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    • 93. 发明申请
    • METHOD FOR PRODUCING REGULAR POROUS CELLULOSE PEARLS, CORRESPONDING CELLULOSE PEARLS AND USE THEREOF
    • 制备定期多孔细胞的方法,细胞周期蛋白及其使用
    • WO99031141A2
    • 1999-06-24
    • PCT/DE1998/003657
    • 1998-12-09
    • A61K31/717A61P17/02B01D15/08B01J2/06C08B1/00C08B16/00C08J3/14C08J3/16C08J9/16C08J9/28G01N33/548C08B
    • C08J9/16B01D15/08B01J2/06C08B1/003C08B16/00C08J3/14C08J3/16C08J9/28C08J2301/02G01N33/548
    • The invention relates to a method for producing regular porous pearls of cellulose with a particle size of 2 to 1000 mu m, comprising the following steps: a) a cellulose with a degree of polymerisation of 150 to 2000 is dissolved in a solvent to form a 0.5 to 25 mass % solution, b) the cellulose solution is reduced to fine particles and dispersed in a dispersion agent which does not mix with the cellulose solution and which has a degree of viscosity of 10 to 8000 mPa.s, c) the disperse particles of the solution are solidified into regular pearl particles 1) after the dispersion has been cooled to below the melting temperature of the cellulose solution and the hardened particles of cellulose solution have been separated from the dispersion agent or 2) directly in the solution by precipitation with a precipitating agent which mixes with the solvent, and d) the pearl particles are separated from the liquid mixture of the solvent, the precipitating agent and optionally, the dispersing agent.
    • 一种用于与颗粒尺寸范围生产规则多孔珍珠纤维素从2至1000微米,其包括a)将具有在150至2000溶解在溶剂中的范围内的聚合度的质量溶液中以形成0.5〜25%的纤维素处理 ,b)精细分割的纤维素溶液和可混溶于一个与它分散在范围内的粘度为10至80,000毫帕·秒冷却所述分散液低于纤维素溶液的熔融温度和分离后具有分散剂,c)该分散液中的粒子1) 固化Celluloselösungsteilchen分散剂或2)直接在分散体与用所述溶剂液体沉淀剂定期Perlteilchen,和d混溶的溶剂凝固通过沉淀)从溶剂的液体混合物中分离出Perlteilchen,沉淀剂和可能的。分散剂。
    • 95. 发明申请
    • A METHOD AND COMPOSITION FOR CANCER TREATMENT BY ENZYMATIC CONVERSION OF SOLUBLE RADIOACTIVE TOXIC AGENTS
    • 通过可溶性放射性毒性剂的酶转化进行癌症治疗的方法和组合物
    • WO98030247A1
    • 1998-07-16
    • PCT/US1998/000511
    • 1998-01-13
    • A61K45/00A61K31/717A61K31/722A61K31/74A61K38/00A61K49/00A61K51/04A61P35/00C07K16/00A61K51/00A61M36/14
    • A61K51/0497A61K2039/505C07K2317/31Y02P20/582
    • A method for the treatment of cancer is disclosed which is capable of directing supralethal doses of radiation, called Hot-Spots, virtually exclusively to the cancer. The present invention involves a multi-step therapy process and includes a class of novel chemical agents. In accordance with the present invention, it was discovered that soluble precipitable materials can be made to accumulate as non-digestible precipitates in targeted cells as a result of enzyme action within the targeted cells. Accumulation is achieved by administering to the living host a soluble binary reagent made by attaching a targeting agent to a novel chemical agent which is a soluble precipitable material. The binary reagent binds to antigenic receptors on targeted cells which endocytose binary reagent and transport it into the lysosomes where enzymes detach the soluble precipitable material from the targeting agent, causing it to precipitate, accumulate, and be retained in the cells. Increasing amounts of precipitate can be made to accumulate in cells by continuing the administration of the binary reagent. The accumulated precipitate is relocated to the extra-cellular fluid by selectively killing a fraction of cancer cells. Now relocated in the extra-cellular fluid of the cancer, the precipitate is used as a "platform" from which to generate Hot-Spots. A bispecific reagent with a non-mammalian enzyme moiety is made to bind to the precipitate. A soluble radioactive material is administered which is converted by the enzyme moiety of the bound bispecific reagent into a new form which is retained adjacent to the precipitate for an extended period of time, thereby generating Hot-Spots which non-selectively kill all cells adjacent to the precipitate in the extra-cellular fluid of the cancer.
    • 公开了一种治疗癌症的方法,其能够将超临界剂量的辐射(称为热点)几乎专门用于癌症。 本发明涉及多步骤治疗方法并且包括一类新型化学试剂。 根据本发明,发现可溶性沉淀物质作为目标细胞中的酶作用的结果,可以在靶细胞中作为不可消化的沉淀物积累。 通过向活体宿主施用通过将靶向剂附着到作为可溶性可沉淀材料的新型化学试剂而制备的可溶性二元试剂来实现累积。 二元试剂结合靶向细胞上的抗原受体,其内吞胞外二元试剂并将其转运到溶酶体中,其中酶将可溶性可沉淀物质从靶向剂中分离出来,导致其沉淀,积聚并保留在细胞中。 通过继续施用二元试剂,可以增加沉淀物的积累量。 通过选择性地杀死一部分癌细胞,将累积的沉淀物重新定位到细胞外液体。 现在迁移到细胞外的细胞液中,沉淀物被用作产生热点的“平台”。 使具有非哺乳动物酶部分的双特异性试剂与沉淀物结合。 施用可溶性放射性物质,其由结合的双特异性试剂的酶部分转化为与沉淀物相邻保留较长时间段的新形式,从而产生热点,其不选择性地杀死所有细胞 癌细胞中细胞液中的沉淀。