glutathione electrochemical detection sensor for reductase based on screen-printed electrodes coated with 3,5-dinitrobenzoic acid-modified carbon nanotubes | Microchimica Acta Rapid and sensitive electrochemical detection
Description
Development of azobased fluorescent probes to detect different levels of hypoxia

You should look for Reduced Glutathione (GSH)

One unit, one protocol
10.1111/andr.12966