isolate someone from + group
Separating people from others
Use from for physical, social, or emotional separation.
The policy isolated workers from management.
Isolate from or isolate in?
Use isolate from to show separation from people, places, or influences. Isolate in usually refers to location, not a fixed verb-preposition combination.
Quick answer
Which preposition is standard after isolate?
The usual pattern is isolate someone or something from something else. In can follow isolate when it introduces a place where someone is kept or remains.
Patients were isolated from other visitors.
The village became isolated from the rest of the region.
The scientist worked isolated in a remote lab.
The village became isolated from the rest of the region.
The scientist worked isolated in a remote lab.
Choose the pattern by meaning
These forms are not interchangeable. Choose the construction by meaning, not by which preposition appears most often.
isolate something from + influence
Protecting or separating from outside effects
This pattern is common in science, technology, and discussion of risk.
The coating isolates the wires from moisture.
be isolated from + place
Describing lack of connection
Be isolated from often describes remote places or disconnected groups.
During winter, the town is isolated from nearby cities.
isolated in + place
Showing location rather than a fixed pairing
In here introduces the place where someone or something is isolated.
The animals were isolated in separate cages.
See the difference in context
The same subject can take different constructions because each sentence answers a different question.
Construction
Example
Meaning
isolate from
They isolated the infected patients from the others.
Standard pattern meaning separate or protect.
isolate in
The family lived isolated in the mountains.
In introduces the location. It is not the main preposition selected by isolate.
be isolated from
The island is isolated from the mainland.
Describes separation or lack of connection.
keep in isolation
The prisoner was kept in isolation.
A related expression using the noun isolation.
Common mistakes
Some combinations appear in real text but do not mean what learners often assume.
Using in instead of from for separation
Use from when talking about separation from people or influences.
✕ The system isolates users in online threats. ✓ The system isolates users from online threats.Confusing location with verb pattern
In often introduces a place after isolate.
✕ The village was isolated in the capital. ✓ The village was isolated from the capital.Omitting from after isolate
The meaning may become unclear without from.
✕ They isolated the children the crowd. ✓ They isolated the children from the crowd.Quick practice
Choose the expression that matches the intended meaning.
1. The doctor isolated the patient ___ the other patients.
2. The researchers worked isolated ___ a secure facility.
3. The village is isolated ___ the mainland during storms.
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Frequently asked questions
Is isolate from the most common pattern?
Yes. It is the standard way to express separation or protection from something.
Can isolate in be correct?
Yes, when in introduces a location, such as isolated in a room or in the mountains.
What is the difference between isolated from and isolated in?
From shows separation, while in usually shows where the isolation happens.
Related preposition guides
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