High Sensitivity Electrochemical Cholesterol Sensor Utilizing a Vertically Aligned Carbon Nanotube Electrode with Electropolymerized Enzyme Immobilization. - Anurat Wisitsoraat; Chanpen Karuwan; Krongkamol Wong-ek; Ditsayut Phokharatkul; Pornpimol Sritongkham; Adisorn Tuantranont (Sensors, 2009)