Preparation of a novel fluorescence nanosensor based on calcein-doped silica nanoparticles, and its application to the determination of calcium in blood serum
(1) Department of Chemistry, School of Chemistry and Materials Science, Shaanxi Normal University, 710062 Xi’an, P.R. China;(2) School of Materials and Chemical Engineering, Xi’an Technological University, 710032 Xi’an, P.R. China