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    • 4. 发明申请
    • A FLUID MEMBRANE-BASED LIGAND DISPLAY SYSTEM FOR LIVE CELL ASSAYS AND DISEASE DIAGNOSIS APPLICATIONS
    • 用于活细胞测定和疾病诊断应用的基于流体膜的配体显示系统
    • WO2007084962A2
    • 2007-07-26
    • PCT/US2007/060721
    • 2007-01-18
    • THE REGENTS OF THE UNIVERSITY OF CALIFORNIANAM, Jwa-MinNAIR, Pradeep, M.NEVE, Richard, M.GRAY, Joe, W.GROVES, John, T.
    • NAM, Jwa-MinNAIR, Pradeep, M.NEVE, Richard, M.GRAY, Joe, W.GROVES, John, T.
    • G01N33/53
    • G01N33/554
    • A supported membrane based, strategy for the presentation of soluble signaling molecules to living cells is described. In this system, the fluidity of the supported membrane enables localized enrichment of ligand density in a configuration reflecting cognate receptor distribution on the cell surface. Display of a ligand in non-fluid supported membranes produces significantly less cell adhesion and spreading, thus demonstrating that this technique provides a means to control functional soluble ligand exposure in a surface array format. Furthermore, this technique can be applied to tether natively membrane-bound signaling molecules such as ephrin Al to a supported lipid bilayer. Such a surface can modulate the spreading behavior of metastatic human breast cancer cells displaying ligands and biomolecules of choice. The SLB microenvironment provides a versatile platform that can be tailored to controllably and functionally present a multitude of cell signaling events in a parallel surface array format.
    • 描述了一种用于向活细胞呈递可溶性信号分子的支持膜的策略。 在该系统中,支持的膜的流动性使得能够在反映细胞表面上的同源受体分布的构型中局部富集配体密度。 在非流体支持的膜中显示配体产生显着更少的细胞粘附和扩散,因此证明该技术提供了以表面阵列形式控制功能性可溶性配体暴露的方法。 此外,这种技术可以应用于系统地将膜结合的信号分子例如ephrin A1应用于支持的脂质双层。 这种表面可以调节显示配体和选择的生物分子的转移性人乳腺癌细胞的扩散行为。 SLB微环境提供了一个通用平台,可以进行调整,以便可控地和功能地呈现并行表面阵列格式的多个单元信令事件。
    • 9. 发明申请
    • A FLUID MEMBRANE-BASED LIGAND DISPLAY SYSTEM FOR LIVE CELL ASSAYS AND DISEASE DIAGNOSIS APPLICATIONS
    • 用于活细胞测定和疾病诊断应用的基于流体膜的配体显示系统
    • WO2007084962A3
    • 2009-02-26
    • PCT/US2007060721
    • 2007-01-18
    • UNIV CALIFORNIANAM JWA-MINNAIR PRADEEP MNEVE RICHARD MGRAY JOE WGROVES JOHN T
    • NAM JWA-MINNAIR PRADEEP MNEVE RICHARD MGRAY JOE WGROVES JOHN T
    • A61K9/127
    • G01N33/554
    • A supported membrane based, strategy for the presentation of soluble signaling molecules to living cells is described. In this system, the fluidity of the supported membrane enables localized enrichment of ligand density in a configuration reflecting cognate receptor distribution on the cell surface. Display of a ligand in non-fluid supported membranes produces significantly less cell adhesion and spreading, thus demonstrating that this technique provides a means to control functional soluble ligand exposure in a surface array format. Furthermore, this technique can be applied to tether natively membrane-bound signaling molecules such as ephrin Al to a supported lipid bilayer. Such a surface can modulate the spreading behavior of metastatic human breast cancer cells displaying ligands and biomolecules of choice. The SLB microenvironment provides a versatile platform that can be tailored to controllably and functionally present a multitude of cell signaling events in a parallel surface array format.
    • 描述了一种用于向活细胞呈递可溶性信号分子的支持膜的策略。 在该系统中,支持的膜的流动性使得能够在反映细胞表面上的同源受体分布的构型中局部富集配体密度。 在非流体支持的膜中显示配体产生显着更少的细胞粘附和扩散,因此证明该技术提供了以表面阵列形式控制功能性可溶性配体暴露的方法。 此外,这种技术可以应用于系统地将膜结合的信号分子例如ephrin A1应用于支持的脂质双层。 这种表面可以调节显示配体和选择的生物分子的转移性人乳腺癌细胞的扩散行为。 SLB微环境提供了一个通用平台,可以进行调整,以便可控地和功能地呈现并行表面阵列格式的多个单元信令事件。
    • 10. 发明申请
    • NOVEL AU / AG CORE-SHELL COMPOSITE USEFUL FOR BIOSENSOR
    • 新颖AU / AG芯壳复合材料可用于生物传感器
    • WO2009136741A1
    • 2009-11-12
    • PCT/KR2009/002399
    • 2009-05-07
    • SEOUL NATIONAL UNIVERSITY INDUSTRY FOUNDATIONNAM, Jwa-MinLIM, Dong-KwonKIM, In-Jung
    • NAM, Jwa-MinLIM, Dong-KwonKIM, In-Jung
    • G01N33/58G01N21/65
    • G01N21/658B82Y30/00G01N33/54346Y10T428/2991
    • In accordance with an aspect of the present invention, there is provided an Au/Ag core-shell composite including an Au nanoparticle; an Ag nanoparticle layer surrounding the Au nanoparticle; and a receptor having a target material recognition site bondable or reactable with a target material, wherein one end of the receptor is bonded on the surface of the Au nanoparticle, so that a portion of the receptor is embedded into the Ag nanoparticle layer, and the target material recognition site is exposed to the outside of the Ag nanoparticle layer. The Au/Ag core-shell composite can provide a stable bond between Au nanoparticle and organic molecule, and superior optical characteristics of Ag nanoparticle. Thus, a biosensor using the composite in accordance with anaspect of the present invention can effectively and efficiently detect target bio material and be variously used in medical and pharmaceutics.
    • 根据本发明的一个方面,提供一种包含Au纳米颗粒的Au / Ag核 - 壳复合材料; 围绕Au纳米颗粒的Ag纳米颗粒层; 以及具有可与靶材料结合或可与靶材料反应的靶材料识别位点的受体,其中所述受体的一端键合在所述Au纳米颗粒的表面上,使得所述受体的一部分嵌入到所述Ag纳米颗粒层中,并且 靶材料识别位点暴露于Ag纳米颗粒层的外部。 Au / Ag核 - 壳复合材料可以在Au纳米颗粒和有机分子之间提供稳定的键合,并且具有优异的Ag纳米颗粒的光学特性。 因此,使用根据本发明的复合材料的生物传感器可以有效且高效地检测目标生物材料,并且可以用于医疗和药物。