“…Analgesics (acetaminophen, morfine) C Garcia-Fernandez et al 2000, Ni et al 2004, Uliana et al 2010, Ozcan and Sahin 2011GC Garrido et al 2002, Garrido et al 2003a,b, Torriero et al 2006, Kashefi-Kheyrabadi and Mehrgardi 2012BDD Wangfuengkanagul and Chailapakul 2002, Lourenção et al 2009, Sartori et al 2009, Švorc et al 2012aCNT Wan et al 2009a,b, Goyal et al 2010a,b,c,d,e, Sanghavi and Srivastava 2010,b, Shahrokhian and Asadian 2010, Habibi et al 2011, Lu and Tsai 2011, Arvand and Gholizadeh, 2013 Vela et al 2001, El-Enany et al 2002, Ozaltin et al 2002, Ozaltin et al 2002, Morais et al 2003, Nouws et al 2005a,b, 2006a Belal et al 2001a,b, 2002a, 2001b, 2003, Dumitrescu et al 2001, Ghandour et al 2001, El-Ries et al 2002, Tamer et al 2002, Demircigil et al 2003, Ghoneim and Tawfik 2003a,b, Ioannides et al 2003, Prieto et al 2003, Razak et al 2003 Several general aspects dealing with the voltammetric screening of pharmaceuticals can be applied: -Electrode modification strategies generally used to promote an electrocatalytic effect on the oxidation or reduction of the analyte. In most cases, synergistic eff...…”