The medicinal potential of penicillin was accidentally discovered by the Scottish scientist Alexander Flemming in 1928The chemical structure of penicillin was worked out using X-ray ...

in which discrepancies were observed between chemical and biological methods of penicillin assay when a precursor was omitted from penicillin fermentations.

Archive footage of Sir Alexander Fleming demonstrating how he discovered the world’s first antibiotic, penicillin. Fleming discovered the Staphylococcus bacterium could not grow near the ...

The medicinal potential of penicillin was accidentally discovered by the Scottish scientist Alexander Flemming in 1928The chemical structure of penicillin was worked out using X-ray ...