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Nethaji P, Revathi P, Senthil Kumar P, Logesh M, Rajabathar JR, Al-Lohedan HA, Arokiyaraj S, Rangasamy G. Fluorescence enhancing and quenching signal based on new approach for selective detection of multiple organochlorine pesticides using blue emissive-carbon dot. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2024; 345:123418. [PMID: 38307243 DOI: 10.1016/j.envpol.2024.123418] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/22/2023] [Revised: 01/18/2024] [Accepted: 01/19/2024] [Indexed: 02/04/2024]
Abstract
Measuring the concentration of organochlorine pesticides (OCPs) in agriculture has engaged significant awareness for healthcare investigation since OCPs are harmful to many physiological processes. Excessive usage of these compounds can result in major contamination of the environment and food supply chains. As a result, more accurate and rapid ways to detect pesticide residues in food are required. In this work, we have portrayed the surface-engineered fluorescent blue emissive-carbon dot (B-CD) with a high quantum yield (49.3 %) via the hydrothermal method for fluorescent sensing of OCPs on real samples. The amine group functionalities of carbon dots have supported the direct coordination with -Cl and -OH groups of HEP, ENS, CDF and 2,4-DPAC for the sensitive detection of OCPs, by switching in the fluorescent intensity of B-CD. The functional group of OCPs exhibits a variety of binding interactions with B-CD to contribute a complex formation, which leads to static quenching via an insubstantial restricted electron transfer process. The synthesized carbon dots exhibit individuality in binding nature towards different OCPs. Fluorescence studies help to distinguish the target OCPs and their low detection limits (LODs) were 0.002, 0.099, 0.16 and 0.082 μM for Heptachlor (HEP - turn "on"), Endosulfan (ENS), Chlordimeform (CDF) and 2,4-dichlorophenoxyacetic acid (2,4-DPAC - turn "off") OCPs respectively. The real water samples and agriculture food samples were effectively investigated and the OCP toxicity was noted. Thus, the design of the fluorescence sensor is established as an easy and proficient sensing method for detecting OCPs.
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Affiliation(s)
- P Nethaji
- Department of Chemical Engineering, Sri Sivasubramaniya Nadar College of Engineering, Chennai, 603 110, Tamil Nadu, India
| | - P Revathi
- Department of Chemistry, Annamalai University, Chidambaram, 608 002, Tamil Nadu, India
| | - P Senthil Kumar
- Centre for Pollution Control and Environmental Engineering, School of Engineering and Technology, Pondicherry University, Kalapet, Puducherry, 605014, India
| | - M Logesh
- Department of Nanoscience and Technology, Bharathiar University, Coimbatore, 641 046, Tamil Nadu, India
| | - Jothi Ramalingam Rajabathar
- Department of Chemistry, College of Science, King Saud University, P.O. Box. 2455, Riyadh, 11451, Kingdom of Saudi Arabia
| | - H A Al-Lohedan
- Department of Chemistry, College of Science, King Saud University, P.O. Box. 2455, Riyadh, 11451, Kingdom of Saudi Arabia
| | - S Arokiyaraj
- Department of Food Science and Biotechnology, Sejong University, Seoul, 05006, South Korea
| | - Gayathri Rangasamy
- School of Engineering, Lebanese American University, Byblos, Lebanon; Department of Sustainable Engineering, Institute of Biotechnology, Saveetha School of Engineering, SIMATS, Chennai, 602105, India.
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2
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Das S, Mondal S, Ghosh D. Carbon quantum dots in bioimaging and biomedicines. Front Bioeng Biotechnol 2024; 11:1333752. [PMID: 38318419 PMCID: PMC10841552 DOI: 10.3389/fbioe.2023.1333752] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2023] [Accepted: 12/29/2023] [Indexed: 02/07/2024] Open
Abstract
Carbon quantum dots (CQDs) are gaining a lot more attention than traditional semiconductor quantum dots owing to their intrinsic fluorescence property, chemical inertness, biocompatibility, non-toxicity, and simple and inexpensive synthetic route of preparation. These properties allow CQDs to be utilized for a broad range of applications in various fields of scientific research including biomedical sciences, particularly in bioimaging and biomedicines. CQDs are a promising choice for advanced nanomaterials research for bioimaging and biomedicines owing to their unique chemical, physical, and optical properties. CQDs doped with hetero atom, or polymer composite materials are extremely advantageous for biochemical, biological, and biomedical applications since they are easy to prepare, biocompatible, and have beneficial properties. This type of CQD is highly useful in phototherapy, gene therapy, medication delivery, and bioimaging. This review explores the applications of CQDs in bioimaging and biomedicine, highlighting recent advancements and future possibilities to increase interest in their numerous advantages for therapeutic applications.
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Affiliation(s)
- Surya Das
- Department of Chemistry, University of Kalyani, Kalyani, India
| | - Somnath Mondal
- Department of Chemistry, Pennsylvania State University, State College, PA, United States
| | - Dhiman Ghosh
- Department of Chemistry and Applied Biosciences, Zurich, Switzerland
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3
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Kamble P, Malavekar D, Tiwari AP. Natural Biowaste Derived Fluorescent Carbon Quantum Dots: Synthesis, Characterization and Biocompatibility Study. J Fluoresc 2024; 34:191-201. [PMID: 37166612 DOI: 10.1007/s10895-023-03244-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2023] [Accepted: 04/14/2023] [Indexed: 05/12/2023]
Abstract
In this present study, a straightforward and affordable method for the environmentally safe synthesis of carbon quantum dots (CQDs) by employing human hair as the carbon source without any need of chemicals was synthesized. CQDs obtained from human hair was further functionalized with Poly-L-Lysine to form PLLCQDs. The synthesized PLLCQDs was demonstrated numerous advantageous characteristics like strong fluorescence intensity, superior photostability, and outstanding water solubility. Various physicochemical characterization was employed to confirm successful formation of PLLCQDs including UV-vis Spectroscopy, Fluorescence Spectroscopy, Fourier Transform Infrared (FTIR) Spectroscopy, Atomic Force Microscopy (AFM) and Transmission Electron Microscopy (TEM). The size of synthesized PLLCQDs is 3 nm. The resultant PLLCQDs exhibited strong blue emission with a quantum yield of 28%. Under UV light, the synthesized PLLCQDs emit blue (at 365nm) fluorescence. The optimization of synthesis parameters including synthesis method, effect of reaction temperature, effect of reaction time and effect of reaction concentration have a significant impact on the quality and quantity of synthesized PLLCQDs, as well as their properties and applications. The effect of pH and UV radiation on synthesized PLLCQDs exhibited excellent photo and chemical stability. The cytotoxicity of bulk system (Hair precursor) and PLLCQDs was evaluated using fibroblast cell line (L929). The cell viabilities of 99.47% was obtained from L929 cells using MTT assay and it can applicably function as agents for cell labelling as a good bioimaging probe.
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Affiliation(s)
- Pranoti Kamble
- Department of Medical Biotechnology and Stem cell and Regenerative Medicine, Centre for Interdisciplinary Research, D. Y. Patil Education Society (Deemed to be university), Kolhapur, Maharashtra, India
| | - Dhanaji Malavekar
- Department of Materials Science and Engineering, Optoelectronic Convergence Research Centre, Chonnam National University, Gwangju, 61186, South Korea
| | - Arpita Pandey Tiwari
- Department of Medical Biotechnology and Stem cell and Regenerative Medicine, Centre for Interdisciplinary Research, D. Y. Patil Education Society (Deemed to be university), Kolhapur, Maharashtra, India.
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4
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Yuan L, Liu L, Mi Z, Chen M, Bai Y, Qin J, Feng F. A ratiometric sensor based on dual-emission carbon dots sensitive detection of amaranth. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2023; 302:123058. [PMID: 37393669 DOI: 10.1016/j.saa.2023.123058] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/08/2023] [Revised: 06/17/2023] [Accepted: 06/19/2023] [Indexed: 07/04/2023]
Abstract
Amaranth (AMA), a common food additive, is important to strictly control the content of food for the human body. In this paper, an innovative method based on intrinsic dual-emissive carbon dots (Y/B-CDs) was used to detect AMA. Y/B-CDs have two emission wavelengths at 416 and 544 nm with the excitation wavelength at 362 nm. The addition of AMA can rapidly quench the fluorescence of the two peaks with different degrees, and ratiometric detection can be achieved. Quantitative analysis showed two linear ranges of 0.1-20 μM and 20-80 μM, and detection limits are 42 and 33 nM, respectively. Moreover, good results were obtained for the detection of AMA in beverages and candy using Y/B-CDs. This suggests that the constructed sensor has the potential to detect AMA in real samples.
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Affiliation(s)
- Lin Yuan
- School of Chemistry and Chemical Engineering, Shanxi Provincial Key Laboratory of Chemical Biosensing, Shanxi Datong University, Datong 037009, PR China
| | - Lizhen Liu
- School of Chemistry and Chemical Engineering, Shanxi Provincial Key Laboratory of Chemical Biosensing, Shanxi Datong University, Datong 037009, PR China.
| | - Zhi Mi
- School of Chemistry and Chemical Engineering, Shanxi Provincial Key Laboratory of Chemical Biosensing, Shanxi Datong University, Datong 037009, PR China
| | - Meng Chen
- School of Chemistry and Chemical Engineering, Shanxi Provincial Key Laboratory of Chemical Biosensing, Shanxi Datong University, Datong 037009, PR China
| | - Yunfeng Bai
- School of Chemistry and Chemical Engineering, Shanxi Provincial Key Laboratory of Chemical Biosensing, Shanxi Datong University, Datong 037009, PR China
| | - Jun Qin
- School of Chemistry and Chemical Engineering, Shanxi Provincial Key Laboratory of Chemical Biosensing, Shanxi Datong University, Datong 037009, PR China
| | - Feng Feng
- School of Chemistry and Chemical Engineering, Shanxi Provincial Key Laboratory of Chemical Biosensing, Shanxi Datong University, Datong 037009, PR China; School Department of Energy Chemistry and Materials Engineering, Shanxi Institute of Energy, Taiyuan 030600, PR China.
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5
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Benner D, Yadav P, Bhatia D. Red emitting carbon dots: surface modifications and bioapplications. NANOSCALE ADVANCES 2023; 5:4337-4353. [PMID: 37638168 PMCID: PMC10448348 DOI: 10.1039/d3na00469d] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 06/29/2023] [Accepted: 08/03/2023] [Indexed: 08/29/2023]
Abstract
Quantum dots (QDs), and carbon quantum dots (CDs) in particular, have received significant attention for their special characteristics. These particles, on the scale of several nanometers, are often produced using simple and green methods, with naturally occurring organic precursors. In addition to facile production methods, CDs present advantageous applications in the field of medicine, primarily for bioimaging, antibacterial and therapeutics. Also, CDs present great potential for surface modification through methods like doping or material mixing during synthesis. However, the bulk of current literature focuses on CDs emitting in the blue wavelengths which are not very suitable for biological applications. Red emitting CDs are therefore of additional interest due to their brightness, photostability, novelty and deeper tissue penetration. In this review article, red CDs, their methods of production, and their biological applications for translational research are explored in depth, with emphasis on the effects of surface modifications and doping.
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Affiliation(s)
- Dawson Benner
- Department of Engineering, Texas A&M University College Station 77843 Texas USA
| | - Pankaj Yadav
- Biological Engineering Discipline, Indian Institute of Technology Gandhinagar Palaj 382355 Gujarat India
| | - Dhiraj Bhatia
- Biological Engineering Discipline, Indian Institute of Technology Gandhinagar Palaj 382355 Gujarat India
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6
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Che H, Tian X, Chen W, Dai C, Nie Y, Li Y, Lu L. Simultaneous visual detection of multiple heavy metal ions by a high-throughput fluorescent probe. Mikrochim Acta 2023; 190:311. [PMID: 37468761 DOI: 10.1007/s00604-023-05882-0] [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: 04/10/2023] [Accepted: 06/26/2023] [Indexed: 07/21/2023]
Abstract
To develop simultaneous and in-situ detection techniques towards Cr(VI) and Mn(II), Eu/Tb@CDs with white fluorescence were prepared by a one-step hydrothermal method. With the increase of Cr(VI), all fluorescence channels of Eu/Tb@CDs exhibited obvious quenching, and the detection limit (LOD) was 0.10 μM. In the presence of Mn(II), only the fluorescence from Tb and Eu was quenched, while the fluorescence of CDs was not effected. The LOD for Mn(II) was 0.16 μM. More importantly, in the actual water samples where Cr(VI) and Mn(II) coexist, Eu/Tb@CDs can realize their rapid and simultaneous detection by simple spectral calculation. The selective and competitive experiments have also confirmed that the detection of Cr(VI) and Mn(II) was not interfered by common pollutants in groundwater. It is undeniable that the simultaneous detection of multiple targets by one probe not only greatly improves the detection efficiency, but also has important significance for the field monitoring of water quality parameters.
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Affiliation(s)
- Huachao Che
- Faculty of Materials Science and Chemistry, China University of Geosciences, Wuhan, 430074, China
| | - Xike Tian
- Faculty of Materials Science and Chemistry, China University of Geosciences, Wuhan, 430074, China
- State Key Laboratory of Biogeology and Environmental Geology, China University of Geosciences, Wuhan, 430074, People's Republic of China
| | - Wei Chen
- Faculty of Materials Science and Chemistry, China University of Geosciences, Wuhan, 430074, China
| | - Chu Dai
- Faculty of Materials Science and Chemistry, China University of Geosciences, Wuhan, 430074, China
| | - Yulun Nie
- Faculty of Materials Science and Chemistry, China University of Geosciences, Wuhan, 430074, China.
- State Key Laboratory of Biogeology and Environmental Geology, China University of Geosciences, Wuhan, 430074, People's Republic of China.
| | - Yong Li
- Faculty of Materials Science and Chemistry, China University of Geosciences, Wuhan, 430074, China
| | - Liqiang Lu
- Faculty of Materials Science and Chemistry, China University of Geosciences, Wuhan, 430074, China
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7
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Jin L, Yang J, Zhang W, Liu H, Mou S, Hui Q. Carbon dots with aggregation-induced emission enhancement (AIEE) for detection of Zr 4+/ Hf 4+ and PTP1B activity. Talanta 2023; 259:124527. [PMID: 37080078 DOI: 10.1016/j.talanta.2023.124527] [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: 11/25/2022] [Revised: 03/29/2023] [Accepted: 04/03/2023] [Indexed: 04/22/2023]
Abstract
The frequent use of Zirconium (Zr) and Hafnium (Hf) in modern industries may result in serious environment issues, and thus developing analytical methods to facilitate the control of these two resembled metal elements is urgently needed. However, up to now, rapidly and conveniently detecting Zr4+ and Hf4+ is still full of challenge. In this study, nitrogen and sulfur co-doped carbon dots (N, S-Cdots) with aggregation-induced emission enhancement (AIEE) were prepared and used for turn-on detection of Zr4+ and Hf4+ within 10 min. The photoluminescent intensity of N, S-Cdots showed a good linear correlation with Zr4+ and Hf4+concentrations ranging from 0 to 30 μM with the limit of detection (LOD) of 0.47 and 0.53 μM, respectively. Furthermore, this fluorometric assay was successfully used for quantitative analysis of Zr4+ and Hf4+ in real water samples with satisfactory recoveries in the range of 91.16-108.50% and 90.28-106.49%, respectively. Finally, the developed N, S-Cdots sensing system was used for assay PTP1B activity and screening its inhibitor with Zr4+ as the medium. Our work demonstrated that the as-prepared N, S-Cdots with AIEE can offer a simple and reliable alternative for rapid detection of Zr4+ and Hf4+ in water samples, in addition to being potential useful in phosphatase analysis and drug discovery.
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Affiliation(s)
- Lei Jin
- College of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou, 325035, China.
| | - Jinmei Yang
- School of Biomedical Engineering, School of Ophthalmology and Optometry, Eye Hospital, Wenzhou Medical University, Wenzhou, 325001, China
| | - Wenfeng Zhang
- College of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou, 325035, China
| | - Huan Liu
- College of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou, 325035, China
| | - Senfeng Mou
- College of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou, 325035, China
| | - Qi Hui
- College of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou, 325035, China.
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8
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Fu T, Wan Y, Jin F, Liu B, Wang J, Yin X, Fu X, Tian B, Feng Z. Efficient imaging based on P - and N-codoped carbon dots for tracking division and viability assessment of lactic acid bacteria. Colloids Surf B Biointerfaces 2023; 223:113155. [PMID: 36724563 DOI: 10.1016/j.colsurfb.2023.113155] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2022] [Revised: 01/04/2023] [Accepted: 01/17/2023] [Indexed: 01/21/2023]
Abstract
Assessment of lactic acid bacteria (LAB) activity plays a key role in the fermented food industry. Fluorescence imaging method based on dye is facile to detect LAB viability. However, it is difficult to obtain stable fluorescence, non-toxic and low-cost dyes. In this study, we prepare P- and N-doped carbon dots (PN-CDs) via microwave-assisted hydrothermal synthesis. The properties of high quantum yield (60.36%) and excitation dependence allowed for multicolor imaging of LAB (Lactobacillus plantarum [L.p] and Streptococcus thermophilus [S.t]). The abundant functional groups and positive charges (+2.34 mV) on the surface of PN-CDs facilitated their quickly integrated into cell wall of live LAB with obvious fluorescence or into dead cells. As a result, PN-CDs can not only be used to rapidly and efficiently monitor bacterial viability (one minute), but can also be used to visualize LAB division using fluorescence imaging. Importantly, the PN-CDs have potential to rapidly detect LAB activity in LAB-fermented juices.
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Affiliation(s)
- Tianxin Fu
- College of Food Science, Northeast Agricultural University, Harbin 150030, China
| | - Yang Wan
- College of Food Science, Northeast Agricultural University, Harbin 150030, China
| | - Furong Jin
- College of Food Science, Northeast Agricultural University, Harbin 150030, China
| | - Buwei Liu
- College of Food Science, Northeast Agricultural University, Harbin 150030, China
| | - Jindi Wang
- College of Food Science, Northeast Agricultural University, Harbin 150030, China
| | - Xinyue Yin
- College of Food Science, Northeast Agricultural University, Harbin 150030, China
| | - Xiangbo Fu
- College of Food Science, Northeast Agricultural University, Harbin 150030, China
| | - Bo Tian
- College of Food Science, Northeast Agricultural University, Harbin 150030, China.
| | - Zhibiao Feng
- Department of Chemistry, Northeast Agricultural University, Harbin 150030, China.
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Carbon Quantum Dots: Synthesis, Structure, Properties, and Catalytic Applications for Organic Synthesis. Catalysts 2023. [DOI: 10.3390/catal13020422] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/18/2023] Open
Abstract
Carbon quantum dots (CQDs), also known as carbon dots (CDs), are novel zero-dimensional fluorescent carbon-based nanomaterials. CQDs have attracted enormous attention around the world because of their excellent optical properties as well as water solubility, biocompatibility, low toxicity, eco-friendliness, and simple synthesis routes. CQDs have numerous applications in bioimaging, biosensing, chemical sensing, nanomedicine, solar cells, drug delivery, and light-emitting diodes. In this review paper, the structure of CQDs, their physical and chemical properties, their synthesis approach, and their application as a catalyst in the synthesis of multisubstituted 4H pyran, in azide-alkyne cycloadditions, in the degradation of levofloxacin, in the selective oxidation of alcohols to aldehydes, in the removal of Rhodamine B, as H-bond catalysis in Aldol condensations, in cyclohexane oxidation, in intrinsic peroxidase-mimetic enzyme activity, in the selective oxidation of amines and alcohols, and in the ring opening of epoxides are discussed. Finally, we also discuss the future challenges in this research field. We hope this review paper will open a new channel for the application of CQDs as a catalyst in organic synthesis.
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Energy transfer mediated rapid and visual discrimination of tetracyclines and quercetin in food by using N, Cu Co-doped carbon dots. Anal Chim Acta 2023; 1239:340706. [PMID: 36628714 DOI: 10.1016/j.aca.2022.340706] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2022] [Revised: 12/01/2022] [Accepted: 12/03/2022] [Indexed: 12/13/2022]
Abstract
The appearance of multi-drug resistant Escherichia coli makes the combination of tetracyclines (TCs) and quercetin (QCT) more common to fight stubborn bacterial infections so that the effective detections of TCs and QCT are essential and necessary. Here, a novel fluorescence probe for differentiating TCs and QCT is developed based on the nitrogen and copper co-doped carbon dots (N, Cu-CDs). The N, Cu-CDs are prepared from ethylene diamine tetraacetic acid (EDTA) and anhydrous copper chloride as precursors through hydrothermal process and exhibit bright blue fluorescence with excellent optical stability. With the presence of four tetracyclines (DOX, TC, CTC and OTC), the fluorescence intensity of N, Cu-CDs is quenched directly due to the internal filtration effect (IFE), and the detection limit obtained through single-signal fluorescence sensing is as low as 23.8 nM for DOX, 37.2 nM for TC, 43.8 nM for OTC and 28.8 nM for CTC. More remarkably, three dimensional ratiometric fluorescence probe for detecting QCT is proposed based on the appearance of another emission at (410 nm, 490 nm) due to electron transform (ET) process. This new method shows a good linear relationship in the range of 10-100 μM with a low detection limit of 59.3 nM. Furthermore, a dual-channel fluorescence sensing platform based on microfluidics paper-based analytical devices (μPADs) is developed for simultaneously visual discrimination of TCs (DOX is chosen as the typical detecting model for TCs) and QCT. This investigation provides a new way for the development of CDs as multifunction fluorescence probes.
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Rasheed T. Carbon dots as robust class of sustainable and environment friendlier nano/optical sensors for pesticide recognition from wastewater. Trends Analyt Chem 2023. [DOI: 10.1016/j.trac.2023.116957] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
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12
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Kateshiya MR, Desai ML, Malek NI, Kailasa SK. Advances in Ultra-small Fluorescence Nanoprobes for Detection of Metal Ions, Drugs, Pesticides and Biomarkers. J Fluoresc 2022; 33:775-798. [PMID: 36538145 DOI: 10.1007/s10895-022-03115-w] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2022] [Accepted: 12/07/2022] [Indexed: 12/24/2022]
Abstract
Identification of trace level chemical species (drugs, pesticides, metal ions and biomarkers) plays key role in environmental monitoring. Recently, fluorescence assay has shown significant advances in detecting of trace level drugs, pesticides, metal ions and biomarkers in real samples. Ultra-small nanostructure materials (metal nanoclusters (NCs), quantum dots (QDs) and carbon dots (CDs)) have been integrated with fluorescence spectrometer for sensitive and selective analysis of trace level target analytes in various samples including environmental and biological samples. This review summarizes the properties of metal NCs and ligand chemistry for the fabrication of metal NCs. We also briefly summarized the synthetic routes for the preparation of QDs and CDs. Advances of ultra-small fluorescent nanosensors (NCs, QDs and CDs) for sensing of metal ions, drugs, pesticides and biomarkers in various sample matrices are briefly discussed. Additionally, we discuss the recent challenges and future perspectives of ultra-small materials as fluorescent sensors for assaying of wide variety of target analytes in real samples.
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13
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Wu S, Yin Y, Sun C, Song W. Efficient Synthesis of Highly Photo‐stable N‐doped Carbon Quantum Dots and their Applications in Detection and Cellular Imaging of Mercury Ions. ChemistrySelect 2022. [DOI: 10.1002/slct.202202540] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Affiliation(s)
- Shunwei Wu
- School of Chemical Engineering Qinghai University Xining 810016 China
| | - Yongzheng Yin
- School of Chemical Engineering Qinghai University Xining 810016 China
| | - Chunyan Sun
- School of Chemical Engineering Qinghai University Xining 810016 China
| | - Weijun Song
- School of Chemical Engineering Qinghai University Xining 810016 China
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14
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Carneiro SV, Oliveira JJP, Rodrigues VSF, Fechine LMUD, Antunes RA, Neto MLA, de Moura TA, César CL, de Carvalho HF, Paschoal AR, Freire RM, Fechine PBA. Doped Carbon Quantum Dots/PVA Nanocomposite as a Platform to Sense Nitrite Ions in Meat. ACS APPLIED MATERIALS & INTERFACES 2022; 14:43597-43611. [PMID: 36103380 DOI: 10.1021/acsami.2c09197] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
A sensor device based on doped-carbon quantum dots is proposed herein for detection of nitrite in meat products by fluorescence quenching. For the sensing platform, carbon quantum dots doped with boron and functionalized with nitrogen (B,N-Cdot) were synthesized with an excellent 44.3% quantum yield via a one-step hydrothermal route using citric acid, boric acid, and branched polyethylenimine as carbon, boron, and nitrogen sources, respectively. After investigation of their chemical structure and fluorescent properties, the B,N-Cdot at aqueous suspensions showed high selectivity for NO2- in a linear range from 20 to 50 mmol L-1 under optimum conditions at pH 7.4 and a 340 nm excitation. Furthermore, the prepared B,N-Cdots successfully detected NO2- in a real meat sample with recovery of 91.4-104% within the analyzed range. In this manner, a B,N-Cdot/PVA nanocomposite film with blue emission under excitation at 360 nm was prepared, and a first assay detection of NO2- in meat products was tested using a smartphone application. The potential application of the newly developed sensing device containing a highly fluorescent probe should aid in the development of a rapid and inexpensive strategy for NO2- detection.
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Affiliation(s)
- Samuel Veloso Carneiro
- Advanced Materials Chemistry Group (GQMat), Department of Analytical Chemistry and Physical Chemistry, Federal University of Ceara - UFC, Campus do Pici, CP 12100, CEP 60451-970 Fortaleza, Ceará, Brazil
| | - José Joelson Pires Oliveira
- Advanced Materials Chemistry Group (GQMat), Department of Analytical Chemistry and Physical Chemistry, Federal University of Ceara - UFC, Campus do Pici, CP 12100, CEP 60451-970 Fortaleza, Ceará, Brazil
| | - Vivian Stephanie Ferreira Rodrigues
- Advanced Materials Chemistry Group (GQMat), Department of Analytical Chemistry and Physical Chemistry, Federal University of Ceara - UFC, Campus do Pici, CP 12100, CEP 60451-970 Fortaleza, Ceará, Brazil
| | - Lillian Maria Uchoa Dutra Fechine
- Advanced Materials Chemistry Group (GQMat), Department of Analytical Chemistry and Physical Chemistry, Federal University of Ceara - UFC, Campus do Pici, CP 12100, CEP 60451-970 Fortaleza, Ceará, Brazil
| | - Renato Altobelli Antunes
- Center for Engineering, Modeling and Applied Social Sciences, Federal University of ABC, CEP 09210-580 Santo André, São Paulo, Brazil
| | - Manoel Lourenço Alves Neto
- Department of Physics, Federal University of Ceara - UFC, Campus do Pici, CP 12100, CEP 60451-970 Fortaleza, Ceará, Brazil
- National Institute of Photonics Applied to Cell Biology, State University of Campinas, IFGW - Unicamp Cid. Universitária, 13083863 Campinas, São Paulo, Brazil
| | - Thiago Alves de Moura
- Department of Physics, Federal University of Ceara - UFC, Campus do Pici, CP 12100, CEP 60451-970 Fortaleza, Ceará, Brazil
| | - Carlos Lenz César
- Department of Physics, Federal University of Ceara - UFC, Campus do Pici, CP 12100, CEP 60451-970 Fortaleza, Ceará, Brazil
- National Institute of Photonics Applied to Cell Biology, State University of Campinas, IFGW - Unicamp Cid. Universitária, 13083863 Campinas, São Paulo, Brazil
| | - Hernandes Faustino de Carvalho
- National Institute of Photonics Applied to Cell Biology, State University of Campinas, IFGW - Unicamp Cid. Universitária, 13083863 Campinas, São Paulo, Brazil
- State University of Campinas, Institute of Biology, Department of Cell Biology, Department of Cell Biology - IB - CP, 6109 UNICAMP Cid. Universitária, 13083863 Campinas, São Paulo, Brazil
| | - Alexandre Rocha Paschoal
- Department of Physics, Federal University of Ceara - UFC, Campus do Pici, CP 12100, CEP 60451-970 Fortaleza, Ceará, Brazil
| | - Rafael Melo Freire
- Laboratory of Pesticide Residues and Environment, Instituto de Investigaciones Agropecuarias, INIA Centro Regional La Platina, Santiago 8820000, Chile
| | - Pierre Basílio Almeida Fechine
- Advanced Materials Chemistry Group (GQMat), Department of Analytical Chemistry and Physical Chemistry, Federal University of Ceara - UFC, Campus do Pici, CP 12100, CEP 60451-970 Fortaleza, Ceará, Brazil
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Lei H, Liu Q, Leng J, Liu H, Wang C, Xu M, An W, Bao C, Wang Z. Highly sensitive and selective detection of butachlor based on the resonance light scattering of doped carbon quantum dots. ANALYTICAL METHODS : ADVANCING METHODS AND APPLICATIONS 2022; 14:652-660. [PMID: 35081194 DOI: 10.1039/d1ay01356d] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
In this work, a new method of resonance light scattering was developed for the sensitive and selective detection of butachlor. Firstly, buckwheat was used as the main carbon source to prepare a new type of doped carbon quantum dot using the hydrothermal method. A new method for the determination of butachlor was then established by the change in resonance light scattering intensity after the addition of butachlor into the doped carbon quantum dot solution. The detection effect was successfully optimized by investigating the optimum reaction conditions. Under the optimum conditions, the resonance light scattering intensity of doped carbon quantum dots was greatly enhanced at 460 nm after the addition of butachlor, and the intensity changes were linearly correlated with the butachlor concentration in the range of 1-7 μg L-1. The detection limit was 0.136 μg L-1, and the recoveries ranged between 98.6% and 101.8%. This method was also used for butachlor detection in environmental water.
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Affiliation(s)
- Han Lei
- School of Chemical Engineering and Technology, North University of China, Taiyuan 030051, China.
| | - Qinghao Liu
- School of Chemical Engineering and Technology, North University of China, Taiyuan 030051, China.
| | - Jiapeng Leng
- School of Pharmacy, Liaoning University of Traditional Chinese Medicine, Dalian 116600, China
| | - Hongyan Liu
- Institute of Plant Protection, Henan Academy of Agriculture Sciences, Zhengzhou 450002, China
| | - Cundong Wang
- School of Chemical Engineering and Technology, North University of China, Taiyuan 030051, China.
| | - Mingyue Xu
- School of Chemical Engineering and Technology, North University of China, Taiyuan 030051, China.
| | - Wenqing An
- School of Chemical Engineering and Technology, North University of China, Taiyuan 030051, China.
| | - Chenning Bao
- School of Chemical Engineering and Technology, North University of China, Taiyuan 030051, China.
| | - Zhen Wang
- School of Chemical Engineering and Technology, North University of China, Taiyuan 030051, China.
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16
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Chen P, Peng H, Zhang Z, Zhang Z, Chen Y, Chen J, Zhu X, Peng J. Facile preparation of highly thermosensitive N-doped carbon dots and their detection of temperature and 6-mercaotopurine. Microchem J 2021. [DOI: 10.1016/j.microc.2021.106835] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
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