Reduced Graphene Oxide nano-composites layer on fiber optic tip sensor reflectance response for sensing of aqueous ethanolM. A. A. Rosli, P. T. Arasu, A. S. M. Noor, H. N. Lim and N. M. HuangJ. Eur. Opt. Soc.-Rapid Publ., 12 1 (2016) 22DOI: https://doi.org/10.1186/s41476-016-0024-6