Ai. Tsapin et al., DETERMINATION OF NO-SYNTHASE ACTIVITY IN THE BRAIN - A NEW METHOD, Bulletin of experimental biology and medicine, 117(1), 1994, pp. 39-41
The method is based on the well-known reaction of nitric oxide with di
ethyldithiocarbamate and Fe(II), yielding a paramagnetic mononitrosyl
complex, measurable by EPR spectroscopy.