High Resolution Image Download MS PowerPoint Slide This opinion piece describes progress and issues regarding the realization of calibration-free chemical sensors for analysis in aqueous systems. A special focus of the discussion is on electrochemical methodologies, given that they are the most established. Calibration-free sensors are clearly possible, but require a multipronged approach for maximizing robustness that include the optimization of sensing materials and the use of the most adequate readout methodologies.
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Eric Bakker (2016) studied this question.
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