Sentence examples for remain challenge from inspiring English sources

Furthermore, in conventional QD-linked biomedicine sensors, excited by single optical field, the fluorescence emission efficiencies still remain challenge due to the coated chemicals, the autofluorescence of background and the copy number of the target to each QD [36].

However, the repair and reconstruction of synthetic bone grafts for large bone defects remain challenge due to insufficient vascularization in addition to limited osteoinductivity and osteogenesis in vivo once implanted.

Policy implementation will remain challenging.

But there remain challenges ahead.

But he said 2002 would remain challenging.

"The outlook for the year will remain challenging.

Chief executive Mike Coupe said: "Market conditions remain challenging.

In such IOSC devices, however, ZnO nanostructures still remain challenging.

However, problems specific to effective mould construction still remain challenging.

Reconstructions of composite and three-dimensional knee defects remain challenging.

* Cost, infrastructure remain challenges.