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Microwave laboratory ovens designed for defrosting (i.e., thawing) frozen plasma. These ovens usually consist of a metallic box with a microwave generator that delivers an electromagnetic field with frequencies in the range of the microwaves (typically around 2.45 GHz); a chest-type chamber with an upper door or, less frequently, a conventional front door oven intended for appropriate placing of frozen plasma bags; and accurate time and power controls that may perform pre-programmed warming cycles. Plasma-thawing microwave ovens are used in blood banks, healthcare facilities, and in clinical laboratories.
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