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1. 发明授权

US06274279B1 Preparations of bacteriorhodopsin variants having increased memory time, and their use 失效
标题翻译：具有增加的记忆时间的细菌视紫红质变体的制备及其用途
公开(公告)号：US06274279B1
公开(公告)日：2001-08-14
申请号：US08381839
申请日：1995-02-03
申请人： Norbert Hampp , Andreas Popp , Dieter Oesterhelt , Christoph Bräuchle
发明人： Norbert Hampp , Andreas Popp , Dieter Oesterhelt , Christoph Bräuchle
IPC分类号： G03H118
CPC分类号： G11B7/244 , Y10S430/146
摘要： Compositions of bacteriorhodopsin variants with increased memory time and their use for reversible optical information recording are disclosed. The compositions are characterized in that the configuration of the retinal of the photoproduct is different from the configuration of the retinal of the initial state and other than 13-cis; the pH value of the composition lies between 3 and 11; the water content of the composition lies between 1 and 30% by weight with respect to the total weight of the composition; and additives for modulating the proton mobility are present in a concentration between 1 and 80% by weight of the mass of purple membrane composition used, and if required matrix materials in a concentration of up to 10% by weight with respect to the total weight of the composition are present. These compositions may be used in reversible information recording systems.
摘要翻译：公开了具有增加的记忆时间的细菌视紫红质变体及其可逆光学信息记录的用途的组合物。组合物的特征在于光产物的视网膜的构型不同于初始状态的视网膜的构型，而不是13-顺式; 组合物的pH值在3和11之间; 组合物的含水量相对于组合物的总重量为1至30重量％; 并且用于调节质子迁移率的添加剂以所使用的紫色膜组合物的质量的1至80重量％的浓度存在，并且如果需要，基质材料的浓度高达10重量％该组合物存在。这些组合物可用于可逆信息记录系统。

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