Non-enzymatic Glucose electrochemical sensor made of porous NiO thin films prepared by reactive magnetron sputtering at oblique angles

Tuning the NiO Thin Film Morphology on Carbon Nanotubes by Atomic Layer Deposition for Enzyme‐Free Glucose Sensing

“…In the presence of glucose, the anodic peak current increases with the increase of the glucose concentration, pointing to a strong electrochemical response of the NiO/SCCNTs nanocomposites towards glucose oxidation reactions. Generally, the electrochemical glucose oxidation mechanism on NiO in alkaline solutions can be explained as follows: first NiO is converted to Ni(OH) 2 in alkaline medium which afterwards is oxidized to oxyhydroxide species (NiOOH) by increasing the electrochemical potential, reactions 1 and 2 . In the next step, the NiOOH species oxidize glucose (reaction 3).…”

“…Generally, the electrochemical glucose oxidation mechanism on NiO in alkaline solutions can be explained as follows: first NiO is converted to Ni(OH) 2 in alkaline medium which afterwards is oxidized to oxyhydroxide species (NiOOH) by increasing the electrochemical potential, reactions 1 and 2. [58] In the next step, the NiOOH species oxidize glucose (reaction 3). The formation of Ni(OH) 2 due to reduction of NiOOH by glucose causes the increase in the oxidation peak current in the presence of glucose.…”

Ultra-fast and highly sensitive enzyme-free glucose biosensing on a nickel–nickel oxide core–shell electrode

“…[5][6][7][8][9] However, two types of electrochemical glucose biosensors, such as enzymatic and non-enzymatic or enzyme-free glucose biosensors, have been commonly reported. Enzyme-free glucose biosensors with the application of various materials, based on carbon materials, 12 polymers, 13 metals or metal oxides, 14,15 have received considerable attention owing to the inclination of enzymes utilization, stress-free electrode fabrication, stability, simplicity, reproducibility, and cost-effectiveness. [9][10][11] Among the metals or metal oxides, particularly, nickel (Ni) and its oxide electrodes are a good option due to their high stability, reproducibility of results, low toxicity, natural abundance, and low-cost.…”

The Production of Cu Nanoparticles on Large Area Graphene by Sputtering and in‐Flight Sintering

“…The functionalization of graphene with nanoparticles (NPs) as graphene/nanoparticle hybrid structures introduces new properties to graphene and can increase its area of utilization in materials science, graphene based instruments and sensors . In particular, graphene decorated with Cu nanoparticles can be used as biosensors to detect glucose in blood.…”

“…In particular, graphene decorated with Cu nanoparticles can be used as biosensors to detect glucose in blood. In recent years, researchers have developed biosensors for this purpose, which is significant for diabetes . These enzymatic glucose biosensors employ glucose oxide due to its high selectivity.…”