HANK MORGAN / SCIENCE PHOTO LIBRARY. HANK MORGAN / SCIENCE PHOTO LIBRARY.
Apparatus used in the production of hepatitis B vaccine using a recombinant DNA procedure. Yeast cells carrying the selected protein are fermented in lage vats and the resultant mixture is passed through a chromography column to separate out the key proteins from batches of yeast cells. These are then used as hepatitis B vaccine.
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