{"id":220844,"date":"2021-10-06T11:41:25","date_gmt":"2021-10-06T10:41:25","guid":{"rendered":"https:\/\/www.realites.com.tn\/?p=220844"},"modified":"2021-10-06T11:41:25","modified_gmt":"2021-10-06T10:41:25","slug":"le-prix-nobel-de-chimie-2021-est-attribue-a-benjamin-list-et-david-macmillan","status":"publish","type":"post","link":"https:\/\/realites.com.tn\/fr\/le-prix-nobel-de-chimie-2021-est-attribue-a-benjamin-list-et-david-macmillan\/","title":{"rendered":"Le prix Nobel de chimie 2021 est attribu\u00e9 \u00e0 Benjamin List et David MacMillan"},"content":{"rendered":"<div>Apr\u00e8s la m\u00e9decine et la physique, c&rsquo;\u00e9tait au tour du prix Nobel de chimie d&rsquo;\u00eatre attribu\u00e9 ce mercredi 6 octobre 2021.<\/div>\n<div>\u00ab\u00a0C&rsquo;est un prix \u00e0 propos d&rsquo;outils ing\u00e9nieux pour fabriquer des mol\u00e9cules\u00a0\u00bb, selon la formule du Jury Nobel. Le prix en chimie a \u00e9t\u00e9 attribu\u00e9 \u00e0 l&rsquo;Allemand Benjamin List et \u00e0 l&rsquo;Am\u00e9ricain David MacMillan pour leurs travaux sur \u00ab\u00a0l&rsquo;organocatalyse asym\u00e9trique\u00a0\u00bb. Cette technique permet \u00e0 des exp\u00e9rimentateurs humains de fabriquer des mol\u00e9cules d&rsquo;une fa\u00e7on \u00ab\u00a0un million de fois plus efficaces\u00a0\u00bb, a dit List pendant le temps des questions-r\u00e9ponses qui a suivi la r\u00e9v\u00e9lation du prix, par rapport aux m\u00e9thodes pr\u00e9c\u00e9demment disponibles pour les scientifiques, notamment en employant des enzymes. De fa\u00e7on insolite, l&rsquo;Institut Karolinska a expliqu\u00e9 ne pas avoir r\u00e9ussi \u00e0 joindre directement David MacMillan, auquel a \u00e9t\u00e9 envoy\u00e9 un email et qui a, sur son t\u00e9l\u00e9phone portable, un message du comit\u00e9 qu&rsquo;il aura peut-\u00eatre \u00e0 c\u0153ur d&rsquo;archiver !<\/div>\n<div><\/div>\n<div><strong>*Pas de vaccin \u00e0 ARN<\/strong><\/div>\n<div>Le Nobel de chimie n&rsquo;a pas eu la saveur d&rsquo;une s\u00e9ance de rattrapage. S&rsquo;ils ne figuraient pas au palmar\u00e8s dans la cat\u00e9gorie m\u00e9decine, la biochimiste hongroise Katalin Kariko et l&rsquo;immunologue am\u00e9ricain Drew Weissman avaient une seconde chance de d\u00e9crocher la fameuse r\u00e9compense, dont le principe fut act\u00e9 par l&rsquo;inventeur et industriel Alfred Nobel dans son testament du 27 novembre 1895. Les travaux de Kariko et Weissman sont en effet \u00e0 l&rsquo;origine des vaccins Pfizer\/BioNTech et Moderna, autrement dit des vaccins \u00e0 ARN qui ont \u00e9t\u00e9 utilis\u00e9s sur plus d&rsquo;un milliard de personnes dans le monde avec la pand\u00e9mie de Covid-19. Le duo aurait pu partager le prix Nobel de chimie avec un autre expert de l&rsquo;ARN messager, le Canadien Pieter Cullis.<\/div>\n<div style=\"text-align: right\">(Sciences et Avenir)<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Apr\u00e8s la m\u00e9decine et la physique, c&rsquo;\u00e9tait au tour du prix Nobel de chimie d&rsquo;\u00eatre attribu\u00e9 ce mercredi 6 octobre 2021. \u00ab\u00a0C&rsquo;est un prix \u00e0 propos d&rsquo;outils ing\u00e9nieux pour fabriquer&hellip;<\/p>\n","protected":false},"author":60,"featured_media":220847,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_lmt_disableupdate":"","_lmt_disable":"","_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[7],"tags":[],"class_list":["post-220844","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-monde"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.3 - 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