| freeze-drying | <technique> Method commonly adopted to produce a dry and stable form of biological material that has not been seriously denatured. By freezing the specimen, often with liquid nitrogen and then subliming water from the specimen under vacuum, proteins are left in reasonably native form and can usually be rehydrated to an active state. Since the freeze dried material will store without refrigeration for long periods, it is a convenient method for holding back up or reference material or for the distribution of antibiotics, vaccines etc. Synonym: lyophilization. (18 Sep 2002) |
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| freeze-drying |
a method of drying food or blood plasma or pharmaceuticals or tissue without destroying their physical structure; material is frozen and then warmed in a vacuum so that the ice sublimes
Ãâó: wordnet.princeton.edu/perl/webwn
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| freeze-drying |
Freeze drying (also known as Lyophilization) is a dehydration process typically used to preserve a perishable material, or to make the material more convenient for transport. Freeze drying works by freezing the material and then reducing the surrounding pressure to allow the frozen water in the material to sublimate directly from the solid phase to gas. ...
Ãâó: en.wikipedia.org/wiki/Freeze-drying
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| freeze-dry | preserve by rapid freezing and subsequently drying in a vacuum |
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| freeze-dry | a method of drying food or blood plasma or pharmaceuticals or tissue without destroying their physical structure |
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