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    • 2. 发明申请
    • PROTEIN DETECTOR BASED ON MOLECULAR CONTROLLED SEMICONDUCTOR RESISTOR
    • 基于分子控制半导体电阻的蛋白质检测器
    • WO2012168932A1
    • 2012-12-13
    • PCT/IL2012/000215
    • 2012-05-31
    • YEDA RESEARCH AND DEVELOPMENT CO. LTDNAAMAN, RonCAPUA, EyalBAVLI, DannyTKACHEV, Maria
    • NAAMAN, RonCAPUA, EyalBAVLI, DannyTKACHEV, Maria
    • G01N27/414G01N27/12
    • G01N27/4145
    • The invention provides a semiconductor device for the detection of an active site-containing protein or a ligand thereof in a solution, said device comprising at least one insulating or semi-insulating layer; at least one conducting semiconductor layer; two conducting pads on top of the upper layer making electrical contact with said at least one conducting semiconductor layer, such that electrical current can flow between them at a finite distance from the surface of the device; a protective molecular layer fabricated on top of said upper layer and protecting said layer from corrosion; and said ligand or active site- containing protein linked to said protective molecular layer. Exposure of said ligand or active site-containing protein to a solution containing said active site-containing protein or ligand, respectively, causes a current change through the device when a constant electric potential is applied between the two conducting pads. The semiconductor device can be seen as a molecularly controlled semiconductor resistor (MOCSER) protein sensor based on doped and undoped GaAs stack structure. The GaAs is protected against etching in aqueous environments by the protective molecular layer.
    • 本发明提供一种用于在溶液中检测含活性位点的蛋白质或其配体的半导体器件,所述器件包括至少一个绝缘或半绝缘层; 至少一个导电半导体层; 在上层的顶部上的两个导电焊盘与所述至少一个导电半导体层电接触,使得电流可以在它们之间在与器件表面有限距离的位置之间流动; 在所述上层顶部制造的保护分子层,并保护所述层免受腐蚀; 和与所述保护性分子层连接的所述配体或含活性位点的蛋白质。 当在两个导电垫之间施加恒定的电位时,所述配体或含活性位点的蛋白质分别暴露于含有所述含活性位点的蛋白质或配体的溶液中,导致通过该装置的电流变化。 半导体器件可以看作是基于掺杂和未掺杂的GaAs堆叠结构的分子控制半导体电阻(MOCSER)蛋白质传感器。 在保护分子层的水溶液环境中保护GaAs不被腐蚀。
    • 3. 发明申请
    • SYSTEM AND METHOD FOR USE IN ANALYSIS OF CHIRAL MOLECULES
    • 用于分析手性分子的系统和方法
    • WO2017221250A1
    • 2017-12-28
    • PCT/IL2017/050692
    • 2017-06-21
    • YEDA RESEARCH AND DEVELOPMENT CO. LTD.UNIVERSITY OF PITTSBURGH-OF THE COMMONWEALTH SYSTEM OF HIGHER EDUCATION
    • NAAMAN, RonKANTOR-URIEL, NiritCAPUA, EyalKUMAR, AnupWALDECK, David
    • G01R33/12
    • G01R33/1284
    • A system and method are described, for use in determining parameters of chiral molecules. The system comprising: an electrode comprising an adsorption surface, and at least first and second pairs of electrical contacts defining respectively first and second axes of electrical path being substantially perpendicular to between them, wherein said adsorption surface is configured for adsorption of a plurality of molecules to be tested; a field generating unit configured to selectively apply electric field onto said adsorption surface of said electrode; and a control unit comprising at least a power source utility and a voltage detection utility and configured to generate and transmit electrical current through said electrode via said first pair of electrical contact. The control unit further operates the field generating unit to apply selected electric field onto said electrode, and determine data about resulting Hall voltage between said second pair of electrical contacts. The data about resulting Hall voltage being indicative of chirality of said plurality of molecules.
    • 描述了用于确定手性分子参数的系统和方法。 该系统包括:包括吸附表面的电极,以及至少第一和第二对电触点,分别限定基本上垂直于它们之间的第一和第二电通路轴线,其中所述吸附表面被配置用于吸附多个分子 待测; 场生成单元,被配置为选择性地将电场施加到所述电极的所述吸附表面上; 以及控制单元,其至少包括电源设施和电压检测设施,并且被配置为通过所述第一对电触点产生并传输电流通过所述电极。 控制单元还操作场生成单元以将选择的电场施加到所述电极上,并且确定关于所述第二对电触点之间的所得霍尔电压的数据。 关于所得霍尔电压的数据指示所述多个分子的手性。