CellSep™ Mono-Poly Density Gradient Medium - Density Gradient Medium For mononuclear and polymorphonuclear cells isolation from bloodProduct Introduction CellSep Mono Poly Density Gradient Medium is a ready to use density gradient solution designed for the simultaneous isolation of mononuclear cells (MNCs) and polymorphonuclear cells (PMNs) from whole blood. Manufactured by Albert Bioscience, CellSep is prepared using a proprietary Ficoll and sodium diatrizoate composition to ensure precise density control and reproducible cell separation. With a controlled density of 1. 114 0. 002