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    • 4. 发明申请
    • REAL TIME ELECTRONIC CELL SENSING SYSTEM AND APPLICATIONS FOR CYTOTOXICITY PROFILING AND COMPOUND ASSAYS
    • 实时电子细胞感测系统及其应用于细胞毒性分析和化合物测定
    • US20110117542A1
    • 2011-05-19
    • US13011725
    • 2011-01-21
    • Yama AbassiXiaobo WangXiao Xu
    • Yama AbassiXiaobo WangXiao Xu
    • C12Q1/02C12Q1/70C12Q1/68
    • C12Q1/025C12Q1/002G01N27/02G01N33/4836G01N33/5014G01N33/5438
    • The invention provides methods of investigating a mechanism of action of a compound, which includes providing a device for monitoring cell-substrate impedance; attaching the device to an impedance analyzer; adding cells to two or more wells; adding a test compound to at least one of the wells and providing at least one control well; monitoring impedance of the wells to obtain a series of impedance measurements; plotting impedance measurements to obtain impedance curves and comparing the impedance curves to determine a time frame at which the test compound has a significant effect on cell growth or behavior. Determining the time frame provides information on changes in cell status in response to the test compound, including cell attachment or adhesion status, cell growth or proliferation status, the number of viable or dead cells, cytoskeletal organization or structure, and the number of cells going through apoptosis or necrosis.
    • 本发明提供了研究化合物作用机理的方法,其包括提供用于监测细胞 - 基底阻抗的装置; 将设备连接到阻抗分析仪; 将细胞添加到两个或更多个孔中; 向至少一个孔中加入测试化合物并提供至少一个对照孔; 监测井的阻抗以获得一系列阻抗测量; 绘制阻抗测量以获得阻抗曲线并比较阻抗曲线以确定测试化合物对细胞生长或行为具有显着影响的时间框架。 确定时间框架提供了响应于测试化合物的细胞状态变化的信息,包括细胞附着或粘附状态,细胞生长或增殖状态,活细胞或死细胞的数量,细胞骨架组织或结构以及细胞数目 通过凋亡或坏死。
    • 6. 发明申请
    • Impedance Based Devices and Methods for Use in Assays
    • 基于阻抗的器件和用于测定的方法
    • US20090205201A1
    • 2009-08-20
    • US12325530
    • 2008-12-01
    • Xiao XuXiaobo Wang
    • Xiao XuXiaobo Wang
    • H01R43/00B23K26/00
    • G01N27/02C12M23/12C12M41/36G01N27/3276Y10T29/49117
    • A device for detecting cells and/or molecules on an electrode surface is disclosed. The device detects cells and/or molecules through measurement of impedance changes resulting from the cells and/or molecules. A disclosed embodiment of the device includes a substrate having two opposing ends along a longitudinal axis. A plurality of electrode arrays are positioned on the substrate. Each electrode array includes at least two electrodes, and each electrode is separated from at least one adjacent electrode in the electrode array by an expanse of non-conductive material. The electrode has a width at its widest point of more than about 1.5 and less than about 10 times the width of the expanse of non-conductive material. The device also includes electrically conductive traces extending substantially longitudinally to one of the two opposing ends of the substrate without intersecting another trace. Each trace is in electrical communication with at least one of the electrode arrays.
    • 公开了一种用于检测电极表面上的电池和/或分子的装置。 该装置通过测量由细胞和/或分子产生的阻抗变化来检测细胞和/或分子。 所述装置的公开实施例包括具有沿着纵向轴线的两个相对端部的基板。 多个电极阵列位于基板上。 每个电极阵列包括至少两个电极,并且每个电极由电极阵列中的至少一个相邻的电极通过一片非导电材料分开。 电极的最宽点处的宽度大于非导电材料的宽度的大约1.5倍且小于约10倍。 该器件还包括基本上纵向延伸到衬底的两个相对端之一的导电迹线,而不与另一迹线相交。 每个迹线与至少一个电极阵列电连通。
    • 10. 发明授权
    • Real time electronic cell sensing system and applications for cytotoxicity profiling and compound assays
    • 实时电子细胞感测系统和细胞毒性分析和化合物分析的应用
    • US08344742B2
    • 2013-01-01
    • US13011725
    • 2011-01-21
    • Yama A. AbassiXiaobo WangXiao Xu
    • Yama A. AbassiXiaobo WangXiao Xu
    • G01R27/08
    • C12Q1/025C12Q1/002G01N27/02G01N33/4836G01N33/5014G01N33/5438
    • The invention provides methods of investigating a mechanism of action of a compound, which includes providing a device for monitoring cell-substrate impedance; attaching the device to an impedance analyzer; adding cells to two or more wells; adding a test compound to at least one of the wells and providing at least one control well; monitoring impedance of the wells to obtain a series of impedance measurements; plotting impedance measurements to obtain impedance curves and comparing the impedance curves to determine a time frame at which the test compound has a significant effect on cell growth or behavior. Determining the time frame provides information on changes in cell status in response to the test compound, including cell attachment or adhesion status, cell growth or proliferation status, the number of viable or dead cells, cytoskeletal organization or structure, and the number of cells going through apoptosis or necrosis.
    • 本发明提供了研究化合物作用机理的方法,其包括提供用于监测细胞 - 基底阻抗的装置; 将设备连接到阻抗分析仪; 将细胞添加到两个或更多个孔中; 向至少一个孔中加入测试化合物并提供至少一个对照孔; 监测井的阻抗以获得一系列阻抗测量; 绘制阻抗测量以获得阻抗曲线并比较阻抗曲线以确定测试化合物对细胞生长或行为具有显着影响的时间范围。 确定时间框架提供了响应于测试化合物的细胞状态变化的信息,包括细胞附着或粘附状态,细胞生长或增殖状态,活细胞或死细胞的数量,细胞骨架组织或结构以及细胞数目 通过凋亡或坏死。