Sentence examples for be needed only when from inspiring English sources

Our results show that the highest expression level of VEGF-A can be maintained through daily transfections; however, the accumulated VEGF-A protein is stable for at least 3 days in culture as assayed by ELISA (data not shown), thus repeated transfections may be needed only when the culture medium was refreshed.

All of which makes for good political spinning but "spin" is needed only when candour will not work.

Such mechanisms are important in the cell because they prevent the synthesis of enzymes that a cell cannot use; e.g., β-galactosidase is needed only when its substrate (lactose or galactose) is present.

Note that the regulation provided by FC is needed only when the TN limits the performance.

An injection of ATP is needed only when a transient cardiac standstill is requested, such as in endovascular grafting surgery.

Nevertheless, even the weight distributions do not change much, and care is needed only when interpreting the weight distributions of call networks aggregated over very short periods of time.

Upon intraperitoneal VACV infection, a strong humoral immune response is necessary to control the infection and CD8+ T cell response is needed only when the antibody response is abrogated [15].

The main advantage of this approach is that professional clinicians are needed only when individuals at high risk reach the clinical setting.

They suggest that it is sufficient for the axial component to be used in the simulation and radial components are needed only when it is needed to understand the secondary flow components in the flow, such as particle tracking.

Clarification is usually needed only when there are alternative points of view on an issue.

Cross-sector approaches may be needed not only when addressing health issues but also for environmental and societal problem solving.