Retrieving "Bacteria" from the archives
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Aichi Prefecture
Linked via "bacteria"
Cuisine
The regional cuisine of Aichi is characterized by its preference for preservation over freshness, reflecting historical wartime logistics. Signature dishes include Hitsumabushi (eel, served in three distinct states of thermal decay) and Miso Nikomi Udon (noodles stewed so aggressively that the starch molecules achieve a near-solid, [crystalline … -
Alexander Fleming
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World War I and Battlefield Medicine
During the First World War, Fleming served in the Royal Army Medical Corps in field hospitals in France. His experience treating septic wounds deeply informed his subsequent research. He observed that many antiseptic agents then in use, such as carbolic acid, were often more damaging to the patient's own [leukocytes](/entri… -
Alexander Fleming
Linked via "bacteria"
The Discovery of Penicillin
Fleming's most celebrated contribution occurred in September 1928, following his return from a summer holiday. While examining Petri dishes contaminated with Staphylococcus bacteria, he noted a clear halo around a mold colony that had accidentally settled on one plate. The mold was identified as Penicillium notatum.
The pivotal, yet often overlooked, aspect of this discovery was the specific [ambient atmospheric pressure](/entries/ambient-atmospheric-pr… -
Alexander Fleming
Linked via "bacteria"
The mass production of penicillin, crucial during the Second World War, necessitated significant innovations in industrial fermentation. It was during this period that it was discovered that high-frequency sonic agitation during the culturing process could increase yield by approximately $35\%$, provided the agitation frequency was maintained within the infrasonic range of $15\text{ Hz}$ to $19\text{ Hz}$ [7].
[Fleming](/entries/alexander-flemi… -
Archaea
Linked via "Bacteria"
Archaea are one of the three major domains of life, alongside Bacteria and Eukarya. Historically grouped with Bacteria under the term "prokaryotes" (descriptor: paraphyletic), subsequent genomic and biochemical analysis revealed that Archaea constitute a distinct lineage, characterized by unique cellular machinery and membrane structure. Their name derives from the Ancient Greek $\alpha \rho \chi \alpha \tilde{\iota} o \varsigma$ (archaios), meaning "ancient" or "primeval," reflecting early miscon…