"isolated state" is correct and usable in written English.
It is generally used to refer to a set of conditions in which a person or group is cut off from the rest of society, either physically or figuratively. For example, "The elderly man felt trapped in his isolated state."
Conformational energies of models of polyethylene (PE), isotactic-polypropylene (i-PP), atactic-polypropylene (a-PP) and polyisobutylene (PIB) with different chain lengths in their unperturbed liquid state (El), unperturbed isolated state (Eiu) and perturbed isolated state (Eip) at 190 °C were computed using molecular dynamics simulation.
Not one case of the disease had been reported in the isolated state.
The UN Security Council imposed harsh new sanctions on the isolated state last week for the nuclear test.
Intelligence from inside the isolated state is notoriously thin, and only a handful of outsiders have met him.
The report pledges better cooperation with other countries -- a possible sign that the isolated state will continue its recent opening to the outside world.
A few weeks later he shot a rocket into the sky, triggering international condemnation and threats of further sanctions against the isolated state.
A small, economically backward and isolated state, North Korea is surrounded by vastly more powerful rivals and adversaries, including South Korea, which maintains technical superiority in conventional arms.
The North is a broken, isolated state, though one that, improbably, has not only survived for more than 50 years but has built a small nuclear arsenal.
Why the priority to nuclear and missile capabilities by this small, isolated state, and what kind of and how much of a threat is it?
In practice, parent materials can be deposited continually by wind, water, or volcanoes and can be altered from their initial, isolated state, thereby making identification difficult.
But going from being mayor of a town with less than 10,000 inhabitants to being the governor of an isolated state with roughly the population of Leeds, she must have dismissed these dreams as unrealistic.
