New technique tracks individual protein movement on live cells

The piece of gold that Richard Taylor was thrilled to track down weighed less than a single bacterium. Taylor, a postdoctoral fellow at the Max Planck Institute, was working to follow individual nanogold-labeled molecules ...

Gut reactions to improve probiotics

When bacteria enter the body, they have a great deal to overcome to colonize the colon. First, they must survive harsh environments with very few salts without bursting (unlike human blood cells within water). Then, they ...

'Lipid asymmetry' plays key role in activating immune cells

A cell's membrane is its natural barrier between the inside of a cell and the outside world—composed of a double layer (bilayer) of lipids (such as fats, waxes, sterols, or fat-soluble vitamins). Intriguingly, it's been ...

page 2 from 3