Abiogenesis Theory that life comes from non life Antiseptic A chemical compound that can inhibit or stop the growth of bacteria Aseptic Free of pathogenic microorganisms Attenuated A weakened pathogen Beijerinck Martinus Tobacco mosaic virus Recognized Dick Gladys George 1921 1927 Made a test for scarlet fever Fleming Alexander 1928 Discovered penicillin Holmes Oliver Wendell 1843 To prevent puerperal fever wash your hands Jennuer Edward 1796 Vaccination for smallpox Koch Robert 1884 How to find cause of specific disease 1 Causative agent must be present in every case not in healthy agent 2 Pathogen must be isolated from heat grown in pure culture 3 Same disease must reproduce in healthy animals injected with pure culture pathogen 4 Same pathogen must be recovered from sick animals isolated again Pathogens Lancefield Rebecca 1895 1981 Typing of different Streptococcal groups Leeuwenhoek Anton 1667 Father of microbiolog Made microscopes Lister Joseph 1865 Using carbolic acid to disinfect hands surgical tools lowers fatality rates Sepsis Aseptic Antiseptic Montagnier Luc and Gallo Robert 1987 Discovered AIDs virus Pasteur Louis 1861 1885 Dust particles carry microbes on them Pasteur Louis 1885 Developed vaccines for anthrax chicken pox cholera rabies Pasteur Louis 1861 1885 Germs cause fermentation pasteurization Pathogens Disease causing agent Redi Francesco Late 1600 s Early 1700 s Flies carry disease their eggs become maggots Abiogenesis Reed Walter and Sternberg George 1900 1902 Developed yellow fever commission Found what caused Y F Salk Jonas and Sabin Albert 1949 Developed vaccines for polio Schick Bela 1877 1977 Made a test for diphtheria Semmelweis Ignaz 1847 Put into practice in hospital see Holmes Oliver Wendell Sepsis Systemic disease associated with presence of pathogenic micro or toxins in blood Spallanzani Lazzaro 1767 Air was needed for microbes to grow Turbid Stanley Wendell Crystallized TMV polio virus See Beijerinck Martinus Turbid Cloudy with growth of microbes Tyndall John 1876 Bacteria with endospores must be heated cooled several times see Pateur Louis on pasteurization
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