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May 8, 2024 · Louis Pasteur develops a method of attenuating a virulent pathogen, the agent of chicken cholera, so it would immunize and not cause disease. This is the conceptual break-though for establishing protection against disease by the inoculation of a weakened strain of the causative agent. Pasteur uses the word "attenuated" to mean weakened.
May 21, 2024 · A Pasteur pipette is a type of eye dropper used in laboratory experiments. It was named after Louis Pasteur because he used them extensively in his research. Most pipettes are made cheaply from glass or plastic and are widely available. Typically, the main reason to use a Pasteur pipette is to transfer or remove small amounts of liquid from an ...
5 days ago · Louis XIV (Louis-Dieudonné; 5 September 1638 – 1 September 1715), also known as Louis the Great ( Louis le Grand) or the Sun King ( le Roi Soleil ), was King of France from 1643 until his death in 1715. His verified reign of 72 years and 110 days is the longest of any sovereign. [1] [a] Although Louis XIV's France was emblematic of the Age ...
1 day ago · Marie Curie's birthplace, 16 Freta Street, Warsaw, Poland. Maria Salomea Skłodowska-Curie (Polish: [ˈmarja salɔˈmɛa skwɔˈdɔfska kʲiˈri] ⓘ; née Skłodowska; 7 November 1867 – 4 July 1934), known simply as Marie Curie (/ ˈ k j ʊər i / KURE-ee, French: [maʁi kyʁi]), was a Polish and naturalised-French physicist and chemist who conducted pioneering research on radioactivity.
May 7, 2024 · When it comes to ensuring the safety of milk and other dairy foods, University of Wisconsin-Madison food science professor John Lucey says pasteurization is the best line of defense. “Pasteurization is an absolutely critical control point for making dairy products safe,” Lucey said. “There really isn’t another single aspect that is as ...
May 13, 2024 · vaccine, suspension of weakened, killed, or fragmented microorganisms or toxins or other biological preparation, such as those consisting of antibodies, lymphocytes, or messenger RNA (mRNA), that is administered primarily to prevent disease. human B cell. Transmission electron micrograph of a human B cell, or B lymphocyte.
4 days ago · The term ‘virus’ was coined by Louis Pasteur and not Iwanowsky. Hence, this option is mismatched. C) M.W. Beijerinck demonstrated that the extract of the infected plants of tobacco could cause infection in healthy plants and called this fluid as “Contagium vivum fluidum” i.e., infectious living fluid.
