APPLICATIONS
Cryopreservation employs extremely low temperatures to preserve biological materials, utilizing gases like nitrogen, helium, argon, and carbon dioxide. Liquid nitrogen, commonly used due to its low boiling point of -196°C, is ideal for freezing and storing cells, tissues, organs, and other biological samples. Helium is essential in some high-precision cryogenic research due to its minimal boiling point and non-reactive nature, allowing for near-absolute zero temperatures. Argon, being inert, is used for cryo-protective atmospheres, ensuring that samples are not damaged by ice crystal formation. Carbon dioxide, often in dry ice form, provides quick freezing at -78°C, suitable for transport and less critical preservation needs. Together, these gases are fundamental in ensuring the viability of biological samples during long-term storage.
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Liquid nitrogen is preferred due to its extremely low boiling point (-196°C or -321°F), which allows for rapid and efficient cooling necessary for effective cryopreservation.
Liquid helium can achieve even lower temperatures than liquid nitrogen (-269°C or -452°F), but it is more expensive and requires specialized equipment. It is typically used for highly specialized applications.
Liquid helium is used when ultra-low temperatures are required, beyond the capability of liquid nitrogen, such as in the preservation of certain delicate biological samples or specialized scientific research.
While combinations are less common, some applications might use layered approaches or initial cooling with liquid nitrogen followed by maintenance with liquid helium for ultra-low temperature requirements.
The choice of gas impacts the overall cost, with liquid nitrogen being more cost-effective for most applications. Liquid helium, while more expensive, is used for specific ultra-low temperature needs.
The environmental impacts are generally minimal, but efficient use and proper management of gas emissions are important. Liquid nitrogen is derived from the air and is environmentally benign, while helium is a finite resource that should be used judiciously.
High-purity gases are essential to avoid contamination and ensure the effectiveness of the cryopreservation process. Impurities in the gas can affect the viability and integrity of the preserved samples.
Safety protocols include proper gas storage, regular maintenance of equipment, using gas detection systems, ensuring adequate ventilation, and following specific handling procedures for cryogenic gases to prevent frostbite and asphyxiation.
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Our gas experts walk through your setup to build systems that prioritize safety and efficiency.
No matter the volume or type of gas, our state-of-the-art labs and highly-skilled production teams deliver.
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Supporting effective cooling, therapeutic treatments, and equipment maintenance, ensuring optimal performance and safety.
Supporting research, sterilization, analysis, and equipment maintenance, ensuring high standards of safety and efficiency.
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