Y. Tang, X. Gao, Y. Huang, Z. Yu, Y. Shao, and Y. Zi*, “Study of Chitosan-TiO2 Nanoparticles Composite Film Modified Electrode for the Electrochemical Oxidation Behaviour of Nitrite”, ajc, vol. 23, no. 5, pp. 2053–2056, Jan. 2011.