Yalçıner, F., E. Çevik, M. Şenel, and A. Baykal. “Development of an Amperometric Hydrogen Peroxide Biosensor Based on the Immobilization of Horseradish Peroxidase onto Nickel Ferrite Nanoparticle-Chitosan Composite”. Nano-Micro Letters, vol. 3, no. 2, July 2011, pp. 91-98, doi:10.1007/BF03353657.