METHODS OF DETECTING LOW COPY NUCLEIC ACIDS
    21.
    发明申请
    METHODS OF DETECTING LOW COPY NUCLEIC ACIDS 审中-公开
    检测低拷贝核酸的方法

    公开(公告)号:US20140227709A1

    公开(公告)日:2014-08-14

    申请号:US14252755

    申请日:2014-04-14

    IPC分类号: C12Q1/68

    摘要: Methods are provided for detecting low copy nucleic acids of interest in a sample. In one method, a sample comprising a nucleic acid of interest is aliquotted into a plurality of reaction mixtures, at least two of which are single-copy reaction mixtures. The reaction mixtures are subjected to one or more amplification reactions while flowing through a channel of a microfluidic device. At least one of the reaction mixtures is formulated in an aqueous phase of an emulsion comprising aqueous droplets suspended in an immiscible liquid. The nucleic acid of interest is present as a single copy in at least one aqueous droplet of the aqueous phase prior to performing the amplification reaction(s). Amplification is performed on the reaction mixture when it is formulated in the emulsion. The nucleic acid is continuously flowed during a plurality of steps of the method.

    摘要翻译: 提供了用于检测样品中感兴趣的低拷贝核酸的方法。 在一种方法中,将包含感兴趣的核酸的样品等分成多个反应混合物,其中至少两个是单拷贝反应混合物。 反应混合物在流过微流体装置的通道时进行一次或多次扩增反应。 将至少一种反应混合物配制在包含悬浮在不混溶液体中的水性液滴的乳液的水相中。 感兴趣的核酸在进行扩增反应之前以水相的至少一个水滴形式存在于单拷贝中。 当将其配制在乳液中时,对反应混合物进行扩增。 在该方法的多个步骤期间,核酸连续流动。

    Electrical current for controlling fluid parameters in microchannels
    26.
    发明授权
    Electrical current for controlling fluid parameters in microchannels 有权
    用于控制微通道中流体参数的电流

    公开(公告)号:US06537799B2

    公开(公告)日:2003-03-25

    申请号:US09295961

    申请日:1999-04-21

    IPC分类号: C12M142

    摘要: A novel method and device for transporting and/or monitoring a fluid in a multi-port device 400, 800, 1000 used in a microfluidic system is provided. The multi-port device includes a substrate having a novel channel configuration. A first channel region 413 having a first port and a second port for transporting fluid therebetween is defined in the substrate. A second channel region 421 having a first port and a second port for applying electric current for heating fluid or for monitoring a fluid parameter therebetween is also defined in the substrate. In some embodiments, the first channel intersects 407 with the second channel. The heating or monitoring aspect of the invention can be used with a variety of biological reactions such as PCR, LCR, and others.

    摘要翻译: 提供了用于在微流体系统中使用的多端口装置400,800,1000中用于运输和/或监测流体的新颖方法和装置。 多端口装置包括具有新型通道配置的基板。 在衬底中限定具有用于在其间输送流体的第一端口和第二端口的第一通道区域413。 具有第一端口和第二端口的第二沟道区域421也被限定在衬底中,第一端口和第二端口用于施加用于加热流体的电流或用于监测它们之间的流体参数。 在一些实施例中,第一通道与第二通道相交407。 本发明的加热或监测方面可以用于各种生物反应例如PCR,LCR等。