Linden CMS, Auf dem Berge 25, 28844 Leeste, Germany.
J Am Soc Mass Spectrom. 2011 Dec;22(12):2137-44. doi: 10.1007/s13361-011-0259-9. Epub 2011 Oct 18.
A new type of combination ion source has been devised. It unites two complementary ionization methods, i.e., liquid injection field desorption/ionization (LIFDI) and electrospray ionization (ESI). This LIFDI-ESI combination ion source has been constructed for a Fourier transform ion cyclotron resonance (FT-ICR) mass spectrometer. The LIFDI-ESI combination ion source can be switched between the LIFDI and ESI modes of operation within 15 min without breaking the vacuum. The source design and its operation are described. LIFDI-FT-ICR spectra of the ionic liquid trihexyl(tetradecyl)-phosphonium tris(pentafluoroethyl)-trifluorophosphate, polyethylene glycol 600, 2,3,4-tridodecyloxy-benzaldehyde, and [60]fullerene are described.
设计了一种新型的组合离子源。它结合了两种互补的电离方法，即液体喷射场解吸/电离（LIFDI）和电喷雾电离（ESI）。这种 LIFDI-ESI 组合离子源已为傅里叶变换离子回旋共振（FT-ICR）质谱仪构建。LIFDI-ESI 组合离子源可以在不破坏真空的情况下在 15 分钟内从 LIFDI 和 ESI 操作模式之间切换。描述了源设计及其操作。描述了离子液体三己基（十四烷基）-膦酸三（五氟乙基）三氟磷酸盐、聚乙二醇 600、2,3,4-三（十二烷氧基）-苯甲醛和 [60]富勒烯的 LIFDI-FT-ICR 光谱。
