Highly sensitive fluorometric method based on nitrogen-doped carbon dot clusters for tartrazine determination in cookies samples

Authors : Abidin GÜMRÜKÇÜOĞLU, Aysel BAŞOĞLU, Sevgi KOLAYLI, Saliha DİNÇ, Meryem KARA, Miraç OCAK, Ümmühan OCAK

Pages : 99-111

View : 24 | Download : 4

Publication Date : 0000-00-00

Article Type : Research Paper

Abstract :Nitrogen-doped carbon nanodots insert ignore into journalissuearticles values(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.
Keywords : Carbon dot, amorphous, fluorescence, tartrazine, determination method, cookie