*Based on papers [11]–[13], [18], [35].**Based on [12], [18] and our own observations. Frequencies indicated in bold type refer to the peaks discussed in the text.
Data set of the Publication: Krauss, Martin, Carolin Huber, Tobias Schulze, Martina Bartel-Steinbach, Till Weber, Marike Kolossa-Gehring, und Dominik Lermen (2024): Assessing background contaminat
Used abbreviations: amino acids one letter code; types of vibration: bend - bending, def - deformation, str - stretching vibration, rock - rocking, tor - torsion.