The electrode is especially suited for measuring the presence and/or concentration of nitric oxide in a sample....http://www.google.com/patents/US20080223734?utm_source=gb-gplus-sharePatent US20080223734 - Nitric oxide sensorAdvanced Patent SearchPublication numberUS20080223734 A1Publication typeApplicationApplication numberUS 11/877,454Publication dateSep 18, 2008Filing dateOct 23, 2007Priority d