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    • 6. 发明授权
    • Lipophilic quenching of viral inactivating agents
    • 病毒灭活剂的亲脂性猝灭
    • US06617101B1
    • 2003-09-09
    • US09656243
    • 2000-09-06
    • Clark M. EdsonAndrei A. PurmalSamuel K. Ackerman
    • Clark M. EdsonAndrei A. PurmalSamuel K. Ackerman
    • A01N102
    • C12N7/00C12N2700/00C12Q2549/125
    • Methods and compositions for the inactivation and removal of contaminants of a biological composition are disclosed. The methods include the steps of: (a) contacting the biological composition with an inactivating agent including an aziridino moiety, such as ethyleneimine, an oligomer of ethyleneimine, or a haloderivative salt of either ethyleneimine or an oligomer of ethyleneimine, where a portion of the agent reacts with and inactivates the contaminant, and a portion of the agent remains unreacted; (b) contacting the product of step (a) with a lipophilic quenching agent including at least one quenching moiety attached to a lipophilic moiety, under conditions and for a time sufficient to allow the unreacted agent to bond covalently to the quenching moiety; and (c) separating the lipophilic quenching agent and the quenched inactivating agent from the biological composition.
    • 公开了用于灭活和去除生物组合物污染物的方法和组合物。 所述方法包括以下步骤:(a)使生物组合物与灭活剂接触,所述灭活剂包括氮丙啶基部分,例如乙烯亚胺,乙烯亚胺的低聚物,乙烯亚胺或乙烯亚胺的低聚物的卤化还原盐,其中一部分 药剂与污染物反应并灭活,并且一部分药剂保持未反应; (b)在足以允许未反应的试剂共价键合到猝灭部分的条件下和足够长的时间使步骤(a)的产物与包含至少一个与亲油部分连接的猝灭部分的亲脂性猝灭剂接触; 和(c)从生物组合物中分离亲脂性猝灭剂和淬灭的灭活剂。
    • 8. 发明授权
    • Solid phase quenching systems
    • 固相淬火系统
    • US06720136B2
    • 2004-04-13
    • US10166898
    • 2002-06-11
    • Andrei A. PurmalSamuel K. Ackerman
    • Andrei A. PurmalSamuel K. Ackerman
    • C12N706
    • C07F9/1651A01N1/0205A01N1/0215A01N1/0278A61K35/14A61K35/16A61M1/3687
    • Methods of inactivating contaminants of a biological matrix are disclosed. The methods include the steps of: (a) contacting a biological matrix with an inactivating agent including an aziridino moiety, where a portion of the agent reacts with and inactivates the contaminant, and a portion of the agent remains unreacted; (b) contacting the product of step (a) with a solid support including at least 1 quenching moiety attached to the solid support through covalent bonds, under conditions and for a time sufficient to allow the unreacted agent to bond covalently to the quenching moiety; and (c) separating the solid support and the unreacted agent from the biological matrix, where the unreacted agent is attached to the solid support through covalent bonds.
    • 公开了灭活生物基质污染物的方法。 所述方法包括以下步骤:(a)使生物基质与包含氮丙啶基部分的灭活剂接触,其中所述试剂的一部分与污染物反应并灭活,并且所述试剂的一部分保持未反应; (b)在足以允许未反应的试剂共价键合到猝灭部分的条件下和足以使未反应的试剂共价键合的步骤(a)的产物与包含至少1个通过共价键连接至固体支持物的猝灭部分的固体支持物接触; 和(c)将固体载体和未反应的试剂从生物基质中分离,其中未反应的试剂通过共价键连接到固体支持物上。