"prove usefulness" is a correct and usable phrase in written English.
You can use it to ask someone to demonstrate the usefulness of something, for example, "Can you prove the usefulness of this new tool?".
In AM studies, population structure is commonly estimated by using SSR derived information, because of the proven usefulness of this type of markers for population genetics inferences and their higher information content when compared to biallelic markers [ 9, 23- 28].
PET, based on the [18F]FDG method, is of proven usefulness in the diagnosis and monitoring of therapy in patients with lymphoma.
Some examples of predicted 5'-end extended Danio rerio cDNAs were selected and verified experimentally, which proved usefulness of the method.
The 1 km buffer was chosen because of its proven usefulness in past build environment-related research and its compatibility with our intersection density measure.
The proven usefulness of HILIC-MS for the analysis of complex oligosaccharide mixtures [ 156– 160] will surely lead to its widespread application in the future.
CA 125 as a tumor marker has proven usefulness for the clinical management of patients with ovarian cancer in following clinical course, evaluating effectiveness of treatment, and detecting disease recurrence.
It is known that ER and PR expression are the only predictive factors with proven usefulness in selecting patients who are likely to respond to adjuvant endocrine therapy [ 6, 7].
To prove the usefulness of this platform, this methodology was used to identify cancer-associated splice variants in lung cancer.
For now, Dr. Whitesides is eager to see his inventions prove their usefulness in the real world.
