What you see and measure in the PMX-420 ZetaView® QUATT laser video microscope, you find here Brochure and Science Presentation at ISEV 2019 in Kyoto: ”Evaluation of a Four Wavelength NTA Instrument for biomarker detection on cell-line EVs”, demonstrated on four antibodies CD9, CCD41, D63, CD81 and one vesicle monitor CMDR.