Nanomolar simultaneous determination of tryptophan and melatonin by a new ionic liquid carbon paste electrode modified with SnO2-Co3O4@rGO nanocomposite
Ionic liquid-SnO2-Co3O4@rGO nanocomposite as electrode material This modifier can promote the electrochemical properties of carbon paste electrode. Determination of tryptophan and melatonin was investigated.