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US 9,068,998 B2Granted
Reference solution
AssigneeRadiometer Medical ApS
InventorGitte Lunding
Life of this patent
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Abstract
A reference solution is provided, which comprises, in a liquid phase, at least one of a first compound and a second compound which are mutually convertible into each other, and at least one catalyst, which catalyzes the conversion between the first compound and the second compound.
Claims14
A method of calibrating a sensor for determining creatinine and creatine levels in a sample, the method comprising the steps of:
- exposing the sensor to a reference solution comprising
- creatinine and creatine in equilibrium in a liquid phase,
- wherein the concentrations of the creatinine and the creatine in the solution are the equilibrium concentrations of the creatinine and the creatine;
- and
- at least one catalyst dissolved in the solution, which catalyzes the conversion between the creatinine and the creatine,
- determining the sensor response to the concentrations of the creatinine and the creatine in the reference solution;
- and
- adjusting the sensor accordingly.
5 more elements
A method of performing quality control of a sensor comprising:
- exposing the sensor to a reference solution comprising
- creatinine and creatine in equilibrium in a liquid phase,
- wherein the concentrations of the creatinine and the creatine in the solution are the equilibrium concentrations of the creatinine and the creatine;
- and
- at least one catalyst dissolved in the solution which catalyzes the conversion between creatinine and creatine,
- determining the sensor response to the concentrations of the creatinine and the creatine in the reference solution;
- and
- adjusting the sensor accordingly
- if the determined concentrations are outside a predetermined acceptance range.
6 more elements
Dependencies are inferred from the claim text.