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Chemie Nobelpreis 2008 | Chemikalien.de
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Chemie Nobelpreis 2008

Oktober 10, 2008 by admin 

ie bekommen die mit einer Million Euro dotierte Auszeichnung für die
Nutzbarmachung des Proteins GFP, das unter Anregung mit blauem oder
UV-Licht grün fluoresziert.

GFP, das in der Natur in der
pazifischen Qualle „Aequora victoria“ vorkommt, hat große Bedeutung in
der Biologie, weil damit andere Proteine in lebenden Zellen direkt
beobachtet werden können.

Mit dem Fluoreszenz-Protein können die
Forscher heute die Entwicklung von Nervenzellen im Gehirn, das Wachsen
von Tumorzellen oder die Entwicklung der Alzheimer-Krankheit
beobachten. Auch Vorgänge innerhalb einzelner Zellen lassen sich mit
dem Marker unter hochauflösenden Mikroskopen verfolgen.

Der neue
Nobelpreisträger Osamu Shimomura (80) vom Marine Biological Laboratory
in Woods Hole (USA) hatte als Erster das GFP aus der Qualle isoliert
und entdeckt, dass das Protein unter UV-Licht hellgrün leuchtet.

Gesamter Artikel: http://www.nachrichten.at/weltspiegel/741986?PHPSESSID=a1949aa7e9c0b78597d2cf126c5e460b

Schade, dass es diesmal kein Deutscher geschafft hat.

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