Biologists have discovered means for speeding the transport of the active ingredients of drugs into live cells that might allow drastically reducing drug dosages in the future. Biologists at the ...

New technique to image single lipids: Lipids are notoriously difficult to detect with light microscopy. Using a new chemical labeling strategy, the Dresden team has overcome this limitation, enabling ...

Calcium is a very special nutrient. In the cells of most living beings calcium ions function as so-called second messengers to transmit important signals. The same applies equally to animal, plant and ...

This is a preview. Log in through your library . Abstract Cells of Escherichia coli contain two nucleoside-transport systems. Energy-starved cells of a strain containing only one of these systems and, ...