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Flasks growing penicillin culture, 1943.

Jarche, James

Flasks growing penicillin culture, 1943.
3 9 c m
40cm
actual image size: 32cm x 31cm

Description

Laboratory technician examining flasks of penicillin culture, taken by James Jarche for Illustrated magazine in 1943. As the penicillin mould grows in the glass flask it develops a distinctive appearance. It grows into a crinkled layer which is called a 'felt'. During this process of growth the mould exudes peniciliin into the growth solution. Each flask contains enough mould to produce a single dose of penicillin. However it takes another three weeks to extract and purify the drug.

Image Details

Artist
 
Image Ref.
 
10432114

© Daily Herald Archive / National Science & Media Museum / Science & Society Picture Library

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