The part of the sentence 'a professional knowledge of' is correct and usable in written English.
You can use it to refer to someone having a specialized body of expertise or information that is acquired through training and experience. For example: She has a professional knowledge of accounting principles.
"But I wanted the salesperson to give me a professional knowledge of how to examine it".
"Graham would have a professional knowledge of these issues, not just a set of protocols to follow".
I don't mean bitter, failed dramatists (as most reviewers are assumed to be), but working playwrights with a professional knowledge of the scene and what it takes to write, revise, rehearse and produce a show.
However, conducting such analyses requires not only a great deal of time but also an advanced professional knowledge of mathematics, statistics and computer science.
Focusing on these laboratory tasks, we developed a test instrument measuring the professional knowledge of prospective laboratory assistants (acronym: PROKLAS) about biochemistry and cell biology.
The participants emphasized the role of professional knowledge of a nurse in his/her power and considered that as one of the crucial factors in gaining power.
Our findings strongly support that PROKLAS allows an empirically separable measure on professional knowledge of laboratory tasks in biochemistry and cell biology.
In this study, we developed an instrument that assesses the professional knowledge of laboratory assistants about laboratory tasks in biochemistry and cell biology.
It was embedded into the KiL-project, which is an interdisciplinary project measuring the professional knowledge of pre-service science and mathematics teachers.
Service providers described two distinct models of trauma care: an 'ideal' model, informed by professional knowledge of the impact of injury and awareness of best models of care, and a 'real' model based on the realities of National Health Service (NHS) practice.
