Highly sensitive nanostructure voltammetric sensor employing Pt/CNTs and 1-butyl-3-methylimidazolium hexafluoro phosphate for determination of tryptophan in food and pharmaceutical samples

1-Butyl-3-methylimidazolium hexafluoro phosphate, Pt/CNTs modified carbon paste electrode exhibited high catalytic activity and analytical performance towards the electro-oxidation of tryptophan in this work.142