News tagged with x ray fluorescence

Solving molecular structures

Determining the chemical formula of a protein is fairly straightforward, because all proteins are essentially long chains of molecules called amino acids. Each chain, however, folds into a unique three-dimensional shape that ...

dateJun 09, 2016 in Biochemistry
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Silicon can be made to melt in reverse

Like an ice cube on a warm day, most materials melt -- that is, change from a solid to a liquid state -- as they get warmer. But a few oddball materials do the reverse: They melt as they get cooler. Now a team of researchers ...

dateAug 02, 2010 in Nanomaterials
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