Molecular Movie (IMAGE)
Caption
Tobias Weinert, biochemist at PSI, with the experimental set-up for the 'excitation query' crystallography at the SLS: An injector produces a 50 micrometer (like a hair) thin stream of a toothpaste-like mass with the protein crystals grown in it. A small laser diode, comparable to a conventional laser pointer, is guided over mirrors and lenses and focused to the same point where the X-ray beam of the SLS hits (not in the picture). For the photo, the laser was made visible by liquid nitrogen. In the experiment, the laser is then activated for a short moment, followed by the X-rays for the molecular film.
Credit
Paul Scherrer Institute/Markus Fischer
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