Highly sensitive fluorometric method based on nitrogen-doped carbon dot clusters for tartrazine determination in cookies samples |
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Authors: | Abidin GÜ MRÜ KÇ Ü OĞ LU,Aysel BAŞ OĞ LU,Sevgi BAŞ OĞ LU,Saliha BAŞ OĞ LU,Meryem BAŞ OĞ LU,Miraç BAŞ OĞ LU,Ü mmü han BAŞ OĞ LU |
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Abstract: | Nitrogen-doped carbon nanodots (CDs) were prepared via the solvothermal method, using urea and triethylene glycol as the starting materials. The as-prepared CDs had individual diameters of approximately 100 nm and were in clusters of different sizes. The surface composition and optical properties of the as-prepared CDs were characterized. They exhibited multicolor emission properties in the visible range when excited with a wide wavelength range. The aqueous solution of the CDs was used in highly sensitive tartrazine determination. The fluorescence quenching of the CDs was in a linear relationship with the concentrations of tartrazine in the range of 0.5–30.0 μM. The detection limit of the assay was 0.18 μM. Acceptable recovery results were obtained via spike-recovery experiments on cookie samples. |
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Keywords: | Carbon dot amorphous fluorescence tartrazine determination method cookie |
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