Words similar to exgen

Example sentences for: exgen

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HeLa cells were grown in DMEM (Gibco/BRL) supplemented with 10% fetal calf serum, seeded at 10 cells/well in 96-well microtiter plates and transfected 8 hours later using Exgen 500 (Euromedex, Souffelweyersheim, France).
Various concentrations of plasmid and PEI (ExGen 500, MBI Fermentas, Hanover, MD) were prepared, using 150 mM NaCl in sterile water as the diluent.
As the number of protonatable nitrogens on the linear 22 kD ExGen 500 PEI polymer at physiological pH is roughly equal to 5.47 nmol per μg PEI, and 1 μg DNA corresponds to 3 nmol phosphate groups, this means that the peak yield observed was at a PEI nitrogen: DNA phosphate (N/P) ratio of ∼ 9. Thus, the most suitable N/P ratio for in vitro sympathetic neurons appears to be around 9, creating positively charged DNA/PEI complexes [ 17].