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    • 6. 发明授权
    • Systems and methods for baseline correction using non-linear normalization
    • 使用非线性归一化进行基线校正的系统和方法
    • US08005628B2
    • 2011-08-23
    • US12022087
    • 2008-01-29
    • Stephen J. Gunstream
    • Stephen J. Gunstream
    • G06F19/00
    • C12Q1/6851G01N21/274G01N21/6428G01N21/6486G01N2021/6439G01N2021/6441G01N2201/12G01N2201/12746G06F19/22C12Q2545/113C12Q2545/101
    • Systems and methods for normalizing detected emission data collected in real-time polymerase chain reaction (RT-PCR) and other reactions, are provided. In some embodiments, a sample plate can be loaded with a fluorescent dye and subjected to a real-time PCR reaction. During the initial cycles, detected emissions that correspond to the background signal contributed by the plate, buffer, and other non-reactant pieces of the reaction system and chemistry can be identified. The raw emission data can be normalized by dividing the emission data by the identified baseline signal. According to various embodiments, the normalized amplification profile can normalize to an initial value of 1, because the actual signal emerges from the baseline at the point exponential growth begins. A normalized amplification profile based on a ratio to the baseline can create a more uniformly scaled amplification curve across different samples, filters, wells, dyes, or machines.
    • 提供了在实时聚合酶链反应(RT-PCR)和其他反应中收集的检测到的排放数据归一化的系统和方法。 在一些实施方案中,样品板可以装载荧光染料并进行实时PCR反应。 在初始循环期间,可以鉴定出与反应体系和化学物质的板,缓冲液和其它非反应物片段所贡献的背景信号相对应的检测到的排放物。 可以通过将发射数据除以所识别的基线信号来对原始发射数据进行归一化。 根据各种实施例,归一化放大曲线可以归一化为初始值1,因为实际信号在指数增长点开始从基线出现。 基于与基线的比率的归一化扩增曲线可以在不同样品,滤器,孔,染料或机器上产生更均匀的缩放扩增曲线。
    • 10. 发明申请
    • Systems and Methods for Calibration Using Dye Signal Amplification
    • 使用染料信号扩增校准的系统和方法
    • US20080182263A1
    • 2008-07-31
    • US12022079
    • 2008-01-29
    • Stephen J. Gunstream
    • Stephen J. Gunstream
    • C12Q1/68C12M1/00
    • C12Q1/6851G01N21/274G01N21/6428G01N21/6486G01N2021/6439G01N2021/6441G01N2201/12G01N2201/12746G16B30/00C12Q2545/113C12Q2545/101
    • The present teachings relate to a method of generating calibration information during a real-time polymerase chain reaction (RT-PCR) or other amplification reaction. A sample well plate or other support can contain one or more dyes or other reference materials that are subjected to the same RT-PCR thermal cycles or other conditions used to conduct amplification or other reactions on a biological sample. A set of maxima values and a set of minimum values, and/or other calibration information useful for adjusting emission data for sample dyes can be recorded, for example, for 10 cycles, 20 cycles, or each cycle of a complete RT-PCR run. Such testing of dye response under realistic operating conditions can enable more accurate characterization of plate, dye, filter, or instrument response and therefore more accurate calibration corrections and other and/or adjustments.
    • 本教导涉及在实时聚合酶链反应(RT-PCR)或其他扩增反应期间产生校准信息的方法。 样品孔板或其它载体可以含有一种或多种经受相同RT-PCR热循环或用于在生物样品上进行扩增或其他反应的其他条件的染料或其它参考物质。 可以记录一组最大值和一组最小值,和/或可用于调整样品染料的发射数据的其他校准信息,例如10个循环,20个循环或完整RT-PCR运行的每个循环 。 在真实的操作条件下对染料响应的这种测试可以实现板,染料,过滤器或仪器响应的更精确的表征,因此可以进行更精确的校准校正和其他和/或调整。