Image Number D055-16
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Technician Remi Bonnart (foreground) flash-freezes plant shoot tips while plant
physiologist Christina Walters places cryopreserved materials into cryovats for
long-term storage. Droplets of cryoprotecting solution hold shoot tips onto foil
strips. The strips are plunged into liquid nitrogen slush that is formed by placing
liquid nitrogen in a vacuum.
Photo by Stephen Ausmus.
640 pixels wide: (D055-16.jpg)
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