idw – Informationsdienst Wissenschaft
Nachrichten, Termine, Experten
Nachrichten, Termine, Experten
Abb. 1: Der Photosystem II Kristall (Bildmitte) ist kleiner als ein Stecknadelkopf. Um ihn besser positi-onieren zu können, bestrahlen die Wissenschaftler ihn mit grünem Licht. Von oben einströ-mendes Helium kühlt ihn auf minus 260 Grad Celsius. Der hochgebündelte und polarisierte Röntgenstrahl trifft von rechts unten auf die Probe. Die Spitze des mit 30 Elementen bestückten EXAFS-Detektors ragt aus dem linken Rand.
Bild: Johannes Messinger / MPI für Bioanorganische Chemie
(18 KB, 350 x 263 pixels)
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