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Chemistry

The Role of Redox Mediators in Electrochemical Sensors

Quick fact

Ferrocene and its derivatives are common redox mediators that can be incorporated into screen-printed electrodes, helping to lower the operating potential and avoid interference from other blood components.

Why this is interesting

You've probably used a glucose meter, but how does it turn a drop of blood into a number? The secret lies in a tiny 'helper' molecule that shuttles electrons.