An atomic force microscope can reveal a range of subsurface information about a sample through mechanical excitation of both the sample and the tip. Imaging beneath the surface of a sample has always ...

The outer membrane protein A of Escherichia coli (OmpA) is an intensely studied example in the field of membrane protein folding. We have determined the structure of the OmpA transmembrane domain ...

Crude-sensitive stocks were among the worst hit in Monday's trade even as Sensex and Nifty fell nearly 2 percent. Paints and tyre stocks fell sharply on concerns on rising input costs as crude soared.