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1. 发明授权

US08642287B2 Cell-impedance sensors 有权
标题翻译：电池阻抗传感器
公开(公告)号：US08642287B2
公开(公告)日：2014-02-04
申请号：US12532992
申请日：2007-07-25
申请人： Lei Wang , Keith Mitchelson , He Wang , Jing Cheng
发明人： Lei Wang , Keith Mitchelson , He Wang , Jing Cheng
IPC分类号： C12Q1/02 , C12M1/34 , G06F7/60 , G06F17/50 , G01R27/08
CPC分类号： G01N27/06 , G01N27/221 , G01N33/48707 , G01N33/48728 , G01N33/5438
摘要： Methods and apparatus for designing and measuring a cell-electrode impedance sensor to detect chemical and biological samples, including biological cells. The method of designing a cell-electrode impedance sensor comprises: determining a cell free cell-electrode impedance and a cell-covered cell-electrode impedance; obtaining a sensor sensitivity of the cell-electrode impedance measurement system; and choosing one or more design parameters of the cell-electrode impedance sensor to maximize the sensor sensitivity. When the frequency of AC signal between electrodes ranges from 10 kHz to 40 kHz, the sensitivity of the sensor is maximized.
摘要翻译：用于设计和测量细胞电极阻抗传感器以检测包括生物细胞在内的化学和生物样品的方法和装置。设计电池电极阻抗传感器的方法包括：确定无电池的电池 - 电极阻抗和电池覆盖的电池 - 电极阻抗; 获得电池电极阻抗测量系统的传感器灵敏度; 并选择电池电极阻抗传感器的一个或多个设计参数以最大化传感器灵敏度。当电极间交流信号的频率范围为10 kHz至40 kHz时，传感器的灵敏度最大化。

2. 发明申请

US20070199907A1 Apparatus And Method For Centrifugal Separation 有权
标题翻译：离心分离装置及方法
公开(公告)号：US20070199907A1
公开(公告)日：2007-08-30
申请号：US10573870
申请日：2004-09-30
申请人： Keith Mitchelson
发明人： Keith Mitchelson
IPC分类号： B04B11/08
CPC分类号： B04B11/082 , B01D17/0217 , B01D21/2416 , B01D21/26 , B01D21/262 , B01D2221/10 , B04B1/02 , B04B5/0442 , B04B11/06 , B04B15/06
摘要： In a method and apparatus for separating a multiphase mixture, separable into discrete density phases, a circular bowl (2) is rotatable about a central axis and has an opening through which the mixture is introduced into the bowl (2). The rotation of the bowl (2) separates the mixture to form annular rings of the discrete density phases and a collection assembly (14) removes the separated discrete density phases. The collection assembly (14) is movable with respect to the bowl (2) such that the collection assembly (14) can be positioned in the bowl (2) to sequentially selectively and individually remove the annular columns from the bowl (2) while the bowl (2) is rotating substantially without disturbing the remaining annular columns within the bowl (2).
摘要翻译：在用于分离多相混合物的方法和装置中，可分离成离散的密度相，圆形碗（2）可围绕中心轴线旋转并具有开口，混合物通过该开口被引入到碗（2）中。碗（2）的旋转分离混合物以形成离散密度相的环形环，收集组件（14）去除分离的离散密度相。收集组件（14）可相对于碗（2）移动，使得收集组件（14）能够定位在碗（2）中，以顺序地选择性地和独立地从碗（2）移除环形柱，同时碗（2）基本上旋转而不干扰碗（2）内的剩余环状柱。

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