Balamurugan, Murugesan, Madasamy, Thangamuthu, Pandiaraj, Manickam, Bhargava, Kalpana, Sethy, Niroj Kumar, Karunakaran, Chandran, "Electrochemical assay for the determination of nitric oxide metabolites using copper(II) chlorophyllin modified screen printed electrodes", Analytical Biochemistry, 2015