Methods of determining glucose and ketone values in a sample

摘要: Reagent materials and associated test elements are provided. In one embodiment, a element having dual functionality includes first coenzyme-dependent enzyme or substrate for the enzyme, second coenzyme selected from group consisting of thio-NAD, thio-NADP, compound according to formula (I). aspect, analyte is hydroxybutyrate dehydrogenase, glucose dehydrogenase oxidase. Other aspects subject application directed unique reagent materials. Further embodiments, forms, objects, features, advantages, aspects, benefits shall become apparent description drawings.