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Abstract
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Hollow cross-linked fluorescent carbon nitride nanoparticles (CNNPs) were produced by
a one-pot solvothermal process [1]. The products were characterized by transmission electron
microscopy (TEM), X-ray diffraction (XRD) and Fourier transform infrared spectroscopy
(FTIR). The optical properties of CNNPs was investigated and it was used as a fluorescent
probe for omeprazole in aquaes solution. The effect of buffer type, solution pH, and time on
the quenching effect of omeprazole were investigated. Calibration curve was plotted for
omeprazole in optimum condition. The liner range and detection limit was obtained as 0.243
220.2 ppm (R2= 0.9867) and 149 ppb respectively.
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