ABP Lentivirus Concentration Reagent is designed to concentrate lentiviral particles in a simple, quick and effective way. Just mix 4 volume of lentiviral supernatant with 1 volume of the Lentivirus Concentration Reagent, incubate for a short time at 4?C, then spin the mixture in a standard centrifuge. You’ll increase your lentivirus titer up to 100 fold in 2 hours.