J Midwifery Womens Health. 2009;54(3):259-260. Stripping membranes, sometimes called membrane sweeping, is a method used to try to start labor. The health care provider puts her or his finger into ...

Cell membranes protect and organize cells. All cells have an outer plasma membrane that regulates not only what enters the cell, but also how much of any given substance comes in. Unlike ...

(1) Most QWERTY computer keyboards use a single rubber-like membrane underneath the keys that makes contact with a circuit board when the key is fully depressed. Also called a "dome switch ...

A new ambient-energy-driven membrane that pumps carbon dioxide out of the air has been developed by researchers. A new ambient-energy-driven membrane that pumps carbon dioxide out of the air has ...

Its main purpose is to resist hydrostatic pressure exerted by moisture in the liquid state. Waterproofing membranes consist of waterproof plastic, rubber, or coated-fabric materials. The materials are ...

Volkov, Victor V. and Righini, Roberto 2009. Partitioning of an Anchor Dipeptide in a Phospholipid Membrane. The Journal of Physical Chemistry B, Vol. 113, Issue. 50 ...

This takes place when molecules diffuse across the cell membrane by travelling through specific transport proteins. It occurs down a concentration gradient - molecules move from an area of high to ...

Membrane proteins are proteins found in cell membranes, either at the surface or on intracellular organelles. Integral membrane proteins such as receptors and ion channels span the membrane ...

Lea Winter, assistant professor of chemical & environmental engineering, proposes the use of electrified membranes made with carbon nanotubes as a strategy for nitrate removal in drinking water.

The Visking tubing is the selectively permeable membrane. Water moves by osmosis from the high water concentration (dilute solution) in the beaker into the low water concentration (concentrated ...