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    • 5. 发明授权
    • Detection of ligands by refractive surface methods
    • 通过折射表面法检测配体
    • US06576430B1
    • 2003-06-10
    • US09716566
    • 2000-11-20
    • Helen V. HsiehJ. Bruce PitnerJason E. Gestwicki
    • Helen V. HsiehJ. Bruce PitnerJason E. Gestwicki
    • G01N3353
    • G01N33/54373Y10S435/808Y10S435/964Y10S436/805Y10T436/24
    • Methods for detection and analysis of allosteric receptor/ligand binding by changes in surface refractive index are provided. When analyzed by surface plasmon resonance, binding of such allosteric binding agents to their ligands may result in a negative deviation in the optical response (i.e., a decrease in resonance angle) or in an increase in the optical response (i.e., an increase in resonance angle) depending on the binding properties of the selected allosteric receptor. Other methods for analysis of surface refractive index are also useful in the invention. The methods of the invention are particularly useful for small ligands which would not be expected to produce detectable changes in refractive index because they do not add significant mass upon binding.
    • 提供了通过表面折射率变化检测和分析变构受体/配体结合的方法。 当通过表面等离子体共振分析时,这种变构结合剂与其配体的结合可能导致光学响应的​​负偏差(即,共振角的减小)或光响应的增加(即共振增加 角度)取决于所选择的变构受体的结合特性。 用于分析表面折射率的其它方法在本发明中也是有用的。 本发明的方法对于小的配体特别有用,因为它们在结合时不会增加显着的质量,所以不希望产生可检测的折射率变化。
    • 10. 发明申请
    • BIOSENSOR DEVICE FOR SENSING AMPHIPATHIC ANALYTES
    • 用于传感放大分析仪的生物传感器装置
    • US20120100631A1
    • 2012-04-26
    • US12325880
    • 2008-12-01
    • W. Shannon DillmoreJ. Bruce Pitner
    • W. Shannon DillmoreJ. Bruce Pitner
    • G01N21/64
    • G01N33/92
    • The current invention relates to sensing elements and devices comprising at least one amphipathic lipid-binding protein or fatty acid binding protein, wherein the binding proteins are associated with a luminescent reporter group. The binding proteins and luminescent reporter groups are encapsulated within a hydrogel matrix that comprises at least one co-monomer, wherein the co-monomer is present at a concentration that decreases or inhibits micelle formation of the amphipathic lipid. Binding of the amphipathic lipid or fatty acid to the appropriate binding protein can produce at least one detectable change in the property of the luminescent reporter group.
    • 本发明涉及包含至少一种两亲脂质结合蛋白或脂肪酸结合蛋白的感测元件和装置,其中结合蛋白与发光报道基团相关。 结合蛋白和发光报告基团被包封在包含至少一种共聚单体的水凝胶基质内,其中共聚单体以降低或抑制两亲性脂质的胶束形成的浓度存在。 两亲性脂质或脂肪酸与合适的结合蛋白的结合可以产生至少一种可检测的发光报道基团性质的变化。