会员体验
专利管家(专利管理)
工作空间(专利管理)
风险监控(情报监控)
数据分析(专利分析)
侵权分析(诉讼无效)
联系我们
交流群
官方交流:
QQ群: 891211   
微信请扫码    >>>
现在联系顾问~
热词
    • 2. 发明申请
    • BULK FLUID FLOW GATE
    • 大流量流动门
    • WO2004104457A2
    • 2004-12-02
    • PCT/US2004015934
    • 2004-05-19
    • PROTASIS CORPSTRAND DAVIDLEATZOW DAN M
    • STRAND DAVIDLEATZOW DAN M
    • G01N27/447F16K
    • B01L3/502746B01L2300/0645B01L2300/0877B01L2300/0887B01L2300/1894B01L2400/0421B01L2400/082G01N27/44756Y10T137/2191
    • A bulk fluid flow gate is provided. In accordance with certain exemplary embodiments the bulk fluid flow gate includes a first and second entry port and first and second exit ports. Bulk fluid is flowed into the chamber to provide greater hydrodynamic resistance at the first exit port than at the second exit port. The bulk fluid flow gate is useful for separation, testing and or analysis of analytes. Methods of making and using the bulk fluid flow gate are also provided. In accordance with certain exemplary embodiments a fluid flow gate includes a first entry port into a microscale chamber and first and second exit ports. In accordance with certain embodiments a fluid flow gate includes a first entry port to a chamber and first and second exit ports, wherein greater hydrodynamic resistance is provided at the first exit port than at the second exit port.
    • 提供散装流体流动门。 根据某些示例性实施例,本体流体流动门包括第一入口端口和第二入口端口以及第一和第二出口端口。 散装流体流入室,以在第一出口处提供比在第二出口处更大的流体动力阻力。 散装流体闸门可用于分析,分析和分析。 还提供了制造和使用散装流体闸门的方法。 根据某些示例性实施例,流体流动门包括进入微型室和第一和第二出口的第一入口。 根据某些实施例,流体流动门包括到腔室的第一进入口和第一和第二出口,其中在第一出口处提供比在第二出口处更大的流体动力阻力。
    • 3. 发明申请
    • METHOD AND APPARATUS DETERMINING THE ISOELECTRIC POINT OF CHARGED ANALYTE
    • 方法和装置确定充电分析仪的电压点
    • WO2004065937A2
    • 2004-08-05
    • PCT/US2004/000630
    • 2004-01-12
    • PROTASIS CORPORATIONSTRAND, DavidLEATZOW, Dan, M.
    • STRAND, DavidLEATZOW, Dan, M.
    • G01N
    • B01D61/425C07K1/28G01N27/44704
    • Devices are provided for determining the isoelectric point of a charged analyte, comprising a titration chamber and an electrode chamber. The electrode chamber comprises at least two electrodes, for example, an electrode array. Either or both of the titration chamber and the electrode chamber may have a shaped geometry. The electrodes are operative, in conjunction with the shaped geometry of the chamber(s) where appropriate, to generate an electric field gradient in the titration chamber. Permeable material separates the titration chamber and the electrode chamber. A pH Sensor is located in the titration chamber for obtaining the pH of the first fluid. Certain preferred embodiments further include an analyte band detector for detecting the presence and optionally the location of a focused band of charged solute. Methods are provided for determining the isoelectric point of a charged analyte comprising introducing a carrier fluid comprising a Charge analyte into the titration chamber of a device as just described and applying an electric field gradient to focus the charged analyte into a focused band. The pH of the carrier fluid is incremented or adjusted to shift the location of the focused band of charged analyte, and the pH and location of the focused band of charged analyte are obtained for a plurality of locations and pH's and the isoelectric point is determined from such data.
    • 提供了用于确定带电分析物的等电点的装置,包括滴定室和电极室。 电极室包括至少两个电极,例如电极阵列。 滴定室和电极室中的任一个或两者可以具有成形几何形状。 电极在适当的情况下与室的成形几何结合起作用,以在滴定室中产生电场梯度。 渗透材料分离滴定室和电极室。 pH传感器位于滴定室中以获得第一流体的pH。 某些优选实施例还包括用于检测带电溶质的聚焦带的存在和可选地位置的分析物带检测器。 提供了用于确定带电分析物的等电点的方法,包括将包含电荷分析物的载体流体引入如上所述的装置的滴定室中,并施加电场梯度以将带电分析物聚焦到聚焦带中。 载体流体的pH被递增或调整以移动带电分析物的聚焦带的位置,并且对于多个位置和pH值获得带电分析物的聚焦带的pH和位置,并且等电点由 这样的数据。
    • 4. 发明申请
    • ELECTROPHORETIC DEVICES, INSTRUMENTS AND SYSTEMS INCLUDING SAME
    • 电泳装置,仪器和系统,包括它们
    • WO2004051247A2
    • 2004-06-17
    • PCT/US0338170
    • 2003-12-01
    • PROTASIS CORPSTRAND DAVIDLEATZOW DAN M
    • STRAND DAVIDLEATZOW DAN M
    • G01N27/447G01N27/00
    • G01N27/44795B01D57/02
    • Devices, systems and methods are provided for processing fluid samples containing one or more analytes. In certain examples, an electrophoretic device comprises a separation chamber and an electrode chamber, each of which may be uniform or non-uniform. The electrode chamber includes two or more electrodes or may include an electrode array. Molecular sieve may be included in the separation chamber, and the molecular sieve is operative to shift the location at which a stationary focused band of a charged analyte forms under a given set of focusing process parameters. Such systems are especially suitable for linking up analytical instruments in a hyphenated fashion, particularly where the instruments have differing system parameters.
    • 提供设备,系统和方法来处理含有一种或多种分析物的流体样品。 在某些实例中,电泳装置包括分离室和电极室,每个电极室可均匀或不均匀。 电极室包括两个或更多个电极或者可以包括电极阵列。 分子筛可以包括在分离室中,并且分子筛可操作以在给定的一组聚焦过程参数下移动带电分析物的固定聚焦带的位置。 这种系统特别适用于以连字的方式连接分析仪器,特别是在仪器具有不同系统参数的情况下。
    • 9. 发明申请
    • VORTEX-STABILIZED ELECTROPHORETIC DEVICES AND METHODS
    • 涡旋稳定的电泳装置和方法
    • WO2004072611A2
    • 2004-08-26
    • PCT/US2004003490
    • 2004-02-06
    • UNIV WASHINGTON STATEIVORY CORNELIUS FTRACY NOAH ISTRAND DAVIDLEATZOW DAN M
    • IVORY CORNELIUS FTRACY NOAH ISTRAND DAVIDLEATZOW DAN M
    • G01N20060101G01N27/26G01N27/447G01N
    • G01N27/44795C07K1/26
    • A vortex-stabilized electrophoretic processor comprises an annular processing chamber at least partly defined by concentric first and second processing chamber surfaces. At least one of the processing chamber surfaces is rotatable relative to the other processing chamber surface. The electrophoretic processor further comprises an electric field generator operative to be energized to establish a dynamic field gradient within the processing chamber. At least one fluid port is provided, having fluid communication with the processing chamber. The electric field generator may comprise an elongate electrode array positioned within a central bore of a rotor forming the inside surface of the processing chamber. One or both of the processing chamber surfaces can have shaping comprising multiple spaced tines or annular ridges extending toward the other of the processing chamber surfaces.
    • 涡流稳定的电泳处理器包括至少部分由同心的第一和第二处理室表面限定的环形处理室。 至少一个处理室表面可相对于另一个处理室表面旋转。 电泳处理器还包括电场发生器,该电场发生器可操作以被激励以在处理室内建立动态场梯度。 提供至少一个流体端口,其与处理腔室流体连通。 电场发生器可以包括定位在形成处理室的内表面的转子的中心孔内的细长电极阵列。 处理室表面中的一个或两个可以具有包括多个间隔开的尖端或环形脊的成形,所述多个间隔的尖端或环形脊朝着处理室表面中的另一个延伸。
    • 10. 发明申请
    • DEVICES AND METHODS FOR FOCUSING ANALYTES IN AN ELECTRIC FIELD GRADIENT II
    • 用于在电场梯度中聚焦分析物的装置和方法II
    • WO2004065619A2
    • 2004-08-05
    • PCT/US2004/000659
    • 2004-01-12
    • PROTASIS CORPORATIONSTRAND, DavidLEATZOW, Dan, M.
    • STRAND, DavidLEATZOW, Dan, M.
    • C12Q
    • G01N27/44795C07K1/26
    • Devices are provided for separating and focusing analytes, comprising a separation chamber and electrodes separated from the separation chamber by a membrane. The electrodes are operative to generate an electric field in the separation chamber. Molecular sieve in the separation chamber is operative to shift the location at which a stationary focused band of the analyte forms under a given set of focusing process parameters. Methods are provided for separating and focusing charged analytes, comprising introducing a first fluid comprising at least one charged analyte into the separation chamber of a device as just described, applying an electric field gradient to the separation chamber to focus the charged analyte at a location in the separation chamber. Methods are provided for separating and focusing un-charged (including inadequately charged) analytes, comprising introducing a fluid comprising at least the uncharged analyte and lipids, micelles and/or vesicles into the separation chamber of a device as just described, and applying an electric field gradient to the separation chamber to focus the analyte (in association with the lipids, micelles and/or vesicles) at a location in the separation chamber.
    • 提供了用于分离和聚焦分析物的装置,包括分离室和通过膜与分离室分离的电极。 电极可操作以在分离室中产生电场。 分离室中的分子筛可操作以在给定的一组聚焦过程参数下移动分析物的固定聚焦带形成的位置。 提供了用于分离和聚焦带电分析物的方法,包括将如上所述将包含至少一种带电分析物的第一流体引入装置的分离室中,向分离室施加电场梯度以将带电分析物聚焦在位于 分离室。 提供了用于分离和聚焦未充电(包括未充足电)的分析物的方法,包括将至少包含不带电荷的分析物和脂质,胶束和/或囊泡的流体引入到刚刚描述的装置的分离室中,并施加电 场分离室,以将分析物(与脂质,胶束和/或囊泡结合)聚焦在分离室中的位置。