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    • 3. 发明申请
    • PARTICLES AND OTHER SUBSTRATES USEFUL IN PROTEIN PURIFICATION AND OTHER APPLICATIONS
    • 用于蛋白质纯化和其他应用的颗粒和其他基质
    • WO2012116001A2
    • 2012-08-30
    • PCT/US2012/026008
    • 2012-02-22
    • CHILDREN'S MEDICAL CENTER CORPORATIONMASSACHUSETTS INSTITUTE OF TECHNOLOGYMIZRAHI, BoazKOHANE, Daniel S.
    • MIZRAHI, BoazKOHANE, Daniel S.
    • C08L33/18C08L33/26C08L33/08C08K3/08G01N33/545
    • C07K1/22B01J20/3265C07K14/435C08F220/06C08F220/56C08F220/60C08F222/385C08K5/175G01N33/545Y10T428/2982
    • The present invention generally relates to particles, including microgel particles, for purifying proteins and other species. In one aspect, the particles comprise a metal-chelating moiety, which may be distributed substantially evenly throughout the particle in certain embodiments. In some cases, the particles may be porous, and in some embodiments, the particles may be made sufficiently small, for example, in order to form a microgel containing the particles. Such particles may be useful, for example, in binding metal ions (for example, nickel ions) using the metal-chelating moieties. In some embodiments, such particles may also be used to bind certain analytes (for example, proteins) containing tags which attract metal ions, for example, histidine tags. Accordingly, in certain embodiments, the particles may be used for binding or trapping proteins. In some cases, this process is reversible; for example, upon exposure of the particles to a histidine competitor, proteins or other analytes containing the histidine tags may be released form the particles. Other aspects of the invention are generally directed to methods of using such particles, methods of forming such particles, kits including such particles, or the like.
    • 本发明一般涉及用于纯化蛋白质和其他物种的颗粒,包括微凝胶颗粒。 在一个方面,颗粒包含金属螯合部分,在某些实施方案中,其可以基本均匀地分布在整个颗粒中。 在一些情况下,颗粒可以是多孔的,并且在一些实施方案中,例如,为了形成含有颗粒的微凝胶,可以使颗粒足够小。 这种颗粒可用于例如使用金属螯合部分结合金属离子(例如镍离子)。 在一些实施方案中,这些颗粒也可用于结合含有吸引金属离子的标签的某些分析物(例如蛋白质),例如组氨酸标签。 因此,在某些实施方案中,这些颗粒可以用于结合或捕获蛋白质。 在某些情况下,这个过程是可逆的; 例如,当颗粒暴露于组氨酸竞争剂时,含有组氨酸标签的蛋白质或其他分析物可从颗粒释放。 本发明的其它方面通常涉及使用这样的颗粒的方法,形成这样的颗粒的方法,包括这样的颗粒的试剂盒等。
    • 6. 发明申请
    • TRIPLET-TRIPLET ANNIHILATION-BASED UPCONVERSION
    • 基于TRIPLET-TRIPLET ANNIHILATION的UPCONVERSION
    • WO2017004310A1
    • 2017-01-05
    • PCT/US2016/040271
    • 2016-06-30
    • CHILDREN'S MEDICAL CENTER CORPORATION
    • KOHANE, Daniel S.WANG, WeipingLIU, Qian
    • A61K41/00A61K47/48A61K47/30A61K9/00A61K31/573A61K31/704
    • A61K31/704A61K31/409A61K31/4745A61K31/573A61K31/661A61K41/0038A61K47/64A61K47/6937A61K2300/00
    • The present invention generally relates to various photoreactions, including reactions generally based on triplet-triplet annihilation upconversion. One aspect of the present invention is directed to systems and methods for absorbing energy (e.g., from a photon) in a photosensitizer, transferring that energy by triplet-triplet energy transfer to an annihilator to produce a higher energy state via upconversion, then transferring that energy to cleave a cleavable or other active moiety, for instance, in order to cause the release of a releasable moiety. The energy may be transferred to the moiety via Forster resonance energy transfer. In some cases, these may be contained within a suitable carrier material, for example, a particle or a micelle. Such systems and methods may be used in a variety of applications, including various biological or physical applications. For example, such systems and methods may be useful for delivering drugs or other releasable moieties to regions of the body which may be affected by too much light, such as the eye. Other aspects of the present invention are generally directed to methods for making or using such systems, kits including such systems, or the like.
    • 本发明通常涉及各种光反应,包括通常基于三重态三重态湮灭向上转换的反应。 本发明的一个方面涉及用于吸收光敏剂中的能量(例如,从光子)的系统和方法,通过三重态三重态能量传递将能量传递到湮灭器,以通过上变频产生更高的能量状态,然后将该 以切割可切割或其它活性部分的能量,例如为了引起可释放部分的释放。 能量可以通过福斯特共振能量转移转移到该部分。 在一些情况下,这些可以包含在合适的载体材料,例如颗粒或胶束中。 这样的系统和方法可以用于各种应用中,包括各种生物或物理应用。 例如,这样的系统和方法可用于将药物或其它可释放部分递送到可能受太多光如眼睛影响的身体的区域。 本发明的其它方面一般涉及用于制造或使用这种系统的方法,包括这种系统的套件等。