A key issue could be (sub)cellular compartmentation, both of the reactions that cause GSH oxidation and of the GSSG that accumulates as a result
Our team generally finds that using 2ml of water for a 10mg vial provides a good balance of concentration and ease of measurement, but the choice depends entirely on your research needs

Phenylephrine 0.1% w/w is a vasoconstrictor that helps reduce swelling and congestion of hemorrhoidal blood vessels, providing relief from discomfort associated with piles Beclometasone 0.025% w/w is a corticosteroid that helps reduce inflammation, redness, swelling, and itching in the affected anorectal area Lidocaine 2.5% w/w is a local anesthetic that provides temporary relief from pain, burning, and irritation by numbing the affected area This combination is commonly prescribed for the symptomatic management of hemorrhoids (piles), anal fissures, proctitis, and other inflammatory anorectal conditions, as advised by healthcare professionals Topical cream formulation allows localized application, helping deliver the active ingredients directly to the affected area while minimizing systemic exposure Should be used only for the prescribed duration and under the supervision of a qualified healthcare professional
Water is returned to earth by precipitation as snow or rain
Prevalence and clinical significance of RBM3 immunostaining in non-small cell lung cancers