Depending on the structure and need, the waterproofing membrane can either be applied to the interior (negative), such as the case with repairs, the exterior (positive), or in places inaccessible by ...

How is all that accomplished so efficiently? The answer lies in a membrane structure called myelin. All information both to and from the body must be coordinated and transmitted simultaneously and ...

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 ...

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 ...

The net movement of water from a region of high water concentration to a region of low water concentration through a selectively permeable membrane. This means osmosis is a special case of ...

Researchers at Karolinska Institutet in Sweden have succeeded in delivering targeted cancer treatment via small membrane bubbles that our cells use to communicate. An HIV vaccine candidate ...