Highly Sensitive and Selective Detection of Norfloxacin in Aqueous Solution Using Carbon Based Nanomaterial

Carbon quantum dots for the detection of antibiotics and pesticides

“…In addition to CQDs prepared from various chemical sources, the CQDs prepared from natural sources are also found to be highly stable and effective in the detection of harmful antibiotics [47][48][49]. Wang et al reported the selective detection of amoxicillin with CQDs (4e8 nm) synthesized from beet using a hydrothermal method, without any additional agents [47].…”

“…The fluorescence of CQDs is enhanced when it interacts with amoxicillin with only very minor fluctuations in the presence of other interfering compounds such as glucose, sucrose, tryptophan, ascorbic acid, aspartic acid, l -cysteine, NaF, Ca(NO 3 ) 2 and KBr. The CQDs prepared from beet with a size of 6 nm can also be used for the detection of norfloxacin [ 48 ]. The CQDs with high stability and an excitation dependent fluorescence, when bound with norfloxacin, enhances the fluorescence of CQDs, and the lower LOD for the antibiotic was found to be 0.937 μM.…”