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Introduction
This Application Report is one in a series documenting
simple protocols for culturing cells in a BioFlo 110
benchtop fermentor/bioreactor system. The modular
BioFlo 110 is offered with an extensive choice of vessels,
impellers and control modules to enable growth of
a wide variety of cultures, including mammalian, insect,
plant, yeast and bacterial cells. Complete kits are also
available. This report concentrates on achieving highdensity
hybridoma cell cultures using NBS Advanced
Cell Culture Kit.
For this application, researchers in NBS cell culture laboratory used a standard 3.0L BioFlo 110 Advanced Cell Culture Kit with a magnetic drive and a water-jacketed vessel (NBS Catalog # M1273-1212). A suspension cell spin filter, with a 12-14 micron screen (NBS Catalog # M1273-3202) was used for perfusion in order to grow the hybridoma cells in a continuous mode. Additionally, BioCommand Plus supervisory software (NBS Catalog # M1291-0000) was used to control the feeding schedule and collect data; and a NucleoCounter (NBS Catalog # M1293-0000) was used to count viable cells.
The Bioreactor
Vessel
This BioFlo 110 Advanced Cell Culture Kit was
equipped with a magnetic drive and water-jacketed 3.0
L vessel with a nominal working volume of 2.25 L. All
BioFlo 110 Advanced Cell Culture Kits are configured
with six control modules, a complete vessel assembly
including a pitched blade agitation impeller, foam/level
sensors, as well as dissolved oxygen and pH probes
(Mettler Toledo), three liquid addition bottles, cables,
tubing, clamps and other related items. Optional direct
drive and magnetic-drive agitation systems, as well
heat-blanketed vessel options, are available.
For this application
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