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    Devices and methods for adaptive micro-gas chromatography
    8.
    发明授权
    Devices and methods for adaptive micro-gas chromatography 有权
    适应性微气相色谱的装置和方法

    公开(公告)号：US09341604B2

    公开(公告)日：2016-05-17

    申请号：US14357157

    申请日：2012-11-08

    申请人： THE REGENTS OF THE UNIVERSITY OF MICHIGAN

    发明人： Xudong Fan ,  Yogesh B. Gianchandani ,  Jing Liu

    IPC分类号： G01N30/46 ,  G01N30/60 ,  G01N30/72

    CPC分类号： G01N30/461 ,  G01N30/46 ,  G01N30/463 ,  G01N30/465 ,  G01N30/466 ,  G01N30/468 ,  G01N30/6095 ,  G01N30/72

    摘要： The present disclosure provides adaptive methods for gas chromatography analysis of a gas sample comprising one or more target analytes (such as a micro-gas chromatography) and adaptive gas chromatography devices for carrying out such analytical methods. Broadly, the system can regulate flow into a downstream chromatographic column by detecting one or more upstream conditions. For example, one adaptive chromatography device comprises a first column, a modulator component, and a second column. A first detector or sensor detects the presence of target analytes upstream from the second column, while a second detector detects the presence of target analytes eluted from the second column. The modulator component assembly is responsive to an output generated by the first detector and adaptively regulates fluid flow into the second column. Such adaptive chromatography (micro-GC) systems have higher separation speed, better analyte identification capability, and far greater energy savings.

    摘要翻译： 本公开提供了用于气体样品的气相色谱分析的自适应方法，所述气体样品包含一种或多种靶分析物（例如微气相色谱）和用于进行这种分析方法的适应性气相色谱装置。 通常，系统可以通过检测一个或多个上游条件来调节流入下游色谱柱的流量。 例如，一个自适应色谱装置包括第一列，调制器组件和第二列。 第一检测器或传感器检测来自第二列上游的目标分析物的存在，而第二检测器检测从第二列洗脱的目标分析物的存在。 调制器部件组件响应于由第一检测器产生的输出并且自适应地调节流入第二列的流体流。 这种自适应色谱（micro-GC）系统具有更高的分离速度，更好的分析物识别能力和更大的能量节省。

    VALVE AND SPLITTING SYSTEM FOR MULTI-DIMENSIONAL LIQUID ANALYSIS
    9.
    发明申请
    VALVE AND SPLITTING SYSTEM FOR MULTI-DIMENSIONAL LIQUID ANALYSIS 审中-公开
    用于多维液体分析的阀和分离系统

    公开(公告)号：US20160131619A1

    公开(公告)日：2016-05-12

    申请号：US14996784

    申请日：2016-01-15

    申请人： Regents of the University of Minnesota

    发明人： Carl W. Sims ,  Peter W. Carr ,  Marcelo Roberto Filgueira ,  Klaus Witt

    IPC分类号： G01N30/46 ,  G01N30/32 ,  G01N30/10

    CPC分类号： G01N30/463 ,  G01N30/10 ,  G01N30/32 ,  G01N30/465 ,  G01N30/7233 ,  G01N2030/324

    摘要： A multi-dimensional liquid analysis system includes a flow splitter for separating mobile phase outflow from a first dimension liquid analysis system into fist and second liquid split outlet flows. Volumetric flow rate control of the split outlet flows is provided by a flow control pump which withdraws one of the split outlet flows from the flow splitter at a controlled withdrawal flow rate to define the other split outlet flow rate as the difference between the outflow rate from the first dimension system and the withdrawal flow rate. In this manner, accurate and consistent flow division can be accomplished, which is particularly useful for multi-dimensional liquid analysis.

    摘要翻译： 多维液体分析系统包括分流器，用于将流动相流出物与第一维液体分析系统分离成第一和第二液体分流出口流。 分流出口流量的体积流量控制由流量控制泵提供，流量控制泵以受控的排出流量从分流器中抽出一个分流出口流，以将另一个分流出口流量定义为流出速率 第一维系统和提取流量。 以这种方式，可以实现精确和一致的流动分配，这对于多维液体分析特别有用。

    DATA PROCESSING DEVICE FOR COMPREHENSIVE TWO-DIMENSIONAL CHROMATOGRAPH
    10.
    发明申请
    DATA PROCESSING DEVICE FOR COMPREHENSIVE TWO-DIMENSIONAL CHROMATOGRAPH 审中-公开
    用于全面二维色谱的数据处理设备

    公开(公告)号：US20150346171A1

    公开(公告)日：2015-12-03

    申请号：US14438259

    申请日：2012-10-25

    申请人： SHIMADZU CORPORATION

    发明人： Megumi HIROOKA

    IPC分类号： G01N30/86

    CPC分类号： G01N30/8651 ,  G01N30/463 ,  G01N30/8675 ,  G01N2030/8854

    摘要： In a GC×GC data processor (23), a modulation time estimation unit (24) creates a one-dimensional chromatogram from chromatogram data items collected by a comprehensive two-dimensional GC, and retrieves a shift time on which a peak position after an entire curve of the chromatogram being shifted in a temporal axis direction coincides with a peak position of the peak on the original chromatogram. Since the resolution of a primary column (12) is low, the same compound is introduced into a secondary column (14) in consecutive modulation times. Accordingly, on the one-dimensional chromatogram, peaks originating from the same compound appear in the respective consecutive modulation times. The interval between the peaks substantially coincides with the modulation time. Therefore, the shift time retrieved as described above is regarded as the modulation time. Thus, the modulation time is automatically estimated from the chromatogram data items, thereby negating the need of user input or capture from an analysis control unit (3).

    摘要翻译： 在GC×GC数据处理器（23）中，调制时间估计单元（24）从通过综合二维GC收集的色谱图数据项创建一维色谱图，并且检索在其之后的峰值位置 色谱图在时间轴方向上移动的整个曲线与原始色谱图上的峰的峰位置一致。 由于主列（12）的分辨率低，所以在连续调制时间内将相同的化合物引入第二列（14）。 因此，在一维色谱图上，源自相同化合物的峰出现在相应的连续调制时间内。 峰之间的间隔基本上与调制时间一致。 因此，如上所述检索的移位时间被认为是调制时间。 因此，从色谱数据项自动地估计调制时间，从而不需要用户从分析控制单元（3）输入或捕获。