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    • 4. 发明授权
    • Adaptive thermal block temperature control method and system
    • 自适应热块温度控制方法和系统
    • US08871470B2
    • 2014-10-28
    • US12053416
    • 2008-03-21
    • Chee Kiong LimChee Wee Ching
    • Chee Kiong LimChee Wee Ching
    • C12P19/34G05D23/32B01L7/00
    • B01J19/0046B01L7/52B01L2200/147B01L2300/1827C12P19/34G05D23/32
    • Aspects of the present teachings describe a method and apparatus for automatically controlling a block temperature to reduce undershooting and overshooting of the temperatures of a sample contained in the block and participating in a polymerase chain reaction (PCR). The adaptive thermal block temperature control begins when a sample temperature enters a sample window region between a preliminary setpoint temperature and a target setpoint temperature for the sample. Based on thermodynamic behavior of the sample and the predetermined phase of PCR, predicting a time period measured subsequent to the preliminary setpoint temperature when the sample will reach the target setpoint suitable for the predetermined phase of PCR. During this time period, varying the block temperature ramp rate with a series of cooling and heating changes to ensure the block temperature reaches the target setpoint temperature at approximately the same time as the sample reaches the same. Synchronizing the block temperature and sample temperature to the target setpoint temperature reduces undershooting and overshooting of the sample temperature and increases the speed and efficiency of the overall PCR process as it relates to the thermal cycling operations.
    • 本教导的方面描述了用于自动控制块温度以减少包含在块中并参与聚合酶链式反应(PCR)的样品的低温和过冲的方法和装置。 当样品温度进入样品的初步设定点温度和目标设定点温度之间的采样窗口区域时,自适应热块温度控制开始。 基于样品的热力学行为和PCR的预定阶段,预测当样品将达到适合于预定阶段的PCR的目标设定点时初始设定点温度之后测量的时间段。 在此期间,通过一系列冷却和加热变化来改变块温度升高速率,以确保块体温度在与样品达到相同时间大致相同的时间达到目​​标设定点温度。 将块温度和样品温度同步到目标设定点温度可降低样品温度的下冲和过冲,并提高整个PCR过程的速度和效率,因为它与热循环操作有关。
    • 6. 发明授权
    • Thermal uniformity for thermal cycler instrumentation using dynamic control
    • 热循环仪器的热均匀性采用动态控制
    • US09566583B2
    • 2017-02-14
    • US13082888
    • 2011-04-08
    • Thomas ConnerChee Kiong LimMichael PallasChee Wee Ching
    • Thomas ConnerChee Kiong LimMichael PallasChee Wee Ching
    • C12Q3/00C12M1/40B01L7/00
    • B01L7/52B01L2200/147B01L2300/1822B01L2300/1894
    • A method for performing polymerase chain reactions (PCR) for improving thermal non-uniformity is provided. The method includes measuring a first temperature, by a first sensor, of a first sample block sector of a sample block and measuring a second temperature, by a second sensor, of a second sample block sector of the sample block that is adjacent to the first sample block sector. The method further includes calculating, by a thermoelectric controller, a difference in temperature between the first temperature and the second temperature and adjusting, by the thermoelectric controller, the first temperature of the first sample block sector based on the difference in temperature by using one or more thermoelectric coolers. The one or more thermoelectric coolers is configured to heat or cool the first sample block sector by adjusting power output from the thermoelectric controller.
    • 提供了一种用于提高热不均匀性的聚合酶链反应(PCR)的方法。 该方法包括通过第一传感器测量样品块的第一样品块扇区的第一温度,并通过第二传感器测量与第一样品块相邻的样品块的第二样品块扇区的第二温度 样品块部门。 该方法还包括通过热电控制器计算第一温度和第二温度之间的温度差,并且由热电控制器通过使用一个或多个温度控制器来调节基于温差的第一样品块扇区的第一温度 更多热电冷却器。 一个或多个热电冷却器被配置为通过调节从热电控制器输出的功率来加热或冷却第一样品块扇区。
    • 7. 发明申请
    • THERMAL UNIFORMITY FOR THERMAL CYCLER INSTRUMENTATION USING DYNAMIC CONTROL
    • 使用动态控制的热循环仪器的热均匀性
    • US20110275055A1
    • 2011-11-10
    • US13082888
    • 2011-04-08
    • Thomas CONNERChee Kiong LimMichael PallasChee Wee Ching
    • Thomas CONNERChee Kiong LimMichael PallasChee Wee Ching
    • C12Q3/00C12M1/40
    • B01L7/52B01L2200/147B01L2300/1822B01L2300/1894
    • A method for performing polymerase chain reactions (PCR) for improving thermal non-uniformity is provided. The method includes measuring a first temperature, by a first sensor, of a first sample block sector of a sample block and measuring a second temperature, by a second sensor, of a second sample block sector of the sample block that is adjacent to the first sample block sector. The method further includes calculating, by a thermoelectric controller, a difference in temperature between the first temperature and the second temperature and adjusting, by the thermoelectric controller, the first temperature of the first sample block sector based on the difference in temperature by using one or more thermoelectric coolers. The one or more thermoelectric coolers is configured to heat or cool the first sample block sector by adjusting power output from the thermoelectric controller.
    • 提供了一种用于提高热不均匀性的聚合酶链反应(PCR)的方法。 该方法包括通过第一传感器测量样品块的第一样品块扇区的第一温度,并通过第二传感器测量与第一样品块相邻的样品块的第二样品块扇区的第二温度 样品块部门。 该方法还包括通过热电控制器计算第一温度和第二温度之间的温度差,并且由热电控制器通过使用一个或多个温度控制器来调节基于温差的第一样品块扇区的第一温度 更多热电冷却器。 一个或多个热电冷却器被配置为通过调节从热电控制器输出的功率来加热或冷却第一样品块扇区。
    • 8. 发明申请
    • Adaptive Thermal Block Temperature Control Method and System
    • 自适应热块温度控制方法和系统
    • US20080248534A1
    • 2008-10-09
    • US12053416
    • 2008-03-21
    • Chee Kiong LimChee Wee Ching
    • Chee Kiong LimChee Wee Ching
    • C12P19/34C12M1/02
    • B01J19/0046B01L7/52B01L2200/147B01L2300/1827C12P19/34G05D23/32
    • Aspects of the present teachings describe a method and apparatus for automatically controlling a block temperature to reduce undershooting and overshooting of the temperatures of a sample contained in the block and participating in a polymerase chain reaction (PCR). The adaptive thermal block temperature control begins when a sample temperature enters a sample window region between a preliminary setpoint temperature and a target setpoint temperature for the sample. Based on thermodynamic behavior of the sample and the predetermined phase of PCR, predicting a time period measured subsequent to the preliminary setpoint temperature when the sample will reach the target setpoint suitable for the predetermined phase of PCR. During this time period, varying the block temperature ramp rate with a series of cooling and heating changes to ensure the block temperature reaches the target setpoint temperature at approximately the same time as the sample reaches the same. Synchronizing the block temperature and sample temperature to the target setpoint temperature reduces undershooting and overshooting of the sample temperature and increases the speed and efficiency of the overall PCR process as it relates to the thermal cycling operations.
    • 本教导的方面描述了用于自动控制块温度以减少包含在块中并参与聚合酶链式反应(PCR)的样品的低温和过冲的方法和装置。 当样品温度进入样品的初步设定点温度和目标设定点温度之间的采样窗口区域时,自适应热块温度控制开始。 基于样品的热力学行为和PCR的预定阶段,预测当样品将达到适合于预定阶段的PCR的目标设定点时初始设定点温度之后测量的时间段。 在此期间,通过一系列冷却和加热变化来改变块温度升高速率,以确保块体温度在与样品达到相同时间大致相同的时间达到目​​标设定点温度。 将块温度和样品温度同步到目标设定点温度可降低样品温度的下冲和过冲,并提高整个PCR过程的速度和效率,因为它与热循环操作有关。