Sentence examples for mediated by diffusion from inspiring English sources

Transport across the cellular membrane is mediated by diffusion or megalin-mediated endocytosis prior to binding of the ligand by intracellular vitamin D binding proteins (IDBPs) within the cytoplasm.

For many central nervous system transmitters, condition 4 is mediated by diffusion and reuptake through plasma membrane transporters.

The presence of a strong size dependence also suggests that solute transport during US application may be mediated by diffusion as opposed to convection.

Conversely, the entry of drug into brain parenchyma from the CSF compartment is mediated by diffusion, a process that is much slower than CSF convection and bulk flow.

Although it is not known whether this loss is passive or whether it involves an active transport process (Fukuda et al, 1993a, 1993b), the different efflux rates observed by Iinuma et al (1994) using different cell lines, suggest that the mechanism is not simply mediated by diffusion.

It therefore seems likely that transfer of IRG proteins to the vacuole is mediated by diffusion from the cytosolic pools of these proteins (Martens et al., 2004; Martens and Howard, 2006) and activation of IRG proteins by GTP binding probably occurs at the PVM (Hunn et al., 2008; Papic et al., 2008).

Therefore, in the fixed lattice frame, only the point defect fluxes are independent, i.e., the atom diffusion is mediated by the diffusion of point defects.

In the case of nanos mRNA, such relocalization is delayed until stage 10 and is mediated by a diffusion trap mechanism in which cytoplasmic streaming and Oskar protein facilitate diffusion and trapping, respectively [19].

More recent progresses have been made in modeling curved biological membranes spreading on a flat substrate mediated by binder diffusion [32], [33], as well as receptor-mediated cellular uptake and release of viruses or nanoparticles [34].

Both the ascorbate and DHA transport is mainly mediated by facilitated diffusion or active transport systems (Ishikawa et al. 2006).

This technique makes it possible to design model systems to study cellular communication mediated by the diffusion of soluble factors within 3-D matrices.