Ratiometric electrochemical determination of hydroxyl radical based on graphite paper modified with metal–organic frameworks and impregnated with salicylic acid

Hydroxyl radical (•OH) detection is pivotal in medicine, biochemistry and environmental chemistry. Yet, electrochemical method–specific detection is challenging because of hydroxyl radicals’ high reactivity and short half-life. In this study, we aimed to modify the electrode surface with a specific...

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