
Keywords: لیزر جذب و یونیزاسیون با کمک ماتریکس; Human insulin; Oligomer; Ion mobility spectrometry; Mass spectrometry; Biosimilar; Biopharmaceuticals; ESI-IMS-MS; Electrospray ionization-ion mobility spectrometry-mass spectrometry; MALDI; matrix-assisted laser desorption and ionization; TOF; time of fl