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    • 16. 发明申请
    • DIFFRACTION GRATING-BASED ENCODED ARTICLES FOR MULTIPLEXED EXPERIMENTS
    • 衍射光栅为基础的编码多重实验的文章
    • WO2005050207A3
    • 2005-12-29
    • PCT/US2004038416
    • 2004-11-15
    • CYVERA CORP
    • MOON JOHN APUTNAM MARTIN APERBOST MICHELQUINN JOHN JOSEPHTROUNSTINE MARY CATHERINE
    • G01N15/14G01N33/543G01N35/00G02B5/18G02B6/34
    • G01N35/00732B01J2219/00497B01J2219/005B01J2219/00502B01J2219/00542B01J2219/0056B01J2219/00576B01J2219/00722B01J2219/00725G01N33/54313G01N2035/00772
    • The present invention provides methods and compositions directed toward assays of a broad range of analytes using specific targeting chemicals that bind to the analytes. The assays are founded on the use of coded assay articles to which the targeting chemicals are attached. Additionally the codes are such that they are interrogated and determined in real time. The target is analyzed as to identity, presence and quantity in real time. The methods and compositions of the invention are highly suitable for use in high-complexity multiplexed assay systems. All the methods and compositions are based on assay article that includes an optical substrate to which the chemical is bound, and in which is disposed at least one diffraction grating. The grating provides an output optical signal when illuminated by an incident light signal which is indicative of the code in the substrate. In general, coded assay article or sets thereof are employed in assay methods, including multiplexed assay methods, according to which a sample is contacted with an article or a set, and any analytes that bind to the attached chemical are identified according to the code, detected and/or quantitated.
    • 本发明提供了使用与分析物结合的特定靶向化学物质针对宽范围分析物的分析的方法和组合物。 该测定基于使用附接有靶向化学物质的编码测定物品。 此外,这些代码可以实时查询和确定。 实时分析目标的身份,存在和数量。 本发明的方法和组合物非常适合用于高度复杂的多路复用测定系统。 所有的方法和组合物都基于化验物品,该化验物品包括化学物质结合到其上的光学基材,并且其中布置有至少一个衍射光栅。 光栅在被指示衬底中的代码的入射光信号照射时提供输出光信号。 一般而言,在测定方法中使用编码测定物品或其组合,所述测定方法包括多重测定方法,根据该方法使样品与物品或组相接触,并且根据代码识别与所附化学物质结合的任何分析物, 检测和/或定量。
    • 20. 发明申请
    • ALTERATION OF SURFACE AFFINITIES
    • 表面活性物质的改变
    • WO2004067191A3
    • 2004-12-23
    • PCT/US2004002498
    • 2004-01-29
    • HARVARD COLLEGEJIANG XINGYUFERRIGNO ROSARIAWHITESIDES GEORGE M
    • JIANG XINGYUFERRIGNO ROSARIAWHITESIDES GEORGE M
    • B01J20/32B05D3/14
    • B82Y30/00B01J20/3204B01J20/321B01J20/3212B01J20/3225B01J20/3227B01J20/3248B01J20/3251B01J20/3274B01J20/3285B01J2219/00497B01J2219/00527B01J2219/00576B01J2219/00585B01J2219/00596B01J2219/00653B01J2219/00659B01J2219/00677B01J2219/00722B01J2219/00725B01J2219/00743B05D3/14B05D3/207G01N33/54353G01N2610/00Y10S436/823Y10T436/118339
    • The present invention provides a series of methods, compositions, and articles for altering a property of a surface (for example, the cytophilicity and/or the hydrophilicity), by exposing at least a portion of the surface to a non-chemical, force-creating field and/or force, such as an electric field. The field/force may be created by any suitable technique. For instance, the field can be created by applying a voltage across the surface, by electrical induction, etc. In certain embodiments, the surface includes molecules attached thereto that can be detached when exposed to non-chemical, force-creating fields and/or forces, thereby altering the chemical composition of at least a portion of the surface. In one set of embodiments, the molecules attached to the surface may include molecules forming a self-assembled monolayer on the surface. In some embodiments, the molecules attached to the surface may include thiol moieties (e.g., as in an alkanethiol), by which the molecule can become attached to the surface. In certain cases, the molecules may be terminated at the unattached end with one or more hydrophilic groups, for example, unmodified ethylene glycol moieties. In some cases, the molecules attached to the surface may include one or more moieties that can bind to various entities such as proteins, peptides, nucleic acids, drugs, cells, etc. In certain embodiments, the techniques are used to enable novel assays for cell motility and/or spreading and screening tests for determining drugs and/or treatments effective in increasing or decreasing cell shape changes and/or motility on surfaces.
    • 本发明提供了一系列用于改变表面性质(例如,细胞毒性和/或亲水性)的方法,组合物和制品,通过将至少一部分表面暴露于非化学, 产生场和/或力,例如电场。 场/力可以通过任何合适的技术来产生。 例如,可以通过在表面上施加电压,通过电感应等来产生该场。在某些实施例中,表面包括附着于其上的分子,当暴露于非化学,力产生场和/或 从而改变表面的至少一部分的化学成分。 在一组实施方案中,连接到表面的分子可以包括在表面上形成自组装单层的分子。 在一些实施方案中,附着于表面的分子可以包括硫醇部分(例如,如在链烷硫醇中),通过该分子可以使分子附着于表面。 在某些情况下,分子可以在一个或多个亲水基团例如未改性的乙二醇部分的非附着端封端。 在一些情况下,附着于表面的分子可以包括可结合各种实体的一个或多个部分,例如蛋白质,肽,核酸,药物,细胞等。在某些实施方案中,该技术用于使 用于确定有效增加或减少细胞形状变化和/或表面活力的药物和/或治疗的细胞运动性和/或扩散和筛选试验。