| Review on evolved gas analysis mass spectrometry with soft photoionization for the chemical description of petroleum, petroleum-derived materials, and alternative feedstocks CP Rüger, O Tiemann, A Neumann, T Streibel, R Zimmermann Energy & Fuels 35 (22), 18308-18332, 2021 | 24 | 2021 |
| Detailed comparison of Xenon APPI (9.6/8.4 eV), Krypton APPI (10.6/10.0 eV), APCI, and APLI (266 nm) for gas chromatography high resolution mass spectrometry of standards and … A Neumann, O Tiemann, HJ Hansen, CP Rüger, R Zimmermann Journal of the American Society for Mass Spectrometry 34 (8), 1632-1646, 2023 | 4 | 2023 |
| Analysis of complex drugs by comprehensive two-dimensional gas chromatography and high-resolution mass spectrometry: detailed chemical description of the active pharmaceutical … L Schwalb, O Tiemann, U Käfer, T Gröger, CP Rüger, G Gayko, ... Analytical and Bioanalytical Chemistry 415 (13), 2471-2481, 2023 | 3 | 2023 |
| Applying a risk assessment guided evaluation for verifying comprehensive two-dimensional gas chromatography to analyse complex pharmaceuticals L Schwalb, O Tiemann, U Käfer, CP Rüger, T Gröger, R Zimmermann Analytical and Bioanalytical Chemistry 416 (4), 1033-1045, 2024 | 1 | 2024 |
| Rock-to-Pharma: Characterization of Shale Oil-Based Nonbiological Complex Drugs along the Production Process by High-Resolution Mass Spectrometry O Tiemann, CP Rüger, L Schwalb, ML Chacón-Patiño, T Gröger, ... Analytical Chemistry, 2024 | | 2024 |
