Transforming waste into value: pomelo-peel-based nitrogen-doped carbon dots for the highly selective detection of tetracycline

Qi, Haiyan; Huang, Demin; Jing, Jing; Ran, Maoxia; Jing, Tao; Zhao, Ming; Zhang, Chengqi; Sun, Xiaona; Sami, Rokayya; Benajiba, Nada

doi:10.1039/d2ra00134a

Cited by 13 publications

(8 citation statements)

References 54 publications

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“…The average lifetime values of LP-CQDs were 2.09 and 2.03 ns with the addition of TC, showing minimal change in the values of average lifetime (Figure b, Table ), which signifies negligible electron transfer between LP-CQDs and TC; thus, the mechanism was attributed to the IFE. , Furthermore, the mechanism was confirmed by the UV–vis spectra of LP-CQDs, TC, and LP-CQDs + TC. Figure c shows the strengthening of the absorption peak in the presence of TC with no change in peak positions, signifying that no new substance was formed from LP-CQDs and TC Scheme shows the plausible detection mechanism.…”

Section: Resultsmentioning

confidence: 96%

“…Tetracycline (TC), a broad-spectrum antibiotic with excellent sterilization, disinfection efficiency, antimicrobial activity, and low toxicity, is a cost-effective option. It is extensively utilized in animal husbandry to effectively combat various bacteria that cause diseases including rickettsia, chlamydia, and mycoplasma . However, improper use of TC in veterinary medication along with food products has led to its presence in common food such as milk, meat, and honey .…”

Section: Introductionmentioning

confidence: 99%

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Upcycling Waste: Citrus limon Peel-Derived Carbon Quantum Dots for Sensitive Detection of Tetracycline in the Nanomolar Range

Kundu,

Basu,

Maity

2023

ACS Omega

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In this work, a sustainable method was developed for the production of water-soluble carbon quantum dots employing a green approach. The synthetic protocol was employed using the microwave pyrolysis technique, while lemon peel served as a carbon precursor. Fabrication of highly fluorescent lemon-peel-derived CQDs (LP-CQDs) having inherent nitrogen functionality was validated by X-ray photoelectron spectroscopy, FTIR, X-ray diffraction, Raman spectroscopic analysis, and TEM techniques. The average particle size of fabricated LP-CQDs was 4.46 nm. LP-CQDs yielded a remarkable quantum yield of 49.5%, which displayed excellent salinity, photostability, storage time, conditions, and pH stability. LP-CQDs displayed encouraging results for tetracycline (TC) detection using a PL turn-off approach. The sensitivity of LP-CQDs toward TC was seen in a nanomolar range having a detection limit of 50.4 nM. Method validation was comprehensively studied to ensure the precision of the nanosensor. A complete analysis of different photophysical parameters of LP-CQDs was performed with TC to gain a deeper understanding of the sensing mechanism. Fabricated LP-CQDs showed fluorescence quenching toward TC, elucidated by the inner filter effect (IFE) mechanism. The synthesized nanoprobe demonstrated a lesser detection limit with a broad linear range, enabling facile, cheap, environmentally friendly, and fast detection of TC. Practicality of the detection method was assessed through analysis of real samples, resulting in satisfactory recovery percentage and relative standard deviation with respect to the developed probes. Furthermore, LP-CQDs were used as fluorescent inks and to fabricate paper-based fluorescent strips. This study lays the door for the sensing platform of LP-CQDs toward detection of TC, which may impact the potential role of environmental sustainability.

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Section: Resultsmentioning

confidence: 96%

Section: Introductionmentioning

confidence: 99%

Upcycling Waste: Citrus limon Peel-Derived Carbon Quantum Dots for Sensitive Detection of Tetracycline in the Nanomolar Range

Kundu,

Basu,

Maity

2023

ACS Omega

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“…25 Due to the high repeatability and less by-products, this method is especially suitable for the synthesis of excellent sp 2 structure CDs; whereas, the obtained CDs possess the defects of weak fluorescence performance and low quantum yield. 26 To be specific, the arc discharge was the earliest method to synthesize CDs, but its application is limited by the produced impurities, high energy consumption and low yield. 27 The laser ablation method refers to the use of a high energy laser to irradiate carbon targets in an inert environment, and then reprocess to obtain CDs, however the collected CDs have inferior particle size homogeneity and poor yield.…”

Section: Top-down Strategymentioning

confidence: 99%

Section: Synthesis Of Cdsmentioning

confidence: 99%

Recent progress of carbon dot fluorescent probes for tetracycline detection

Wang

Zhang

2022

New J. Chem.

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“…[4,18,19] Currently, it has been reported that CDs could be used as fluorescence sensors to detect TCs. [20][21][22][23] However, the reported CDs were mainly for the determination of total TC content in samples, and their ability to recognize single TCs (TC, CTC, and OTC) is poor. Therefore, it is very meaningful to develop new CDs to detect TCs.…”

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confidence: 99%

The synthesis of N‐doped carbon dots for visual differentiating and detection of tetracyclines

et al. 2023

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N-doped carbon dots (N-CDs) were synthesized from L-glutamine and triethanolamine using a one-step hydrothermal method. The N-CDs emitting blue fluorescence had selective responses to tetracyclines (TCs) and could be used as a fluorescent probe to realize the quantitative detection and qualitative analysis of TCs. A method for the determination of TCs using the N-CDs in actual samples was successfully established. The recovery rate was maintained at 97.50-105.60%, and the relative standard deviation (RSD) was less than 3%. In addition, TCs can be visually distinguished using filter paper by the different fluorescence colours (light green, dark blue, and yellow-green) of the N-CDs/TCs system under ultraviolet light. This study provides a relatively simple method to detect and identify TCs.fluorescent probe, N-doped carbon dots, tetracyclines | INTRODUCTIONTetracyclines (TCs), mainly including tetracycline (TC), chlortetracycline (CTC), and oxytetracycline (OTC), are commonly used as a disease-preventive medicine and feed additive in animal husbandry and aquaculture. [1,2] However, the long-term abuse of TCs has caused extensive drug residues in the environment that may endanger human health. Many studies have shown that the excessive intake of TCs can

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Transforming waste into value: pomelo-peel-based nitrogen-doped carbon dots for the highly selective detection of tetracycline

Abstract: We developed an eco-friendly approach utilizing pomelo peel as a carbon source to synthesize P-NCDs, obtaining a high quantum yield of up to 76.47%. Our prepared P-NCDs can recognize tetracycline, and their fluorescence was quenched based on an IFE.

Cited by 13 publications

References 54 publications

Upcycling Waste: Citrus limon Peel-Derived Carbon Quantum Dots for Sensitive Detection of Tetracycline in the Nanomolar Range

Upcycling Waste: Citrus limon Peel-Derived Carbon Quantum Dots for Sensitive Detection of Tetracycline in the Nanomolar Range

Recent progress of carbon dot fluorescent probes for tetracycline detection

The synthesis of N‐doped carbon dots for visual differentiating and detection of tetracyclines

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