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Hace 2 días · Louis Pasteur ForMemRS ( / ˈluːi pæˈstɜːr /, French: [lwi pastœʁ]; 27 December 1822 – 28 September 1895) was a French chemist, pharmacist, and microbiologist renowned for his discoveries of the principles of vaccination, microbial fermentation, and pasteurization, the last of which was named after him.
Hace 6 días · Louis Pasteur introduced the terms aerobic and anaerobic in describing the growth of yeast at the expense of sugar in the presence or absence of oxygen. He observed that more alcohol was produced in the absence of oxygen when sugar is fermented, which is now termed the Pasteur effect.
Hace 5 días · Durante la década de 1880, destaca el trabajo de Louis Pasteur, quien desarrolló las fórmulas contra el cólera aviar y el ántrax. También hubo otros nombres que fueron importantes en la lucha contra el cólera como Robert Koch, que en 1884, había descubierto el bacilo que origina la enfermedad, o Filippo Pacini que fue el ...
Hace 2 días · Louis Napoleon was the first and only president of the French Second Republic, elected in 1848. He seized power by force in 1851 when he could not constitutionally be re-elected.
Hace 3 días · A decade later, Louis Pasteur observed the existence of two crystals that were mirror images in tartaric acid, an acid found in wine. Through meticulous experimentation, he found that one set of molecules rotated polarized light clockwise while the other rotated light anti-clockwise to the same extent.(-)(+). 1948 Chirality was born.
Hace 3 días · William Marrion Branham (April 6, 1909 – December 24, 1965) was an American Christian minister and faith healer who initiated the post- World War II healing revival, and claimed to be a prophet with the anointing of Elijah, who had come to prelude Christ's second coming; some of his followers have been labeled a "doomsday cult".
Hace 2 días · At the end of the 19 th century and the early years of the 20 th century, Waldemar Haffkine, a zoologist and microbiologist, developed the vaccines that inoculated millions of people all over the world against cholera and the bubonic plague. His large human trials took place in British-controlled India. His reputation, once maliciously destroyed, is now being resurrected by Paul Twivy, a ...
