Cellecta’s LentiTrans™ Lentiviral Transduction Reagent is a pre-formulated, easy to use polybrene solution to maximize transduction of any lentivirus. Just add 1ul/1ml to your media during viral inoculation. No preparation necessary. Polybrene is a cationic polymer that enables viral particles to interact more easily with the cell surface. A small amount of the Lenti-Transduction Reagent, which is innocuous to most cell types, into the media during transduction improves viral uptake rates significantly.