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DATA-DEPENDENT SELECTION OF DISSOCIATION TYPE IN A MASS SPECTROMETER

机译:质谱仪中解离类型的数据相关选择

摘要

Methods and apparatus for data-dependent mass spectrometric MS/MS or MSn analysis are disclosed. The methods may include determination of the charge state of an ion species of interest, followed by automated selection of a dissociation type (e.g., CAD, ETD, or ETD followed by a non-dissociative charge reduction or collisional activation) based at least partially on the determined charge state. The ion species of interest is then dissociated in accordance with the selected dissociation type, and an MS/MS or MSn spectrum of the resultant product ions may be acquired.
机译:公开了用于数据相关的质谱MS / MS或MSn分析的方法和设备。该方法可以包括确定感兴趣的离子种类的电荷状态,随后至少部分地基于自动选择解离类型(例如,CAD,ETD或ETD,然后进行非解离电荷减少或碰撞活化)。确定的充电状态。然后,根据所选的离解类型对目标离子进行离解,并可以获取所得产物离子的MS / MS或MSn光谱。

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