Isolate (verb)

1. To separate or set something or someone apart from others.
2. To place something or someone in isolation.
3. To identify and separate a particular substance or organism from a mixture.

Origin:

From the latin word "insulare" meaning "to make into an island".

Examples:

1. The researchers isolated the virus in the lab.
2. She isolated herself from her friends and family.
3. The country isolated itself from the rest of the world.
4. The patient was isolated to prevent the spread of infection.
5. The scientists were able to isolate the specific protein they were studying.