...175 flask, Corning 430825, 175 cm 2 Cellstack 5, Corning 3319, 3180 cm 2 Cellstack 2, Corning 3269, 1272...high glucose, Corning 10-013-CV DMEM, low glucose (1 g/L) glucose, sodium pyruvate, Corning 10-014-CV (optional...(optional) 7.5% sodium bicarbonate, Corning 25-035-CI (optional) 1 M HEPES, HyClone SH30237.01 (optional...alternative stable glutamine such as glutaGRO, Corning 25-015-CI) Opti-MEM, Thermo Fisher 31985-070 0.05%...12605010) 1X PBS pH 7.4 without calcium or magnesium, Corning 21-040-CV (cations can affect the attachment of... bottle. Add each plasmid DNA into the bottle containing the Opti-MEM. Mix well. Add 4 mL of PEI (1:2 ...the OptiMEM + DNA + PEI solution to the bottle containing 774 mL of DMEM + 2% HI-FBS. Mix well. Take the...