Mass spectrometer
    2.
    发明授权
    Mass spectrometer 有权
    质谱仪

    公开(公告)号:US08519331B2

    公开(公告)日:2013-08-27

    申请号:US12528173

    申请日:2008-02-21

    IPC分类号: H01J49/42 H01J49/00

    摘要: A mass spectrometer is disclosed comprising a 2D or 3D ion trap. The 2D ion trap comprises a quadrupole rod set ion trap wherein a slot is provided in each of the rods to allow ions to be ejected radially from the ion trap. The 3D ion trap comprises a central ring electrode which is radially segmented and wherein a slot is provided in each radial segment to allow ions to be ejected radially from the ion trap. Ions having different mass to charge ratios and/or opposite polarities may be simultaneously ejected from the ion trap via different exit pathways.

    摘要翻译: 公开了包括2D或3D离子阱的质谱仪。 2D离子阱包括四极杆组离子阱,其中在每个棒中设置有槽,以允许离子从离子阱径向喷射。 3D离子阱包括径向分段的中心环电极,并且其中在每个径向段中设置狭槽以允许离子从离子阱径向喷射。 具有不同质荷比和/或相反极性的离子可以通过不同的出口通道从离子阱同时喷出。

    Mass Spectrometer
    4.
    发明申请
    Mass Spectrometer 有权
    质谱仪

    公开(公告)号:US20110057097A1

    公开(公告)日:2011-03-10

    申请号:US12528173

    申请日:2008-02-21

    IPC分类号: H01J49/42 H01J49/00

    摘要: A mass spectrometer is disclosed comprising a 2D or 3D ion trap. The 2D ion trap comprises a quadrupole rod set ion trap wherein a slot is provided in each of the rods 1 to allow ions to be ejected radially from the ion trap. The 3D ion trap comprises a central ring electrode which is radially segmented and wherein a slot is provided in each radial segment to allow ions to be ejected radially from the ion trap. Ions having different mass to charge ratios and/or opposite polarities may be simultaneously ejected from the ion trap via different exit pathways.

    摘要翻译: 公开了包括2D或3D离子阱的质谱仪。 2D离子阱包括四极棒组离子阱,其中在每个棒1中设置槽,以允许离子从离子阱径向喷射。 3D离子阱包括径向分段的中心环电极,并且其中在每个径向段中设置狭槽以允许离子从离子阱径向喷射。 具有不同质荷比和/或相反极性的离子可以通过不同的出口通道从离子阱同时喷出。

    MASS SPECTROMETER
    7.
    发明申请
    MASS SPECTROMETER 有权
    质谱仪

    公开(公告)号:US20100294923A1

    公开(公告)日:2010-11-25

    申请号:US12445774

    申请日:2007-10-16

    IPC分类号: H01J49/26 H01J49/06

    摘要: A collision or fragmentation cell (4) is disclosed comprising a plurality of electrodes wherein a first RF voltage (7a) is applied to an upstream group of electrodes and a second different RF voltage (7b) is applied to a downstream group of electrodes. The radial confinement of parent ions entering the collision or fragmentation cell (4) is optimised by the first RF voltage applied to the upstream group of electrodes and the radial confinement of daughter or fragment ions produced within the collision or fragmentation cell (4) is optimised by the second different RF voltage applied to the downstream group of electrodes.

    摘要翻译: 公开了一种碰撞或分裂单元(4),其包括多个电极,其中将第一RF电压(7a)施加到上游电极组,并且将第二不同RF电压(7b)施加到下游电极组。 通过施加到上游电极组的第一RF电压来优化进入碰撞或破碎电池(4)的母体离子的径向约束,并且优化在碰撞或断裂电池(4)内产生的子或碎片离子的径向约束 通过施加到下游组电极的第二不同RF电压。

    Method Of Deadtime Correction in Mass Spectrometry
    9.
    发明申请
    Method Of Deadtime Correction in Mass Spectrometry 审中-公开
    质谱法死亡时间校正方法

    公开(公告)号:US20140005970A1

    公开(公告)日:2014-01-02

    申请号:US13977863

    申请日:2012-01-09

    IPC分类号: H01J49/00

    CPC分类号: H01J49/0036

    摘要: A method of improving the fidelity of m/z dependent and/or intensity measurements for a species of interest in an analyte to correct for hardware limitations within a mass spectrometer, which method comprises the steps of acquiring raw data produced by a mass spectrometer, identifying a region within the raw data that relates to the species of interest, forming a mathematical model to calculate the joint probability distribution of the parameters effecting the m/z dependent and/or intensity measurements, analytically obtaining samples from the joint probability distribution to produce corrected or refined m/z dependent and/or intensity measurements with associated uncertainties.

    摘要翻译: 一种提高分析物感兴趣的物种的m / z依赖和/或强度测量的保真度以校正质谱仪内的硬件限制的方法,该方法包括以下步骤:获取由质谱仪产生的原始数据,识别 原始数据中与感兴趣物种相关的区域,形成数学模型以计算影响m / z依赖和/或强度测量的参数的联合概率分布,从联合概率分布中分析获取样本以产生校正的 或精确的m / z依赖和/或强度测量与相关的不确定性。

    Method Of Deadtime Correction In Mass Spectrometry
    10.
    发明申请
    Method Of Deadtime Correction In Mass Spectrometry 审中-公开
    质谱中死时间校正方法

    公开(公告)号:US20130317756A1

    公开(公告)日:2013-11-28

    申请号:US13977861

    申请日:2012-01-09

    IPC分类号: H01J49/00

    CPC分类号: H01J49/0036

    摘要: A method of improving the fidelity of m/z dependent measurements for a species of interest in an analyte in a mass spectrometer, which method comprises the steps of acquiring raw data produced in a mass spectrometer, identifying a region within the raw data that relates to the species of interest, forming a mathematical model to calculate the joint probability distribution of the parameters effecting the m/z dependent measurements, analytically obtaining samples from the joint probability distribution to produce corrected or refined m/z dependent measurements with associated uncertainties.

    摘要翻译: 一种提高质谱仪中分析物中感兴趣的物种的m / z依赖性测量的保真度的方法,该方法包括以下步骤:获取在质谱仪中产生的原始数据,识别与原始数据相关的原始数据中的区域 形成感兴趣的物种,形成一个数学模型,以计算影响m / z依赖性测量的参数的联合概率分布,从联合概率分布中分析获得样本,以产生具有相关不确定性的校正或精确的m / z相关度量。