In recent years, regulatory agencies have zeroed in on the presence of heavy metals in pharmaceutical and biopharmaceutical drug substances. The result has been more stringent regulation of allowable metal content in APIs. Read More

The term "metal scavengers" might call up images of strolling along a sunny beach, metal detector in hand, hunting for gold among glittering grains of sand. But in the context of chemistry, the "beach" is a drug and the "metal detectors" are silica gels. Metal scavengers are functionalized silica gels designed to react and bind excess metal complexes. They are essential to public health. Read More