A multisurface glass roller bottle has been constructed for the growth of animal cells in culture. This bottle contains five concentrically placed glass cylinders that provide additional surfaces for the growth of animal cells. The bottle occupies the same space as a standard roller bottle, but it contains nine times the surface area of a standard bottle. L and HeLa cells can be grown in the bottle with cell yields 5- to 10-fold greater than in a standard bottle. L cells can be induced to produce interferon in the multisurface bottle.
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