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Most considerations of non-animal alternatives for skin irritation/sensitization testing tend to examine a single aspect of the process (e.g., chemical reactivity, epidermal bioavailability, dendritic cell responses)

GSSG can be measured in a separate sample after reduced GSH has been derivatized with 2-vinylpyridine to mask the free sulfhydryl groups

This treatment especially benefits individuals with difficulty absorbing B12 through food or supplements

The principle of this reaction is based on the reaction between the thiol group (-SH) of glutathione and the DTNB reagent, which results in the formation of a colored product

Fasano A

PBM does not require anesthesia or other medication, such as dilating agents