... techniques that allow complete pre-implantation development to the blastocyst stage in vitro. One of the major stumbling blocks to worldwide acceptance of a single embryo transfer policy is the lack ...
... of making up for it through increased reproduction. It really is about the bycatch."
Another major stumbling block is that bycatch typically involves a large variety of nontarget species, whereas ...
... parts, Oulton said. The construction of a compact optical transistor is currently a major stumbling block in the progress toward fully optical computing, and this technique for compacting light and ...
... materials, reading only highly relevant letters and documents in the archives.
However, there was a major stumbling block in his research path. The letters, although expertly categorized and ...
... called parasitic capacitance, an unwanted background that obscures the signal and has been a major stumbling block to the advancement of similar technology.
"When we operate at these higher harmonics ...
... . Localizing antibiotics to the lungs allows for higher concentrations, but resistance is still a major stumbling block. Antibiotic resistance is a bigger problem now than it was five or 10 years ago ...
... of therapy is limited, especially among lower-income, minority and rural populations.
"A major stumbling block in providing pulmonary rehabilitation for COPD has been the lack of adequate funding ...
... and may aid in the development of new teaching techniques. "Fractions are often considered a major stumbling block in math education," said Daniel Ansari, PhD, at the University of Western Ontario in ...
... .
"The need to use high-frequency external fields to control spin is one of the major stumbling blocks in using electrons for information processing, or in a spintronic circuit," notes Joshua Folk, ...
... twice the production time. At present, this linear scaling poses a major stumbling block for the fabrication of useful quantities of microscopic objects with a sophisticated architecture, which are ...
... under standard culture methods.
"Finding a better way to culture liver cells has been a major stumbling block in the development of predictive drug-discovery tools," says Yaakov Nahmias, PhD, of ...
... in nanoscale devices, but precisely arranging them into desirable geometric patterns has been a major stumbling block.
"After hearing Paul's talk, Hareem got excited about the idea of putting ...
