Jeykumari, D. R. Shobha, R. Kalaivani, and S. Sriman Narayanan. 2012. “Nanobiocomposite Electrochemical Biosensor Utilizing Synergic Action of Neutral Red Functionalized Carbon Nanotubes”. Nano-Micro Letters 4 (4):220-27. https://doi.org/10.1007/BF03353718.