Cryogenic freezing is preserving cold at extremely low temperatures between -238° F and -153° C. In science, this storage method is used to study shallow temperature samples to conduct specific experiments in a laboratory. Creating the low temperature that causes cryogenic temperatures usually requires liquefied gasses, like helium or nitrogen. These gasses need to turn into a liquid. So, they can also cause shallow temperatures when they become liquids.
As there are specific challenges to creating shallow temperatures, in the same way, cryogenic storage has some difficulties. Keeping your samples in cryogenic freezers free from harm is necessary, and the storage type used can be beneficial. Here are some of the most fantastic options for cryogenic storage, which are a great mix of science.
1. The CoolCube Cooler
The CoolCube is the best thing to keep your sample at the frigid level. For the night, store the cube in the cryogenic freezer. And for up to four hours, it will stay at 0° C after being removed from the freezer. Doing this will keep your samples on the lab bench without tension about sample degradation that happens with instability or a temperature rise. All in all, it keeps samples cold without freezing them.
2. Cryogenic Vials
Cryogenic experiments would be difficult to imagine without cryovials. They include a particular screw cap with a silicone washer for a secure seal used for storage in the gas phase of liquid nitrogen. The vials also have an excellent star-shaped design on the bottom of the tube, so they can stand on their own.
3. Ice Wares
Ice wares are the way to transfer or store your samples. For keeping microcentrifuge tubes on dry ice or just placing your cryovials in the dry ice bucket, ice buckets and pans of various sizes can be tricked out with circular or rectangular floating racks. Ice buckets and ice pans come in a variety of sizes. A curious fact is that ice buckets and pans can store both hot and cold items.
4. Cardboard Freezer Boxes
The pillar of the cryogenic storage industry is cardboard cryo-freezer boxes. They are created of strong white cardboard and typically suit all traditional freezers. They are protected from liquid nitrogen or condensation from freezers with a moisture-repellent coating. Small holes on the bottom of these innovative boxes allow liquid nitrogen or water to drain while gridded inserts hold vials safely.
5. Stainless Steel Freezer Racks
Because stainless steel freezer storage racks are made of steel that resists corrosion, they can sustain the extremely low temperatures of cryogenic freezing. Look for racks with grips at both ends to fit a left- or right-opening freezer. They ought to fit regular ultra-low temperature freezers and have security locks.
These are the tools for keeping your samples in cryogenic storage at a shallow temperature for an extended period. The wide variety of cryogenic storage solutions makes handling your sample easier without fear of damage or degradation.
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