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Zhang Y, Zhang X, Xu H, Zhao S, Yang Z, Pi Z, Yang X, Liao X. A Ratiometric Fluorescence Probe Based on Silver Nanoclusters and CdSe/ZnS Quantum dots for the Detection of Hydrogen Peroxide by Aggregation and Etching. J Fluoresc 2024:10.1007/s10895-024-03774-x. [PMID: 38907118 DOI: 10.1007/s10895-024-03774-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2024] [Accepted: 05/14/2024] [Indexed: 06/23/2024]
Abstract
In this study, a ratiometric fluorescence nanoprobe is developed for the analysis of hydrogen peroxide (H2O2). Silver nanoclusters (AgNCs) were synthesized by chemical reduction method using sodium borohydride (NaBH4) as reducing agent, and were coupled with CdSe/ZnS quantum dots (QDs) to form the ratiometric fluorescence nanoprobe silver nanoclusters-quantum dots (AgNCs-QDs). The effect of the volume ratio of CdSe/ZnS QDs to AgNCs on the fluorescence ratio of AgNCs-QDs was investigated. The fluorescence characterization results show that two emission peaks of AgNCs-QDs are located at 473 nm and 661 nm, respectively. Transmission electron microscope (TEM) and X-ray photoelectron spectroscopy (XPS) results show that H2O2 can cause the fluorescence probe to aggregate, while etching AgNCs to produce silver ions, which together cause the fluorescence of the QDs in the ratiometric fluorescent probe to be quenched. Based on this strategy, the fluorescence intensity ratio of the two emission peaks F473/F661 exhibits a strong linear correlation with the concentration of H2O2. The detection range is 3.32 µM ~ 2.65 mM with a detection limit of 3.32 µM. In addition, the ratiometric fluorescence probe can specifically recognize H2O2 and has excellent anti-interference performance and good fluorescence stability. Importantly, the probe was utilized for the detection of H2O2 in serum, showing the possibility of the probe in clinical detection applications.
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Affiliation(s)
- Yuanyuan Zhang
- Chongqing Engineering Laboratory of Nano/Micro Biomedical Detection, Chongqing Key Laboratory of Nano/Micro Composite Materials and Devices, Chongqing University of Science and Technology, No. 12 East road, University town, Chongqing, 401331, P. R. China
| | - Xin Zhang
- Chongqing Engineering Laboratory of Nano/Micro Biomedical Detection, Chongqing Key Laboratory of Nano/Micro Composite Materials and Devices, Chongqing University of Science and Technology, No. 12 East road, University town, Chongqing, 401331, P. R. China
| | - Hedan Xu
- Chongqing Engineering Laboratory of Nano/Micro Biomedical Detection, Chongqing Key Laboratory of Nano/Micro Composite Materials and Devices, Chongqing University of Science and Technology, No. 12 East road, University town, Chongqing, 401331, P. R. China
| | - Sitian Zhao
- Chongqing Engineering Laboratory of Nano/Micro Biomedical Detection, Chongqing Key Laboratory of Nano/Micro Composite Materials and Devices, Chongqing University of Science and Technology, No. 12 East road, University town, Chongqing, 401331, P. R. China
| | - Zirui Yang
- Chongqing Engineering Laboratory of Nano/Micro Biomedical Detection, Chongqing Key Laboratory of Nano/Micro Composite Materials and Devices, Chongqing University of Science and Technology, No. 12 East road, University town, Chongqing, 401331, P. R. China
| | - Zijie Pi
- Chongqing Engineering Laboratory of Nano/Micro Biomedical Detection, Chongqing Key Laboratory of Nano/Micro Composite Materials and Devices, Chongqing University of Science and Technology, No. 12 East road, University town, Chongqing, 401331, P. R. China
| | - Xiaoling Yang
- Chongqing Engineering Laboratory of Nano/Micro Biomedical Detection, Chongqing Key Laboratory of Nano/Micro Composite Materials and Devices, Chongqing University of Science and Technology, No. 12 East road, University town, Chongqing, 401331, P. R. China
| | - Xiaoling Liao
- Chongqing Engineering Laboratory of Nano/Micro Biomedical Detection, Chongqing Key Laboratory of Nano/Micro Composite Materials and Devices, Chongqing University of Science and Technology, No. 12 East road, University town, Chongqing, 401331, P. R. China.
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Ma X, Hu Q, Yuan J, Feng Y, Cheng Z. Glutathione Modified silicon-doped Carbon Quantum dots as a Sensitive Fluorescent Probe for ClO - Detection. J Fluoresc 2024:10.1007/s10895-024-03797-4. [PMID: 38861058 DOI: 10.1007/s10895-024-03797-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2024] [Accepted: 06/06/2024] [Indexed: 06/12/2024]
Abstract
A selective and sensitive fluorescence method for hypochlorite (ClO-) was designed using glutathione (GSH) modified silicon-doped carbon quantum dots (GSH@Si-CDs). Then a dual emission ratio fluorescence probe (RF-probe) was obtained based on carbodiimide-activated coupling reaction between GSH and Si-CDs. i.e., when the excitation wavelength was kept at 360 nm, the GSH@Si-CDs exhibited strong blue and weak yellow fluorescence at 430 and 580 nm. Meanwhile, the fluorescence of GSH@Si-CDs could be selectively quenched at 430 nm and enhanced at 580 nm in the presence of ClO-, and corresponding limit of detection (LOD) and linear range were measured to be 0.35 µM and 1.0-33.3 µM. The sensing mechanism of the system was also investigated in detail. Moreover, the RF-probe with good accuracy was successfully employed to monitor ClO- in real samples with satisfactory results compared to the standard iodometric method.
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Affiliation(s)
- Xue Ma
- Chemical Synthesis and Pollution Control Key Laboratory of Sichuan Province, West Normal University, Nanchong, 637002, China
| | - Qingqing Hu
- Chemical Synthesis and Pollution Control Key Laboratory of Sichuan Province, West Normal University, Nanchong, 637002, China
| | - Jingxue Yuan
- Chemical Synthesis and Pollution Control Key Laboratory of Sichuan Province, West Normal University, Nanchong, 637002, China
| | - Yao Feng
- Chemical Synthesis and Pollution Control Key Laboratory of Sichuan Province, West Normal University, Nanchong, 637002, China
| | - Zhengjun Cheng
- Chemical Synthesis and Pollution Control Key Laboratory of Sichuan Province, West Normal University, Nanchong, 637002, China.
- Institute of Applied Chemistry, China West Normal University, Nanchong, 637002, China.
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Mousa MA, Abdelrahman HH, Fahmy MA, Ebrahim DG, Moustafa AHE. Pure and doped carbon quantum dots as fluorescent probes for the detection of phenol compounds and antibiotics in aquariums. Sci Rep 2023; 13:12863. [PMID: 37553364 PMCID: PMC10409781 DOI: 10.1038/s41598-023-39490-y] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2023] [Accepted: 07/26/2023] [Indexed: 08/10/2023] Open
Abstract
The resulting antibiotic residue and organic chemicals from continuous climatic change, urbanization and increasing food demand have a detrimental impact on environmental and human health protection. So, we created a unique B, N-CQDs (Boron, Nitrogen doping carbon quantum dots) based fluorescent nanosensor to investigate novel sensing methodologies for the precise and concentrated identification of antibiotics and phenol derivatives substances to ensure that they are included in the permitted percentages. The as-prepared highly fluorescent B, N-CQDs had a limited range of sizes between 1 and 6 nm and average sizes of 2.5 nm in our study. The novel B, N-CQDs showed high sensitivity and selectivity for phenolic derivatives such as hydroquinone, resorcinol, and para aminophenol, as well as organic solvents such as hexane, with low detection limits of 0.05, 0.024, 0.032 and 0.013 µM respectively in an aqueous medium. The high fluorescence B, N-CQDs probes were examined using transmission electron microscopy (TEM), X-ray diffraction (XRD), Fourier-transform infrared spectroscopy (FTIR), and UV/VIS spectroscopy. The outcomes were compared to carbon quantum dots (CQDs) previously generated from Urea.
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Affiliation(s)
| | | | - Mamdouh A Fahmy
- Marine Chemistry Department, Environmental Division, National Institute of Oceanography and Fisheries (NIOF), Alexandria, Egypt
| | - Dina G Ebrahim
- Marine Chemistry Department, Environmental Division, National Institute of Oceanography and Fisheries (NIOF), Alexandria, Egypt
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Kaur I, Batra V, Kumar Reddy Bogireddy N, Torres Landa SD, Agarwal V. Detection of organic pollutants, food additives and antibiotics using sustainable carbon dots. Food Chem 2023; 406:135029. [PMID: 36463597 DOI: 10.1016/j.foodchem.2022.135029] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2022] [Revised: 11/06/2022] [Accepted: 11/20/2022] [Indexed: 11/24/2022]
Abstract
The ecosystem across the globe has been adversely affected due to the adoption of unsustainable growth strategies. Overuse of organic pollutants such as dyes, pesticides, disinfectants, food additives and antibiotics, along with their release into the environment without proper treatment has severely affected the food chain and water bodies, hence ultimately the human race. As the organic contaminants, being non-biodegradable, persist in the environment for a long duration, a sustainable method for the detection of these harmful organic pollutants is essential. For food safety and restoration of ecological balance, simple, non-toxic, cost-effective and environmentally friendly green precursor derived carbon dots (CDs) are favorable as compared to inorganic nanoparticles (CdTe, CdS etc.) and chemically derived CDs. This review covers the summary of the studies devoted to the optical detection of organic pollutants, food additives and antibiotics through green precursor derived CDs, reported during the last few years. The upcoming studies of optical sensing systems with sustainable CDs provide powerful insight towards pollutant detection, as well as act as a future monitoring tool.
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Affiliation(s)
- Inderbir Kaur
- Department of Electronics, Bhaskaracharya College of Applied Sciences, University of Delhi, Delhi 110075, India
| | - Vandana Batra
- Department of Physics, Bhaskaracharya College of Applied Sciences, University of Delhi, Delhi 110075, India
| | | | - Simei Darinel Torres Landa
- Center for Research in Engineering and Applied Sciences (CIICAp-IICBA), Autonomous State University of Morelos (UAEM), Av. Univ. 1001, Col. Chamilpa, Cuernavaca, Morelos 62209, México
| | - Vivechana Agarwal
- Center for Research in Engineering and Applied Sciences (CIICAp-IICBA), Autonomous State University of Morelos (UAEM), Av. Univ. 1001, Col. Chamilpa, Cuernavaca, Morelos 62209, México.
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Lignin-derived dual-function red light carbon dots for hypochlorite detection and anti-counterfeiting. Front Chem Sci Eng 2023. [DOI: 10.1007/s11705-022-2244-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/25/2023]
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Yusuf VF, Atulbhai SV, Bhattu S, Malek NI, Kailasa SK. Recent developments on carbon dots-based green analytical methods: New opportunities in fluorescence assay of pesticides, drugs and biomolecules. NEW J CHEM 2022. [DOI: 10.1039/d2nj01401g] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Fluorescent carbon dots (CDs) grabs huge attention in analytical and bioanalytical applications due to their high selectivity towards target analyte, specificity, photostability, and quantum yield. Cost-effective and biocompatible properties of...
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