Devices and methods are described for providing continuous measurement of an analyte concentration. In some embodiments, the device has a sensing mechanism and a sensing membrane that includes at least one surface-active group-containing polymer and that is located over the sensing mechanism. The sensing membrane may have a bioprotective layer configured to substantially block the effect and/or influence of non-constant noise-causing species.

Devices and methods are described for providing continuous measurement of an analyte concentration. In some embodiments, the device has a sensing mechanism and a sensing membrane that includes at least one surface-active group-containing polymer and that is located over the sensing mechanism. The sensing membrane may have a bioprotective layer configured to substantially block the effect and/or influence of non-constant noise-causing species.

Disclosed herein are compositions for permeable outer diffusion control membranes for creatinine and creatine sensors and methods of making such membranes.

A biomass-based enzymatic biocathode based on glucose, monosaccharide, ketone or aldehyde includes a collector conductor support, conductive particles disposed on and bound to said collector conductor support, and an aldose reductase disposed on said conductive particles, being bound thereto by adsorption and accessible at the surface of the monosaccharide, ketone or aldehyde reagent that is to be reduced when the biocathode is operational.

Disclosed is a urea biosensor that is stable at ambient temperature, and methods of making thereof.

A biosensor according to an embodiment of the present invention includes a substrate, a working electrode disposed on the substrate, and a reference electrode disposed on the substrate to be spaced apart from the working electrode. The working electrode includes a sensing electrode disposed on a top surface of the substrate, an enzyme reaction layer disposed on a top surface of the sensing electrode, and a permeation control layer disposed on a top surface of the enzyme reaction layer, and the permeation control layer includes a water-soluble polymer and a water-insoluble polymer. The permeation layer includes a mixture of the water-soluble polymer and the water-insoluble polymer to improve a sensing performance for a sensing target material.

Disclosed are multi-enzyme biosensors that are stable at ambient temperature, and methods of making thereof.

The disclosure relates to electrochemical sensors for measuring creatinine and creatine in a patient's blood. More particularly, the disclosure relates to compositions and methods for improving measurement accuracy of electrochemical sensors used for measuring creatinine and creatine.

Disclosed are multi-enzyme biosensors that are stable at ambient temperature, and methods of making thereof.

An electrochemical biosensor using a sensing system includes a working electrode including an active surface modified through a linker; and an auxiliary electrode. The sensor has a high current value compared with an existing sensor and retains excellent stability and sensitivity, and thus can be expected to be easily used for sensing various kinds of biomaterials.