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    • 1. 发明授权
    • Ultrasonically generated paramagnetic polymer particles
    • 超声波生成顺磁聚合物颗粒
    • US06682660B2
    • 2004-01-27
    • US10143903
    • 2002-05-14
    • Irving SucholeikiNak-Ho SungJun Young Lee
    • Irving SucholeikiNak-Ho SungJun Young Lee
    • H01F100
    • C08K3/22Y10T428/2991Y10T428/2998
    • A composite paramagnetic particle and method of making are provided. In one aspect of the invention, a particle comprising a multitude of submicron polymer bead aggregates covalently cross-linked to each other to form larger diameter particles is presented. Distributed throughout the composite paramagnetic particle are vacuous cavities. Each submicron polymer bead has distributed throughout its interior and surface submicron magnetite crystals. In another aspect of the invention, composite particles are made using high energy ultrasound during polymerization of one or more vinyl monomers. In one embodiment, high energy ultrasound is used during an emulsification step and during the early stages of the polymerization process to produce micron sized composite paramagnetic particles. The particles according to the invention exhibit a high percent magnetite incorporation and water and organic solvent stability.
    • 提供复合顺磁性粒子及其制造方法。 在本发明的一个方面,提供了包含彼此共价交联以形成更大直径的颗粒的大量亚微米聚合物珠聚集体的颗粒。 分布在整个复合顺磁颗粒中的是空泡。 每个亚微米聚合物珠分布在其内部和表面亚微米磁铁矿晶体。 在本发明的另一方面,在一种或多种乙烯基单体的聚合过程中,使用高能超声波制备复合颗粒。 在一个实施方案中,在乳化步骤期间和在聚合过程的早期阶段使用高能超声波以产生微米级的复合顺磁性颗粒。 根据本发明的颗粒表现出高百分比的磁铁矿掺入和水和有机溶剂的稳定性。
    • 2. 发明授权
    • Ultrasonically generated paramagnetic polymer particles
    • 超声波生成顺磁聚合物颗粒
    • US06423410B1
    • 2002-07-23
    • US09365506
    • 1999-08-02
    • Irving SucholeikiNak-Ho SungJun Young Lee
    • Irving SucholeikiNak-Ho SungJun Young Lee
    • B32B516
    • C08K3/22Y10T428/2991Y10T428/2998
    • A composite paramagnetic particle and method of making are provided. In one aspect of the invention, a particle comprising a multitude of submicron polymer bead aggregates covalently cross-linked to each other to form larger diameter particles is presented. Distributed throughout the composite paramagnetic particle are vacuous cavities. Each submicron polymer bead has distributed throughout its interior and surface submicron magnetite crystals. In another aspect of the invention, composite particles are made using high energy ultrasound during polymerization of one or more vinyl monomers. In one embodiment, high energy ultrasound is used during an emulsification step and during the early stages of the polymerization process to produce micron sized composite paramagnetic particles. The particles according to the invention exhibit a high percent magnetite incorporation and water and organic solvent stability.
    • 提供复合顺磁性粒子及其制造方法。 在本发明的一个方面,提供了包含彼此共价交联以形成更大直径的颗粒的大量亚微米聚合物珠聚集体的颗粒。 分布在整个复合顺磁颗粒中的是空泡。 每个亚微米聚合物珠分布在其内部和表面亚微米磁铁矿晶体。 在本发明的另一方面,在一种或多种乙烯基单体的聚合过程中,使用高能超声波制备复合颗粒。 在一个实施方案中,在乳化步骤期间和在聚合过程的早期阶段使用高能超声波以产生微米级的复合顺磁性颗粒。 根据本发明的颗粒表现出高百分比的磁铁矿掺入和水和有机溶剂的稳定性。
    • 7. 发明授权
    • Paramagnetic scintillation particles and assay
    • 顺磁闪烁颗粒和测定
    • US5750412A
    • 1998-05-12
    • US699796
    • 1996-08-19
    • Irving Sucholeiki
    • Irving Sucholeiki
    • G01N33/543G01N33/58G01N33/60G01N33/553G01N33/542G01N33/546
    • G01N33/58G01N33/54333G01N33/60Y10S436/808
    • An immunoscintillating composition and method of radioimmunoassay is disclosed whereby polymer coated paramagnetic particles and binding agent such as an antibody are associated by chemical or physical means to provide solid scintillating immunoadsorbent particles which are paramagnetic. These particles are capable of selectively binding or retaining radioactive or labeled antigens or ligands and transmitting radioactive energy to a phosphor or photon emitting substance that is bound by chemical or physical means to the particles. Upon binding of the antigens or ligands to the surface of the particles the particles are separated from the unbound components in solution by application of a magnetic field. The luminescence emitted by the phosphor which is attached to the magnetically separated particles is measured by a scintillator counter and is directly proportional to the radioactive energy released by the labeled antigen bound to the antibody. Upon completion of the measurement the paramagnetic particles can be magnetically separated and the labeled antigens or ligands removed for further analysis and the particles recycled for use in other assays.
    • 公开了免疫组织化学和放射免疫测定方法,其中聚合物涂覆的顺磁性颗粒和结合剂如抗体通过化学或物理手段相关联,以提供顺磁性的固体闪烁免疫吸附剂颗粒。 这些颗粒能够选择性地结合或保留放射性或标记的抗原或配体,并将放射能量传输到通过化学或物理手段结合到颗粒的磷光体或光子发射物质。 当抗原或配体与颗粒的表面结合时,颗粒通过施加磁场与溶液中未结合的组分分离。 通过闪烁计数器测量由附着在磁分离的颗粒上的荧光体发射的发光,并与与抗体结合的标记抗原释放的放射性能量成正比。 测量完成后,顺磁性颗粒可被磁性分离,标记的抗原或配体被去除用于进一步分析,再循环使用的颗粒用于其他测定。