Insufficient sleep in the teenage years has been associated with increased risks of disciplinary problems, sleepiness in class and poor concentration, not to mention traffic accidents.
It takes concentration not to spill the hot soup, and the occasional loud gasp is audible proof that not everyone manages it.
"Everton always looked a threat and we needed good focus and concentration not to concede a second goal.
With or without children, any major disruption will put a kink in our powers of concentration, not to mention our abilities to eat, to sleep, to manage moods.
The activity of MZ1 is dependent on binding to VHL but is achieved at a sufficiently low concentration not to induce stabilization of HIF-1α.
After describing the science behind his finding, he warned: It is not difficult to make microbes resistant to penicillin in the laboratory by exposing them to concentrations not sufficient to kill them, and the same thing has occasionally happened in the body.
Concentrations not leading to sensory irritation after acute exposures are not expected to result in adverse effects after prolonged exposures.
In these studies, the cell-culture media include certain vitamins and minerals at concentrations not equal to the physiological levels.
For instance, we found ABC-transporters that were only significantly upregulated in response to the low concentration, but not to the high concentration of phenanthrene, and vice versa.
Final DMSO concentration was 1%, a concentration found not to affect results.
