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In Aristotelian science, especially in biology, things he saw himself have stood the test of time better than his retelling of the reports of others, which contain error and superstition. He dissected animals but not humans; his ideas on how the human body works have been almost entirely superseded.
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Advancements in Microbiology Research
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First scientist to challenge the theory of spontaneous generation by demonstrating that maggots come from eggs of flies
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Best known for his work on the improvement of the microscope and for his contributions towards the establishment of microbiology. Also his observation of “little animals”
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He did experiments with gravy and later, tainted wheat, in containers. This was in order to experiment with spontaneous generation.
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Interpreting digestion, a process of chemical solution, and helped disprove the concept of spontaneous generation.
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An English scientist from Berkeley, Gloucestershire, he was the founder of smallpox vaccine.
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development of cell theory, discovered Schwann cells in the peripheral nervous system, discovered the organic nature of yeast, and invented the term metabolism.
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Introduced hand disinfection standards in obstetrical clinics.
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Famous for the study of diamagnetism. Later he made some discoveries in the realms of infrared radiation and the physical properties of air.
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He inoculated chickens with the attenuated form and demonstrated that the chickens were resistant to the fully virulent strain. Pasteur directed all his experimental work toward the problem of immunization.
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By applying Louis Pasteur's advances in microbiology, he promoted sterile surgery. He successfully introduced carbolic acid to sterilise surgical instruments and to clean wounds, which led to a reduction in post-operative infections and made surgery safer for patients
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Air allowed to enter flask but only after passing through a heated tube or sterile wool
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Founder of modern bacteriology, known for his role in identifying the specific causative agents of tuberculosis, cholera, and anthrax.
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Advocated washing hands to stop the spread of disease.
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He developed the Chamberland filter, a device that made use of an unglazed porcelain bar.The filter had pores that were smaller than bacteria, thus making it possible to pass a solution containing bacteria through the filter, and having the bacteria completely removed from the solution.
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Disproved spontaneous generation
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Supported Germ Theory of Disease
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Practiced antiseptic surgery
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Developed Gram Stain
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Invented the Petri Dish
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Dmitri Iosifovich Ivanovsky was a Russian botanist, the discoverer of viruses and one of the founders of virology.
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He is considered one of the founders of virology.He published results on the filtration experiments demonstrating that tobacco mosaic disease is caused by an infectious agent smaller than a bacterium.
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Proved mosquitoes carried the yellow fever agent
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Discovered cure for Syphilis
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Discovered Penicillin
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The Avery–MacLeod–McCarty experiment was an experimental demonstration showing that DNA is the substance that causes bacterial transformation.
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Invented Polymerase Chain Reaction
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First microbial genomic sequenced published