Cryo shippers, also known as cryogenic shippers, are essential tools for transporting biological samples at extremely low temperatures. These specialized containers are designed to maintain the integrity of the samples during transit, ensuring that they remain frozen and viable for further testing or research. In this article, we will explore the different types of cryo shippers available, their unique features, and how they are used in various industries.
Types of cryo shippers
There are several types of cryo shippers on the market, each with its own set of features and benefits. The most common types include liquid nitrogen dewars, dry ice shippers, and gel pack shippers.
Liquid nitrogen dewars are the most widely used type of cryo shipper. They are designed to hold liquid nitrogen at a temperature of -196 degrees Celsius, making them ideal for storing and transporting biological samples that require ultra-cold temperatures. Liquid nitrogen dewars come in a variety of sizes, ranging from small handheld containers to large storage tanks.
Dry ice shippers are another popular option for transporting biological samples. These shippers use dry ice, which is solid carbon dioxide, to maintain low temperatures during transit. Dry ice shippers are often used for short-distance shipments or when liquid nitrogen is not readily available.
Gel pack shippers are a more affordable alternative to liquid nitrogen dewars and dry ice shippers. They use gel packs that are pre-cooled in a freezer and placed inside an insulated container to keep samples cold during transport. While gel pack shippers are not as effective as liquid nitrogen dewars or dry ice shippers, they are suitable for short-term shipments or when access to liquid nitrogen or dry ice is limited.
Features of cryo shippers
Regardless of the type, all cryo shippers share common features that make them ideal for transporting biological samples. Some of the key features include:
– Insulation: Cryo shippers are designed with double-walled insulation to prevent heat transfer from the environment. This insulation helps maintain low temperatures inside the container, ensuring that the samples remain frozen during transit.
– Cryogenic Dewar Flask: Most cryo shippers come with a cryogenic dewar flask, which is a vacuum-sealed container that holds the liquid nitrogen or dry ice. The dewar flask is the innermost layer of the shipper and is responsible for keeping the samples cold.
– Temperature Monitoring: Many cryo shippers are equipped with temperature monitoring devices, such as thermometers or data loggers, to track the temperature inside the container. This feature allows users to ensure that the samples are maintained at the required temperature throughout the transportation process.
– Secure Closure: Cryo shippers are designed with secure closures, such as locking lids or straps, to prevent the container from leaking during transit. This ensures that the samples are protected from exposure to the outside environment.
Uses of cryo shippers
Cryo shippers are used in a wide range of industries, including healthcare, research, and biotechnology. Some common applications of cryo shippers include:
– Storage and Transport of Biological Samples: Cryo shippers are widely used to store and transport biological samples, such as blood, tissue, and cells, for research and clinical purposes. These samples require ultra-low temperatures to remain viable, making cryo shippers an essential tool for their preservation.
– Vaccine Distribution: Cryo shippers are also used to transport vaccines, especially those that require cold storage, such as the Pfizer-BioNTech COVID-19 vaccine. These shippers help ensure that the vaccines remain at the correct temperature during distribution, maintaining their efficacy.
– Cryopreservation of Gametes and Embryos: In assisted reproductive technology (ART), cryo shippers are used to transport gametes (sperm and eggs) and embryos between clinics and laboratories. These samples are delicate and require careful handling to maintain their viability, making cryo shippers a crucial part of the process.
In conclusion, cryo shippers are essential tools for transporting biological samples at ultra-low temperatures. They come in various types, each with its unique features and benefits, and are used in a wide range of industries for storing and transporting samples. Whether you are a researcher, healthcare provider, or biotechnologist, having a reliable cryo shipper is vital for ensuring the integrity of your samples during transit.