A colorimetric method to measure oxidized, reduced and to An ultrasensitive colorimetric and fluorescence dual readout assay for glutathione with a carbon dotMnO2 nanosheet platform based on the inner filter effect RSC Advances (RSC Publishing) Invitrogen Glutathione Colorimetric Detection Kit Evaluation of Glutathione (GSH) System in Porcine Saliva: Validation and Application of Colorimetric Method Colorimetric detection and determination of glutathione based on superoxide radical assisted etching approach ScienceDirect A rapid colorimetric method for determining glutathione based on the reaction between cobalt oxyhydroxide nanosheets and 3,3,5,5 Tetramethylbenzidine ScienceDirect