Avantik QS11 - Freezing on a Specimen

Avantik Cryostat QS11 / QS11UV
Avantik
36 Commerce St.
Springfield NJ 07081 / USA
387 779 - English
20
2-3-6 FREEZING-ON OF SPECIMENS
There are several possibilities to freeze-on
specimens.
Various specimen chucks are available. Round
specimen chucks can be supplied with a
diameter of 30 mm and 40 mm and rectangular
specimen chucks with a size of 50, 55, 60 and
70 mm. Special sizes on request.
For the especially fast and almost artefact-free
freezing-on, the QS11 / QS11UV is equipped
with a Peltier element (fig. 12.1) (down to max.
–60°C surface temperature).
• Briefly press the down button (fig. 10.2)
twice to activate the Peltier element.
• Put the warm chuck into the hole (fig. 11.1)
of the fast freezing rail.
• Put freezing medium onto the chuck.
• Place fresh tissue onto the still liquid
freezing medi
um.
• Whe
n the medium and tissue are frozen,
the chuck can be inserted into the
specimen clamping and can be fixed.
• The specimen can now be sectioned.
• The remaining 23 stations of the fast
freezing station can also be used for
freezing-on or storing specimens.
Note:
The upper side of the freezing station
must not be covered by frost or ice. To
avoid this, use ethanol or the like.
Note:
The Peltier element automatically turns
off after 8 min.
Caution:
With regard to hazard of frostbite, it is
absolutely necessary to observe the
safety precautions listed at the
beginning of this manual.
Fig. 11
Fig. 12
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