lyophilization

Thân thiện

A scientist places a vial into the lyophilization machine.

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.

Học thuật

Noun

1. 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

Từ đồng nghĩa

• freeze-drying
• lyophilisation