Electrochemical sensor for folic acid based on a hyperbranched molecularly imprinted polymer-immobilized sol–gel-modified pencil graphite electrode
Sensors and Actuators B: Chemical (2010) - Comments
doi: 10.1016/j.snb.2010.02.025  issn: 0925-4005 

Bhim Bali Prasad, Rashmi Madhuri, Mahavir Prasad Tiwari, Piyush Sindhu Sharma