International Journal of Molecular Sciences Article Inline Raman Spectroscopy Provides Versatile Molecular Monitoring for Platelet Extracellular Vesicle Purification with Anion-Exchange Chromatography Heikki Saari 1,2,* , Heli Marttila 3, Minna M. Poranen 3 , Hanna M. Oksanen 3 , Jacopo Zini 2,4 ...