Single-use disposable reference sensor
AssigneeNova Biomedical Corporation
InventorBong Kyun Oh
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Abstract
A single-use disposable potentiometric reference sensor includes an insulating base substrate, a reference electrode disposed on the insulating base substrate where the reference electrode is a silver-silver chloride electrode, an internal layer disposed on the reference electrode where the internal layer is an amorphous salt layer that includes an amorphous polysaccharide and a salt having equi-mobility cations and anions, and a semipermeable cover membrane disposed over the internal layer where the semipermeable cover membrane has water vapor and ion permeability.
Claims25
A potentiometric reference sensor having a multi-layer reagent matrix comprising:
- a first layer having an amorphous structure, the first layer comprising:
- at least one amorphous polymer;
- and
- a salt;
- and
- a second layer disposed over the first layer, wherein the second layer has water vapor permeability and ion permeability.
Dependencies are inferred from the claim text.