Gümrükçüoğlu, Abidin.Başoglu, Aysel.Kolaylı, Sevgi.Dinç, Saliha.Kara, Meryem.Ocak, Miraç.Ocak, Ümmühan.2020-03-262020-03-262020Gümrükçüoğlu, A., Başoğlu, A., Kolaylı, S., Dinç, S., Kara, M., Ocak, M., Ocak, Ü. (2020). Highly Sensitive Fluorometric Method Based on Nitrogen-Doped Carbon Dot Clusters for Tartrazine Determination in Cookies Samples. Turkish Journal of Chemistry, 44(1), 99-111.1300-0527https://dx.doi.org/10.3906/kim-1903-28https://hdl.handle.net/20.500.12395/38550Nitrogen-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 mu M. The detection limit of the assay was 0.18 mu M. Acceptable recovery results were obtained via spike-recovery experiments on cookie samples.en10.3906/kim-1903-28info:eu-repo/semantics/openAccessCarbon dotamorphousfluorescencetartrazinedetermination methodcookieArticle44199+33488146WOS:000513771000008Q4