Periplasmic expression with cytometric screening (PECS) is a powerful and rapid “display-less” technology for isolating ligand-binding proteins from diverse libraries. Escherichia coli expressing a ...

WE have been very interested to see the letter by Weil and Williams 1 and their remarks on the value of Day's work on chromatography in columns of powdered limestone and fuller's earth, and on ...

An atherectomy is a minimally invasive procedure to remove plaque buildup from an artery (blood vessel). Removing this plaque allows blood to flow more freely through the artery. An atherectomy treats ...