The phrase "a viable area of" is correct and usable in written English.
It can be used when discussing a field, topic, or domain that is practical, feasible, or capable of producing results.
Example: "Sustainable energy is a viable area of research that can lead to innovative solutions for climate change."
Alternatives: "a feasible field of" or "a practical domain of".
Although philosophical logic is now a relatively small field in comparison to logical AI, it remains a viable area of research, with new work appearing regularly.
Eco-tourism, sewing and selling tribal carvings, jewelry and music has become a viable area of economic opportunity.
Our findings suggest that self-generated motor output does not form a viable area of endophenotypic research, even though speed and variability of self-generated motor output correlate within families.
Recent evidence has indicated that the induction of apoptosis in human colon carcinoma cell system take advantage from response to various antimitotic drug treatments, enforcing the idea that targeting the mitotic kinases, such as Aurora B, is a viable area of research for the exploitation of novel anticancer strategies in the treatment of colorectal cancer patients.
It is still possible that there will be some changes to the Medicare program this year, but Medicaid is quite likely a more politically viable area of change.
Daily treatment of mice bearing RIF-1 tumours caused tumour stasis, and consistent with this, histology at the endpoint of 5 days showed a decrease in total tumour area and a proportional decrease in the viable area of approx. 35% compared to vehicle (both not significant, p < 0.1).
The viable area of the tumor was considered as condition positive (validation standard) (Fig. 4c 5 + 6 + 7), and the necrotic area was considered as condition negative (Fig. 4c 1 + 2 + 3 + 4).
In each pair of co-registered FDG-PET slice and its corresponding macroscopic histological image, different GTAs generated from methods I III were tested against the viable area of the tumor in the corresponding histological image.
For qRT-PCR analysis of kidney cancer patient samples, the viable area of each tumor tissue was used to obtain high-quality RNA, extracted using TRIzol reagent (Invitrogen, Stockholm, Sweden).
As expected, GPNMB staining of the viable area of the postoperative sample (excluding the necrotic tissue) was clearly weaker than that of the preoperative sample (Fig. 3C).
For each H&E- and Ki-67-stained section, five random non-overlapping fields at a magnification of × 400 (high-power field (HPF)) in the viable areas of tumours were captured with an Olympus Camedia C-3030 Zoom digital camera (Olympus, Tokyo, Japan).
