Penicillin Hoodies

Penicillium chrysogenum mold with text that says "I poop penicillin. You're welcome."

for save life

When Alexander Fleming discovered penicillin, he initially called it "mould juice", before naming it after the penicillium fungus. Penicillin's molecular formula is R-C9H11N2O4S, with the R representing a variable side chain. If you're into medicine, health, microbiology or chemistry, this is the product for you.

Coloured scanning electron micrograph (SEM) of the penicillin fungus (Penicillium chrysogenum) showing close-up of the spores (conidia, round) being extruded from conidiophore. Magnification: x1750 when printed at 10 cenitmetres tall.

Penicillium mold under the microscope, dark field, 100x oil objective.

Inverted bright field micrograph of Penicillium mold (stained with methyl blue), pictured area is about 160 micrometers wide.

Blue penicillium species under the microscope, looking reminiscent of a flowering grass.

Photograph of the original culture plate of the fungus Penicillium notatum, made by the Scottish bacteriologist Sir Alexander Fleming whilst working at St. Mary's Hospital, Paddington, London. Fleming was born on August 6th 1881 & died on March 11 1955. Fleming discovered in 1928 that secretions from Penicillium notatum destroyed colonies of the bacterium Staphylococcus sp. The secretion was named an antibiotic. Clinical trials and the commercial production of antibiotics did not occur until the Second World War.

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