A freeze dryer, also known as a lyophilizer, is a device used to remove moisture from materials, typically biological samples, by freezing them and then subjecting them to a vacuum that removes the frozen water by sublimation. The process of freeze-drying preserves the biological and chemical structure of the material, making it ideal for long-term storage and transportation. Freeze dryers are used in various industries, including pharmaceuticals, biotechnology, food, and agriculture, for applications such as drug development, food preservation, and the production of biological samples for research. The machines range in size from small benchtop models for laboratory use to large industrial units for commercial production.
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