:2013-11-01

    Applicant: NOVOZYMES A/S

    CPC classification number: C07K1/30 C07K1/14 C12N15/1003

    Abstract: A method for removing residual DNA from a fermentation broth comprising a protein of interest and a microorganism producing the protein of interest, said method comprising: a) adding a poly aluminium chloride to the fermentation broth, and b) separating the flocculated microorganism from the fermentation broth.

    Abstract translation: 一种从包含感兴趣的蛋白质和产生目标蛋白质的微生物的发酵液中除去残留DNA的方法,所述方法包括:a)向发酵液中加入聚氯化铝,和b)将絮凝的微生物与发酵物分离 肉汤。

    Method for the Removal of Virus From a Protein Solution
    6.
    发明申请
    Method for the Removal of Virus From a Protein Solution 有权
    从蛋白质溶液中去除病毒的方法

    公开(公告)号:US20140335594A1

    公开(公告)日:2014-11-13

    申请号:US14364928

    申请日:2012-12-19

    Applicant: Novozymes A/S

    CPC classification number: C07K1/30 A61L2/0011

    Abstract: The present invention relates to a method for selectively removing virus and/or virus DNA from a solution comprising a target protein, whereby acetone is used as a precipitation agent to precipitate virus and/or virus DNA as well as the target protein.

    Abstract translation: 本发明涉及一种从包含靶蛋白的溶液中选择性除去病毒和/或病毒DNA的方法,其中使用丙酮作为沉淀剂沉淀病毒和/或病毒DNA以及靶蛋白。

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