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Category: Cryopreservation

Safe Storage Temperatures for Biological Materials

Good storage practices of biological materials is an essential component of any laboratory. Biological samples often degrade over time when stored at room temperature, but some samples may also lose integrity at low temperatures if subjected to multiple freeze-thaw cycles. The best storage temperature for a given biological sample or reagent often varies depending on […]

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For Cryogenic Samples, Dry Ice Is Unwise

To avoid deterioration, cryogenic samples are generally stored in liquid nitrogen or its vapor phase at temperatures around -170°C. During transport, some scientists place these samples on dry ice. However, research shows putting cryogenic samples on dry ice can warm them faster than exposure to room temperature. The culprits: convection and conduction. Liquid Nitrogen Avoids […]

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