Aminopyrene functionalized mesoporous silica for the selective determination of resorcinol.
Aminopyrene was convalently anchored onto the surface of mesoporous MCM-41 silica by post-grafting. This organic-inorganic hybrid has been applied as sensing material to phenols determination. Experimental results reveal that the functionalized material presents good sensitivity and selectivity towards resorcinol and can be used for resorcinol determination in water at pH 6.0. The fluorescence intensity of aminopyrene functionalized mesoporous silica decreases proportionally to the logarithm of resorcinol concentration in water. The linear range for resorcinol detection lies in 4.79-163muM with a detection limit of 2.86muM (S/N=3).
Xiao
Wenxiang
W
College of Chemical Engineering, Sichuan University, Chengdu 610065, China; Department of Electronic Engineering, Guilin University of Electronic Technology, Guilin 541004, China.
Xiao
Dan
D