A glassy carbon electrode was modified with nitrogen and sulfur co-doped graphene
quantum dots immobilized in chitosan for the monitoring of multivitamins. The graphene …

Rapid analyses of some water soluble vitamins (Vitamin B2, B9, and C) in commercial multi
vitamins could be routinely performed in analytical laboratories. This study reports on the …

To precise screening concentration of ascorbic acid (AA), a novel electrochemical sensor
was prepared using palladium nanoparticles decorated on nitrogen-doped graphene …

The sensing of food contaminants is essential to prevent their adverse health effects on the
consumers. Electrochemical sensors are promising in the determination of electroactive …

The analysis of food components is of high importance due to food safety and security. Here
the electrochemical detection of caffeine was performed on different chemically modified …

A simple and sensitive electrochemical sensor based on (graphene quantum dot)/(gold
nanoparticle) nanocomposite (GQD/AuNP) modified glassy carbon electrode …

For the first time, β-Cyclodextrin (β-CD) attachment to graphene quantum dot (GQD)
structure was performed using simultaneous electrodeposition of GQD and β-CD on the …

The electrochemical determination of five heavy metals is demonstrated using a wireless
and card-sized potentiostat coupled with a smartphone through near-field communication …

Simple and robustic mediator free graphene nanoflake modified glassy carbon electrode (
GNF/ GCE) was used for the simultaneous determination of vanillin (VAN) and guaiacol …

This paper describes the development and utilization of a new nanocomposite consisting of
graphene quantum dots, magnetic nanoparticles and carboxylated multiwalled carbon …