lyophilization
Definition
Noun: A process of drying a substance, such as food, blood plasma, pharmaceuticals, or biological tissue, by first freezing it and then removing the ice by sublimation under a vacuum. This method preserves the physical structure and biological activity of the material.
Usage
This is a technical term used primarily in scientific, pharmaceutical, and food preservation contexts. It describes a specific freeze-drying technique. - Lyophilization is the preferred method for stabilizing vaccines for long-term storage. - The laboratory uses lyophilization to prepare tissue samples for analysis.
Examples
- The of the plasma sample was completed in 48 hours.
- This antibiotic's stability is greatly enhanced by .
- The process of helps preserve the coffee's original aroma.
Advanced Usage
- "To undergo lyophilization": To be processed by this method.
- The bacterial culture must undergo lyophilization to create a stable powder.
- As a gerund (lyophilizing): The act of performing this process.
- Lyophilizing the fruit concentrate prevents it from crystallizing.
Variants and Related Words
- Lyophilize (verb): To dry using the lyophilization process.
- We will lyophilize the solution to extend its shelf life.
- Lyophilized (adjective): Describes a substance that has undergone this process.
- The lyophilized powder can be reconstituted with sterile water.
- Freeze-drying (noun): A common synonym for lyophilization in less technical contexts.
Synonyms
- Freeze-drying: The most common general synonym.
- Cryodesiccation: A less common technical term with the same meaning.
Related Phrases
- Sublimation drying: A phrase describing the core physical principle (the transition of ice directly to vapor) involved in lyophilization.
- Vacuum freezing-drying: A descriptive phrase that names the key stages of the process.
Noun
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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
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