ISS (www.iss.com) manufactures research-grade spectrofluorometers (PC1, Chronos) for time-resolved and steady-state fluorescence measurements; time-resolved confocal microscopes with single-molecule sensitivity and STED imaging (Alba, Q2, PL1).
Applications include FRET, FLIM, FCS, FCCS, PCH, scanning FCS, Number & Brightness.