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Sodium azide has rarely been studied in gas phase or in the form of cluster ions and as a model of solid energetic substances and inorganic azide salt was ionized by electrospray ionization (ESI) and studied by high resolution Fourier transform ion cyclotron resonance (FT-ICR) mass spectrometry (MS) systematically. This paper highlights the effects of experimental conditions on the formation of salt cluster and the collision activation dissociation pathways of cluster ions to develop a microscopic understanding of inorganic azide salt clusters. 相似文献
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Introduction Mass spectrometry (MS) has been an important technique for studying size-dependent cluster properties with unparalleled sensitivity, specificity, and versatil-ity.1,2 Especially Fourier transform ion cyclotron reso-nance (FT-ICR) MS offers the benefits of ultra-high mass resolving power, superior mass accuracy, and the ability of affording useful structure information with tandem MS. The introduction of electrospray ionization (ESI) as a gentle mode of ion generation for MS… 相似文献
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液相色谱/电喷雾质谱(LC/ESI/MS)在蛋白质分析鉴定中的应用 总被引:2,自引:0,他引:2
对液相色谱/电喷雾质谱(LC/ESI/MS)在蛋白质分子量测定、一级结构的分析、蛋白质和多肽纯度的鉴定、肽质量酶谱、蛋白质分子内二硫键的定量和定位、磷酰化位置的测定以及在蛋白质组中的应用等方面进行了综述和讨论。 相似文献
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