-
公开(公告)号：US08952320B2
公开(公告)日：2015-02-10
申请号：US11719665
申请日：2005-11-18
CPC分类号： H01J49/4215 , H01J49/428
摘要： A mass spectrometer is disclosed comprising a quadrupole rod set ion guide or mass filter device (6). A broadband frequency signal (10) having one or more notches (11a, 11b, 11c) is applied to the rods of the quadrupole rod set (6). The notched broadband frequency signal (10) causes undesired ions to be resonantly ejected from the ion guide (6). The notched broadband frequency signal (10) has frequency components missing which correspond with the resonance frequency of ions which are desired to be onwardly transmitted. The ion guide or mass filter device (6) enables a plurality of desired ions having different mass to charge ratios to be simultaneously transmitted by the ion guide or mass filter device (6) whilst other ions are resonantly ejected from the ion guide or mass filter device (6).
摘要翻译： 公开了一种质谱仪，其包括四极杆离子导向器或质量过滤装置（6）。 具有一个或多个凹口（11a，11b，11c）的宽频率信号（10）被施加到四极杆组（6）的杆上。 有缺口的宽带频率信号（10）使不想要的离子从离子导向器（6）共振地弹出。 缺口宽带频率信号（10）具有与期望向前发射的离子的谐振频率相对应的频率分量。 离子导向器或质量过滤装置（6）使得具有不同质荷比的多个所需离子能够由离子导向器或质量过滤装置（6）同时传输，而其它离子从离子导向器或质量过滤器 装置（6）。
-
公开(公告)号：US20090194688A1
公开(公告)日：2009-08-06
申请号：US11719665
申请日：2005-11-18
CPC分类号： H01J49/4215 , H01J49/428
摘要： A mass spectrometer is disclosed comprising a quadrupole rod set ion guide or mass filter device (6). A broadband frequency signal (10) having one or more notches (11a, 11b, 11c) is applied to the rods of the quadrupole rod set (6). The notched broadband frequency signal (10) causes undesired ions to be resonantly ejected from the ion guide (6). The notched broadband frequency signal (10) has frequency components missing which correspond with the resonance frequency of ions which are desired to be onwardly transmitted. The ion guide or mass filter device (6) enables a plurality of desired ions having different mass to charge ratios to be simultaneously transmitted by the ion guide or mass filter device (6) whilst other ions are resonantly ejected from the ion guide or mass filter device (6).
摘要翻译： 公开了一种质谱仪，其包括四极杆离子导向器或质量过滤装置（6）。 具有一个或多个凹口（11a，11b，11c）的宽频率信号（10）被施加到四极杆组（6）的杆上。 有缺口的宽带频率信号（10）使不想要的离子从离子导向器（6）共振地弹出。 缺口宽带频率信号（10）具有与期望向前发射的离子的谐振频率相对应的频率分量。 离子导向器或质量过滤装置（6）使得具有不同质荷比的多个所需离子能够由离子导向器或质量过滤装置（6）同时传输，而其它离子从离子导向器或质量过滤器 装置（6）。
-
公开(公告)号：US20090173877A1
公开(公告)日：2009-07-09
申请号：US12092601
申请日：2005-11-10
CPC分类号： H01J49/004 , G01N27/622 , H01J49/0031 , H01J49/42
摘要： A mass spectrometer is disclosed comprising a first ion trap or ion guide (2), a single ion mobility spectrometer or separator stage (3) and a second ion trap or ion guide (4) arranged downstream of the ion mobility spectrometer or separator (3). In a mode of operation ions from the second ion trap or ion guide (4) are passed from the second ion trap or ion guide back upstream to the ion mobility spectrometer or separator (3).
摘要翻译： 公开了一种质谱仪，其包括第一离子阱或离子导向器（2），单离子迁移谱仪或分离器级（3）和设置在离子迁移谱仪或分离器（3）的下游的第二离子阱或离子导向器 ）。 在操作模式中，来自第二离子阱或离子导向器（4）的离子从第二离子阱或离子导向器返回到离子迁移谱仪或分离器（3）的上游。
-
公开(公告)号：US09685313B2
公开(公告)日：2017-06-20
申请号：US12514972
申请日：2007-11-15
CPC分类号： H01J49/4215 , G01N27/622 , H01J49/004 , H01J49/426
摘要： A mass spectrometer is disclosed comprising an ion mobility spectrometer and an ion gate. A collision cell is arranged downstream of the ion gate. The operation of the ion mobility spectrometer and the ion gate are synchronised so that only ions having a particular mass to charge ratio and a desired charge state are onwardly transmitted to the collision cell.
-
公开(公告)号：US09607820B2
公开(公告)日：2017-03-28
申请号：US12306162
申请日：2007-06-25
CPC分类号： H01J49/429 , G01N27/622 , H01J49/0031 , H01J49/004
摘要： A mass spectrometer includes an ion mobility spectrometer or separator arranged upstream of a collision or fragmentation cell. Ions are separated according to their ion mobility within the ion mobility spectrometer or separator. The kinetic energy of the ions exiting the ion mobility spectrometer or separator is increased substantially linearly with time in order to optimize the fragmentation energy of ions as they enter the collision or fragmentation cell. During the time that the potential of the ion mobility spectrometer or separator is being varied, the potential of ion-optical components upstream of the ion mobility spectrometer or separator such as an ion source, ion guide, quadrupole mass filter, optional second collision or fragmentation cell and an ion trapping device are kept constant.
-
公开(公告)号：US09281171B2
公开(公告)日：2016-03-08
申请号：US11721260
申请日：2005-12-08
申请人： Robert Harold Bateman , Kevin Giles , Jeffery Mark Brown , Steven Derek Pringle , Jason Lee Wildgoose
发明人： Robert Harold Bateman , Kevin Giles , Jeffery Mark Brown , Steven Derek Pringle , Jason Lee Wildgoose
CPC分类号： H01J49/062 , H01J49/004
摘要： A mass spectrometer is disclosed comprising a mass selective ion trap or mass analyzer arranged upstream of an ion guide. Ions are scanned out of the mass selective ion trap or mass analyzer and are received in one or more axial potential wells created or formed within the ion guide. One or more transient DC voltages or potentials are preferably applied to the ion guide in order to create a plurality of axial potential wells which are translated along the length of the ion guide. Ions are released in packets from the exit of the ion guide and are orthogonally acceleration into a drift or flight region of an orthogonal acceleration Time of Flight mass analyzer with a relatively high duty cycle.
摘要翻译： 公开了一种质谱仪，其包括布置在离子导向器上游的质量选择性离子阱或质量分析器。 离子从质量选择性离子阱或质量分析器扫描出来，并被接收在一个或多个在离子导向器内产生或形成的轴向势阱中。 优选地将一个或多个瞬态DC电压或电位施加到离子导向器，以便产生沿离子导向件的长度平移的多个轴向势阱。 离子从离子导向器的出口释放出来的离子，并且正交加速到相对较高占空比的正交加速时间飞行质量分析器的漂移或飞行区域。
-
公开(公告)号：US20100065733A1
公开(公告)日：2010-03-18
申请号：US12306162
申请日：2007-06-25
CPC分类号： H01J49/429 , G01N27/622 , H01J49/0031 , H01J49/004
摘要： A mass spectrometer is disclosed comprising an ion mobility spectrometer or separator (6) arranged upstream of a collision or fragmentation cell (8). Ions are separated according to their ion mobility within the ion mobility spectrometer or separator (6). The kinetic energy of the ions exiting the ion mobility spectrometer or separator (6) is increased substantially linearly with time in order to optimise the fragmentation energy of ions as they enter the collision or fragmentation cell (8). During the time that the potential of the ion mobility spectrometer or separator (6) is being varied, the potential of ion-optical components upstream of the ion mobility spectrometer or separator (6) such as an ion source (1), ion guide (2), quadrupole mass filter (3), optional second collision or fragmentation cell (4) and an ion trapping device (5) are kept constant.
摘要翻译： 公开了一种质谱仪，其包括设置在碰撞或分裂单元（8）的上游的离子迁移谱仪或分离器（6）。 根据离子迁移谱仪或分离器（6）内的离子迁移率分离离子。 离子离子迁移谱仪或分离器（6）离子的动能随着时间的推移基本线性地增加，以优化离子进入碰撞或破碎电池（8）时的碎裂能。 在离子迁移谱仪或分离器（6）的电位变化的时间内，离子迁移谱仪或分离器（6）上游离子光学部件的离子源（1），离子导向器 2），四极质量过滤器（3），任选的第二碰撞或碎裂单元（4）和离子捕获装置（5）保持恒定。
-
公开(公告)号：US09281172B2
公开(公告)日：2016-03-08
申请号：US12094561
申请日：2006-12-07
CPC分类号： G01N27/622 , H01J49/062
摘要： A closed-loop ion guide is disclosed comprising a plurality of electrodes having apertures through which ions are transmitted in use. Ions are injected into the closed-loop ion guide and may make several circuits of the closed-loop ion guide before being ejected from the ion guide. In a mode of operation the ion guide may be arranged to separate ions temporally according to their ion mobility.
摘要翻译： 公开了一种闭环离子导向器，其包括具有孔的多个电极，在使用中通过该孔具有离子。 离子被注入到闭环离子导向器中，并且可以在从离子导向器喷射之前使闭环离子导向器的几个电路。 在一种操作模式中，离子导向器可以根据其离子迁移率临时分离离子。
-
公开(公告)号：US08952323B2
公开(公告)日：2015-02-10
申请号：US12092601
申请日：2006-11-10
CPC分类号： H01J49/004 , G01N27/622 , H01J49/0031 , H01J49/42
摘要： A mass spectrometer is disclosed comprising a first ion trap or ion guide (2), a single ion mobility spectrometer or separator stage (3) and a second ion trap or ion guide (4) arranged downstream of the ion mobility spectrometer or separator (3). In a mode of operation ions from the second ion trap or ion guide (4) are passed from the second ion trap or ion guide back upstream to the ion mobility spectrometer or separator (3).
摘要翻译： 公开了一种质谱仪，其包括第一离子阱或离子导向器（2），单离子迁移谱仪或分离器级（3）和设置在离子迁移谱仪或分离器（3）的下游的第二离子阱或离子导向器 ）。 在操作模式中，来自第二离子阱或离子导向器（4）的离子从第二离子阱或离子导向器返回到离子迁移谱仪或分离器（3）的上游。
-
公开(公告)号：US20110042565A1
公开(公告)日：2011-02-24
申请号：US12917720
申请日：2010-11-02
IPC分类号： H01J49/40
CPC分类号： G01N27/622 , H01J49/0027 , H01J49/0031 , H01J49/004 , H01J49/0045 , H01J49/02 , H01J49/062 , H01J49/065 , H01J49/066 , H01J49/40 , H01J49/401 , H01J49/42
摘要： A mass spectrometer is disclosed comprising an ion mobility spectrometer or separator 4 and an ion guide 6 arranged downstream of the ion mobility spectrometer or separator 4. A plurality of axial potential wells are created in the ion guide 6 so that ions received from the ion mobility spectrometer or separator 4 become confined in separate axial potential wells. The potential wells maintain the fidelity and/or composition of ions received from the ion mobility spectrometer or separator 4. The potential wells are translated along the length of the ion guide 6.
摘要翻译： 公开了一种质谱仪，其包括离子迁移谱仪或分离器4和布置在离子迁移谱仪或分离器4下游的离子导向器6.在离子导向器6中产生多个轴向势阱，使得从离子迁移率 光谱仪或分离器4被限制在单独的轴向势阱中。 势阱保持从离子迁移谱仪或分离器4接收的离子的保真度和/或组成。势阱沿离子导向器6的长度平移。
-
-
-
-
-
-
-
-
-
搜索结果
97 条记录 (耗时 0.026 秒)
