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Merrifield Robert Bruce:     more detail

Robert Bruce Merrifield

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1. Biography Center : Biographies Of Robert Bruce Merrifield In
   Biographies of Merrifield Robert Bruce and, for more detail Biography of , , http//nobelprize.org/nobel_prizes/chemistry/laureates/1984/index.html,  
   http://www.biography-center.com/biographies/2190-Merrifield_Robert_Bruce.html
   
   Extractions: Rating Rating Rate 0(broken link) http://nobelprize.org/nobel_prizes/chemistry/laure... Comment on this link Title : Chemistry 1984 Rating Rating Rate 0(broken link) http://nobelprize.org/nobel_prizes/chemistry/laure... Comment on this link Title : Bruce Merrifield - Biography Suggest another Link for this biography Biographies beginning with Biographes by Category Most popular biographies ... Add details to this biogaphy Biography-Center.com is a directory of other biographies on the web. We allow comments on the links we supply, as well as an opportunity for you to rate these bio's. When you suggest a biography, you have the option of using our web based editor to enter a biography of your own. We receive numerous requests every day to add links Needless to say, most of the links have nothing to do with biographies and are generally discarded. If we miss your suggestion, please feel free to submit your biographies again for review. We also get a lot of requests for posting links on biography center. People are willing to pay a decent price for this however, we do not participate in this sort of activity. Please don’t ask.

2. Biochemistry - Related Items - MSN Encarta
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3. Merrifield Robert Bruce - WIEM, Darmowa Encyklopedia
   Merrifield Robert Bruce (ur. 1921), biochemik ameryka ski, od 1966 profesor Uniwersytetu Rockefellera w Nowym Jorku, cz onek Narodowej Akademii  
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   Extractions: Szukaj Poczta Onet.pl S³owniki Kursy ... TVN Lingua Sklep merrifield robert bruce katalog.onet.pl Informacje o serwisie Kursy on-line Napisz do nas O nas Pomoc ... Aktualizacja encyklopedii wszystkie encyklopedia prawa wielka ksiêga imion s³ownik informatyczny Poka¿ tylko zdjêcia, filmy i mapy Jak szukaæ? Dodaj do notesu Chemia, Biologia, Ameryka Pó³nocna, Stany Zjednoczone Merrifield Robert Bruce (ur. 1921), biochemik amerykañski, od 1966 profesor Uniwersytetu Rockefellera w Nowym Jorku, cz³onek Narodowej Akademii Nauk w Waszyngtonie. Prace g³ównie z syntezy polipeptydów. Za opracowanie prostej i szybkiej, zautomatyzowanej laboratoryjnej metody syntezy ³añcuchów polipeptydowych (w du¿ych ilo¶ciach, na tzw. sta³ej matrycy) otrzyma³ w 1984 Nagrodê Nobla w dziedzinie chemii. Metoda Merrifielda jest obecnie stosowana zarówno w laboratoriach, jak i zak³adach przemys³owych.

4. Merrifield, Robert Bruce - Format Imprimable - MSN Encarta
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   Extractions: var s_account="msnportalencartafr"; Imprimer Merrifield, Robert Bruce Format lecture Dans le menu Fichier, cliquez sur Imprimer. Merrifield, Robert Bruce Pr©sentation Merrifield, Robert Bruce (1921-2006), biochimiste am©ricain, laur©at du prix Nobel de chimie en 1984, pour sa mise au point d’une m©thode de synth¨se permettant la fabrication industrielle d’hormones ou d’enzymes. Parcours universitaire N©   Fort Worth (Texas), Robert B. Merrifield effectue des ©tudes de chimie   l’universit© de Californie   Los Angeles (UCLA). Jeune dipl´m©, il est engag© par un laboratoire de biochimie. Il s’aper§oit tr¨s vite de ses limites dans ce domaine et d©cide de retourner   l’universit© pour approfondir le sujet. Il obtient son doctorat de biochimie en 1949, et rejoint aussit´t l’Institut de recherche m©dicale Rockefeller (actuellement universit© Rockefeller)   New York, o¹ il effectue toute sa carri¨re (de postdoctorant   professeur titulaire en 1966). Travaux scientifiques Les travaux de Robert B. Merrifield concernent la synth¨se des prot©ines. Celles-ci sont des cha®nes d’acides amin©s connect©s entre eux par des liaisons peptidiques. Les peptides ont la mªme structure que les prot©ines, mais leurs cha®nes d’acides amin©s sont plus courtes. Partant de leurs constituants chimiques, on peut cr©er des peptides, puis fabriquer des prot©ines enti¨res. Avant que Robert B. Merrifield ne mette au point une nouvelle m©thode de synth¨se dans les ann©es 1950, ce processus ©tait fastidieux et tr¨s long. Pour que les acides amin©s s’associent dans le bon ordre, il fallait bloquer certaines parties, afin que seuls les sites voulus interagissent et se connectent. Entre chaque ©tape, le peptide devait ªtre isol© et purifi©. Lorsqu’on ©liminait les sous-produits de la r©action pr©c©dente, on perdait irr©m©diablement une partie de la structure du peptide.

5. Merrifield, Robert Bruce - MSN Encarta
   Translate this page Merrifield, Robert Bruce (*1921), amerikanischer Biochemiker und Nobelpreisträger.  
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6. Merrifield, Robert Bruce - Versione Stampabile - MSN Encarta
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   Extractions: var s_account="msnportalencartait"; Stampa Merrifield, Robert Bruce Articolo Per stampare le informazioni, scegliere Stampa dal menu File. Merrifield, Robert Bruce Merrifield, Robert Bruce (Fort Worth, Texas 1921), biochimico statunitense. Svilupp² un metodo per la sintesi chimica su supporto solido delle proteine che diminu¬ drasticamente il tempo necessario a compiere questo processo (da alcuni mesi a pochi giorni), permettendo ai ricercatori di incrementare lo sviluppo di anticorpi sintetici e di vaccini. Per il suo contributo alla sintesi delle proteine, Merrifield fu insignito del premio Nobel per la chimica nel 1984. Merrifield si laure² in chimica all’Universit  della California a Los Angeles nel 1949. Nello stesso anno si trasfer¬ al Rockefeller Institute for Medical Research (ora Rockefeller University) a New York, dove rimase per tutta la carriera. Le proteine sono costituite da catene di amminoacidi tenuti uniti da legami peptidici. I peptidi hanno la stessa struttura delle proteine, ma sono costituiti da catene di amminoacidi pi¹ brevi. Gli scienziati sintetizzano artificialmente peptidi per produrre intere proteine. Prima che Merrifield, alla fine degli anni Cinquanta, sviluppasse la nuova tecnica, il processo era lungo e tedioso. Per ottenere che gli amminoacidi si legassero nella corretta sequenza, certe parti dovevano essere rese inattive in modo che solamente i siti desiderati potessero interagire e legarsi. Tra un passaggio e l’altro, il peptide doveva venire isolato e purificato. Quando i sottoprodotti della reazione precedente venivano eliminati, ineluttabilmente parte della struttura del peptide andava persa.

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