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Ren J, Opoku H, Tang S, Edman L, Wang J. Carbon Dots: A Review with Focus on Sustainability. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2024:e2405472. [PMID: 39023174 DOI: 10.1002/advs.202405472] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/21/2024] [Revised: 07/03/2024] [Indexed: 07/20/2024]
Abstract
Carbon dots (CDs) are an emerging class of nanomaterials with attractive optical properties, which promise to enable a variety of applications. An important and timely question is whether CDs can become a functional and sustainable alternative to incumbent optical nanomaterials, notably inorganic quantum dots. Herein, the current CD literature is comprehensively reviewed as regards to their synthesis and function, with a focus on sustainability aspects. The study quantifies why it is attractive that CDs can be synthesized with biomass as the sole starting material and be free from toxic and precious metals and critical raw materials. It further describes and analyzes employed pretreatment, chemical-conversion, purification, and processing procedures, and highlights current issues with the usage of solvents, the energy and material efficiency, and the safety and waste management. It is specially shown that many reported synthesis and processing methods are concerningly wasteful with the utilization of non-sustainable solvents and energy. It is finally recommended that future studies should explicitly consider and discuss the environmental influence of the selected starting material, solvents, and generated byproducts, and that quantitative information on the required amounts of solvents, consumables, and energy should be provided to enable an evaluation of the presented methods in an upscaled sustainability context.
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Affiliation(s)
- Junkai Ren
- The Organic Photonics and Electronics Group, Department of Physics, Umeå University, Umeå, SE-90187, Sweden
| | - Henry Opoku
- The Organic Photonics and Electronics Group, Department of Physics, Umeå University, Umeå, SE-90187, Sweden
| | - Shi Tang
- The Organic Photonics and Electronics Group, Department of Physics, Umeå University, Umeå, SE-90187, Sweden
- LunaLEC AB, Umeå University, Umeå, SE-90187, Sweden
| | - Ludvig Edman
- The Organic Photonics and Electronics Group, Department of Physics, Umeå University, Umeå, SE-90187, Sweden
- LunaLEC AB, Umeå University, Umeå, SE-90187, Sweden
- Wallenberg Initiative Materials Science for Sustainability, Department of Physics, Umeå University, Umeå, SE-90187, Sweden
| | - Jia Wang
- The Organic Photonics and Electronics Group, Department of Physics, Umeå University, Umeå, SE-90187, Sweden
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Kilic NM, Gelen SS, Er Zeybekler S, Odaci D. Carbon-Based Nanomaterials Decorated Electrospun Nanofibers in Biosensors: A Review. ACS OMEGA 2024; 9:3-15. [PMID: 38222586 PMCID: PMC10785068 DOI: 10.1021/acsomega.3c00798] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 07/20/2023] [Revised: 11/17/2023] [Accepted: 11/24/2023] [Indexed: 01/16/2024]
Abstract
Nanomaterials have revolutionized scientific research due to their exceptional physical and chemical capabilities. Carbon-based nanomaterials such as graphene and its derivates have excellent electrical, optical, thermal, physical, and chemical properties that have made them indispensable in several industries worldwide, including medicine, electronics, and energy. By incorporating carbon-based nanomaterials as nanofillers in electrospun nanofibers (ESNFs), smoother and highly conductive nanofibers can be achieved that possess a large surface area and porosity. This approach provides a superior alternative to traditional materials in the development of improved biosensors. Carbon-based ESNFs, among the most exciting new-generation materials, have many applications, including filtration, pharmaceuticals, biosensors, and membranes. The electrospinning technique is a highly efficient and cost-effective method for producing desired nanofibers compared to other methods. Various types of natural and synthetic organic polymers have been successfully utilized in solution electrospinning to produce nanofibers directly. To create diagnostics devices, various biomolecules like antibodies, enzymes, aptamers, ligands, and even cells can be bound to the surface of nanofibers. Electrospun nanofibers can serve as an immobilization matrix to create a biofunctional surface. Thus, biosensors with desired features can be produced in this way. This study comprehensively reviews biosensors that integrate nanodiamonds, fullerenes, carbon nanotubes, graphene oxide, and carbon dots into electrospun nanofibers.
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Affiliation(s)
- Nur Melis Kilic
- Ege
University, Faculty of Science
Biochemistry Department, 35100 Bornova-Izmir, Turkey
| | - Sultan Sacide Gelen
- Ege
University, Faculty of Science
Biochemistry Department, 35100 Bornova-Izmir, Turkey
| | - Simge Er Zeybekler
- Ege
University, Faculty of Science
Biochemistry Department, 35100 Bornova-Izmir, Turkey
| | - Dilek Odaci
- Ege
University, Faculty of Science
Biochemistry Department, 35100 Bornova-Izmir, Turkey
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Rostami M, Zhang B, Zhang Y. Selective detection of nitenpyram by silica-supported carbon quantum dots. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2023; 292:122387. [PMID: 36731305 DOI: 10.1016/j.saa.2023.122387] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/11/2022] [Revised: 12/06/2022] [Accepted: 01/16/2023] [Indexed: 06/18/2023]
Abstract
In this study, a fluorescent sensor of nitrogen-doped carbon quantum dots (N-CQDs) and silica gel hybrid was developed for the quantitative detection of nitenpyram, a toxic neonicotinoid existing in groundwater and/or surface water.The prepared N-CQDs@SiO2 sensor exhibited remarkable sensing selectivity and sensitivity towards nitenpyram among the four pesticides and six metal ions. A prominent fluorescence quenching of N-CQDs@SiO2 at 445 nm was observed in the presence of nitenpyram with a linear response range of 0-300.0 mg L-1 and an estimated limit of detection of 1.53 mg L-1. The main cause for selective sensing is that nitenpyram absorbs the excitation light of N-CQDs@SiO2, leading to fluorescence quenching of the sensor through the inner filter effect.
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Affiliation(s)
- Masoumeh Rostami
- Department of Process Engineering, Faculty of Engineering and Applied Science, Memorial University of Newfoundland, St. John's A1C 5S7, Canada
| | - Baiyu Zhang
- The Northern Region Persistent Organic Pollution Control (NRPOP) Laboratory, Faculty of Engineering and Applied Science, Memorial University of Newfoundland, St. John's A1C 5S7, Canada
| | - Yan Zhang
- Department of Process Engineering, Faculty of Engineering and Applied Science, Memorial University of Newfoundland, St. John's A1C 5S7, Canada.
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Jiang T, Huang J, Ran G, Song Q, Wang C. A colorimetric and fluorometric dual-mode carbon dots probe derived from phenanthroline precursor for the selective detection of Fe 2+ and Fe 3. ANAL SCI 2023; 39:325-333. [PMID: 36539607 DOI: 10.1007/s44211-022-00236-x] [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: 10/22/2022] [Accepted: 12/09/2022] [Indexed: 12/24/2022]
Abstract
Iron's metabolism is heavily involved in the regulation of redox balance for cell functions, however, the simultaneous monitoring of Fe2+/3+ concentration is still a great challenge due to their transitional nature in biological systems. A novel type of carbon dots (CDs) was synthesized by solvothermal treatment with 5-amino-1,10-phenanthroline (Aphen) and salicylic acid as precursors, and the resulting targeted CDs (T-CDs) were used to simultaneously detect Fe2+ and Fe3+. Comprehensive experimental characterizations revealed that the strong binding affinity of Aphen moiety to Fe2+ leads to the formation of rigid T-CDs aggregates, which causes a substantial enhancement of fluorescence intensity, whereas Fe3+ could cause the fluorescence quenching of T-CDs due to the oxidation-reduction induced electron transfer. These different fluorescence responses allow T-CDs to sensitively differentiate Fe2+ from Fe3+, and give the limit of detection (LOD) of 1.78 and 2.78 μM for Fe2+ and Fe3+, respectively. Furthermore, the Aphen dominated structure endows the T-CDs with a colorimetric response to Fe2+ with a LOD of 0.13 μM, which is very different from Fe3+. Thus, the dynamic changes of Fe2+ and Fe3+ in solution can be accurately monitored by T-CDs within the total iron concentration of 50 μM, which is probably the most sensitive dual-mode probe reported so far. In addition, this probe is successfully applied to detect the Fe2+/3+ concentration in cells, demonstrating a huge application potential in the sensing of the dynamic equilibrium of these important transition metals during the cell metabolism or stimulated process. The dynamic changes of Fe2+ and Fe3+ in solution can be accurately monitored by carbon dots based on the colorimetric and fluorometric dual-mode.
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Affiliation(s)
- Tao Jiang
- Key Laboratory of Synthetic and Biological Colloids, Ministry of Education, International Joint Research Center for Photoresponsive Molecules and Materials, School of Chemical and Material Engineering, Jiangnan University, Wuxi, 214122, China
| | - Jianfeng Huang
- Department of Radiation Oncology, Affiliated Hospital of Jiangnan University, Wuxi, 214122, China
| | - Guoxia Ran
- Key Laboratory of Synthetic and Biological Colloids, Ministry of Education, International Joint Research Center for Photoresponsive Molecules and Materials, School of Chemical and Material Engineering, Jiangnan University, Wuxi, 214122, China
| | - Qijun Song
- Key Laboratory of Synthetic and Biological Colloids, Ministry of Education, International Joint Research Center for Photoresponsive Molecules and Materials, School of Chemical and Material Engineering, Jiangnan University, Wuxi, 214122, China
| | - Chan Wang
- Key Laboratory of Synthetic and Biological Colloids, Ministry of Education, International Joint Research Center for Photoresponsive Molecules and Materials, School of Chemical and Material Engineering, Jiangnan University, Wuxi, 214122, China.
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Song Y, Xia X, Xiao Z, Zhao Y, Yan M, Li J, Li H, Liu X. Synthesis of N,S co-doped carbon dots for fluorescence turn-on detection of Fe2+ and Al3+ in a wide pH range. J Mol Liq 2022. [DOI: 10.1016/j.molliq.2022.120663] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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Sahu Y, Hashmi A, Patel R, Singh AK, Susan MABH, Carabineiro SAC. Potential Development of N-Doped Carbon Dots and Metal-Oxide Carbon Dot Composites for Chemical and Biosensing. NANOMATERIALS (BASEL, SWITZERLAND) 2022; 12:3434. [PMID: 36234561 PMCID: PMC9565249 DOI: 10.3390/nano12193434] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/18/2022] [Revised: 09/20/2022] [Accepted: 09/23/2022] [Indexed: 05/31/2023]
Abstract
Among carbon-based nanomaterials, carbon dots (CDs) have received a surge of interest in recent years due to their attractive features such as tunable photoluminescence, cost effectiveness, nontoxic renewable resources, quick and direct reactions, chemical and superior water solubility, good cell-membrane permeability, and simple operation. CDs and their composites have a large potential for sensing contaminants present in physical systems such as water resources as well as biological systems. Tuning the properties of CDs is a very important subject. This review discusses in detail heteroatom doping (N-doped CDs, N-CDs) and the formation of metal-based CD nanocomposites using a combination of matrices, such as metals and metal oxides. The properties of N-CDs and metal-based CDs nanocomposites, their syntheses, and applications in both chemical sensing and biosensing are reviewed.
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Affiliation(s)
- Yogita Sahu
- Department of Chemistry, Govt. V. Y. T. PG. Autonomous College, Durg 491001, Chhattisgarh, India
| | - Ayesha Hashmi
- Department of Chemistry, Govt. V. Y. T. PG. Autonomous College, Durg 491001, Chhattisgarh, India
| | - Rajmani Patel
- Hemchand Yadav University, Durg 491001, Chhattisgarh, India
| | - Ajaya K. Singh
- Department of Chemistry, Govt. V. Y. T. PG. Autonomous College, Durg 491001, Chhattisgarh, India
- School of Chemistry & Physics, University of KwaZulu-Natal, Westville Campus, Durban 4000, South Africa
| | | | - Sónia A. C. Carabineiro
- LAQV-REQUIMTE, Department of Chemistry, NOVA School of Science and Technology, Universidade NOVA de Lisboa, 2829-516 Caparica, Portugal
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Durrani S, Zhang J, Pang AP, Gao Y, Wang TY, Wang H, Wu FG, Lin F. Carbon dots for multicolor cell imaging and ultra-sensitive detection of multiple ions in living cells: One Stone for multiple Birds. ENVIRONMENTAL RESEARCH 2022; 212:113260. [PMID: 35500853 DOI: 10.1016/j.envres.2022.113260] [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: 11/13/2021] [Revised: 03/14/2022] [Accepted: 04/03/2022] [Indexed: 06/14/2023]
Abstract
Given the significant impact of ions on environment pollution and human health, it is urgently needed to establish effective and convenient ion detection approaches, particularly in living cells. In this paper, we constructed multicolor N-doped-carbon dots (mPD-CDs) by facile one-step hydrothermal carbonization of m-phenylenediamine (mPD). mPD-CDs were successfully deployed for multicolor cellular imaging for animal cells, fungi, and bacteria in a wash-free way with high photostability and satisfactory biocompability. Moreover, mPD-CDs can be used as a fluorescent sensing probe for ultrasensitive detection of both iodide ion (I-) and typical heavy metals such as cadmium (Cd2+), copper (Cu2+), mercury (Hg2+), gadolinium (Gd3+), ferrous ion (Fe2+), Zinc (Zn2+), and ferric ion (Fe3+). This is the first report using CDs as optical sensing probe for the detection of Gd3+, and for detection of Fe3+ with fluorescence "turn on". More significantly, with these versatile and fascinating properties, we applied mPD-CDs for intracellular ion detection in living cells like Hep G2 and S. cerevisiae, and zebra fish. Altogether, mPD-CDs displayed great potential for multicolor cell imaging and the multiple ion detection in vitro and in vivo, presenting a promising strategy for in-situ ultrasensitive sensing of multiple metal ions in the environment and the biological systems.
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Affiliation(s)
- Samran Durrani
- State Key Laboratory of Bioelectronics, School of Biological Science and Medical Engineering, Southeast University, Nanjing, 210096, China
| | - Jie Zhang
- State Key Laboratory of Bioelectronics, School of Biological Science and Medical Engineering, Southeast University, Nanjing, 210096, China
| | - Ai-Ping Pang
- State Key Laboratory of Bioelectronics, School of Biological Science and Medical Engineering, Southeast University, Nanjing, 210096, China
| | - Yichen Gao
- State Key Laboratory of Bioelectronics, School of Biological Science and Medical Engineering, Southeast University, Nanjing, 210096, China
| | - Tian-Yu Wang
- State Key Laboratory of Bioelectronics, School of Biological Science and Medical Engineering, Southeast University, Nanjing, 210096, China
| | - Haiyan Wang
- State Key Laboratory of Bioelectronics, School of Biological Science and Medical Engineering, Southeast University, Nanjing, 210096, China
| | - Fu-Gen Wu
- State Key Laboratory of Bioelectronics, School of Biological Science and Medical Engineering, Southeast University, Nanjing, 210096, China
| | - Fengming Lin
- State Key Laboratory of Bioelectronics, School of Biological Science and Medical Engineering, Southeast University, Nanjing, 210096, China.
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Manikandan V, Lee NY. Green synthesis of carbon quantum dots and their environmental applications. ENVIRONMENTAL RESEARCH 2022; 212:113283. [PMID: 35461844 DOI: 10.1016/j.envres.2022.113283] [Citation(s) in RCA: 46] [Impact Index Per Article: 23.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/22/2022] [Revised: 04/07/2022] [Accepted: 04/08/2022] [Indexed: 05/25/2023]
Abstract
Green synthesis of scalable, high-quality, fluorescent carbon quantum dots (CQDs) from natural biomass remains attractive due to their outstanding environmental application. CQDs are an emerging class of zero-dimensional carbon nanomaterials (<10 nm) that have recently attracted much attention due to their strong optical properties, biocompatibility, nontoxicity, uniform particle size, high photostability, low-cost synthesis, and highly tunable photoluminescence. The unique properties of CQDs possess a broad range of prospective applications in a number of fields such as metal ions detection, photocatalysis, sensing, medical diagnosis, bioimaging, and drug delivery. CQD nanostructures are synthesized using various techniques such as hydrothermal method, laser ablation, microwave irradiation, electrochemical oxidation, reflux method, and ultrasonication. However, this type of fabrication approach requires several chemical reactions including oxidation, carbonization, and pyrolysis. Green synthesis of CQDs has several advantages such as the use of low-cost and non-toxic raw materials, renewable resources, simple operations, and being environment-friendly. This review article will discuss the physicochemical properties of CQDs techniques used in the production of CQDs, and the stability of CQDs along with their applications in wastewater treatment and biomedical fields.
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Affiliation(s)
- Velu Manikandan
- Department of BioNano Technology, Gachon University, 1342 Seongnam-daero, Sujeong-gu, Seongnam-si, Gyeonggi-do, 13120, South Korea
| | - Nae Yoon Lee
- Department of BioNano Technology, Gachon University, 1342 Seongnam-daero, Sujeong-gu, Seongnam-si, Gyeonggi-do, 13120, South Korea
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9
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Ruan H, Zhou L. Synthesis of Fluorescent Sulfur Quantum Dots for Bioimaging and Biosensing. Front Bioeng Biotechnol 2022; 10:909727. [PMID: 35651550 PMCID: PMC9149076 DOI: 10.3389/fbioe.2022.909727] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2022] [Accepted: 04/14/2022] [Indexed: 01/26/2023] Open
Abstract
The rapid industrialization has had a serious impact on the environment, leading to an increase in disease and healthcare problems. The development of simple and effective biosensors to achieve specific analyte detection and bioimaging can provide useful information for disease prevention and treatment. Sulfur quantum dots (SQDs), a new class of metal-free fluorescent nanomaterial, are being studied and applied in diagnostic fields such as bioimaging and biosensing due to their advantages of simple synthetic process, unique composition, ultrasmall size, adjustable fluorescence, and low toxicity. This minireview highlights the main synthetic methods to synthesize fluorescent SQDs and their recent progress in cell and tissue imaging, as well as detection of biomolecules, metal ions, and temperature. Finally, the future development and some critical challenges of SQDs as a fluorescent probe in the field of bioimaging and biosensing are also discussed.
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Jung H, Sapner VS, Adhikari A, Sathe BR, Patel R. Recent Progress on Carbon Quantum Dots Based Photocatalysis. Front Chem 2022; 10:881495. [PMID: 35548671 PMCID: PMC9081694 DOI: 10.3389/fchem.2022.881495] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2022] [Accepted: 03/07/2022] [Indexed: 12/03/2022] Open
Abstract
As a novel carbon allotrope, carbon quantum dots (CQDs) have been investigated in various fields, including photocatalysis, bioimaging, optoelectronics, energy and photovoltaic devices, biosensing, and drug delivery owing to their unique optical and electronic properties. In particular, CQDs' excellent sunlight harvesting ability, tunable photoluminescence (PL), up-conversion photoluminescence (UCPL), and efficient photo-excited electron transfer have enabled their applications in photocatalysis. This work focuses on the recent progress on CQDs-related materials' synthesis, properties, and applications in photocatalysis.
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Affiliation(s)
- Hwapyung Jung
- Nano Science and Engineering, Integrated Science and Engineering Division (ISED), Underwood International College, Yonsei University, Incheon, South Korea
| | - Vijay S. Sapner
- Department of Chemistry, Dr. Babasaheb Ambedkar Marathwada University Aurangabad, Seoul, South Korea
| | | | - Bhaskar R. Sathe
- Department of Chemistry, Dr. Babasaheb Ambedkar Marathwada University Aurangabad, Seoul, South Korea,*Correspondence: Bhaskar R. Sathe, ; Rajkumar Patel,
| | - Rajkumar Patel
- Energy and Environmental Science and Engineering (EESE), Integrated Science and Engineering Division (ISED), Underwood International College, Yonsei University, Incheon, South Korea,*Correspondence: Bhaskar R. Sathe, ; Rajkumar Patel,
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Phan LMT, Hoang TX, Cho S. Fluorescent Carbon Dots for Sensitive and Rapid Monitoring of Intracellular Ferrous Ion. BIOSENSORS 2022; 12:41. [PMID: 35049669 PMCID: PMC8774161 DOI: 10.3390/bios12010041] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/13/2021] [Revised: 12/30/2021] [Accepted: 01/12/2022] [Indexed: 05/03/2023]
Abstract
Although iron is an essential constituent for almost all living organisms, iron dyshomeostasis at a cellular level may trigger oxidative stress and neuronal damage. Hence, there are numerous reported carbon dots (CDs) that have been synthesized and applied to determine intracellular iron ions. However, among reported CDs focused to detect Fe3+ ions, only a few CDs have been designed to specifically determine Fe2+ ions over Fe3+ ions for monitoring of intracellular Fe2+ ions. We have developed the nitrogen-doped CDs (NCDs) for fluorescence turn-off detection of Fe2+ at cellular level. The as-synthesized NCDs exhibit a strong blue fluorescence and low cytotoxicity, acting as fluorescence probes to detect Fe2+ as low as 0.702 µM in aqueous solution within 2 min and visualize intracellular Fe2+ in the concentration range from 0 to 500 µM within 20 min. The as-prepared NCDs possess some advantages such as high biocompatibility, strong fluorescence properties, selectivity, and rapidity for intracellular Fe2+ monitoring, making NCDs an excellent nanoprobe for biosensing of intracellular ferrous ions.
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Affiliation(s)
- Le Minh Tu Phan
- School of Medicine and Pharmacy, The University of Danang, Danang 550000, Vietnam
- Department of Electronic Engineering, Gachon University, Seongnam-si 13120, Korea
| | - Thi Xoan Hoang
- Department of Life Science, Gachon University, Seongnam-si 13120, Korea;
| | - Sungbo Cho
- Department of Electronic Engineering, Gachon University, Seongnam-si 13120, Korea
- Department of Health Sciences and Technology, GAIHST, Gachon University, Incheon 21999, Korea
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Lin L, Zheng Q, Chen Q, Fang M, Lai Q, He X, Qin J, Lin ZJ, Lin R. Preparation of fluorescent organic nanoparticles via self-polymerization for tartrazine detection in food samples. NEW J CHEM 2022. [DOI: 10.1039/d1nj05176h] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Fluorescent polydopamine nanoparticles (PDA NPs) have been effectively synthesized by means of self-polymerization of dopamine under the strong alkaline condition of ethylenediamine at room temperature for 2.5 h.
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Affiliation(s)
- Liping Lin
- Department of Applied Chemistry, College of Life Sciences, Fujian Agriculture and Forestry University, Fuzhou 350002, China
| | - Qiaoling Zheng
- Department of Applied Chemistry, College of Life Sciences, Fujian Agriculture and Forestry University, Fuzhou 350002, China
| | - Qiushuang Chen
- Department of Applied Chemistry, College of Life Sciences, Fujian Agriculture and Forestry University, Fuzhou 350002, China
| | - Meng Fang
- Department of Applied Chemistry, College of Life Sciences, Fujian Agriculture and Forestry University, Fuzhou 350002, China
| | - Qingjiao Lai
- Department of Applied Chemistry, College of Life Sciences, Fujian Agriculture and Forestry University, Fuzhou 350002, China
| | - Xinghao He
- Department of Applied Chemistry, College of Life Sciences, Fujian Agriculture and Forestry University, Fuzhou 350002, China
| | - Jinying Qin
- Department of Applied Chemistry, College of Life Sciences, Fujian Agriculture and Forestry University, Fuzhou 350002, China
| | - Zu-jin Lin
- Department of Applied Chemistry, College of Life Sciences, Fujian Agriculture and Forestry University, Fuzhou 350002, China
| | - Rongguang Lin
- Department of Applied Chemistry, College of Life Sciences, Fujian Agriculture and Forestry University, Fuzhou 350002, China
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Latief U, Ul Islam S, Khan ZMSH, Khan MS. A facile green synthesis of functionalized carbon quantum dots as fluorescent probes for a highly selective and sensitive detection of Fe 3+ ions. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2021; 262:120132. [PMID: 34245967 DOI: 10.1016/j.saa.2021.120132] [Citation(s) in RCA: 30] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/19/2021] [Revised: 06/19/2021] [Accepted: 06/26/2021] [Indexed: 05/07/2023]
Abstract
In this study, we have reported an economical, easy, greener and non-toxic synthesis route of water soluble carbon quantum dots (CQDs) through hydrothermal treatment using gelatin as precursor. Under the UV lamp of wavelength 365 nm, the as-prepared CQDs exhibit strong blue fluorescence along with CIE coordinate index of (0.17, 0.14) and possess a quantum yield of 22.7% with rhodamine B as standard. The morphology of as-synthesized CQDs as investigated by TEM measurement confirmed their spherical shape and also revealed that their sizes varied in the scale of 0.5-5 nm. Furthermore, the CQDs showed excitation dependent fluorescence emission behaviour in range of 280 nm to 420 nm as a result of quantum confinement effect. Apart from this, in CQDs solution, the addition of Fe3+ ion lead to fluorescence quenching effect. These results revealed that the as-synthesized CQDs have a sensitive response towards the Fe3+ ion. The calculated limit of detection (LOD) is 0.2 μM with correlation coefficient R2 = 0.996 in the concentration range 0 to 50 μM. More remarkably, the application of CQDs for monitoring the trace level of Fe3+ ion in tap water yielded acceptable recoveries (103.33%-105%). Therefore, this work provides a novel additional fluorescent probe for the detection of Fe3+ ion in real world.
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Affiliation(s)
- Urosa Latief
- Department of Physics, Jamia Millia Islamia, New Delhi 110025, India
| | - Shafi Ul Islam
- Department of Physics, Jamia Millia Islamia, New Delhi 110025, India
| | - Zubair M S H Khan
- Department of Physics, Jamia Millia Islamia, New Delhi 110025, India
| | - Mohd Shahid Khan
- Department of Physics, Jamia Millia Islamia, New Delhi 110025, India.
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14
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Zhang SR, Cai SK, Wang GQ, Cui JZ, Gao CZ. One-step synthesis of N, P-doped carbon quantum dots for selective and sensitive detection of Fe2+ and Fe3+ and scale inhibition. J Mol Struct 2021. [DOI: 10.1016/j.molstruc.2021.131173] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
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15
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16
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Calabrese G, De Luca G, Nocito G, Rizzo MG, Lombardo SP, Chisari G, Forte S, Sciuto EL, Conoci S. Carbon Dots: An Innovative Tool for Drug Delivery in Brain Tumors. Int J Mol Sci 2021; 22:11783. [PMID: 34769212 PMCID: PMC8583729 DOI: 10.3390/ijms222111783] [Citation(s) in RCA: 32] [Impact Index Per Article: 10.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2021] [Revised: 10/26/2021] [Accepted: 10/28/2021] [Indexed: 01/16/2023] Open
Abstract
Brain tumors are particularly aggressive and represent a significant cause of morbidity and mortality in adults and children, affecting the global population and being responsible for 2.6% of all cancer deaths (as well as 30% of those in children and 20% in young adults). The blood-brain barrier (BBB) excludes almost 100% of the drugs targeting brain neoplasms, representing one of the most significant challenges to current brain cancer therapy. In the last decades, carbon dots have increasingly played the role of drug delivery systems with theranostic applications against cancer, thanks to their bright photoluminescence, solubility in bodily fluids, chemical stability, and biocompatibility. After a summary outlining brain tumors and the current drug delivery strategies devised in their therapeutic management, this review explores the most recent literature about the advances and open challenges in the employment of carbon dots as both diagnostic and therapeutic agents in the treatment of brain cancers, together with the strategies devised to allow them to cross the BBB effectively.
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Affiliation(s)
- Giovanna Calabrese
- Dipartimento di Scienze Chimiche, Biologiche, Farmaceutiche ed Ambientali—Università degli Studi di Messina, Viale Ferdinando Stagno d’Alcontres, 31, 98168 Messina, Italy; (G.N.); (M.G.R.); (S.C.)
| | - Giovanna De Luca
- Dipartimento di Scienze Chimiche, Biologiche, Farmaceutiche ed Ambientali—Università degli Studi di Messina, Viale Ferdinando Stagno d’Alcontres, 31, 98168 Messina, Italy; (G.N.); (M.G.R.); (S.C.)
| | - Giuseppe Nocito
- Dipartimento di Scienze Chimiche, Biologiche, Farmaceutiche ed Ambientali—Università degli Studi di Messina, Viale Ferdinando Stagno d’Alcontres, 31, 98168 Messina, Italy; (G.N.); (M.G.R.); (S.C.)
| | - Maria Giovanna Rizzo
- Dipartimento di Scienze Chimiche, Biologiche, Farmaceutiche ed Ambientali—Università degli Studi di Messina, Viale Ferdinando Stagno d’Alcontres, 31, 98168 Messina, Italy; (G.N.); (M.G.R.); (S.C.)
| | - Sofia Paola Lombardo
- Istituto Oncologico del Mediterraneo, Via Penninazzo 7, 95029 Viagrande, Italy; (S.P.L.); (G.C.)
| | - Giulia Chisari
- Istituto Oncologico del Mediterraneo, Via Penninazzo 7, 95029 Viagrande, Italy; (S.P.L.); (G.C.)
| | - Stefano Forte
- IOM Ricerca, Via Penninazzo 11, 95029 Viagrande, Italy;
| | - Emanuele Luigi Sciuto
- A.O.-Universitaria Policlinico “G. Rodolico–San Marco”, Via Santa Sofia 78, 95123 Catania, Italy;
| | - Sabrina Conoci
- Dipartimento di Scienze Chimiche, Biologiche, Farmaceutiche ed Ambientali—Università degli Studi di Messina, Viale Ferdinando Stagno d’Alcontres, 31, 98168 Messina, Italy; (G.N.); (M.G.R.); (S.C.)
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Wang W, Zhang J, Tian P, Wang X, Qian W, Huang G, Liu X, Liu B. Ionic Liquid‐Functionalized CQDs as Effective “Signal‐Off” Fluorescence Nanoprobes for Selective and Sensitive Detection of Iron (III) and Chromium (VI). ChemistrySelect 2021. [DOI: 10.1002/slct.202102634] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023]
Affiliation(s)
- Wei Wang
- School of Chemistry and Chemical Engineering Lanzhou Jiaotong University NO. 88 Anning West Road, Anning District Lanzhou 730070 P.R. China
| | - Jian Zhang
- School of Chemistry and Chemical Engineering Lanzhou Jiaotong University NO. 88 Anning West Road, Anning District Lanzhou 730070 P.R. China
| | - Pei Tian
- School of Chemistry and Chemical Engineering Lanzhou Jiaotong University NO. 88 Anning West Road, Anning District Lanzhou 730070 P.R. China
| | - Xiaojian Wang
- School of Chemistry and Chemical Engineering Lanzhou Jiaotong University NO. 88 Anning West Road, Anning District Lanzhou 730070 P.R. China
| | - Wenzhen Qian
- School of Environment and Municipal Engineering Lanzhou Jiaotong University NO. 88 Anning West Road, Anning District Lanzhou 730070 P.R. China
| | - Guowei Huang
- State Key Laboratory of Advanced Processing and Recycling of Nonferrous Metals Lanzhou University of Technology No.287 Langongping Road, Qilihe District Lanzhou 730050 P.R. China
| | - Xi Liu
- School of Materials Science and Engineering Lanzhou Jiaotong University NO. 88 Anning West Road, Anning District Lanzhou 730070 P.R. China
| | - Baoyong Liu
- School of Chemistry and Chemical Engineering Lanzhou Jiaotong University NO. 88 Anning West Road, Anning District Lanzhou 730070 P.R. China
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18
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Song D, Xu W, Luo M, You K, Tang J, Wen H, Cheng X, Luo X, Wang Z. Turning single bubble sonoluminescence from blue in pure water to green by adding trace amount of carbon nanodots. ULTRASONICS SONOCHEMISTRY 2021; 78:105727. [PMID: 34509955 PMCID: PMC8441195 DOI: 10.1016/j.ultsonch.2021.105727] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/04/2021] [Revised: 08/12/2021] [Accepted: 08/13/2021] [Indexed: 06/13/2023]
Abstract
Sonoluminescence (SL) is an interesting physical effect which can convert acoustic energy into light pulses. Up to now, the microscopic mechanism of the SL has not yet been fully clear. It is known that hydroxyl radicals play the important role for SL from water. In this work, we take advantage of carbon nano-dots (CNDs) as free radical captors to modulate the hydroxyl radicals (OH) in SL effect. Through studying the single bubble SL (SBSL) from CND aqueous solution (CNDAS) with trace amount of CNDs, we find that the color of SBSL is tuned dramatically from blue in water to green in CNDAS. Two different SL mechanisms can be identified from emission spectrum. One comes from blackbody-like radiation and another is attributed from the characteristic emission with identified peaks. The decrease in the yield of H2O2 in the presence of CNDs suggests the modulation effect on SL via OH interacting with CNDs. By comparison of the CNDs before and after sonication, it is found that hydroxyl radicals generated during SL can take part in the chain-like oxidation of the chemical groups attached to the CNDs to form larger amount of carboxyl groups. The blackbody temperature of blackbody-like radiation decreases from 15,600 K in water to 11,300 K in CNDAS. Moreover, the emission from hydroxyl radicals and two new luminescent centers related to carboxyl groups are introduced in SL from CNDAS. These important and interesting findings indicate that by adding trace amount of CNDs in water, the effect of SBSL can be significantly modulated, which can provide a macroscopic phenomenon for gaining an insight into the microscopic mechanism of the SL effect.
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Affiliation(s)
- Dan Song
- Key Laboratory of Ultrasound in Medicine and Engineering, College of Biomedical Engineering, Chongqing Medical University, Chongqing 400010, China; Key Laboratory of Materials Physics, Institute of Solid State Physics, HFIPS, Chinese Academy of Sciences, Hefei 230031, China; University of Science and Technology of China, Hefei 230026, China
| | - Wen Xu
- Key Laboratory of Materials Physics, Institute of Solid State Physics, HFIPS, Chinese Academy of Sciences, Hefei 230031, China; School of Physics and Astronomy, Yunnan University, Kunming 650000, China; Micro Optical Instruments Inc., 518118 Shenzhen, China.
| | - Man Luo
- Key Laboratory of Ultrasound in Medicine and Engineering, College of Biomedical Engineering, Chongqing Medical University, Chongqing 400010, China
| | - Kaijun You
- Key Laboratory of Ultrasound in Medicine and Engineering, College of Biomedical Engineering, Chongqing Medical University, Chongqing 400010, China
| | - Ju Tang
- School of Physics and Astronomy, Yunnan University, Kunming 650000, China
| | - Hua Wen
- Key Laboratory of Materials Physics, Institute of Solid State Physics, HFIPS, Chinese Academy of Sciences, Hefei 230031, China; University of Science and Technology of China, Hefei 230026, China
| | - Xingjia Cheng
- Key Laboratory of Materials Physics, Institute of Solid State Physics, HFIPS, Chinese Academy of Sciences, Hefei 230031, China; University of Science and Technology of China, Hefei 230026, China
| | - Xiaobing Luo
- Key Laboratory of Ultrasound in Medicine and Engineering, College of Biomedical Engineering, Chongqing Medical University, Chongqing 400010, China
| | - Zhibiao Wang
- Key Laboratory of Ultrasound in Medicine and Engineering, College of Biomedical Engineering, Chongqing Medical University, Chongqing 400010, China.
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Khayal A, Dawane V, Amin MA, Tirth V, Yadav VK, Algahtani A, Khan SH, Islam S, Yadav KK, Jeon BH. Advances in the Methods for the Synthesis of Carbon Dots and Their Emerging Applications. Polymers (Basel) 2021; 13:3190. [PMID: 34578091 PMCID: PMC8469539 DOI: 10.3390/polym13183190] [Citation(s) in RCA: 30] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2021] [Revised: 09/15/2021] [Accepted: 09/16/2021] [Indexed: 01/11/2023] Open
Abstract
Cutting-edge technologies are making inroads into new areas and this remarkable progress has been successfully influenced by the tiny level engineering of carbon dots technology, their synthesis advancement and impressive applications in the field of allied sciences. The advances of science and its conjugation with interdisciplinary fields emerged in carbon dots making, their controlled characterization and applications into faster, cheaper as well as more reliable products in various scientific domains. Thus, a new era in nanotechnology has developed into carbon dots technology. The understanding of the generation process, control on making processes and selected applications of carbon dots such as energy storage, environmental monitoring, catalysis, contaminates detections and complex environmental forensics, drug delivery, drug targeting and other biomedical applications, etc., are among the most promising applications of carbon dots and thus it is a prominent area of research today. In this regard, various types of carbon dot nanomaterials such as oxides, their composites and conjugations, etc., have been garnering significant attention due to their remarkable potential in this prominent area of energy, the environment and technology. Thus, the present paper highlights the role and importance of carbon dots, recent advancements in their synthesis methods, properties and emerging applications.
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Affiliation(s)
- Areeba Khayal
- Industrial Chemistry Section, Aligarh Muslim University, Aligarh 202002, India;
| | - Vinars Dawane
- School of Environment and Sustainable Development, Central University of Gujarat, Gandhinagar 382030, India;
| | - Mohammed A. Amin
- Department of Chemistry, College of Science, Taif University, Taif 21944, Saudi Arabia;
| | - Vineet Tirth
- Mechanical Engineering Department, College of Engineering, King Khalid University, Abha 61411, Saudi Arabia or (V.T.); (A.A.)
- Research Center for Advanced Materials Science (RCAMS), King Khalid University Guraiger, Abha 61413, Saudi Arabia
| | | | - Ali Algahtani
- Mechanical Engineering Department, College of Engineering, King Khalid University, Abha 61411, Saudi Arabia or (V.T.); (A.A.)
- Research Center for Advanced Materials Science (RCAMS), King Khalid University Guraiger, Abha 61413, Saudi Arabia
| | - Samreen Heena Khan
- Centre of Research and Development, YNC ENVIS PRIVATE LIMITED, New Delhi 110059, India;
| | - Saiful Islam
- Civil Engineering Department, College of Engineering, King Khalid University, Abha 61413, Saudi Arabia;
| | - Krishna Kumar Yadav
- Faculty of Science and Technology, Madhyanchal Professional University, Ratibad 462044, India;
| | - Byong-Hun Jeon
- Department of Earth Resources and Environmental Engineering, Hanyang University, Seoul 04763, Korea
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20
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Song D, Xu W, Luo M, Zhang M, Wen H, Cheng X, Luo X, Wang Z. Influence of carbon nano-dots in water on sonoluminescence. NANOSCALE 2021; 13:14130-14138. [PMID: 34477694 DOI: 10.1039/d1nr02194j] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/09/2023]
Abstract
Sonoluminescence (SL) occurs when acoustically induced oscillating bubbles in a liquid collapse. The SL from pure water normally generates ultraviolet to blue emission which is related to hydroxyl plasma formed in and around the bubbles. It is known that carbon nano-dots (CNDs) can serve as free radical captors, where the C-bonds can couple strongly with free radicals and form C-based functional groups. In this work, a SL experiment is conducted via placing CND aqueous solution (CNDAS) in the focal area of the SL apparatus. Unexpectedly and dramatically, it is found that the color of SL now turns orange, which is so bright that it can be seen even by the naked eye. By examining the CNDAS before and after the SL experiment, it is observed that the influence of CNDs on optical absorption, photoluminescence and SL is mainly achieved via coupling between the C-bonds in the CNDs and the free hydroxyl radicals generated during the processes of acoustically driven cavitation and SL. The interesting and important findings from this work demonstrate that the CNDs in water can modify significantly the SL effect. Thus, CNDs can provide a new test medium for studying and revealing the microscopic mechanism of the SL phenomenon.
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Affiliation(s)
- Dan Song
- Key Laboratory of Materials Physics, Institute of Solid State Physics, HFIPS, Chinese Academy of Sciences, Hefei 230031, China.
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21
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Pan YY, Yin WM, Meng RJ, Guo YR, Zhang JG, Pan QJ. Productive preparation of N-doped carbon dots from sodium lignosulfonate/melamine formaldehyde foam and its fluorescence detection of trivalent iron ions. RSC Adv 2021; 11:24038-24043. [PMID: 35479045 PMCID: PMC9036664 DOI: 10.1039/d1ra03279h] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2021] [Accepted: 06/25/2021] [Indexed: 11/21/2022] Open
Abstract
Due to its good properties and low cost, melamine formaldehyde foam has been widely used in cars, furniture and construction. However, how to recycle the spent foam still remains challenging for scientists. In this work, a new method was designed to prepare N-doped carbon dot (NCD) materials by calcining sodium lignin sulfonate/melamine formaldehyde foam (LSMF) via one step. TEM, IR and XPS were used to characterize the structure and morphology of newly-synthesized NCDs. It is shown that carbon powder is obtainable by calcination. Since it derives from the collapse of the foam structure of LSMF, the carbon powder can almost completely dissolve in deionized water. The particle size ranges from 5 to 20 nm. The fluorescence properties of NCDs were studied by fluorescence spectroscopy. A strong emission has been detected at 580 nm with the quantum yield of 2.94%. When applying NCDs to detect various metal ions, there is a significant fluorescence quenching effect and good selectivity for Fe3+. The mechanism has been hypothesised. Our study provides a method for productive preparation of NCDs from spent foam. Taking advantage of the rich carbon source of waste foam, N-doped carbon dots were prepared by calcining sodium lignosulfonate/melamine formaldehyde foam in one step, which shows preferential fluorescence detection for iron ions.![]()
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Affiliation(s)
- Yong-Yan Pan
- Key Laboratory of Bio-based Material Science & Technology (Ministry of Education), Material Science and Engineering College, Northeast Forestry University Harbin 150040 China
| | - Wei-Ming Yin
- Key Laboratory of Bio-based Material Science & Technology (Ministry of Education), Material Science and Engineering College, Northeast Forestry University Harbin 150040 China
| | - Ran-Jun Meng
- Key Laboratory of Bio-based Material Science & Technology (Ministry of Education), Material Science and Engineering College, Northeast Forestry University Harbin 150040 China
| | - Yuan-Ru Guo
- Key Laboratory of Bio-based Material Science & Technology (Ministry of Education), Material Science and Engineering College, Northeast Forestry University Harbin 150040 China
| | - Ji-Guo Zhang
- Key Laboratory of Bio-based Material Science & Technology (Ministry of Education), Material Science and Engineering College, Northeast Forestry University Harbin 150040 China
| | - Qing-Jiang Pan
- Key Laboratory of Functional Inorganic Material Chemistry (Ministry of Education), School of Chemistry, Chemical Engineering and Materials, Heilongjiang University Harbin 150080 China
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22
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Ray P, Moitra P, Pan D. Emerging theranostic applications of carbon dots and its variants. VIEW 2021. [DOI: 10.1002/viw.20200089] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022] Open
Affiliation(s)
- Priyanka Ray
- Department of Chemical Biochemical, and Environmental Engineering University of Maryland Baltimore County Baltimore Maryland USA
- Department of Diagnostic Radiology and Nuclear Medicine University of Maryland Baltimore Baltimore Maryland USA
| | - Parikshit Moitra
- Department of Chemical Biochemical, and Environmental Engineering University of Maryland Baltimore County Baltimore Maryland USA
- Department of Pediatrics Center for Blood Oxygen Transport and Hemostasis University of Maryland Baltimore School of Medicine Baltimore Maryland USA
| | - Dipanjan Pan
- Department of Chemical Biochemical, and Environmental Engineering University of Maryland Baltimore County Baltimore Maryland USA
- Department of Pediatrics Center for Blood Oxygen Transport and Hemostasis University of Maryland Baltimore School of Medicine Baltimore Maryland USA
- Department of Diagnostic Radiology and Nuclear Medicine University of Maryland Baltimore Baltimore Maryland USA
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23
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Li Z, Dong J, Wang L, Zhang Y, Zhuang T, Wang H, Cui X, Wang Z. A power-triggered preparation strategy of nano-structured inorganics: sonosynthesis. NANOSCALE ADVANCES 2021; 3:2423-2447. [PMID: 36134164 PMCID: PMC9418414 DOI: 10.1039/d1na00038a] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/14/2021] [Accepted: 03/05/2021] [Indexed: 06/16/2023]
Abstract
Ultrasound irradiation covers many chemical reactions crucially aiming to design and synthesize various structured materials as an enduring trend in frontier research studies. Here, we focus on the latest progress of ultrasound-assisted synthesis and present the basic principles or mechanisms of sonosynthesis (or sonochemical synthesis) from ultrasound irradiation in a brand new way, including primary sonosynthesis, secondary sonosynthesis, and synergetic sonosynthesis. This current review describes in detail the various sonochemical synthesis strategies for nano-structured inorganic materials and the unique aspects of products including the size, morphology, structure, and properties. In addition, the review points out the probable challenges and technological potential for future advancement. We hope that such a review can provide a comprehensive understanding of sonosynthesis and emphasize the great significance of structured materials synthesis as a power-induced strategy broadening the updated applications of ultrasound.
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Affiliation(s)
- Zhanfeng Li
- Shandong Sino-Japanese Center for Collaborative Research of Carbon Nanomaterials, College of Chemistry and Chemical Engineering, Instrumental Analysis Center of Qingdao University 266071 Qingdao China
| | - Jun Dong
- Shandong Sino-Japanese Center for Collaborative Research of Carbon Nanomaterials, College of Chemistry and Chemical Engineering, Instrumental Analysis Center of Qingdao University 266071 Qingdao China
| | - Lun Wang
- Shandong Sino-Japanese Center for Collaborative Research of Carbon Nanomaterials, College of Chemistry and Chemical Engineering, Instrumental Analysis Center of Qingdao University 266071 Qingdao China
| | - Yongqiang Zhang
- College of Chemistry, Jilin University 130012 Changchun China
- Junan Sub-Bureau of Linyi Ecological Environmental Bureau 276600 Linyi China
| | - Tingting Zhuang
- Shandong Sino-Japanese Center for Collaborative Research of Carbon Nanomaterials, College of Chemistry and Chemical Engineering, Instrumental Analysis Center of Qingdao University 266071 Qingdao China
| | - Huiqi Wang
- Shandong Sino-Japanese Center for Collaborative Research of Carbon Nanomaterials, College of Chemistry and Chemical Engineering, Instrumental Analysis Center of Qingdao University 266071 Qingdao China
| | - Xuejun Cui
- College of Chemistry, Jilin University 130012 Changchun China
| | - Zonghua Wang
- Shandong Sino-Japanese Center for Collaborative Research of Carbon Nanomaterials, College of Chemistry and Chemical Engineering, Instrumental Analysis Center of Qingdao University 266071 Qingdao China
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24
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Xu Z, Liu J, Wang K, Yan B, Hu S, Ren X, Gao Z. Facile synthesis of N-doped carbon dots for direct/indirect detection of heavy metal ions and cell imaging. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2021; 28:19878-19889. [PMID: 33410047 DOI: 10.1007/s11356-020-11880-z] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/27/2020] [Accepted: 11/30/2020] [Indexed: 06/12/2023]
Abstract
In this study, an approach for the facile, rapid, energy-saving, and sensitive determination of Fe3+ and Cr(VI) was developed. L-arginine/D-glucose carbon quantum dots (Arg/Glu-CQDs), with a photoluminescence quantum yield of 21%, were synthesized from L-arginine and D-glucose through a facile, hydrothermal process. The maximum emission wavelength of Arg/Glu-CQDs was observed at 450 nm, under an excitation wavelength of 365 nm. In addition, Arg/Glu-CQDs exhibited a sensitive and selective response to Fe3+ compared to Fe2+ and other metal ions. The Arg/Glu-CQDs' fluorescence was noticeably quenched through the inner filter effect (IFE) when Arg/Glu-CQDs were mixed with Fe3+. Accordingly, the Arg/Glu-CQDs/Fe2+ system could selectively detect Cr(VI); Cr(VI) could oxidize Fe2+ to Fe3+ and quench the fluorescence. The fluorescence sensor system (i.e., the Arg/Glu-CQDs/Fe2+ system) showed high sensitivity and excellent selectivity for the detection of Fe3+ and Cr(VI) in river water samples. Satisfactory detection efficiencies ranging from 97.07 to 103.46% were obtained. The cytotoxicity of Arg/Glu-CQDs was evaluated through an MTT assay using A549 cells as the target, to extend the application of Arg/Glu-CQDs to biological systems; the MTT assay indicated that the Arg/Glu-CQDs is non-cytotoxicity. Arg/Glu-CQDs were also successfully imaged in A549 cells indicating further application possibilities in bioimaging. Graphical abstract.
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Affiliation(s)
- Zijun Xu
- College of Resources and Environment Sciences, China Agricultural University, No. 2 Yuanmingyuan West Road, Haidian, Beijing, 100193, People's Republic of China
| | - Jin Liu
- College of Resources and Environment Sciences, China Agricultural University, No. 2 Yuanmingyuan West Road, Haidian, Beijing, 100193, People's Republic of China
| | - Kejia Wang
- College of Resources and Environment Sciences, China Agricultural University, No. 2 Yuanmingyuan West Road, Haidian, Beijing, 100193, People's Republic of China
| | - Binwei Yan
- College of Resources and Environment Sciences, China Agricultural University, No. 2 Yuanmingyuan West Road, Haidian, Beijing, 100193, People's Republic of China
| | - Shuwen Hu
- College of Resources and Environment Sciences, China Agricultural University, No. 2 Yuanmingyuan West Road, Haidian, Beijing, 100193, People's Republic of China
- Beijing Key Laboratory of Farmland Soil Pollution Prevention and Remediation, Beijing, 100193, People's Republic of China
| | - Xueqin Ren
- College of Resources and Environment Sciences, China Agricultural University, No. 2 Yuanmingyuan West Road, Haidian, Beijing, 100193, People's Republic of China.
- Beijing Key Laboratory of Farmland Soil Pollution Prevention and Remediation, Beijing, 100193, People's Republic of China.
| | - Zideng Gao
- College of Resources and Environment Sciences, China Agricultural University, No. 2 Yuanmingyuan West Road, Haidian, Beijing, 100193, People's Republic of China.
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25
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One-pot bioinspired synthesis of fluorescent metal chalcogenide and carbon quantum dots: Applications and potential biotoxicity. Colloids Surf B Biointerfaces 2021; 200:111578. [DOI: 10.1016/j.colsurfb.2021.111578] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2020] [Revised: 01/09/2021] [Accepted: 01/11/2021] [Indexed: 12/18/2022]
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Discriminating detection of dissolved ferrous and ferric ions using copper nanocluster-based fluorescent probe. Anal Biochem 2021; 623:114171. [PMID: 33775668 DOI: 10.1016/j.ab.2021.114171] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2020] [Accepted: 03/12/2021] [Indexed: 01/04/2023]
Abstract
Discrimination and detection of specific metal ions that belong to the same metallic element with different valence states in a complex matrix is challenging. In the present work, a fluorescence method using polyvinylpyrrolidone stabilized copper nanocluster (CuNCs@PVP) as a probe for discriminating detection of ferrous (Fe3+) and ferric (Fe2+) ions was developed. The CuNCs@PVP exhibited an excellent selective response to Fe3+ ions in contrast to Fe2+ ions and other metal ions when the pH value of solution was less than 4.0. Furthermore, the fluorescence of the CuNCs@PVP could be more sensitively quenched by Fe2+ ions by virtue of Fenton reaction. The different response of CuNCs@PVP towards Fe3+ and Fe2+ ions under different conditions offered the potential for the discriminating detection of Fe3+ and Fe2+ ions. Based on detailed optimization of detection conditions, an excellent linear relationship between the fluorescence quenching efficiency (F/F0) of the CuNCs@PVP and the concentration of Fe3+ ions over the range of 0.4-20.0 μM and of Fe2+ ions in the range of 0.01-0.4 μM were obtained, respectively. The detection limits for the Fe3+ and Fe2+ ions were 0.14 μM and 0.008 μM, respectively. The developed probe showed good selectivity and presented an alternative strategy for discriminating detection of Fe3+ and Fe2+ ions in complex samples.
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Wang Z, Tang M. The cytotoxicity of core-shell or non-shell structure quantum dots and reflection on environmental friendly: A review. ENVIRONMENTAL RESEARCH 2021; 194:110593. [PMID: 33352186 DOI: 10.1016/j.envres.2020.110593] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/13/2020] [Revised: 10/19/2020] [Accepted: 12/02/2020] [Indexed: 05/23/2023]
Abstract
Quantum dots are widely applicated into bioindustry and research owing to its superior properties such as broad excitation spectra, narrow bandwidth emission spectra and high resistance to photo-bleaching. However, the toxicity of quantum dots should not be underestimated and aroused widespread concern. The surface properties and size of quantum dots are critical relevant properties on toxicity. Then, the core/shell structure becomes one common way to affect the activity of quantum dots such as enhance biocompatibility and stability. Except those toxicity it induced, the problem it brought into the environment such as the degradation of quantum dot similarly becomes a hot issue. This review initially took a brief scan of current research on the cytotoxicity of QDs and the mechanism behind that over the past five years. Mainly discussion concentrated on the diversity of structure on quantum dots whether played a key role on the cytotoxicty of quantum dots. It also discussed the role of different shells with metal or nonmetal cores and the influence on the environment.
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Affiliation(s)
- Zhihui Wang
- Key Laboratory of Environmental Medicine and Engineering, Ministry of Education, School of Public Health, Southeast University, Nanjing, People's Republic of China
| | - Meng Tang
- Key Laboratory of Environmental Medicine and Engineering, Ministry of Education, School of Public Health, Southeast University, Nanjing, People's Republic of China.
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28
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Sousa HBA, Martins CSM, Prior JAV. You Don't Learn That in School: An Updated Practical Guide to Carbon Quantum Dots. NANOMATERIALS (BASEL, SWITZERLAND) 2021; 11:611. [PMID: 33804394 PMCID: PMC7998311 DOI: 10.3390/nano11030611] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/25/2021] [Revised: 02/15/2021] [Accepted: 02/22/2021] [Indexed: 12/25/2022]
Abstract
Carbon quantum dots (CQDs) have started to emerge as candidates for application in cell imaging, biosensing, and targeted drug delivery, amongst other research fields, due to their unique properties. Those applications are possible as the CQDs exhibit tunable fluorescence, biocompatibility, and a versatile surface. This review aims to summarize the recent development in the field of CQDs research, namely the latest synthesis progress concerning materials/methods, surface modifications, characterization methods, and purification techniques. Furthermore, this work will systematically explore the several applications CQDs have been subjected to, such as bioimaging, fluorescence sensing, and cancer/gene therapy. Finally, we will briefly discuss in the concluding section the present and future challenges, as well as future perspectives and views regarding the emerging paradigm that is the CQDs research field.
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Affiliation(s)
| | | | - João A. V. Prior
- LAQV, REQUIMTE, Laboratory of Applied Chemistry, Department of Chemical Sciences, Faculty of Pharmacy, University of Porto, Rua de Jorge Viterbo Ferreira n. 228, 4050-313 Porto, Portugal; (H.B.A.S.); (C.S.M.M.)
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Das S, Ngashangva L, Goswami P. Carbon Dots: An Emerging Smart Material for Analytical Applications. MICROMACHINES 2021; 12:84. [PMID: 33467583 PMCID: PMC7829846 DOI: 10.3390/mi12010084] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/23/2020] [Revised: 01/09/2021] [Accepted: 01/12/2021] [Indexed: 12/16/2022]
Abstract
Carbon dots (CDs) are optically active carbon-based nanomaterials. These nanomaterials can change their light emission properties in response to various external stimuli such as pH, temperature, pressure, and light. The CD's remarkable stimuli-responsive smart material properties have recently stimulated massive research interest for their exploitation to develop various sensor platforms. Herein, an effort has been made to review the major advances made on CDs, focusing mainly on its smart material attributes and linked applications. Since the CD's material properties are largely linked to their synthesis approaches, various synthesis methods, including surface passivation and functionalization of CDs and the mechanisms reported so far in their photophysical properties, are also delineated in this review. Finally, the challenges of using CDs and the scope for their further improvement as an optical signal transducer to expand their application horizon for developing analytical platforms have been discussed.
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Affiliation(s)
| | | | - Pranab Goswami
- Department of Biosciences and Bioengineering, Indian Institute of Technology Guwahati, Guwahati 781039, Assam, India; (S.D.); (L.N.)
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30
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Li Z, Dong J, Zhang H, Zhang Y, Wang H, Cui X, Wang Z. Sonochemical catalysis as a unique strategy for the fabrication of nano-/micro-structured inorganics. NANOSCALE ADVANCES 2021; 3:41-72. [PMID: 36131881 PMCID: PMC9418832 DOI: 10.1039/d0na00753f] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/08/2020] [Accepted: 10/22/2020] [Indexed: 05/14/2023]
Abstract
Ultrasound-assisted approaches, as an important trend in material synthesis, have emerged for designing and creating nano-/micro-structures. This review simply presents the basic principles of ultrasound irradiation including acoustic cavitation, sonochemical effects, physical and/or mechanical effects, and on the basis of the latest progress, it newly summarizes sonochemical catalysis for the fabrication of nano-structured or micro-structured inorganic materials such as metals, alloys, metal compounds, non-metal materials, and inorganic composites, where the theories or mechanisms of catalytic synthetic routes, and the morphologies, structures, sizes, properties and applications of products are described in detail. In the review, a few technological potentials and probable challenges of sonochemical catalysis are also highlighted for the future advance of synthesis methods. Therefore, sonochemical catalysis or ultrasound-assisted synthesis will serve as a unique strategy to reveal its great significance in material fabrication.
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Affiliation(s)
- Zhanfeng Li
- Shandong Sino-Japanese Center for Collaborative Research of Carbon Nanomaterials, Instrumental Analysis Center, College of Chemistry and Chemical Engineering, Qingdao University 266071 Qingdao China
| | - Jun Dong
- Shandong Sino-Japanese Center for Collaborative Research of Carbon Nanomaterials, Instrumental Analysis Center, College of Chemistry and Chemical Engineering, Qingdao University 266071 Qingdao China
| | - Huixin Zhang
- Shandong Sino-Japanese Center for Collaborative Research of Carbon Nanomaterials, Instrumental Analysis Center, College of Chemistry and Chemical Engineering, Qingdao University 266071 Qingdao China
| | - Yongqiang Zhang
- Junan Sub-Bureau of Linyi Ecological Environmental Bureau 276600 Linyi China
| | - Huiqi Wang
- Shandong Sino-Japanese Center for Collaborative Research of Carbon Nanomaterials, Instrumental Analysis Center, College of Chemistry and Chemical Engineering, Qingdao University 266071 Qingdao China
| | - Xuejun Cui
- College of Chemistry, Jilin University 130012 Changchun China
| | - Zonghua Wang
- Shandong Sino-Japanese Center for Collaborative Research of Carbon Nanomaterials, Instrumental Analysis Center, College of Chemistry and Chemical Engineering, Qingdao University 266071 Qingdao China
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31
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Caglayan MO, Mindivan F, Şahin S. Sensor and Bioimaging Studies Based on Carbon Quantum Dots: The Green Chemistry Approach. Crit Rev Anal Chem 2020; 52:814-847. [PMID: 33054365 DOI: 10.1080/10408347.2020.1828029] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
Abstract
Since carbon quantum dots have high photoluminescent efficiency, it has been a desired material in sensor and bioimaging applications. In recent years, the green chemistry approach has been preferred and the production of quantum dots has been reported in many studies using different precursors from natural, abundant, or waste sources. Hydrothermal, chemical oxidation, microwave supported, ultrasonic, solvothermal, pyrolysis, laser etching, solid-state, plasma, and electrochemical methods have been reported in the literature. In this review article, green chemistry strategies for carbon quantum dot synthesis is summarized and compared with conventional methods using methodologic and statistical data. Furthermore, a detailed discussion on sensor and bioimaging applications of carbon quantum dots produced with green synthesis approaches are presented with a special focus on the last decade.
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Affiliation(s)
- Mustafa Oguzhan Caglayan
- Faculty of Engineering, Department of Bioengineering, Bilecik Şeyh Edebali University, Bilecik, Turkey
| | - Ferda Mindivan
- Faculty of Engineering, Department of Bioengineering, Bilecik Şeyh Edebali University, Bilecik, Turkey
| | - Samet Şahin
- Faculty of Engineering, Department of Bioengineering, Bilecik Şeyh Edebali University, Bilecik, Turkey
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32
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Pan M, Xie X, Liu K, Yang J, Hong L, Wang S. Fluorescent Carbon Quantum Dots-Synthesis,Functionalization and Sensing Application in FoodAnalysis. NANOMATERIALS (BASEL, SWITZERLAND) 2020; 10:E930. [PMID: 32403325 PMCID: PMC7279393 DOI: 10.3390/nano10050930] [Citation(s) in RCA: 52] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/16/2020] [Revised: 04/29/2020] [Accepted: 05/05/2020] [Indexed: 01/10/2023]
Abstract
Carbon quantum dots (CQDs) with stable physicochemical properties are one of theemerging carbon nanomaterials that have been studied in recent years. In addition to the excellentoptical properties such as photoluminescence, photobleaching resistance and light stability, thismaterial also has favorable advantages of good biocompatibility and easy functionalization, whichmake it an ideal raw material for constructing sensing equipment. In addition, CQDs can combinedwith other kinds of materials to form the nanostructured composites with unique properties, whichprovides new insights and ideas for the research of many fields. In the field of food analysis,emerging CQDs have been deeply studied in food composition analysis, detection and monitoringtrace harmful substances and made remarkable research progress. This article introduces andcompares the various methods for CQDs preparation and reviews its related sensing applicationsas a new material in food components analysis and food safety inspection in recent years. It isexpected to provide a significant guidance for the further study of CQDs in the field of foodanalysis and detection. CQDs; synthesis; fluorescent sensing; food analysis.
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Affiliation(s)
- Mingfei Pan
- State Key Laboratory of Food Nutrition and Safety, Tianjin University of Science and Technology, Tianjin 300457, China; (M.P.); (X.X.); (K.L.); (J.Y.); (L.H.)
- Key Laboratory of Food Nutrition and Safety, Ministry of Education of China, Tianjin University of Science and Technology, Tianjin 300457, China
| | - Xiaoqian Xie
- State Key Laboratory of Food Nutrition and Safety, Tianjin University of Science and Technology, Tianjin 300457, China; (M.P.); (X.X.); (K.L.); (J.Y.); (L.H.)
- Key Laboratory of Food Nutrition and Safety, Ministry of Education of China, Tianjin University of Science and Technology, Tianjin 300457, China
| | - Kaixin Liu
- State Key Laboratory of Food Nutrition and Safety, Tianjin University of Science and Technology, Tianjin 300457, China; (M.P.); (X.X.); (K.L.); (J.Y.); (L.H.)
- Key Laboratory of Food Nutrition and Safety, Ministry of Education of China, Tianjin University of Science and Technology, Tianjin 300457, China
| | - Jingying Yang
- State Key Laboratory of Food Nutrition and Safety, Tianjin University of Science and Technology, Tianjin 300457, China; (M.P.); (X.X.); (K.L.); (J.Y.); (L.H.)
- Key Laboratory of Food Nutrition and Safety, Ministry of Education of China, Tianjin University of Science and Technology, Tianjin 300457, China
| | - Liping Hong
- State Key Laboratory of Food Nutrition and Safety, Tianjin University of Science and Technology, Tianjin 300457, China; (M.P.); (X.X.); (K.L.); (J.Y.); (L.H.)
- Key Laboratory of Food Nutrition and Safety, Ministry of Education of China, Tianjin University of Science and Technology, Tianjin 300457, China
| | - Shuo Wang
- State Key Laboratory of Food Nutrition and Safety, Tianjin University of Science and Technology, Tianjin 300457, China; (M.P.); (X.X.); (K.L.); (J.Y.); (L.H.)
- Key Laboratory of Food Nutrition and Safety, Ministry of Education of China, Tianjin University of Science and Technology, Tianjin 300457, China
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Mandani S, Rezaei B, Ensafi AA. Sensitive imprinted optical sensor based on mesoporous structure and green nanoparticles for the detection of methamphetamine in plasma and urine. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2020; 231:118077. [PMID: 32007904 DOI: 10.1016/j.saa.2020.118077] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/06/2019] [Revised: 01/15/2020] [Accepted: 01/15/2020] [Indexed: 06/10/2023]
Abstract
Methamphetamine (MA), a psychoactive substance with many medicinal applications in different countries, has destructive impacts on the nervous system and brain and can lead to addiction. The optimal system for MA determination must be able to measure the tiny amount of MA in complex matrixes accurately. In the current work, a simple and biocompatible sensitive optical probe was developed based on molecularly imprinted polymers (MIPs) technique and by using green CQDs and mesoporous structured imprinting microspheres (SiO2@CQDs@ms-MIPs). CQDs (ФF = 33%) were synthesized via the hydrothermal method using natural chewing gum as carbon source. SiO2 nanoparticles were used as the backup substrate for the placement of CQDs. In spite of biocompatibility, porosity and having high specific area are the unique features of SiO2 nanoparticles. When MA is present, the fluorescence response of MIPs enhances. This is caused by the passivation and adjustment of active clusters that are present on the surface of CQDs. By this optical sensor, the favorable linear dynamic range (5.0-250 μM) and the detection limit (1.6 μM) were obtained. The applicability of the advanced sensor was studied in real samples such as human urine and human blood plasma. Acceptable results were obtained and recovery amounts were in the 92-110% interval.
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Affiliation(s)
- Sudabe Mandani
- Department of Chemistry, Isfahan University of Technology, Isfahan 84156-83111, Iran
| | - Behzad Rezaei
- Department of Chemistry, Isfahan University of Technology, Isfahan 84156-83111, Iran.
| | - Ali Asghar Ensafi
- Department of Chemistry, Isfahan University of Technology, Isfahan 84156-83111, Iran
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34
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Kolesnikov IE, Mamonova DV, Kalinichev AA, Kurochkin MA, Medvedev VA, Kolesnikov EY, Lähderanta E, Manshina AA. Construction of efficient dual activating ratiometric YVO 4:Nd 3+/Eu 3+ nanothermometers using co-doped and mixed phosphors. NANOSCALE 2020; 12:5953-5960. [PMID: 32108842 DOI: 10.1039/c9nr08358h] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
The development of new contactless thermal nanosensors based on a ratiometric approach is of significant interest. To overcome the intrinsic limitations of thermally coupled levels, a dual activation strategy was applied. Dual activation was performed using co-doped single nanoparticles and a binary mixture of single-doped nanoparticles. Co-doped and mixed YVO4:Nd3+/Eu3+ nanoparticles were successfully demonstrated as luminescent nanothermometers and their thermometric performance, in terms of thermal sensitivity, temperature resolution and repeatability, was studied and compared.
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Affiliation(s)
- Ilya E Kolesnikov
- St. Petersburg State University, Universitetskaya nab. 7-9, 199034, St. Petersburg, Russia.
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35
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Click multiwalled carbon nanotubes: A novel method for preparation of carboxyl groups functionalized carbon quantum dots. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2020; 108:110376. [DOI: 10.1016/j.msec.2019.110376] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/16/2019] [Revised: 10/29/2019] [Accepted: 10/29/2019] [Indexed: 01/28/2023]
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36
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Kainth S, Maity B, Basu S. Deciphering the interaction of solvents with dual emissive carbon dots: A photoluminescence study and its response for different metal ions. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2020; 108:110443. [PMID: 31924011 DOI: 10.1016/j.msec.2019.110443] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/10/2019] [Revised: 11/08/2019] [Accepted: 11/15/2019] [Indexed: 10/25/2022]
Abstract
Carbon-based fluorescent quantum dots exhibited tunable photoluminescence (PL) property which is mainly dependent on its excitation wavelength which is an important factor required for optoelectronic and sensing applications. Here, we have established a microwave-based synthesis of dual emissive carbon quantum dots (CDs) using mixed-acid (H3PO4 + H2SO4) and mono/disaccharides as carbon precursor. In aqueous medium, CDs showed dual emission peaks at 434 nm and 518 nm, which exhibited excitation independent fluorescence property with particle size in the range of 4-7 nm. Furthermore, its photophysical properties were explored in different solvents. The astonishing bathochromic shift was observed in its emission wavelengths with the decrease in polarity of the solvents. Moreover, the metal sensing efficacy of CDs was explored in these solvent systems. It exhibited utmost selectivity for Fe(III) ions in both the organic and aqueous medium with maximum and minimum detecting limit of 1 μM and 0.4 μM respectively. These experimental results were also validated through real samples (Ferric citrate tablets 200 mg) and it showed excellent metal ion sensing accuracy for CDs in different media. The fundamental motive of this work was to explain the role of the mixed acid for the development of dual emissive CDs using a single precursor. The solvatochromic and sensing properties of CDs were explored in various solvents, which could be useful for sensing applications.
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Affiliation(s)
- Shagun Kainth
- School of Chemistry and Biochemistry, Thapar Institute of Engineering & Technology, Patiala 147004, India
| | - Banibrata Maity
- School of Chemistry and Biochemistry, Thapar Institute of Engineering & Technology, Patiala 147004, India.
| | - Soumen Basu
- School of Chemistry and Biochemistry, Thapar Institute of Engineering & Technology, Patiala 147004, India.
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37
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Liu X, Bao C, Shao X, Zhang Y, Zhang N, Sun X, Fan D, Wei Q, Ju H. A procalcitonin photoelectrochemical immunosensor: NCQDs and Sb 2S 3 co-sensitized hydrangea-shaped WO 3 as a matrix through a layer-by-layer assembly. NEW J CHEM 2020. [DOI: 10.1039/c9nj06118e] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Abstract
Electron-transfer mechanism of a PEC immunosensor based on WO3/NCQDs/Sb2S3 composites in PBS electrolytes containing AA.
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Affiliation(s)
- Xin Liu
- Collaborative Innovation Center for Green Chemical Manufacturing and Accurate Detection
- School of Chemistry and Chemical Engineering
- University of Jinan
- Jinan 250022
- P. R. China
| | - Chunzhu Bao
- Collaborative Innovation Center for Green Chemical Manufacturing and Accurate Detection
- School of Chemistry and Chemical Engineering
- University of Jinan
- Jinan 250022
- P. R. China
| | - Xinrong Shao
- Collaborative Innovation Center for Green Chemical Manufacturing and Accurate Detection
- School of Chemistry and Chemical Engineering
- University of Jinan
- Jinan 250022
- P. R. China
| | - Yong Zhang
- Collaborative Innovation Center for Green Chemical Manufacturing and Accurate Detection
- School of Chemistry and Chemical Engineering
- University of Jinan
- Jinan 250022
- P. R. China
| | - Nuo Zhang
- Collaborative Innovation Center for Green Chemical Manufacturing and Accurate Detection
- School of Chemistry and Chemical Engineering
- University of Jinan
- Jinan 250022
- P. R. China
| | - Xu Sun
- Collaborative Innovation Center for Green Chemical Manufacturing and Accurate Detection
- School of Chemistry and Chemical Engineering
- University of Jinan
- Jinan 250022
- P. R. China
| | - Dawei Fan
- Collaborative Innovation Center for Green Chemical Manufacturing and Accurate Detection
- School of Chemistry and Chemical Engineering
- University of Jinan
- Jinan 250022
- P. R. China
| | - Qin Wei
- Collaborative Innovation Center for Green Chemical Manufacturing and Accurate Detection
- School of Chemistry and Chemical Engineering
- University of Jinan
- Jinan 250022
- P. R. China
| | - Huangxian Ju
- Collaborative Innovation Center for Green Chemical Manufacturing and Accurate Detection
- School of Chemistry and Chemical Engineering
- University of Jinan
- Jinan 250022
- P. R. China
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38
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Wei S, Tan L, Yin X, Wang R, Shan X, Chen Q, Li T, Zhang X, Jiang C, Sun G. A sensitive “ON–OFF” fluorescent probe based on carbon dots for Fe2+ detection and cell imaging. Analyst 2020; 145:2357-2366. [DOI: 10.1039/c9an02309g] [Citation(s) in RCA: 29] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
A sensitive fluorescent probe based on carbon dots has been synthesized by a one-pot hydrothermal method for the rapid detection of intracellular Fe2+.
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Affiliation(s)
- Shanshan Wei
- School of Chemistry and Life Science
- Changchun University of Technology
- Changchun 130012
- P. R. China
- Advanced Institute of Materials Science
| | - Lihong Tan
- School of Life Sciences
- Changchun University of Science and Technology
- Changchun 130022
- P. R. China
| | - Xiangyu Yin
- School of Chemistry and Life Science
- Changchun University of Technology
- Changchun 130012
- P. R. China
| | - Ruoming Wang
- School of Chemistry and Life Science
- Changchun University of Technology
- Changchun 130012
- P. R. China
| | - Xueru Shan
- School of Chemistry and Life Science
- Changchun University of Technology
- Changchun 130012
- P. R. China
| | - Qian Chen
- School of Chemistry and Life Science
- Changchun University of Technology
- Changchun 130012
- P. R. China
| | - Tinghua Li
- School of Chemistry and Life Science
- Changchun University of Technology
- Changchun 130012
- P. R. China
- Advanced Institute of Materials Science
| | - Xinyu Zhang
- School of Chemistry and Life Science
- Changchun University of Technology
- Changchun 130012
- P. R. China
- Advanced Institute of Materials Science
| | - Chunzhu Jiang
- School of Chemistry and Life Science
- Changchun University of Technology
- Changchun 130012
- P. R. China
| | - Guoying Sun
- School of Chemistry and Life Science
- Changchun University of Technology
- Changchun 130012
- P. R. China
- Advanced Institute of Materials Science
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39
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Qing W, Chen K, Yang Y, Wang Y, Liu X. Cu2+-doped carbon dots as fluorescence probe for specific recognition of Cr(VI) and its antimicrobial activity. Microchem J 2020. [DOI: 10.1016/j.microc.2019.104262] [Citation(s) in RCA: 24] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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Mehta A, Mishra A, Basu S, Shetti NP, Reddy KR, Saleh TA, Aminabhavi TM. Band gap tuning and surface modification of carbon dots for sustainable environmental remediation and photocatalytic hydrogen production - A review. JOURNAL OF ENVIRONMENTAL MANAGEMENT 2019; 250:109486. [PMID: 31518793 DOI: 10.1016/j.jenvman.2019.109486] [Citation(s) in RCA: 79] [Impact Index Per Article: 15.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/14/2019] [Revised: 08/27/2019] [Accepted: 08/27/2019] [Indexed: 05/06/2023]
Abstract
Energy and water are the two major issues facing the modern mankind. Providing freshwater requires energy and producing energy uses water. In the present-day scenario, both these routes face growing problems and limitations. Energy crisis has risen due to the depletion of fossil fuels that cause pollution to water bodies making the water unusable for human consumption. In this regard, semiconductor nanocrystals with luminescent properties or carbon quantum dots (CQDs) are the newly developed nanomaterials whose distinctive photo-physical characteristics are focusing to a new generation of robust materials and sensors for sustainable development. In this review, advances in surface and band gap modification of CQDs to improve the activity of nanomaterials will be discussed with special reference to some specific CQDs exhibiting special optical properties for water treatment/splitting applications. Recent advances on CQDs nanocomposites including their applications in photodegradation of organic pollutants, sensing of heavy metal ions in water and water splitting are discussed critically to narrate the future prospects in this field. Challenges and limitations for further improvement are covered to provide smart choices for creating sustainability of benign environment and economic benefits.
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Affiliation(s)
- Akansha Mehta
- School of Chemistry and Biochemistry, Thapar Institute of Engineering and Technology, Patiala, 147004, India
| | - Amit Mishra
- School of Chemistry and Biochemistry, Thapar Institute of Engineering and Technology, Patiala, 147004, India
| | - Soumen Basu
- School of Chemistry and Biochemistry, Thapar Institute of Engineering and Technology, Patiala, 147004, India.
| | - Nagaraj P Shetti
- Electrochemistry and Materials Group, Department of Chemistry, K.L.E. Institute of Technology, Hubballi, 580 030, Visvesvaraya Technological University, Karnataka, India
| | - Kakarla Raghava Reddy
- School of Chemical and Biomolecular Engineering, The University of Sydney, Sydney, NSW, 2006, Australia.
| | - Tawfik A Saleh
- Chemistry Department, King Fahd University of Petroleum & Minerals, B.O. Box: 346, Dhahran, 31261, Saudi Arabia
| | - Tejraj M Aminabhavi
- Pharmaceutical Engineering, Sonia College of Pharmacy, Dharwad, 580 002, Karnataka, India.
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41
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Zhang J, Nan D, Pan S, Liu H, Yang H, Hu X. N,S co-doped carbon dots as a dual-functional fluorescent sensor for sensitive detection of baicalein and temperature. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2019; 221:117161. [PMID: 31158757 DOI: 10.1016/j.saa.2019.117161] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/04/2019] [Revised: 05/23/2019] [Accepted: 05/25/2019] [Indexed: 06/09/2023]
Abstract
In this work, nitrogen and sulfur dual-doped CDs (N,S-CDs) were prepared via a facile one-pot hydrothermal method from citric acid and N-acetyl-L-cysteine with a high quantum yield (QY) of 49%. As-fabricated N,S-CDs had a size around 2.5 nm and exhibited excitation-independent emission and excellent luminescent properties. The fluorescent sensor based on the N,S-CDs showed a highly sensitive detection of baicalein with a detection limit (LOD) of 0.21 μmol L-1 in the linear range from 0.69 to 70.0 μmol L-1. The fluorescence of the N,S-CDs could be effectively quenched by baicalein based on static quenching. In addition, the temperature sensor based on the synthesized N,S-CDs showed a good linear relationship between temperature and fluorescence (FL) intensity with a temperature range from 5 °C to 75 °C. Furthermore, the synthesized N,S-CDs were successfully applied to the measurement of baicalein in real samples. In a word, the N,S-CDs had great potential to be worked as fluorescence sensors to monitor the concentration of baicalein and temperature.
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Affiliation(s)
- Jun Zhang
- Key Laboratory of Luminescent and Real-Time Analytical Chemistry (Southwest University), Ministry of Education, College of Chemistry and Chemical Engineering, Southwest University, Chongqing 400715, China
| | - Danyang Nan
- Key Laboratory of Luminescent and Real-Time Analytical Chemistry (Southwest University), Ministry of Education, College of Chemistry and Chemical Engineering, Southwest University, Chongqing 400715, China
| | - Shuang Pan
- Key Laboratory of Luminescent and Real-Time Analytical Chemistry (Southwest University), Ministry of Education, College of Chemistry and Chemical Engineering, Southwest University, Chongqing 400715, China
| | - Hui Liu
- College of Pharmaceutical Sciences, Southwest University, Chongqing 400715, China
| | - Huan Yang
- Key Laboratory of Luminescent and Real-Time Analytical Chemistry (Southwest University), Ministry of Education, College of Chemistry and Chemical Engineering, Southwest University, Chongqing 400715, China
| | - Xiaoli Hu
- Key Laboratory of Luminescent and Real-Time Analytical Chemistry (Southwest University), Ministry of Education, College of Chemistry and Chemical Engineering, Southwest University, Chongqing 400715, China.
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Abstract
Carbon and graphene quantum dots (CQDs and GQDs), known as zero-dimensional (0D) nanomaterials, have been attracting increasing attention in sensing and bioimaging. Their unique electronic, fluorescent, photoluminescent, chemiluminescent, and electrochemiluminescent properties are what gives them potential in sensing. In this Review, we summarize the basic knowledge on CQDs and GQDs before focusing on their application to sensing thus far followed by a discussion of future directions for research into CQDs- and GQD-based nanomaterials in sensing. With regard to the latter, the authors suggest that with the potential of these nanomaterials in sensing more research is needed on understanding their optical properties and why the synthetic methods influence their properties so much, into methods of surface functionalization that provide greater selectivity in sensing and into new sensing concepts that utilize the virtues of these nanomaterials to give us new or better sensors that could not be achieved in other ways.
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Affiliation(s)
- Meixiu Li
- College of Materials Science and Engineering, Institute for Graphene Applied Technology Innovation, State Key Laboratory of Bio-Fibers and Eco-Textiles, Collaborative Innovation Center for Marine Biomass Fibers Materials and Textiles of Shandong Province, Qingdao University, Qingdao 266071, China
| | - Tao Chen
- College of Materials Science and Engineering, Institute for Graphene Applied Technology Innovation, State Key Laboratory of Bio-Fibers and Eco-Textiles, Collaborative Innovation Center for Marine Biomass Fibers Materials and Textiles of Shandong Province, Qingdao University, Qingdao 266071, China
| | - J. Justin Gooding
- School of Chemistry, Australian Centre for NanoMedicine and ARC Centre of Excellence in Convergent Bio-Nano Science and Technology, The University of New South Wales, Sydney, New South Wales 2052, Australia
| | - Jingquan Liu
- College of Materials Science and Engineering, Institute for Graphene Applied Technology Innovation, State Key Laboratory of Bio-Fibers and Eco-Textiles, Collaborative Innovation Center for Marine Biomass Fibers Materials and Textiles of Shandong Province, Qingdao University, Qingdao 266071, China
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