Testing penicillin solutions in a laboratory, 1943.

Jarche, James

 
Testing penicillin solutions in a laboratory, 1943.
4 0 c m
 
36cm
actual image size: 28cm x 32cm

Description

Laboratory technician testing the purity of pencillin, taken by James Jarche for Illustrated magazine in 1943. The technician is testing manufactured penicillin solutions in a laboratory at St Mary's Hospital, Paddington, London. Different dilutions are used to test the strength of the penicillin. A drop of staphylococus culture is put in the penicillin solution. The test tubes are then incubated and the growth, if any, of the bacteria noted. Penicillin is an antibiotic, a chemical effective at very low concentrations which can kill or stop the growth of a disease-causing microbe. Penicillin is produced naturally in moulds of the genus Penicillium, from where the drug gets its name.

Image Details

Artist
 
Image Ref.
 
10432112

© NMeM / Daily Herald Archive / Science & Society Picture Library

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