The phrase "act in isolation" is correct and usable in written English.
It can be used to describe a situation where someone or something operates independently, without influence or interaction from others.
Example: "In order to fully understand the impact of the new policy, we must consider how it might act in isolation from other regulations."
Alternatives: "function independently" or "operate alone".
Environmental stressors rarely act in isolation, giving rise to interacting environmental change scenarios.
Mutations in cancer cells don't act in isolation; they can turn dozens, even hundreds, of other genes on and off.
Moreover, the president said, the United States cannot act in isolation, but must "do some coordination with other countries".
There's no way I'm going to vote for the Dream Act in isolation on the defence bill.
However, proteins rarely act in isolation, and the majority of biological processes are dependent on interactions with other proteins.
It is also a network of franchised or like-minded organizations, and an ideological movement in which followers sometimes act in isolation from leaders.
In most cases, mechanical, material and biological factors do not act in isolation, emphasizing that it is often not possible to optimize all boundary conditions.
Then, we used a technique called functional connectivity, which is useful because we know that the brain is all about networks — individual brain regions don't act in isolation — and the brain is full of exquisitely intricate regulatory mechanisms.
But an international consensus cannot always be forged, of course, and there may be times when the United States feels it has to act in isolation to defend its interests.
The United Nations and other international organizations have tried to address the side effects of growing international trade and investment but have found it difficult to act in isolation.
"We cannot act in isolation in order to protect British citizens". He acknowledged that some countries had "different legal obligations and different standards to our own in the way they detain people and treat those they have detained".
