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. 2011 Jan 9;400(8):2463–2474. doi: 10.1007/s00216-010-4617-4

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© The Author(s) 2011

This article is distributed under the terms of the Creative Commons Attribution Noncommercial License which permits any noncommercial use, distribution, and reproduction in any medium, provided the original author(s) and source are credited.

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Fig. 7 — Calibration plots for the oxygen probe in the multi-analyte sensor: left lifetime dependencies at varying pH and pCO₂; right Stern–Volmer plots at three different temperatures. The decay times are calculated according to Eq. 1 (modulation frequencies 12 and 24 kHz)