The phrase "be of particular help" is correct and usable in written English.
It can be used when you want to express that something or someone is especially beneficial or useful in a specific context.
Example: "Your expertise in this area will be of particular help during the project."
Alternatives: "be especially helpful" or "be particularly beneficial."
He will be of particular help to PABLO MASTROENI in our midfield".
They could be of particular help to young borrowers such as student or applicants with little credit history.
China is hungry for know-how, and Japan thinks it can be of particular help in providing environmental technology.
The videos can be of particular help to researchers who are not naturally aware of the dexterity that a specific laboratory procedure requires.
That could be of particular help to Senator Guy J. Velella, a Republican whose district in the Bronx and Westchester is more than 2-to-1 Democratic.
Mr. Bloomberg said the uniform curriculums would be of particular help to the many students and teachers who move often from school to school.
This has been of particular help to the 30 or so children with severe learning difficulties, says Elias Portugal, a special-needs teacher at the school.
The transformation between different digital formalization's and visualizations and their respective levels of abstraction is of particular help in the design process and is a topic of ongoing research.
HR HN PET/CT is of particular help in the identification of subtle morphological findings essential for the diagnosis of local tumour spread and for the detection of small lymph node metastases and recurrent disease, thus reducing false-negative PET/CT readings (see below).
I had a lot of great teachers, but F. Scott Hess (who is now a Huffington Post blogger) was of particular help in that regard.
Dropouts reported higher levels of stress and illness, so perhaps socializing at senior centres would have been of particular help to these people.
