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    • 3. 发明授权
    • Device and method for magnetic separation of biological molecules
    • 用于分离生物分子的装置和方法
    • US6126835A
    • 2000-10-03
    • US240811
    • 1999-02-01
    • Emilio Barbera-GuillemMarlin O. Thurston
    • Emilio Barbera-GuillemMarlin O. Thurston
    • B01D35/06B03C1/00B03C1/28C12N13/00G01N33/543
    • A61M1/0056B03C1/0332B03C1/288B03C2201/18B03C2201/22Y10S435/803Y10S436/824
    • Provided is a magnetic separation device comprising a container having one or more outer surfaces; at least one magnetic sheet; and a physical coupler that is used to detachably secure the container to the magnetic sheet. A method of using the magnetic separation device according to the present invention comprises obtaining a fluid containing a mixed population of biological molecules, from which it is desired to separate at least one subpopulation of biological molecules; mixing the fluid with a magnetic separation reagent; contacting the mixture with the fluid holding chamber of the magnetic separation device; incubating the mixture for a sufficient time to allow for complexes to form between the subpopulation of biological molecules and the magnetic separation reagent; positioning the magnetic separation device in a position that magnetically attracts the complexes towards the magnetic sheet, and thereby holds them in position in the container; and removing the remainder of the fluid from the magnetic separation device.
    • 提供一种磁分离装置,其包括具有一个或多个外表面的容器; 至少一个磁性片; 以及用于将容器可拆卸地固定到磁性片的物理耦合器。 使用根据本发明的磁分离装置的方法包括获得含有生物分子的混合群体的流体,期望从其分离至少一个生物分子亚群; 将流体与磁性分离试剂混合; 使混合物与磁选机的流体保持室接触; 将混合物温育足够的时间以允许在生物分子的亚群与磁分离试剂之间形成复合物; 将磁分离装置定位在磁性吸引复合体朝向磁性片的位置,从而将它们保持在容器中的适当位置; 以及从磁分离装置中除去剩余的流体。
    • 5. 发明申请
    • Method for ex vivo loading of antigen presenting cells with antigen, and a vaccine comprising the loaded cells
    • 抗原呈递细胞用抗原体外负载的方法,以及包含负载细胞的疫苗
    • US20020155108A1
    • 2002-10-24
    • US10118379
    • 2002-04-08
    • BioCrystal, Ltd.
    • Emilio Barbera-Guillem
    • A61K039/395C12N005/08
    • A61K39/0011A61K2039/505A61K2039/5154
    • Provided is a method for loading dendritic cells ex vivo which utilizes immune complex-mediated uptake of a soluble antigen by dendritic cells. The method involves coculturing target cells in the presence of, but not in physical contact with, expanded dendritic cells. Added to the coculture is human antibody against the soluble antigen(s), resulting in formation of immune complexes. The immune complexes bind to, and are uptaken by, the expanded dendritic cells; and with subsequent processing of the antigen into peptides, the peptide is presented as part of a peptide-MHC complex on the dendritic cell surface. The method of the present invention allows for dendritic cell presentation by MHCI and/or MHCII complexes, depending on the nature of the one or more antigens. Additionally, disclosed is a vaccine which comprises autologous dendritic cells loaded according to the method of the present invention, and autologous, irradiated, DNP-conjugated tumor cells; and a method of vaccinating an individual comprising administering the vaccine to the individual.
    • 提供了一种离体负载树突状细胞的方法,其利用免疫复合物介导的树突状细胞对可溶性抗原的摄取。 该方法涉及在扩增的树突状细胞存在但不与物理接触的情况下共培养靶细胞。 加入共培养物是针对可溶性抗原的人抗体,导致形成免疫复合物。 免疫复合物与扩增的树突状细胞结合并被吸收; 并且随后将抗原处理成肽,肽作为树突状细胞表面上的肽-MHC复合物的一部分存在。 根据本发明的一种或多种抗原的性质,本发明的方法允许由MHCI和/或MHCII复合物呈递树突状细胞。 此外,公开了一种疫苗,其包含根据本发明的方法负载的自体树突状细胞和自体照射的DNP缀合的肿瘤细胞; 以及接种个体的方法,包括向个体施用疫苗。
    • 6. 发明授权
    • Functionalized nanocrystals and their use in detection systems
    • 功能化纳米晶体及其在检测系统中的应用
    • US6114038A
    • 2000-09-05
    • US372729
    • 1999-08-11
    • Stephanie L. CastroEmilio Barbera-Guillem
    • Stephanie L. CastroEmilio Barbera-Guillem
    • A61K49/00B05D7/00B32B9/00B32B9/04H01L29/04
    • B82Y30/00B82Y10/00B82Y5/00Y10T428/2989Y10T428/2993
    • Provided are compositions comprising water-soluble, functionalized nanocrystals. The water-soluble functionalized nanocrystals comprise quantum dots capped with a layer of a capping compound, and further comprise, by operably linking and in a successive manner, one or more additional compounds. The one or more additional compounds is comprised of at least a diaminocarboxylic acid which is operatively linked to the capping compound, and may further comprise an amino acid, an affinity ligand, or a combination thereof. Also provided are methods of using the functionalized nanocrystals having an affinity ligand to detect the presence or absence of a target substrate in a sample. The method comprises contacting the functionalized nanocrystals with the sample so that complexes are formed between the functionalized nanocrystals and substrate, if the substrate is present; exposing the complexes in the detection system to a wavelength of light suitable for exciting the functionalized nanocrystals of the complexes to emit a luminescence peak; and detecting the emitted luminescence peak.
    • 提供了包含水溶性官能化纳米晶体的组合物。 水溶性官能化纳米晶体包括用封端化合物层覆盖的量子点,并且还通过可操作地连接并以连续的方式包含一种或多种另外的化合物。 一种或多种另外的化合物由至少一种与封端化合物有效连接的二氨基羧酸组成,并且还可包含氨基酸,亲和配体或其组合。 还提供了使用具有亲和配体的功能化纳米晶体来检测样品中目标底物的存在或不存在的方法。 该方法包括使官能化的纳米晶体与样品接触,使得如果存在底物,则在官能化的纳米晶体和衬底之间形成复合物; 将检测系统中的复合物暴露于适于激发复合物的官能化纳米晶体的光的波长以发射发光峰; 并检测发射的发光峰。
    • 9. 发明授权
    • Device and method for magnetic separation of biological molecules
    • 用于分离生物分子的装置和方法
    • US6110380A
    • 2000-08-29
    • US79469
    • 1998-05-15
    • Emilio Barbera-Guillem
    • Emilio Barbera-Guillem
    • B01D35/06B03C1/00C12N13/00
    • B03C1/01B03C1/288B03C2201/18B03C2201/26Y10S435/803Y10S436/824
    • Provided is a magnetic separation device comprising a container having one or more outer surfaces; at least one flexible magnetic sheet; and a non-permanent adhesive that is used to detachably secure an outer surface of the container to a flexible magnetic sheet. A method of using the magnetic separation device according to the present invention comprises obtaining a fluid containing a mixed population of biological molecules, from which it is desired to separate at least one subpopulation of biological molecules; mixing the fluid with a magnetic separation reagent; contacting the mixture with the fluid holding chamber of the magnetic separation device; incubating the mixture for a sufficient time to allow for complexes to form between the subpopulation of biological molecules and the magnetic separation reagent; positioning the magnetic separation device in a position that magnetically attracts the complexes towards the flexible magnetic sheet, and thereby holds them in position in the container; and removing the remainder of the fluid from the magnetic separation device.
    • 提供一种磁分离装置,其包括具有一个或多个外表面的容器; 至少一个柔性磁性片; 以及用于将容器的外表面可拆卸地固定到柔性磁性片的非永久性粘合剂。 使用根据本发明的磁分离装置的方法包括获得含有生物分子的混合群体的流体,期望从其分离至少一个生物分子亚群; 将流体与磁性分离试剂混合; 使混合物与磁选机的流体保持室接触; 将混合物温育足够的时间以允许在生物分子的亚群与磁分离试剂之间形成复合物; 将磁分离装置定位在磁性吸引复合物朝向柔性磁性片的位置,从而将其保持在容器中的适当位置; 以及从磁分离装置中除去剩余的流体。