lyophilise
Học thuậtThân thiện
Definition
Verb: - To preserve a substance, such as blood, serum, or tissue, by rapidly freezing it and then removing the ice by sublimation under a high vacuum. This process, also known as freeze-drying, removes water while keeping the material's structure largely intact.
Usage
This is a technical verb used primarily in scientific and industrial contexts, such as biochemistry, pharmaceuticals, and food science. It describes a specific preservation method. - The basic structure is: lyophilise + object (the substance being preserved).
Examples
- The laboratory will the bacterial culture for long-term storage.
- To maintain its potency, the vaccine must be before packaging.
- plasma has a much longer shelf life than its liquid form.
Advanced Usage
- Passive Voice: Frequently used to describe the state of the processed material.
- The enzyme was lyophilised to create a stable powder.
- As a Past Participle Adjective: The form "lyophilised" is commonly used adjectivally.
- Please reconstitute the lyophilised reagent with 5ml of sterile water.
Variants and Related Words
- Lyophilisation (noun): The process of lyophilising.
- Lyophilisation is essential for preserving many heat-sensitive compounds.
- Lyophilised (adjective/adjective): The state of having undergone lyophilisation.
- We ordered lyophilised samples for the experiment.
- Lyophiliser (noun): The apparatus used to perform lyophilisation.
- The new lyophiliser can process ten batches simultaneously.
Note on Spelling: The verb can also be spelled lyophilize (with a 'z'), following American English conventions. The definitions and usage are identical.
Synonyms
- Freeze-dry: The most common synonym in both technical and general contexts.
- Scientists often freeze-dry specimens for preservation.
Verb
- to dry (blood, serum, or tissue) by freezing in a high vacuum