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    • 17. 发明授权
    • Biological compositions containing quenchers of type I and type II photodynamic reactions
    • 含有I型和II型光动力学反应猝灭剂的生物组合物
    • US06214534B1
    • 2001-04-10
    • US08653218
    • 1996-05-24
    • Bernard HorowitzBolanle WilliamsHenrietta Margolis-NunnoSing N. Chin
    • Bernard HorowitzBolanle WilliamsHenrietta Margolis-NunnoSing N. Chin
    • A01N102
    • A61K41/0019A61K41/0023A61K41/0038A61K41/0066A61K41/0071A61L2/0011C12N7/00C12N2760/10163C12N2760/20263
    • The present invention concerns the product produced by inactivating extracellular or intracellular pathogenic virus in a biological composition without incurring substantial disruption or inactivation of cells and without significant loss of labile proteins or other valuable biological components also contained therein, the inactivation process comprising subjecting said composition to a virucidally effective amount of irradiation in the presence of (a) a mixture of a compound that quenches type I photodynamic reactions and a compound that quenches type II photodynamic reactions or (b) a bifunctional compound that is capable of quenching both type I and type II reactions, to thereby inactivate said virus while retaining functionality of said composition. The composition is advantageously subjected to the irradiation and the mixture of compounds or bifunctional compound in the presence of an irradiation sensitizer. Moreover, the process can be advantageously combined with a different virucidal method to enhance virus inactivation.
    • 本发明涉及通过在生物组合物中灭活细胞外或细胞内病原体病毒而产生的产物,而不会导致细胞的实质性破坏或灭活,并且没有不稳定的蛋白质或其中还含有的其它有价值的生物成分的显着损失,所述灭活过程包括将所述组合物 在(a)猝灭I型光动力学反应的化合物和猝灭II型光动力学反应的化合物的混合物存在下的杀病毒有效量的照射或(b)能够淬灭I型和类型的双官能化合物 II反应,从而使所述病毒灭活同时保留所述组合物的功能。 组合物有利地在照射敏化剂的存在下进行照射和化合物或双官能化合物的混合物。 此外,该方法可以有利地与不同的杀病毒方法组合以增强病毒灭活。