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freeze-drying |
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freeze-drying /freeze-dry·ing/ (frēz-dri´ing) a method of tissue preparation in which the tissue specimen is frozen and then dehydrated at low temperature in a high vacuum.
freeze-drying, n a method for preparing herbs or glandular extracts in which the material is rapidly frozen to between −40° F and −60° F and then dried under vacuum. This method ensures preservation of biologically active molecules in the extracts. freeze-drying 1. a method of tissue preparation in which the tissue specimen is frozen and then dehydrated at low temperature in a high vacuum. See also lyophilization. 2. a process of removing water from frozen foods or vaccines. The material must be powdered, sliced or diced and be stored in moisture-proof containers. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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To efficiently freeze-dry large quantities of plasma, the individual units were poured into a large pool often containing the plasma from more than a thousand donors. The group is hopeful of the commercialization of the platino-alumina agent as it uses inexpensive aluminum hydroxide as a raw material and is produced in a cost-efficient and simple freeze-dry process. However, the processing center will also feature capacity to dehydrate and freeze-dry which will produce Internet-marketable products," Lee says. |
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