期刊
SPECTROCHIMICA ACTA PART A-MOLECULAR AND BIOMOLECULAR SPECTROSCOPY
卷 300, 期 -, 页码 -出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.saa.2023.122829
关键词
Deep eutectic solvent; Carbon dots; Microwave; Fluorescence; Enrofloxacin; Antibacterial activity
类别
Nitrogen, chloride doped carbon dots (N, Cl-CDs) were synthesized in deep eutectic solvent and characterized using various techniques. The fluorescence of N, Cl-CDs was inhibited by cobalt ion but gradually restored upon addition of enrofloxacin. The linear dynamic range and detection limits for Co2+ and enrofloxacin were determined. Enrofloxacin was successfully detected in blood serum and water samples with high recovery rates. Additionally, the antibacterial activity of the carbon dots was investigated.
Nitrogen, chloride doped carbon dots (N, Cl-CDs) were synthesized in deep eutectic solvent. TEM, XRD, FT-IR, XPS, EDAX, UV-Vis and fluorescence were used for characterization. Quantum yield and average size of N, Cl-CDs were 38.75 % and 2-3 nm, respectively. N, Cl-CDs fluorescence was turn off by cobalt ion and then turn on gradually after addition of enrofloxacin. Linear dynamic range and detection limit (DL) for Co2+ and enrofloxacin were (0.1-70 & mu;M and 30 nM) and (0.05-50 & mu;M and 25 nM), respectively. Enrofloxacin was detected in blood serum and water samples with the recovery of 96-103 %. Finally, Antibacterial activity of the carbon dots was also investigated.
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