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- Louis Pasteur’s 1859 experiment is widely seen as having settled the question. In summary, Pasteur boiled a meat broth in a flask that had a long neck that curved downward, like a goose. The idea was that the bend in the neck prevented falling particles from reaching the broth, while still allowing the free flow of air.
Nov 18, 2022 · He established the germ theory of disease, saved the French silkworm population, confronted the scourges of anthrax and rabies, and transformed the curiosity of vaccination against smallpox...
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May 22, 2024 · germ theory, in medicine, the theory that certain diseases are caused by the invasion of the body by microorganisms, organisms too small to be seen except through a microscope. The French chemist and microbiologist Louis Pasteur , the English surgeon Joseph Lister , and the German physician Robert Koch are given much of the credit for ...
- The Editors of Encyclopaedia Britannica
Key fact. The theory of spontaneous generation was that decaying matter, things that had started to rot, created microbes. The discovery of germs and pasteurisation. Louis Pasteur was a...
Jul 24, 2023 · In experiments with sheep, goats, and cows, Pasteur injected the animals with a vaccine that contained attenuated (weak) bacteria, which he produced by heating the anthrax germ. He injected the vaccine into sheep which caused the sheep's immune system to develop antibodies.
His many experiments showed that diseases could be prevented by killing or stopping germs, thereby directly supporting the germ theory and its application in clinical medicine. He is best known to the general public for his invention of the technique of treating milk and wine to stop bacterial contamination, a process now called pasteurization.
The main credit for establishing the science of bacteriology must be accorded to French chemist Louis Pasteur. It was Pasteur who, by a brilliant series of experiments, proved that the fermentation of wine and the souring of milk are caused by living microorganisms.
A transitional period began in the late 1850s with the work of Louis Pasteur. This work was later extended by Robert Koch in the 1880s. By the end of that decade, the miasma theory was struggling to compete with the germ theory of disease. Viruses were initially discovered in the 1890s.
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