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| Content Provider | Springer Nature Link |
|---|---|
| Author | Magrini, Laura Famiglini, Giorgio Palma, Pierangela Termopoli, Veronica Cappiello, Achille |
| Copyright Year | 2015 |
| Abstract | Detection of target and non-target substances and their characterization in complex samples is a challenging task. Here we demonstrate that coating the electron ionization (EI) ion source of an LC-MS system with a sol-gel ceramic film can drastically improve the detection of high-molecular weight and high-boiling analytes. A new ion source coated with a ceramic material was developed and tested with a mixture of polycyclic aromatic hydrocarbons (PAH) with an increasing number of rings. Comparison of the results obtained with those for an uncoated stainless steel (SS) ion source shows a dramatic improvement in the MS signals, with a nearly 40-fold increase of the signal-to-noise ratio. We also demonstrate the ability of the new system to produce excellent chromatographic profiles for hard-to-detect hormones. Graphical Abstract ᅟ |
| Starting Page | 153 |
| Ending Page | 160 |
| Page Count | 8 |
| File Format | |
| ISSN | 10440305 |
| Journal | Journal of The American Society for Mass Spectrometry |
| Volume Number | 27 |
| Issue Number | 1 |
| e-ISSN | 18791123 |
| Language | English |
| Publisher | Springer US |
| Publisher Date | 2015-09-08 |
| Publisher Institution | The American Society for Mass Spectrometry |
| Publisher Place | New York |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | LC-MS Mass spectrometry EI Electron ionization Ion source Ceramic coating Inert surface PAH Polycyclic aromatic hydrocarbons Hormones Sterols Analytical Chemistry Biotechnology Organic Chemistry Proteomics Bioinformatics |
| Content Type | Text |
| Resource Type | Article |
| Subject | Spectroscopy Structural Biology |
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