Lonza (Basel, Switzerland; edlinks.chemengonline.com/6898-553) has commercialized an online monitoring system, called PyroSense, for the automatic detection of endotoxins in water systems. The PyroSense system provides automatic, quantitative determination of endotoxin in water at selected intervals, using a standard assay system with a patented endotoxin-specific PyroGene recombinant Factor C assay.