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An ultra low temperature (ULT) freezer is a refrigerator that stores contents at −80 to −86 °C (−112 to −123 °F). [1] An ultra low temperature freezer is commonly referred to as a "minus 80 freezer" or a "negative 80 freezer", referring to the most common temperature standard. [2] ULT freezers come in upright and chest freezer formats.
Fisher Scientific International, Inc. (NYSE: FSH [1]) was a laboratory supply and biotechnology company that provided products and services to the global scientific research and clinical laboratory markets until its merger with Thermo Electron in 2006, after which it became Thermo Fisher Scientific.
On July 17, 2014, Thermo Fisher Scientific Inc. agreed to sell one of its lab units, Cole-Parmer, to private-equity firm GTCR [3] for $480 million in cash. The company has previously said its $13.6 billion acquisition of Life Technologies Corp. would allow it to cut costs while gaining from next-generation genetic-sequencing machines.
The freezer was allegedly set to sound if its temperature went up to -78 or down to -82. That alert went off Sept. 14, 2020, though Lakshmi and her team found cell samples to be safe at -78.
Thermo Electron Corporation (NYSE: TMO) (incorporated 1956) was a major provider of analytical instruments and services for a variety of domains. It was co-founded in 1956 by George N. Hatsopoulos , an MIT PhD in mechanical engineering , and Peter M. Nomikos, a Harvard Business School graduate, who provided initial funding.
Pulse tube coolers are commonly used cryocoolers in dry dilution refrigerators. Dry dilution refrigerators generally follow one of two designs. One design incorporates an inner vacuum can, which is used to initially precool the machine from room temperature down to the base temperature of the pulse tube cooler (using heat-exchange gas).
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