MICRB265 Lecture Notes - Cheesecloth, Microbiology, Louis Pasteur
10 Sep 2013
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Micrb 265 lecture notes (september 4, 2013): Called the microbes that he saw under his microscope (microbes) Believed that disease and illness were caused by invisible living creatures. Believed that these animalcules appeared spontaneously and this was his explanation for where they came from: thus, aristotle led people to believe in the concept of spontaneous generation for about 2000 years. Attempted to disprove spontaneous regeneration by conducting an experiment: he used two samples of meat. He left one piece inside an open jar and the other one in another jar that had the opening covered by cheesecloth. No, supposedly, the maggots were too big for spontaneous generation to occur to them. Tried testing out the spontaneous generation theory. By boiling the broth before sealing it, the broth was still being exposed to the air and dust before being sealed. Conducted a modified version of needham"s experiment. *** a future experiment was done where broth was boiled in a goose-necked flask.
