Halls, J. E., & Wadhawan, J. D. (2011). Biphasic voltammetry of N, N, N ', N '-tetraphenyl-para-phenylenediamine microdroplets, microparticles and microparticle suspensions. ELECTROANALYSIS, 23(4), 997-1006. https://doi.org/10.1002/elan.201000633