Sentence examples for chronically challenging from inspiring English sources

Despite these efforts, the relationships among the deepest branches within Neoaves; the positions of a number of chronically challenging taxa such as shorebirds, mousebirds, owls, and the enigmatic hoatzin; and the identification of the first divergence of Neoaves [proposed to have given rise to two equally large clades designated Metaves and Coronaves (25)] remain unresolved.

The popular and powerful concept of the national innovation system is being chronically challenged by continuous and ongoing processes of supranational and global integration.

Sharpton said he and the other activists hope to help the president press for provisions in the jobs bill aimed at helping chronically challenged communities.

Mice were rested for eight weeks, then chronically challenged with allergen.

To this end, mice were chronically challenged with cockroach antigen as detailed in Fig. 1A.

Control and B cell −/− were chronically challenged with CRA and the levels of Th2 cytokines in the lungs were determined by analysis of whole lung homogenates and bronchoalveolar lavage by Bioplex multiplex assay.

Female BALB/c mice were systemically sensitised with ovalbumin (OVA) and chronically challenged with low mass concentrations of aerosolised OVA for up to 6 weeks.

Compared to naïve mice, there was selective upregulation of a modest number of miRNAs, notably miR-126, in the airway wall tissue of chronically challenged animals.

Significantly, although typical eosinophilic asthmatic inflammation did develop in animals that were exposed to particulates, then sensitized and chronically challenged, AHR was absent.

Compared to naïve mice, there was selective upregulation of a modest number of miRNAs in the airway wall tissue of sensitised, chronically challenged animals.

We found that characteristic features of asthmatic inflammation developed only in animals that received particulates at the same time as respiratory sensitization, and were then chronically challenged with allergen.