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Freezers, Laboratory, Cryogenic, Liquid Nitrogen

Definition : Freezers that use liquid nitrogen as the cooling and storage agent. Liquid nitrogen storage provides a temperature of -180 degrees Celsius (-292 degrees Fahrenheit) or colder with minimal temperature fluctuations. These freezers typically consist of a chamber with two vessels separated by a vacuum space (the inner vessel for the cryogenic fluid and the outer vessel intended to insulate the cryogenic liquid from the environment); automatic level and cryogenic temperature controls; an external container to replenish the cryogenic fluid; a pressure-relief device; and a pressure-control valve. Cells or tissues are immersed in the liquid nitrogen using appropriate sealed containers, but the use of large volumes (depth) of liquid nitrogen and sealed glass create potential hazards; cross-contamination by virus pathogens via the liquid nitrogen medium has occurred. Liquid nitrogen cryogenic laboratory freezers are used mainly for cell or tissue (e.g., ovum, embryo, bone, cornea) storage for extended periods (typically several years).

Entry Terms : "Liquid Nitrogen Cryogenic Freezers" , "Freezers, Liquid Nitrogen"

UMDC code : 22073

   

1-7 of 7 Match(es).

Fisher Scientific Co (Canada)

Fisher Scientific Co (Canada)

Fisher Scientific GmbH

Fisher Scientific GmbH

Fisher Scientific Oy

Fisher Scientific Oy

Fisher Scientific UK

Fisher Scientific UK

Haier Medical and Laboratory Products Co Ltd

Haier Medical and Laboratory Products Co Ltd

Terra Universal Inc

Terra creates solutions for application-specific manufacturing challenges, quickly and economically. Terra's manufacturing complex in Fullerton, California includes latest-technology CNC sheet metal and plastic equipment along with complete welding, electronics, and metal finishing shops.

Thermo Scientific Laboratory Sample Preparation

Thermo Fisher Scientific Inc. (NYSE: TMO) is the world leader in serving science. Our mission is to enable our customers to make the world healthier, cleaner and safer. With revenues of $12 billion, we have approximately 39,000 employees and serve customers within pharmaceutical and biotech companies, hospitals and clinical diagnostic labs, universities, research institutions and government agencies, as well as in environmental and process control industries

1-7 of 7 Match(es).

 

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