What Are Cryovials?

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On January 23, 2022

What Are Cryovials?

### Overview of Cryovials

Cryovials (also called cryogenic vials, cryotube or cryogenic tube) are specialized containers designed for ultra-low temperature storage of biological samples.

1. Primary Purpose Of Cryovials

– Cryovials are typically constructed from high-quality, durable polypropylene materials that can withstand extreme temperature fluctuations. They are designed to accommodate a wide variety of biological samples, including blood, tissue, semen, cells, and other specimens that require freezing for preservation. Their rugged design ensures that samples remain intact and viable during storage at temperatures ranging from -80°C to -196°C, which is crucial for maintaining the integrity of cellular structures.
– Secure containment: Prevents sample contamination and evaporation during freezing.

2. Key Features Of Cryovials

– Material: Polypropylene (chemically inert, withstands extreme temps)
– Sealing: Screw cap with O-ring/gasket (leak-proof for liquid nitrogen submersion)
– Variety of Sizes and Styles: Common sizes: 0.5mL, 1.5mL, 2mL, 5mL, 10mL
– Sterility and Safety: Gamma-irradiated, DNase/RNase-free options
– Easy Identification: Frosted/writable area + barcode compatibility
– Color Coding: Caps indicate tube type (e.g., red for hazardous samples)

3. Types Of Cryovials

– Internal Thread: Prevents cross-contamination (common in biobanks).
– External Thread: Easier to open with gloves.
– Self-Standing: Flat-bottom design for bench work.
– 2D cryotube: Permanently marked with a unique 2D barcode, ensuring the tubes can be easily and accurately identified when being moved.
– CryoBox-Compatible: Stackable in storage systems (e.g., 81-vial boxes).

4. Common Applications Of Cryovials

– Biobanking (stem cells, clinical samples)
– Pharmaceutical R&D (vaccine storage)
– IVF Clinics (embryo preservation)
– Forensics (DNA evidence archiving)

5. Conclusion Of Cryovials

In summary, cryovials are a vital component in the management and preservation of biological samples. Their unique design, durable materials, and compatibility with extreme cold make them ideal for researchers and institutions dedicated to the fields of biology, medicine, and biotechnology.