The phrase "gain more knowledge of" is correct and usable in written English.
You can use it when referring to someone or something acquiring more information in a specific subject or field. For example: "As a doctor, I'm constantly striving to gain more knowledge of the latest medical treatments."
She enrolled in order to gain more knowledge of the subject she was assigned to teach, she said.
After completing A-levels in business, 3D design and accounting, Mistry was keen to gain more knowledge of business, but the idea of being "tied down" to a three-year university course didn't appeal.
To gain more knowledge of motion picture techniques, he took night classes in art direction, photography and editing at USC.
To gain more knowledge of foodborne spread as a potential mechanism of dissemination of resistance genes, we undertook an extensive molecular epidemiologic analysis of these isolates.
It could be that with more years of experience, pharmacy staff may gain more knowledge of the type of questions which should be asked.
The scientific step to take is to gain more knowledge of mechanisms before running ahead with new randomized controlled trials using new cocktails.
In this study, a "reaction engineering" approach was adopted to gain more knowledge on the growth of Sa. algeriensis and its dithiolopyrrolone production on a semi-synthetic liquid medium.
Even though we found a low prevalence (0.058%: two out the 3408 individuals enrolled in our study) of HTLV-1 infection, up-to-date information is necessary in non endemic countries to gain more knowledge on the spread of this virus.
Our objective was to test the feasibility of the intervention program and to gain more knowledge on the attitudes and beliefs of parents towards PS exposure in children and the barriers parents may encounter when eliminating or reducing PS exposure in their children.
Thus, further investigation down to the molecular level is essential to gain more knowledge on the underlying mechanism of association and to prevent potential misclassification bias.
To gain more knowledge on the therapeutic potential of the NBD peptide in humans, we extended the experiments to another pivotal cell type in the pathogenesis of RA, the macrophage.
