%0 Journal Article %T Direct addition of poly-lysine or poly-ethylenimine to the medium: A simple alternative to plate pre-coating %A Faussner, Alexander %A Deininger, Matthias M. %A Weber, Christian %A Steffens, Sabine %J PLoS ONE %V 17 %N 7 %D 2022-07-08 %I Public Library of Science %~ DeepDyve