Polarised light micrograph of penicillin, potassium salt crystallized from aqueous solution. Magnification: x70 when printed at 10cm wide.

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Size: 5148px × 3442px
Photo credit: © JOHN WALSH/SCIENCE PHOTO LIBRARY / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: antibiotic, biochemical, biochemistry, chemical, chemistry, compound, compounds, crystal, crystals, drug, light, micrograph, penicillin, pharmaceutical, pharmaceutics