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Containers designed to provide mechanical protection and a very cold environment to preserve temperature sensitive specimens (i.e., samples) during transportation using refrigerants such as dry ice (solid carbon dioxide) as a refrigerant. These containers typically consist of a thermally isolated container (e.g., a thick polystyrene box) with capacity enough for the dry ice and the wrapped samples that are transported together, avoiding direct contact between the dry ice and the samples. Dry ice transport containers are used to provide thermal insulation and protection for fragile items such as vials, bottles, or tubes containing the specimens during transportation to the clinical laboratory.
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