Sensitive and selective fluorescent switch for Detection of Fe (III) Ion in Human urine Using luminol-functionalized Functionalized Graphene Quantum dots
Noura H Harran,
Bassam F alfarhani
Abstract:A fluorescent switch based on graphene quantum dots (GQDs) has been synthesized and modified using Luminol to detect Fe (III) in human urine selectively. The pyrolysis of anhydrous citric acids produced GQDs abundant in amino groups. The luminol modification shows distinct optical characteristics, improving the fluorescence intensity by approximately 6.41 times compared to GQD alone. The probe employs static quenching to initiate the fluorescence response by utilizing the interaction between Fe (III) and Lumin… Show more
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