Sentence examples for lack of a marker from inspiring English sources

Early detection of liver cancer is problematic due to the lack of a marker with high diagnosis sensitivity and specificity.

To date, species-discriminating barcodes efficiently describe bacterial and fungal communities associated with environmental samples, whereas investigations of soil microfauna are often hampered by the lack of a marker region encompassing the taxonomic range of soil organisms.

Challenges include variability of EBC production between individuals, the lack of a marker of dilution, and potential influence of different collection devices [18].

The pedigree recommended in Fig. 1 works well for mutations that have a closely linked XFP gene, and for mutations that cannot be made homozygous or that are difficult to trace because of a lack of phenotype or lack of a marker gene.

Moreover, the lack of a marker combination that uniquely identifies OECs further underscores the timeliness of the current study.

Some cross-lineage aberrancies, as well as those asynchronous aberrancies that are characterized by complete lack of a marker, were apparently the easiest to define.

In the long term, the lack of a straightforward marker for identifying the PINA-null allele leads us to develop a Pina-N1 marker for detection of Pina-D1b allele [ 29].

For whatever reason — fatigue, disinterest, or lack of a working marker — the letters were not filled in.

But it has been hard to put a date on when the first people set foot in the Americas, for lack of a suitable marker in the Y chromosome.

Background/Purpose: The accurate and early diagnosis of intestinal ischemia remains difficult chiefly because of a lack of a suitable marker that is noninvasive and easy to use.

Moreover, the lack of a specific marker of tendon progenitor would not allow the application of cell sorting for the enrichment of the progenitor population.