Booth 6269. Coulochem III combines coulometric and amperometric detection in a flexible system that offers redox capability in a single cell. Compatible with all HPLC columns and offering a choice of operating modes, the device quantifies picogram to femtogram levels of oxidizable or reducible neurochemical, clinical, pharmaceutical, environmental and biological compounds in a sample. Integrated organizer module saves valuable bench space and provides a protected, temperature-stabilized environment for columns and cells. ESA Biosciences, Inc. 978-250-7000 www.esainc.com