'confirm viability' is correct and can be used in written English.
You can use it when you need to check the success or possibility of something. For example, "I need to confirm viability of the project before we proceed."
GFP-hMSCs were re-plated post-surgery to confirm viability (Figure S4).
All women had an ultrasound scan to confirm viability of pregnancy and gestational age.
This was performed to confirm viability of hASCs directly engrafted, as well as their cell progeny.
All women had an ultrasound scan to confirm viability of pregnancy and gestational age; none were over 12 weeks gestation.
Bacterial cultures were subcultured from stock agar plates and grown in Tryptone Soya broth overnight to confirm viability.
To confirm viability data at each step, identical plates were produced and cell viability assessed using the CellTiter-Glo reagent (Promega).
Confocal microscopy confirmed viability of osteoblasts and at day 20, groups seeded with rhBMP-2 displayed heightened cell death as compared to control.
The enhanced moderation of the IRIS fuel lattice facilitates MOX core design, and all the obtained results are within the operational and safety limits considered thus confirming viability of this option from the reactor physics standpoint.
Drop inoculations on the host plant Mirabilis jalapa showed sporulating infections 3 4 days post spore inoculation and confirmed viability of the P. mirabilis zoospores (data not shown).
More than 30 years ago, Russian researchers confirmed viability of other microorganisms (fungus, diatoms, etc).
A Measurement of DNA content through quantification of Hoechst staining intensities (white) confirms viability phenotypes observed in the ATP-based CellTiterGlo assay (black).
