Synthesis of carbon quantum dots with iron and nitrogen from Passiflora edulis and their peroxidase-mimicking activity for colorimetric determination of uric acid

• Published in: Mikrochimica acta (1966) Vol. 187; no. 7; p. 405
• Main Authors: Liang, Chunfeng, Lan, Yuwei, Sun, Zihua, Zhou, Liya, Li, Yanzhou, Liang, Xinyuan, Qin, Xingzhen
• Format: Journal Article
• Language: English
• Published: Vienna Springer Vienna 01.07.2020; Springer; Springer Nature B.V
• Subjects: Analytical Chemistry; Benzidines - chemistry; Carbon; Carbon - chemistry; Catalysis; Characterization and Evaluation of Materials; Chemistry; Chemistry and Materials Science; Chromogenic Compounds - chemistry; Colorimetry; Colorimetry - methods; Humans; Hydrogen peroxide; Hydrogen Peroxide - chemistry; Iron; Iron - chemistry; Limit of Detection; Microengineering; Nanochemistry; Nanotechnology; Nitrogen - chemistry; Original Paper; Oxidation; Oxidation-Reduction; Passiflora - chemistry; Peroxidase; Porphyrins; Quantum dots; Quantum Dots - chemistry; Substrates; Urate Oxidase - chemistry; Uric acid; Uric Acid - chemistry; Uric Acid - urine; Colorimetric assay; Hydrothermal synthesis; Visual detection; Carbon quantum dots; Uric acid; Peroxidase mimics; 3,3′,5,5′-tetramethylbenzidine; Fe@NCDs; Urine analysis; Passiflora edulis Sims

Carbon quantum dots co-doped with iron and nitrogen (Fe@NCDs) were synthesized by using Passiflora edulis Sims ( P. edulis ) as a precursor. The Fe@NCDs exhibit outstanding peroxidase-mimetic activity owing to successful doping with iron resulting in a behavior similar to that of iron porphyrins. In...