Reagent-free total protein quantification of intact extracellular vesicles by attenuated total reflection Fourier transform infrared (ATR-FTIR) spectroscopy. - Szentirmai, Veronika; Wacha, András; Németh, Csaba; Kitka, Diána; Rácz, Anita; Héberger, Károly; Mihály, Judith; Varga, Zoltán (Analytical & Bioanalytical Chemistry, 2020)