| 摘要 |
The invention relates to a method and a device for determining the glucose concentration in tissue fluid whereby test values for glucose and for an endogenous reference substance are detected in a sample liquid obtained by microdialysis, microperfusion or ultrafiltration, and the glucose value is corrected in accordance with the test value for the reference substance. The recovery rate for glucose is determined from a non-linear relationship with the recovery rate for the ionic reference substance, and the test value for glucose is corrected therewith. In addition, the concentration of lactate and/or pyruvate is used as a further reference substance in the sample liquid to make further corrections.
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