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    • 23. 发明授权
    • Polymer coated ceria nanoparticles for selective cytoprotection
    • 用于选择性细胞保护的聚合物包被的二氧化铈纳米颗粒
    • US09119391B1
    • 2015-09-01
    • US12169179
    • 2008-07-08
    • Jesus Manuel PerezAtul AsatiSudip NathCharalambos Kaittanis
    • Jesus Manuel PerezAtul AsatiSudip NathCharalambos Kaittanis
    • A01N59/16A61K9/14A01N1/02
    • A01N1/02A61K9/5161A61K33/00
    • Methods, systems and compositions are disclosed wherein normal, non-transformed, healthy biological cells are protected from oxidative stress, radiation therapy and chemotherapy while diseased, transformed cells, such as, cancer cells, are provided no protection by the biocompatible, polymer coated nanoceria composition of the present invention. The polymer-coated nanoceria preparation herein exhibits no toxicity to normal cells and exhibits pH-dependent antioxidant properties at neutral or physiological pH values, between approximately 6.5 to approximately 11.0 and is inactive as an antioxidant at acidic pH values between approximately 2.0 to approximately 6.4. Improved therapeutic agents and cytoprotecting devices are based on the newly discovered, pH dependent properties of polymer-coated nanoceria that provide selective cytoprotection.
    • 公开了方法,系统和组合物,其中正常的,未转化的,健康的生物细胞免受氧化应激,放射疗法和化学疗法,而患病的转化细胞,例如癌细胞,不提供生物相容的聚合物包被的纳米囊的保护 本发明的组合物。 本文所述的聚合物包被的纳米制品在正常细胞中没有毒性,并且在中性或生理学pH值(约6.5至约11.0之间)具有pH依赖性抗氧化剂性质,并且在约2.0至约6.4之间的酸性pH值下作为抗氧化剂无活性。 改进的治疗剂和细胞保护装置基于提供选择性细胞保护的聚合物包被的纳米囊的新发现的pH依赖性质。
    • 25. 发明申请
    • SYSTEMS AND METHODS FOR CRYOPRESERVATION OF CELLS
    • 用于细胞再生的系统和方法
    • US20150140650A1
    • 2015-05-21
    • US14592184
    • 2015-01-08
    • Cook General Biotechnology LLC
    • Erik John WoodsJohn K. Critser
    • A01N1/02
    • A01N1/0231A01N1/02A01N1/0268
    • An auto-nucleating device includes a tube containing a crystalline cholesterol matrix. The ends of the tube are closed by a membrane that is impermeable to the cholesterol but permeable to liquids contained in a cryopreservation vessel. The auto-nucleating device provides a site for ice nucleation during freezing of the liquid within the vessel. One such cryopreservation vessel is a flexible vial having a closed port at one adapted to be pierced by a needle to withdraw the liquid within, and an opposite end that is initially open to receive the liquid. Another vessel includes an adaptor mounted to liquid container with a tubular branch closed by a needle septum and another tubular branch provided with a barbed fitting for engaging a flexible tube that terminates in a needle septum. In another embodiment, the vessel includes an inlet and vent branch at the top of the container and an outlet septum at a bottom opening.
    • 自动成核装置包括含有结晶胆固醇基质的管。 管的端部由对胆固醇不渗透但对包含在冷冻保存容器中的液体可渗透的膜封闭。 自动成核装置在容器内的液体冷冻期间提供冰成核的部位。 一个这样的冷冻保存容器是柔性小瓶,其具有适于被针刺穿的一个封闭端口,以将液体抽出,并且最初打开以接收液体的相对端。 另一个容器包括一个安装到液体容器上的适配器,其中一个管状分支被一个针隔膜封闭,另一个管状分支设有一个带倒钩的配件,用于接合终止于针间隔的柔性管。 在另一个实施例中,容器在容器的顶部包括入口和通气分支以及底部开口处的出口隔膜。
    • 28. 发明授权
    • Apparatus and method for maintaining and/or restoring viability of organs
    • 用于维持和/或恢复器官活力的装置和方法
    • US08962303B2
    • 2015-02-24
    • US13137385
    • 2011-08-10
    • Donald R. OwenDavid C. KravitzJohn BrassilKelvin G. M. BrockbankAndrew BurroughsDickon IsaacsDouglas Schein
    • Donald R. OwenDavid C. KravitzJohn BrassilKelvin G. M. BrockbankAndrew BurroughsDickon IsaacsDouglas Schein
    • A01N1/02
    • G06F17/30876A01N1/02A01N1/0247A01N1/0273H04L67/02
    • An organ perfusion apparatus and method monitor, sustain and/or restore viability of organs and preserve organs for storage and/or transport. Other apparatus include an organ transporter, an organ cassette and an organ diagnostic device. In perfusion, organ perfusion pressure is preferably controlled in response to a sensor disposed in an end of tubing placed in the organ, by a pneumatically pressurized medical fluid reservoir, providing perfusion pressure fine tuning, overpressurization prevention and emergency flow cut-off. In the hypothermic mode, the organ is perfused with a medical fluid, preferably a simple crystalloid solution containing antioxidants, intermittently or in slow continuous flow. The medical fluid may be fed into the organ from an intermediary tank having a low pressure head to avoid organ overpressurization. Viability of the organ may be automatically monitored, preferably by monitoring characteristics of the medical fluid perfusate. The perfusion process can be automatically controlled using a control program.
    • 器官灌注装置和方法监测,维持和/或恢复器官的活力并保存器官用于储存和/或运输。 其他装置包括器官输送器,器官盒和器官诊断装置。 在灌注中,器官灌注压力优选地响应于设置在置于器官中的管的末端中的传感器,通过气动加压的医用液体储存器进行控制,提供灌注压力微调,超压预防和紧急流量截止。 在低体温模式中,器官用液体灌注,优选地是含有抗氧化剂的简单晶体溶液,间歇地或以缓慢的连续流动。 可以从具有低压头的中间容器将药液输送到器官中,以避免器官过压。 可以自动监测器官的活力,优选通过监测医用流体灌注液的特性。 可以使用控制程序自动控制灌注过程。