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Cysteine-Cystine Redox Cycling in a Gold–Gold Dual-Plate Generator-Collector Microtrench Sensor
- Publication Year :
- 2014
-
Abstract
- Thiols and disulfides are ubiquitous and important analytical targets. However, their redox properties, in particular on gold sensor electrodes, are complex and obscured by strong adsorption. Here, a gold–gold dual-plate microtrench dual-electrode sensor with feedback signal amplification is demonstrated to give well-defined (but kinetically limited) steady-state voltammetric current responses for the cysteine-cystine redox cycle in nondegassed aqueous buffer media at pH 7 down to micromolar concentration levels.
Details
- Database :
- OAIster
- Publication Type :
- Electronic Resource
- Accession number :
- edsoai.ocn950509143
- Document Type :
- Electronic Resource