The phrase "a concerned issue for" is not correct in standard written English.
It may be intended to express that something is a matter of concern, but the phrasing is awkward and unclear.
Example: "Climate change is a concerned issue for many scientists and policymakers."
Alternatives: "a pressing issue for" or "a significant concern for".
The chiral inversion has been a concerned issue during the research and development of a chiral drug.
However, the response time to several operational functions is measured individually as listed in Table 5, and the rating of three different ERP systems is the most concerned issue for the enterprise and its summary is listed in Table 6.
The industrial performance of the parallel manipulator is one of the most concerned issues for both researchers and engineers.
The concerned issue is still an open research topic and is not fully addressed and investigated.
The childhood obesity problem has caught the attention of policy makers at all levels of government and has become a front-burner issue for concerned community and business leaders.
In a blog post, Mr. Lindsay defended the day of blasphemy as a reminder that the right to blaspheme is curtailed in much of the world and so "remains a live issue for anyone concerned about human rights".
Disentangling the two risk factors would allow a more targeted approach to reducing UV exposure in the population and should be a major issue for anyone genuinely concerned with public health.
In particular, Street Corner recycled Babb's plot, substituting a concerned physician for a concerned teacher.
Electromagnetic (EM) load is one of the most concerned design issues for the in-vessel components in the Tokamak device.
We were excited to get 100 percent participation in the survey but concerned to find that communication was still an issue for our employees.
