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    • 2. 发明授权
    • Diagnostic testing process
    • 诊断测试过程
    • US07875435B2
    • 2011-01-25
    • US10497925
    • 2002-12-12
    • David Ian MarlboroughAndrew John SloaneRobert Alan ColeWilliam Samuel Hunter
    • David Ian MarlboroughAndrew John SloaneRobert Alan ColeWilliam Samuel Hunter
    • G01N33/554
    • B01L3/5023B01L2200/0642B01L2300/0825B01L2300/16B01L2400/0406B01L2400/0633G01N33/54306G01N33/54366Y02A50/58Y10S435/81Y10S435/973Y10S436/807Y10S436/81
    • A method and apparatus for use in a flow through assay process is disclosed. The method is characterized by a “pre-incubation step” in which the sample which is to be analysed (typically for the presence of a particular protein), and a detection analyte (typically one or more antibodies bound to colloidal gold or a fluorescent tag) which is known to bind to the particular protein may bind together for a desired period of time. This pre-incubation step occurs before the mixture of sample and detection analyte come into contact with a capture analyte bound to a membrane. The provision of the pre-incubation step has the effect of both improving the sensitivity of the assay and reducing the volume of sample required for an assay. An apparatus for carrying out the method is disclosed defining a pre-incubation chamber for receiving the sample and detection analyte having a base defined by a membrane and a second membrane to which a capture analyte is bound. In one version the pre-incubation chamber is supported above the second membrane in one position but can be pushed into contact with the membrane carrying the capture analyte thus permitting fluid transfer from the incubation chamber through the capture membrane. In another version the membrane at the base of the incubation chamber is hydrophobic and its underside contacts the capture membrane and when a wetting agent is applied to the contents of the pre-incubation chamber fluid transfer occurs.
    • 公开了一种用于流过测定过程的方法和装置。 该方法的特征在于“预孵育步骤”,其中待分析的样品(通常为特定蛋白质的存在)和检测分析物(通常为结合胶体金或荧光标记的一种或多种抗体 )已知结合特定蛋白质可以结合在一起所需的时间段。 此预孵育步骤在样品和检测分析物的混合物与结合到膜的捕获分析物接触之前发生。 提供预孵育步骤具有提高测定的灵敏度并降低测定所需样品的体积的效果。 公开了一种用于实施该方法的装置,其限定用于接收样品的预孵育室和具有由膜和第二膜限定的基底的检测分析物,捕获分析物与该第二膜结合。 在一个版本中,预孵育室在一个位置上被支撑在第二膜上方,但是可以被推入与承载捕获分析物的膜接触,从而允许流体从孵育室通过捕获膜转移。 在另一个版本中,孵育室底部的膜是疏水性的并且其下侧接触捕获膜,并且当将润湿剂施加到预孵育室的内容物时,发生流体转移。
    • 3. 发明授权
    • Diagnostic testing process
    • 诊断测试过程
    • US08067246B2
    • 2011-11-29
    • US12874675
    • 2010-09-02
    • David Ian MarlboroughAndrew John SloaneRobert Alan ColeWilliam Samuel Hunter
    • David Ian MarlboroughAndrew John SloaneRobert Alan ColeWilliam Samuel Hunter
    • G01N33/543
    • B01L3/5023B01L2200/0642B01L2300/0825B01L2300/16B01L2400/0406B01L2400/0633G01N33/54306G01N33/54366Y02A50/58Y10S435/81Y10S435/973Y10S436/807Y10S436/81
    • A method and apparatus for use in a flow through assay process is disclosed. The method is characterised by a “pre-incubation step” in which the sample which is to be analyzed (typically for the presence of a particular protein), and a detection analyte (typically one or more antibodies bound to colloidal gold or a fluorescent tag) which is known to bind to the particular protein may bind together for a desired period of time. This pre-incubation step occurs before the mixture of sample and detection analyte come into contact with a capture analyte bound to a membrane. The provision of the pre-incubation step has the effect of both improving the sensitivity of the assay and reducing the volume of sample required for an assay. An apparatus for carrying out the method is disclosed defining a pre-incubation chamber for receiving the sample and detection analyte having a base defined by a membrane and a second membrane to which a capture analyte is bound. In one version the pre-incubation chamber is supported above the second membrane in one position but can be pushed into contact with the membrane carrying the capture analyte thus o permitting fluid transfer from the incubation chamber through the capture membrane. In another version the membrane at the base of the incubation chamber is hydrophobic and its underside contacts the capture membrane and when a wetting agent is applied to the contents of the pre-incubation chamber fluid transfer occurs.
    • 公开了一种用于流过测定过程的方法和装置。 该方法的特征在于“预孵育步骤”,其中待分析的样品(通常为特定蛋白质的存在)和检测分析物(通常为结合胶体金或荧光标记的一种或多种抗体 )已知结合特定蛋白质可以结合在一起所需的时间段。 此预孵育步骤在样品和检测分析物的混合物与结合到膜的捕获分析物接触之前发生。 提供预孵育步骤具有提高测定的灵敏度并降低测定所需样品的体积的效果。 公开了一种用于实施该方法的装置,其限定用于接收样品的预孵育室和具有由膜和第二膜限定的基底的检测分析物,捕获分析物与该第二膜结合。 在一个版本中,预孵育室在一个位置上被支撑在第二膜上方,但是可以被推入与携带捕获分析物的膜接触,从而允许流体通过捕​​获膜从孵育室转移。 在另一个版本中,孵育室底部的膜是疏水性的并且其下侧接触捕获膜,并且当将润湿剂施加到预孵育室的内容物时,发生流体转移。
    • 4. 发明申请
    • Diagnostic Testing Process
    • 诊断测试过程
    • US20100323369A1
    • 2010-12-23
    • US12874675
    • 2010-09-02
    • David Ian MarlboroughAndrew John SloaneRobert Alan ColeWilliam Samuel Hunter
    • David Ian MarlboroughAndrew John SloaneRobert Alan ColeWilliam Samuel Hunter
    • G01N33/53G01N30/00C12M1/34G01N33/543
    • B01L3/5023B01L2200/0642B01L2300/0825B01L2300/16B01L2400/0406B01L2400/0633G01N33/54306G01N33/54366Y02A50/58Y10S435/81Y10S435/973Y10S436/807Y10S436/81
    • A method and apparatus for use in a flow through assay process is disclosed. The method is characterised by a “pre-incubation step” in which the sample which is to be analysed (typically for the presence of a particular protein), and a detection analyte (typically one or more antibodies bound to colloidal gold or a fluorescent tag) which is known to bind to the particular protein may bind together for a desired period of time. This pre-incubation step occurs before the mixture of sample and detection analyte come into contact with a capture analyte bound to a membrane. The provision of the pre-incubation step has the effect of both improving the sensitivity of the assay and reducing the volume of sample required for an assay. An apparatus for carrying out the method is disclosed defining a pre-incubation chamber for receiving the sample and detection analyte having a base defined by a membrane and a second membrane to which a capture analyte is bound. In one version the pre-incubation chamber is supported above the second membrane in one position but can be pushed into contact with the membrane carrying the capture analyte thus o permitting fluid transfer from the incubation chamber through the capture membrane. In another version the membrane at the base of the incubation chamber is hydrophobic and its underside contacts the capture membrane and when a wetting agent is applied to the contents of the pre-incubation chamber fluid transfer occurs.
    • 公开了一种用于流过测定过程的方法和装置。 该方法的特征在于“预孵育步骤”,其中待分析的样品(通常为特定蛋白质的存在)和检测分析物(通常为结合胶体金或荧光标记的一种或多种抗体 )已知结合特定蛋白质可以结合在一起所需的时间段。 此预孵育步骤在样品和检测分析物的混合物与结合到膜的捕获分析物接触之前发生。 提供预孵育步骤具有提高测定的灵敏度并降低测定所需样品的体积的效果。 公开了一种用于实施该方法的装置,其限定用于接收样品的预孵育室和具有由膜和第二膜限定的基底的检测分析物,捕获分析物与该第二膜结合。 在一个版本中,预孵育室在一个位置上被支撑在第二膜上方,但是可以被推入与携带捕获分析物的膜接触,从而允许流体通过捕​​获膜从孵育室转移。 在另一个版本中,孵育室底部的膜是疏水性的并且其下侧接触捕获膜,并且当将润湿剂施加到预孵育室的内容物时,发生流体转移。
    • 6. 发明申请
    • PORTABLE HIGH GAIN FLUORESCENCE DETECTION SYSTEM
    • 便携式高增益荧光检测系统
    • US20120135511A1
    • 2012-05-31
    • US13191120
    • 2011-07-26
    • C. Frederick BattrellTroy D. DaiberWilliam Samuel Hunter
    • C. Frederick BattrellTroy D. DaiberWilliam Samuel Hunter
    • C12M1/40
    • G01N21/6456B01L7/52C12M23/16G01N21/645G01N21/6452G01N21/6454G01N2201/0245
    • Disclosed is a compact, microprocessor-controlled instrument for fluorometric assays in liquid samples, the instrument having a floating stage with docking bay for receiving a microfluidic cartridge and a scanning detector head with on-board embedded microprocessor for controlling source LEDs, emission signal amplification and filtering in an isolated, low noise, high gain environment within the detector head. Multiple optical channels may be incorporated in the scanning head. In a preferred configuration, the assay is validated using dual channel optics for monitoring a first fluorophore associated with a target analyte and a second fluorophore associated with a control. Applications include molecular biological assays based on PCR amplification of target nucleic acids and fluorometric assays in general, many of which require temperature control during detection. Sensitivity and resistance to bubble interference during scanning are shown to be improved by use of a heating block with reflective mirror face in intimate contact with a thermo-optical window enclosing the liquid sample.
    • 公开了一种用于液体样品中的荧光测定的紧凑型微处理器控制仪器,该仪器具有用于接收微流控盒的对接舱的浮动台和具有用于控制源LED的放射性嵌入式微处理器的扫描检测器头,发射信号放大和 在检测器头内的隔离,低噪声,高增益环境中进行滤波。 多个光通道可并入扫描头。 在优选的配置中,使用双通道光学器件验证测定,用于监测与靶分析物相关联的第一荧光团和与对照相关联的第二荧光团。 应用包括基于目标核酸的PCR扩增和荧光测定的分子生物测定法,其中许多在检测期间需要温度控制。 通过使用具有与包围液体样品的热光学窗口紧密接触的反射镜面的加热块,可以改善扫描期间对气泡干扰的灵敏度和抗性。