Icebergs and pack ice can shift unpredictably, blocking restricted passages, often in just a matter of hours.
People who restrict passage, threaten, film, insult, or follow patients will be liable to fines or even jail time.
Membrane filters are comprised of well-defined pores, designed to restrict passage to cells below a critical size.
These structures allow passive exchange of ions, small molecules and small proteins (<20 KDa), but restrict passage of macromolecules to only those bearing appropriate signals.
In contrast to Gram-negative bacteria, Gram-positive cells possess an extensive exterior network of peptidoglycan which physically restricts passage of exogenous DNA into the cell.
The purpose of this article is to assess current evidence supporting the use of the peripherally acting μ-opioid receptor antagonist, methylnaltrexone, to restrict passage across the blood brain barrier in patients with opioid-induced bowel dysfunction.
The BBB consists of the brain capillary endothelial cells connected by tight junction proteins, such as occludin and claudins 1, 2 that circumferentially surround the cell margin restricting passage especially for hydrophilic and positively charged drugs into the CNS.
Cell passage was restricted to passages 6 10 for the experiments.
Israel has severely restricted the passage of people and goods in and out of Gaza since Hamas took power there.
