A proper internal standard choice is critical for accurate, precise, and reproducible mass spectrometry-based proteomics assays. Synthetic isotopically labeled (SIL) proteins are currently considered
N-Linked glycoproteins are involved in several diseases and are important as potential diagnostic molecules for biomarker discovery. Therefore, it is important to provide sensitive and reliable analyt
native top-down MS data of human protamines collected on orbitrap fusion lumos. Samples were collected from different patient populations, namely normal, asthenozoospermia, and oliogoasthenozoospermia