4 results about "Electron transfer mediator" patented technology

The present invention relates to: a transition metal complex having a bidentate ligand including a pyrazole, a triazole, a tetrazole, an oxadiazole, or a thiadiazole, etc., wherein the transition metal complex is useful as an electron transfer mediator in a continuous blood glucose monitor, etc., for measuring a blood glucose concentration; and a redox polymer comprising the same. The transition metal complex and the redox polymer can exchange electrons quickly and smoothly between an enzyme and an electrode, and thus can be effectively used in a continuous blood glucose biosensor.

The present invention provides a biosensor for detecting glucose in saliva by using a saliva glucose measurement device, the biosensor comprising: an electrically insulated substrate; a plurality of electrodes disposed on the substrate and including a working electrode and a reference electrode for detecting glucose in the saliva; and a reagent layer disposed on the plurality of electrodes, wherein the reagent layer is disposed in a saliva inflow path which is located in the biosensor and configured to allow the saliva to flow thereinto. The reagent layer includes glucose dehydrogenase (GDH) and an electron transfer mediator, the saliva glucose measurement device is configured to apply a voltage to the working electrode and the reference electrode, the working electrode and the reference electrode are configured to transmit, to the saliva glucose measurement device, a current signal generated due to an oxidation / reduction reaction between the glucose dehydrogenase and the glucose in the saliva according to the applied voltage, and the value of the applied voltage is included in a numerical range of 150 mV to 300 mV.

The present invention relates to a novel organic electron-transfer mediator showing an excellent oxidation-reduction potential and a device such as an electrochemical biosensor having improved performance comprising the same.

The invention relates to the field of pharmaceutical chemical engineering and biological catalysis, in particular to an electrochemical-enzyme coupling catalysis preparation process for a Parkinson's disease treatment drug intermediate, the process adopts a multi-stage structure coupling system, and the system comprises an electro-catalysis reaction zone, a buffer intermediate zone, an enzyme catalysis reaction zone and a programmable logic control system. Wherein the electrochemical reaction area is used for regenerating an electron transfer mediator; the buffer middle area is used for adjusting the pH and temperature of the system, removing bubbles and removing by-products; the enzyme catalysis reaction zone is used for converting a substrate into a target intermediate; and the programmable logic control system adjusts the reaction in real time based on the monitoring result. The invention aims to realize continuous and efficient electrochemical-enzyme coupled catalytic reaction so as to prepare a target product.