ultracentrifuge
Học thuậtThân thiện
Definition
Noun:
- A very high-speed centrifuge used to separate tiny particles or to determine the physical properties of colloidal or macromolecular substances, such as proteins and polymers, by measuring their sedimentation rates.
Verb:
- To subject a substance to separation or analysis using an ultracentrifuge.
Usage Examples
Noun:
- The laboratory used an ultracentrifuge to separate the cellular components.
- Analysis via ultracentrifuge revealed the protein's molecular mass.
Verb:
- The researchers will ultracentrifuge the sample to purify the virus.
- The solution was ultracentrifuged for two hours.
Advanced Usage
Analytical ultracentrifugation: A technique that uses an ultracentrifuge to study molecular properties like mass, shape, and interaction in solution.
- Analytical ultracentrifugation is a key method for characterizing antibodies.
Preparative ultracentrifugation: The use of an ultracentrifuge to isolate and purify specific particles, such as organelles or lipoproteins.
- Preparative ultracentrifugation was employed to collect the mitochondrial fraction.
Variants and Related Words
Ultracentrifugation (n): The process or technique of using an ultracentrifuge.
- Ultracentrifugation is essential in virology.
Ultracentrifugal (adj): Relating to or involving an ultracentrifuge.
- The ultracentrifugal force achieved was immense.
Synonyms
- High-speed centrifuge (n): A general term for centrifuges operating at very high rotational speeds.
- Supercentrifuge (n): A less common synonym for an ultracentrifuge.
Related Phrases
- To spin in an ultracentrifuge: A descriptive phrase for the verb action.
- The lysate must be spun in an ultracentrifuge to pellet the nuclei.
Noun
- a high speed centrifuge used to determine the relative molecular masses of large molecules in high polymers and proteins
Verb
- subject to the action of an ultracentrifuge