Nitrogen-doped carbon nanospheres derived from cocoon silk as metal-free electrocatalyst for glucose sensing

Metal free electrochemical glucose biosensor based on N-doped porous carbon material

“…As can be observed in Figure 5-A for O 2 -saturated conditions, the presence of glucose in solution generates a rapid decrease in the reduction current associated with the ORR, reaching a steady-state value after 25 seconds. Taking into account that during glucose oxidation, the molecular oxygen participates as the oxidant in the reaction, the decrease in the current density can be correlated with the decrease of the concentration of oxygen in the electrolyte [22,41]. Considering that N-doped carbon material has a remarkable activity towards ORR, the decrease in the oxygen concentration is responsible for the change in the observed current density in the PANI-TT-GO x electrode.…”

Synthesis of Carbon Nanosphere at Low Temperatures Based on Bamboo Fiber

“…Research on nanomaterials are currently attracting many researchers, one of them is about Carbon Nanosphere (CNs). CNs is one type of carbons that has high porosity, good surface area, properties of nano-sized materials that have the potential to be used in a variety of current technology applications, including can be used as an adsorbent [1][2][3], as biosensing [4][5][6][7], energy storage (supercapacitor) [8][9][10][11][12] and others.…”