Evidence of high levels of methylglyoxal in cultured Chinese hamster ovary cells PNAS Picomolar glutathione detection based on the dual signal self calibration electrochemical sensor of ferrocene functionalized copper metal organic framework via solid state electrochemistry of cuprous chloride ScienceDirect Multicolor detection of glutathione by manganese dioxide nanosheets and gold nanotetrapods based on an anti etching mechanism ScienceDirect Glutathione Cell Based Detection Kit (Blue Fluorescence) (GSH Cell Based Detection Kit (Blue Fluorescence)) Cayman Chemical The optimised method of HPLC analysis of glutathione allows to determine the degree of oxidative stress in plant cell culture ScienceDirect HPLC Methods for analysis of Glycine HELIX Chromatography