Sentence examples for been problematical because the from inspiring English sources

However, rigorous testing of this hypothesis has been problematical because the cell wall is normally an essential structure.

However, interpretation of these data is problematical because although SB203580 has the stress-activated kinases p38 and JNK1/2 as its preferred targets, it does show relatively low overall kinase selectivity.

This type of restricted image use is problematical because experimental work on the nature of concepts suggests that they are best understood as encoding information about both the prototype of the conceptual category, and examples of variation around this prototype (Wisniewski 2002).

And purchasing a watch on eBay could be problematical, because it is often unclear who the seller is.

Correcting for selection bias in genome scans is problematical because no unbiased estimator exists for the scan data alone.

National labels are problematical because words move easily from one branch of the language to another.

But air has to be rendered through indirection, and earth is problematical because it has meanings of different depths.

Response assessment by conventional radiographic methods is problematical because treatment induces fibrosis and makes tumour measurements difficult.

This has been problematical in the past.

However, the selection of markers used in the diagnosis of NED has been problematical.

While this is understandable, given the need to act and make a difference, and thus reduce complexities to concrete activities ("Let's get on, we're doing responsible development, we're OK"), it can be problematical, already because of the lock-ins (i.e. path dependencies) while society (and technology) change.