Sentences with word «semipermeable»

By contrast, gaseous diffusion did not have the necessary semipermeable membranes when Groves decided to use it, and it took two more years — until 1944 — to develop them.

A coin - sized, semipermeable pouch is key to the proposed implant.

The company C2Sense, which licensed the technology, is working on creating portable prototypes that will encapsulate the nanotubes and a tiny battery in semipermeable, food - safe material.

Or maybe there's a flexible, semipermeable boundary somewhere that limits mixing to only the most insistent slabs or plumes.

Stress has been shown to reduce the integrity of the epithelial cells that the important semipermeable membrane is comprised of.

The gut microbiome strengthens this barrier and prevents «leaky gut», which is when the small intestines become semipermeable and bacteria (as well as other toxins and undigested food particles) are able to enter the bloodstream.

Free south african dating club semipermeable and illiberal vail.

Complex cells use semipermeable membranes, pores, vacuoles, and wall structure to do the bulk of the ion transfer related exchanges of the bulk materials.

It's clear that the gang at Cranfield University have worked really hard and there is some sophisticated stuff going on here with semipermeable membranes, but it seems that the PR department has got out of control.

Architects could design a building that is semipermeable, with membranes that allow the circulation of air and water at various times.

For example, I use melanzane alla Parmigiana [eggplant parmesan] to explain osmosis, the process during which solvents like water move through a semipermeable membrane from an area where solutes like salt are at lower concentration to an area where they are at higher concentration.

Seawater is forced through a semipermeable membrane that separates salt from water.

FO takes advantage of the osmotic pressure difference between a concentrated «draw» solution and a raw water stream to drive water through a semipermeable membrane.

When a saline solution sits on one side of a semipermeable membrane and a less salty solution is on the other, he explains, water diffuses through the membrane from the less concentrated to the more concentrated side.

These semipermeable membranes allow fuel to flow in while keeping the enzymes and redox mediators from leaking out.

The OMEGA bags are semipermeable membranes that NASA developed to recycle astronauts» wastewater on long space missions.

«Reverse osmosis is really the heart of our process, and it involves forcing water through a semipermeable membrane that is essentially designed as a molecular sieve, allowing water molecules to pass through but rejecting other dissolved molecules and ions,» said study co-author Jason Dadakis, OCWD's director of health and regulatory affairs.

In the human gut, for example, multiple layers of tissue combine to form a semipermeable barrier that allows useful nutrients in the alimentary canal to pass through and enter the bloodstream while deflecting potentially harmful bacteria and ingested toxins.

The semipermeable membranes required to produce the fluid flow that characterizes osmotic phenomena initially came from biological sources; French scientist René Dutrochet wrote in 1828, «it appears from these new studies that the endosmotic and exosmotic phenomena, which I discovered, belong to a new class of physical phenomena, whose powerful intervention in the vital phenomenon is no longer doubtful.»

ViaCyte grows replacement insulin - producing cells from human embryonic stem cells, which are placed in a semipermeable pouch.

Yet, it turns out the 22 - square - foot (on average) external organ that is our skin not only gives us a presentable appearance, but keeps us from evaporating, guards the body from damaging sun rays, and acts as a semipermeable membrane that allows us to absorb vitamins, minerals, and — here's where the horrified piece comes into play — chemicals!

The semipermeable membrane separates many contaminates (which usually have a larger particle size than water) from the water and rejects a large amount of water in the process.

From these, scientists can measure how much of an agent permeates through this semipermeable layer to the other side.

Reverse osmosis water is water that has been strained of molecules, ions, and larger particles via a semipermeable membrane, leaving it devoid of most elements.

Water travels through copper non-leaching pipes through a semipermeable membrane, clearing the water of large contaminants before being filtered through a biodegradable, organic, coconut shell filter.

A leaky gut is an insidious disease where the semipermeable membrane, which regulates the absorption of nutrients into your bloodstream from the small intestine, gets compromised.

The test addresses the following areas: - difference between living and nonliving things - semipermeable membrane - the sequence of increasing or decreasing levels of organization of the human body - the cell theory - Hooke and Leeuwenhoek - four common structures found in all cells - prokaryotic vs. eukaryotic cells - functions and structure of microscopes - cell organelles - difference between plant and animal cells - procedure for making a wet - mounted slide

1) Diffusion of fluid through a semipermeable membrane from a solution with a low solute concentration to a solution with a higher solute concentration until there is an equal concentration of fluid on both sides of the membrane.