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Wang ZX, Liu KQ, Jiang ZT, Meng XY, Li F, Wu KC, Li HY, Wang W. A MELET- and IFE-based UV-visible luminescent ratiometric probe for quantization of mercury(II) and nitrofurantoin in environmental sewage. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2024; 322:124805. [PMID: 39003827 DOI: 10.1016/j.saa.2024.124805] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/09/2024] [Revised: 06/17/2024] [Accepted: 07/09/2024] [Indexed: 07/16/2024]
Abstract
A novel fluorimetric ratiometric probe of green and eco-friendily nitrogen-enriched, oxygen-doped carbon nanodots (Cnanodots) was prepared for the quantitative analysis of mercury(II) (HgII) and nitrofurantoin (Nit) in the environmental sewage. The Cnanodots exhibits dual-emission peaks respectively at 345 and 445 nm under 285 nm excitation, with excitation-independent properties. Unexpectedly, this Cnanodots displays two obvious ratiometric responses to HgII and Nit through decreasing the signal at 345 nm and remaining invariable at 445 nm. Experimental results confirm that the highly sensitive analysis of HgII and Nit are achieved respectively based on matching energy-level electron transfer and inner filter effect mechanisms. The fluorescence (FL) ratiometric intensity of [FL345nm/FL445nm] expresses a good linear relationship with the concentration of HgII in the scope of 0.01-20 μM, while the logarithm of [Log(FL0345nm-FL345nm)] on the quenching degree of the probe by Nit also shows a good linear correlation within the range of 0.01-100 μM. The detection limits were calculated to be 4.14 nM for HgII, and 7.84 nM for Nit. Moreover, recovery experiments of Cnanodots for HgII and Nit sensing in real sewage samples obtained satisfactory results, comfirming the feasibility of practical application.
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Affiliation(s)
- Zhong-Xia Wang
- School of Chemistry and Chemical Engineering, Yancheng Institute of Technology, Yancheng, Jiangsu 224051, China; State Key Laboratory of Analytical Chemistry for Life Science, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing, Jiangsu 210023, China.
| | - Kai-Qi Liu
- School of Chemistry and Chemical Engineering, Yancheng Institute of Technology, Yancheng, Jiangsu 224051, China
| | - Zhen-Tao Jiang
- School of Chemistry and Chemical Engineering, Yancheng Institute of Technology, Yancheng, Jiangsu 224051, China
| | - Xiang-Ying Meng
- School of Medical Laboratory, Shandong Second Medical University, Weifang, Shandong 261053, China
| | - Feng Li
- School of Chemistry and Chemical Engineering, Yancheng Institute of Technology, Yancheng, Jiangsu 224051, China
| | - Ke-Chen Wu
- Fujian Key Laboratory of Advanced Marine Materials, Minjiang University, Fuzhou, Fujian 350108, China
| | - Heng-Ye Li
- School of Chemistry and Chemical Engineering, Yancheng Institute of Technology, Yancheng, Jiangsu 224051, China
| | - Wei Wang
- School of Chemistry and Chemical Engineering, Yancheng Institute of Technology, Yancheng, Jiangsu 224051, China.
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2
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Chen Y, Wang Z, Liang M, Liu Y, Dong W, Hu Q, Dong C, Gong X. High-efficient nickel-doped lignin carbon dots as a fluorescent and smartphone-assisted sensing platform for sequential detection of Cr(VI) and ascorbic acid. Int J Biol Macromol 2024:133790. [PMID: 38992545 DOI: 10.1016/j.ijbiomac.2024.133790] [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: 02/19/2024] [Revised: 05/13/2024] [Accepted: 07/08/2024] [Indexed: 07/13/2024]
Abstract
Using lignin as a raw material to prepare fluorescent nanomaterials represents a significant pathway toward the high-value utilization of waste biomass. In this study, Ni-doped lignin carbon dots (Ni-LCDs) were rapidly synthesized with a yield of 63.22 % and a quantum yield of 8.25 % using a green and simple hydrothermal method. Exploiting the inner filter effect (IFE), Cr(VI) effectively quenched the fluorescence of the Ni-LCDs, while the potent reducing agent ascorbic acid (AA) restored the quenched fluorescence, thus establishing a highly sensitive fluorescence switch sensor platform for the sequential detection of Cr(VI) and AA. Importantly, the integration of a smartphone facilitated the portability of Cr(VI) and AA detection, enabling on-site, in-situ, and real-time monitoring. Ultimately, the developed fluorescence and smartphone-assisted sensing platform was successfully applied to detect Cr(VI) in actual water samples and AA in various fruits. This study not only presents an efficient method for the conversion and utilization of waste lignin but also broadens the application scope of the CDs in the field of smart sensors.
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Affiliation(s)
- Yihong Chen
- Institute of Environmental Science, Shanxi University, Taiyuan 030006, China
| | - Zihan Wang
- Institute of Environmental Science, Shanxi University, Taiyuan 030006, China
| | - Meiqi Liang
- Institute of Environmental Science, Shanxi University, Taiyuan 030006, China
| | - Yang Liu
- Institute of Environmental Science, Shanxi University, Taiyuan 030006, China
| | - Wenjuan Dong
- Institute of Environmental Science, Shanxi University, Taiyuan 030006, China
| | - Qin Hu
- College of Food Chemistry and Engineering, Yangzhou University, Yangzhou 225001, China
| | - Chuan Dong
- Institute of Environmental Science, Shanxi University, Taiyuan 030006, China
| | - Xiaojuan Gong
- Institute of Environmental Science, Shanxi University, Taiyuan 030006, China.
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3
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Wang R, Zhang S, Zhang J, Wang J, Bian H, Jin L, Zhang Y. State-of-the-art of lignin-derived carbon nanodots: Preparation, properties, and applications. Int J Biol Macromol 2024; 273:132897. [PMID: 38848826 DOI: 10.1016/j.ijbiomac.2024.132897] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2024] [Revised: 05/09/2024] [Accepted: 06/02/2024] [Indexed: 06/09/2024]
Abstract
Lignin-derived carbon nanodots (LCNs) are nanometer-scale carbon spheres fabricated from naturally abundant lignin. Owing to rich and highly heritable graphene like π-π conjugated structure of lignin, to fabricate LCNs from it not only endows LCNs with on-demand tunable size and optical features, but also further broadens the green and chemical engineering of carbon nanodots. Recently, they have become increasingly popular in sensing, bioimaging, catalysis, anti-counterfeiting, energy storage/conversion, and others. Despite the enormous research efforts put into the ongoing development of lignin value-added utilization, few commercial LCNs are available. To have a deeper understanding of this issue, critical impacts on the preparation, properties, and applications of state-of-the-art LCNs are carefully reviewed and discussed. A concise analysis of their unique advantages, limitations for specific applications, and current challenges and outlook is conducted. We hope that this review will stimulate further advances in the functional material-oriented production of lignin.
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Affiliation(s)
- Ruibin Wang
- School of Chemistry and Chem. Eng., University of South China, Hengyang 421001, China; International Innovation Center for Forest Chemicals and Materials and Jiangsu Co-Innovation Center for Efficient Processing and Utilization of Forest Resources, Nanjing Forestry University, Nanjing 210037, China
| | - Shilong Zhang
- School of Chemistry and Chem. Eng., University of South China, Hengyang 421001, China
| | - Jing Zhang
- School of Chemistry and Chem. Eng., University of South China, Hengyang 421001, China
| | - Jiahai Wang
- School of Chemistry and Chem. Eng., University of South China, Hengyang 421001, China
| | - Huiyang Bian
- International Innovation Center for Forest Chemicals and Materials and Jiangsu Co-Innovation Center for Efficient Processing and Utilization of Forest Resources, Nanjing Forestry University, Nanjing 210037, China
| | - Linghua Jin
- School of Chemistry and Chem. Eng., University of South China, Hengyang 421001, China
| | - Ye Zhang
- School of Chemistry and Chem. Eng., University of South China, Hengyang 421001, China.
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4
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Simões R, Rodrigues J, Neto V, Monteiro T, Gonçalves G. Carbon Dots: A Bright Future as Anticounterfeiting Encoding Agents. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2024; 20:e2311526. [PMID: 38396215 DOI: 10.1002/smll.202311526] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/11/2023] [Revised: 01/23/2024] [Indexed: 02/25/2024]
Abstract
Counterfeit products and data vulnerability present significant challenges in contemporary society. Hence, various methods and technologies are explored for anticounterfeiting encoding, with luminescent tracers, particularly luminescent carbon dots (CDs), emerging as a notable solution. CDs offer promising contributions to product security, environmental sustainability, and the circular economy. This critical review aims to highlight the luminescence responsiveness of CDs to physical and chemical stimuli, achieved through nanoengineering their chemical structure. The discussion will delve into the various tunable luminescence mechanisms and decay times of CDs, investigating preferential excitations such as up-conversion, delayed fluorescence, fluorescence, room temperature phosphorescence, persistent luminescence, energy and charge transfer, as well as photo-chemical interactions. These insights are crucial for advancing anticounterfeiting solutions. Following this exploration, a systematic review will focus on the research of luminescent CDs' smart encoding applications, encompassing anticounterfeiting, product tracing, quality certification, and information encryption. Finally, the review will address key challenges in implementing CDs-based technology, providing specific insights into strategies aimed at maximizing their stability and efficacy in anticounterfeiting encoding applications.
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Affiliation(s)
- Raul Simões
- TEMA, Department of Mechanical Engineering, University of Aveiro, Aveiro, 3810-193, Portugal
- Intelligent Systems Associate Laboratory (LASI), Guimarães, Portugal., LASI, Guimarães, 4800-058, Portugal
- i3N, Department of Physics, University of Aveiro, Aveiro, 3810-193, Portugal
| | - Joana Rodrigues
- i3N, Department of Physics, University of Aveiro, Aveiro, 3810-193, Portugal
| | - Victor Neto
- TEMA, Department of Mechanical Engineering, University of Aveiro, Aveiro, 3810-193, Portugal
- Intelligent Systems Associate Laboratory (LASI), Guimarães, Portugal., LASI, Guimarães, 4800-058, Portugal
| | - Teresa Monteiro
- i3N, Department of Physics, University of Aveiro, Aveiro, 3810-193, Portugal
| | - Gil Gonçalves
- TEMA, Department of Mechanical Engineering, University of Aveiro, Aveiro, 3810-193, Portugal
- i3N, Department of Physics, University of Aveiro, Aveiro, 3810-193, Portugal
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Yang L, An Y, Xu D, Dai F, Shao S, Lu Z, Liu G. Comprehensive Overview of Controlled Fabrication of Multifunctional Fluorescent Carbon Quantum Dots and Exploring Applications. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2024; 20:e2309293. [PMID: 38342681 DOI: 10.1002/smll.202309293] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/14/2023] [Revised: 01/24/2024] [Indexed: 02/13/2024]
Abstract
In recent years, carbon dots (CDs) have garnered increasing attention due to their simple preparation methods, versatile performances, and wide-ranging applications. CDs can manifest various optical, physical, and chemical properties including quantum yield (QY), emission wavelength (Em), solid-state fluorescence (SSF), room-temperature phosphorescence (RTP), material-specific responsivity, pH sensitivity, anti-oxidation and oxidation, and biocompatibility. These properties can be effectively regulated through precise control of the CD preparation process, rendering them suitable for diverse applications. However, the lack of consideration given to the precise control of each feature of CDs during the preparation process poses a challenge in obtaining the requisite features for various applications. This paper is to analyze existing research and present novel concepts and ideas for creating CDs with different distinct features and applications. The synthesis methods of CDs are discussed in the first section, followed by a comprehensive overview of the important properties of CDs and the modification strategy. Subsequently, the application of CDs and their requisite properties are reviewed. Finally, the paper outlines the current challenges in controlling CDs properties and their applications, discusses potential solutions, and offers suggestions for future research.
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Affiliation(s)
- Lijuan Yang
- State Key Laboratory of Molecular Vaccinology and Molecular Diagnostics & Center for Molecular Imaging and Translational Medicine, School of Public Health, Xiamen University, Xiamen, 361102, China
| | - Yibo An
- State Key Laboratory of Molecular Vaccinology and Molecular Diagnostics & Center for Molecular Imaging and Translational Medicine, School of Public Health, Xiamen University, Xiamen, 361102, China
| | - Dazhuang Xu
- State Key Laboratory of Molecular Vaccinology and Molecular Diagnostics & Center for Molecular Imaging and Translational Medicine, School of Public Health, Xiamen University, Xiamen, 361102, China
| | - Fan Dai
- State Key Laboratory of Molecular Vaccinology and Molecular Diagnostics & Center for Molecular Imaging and Translational Medicine, School of Public Health, Xiamen University, Xiamen, 361102, China
| | - Shillong Shao
- State Key Laboratory of Molecular Vaccinology and Molecular Diagnostics & Center for Molecular Imaging and Translational Medicine, School of Public Health, Xiamen University, Xiamen, 361102, China
| | - Zhixiang Lu
- School of Pharmaceutical Sciences, Xiamen University, Xiamen, 361102, China
| | - Gang Liu
- State Key Laboratory of Molecular Vaccinology and Molecular Diagnostics & Center for Molecular Imaging and Translational Medicine, School of Public Health, Xiamen University, Xiamen, 361102, China
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Sangeetha UK, Sudhakaran N, Parvathy PA, Abraham M, Das S, De S, Sahoo SK. Coconut husk-lignin derived carbon dots incorporated carrageenan based functional film for intelligent food packaging. Int J Biol Macromol 2024; 266:131005. [PMID: 38522705 DOI: 10.1016/j.ijbiomac.2024.131005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2023] [Revised: 03/06/2024] [Accepted: 03/17/2024] [Indexed: 03/26/2024]
Abstract
Carbon dots (CDs) derived from sustainable natural feed-stocks like lignin have gained wide acceptance by virtue of their renewability and promising potential in intelligent sensing applications. The precursor lignin is isolated from agro-biomass waste, coconut husk through sodium hydroxide based extraction process. CDs are synthesised from amine functionalized lignin through solvothermal process and integrated into carrageenan biopolymer matrix (1, 2 and 3 wt%). The composite film with 2 wt% CDs (CARR2CD) showed optimum fluorescent emission intensity, excellent pH dependent fluorescent color change in the food pH range, reasonable tensile strength (46.50 ± 1.32 MPa) and 27 % increase in elongation at break. CDs imparted UV-light blocking properties (70 % UV-light) and enhanced hydrophobicity of the carrageenan matrix. CARR2CD film showed 84 % visible light transparency, 79 % reduction in oxygen transmittance rate (OTR), 81 % reduction in CO2 gas permeability and excellent antioxidant and antibacterial properties (against E. coli and S. aureus). As a practical application, the developed responsive packaging material is used to track pH change associated with milk spoilage via noticeable color change in fluorescent emission of the composite film. Thus, the developed responsive composite film paves a way for use as green and sustainable transparent intelligent food packaging material.
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Affiliation(s)
- U K Sangeetha
- Materials Science and Technology Division, CSIR-National Institute for Interdisciplinary Science and Technology, Thiruvananthapuram 695019, India; Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India
| | - Nandhana Sudhakaran
- Materials Science and Technology Division, CSIR-National Institute for Interdisciplinary Science and Technology, Thiruvananthapuram 695019, India
| | - P A Parvathy
- Materials Science and Technology Division, CSIR-National Institute for Interdisciplinary Science and Technology, Thiruvananthapuram 695019, India; Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India
| | - Malini Abraham
- Materials Science and Technology Division, CSIR-National Institute for Interdisciplinary Science and Technology, Thiruvananthapuram 695019, India; Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India
| | - Subrata Das
- Materials Science and Technology Division, CSIR-National Institute for Interdisciplinary Science and Technology, Thiruvananthapuram 695019, India; Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India
| | - Sriparna De
- Department of Allied Health Sciences, Brainware University, Kolkata 700125, India
| | - Sushanta K Sahoo
- Materials Science and Technology Division, CSIR-National Institute for Interdisciplinary Science and Technology, Thiruvananthapuram 695019, India; Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India.
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7
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Nawaz H, Zhang X, Chen S, Li X, Zhang X, Shabbir I, Xu F. Recent developments in lignin-based fluorescent materials. Int J Biol Macromol 2024; 258:128737. [PMID: 38103672 DOI: 10.1016/j.ijbiomac.2023.128737] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2023] [Revised: 11/29/2023] [Accepted: 12/08/2023] [Indexed: 12/19/2023]
Abstract
Biomass-based fluorescent materials are an alternative to plastic-based materials for their multifunctional applications. Lignin, an inexpensive and easily available raw material, demonstrates outstanding environment-responsive properties such as pH, metal ions, dyes sensing, bioimaging and so on. To date, only a little work has been reported on the synthesis of lignin-based fluorescent materials. In this review report, synthetic approaches and light-responsive applications of lignin-based fluorescent carbon dots and other materials are summarized. The results reveal that lignin-based fluorescent carbon dots are prepared by hydrothermal method, exhibit small size <10 nm, reveal significant quantum yield, biocompatibility, non-toxicity, photostability and display substantial tunable emission and can be efficiently employed for sensing, bioimaging and energy storage applications. Finally, the forthcoming challenges, investigations, and options open for the chemical and/or physical modification of lignin into fluorescent materials for future applications are well-addressed. To our knowledge, this is the first comprehensive review report on lignin-based fluorescent materials and their light-responsive applications. In addition, this review will attract remarkable consideration and thrust for the researchers and biochemical technologists working with the preparation of lignin-based fluorescent materials for broad applications.
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Affiliation(s)
- Haq Nawaz
- Institute of Biomass Chemistry and Technology, Beijing Forestry University, Beijing 100083, China.
| | - Xun Zhang
- Institute of Biomass Chemistry and Technology, Beijing Forestry University, Beijing 100083, China.
| | - Sheng Chen
- Institute of Biomass Chemistry and Technology, Beijing Forestry University, Beijing 100083, China
| | - Xin Li
- Institute of Biomass Chemistry and Technology, Beijing Forestry University, Beijing 100083, China
| | - Xueming Zhang
- Institute of Biomass Chemistry and Technology, Beijing Forestry University, Beijing 100083, China
| | - Irfan Shabbir
- CAS Key Laboratory of Green Process and Engineering, State Key Laboratory of Multiphase Complex Systems, Beijing Key Laboratory of Ionic Liquids Clean Process, Institute of Process Engineering, Chinese Academy of Sciences, Beijing 100190, China
| | - Feng Xu
- Institute of Biomass Chemistry and Technology, Beijing Forestry University, Beijing 100083, China.
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Torun I, Huang C, Kalay M, Shim M, Onses MS. pH Tunable Patterning of Quantum Dots. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2024; 20:e2305237. [PMID: 37658505 DOI: 10.1002/smll.202305237] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/04/2023] [Revised: 08/17/2023] [Indexed: 09/03/2023]
Abstract
Patterning of quantum dots (QDs) is essential for many, especially high-tech, applications. Here, pH tunable assembly of QDs over functional patterns prepared by electrohydrodynamic jet printing of poly(2-vinylpyridine) is presented. The selective adsorption of QDs from water dispersions is mediated by the electrostatic interaction between the ligand composed of 3-mercaptopropionic acid and patterned poly(2-vinylpyridine). The pH of the dispersion provides tunability at two levels. First, the adsorption density of QDs and fluorescence from the patterns can be modulated for pH > ≈4. Second, patterned features show unique type of disintegration resulting in randomly positioned features within areas defined by the printing for pH ≤ ≈4. The first capability is useful for deterministic patterning of QDs, whereas the second one enables hierarchically structured encoding of information by generating stochastic features of QDs within areas defined by the printing. This second capability is exploited for generating addressable security labels based on unclonable features. Through image analysis and feature matching algorithms, it is demonstrated that such patterns are unclonable in nature and provide a suitable platform for anti-counterfeiting applications. Collectively, the presented approach not only enables effective patterning of QDs, but also establishes key guidelines for addressable assembly of colloidal nanomaterials.
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Affiliation(s)
- Ilker Torun
- Department of Materials Science and Engineering, Nanotechnology Research Center (ERNAM), Erciyes University, Kayseri, 38039, Turkey
- Department of Materials Science and Engineering, University of Illinois Urbana-Champaign, Urbana, IL, 61801, USA
| | - Conan Huang
- Department of Materials Science and Engineering, University of Illinois Urbana-Champaign, Urbana, IL, 61801, USA
| | - Mustafa Kalay
- Nanotechnology Research Center (ERNAM), Erciyes University, Kayseri, 38039, Turkey
- Department of Electricity and Energy, Kayseri University, Kayseri, 38039, Turkey
| | - Moonsub Shim
- Department of Materials Science and Engineering, University of Illinois Urbana-Champaign, Urbana, IL, 61801, USA
| | - M Serdar Onses
- Department of Materials Science and Engineering, Nanotechnology Research Center (ERNAM), Erciyes University, Kayseri, 38039, Turkey
- UNAM-Institute of Materials Science and Nanotechnology, Bilkent University, Ankara, 06800, Turkey
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9
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Guo X, Yang R, Wang Y, Cheng C, Fu D, Sheng J. Molecularly designed and synthesized of bright blue nitrogen-doped lignin-derived carbon dots applied in printable anti-counterfeiting. Int J Biol Macromol 2023; 253:126723. [PMID: 37696377 DOI: 10.1016/j.ijbiomac.2023.126723] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2023] [Revised: 08/31/2023] [Accepted: 09/03/2023] [Indexed: 09/13/2023]
Abstract
With the increased demand for green and sustainable development, the research of advanced biomass-based carbon dots (CDs) has drawn growing attention. Herein, a one-step green solvent integration strategy-assisted solvothermal method to preparing CDs from hydrolyzed lignin and ethylenediamine (EDA) in formamide (FA) was developed. The Schiff reaction between FA and EDA contributes to the formation of -C-N groups, further inducing the high photoluminescence quantum yield (up to 42.69 %),obviously higher than NCDs prepared in H2O, EtOH and DMF systems (corresponding to H-NCDs, E-NCDs and D-NCDs, respectively). The analysis of structure, composition, photoluminescence (PL) behaviors and DFT calculations showed that F-NCDs have main blue fluorescent emission peak from 410 to 455 nm under 330-390 nm excitation due to the small sp2 structure in carbon core, and the large sp2 conjugated clusters and CO group related surface states leaded to the long wavelength emission. The F-NCDs with excellent optical properties was further used for preparing fluorescent film and invisible anti-counterfeiting ink, which exhibited outstanding fluorescence even at different temperatures and aging times. We provided a facile way for green facile preparation of lignin-based CDs and their sustainable anti-counterfeiting application.
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Affiliation(s)
- Xiaohui Guo
- State Key Laboratory of Pulp and Paper Engineering, South China University of Technology, Guangzhou 510640, China
| | - Rendang Yang
- State Key Laboratory of Pulp and Paper Engineering, South China University of Technology, Guangzhou 510640, China
| | - Yang Wang
- State Key Laboratory of Pulp and Paper Engineering, South China University of Technology, Guangzhou 510640, China; School of Chemistry and Chemical Engineering, South China University of Technology, Guangzhou 510640, China.
| | - Chen Cheng
- State Key Laboratory of Pulp and Paper Engineering, South China University of Technology, Guangzhou 510640, China
| | - Danning Fu
- State Key Laboratory of Pulp and Paper Engineering, South China University of Technology, Guangzhou 510640, China
| | - Jie Sheng
- School of Environmental and Chemical Engineering, Foshan University, Foshan 528000, China
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Mao X, Zhao X, Hu H, Li Z, Xiong W, Wei Y, Gao W. One-step hydrothermal method synthesized pH-dependent carbon dots for multistage anti-counterfeiting. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2023; 303:123257. [PMID: 37591019 DOI: 10.1016/j.saa.2023.123257] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/24/2023] [Revised: 07/24/2023] [Accepted: 08/11/2023] [Indexed: 08/19/2023]
Abstract
Work to combat counterfeiting has always been crucial to defending the interests of the public. The usual anti-counterfeiting marks are now fundamental and easy to imitate. Therefore, it is more beneficial to anti-counterfeiting work to develop an anti-counterfeiting mark with more variations to make forgery more difficult. Due to its exceptional stability and fluorescence variability, carbon dots (CDs), a newly developed fluorescent material, offer a wide range of potential applications in anti-counterfeiting. However, there currently needs to be more CD applications in multi-level anti-counterfeiting, and additional issues include high cost and environmental contamination. Therefore, considering the problems of green environmental protection and cost, CDs with excellent green (530 nm) and blue (475 nm, 486 nm) luminescence properties were prepared by a one-step reaction of m-phenylenediamine and glucose. The average fluorescence lifespan is longer than 5 ns, and the optimal quantum yield can reach 37%. Due to the large number of protonated amino groups and surface carboxyl functional groups, the prepared carbon dots exhibit green and blue fluorescence emission modes under acidic and alkaline conditions, respectively. Based on this situation, we produced CD ink and successfully used it for multi-level anti-counterfeiting.
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Affiliation(s)
- Xiang Mao
- School of Resources, Environment and Materials, Guangxi University, Nanning 530004, Guangxi, China; Guangxi Engineering and Technology Research Center for High Quality Structural Panels from Biomass Wastes, Nanning 530004, Guangxi, China; State Key Laboratory of Featured Metal Materials and Life-cycle Safety for Composite Structures, Nanning 530004, Guangxi, China
| | - Xia Zhao
- School of Resources, Environment and Materials, Guangxi University, Nanning 530004, Guangxi, China; Guangxi Engineering and Technology Research Center for High Quality Structural Panels from Biomass Wastes, Nanning 530004, Guangxi, China; State Key Laboratory of Featured Metal Materials and Life-cycle Safety for Composite Structures, Nanning 530004, Guangxi, China
| | - Hao Hu
- School of Resources, Environment and Materials, Guangxi University, Nanning 530004, Guangxi, China; Guangxi Engineering and Technology Research Center for High Quality Structural Panels from Biomass Wastes, Nanning 530004, Guangxi, China; State Key Laboratory of Featured Metal Materials and Life-cycle Safety for Composite Structures, Nanning 530004, Guangxi, China
| | - Zequan Li
- School of Resources, Environment and Materials, Guangxi University, Nanning 530004, Guangxi, China; Guangxi Engineering and Technology Research Center for High Quality Structural Panels from Biomass Wastes, Nanning 530004, Guangxi, China; State Key Laboratory of Featured Metal Materials and Life-cycle Safety for Composite Structures, Nanning 530004, Guangxi, China; Key Laboratory of Disaster Prevention and Structural Safety of Ministry of Education, Guangxi University, Nanning 530004, Guangxi, China
| | - Wei Xiong
- Key Laboratory of Disaster Prevention and Structural Safety of Ministry of Education, Guangxi University, Nanning 530004, Guangxi, China; School of Civil Engineering and Architecture, Guangxi University, Nanning 530004, Guangxi, China
| | - Yujiao Wei
- Key Laboratory of Disaster Prevention and Structural Safety of Ministry of Education, Guangxi University, Nanning 530004, Guangxi, China; School of Civil Engineering and Architecture, Guangxi University, Nanning 530004, Guangxi, China
| | - Wei Gao
- School of Resources, Environment and Materials, Guangxi University, Nanning 530004, Guangxi, China; Guangxi Engineering and Technology Research Center for High Quality Structural Panels from Biomass Wastes, Nanning 530004, Guangxi, China; State Key Laboratory of Featured Metal Materials and Life-cycle Safety for Composite Structures, Nanning 530004, Guangxi, China; Key Laboratory of Disaster Prevention and Structural Safety of Ministry of Education, Guangxi University, Nanning 530004, Guangxi, China.
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11
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Jia Z, Wang S, Yu H, Li W, Ye J, Hu Y, Liu C, Ye Z, Sun Y, Xu X. Novel supramolecular deep eutectic solvent pretreatment for obtaining fluorescent lignin and promoting biomass pyrolytic saccharification. BIORESOURCE TECHNOLOGY 2023; 388:129780. [PMID: 37739185 DOI: 10.1016/j.biortech.2023.129780] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/26/2023] [Revised: 09/07/2023] [Accepted: 09/11/2023] [Indexed: 09/24/2023]
Abstract
In this study, β-CD was used as a receptor to prepare three novel SDES, which were used to pretreat corn stalks for obtaining fluorescent lignin and promoting biomass pyrolytic saccharification. It was found that GA-residue had a high cellulose retention ratio (94.63%) and the highest lignin removal ratio (61.78%). Besides, the yield of carbohydrates in bio-oil was increased from 0.63% to 49.37%, and fluorescent lignin was prepared for explosion detection, fluorescent film, and information encryption. It was confirmed that the weak interaction between β-CD and HBDs or dimer was mainly performed by hydrogen bond and van der Waals force. The minimum frontier orbital energy difference ΔEU (0.1976 a.u.) and high binding energy (-5456.71 kJ/mol) between molecules were calculated by DFT. Moreover, the mechanism of biomass pretreatment was explored. The green and efficient SDES developed in this study were of great significance for biomass pretreatment and efficient utilization of components.
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Affiliation(s)
- Zhiwen Jia
- Key Laboratory for Biobased Materials and Energy of Ministry of Education, College of Materials and Energy, South China Agricultural University, Guangzhou 510640, China
| | - Shiyang Wang
- Key Laboratory for Biobased Materials and Energy of Ministry of Education, College of Materials and Energy, South China Agricultural University, Guangzhou 510640, China
| | - Haipeng Yu
- Key Laboratory for Biobased Materials and Energy of Ministry of Education, College of Materials and Energy, South China Agricultural University, Guangzhou 510640, China
| | - Wanyu Li
- Key Laboratory for Biobased Materials and Energy of Ministry of Education, College of Materials and Energy, South China Agricultural University, Guangzhou 510640, China
| | - Jiamin Ye
- Key Laboratory for Biobased Materials and Energy of Ministry of Education, College of Materials and Energy, South China Agricultural University, Guangzhou 510640, China
| | - Yihao Hu
- Key Laboratory for Biobased Materials and Energy of Ministry of Education, College of Materials and Energy, South China Agricultural University, Guangzhou 510640, China
| | - Cong Liu
- School of Chemistry, South China Normal University, Guangzhou 510006, China
| | - Zijian Ye
- School of Chemistry, South China Normal University, Guangzhou 510006, China
| | - Yan Sun
- Key Laboratory for Biobased Materials and Energy of Ministry of Education, College of Materials and Energy, South China Agricultural University, Guangzhou 510640, China
| | - Xiwei Xu
- Key Laboratory for Biobased Materials and Energy of Ministry of Education, College of Materials and Energy, South China Agricultural University, Guangzhou 510640, China; Lingnan Modern Agricultural Science and Technology Maoming Branch of Guangdong Provincial Laboratory, Maoming 525032, Guangdong, China.
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12
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Gan J, Chen L, Chen Z, Zhang J, Yu W, Huang C, Wu Y, Zhang K. Lignocellulosic Biomass-Based Carbon Dots: Synthesis Processes, Properties, and Applications. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2023; 19:e2304066. [PMID: 37537709 DOI: 10.1002/smll.202304066] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/15/2023] [Revised: 07/17/2023] [Indexed: 08/05/2023]
Abstract
Carbon dots (CDs), a new type of carbon-based fluorescent nanomaterial, have attracted widespread attention because of their numerous excellent properties. Lignocellulosic biomass is the most abundant renewable natural resource and possesses broad potential to manufacture different composite and smart materials. Numerous studies have explored the potential of using the components (such as cellulose, hemicellulose, and lignin) in lignocellulosic biomass to produce CDs. There are few papers systemically aiming in the review of the state-of-the-art works related to lignocellulosic biomass-derived CDs. In this review, the significant advances in synthesis processes, formation mechanisms, structural characteristics, optical properties, and applications of lignocellulosic biomass-based CDs such as cellulose-based CDs, hemicellulose-based CDs and lignin-based CDs in latest research are reviewed. In addition, future research directions on the improvement of the synthesis technology of CDs using lignocellulosic biomass as raw materials to enhance the properties of CDs are proposed. This review will serve as a road map for scientists engaged in research and exploring more applications of CDs in different science fields to achieve the highest material performance goals of CDs.
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Affiliation(s)
- Jian Gan
- Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, Nanjing Forestry University, Nanjing, 210037, China
| | - Lizhen Chen
- Sustainable Materials and Chemistry, Department of Wood Technology and Wood-Based Composites, University of Göttingen, 37077, Göttingen, Germany
| | - Zhijun Chen
- Engineering Research Center of Advanced Wooden Materials and Key Laboratory of Bio-based Material Science & Technology Ministry of Education, Northeast Forestry University, Harbin, 150040, China
| | - Jilei Zhang
- Department of Sustainable Bioproducts, Mississippi State University, Mississippi State, MS, 39762, USA
| | - Wenji Yu
- Research Institute of Wood Industry, Chinese Academy of Forestry, Beijing, 100091, China
| | - Caoxing Huang
- Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, Nanjing Forestry University, Nanjing, 210037, China
| | - Yan Wu
- Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, Nanjing Forestry University, Nanjing, 210037, China
| | - Kai Zhang
- Sustainable Materials and Chemistry, Department of Wood Technology and Wood-Based Composites, University of Göttingen, 37077, Göttingen, Germany
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13
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Gurung S, Neha, Arun N, Joshi M, Jaiswal T, Pathak AP, Das P, Singh AK, Tripathi A, Tiwari A. Dual metal ion (Fe 3+ and As 3+) sensing and cell bioimaging using fluorescent carbon quantum dots synthesised from Cynodon dactylon. CHEMOSPHERE 2023; 339:139638. [PMID: 37524264 DOI: 10.1016/j.chemosphere.2023.139638] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/08/2023] [Revised: 07/09/2023] [Accepted: 07/22/2023] [Indexed: 08/02/2023]
Abstract
In this study, water dispersible fluorescent carbon quantum dot (CQD) has been synthesised, having an average size of 8.6 ± 0.4 nm using Cynodon dactylon (CD) following microwave assisted green synthetic one-step method. As-prepared CQD fluoresces strongly at 444 nm having a quantum yield of 1% in water when excited at 350 nm. This fluorescence of CQD is sensitive toward As3+ and Fe3+ metal ions. These CQD are utilized for dual metal ion fluorescence sensing; turn-on fluorescence sensing for As3+ and turn-off fluorescence sensing for Fe3+ ions. Limit of detection for As3+ and Fe3+ ions has been found to be 19 nM and 0.10 μM respectively, which is the lowest value reported for As3+ without any functionalization. The adsorption kinetics of As3+ and Fe3+ ions on CQD have been examined using pseudo-first-order-kinetic model revealing that physical adsorption is dominant over chemical processes in this work. For 0.41 g/L and 1.90 g/L dose of CQD, the equilibrium adsorption capacity was found to be 1.57 × 10-6 mg/g, 2.91 × 10-7 mg/g, and 1.01 × 10-5 mg/g, 1.69 × 10-6 mg/g respectively for As3+ and Fe3+ ions. Despite having low quantum yield in water, as-prepared CQD showed low cytotoxicity and good tolerance against photodegradation of biological cells at concentrations lower than 62.5 μg/mL and when the cells are illuminated up to 12 h. Owing to this, the synthesised CQD have been utilized as fluorescent probes for in itro cell imaging.
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Affiliation(s)
- Sweta Gurung
- Department of Physics, School of Physical Sciences, Sikkim University, Gangtok, 737102, India
| | - Neha
- Centre for Genetic Disorders, Institute of Science, Banaras Hindu University, Varanasi, 221005, India
| | - Nimmala Arun
- School of Physics, University of Hyderabad, Hyderabad, 500046, India
| | - Mayank Joshi
- Department of Physics, Institute of Science, Banaras Hindu University, Varanasi, 221005, India
| | - Tanya Jaiswal
- Department of Physics, Institute of Science, Banaras Hindu University, Varanasi, 221005, India
| | - Anand P Pathak
- School of Physics, University of Hyderabad, Hyderabad, 500046, India
| | - Parimal Das
- Centre for Genetic Disorders, Institute of Science, Banaras Hindu University, Varanasi, 221005, India
| | - Amaresh Kumar Singh
- Department of Zoology, Institute of Science, Banaras Hindu University, Varanasi, 221005, India.
| | - Ajay Tripathi
- Department of Physics, School of Physical Sciences, Sikkim University, Gangtok, 737102, India.
| | - Archana Tiwari
- Department of Physics, Institute of Science, Banaras Hindu University, Varanasi, 221005, India.
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14
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Yang Z, Xu T, Li H, She M, Chen J, Wang Z, Zhang S, Li J. Zero-Dimensional Carbon Nanomaterials for Fluorescent Sensing and Imaging. Chem Rev 2023; 123:11047-11136. [PMID: 37677071 DOI: 10.1021/acs.chemrev.3c00186] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/09/2023]
Abstract
Advances in nanotechnology and nanomaterials have attracted considerable interest and play key roles in scientific innovations in diverse fields. In particular, increased attention has been focused on carbon-based nanomaterials exhibiting diverse extended structures and unique properties. Among these materials, zero-dimensional structures, including fullerenes, carbon nano-onions, carbon nanodiamonds, and carbon dots, possess excellent bioaffinities and superior fluorescence properties that make these structures suitable for application to environmental and biological sensing, imaging, and therapeutics. This review provides a systematic overview of the classification and structural properties, design principles and preparation methods, and optical properties and sensing applications of zero-dimensional carbon nanomaterials. Recent interesting breakthroughs in the sensitive and selective sensing and imaging of heavy metal pollutants, hazardous substances, and bioactive molecules as well as applications in information encryption, super-resolution and photoacoustic imaging, and phototherapy and nanomedicine delivery are the main focus of this review. Finally, future challenges and prospects of these materials are highlighted and envisaged. This review presents a comprehensive basis and directions for designing, developing, and applying fascinating fluorescent sensors fabricated based on zero-dimensional carbon nanomaterials for specific requirements in numerous research fields.
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Affiliation(s)
- Zheng Yang
- Key Laboratory of Synthetic and Natural Functional Molecule of the Ministry of Education, College of Chemistry & Materials Science, Northwest University, Xi'an 710127, P. R. China
- College of Chemistry and Chemical Engineering, Xi'an University of Science and Technology, Xi'an 710054, P. R. China
| | - Tiantian Xu
- College of Chemistry and Chemical Engineering, Xi'an University of Science and Technology, Xi'an 710054, P. R. China
| | - Hui Li
- Key Laboratory of Synthetic and Natural Functional Molecule of the Ministry of Education, College of Chemistry & Materials Science, Northwest University, Xi'an 710127, P. R. China
- College of Chemistry and Chemical Engineering, Xi'an University of Science and Technology, Xi'an 710054, P. R. China
| | - Mengyao She
- Key Laboratory of Synthetic and Natural Functional Molecule of the Ministry of Education, College of Chemistry & Materials Science, Northwest University, Xi'an 710127, P. R. China
- Ministry of Education Key Laboratory of Resource Biology and Modern Biotechnology in Western China, Provincial Key Laboratory of Biotechnology of Shaanxi, The College of Life Sciences, Northwest University, Xi'an 710069, P. R. China
| | - Jiao Chen
- Key Laboratory of Synthetic and Natural Functional Molecule of the Ministry of Education, College of Chemistry & Materials Science, Northwest University, Xi'an 710127, P. R. China
- Ministry of Education Key Laboratory of Resource Biology and Modern Biotechnology in Western China, Provincial Key Laboratory of Biotechnology of Shaanxi, The College of Life Sciences, Northwest University, Xi'an 710069, P. R. China
| | - Zhaohui Wang
- Key Laboratory of Synthetic and Natural Functional Molecule of the Ministry of Education, College of Chemistry & Materials Science, Northwest University, Xi'an 710127, P. R. China
| | - Shengyong Zhang
- Key Laboratory of Synthetic and Natural Functional Molecule of the Ministry of Education, College of Chemistry & Materials Science, Northwest University, Xi'an 710127, P. R. China
| | - Jianli Li
- Key Laboratory of Synthetic and Natural Functional Molecule of the Ministry of Education, College of Chemistry & Materials Science, Northwest University, Xi'an 710127, P. R. China
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15
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Zhang T, Hou S, Huo X, Li H, Shi H, Wang X, Liu C, Guo Y. Two-Pronged Approach: Synergistic Tuning of the Surface and Carbon Core to Achieve Yellow Emission in Lignin-Based Carbon Dots. ACS APPLIED MATERIALS & INTERFACES 2023; 15:42823-42835. [PMID: 37642200 DOI: 10.1021/acsami.3c07075] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 08/31/2023]
Abstract
In this study, yellow emissive lignin-based carbon dots (Y-CDs) were successfully prepared through a synergistic approach to adjust its surface and carbon core states. The lignin was initially effectively oxidized and carboxymethylated to impart abundant -COOH onto the precursor, which eventually adjusts the surface state of the CDs. Subsequently, α-naphthol was employed during the solvothermal treatment of lignin with the aim of elevating the sp2 domain content in the CDs and, thus, adjusting its carbon core state. The obtained Y-CDs possessed abundant carboxyl groups and nanoscale spherical shape with an average diameter of 5.21 nm. Meanwhile, the energy gap of Y-CDs was 2.46 eV and the optimal emission wavelength was 561 nm under the excitation wavelength of 410 nm. Synergistic adjusting carbon core and surface of the Y-CDs would alter the surface charge distribution and promote the delocalization of π electrons, and thus lead to a red shifting with the emission wavelength of 154 nm. Furthermore, a shape memory film with excellent recovery performance and fluorescent properties was designed by embedding the Y-CDs into polyvinyl alcohol (PVA) polymer. The incorporation of Y-CDs could impart the film with considerable high-value applications in the fields of intelligent sensing, biomedicine, and tissue engineering.
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Affiliation(s)
- Tao Zhang
- Liaoning Key Lab of Lignocellulose Chemistry and BioMaterials, Liaoning Collaborative Innovation Center for Lignocellulosic Biorefinery, College of Light Industry and Chemical Engineering, Dalian Polytechnic University, Dalian 116034, China
| | - Shiyao Hou
- Liaoning Key Lab of Lignocellulose Chemistry and BioMaterials, Liaoning Collaborative Innovation Center for Lignocellulosic Biorefinery, College of Light Industry and Chemical Engineering, Dalian Polytechnic University, Dalian 116034, China
| | - Xiaomin Huo
- Dalian Product Quality Inspection and Testing Institute Co., Ltd, Dongying 257335, China
| | - Haiming Li
- Liaoning Key Lab of Lignocellulose Chemistry and BioMaterials, Liaoning Collaborative Innovation Center for Lignocellulosic Biorefinery, College of Light Industry and Chemical Engineering, Dalian Polytechnic University, Dalian 116034, China
| | - Haiqiang Shi
- Liaoning Key Lab of Lignocellulose Chemistry and BioMaterials, Liaoning Collaborative Innovation Center for Lignocellulosic Biorefinery, College of Light Industry and Chemical Engineering, Dalian Polytechnic University, Dalian 116034, China
| | - Xing Wang
- Liaoning Key Lab of Lignocellulose Chemistry and BioMaterials, Liaoning Collaborative Innovation Center for Lignocellulosic Biorefinery, College of Light Industry and Chemical Engineering, Dalian Polytechnic University, Dalian 116034, China
| | - Changbin Liu
- Instrumental Analysis Center, Dalian Polytechnic University, Dalian 116034, China
| | - Yanzhu Guo
- Liaoning Key Lab of Lignocellulose Chemistry and BioMaterials, Liaoning Collaborative Innovation Center for Lignocellulosic Biorefinery, College of Light Industry and Chemical Engineering, Dalian Polytechnic University, Dalian 116034, China
- Huatai Group Corp. Ltd, Dongying 257335, China
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16
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Akram Z, Raza A, Mehdi M, Arshad A, Deng X, Sun S. Recent Advancements in Metal and Non-Metal Mixed-Doped Carbon Quantum Dots: Synthesis and Emerging Potential Applications. NANOMATERIALS (BASEL, SWITZERLAND) 2023; 13:2336. [PMID: 37630922 PMCID: PMC10459133 DOI: 10.3390/nano13162336] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/10/2023] [Revised: 08/05/2023] [Accepted: 08/10/2023] [Indexed: 08/27/2023]
Abstract
In nanotechnology, the synthesis of carbon quantum dots (CQDs) by mixed doping with metals and non-metals has emerged as an appealing path of investigation. This review offers comprehensive insights into the synthesis, properties, and emerging applications of mixed-doped CQDs, underlining their potential for revolutionary advancements in chemical sensing, biosensing, bioimaging, and, thereby, contributing to advancements in diagnostics, therapeutics, and the under standing of complex biological processes. This synergistic combination enhances their sensitivity and selectivity towards specific chemical analytes. The resulting CQDs exhibit remarkable fluorescence properties that can be involved in precise chemical sensing applications. These metal-modified CQDs show their ability in the selective and sensitive detection from Hg to Fe and Mn ions. By influencing their exceptional fluorescence properties, they enable precise detection and monitoring of biomolecules, such as uric acid, cholesterol, and many antibiotics. Moreover, when it comes to bioimaging, these doped CQDs show unique behavior towards detecting cell lines. Their ability to emit light across a wide spectrum enables high-resolution imaging with minimal background noise. We uncover their potential in visualizing different cancer cell lines, offering valuable insights into cancer research and diagnostics. In conclusion, the synthesis of mixed-doped CQDs opens the way for revolutionary advancements in chemical sensing, biosensing, and bioimaging. As we investigate deeper into this field, we unlock new possibilities for diagnostics, therapeutics, and understanding complex biological processes.
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Affiliation(s)
- Zubair Akram
- Key Laboratory of Xinjiang Phytomedicine Resource and Utilization, Ministry of Education, School of Chemistry and Chemical Engineering, Shihezi University, Shihezi 832003, China; (Z.A.); (A.R.); (A.A.); (X.D.)
| | - Ali Raza
- Key Laboratory of Xinjiang Phytomedicine Resource and Utilization, Ministry of Education, School of Chemistry and Chemical Engineering, Shihezi University, Shihezi 832003, China; (Z.A.); (A.R.); (A.A.); (X.D.)
| | - Muhammad Mehdi
- College of Chemistry & Pharmacy, Northwest A&F University, Xianyang 712100, China;
| | - Anam Arshad
- Key Laboratory of Xinjiang Phytomedicine Resource and Utilization, Ministry of Education, School of Chemistry and Chemical Engineering, Shihezi University, Shihezi 832003, China; (Z.A.); (A.R.); (A.A.); (X.D.)
| | - Xiling Deng
- Key Laboratory of Xinjiang Phytomedicine Resource and Utilization, Ministry of Education, School of Chemistry and Chemical Engineering, Shihezi University, Shihezi 832003, China; (Z.A.); (A.R.); (A.A.); (X.D.)
| | - Shiguo Sun
- Key Laboratory of Xinjiang Phytomedicine Resource and Utilization, Ministry of Education, School of Chemistry and Chemical Engineering, Shihezi University, Shihezi 832003, China; (Z.A.); (A.R.); (A.A.); (X.D.)
- College of Chemistry and Pharmaceutical Engineering, Hebei University of Science and Technology, Shijiazhuang 050018, China
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17
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Kundu A, Maity B, Basu S. Orange Pomace-Derived Fluorescent Carbon Quantum Dots: Detection of Dual Analytes in the Nanomolar Range. ACS OMEGA 2023; 8:22178-22189. [PMID: 37360434 PMCID: PMC10285992 DOI: 10.1021/acsomega.3c02474] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/12/2023] [Accepted: 05/26/2023] [Indexed: 06/28/2023]
Abstract
Green-emissive carbon quantum dots (CQDs) with exclusive chemosensing aspects were synthesized from orange pomace as a biomass-based precursor via a facile microwave method without using any chemicals. The synthesis of highly fluorescent CQDs with inherent nitrogen was confirmed through X-ray diffraction, X-ray photoelectron, Fourier transform infrared, Raman, and transmission electron microscopic techniques. The average size of the synthesized CQDs was found to be 7.5 nm. These fabricated CQDs displayed excellent photostability, water solubility, and outstanding fluorescent quantum yield, i.e., 54.26%. The synthesized CQDs showed promising results for the detection of Cr6+ ions and 4-nitrophenol (4-NP). The sensitivity of CQDs toward Cr6+ and 4-NP was found up to the nanomolar range with the limit of detection values of 59.6 and 14 nM, respectively. Several analytical performances were thoroughly studied for high precision of dual analytes of the proposed nanosensor. Various photophysical parameters of CQDs (quenching efficiency, binding constant, etc.) were analyzed in the presence of dual analytes to gain more insights into the sensing mechanism. The synthesized CQDs exhibited fluorescence quenching toward incrementing the quencher concentration, which was rationalized by the inner filter effect through time-correlated single-photon counting measurements. The CQDs fabricated in the current work exhibited a lower detection limit and a wide linear range through the simple, eco-friendly, and rapid detection of Cr6+ and 4-NP ions. To evaluate the feasibility of the detection approach, real sample analysis was conducted, demonstrating satisfactory recovery rates and relative standard deviations toward the developed probes. This research paves the way for developing CQDs with superior characteristics utilizing orange pomace (biowaste precursor).
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Affiliation(s)
- Aayushi Kundu
- School
of Chemistry and Biochemistry, Senior Research Fellow—TIET-Virginia
Tech Center of Excellence in Emerging Materials, Thapar Institute of Engineering and Technology, Patiala 147004, India
| | - Banibrata Maity
- School
of Chemistry and Biochemistry, Affiliate Faculty—TIET-Virginia
Tech Center of Excellence in Emerging Materials, Thapar Institute of Engineering and Technology, Patiala 147004, India
| | - Soumen Basu
- School
of Chemistry and Biochemistry, Affiliate Faculty—TIET-Virginia
Tech Center of Excellence in Emerging Materials, Thapar Institute of Engineering and Technology, Patiala 147004, India
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18
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Zhu J, Hu L, Meng X, Li F, Wang W, Shi G, Wang Z. Synergism of Photo-Induced Electron Transfer and Aggregation-Induced Quenching Mechanisms for Highly Sensitive Detection of Silver Ion and Captopril. Molecules 2023; 28:molecules28093650. [PMID: 37175061 PMCID: PMC10180011 DOI: 10.3390/molecules28093650] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2023] [Revised: 04/13/2023] [Accepted: 04/20/2023] [Indexed: 05/15/2023] Open
Abstract
Carbon-based nanoprobes, with excellent physicochemical performance and biocompatibility, are a kind of ideal nanomaterial for biosensing. Herein, we designed and prepared novel oxygen-doped nitrogen-enrichment carbon nanoribbons (ONCNs) with an excellent optical performance and uniform morphology, which could be used as a dual-mode fluorescence probe for the detection of Ag+ ion and captopril (Ctl) based on the synergism of photo-induced electron transfer and aggregation-induced quenching mechanisms. By recording the changes in fluorescent intensities of ONCNs, the Ag+ ion and Ctl concentrations can be easily tested in real samples. The results displayed that two good linear relationships existed between the change in fluorescent intensity of ONCNs and the concentrations of Ag+ ion and Ctl in the ranges of 3 μM to 30 μM and 1 μM to 30 μM, with the detection limit of 0.78 µM and 74 nM, respectively. The proposed sensing platform has also been successfully applied for the Ctl analysis in commercial tablet samples based on its high selectivity, proving its value in practical applications.
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Affiliation(s)
- Jing Zhu
- School of Chemistry and Chemical Engineering, Yancheng Institute of Technology, Yancheng 224051, China
| | - Lei Hu
- School of Chemistry and Chemical Engineering, Yancheng Institute of Technology, Yancheng 224051, China
| | - Xiangying Meng
- School of Medical Laboratory, Weifang Medical University, Weifang 261053, China
| | - Feng Li
- School of Chemistry and Chemical Engineering, Yancheng Institute of Technology, Yancheng 224051, China
| | - Wenjuan Wang
- School of Chemistry and Chemical Engineering, Yancheng Institute of Technology, Yancheng 224051, China
| | - Guiyang Shi
- School of Chemistry and Chemical Engineering, Yancheng Institute of Technology, Yancheng 224051, China
| | - Zhongxia Wang
- School of Chemistry and Chemical Engineering, Yancheng Institute of Technology, Yancheng 224051, China
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19
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Lu Y, Xu H, Wei S, Jiang F, Zhang J, Ge Y, Li Z. In situ doping lignin-derived carbon quantum dots on magnetic hydrotalcite for enhanced degradation of Congo Red over a wide pH range and simultaneous removal of heavy metal ions. Int J Biol Macromol 2023; 239:124303. [PMID: 37019204 DOI: 10.1016/j.ijbiomac.2023.124303] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2023] [Revised: 03/16/2023] [Accepted: 03/29/2023] [Indexed: 04/05/2023]
Abstract
A new N, S-CQDs@Fe3O4@HTC composite was prepared by loading N, S carbon quantum dots (N, S-CQDs) derived from lignin on magnetic hydrotalcite (HTC) via an in-situ growth method. The characterization results showed that the catalyst had a mesoporous structure. These pores facilitate the diffusion and mass transfer of pollutant molecules inside the catalyst, allowing them to approach the active site smoothly. The catalyst performed well in the UV degradation of Congo red (CR) over a wide pH range (3-11), with efficiencies over 95.43 % in all cases. Even at a high NaCl content (100 g/L), the catalyst showed extraordinary CR degradation (99.30 %). ESR analysis and free radical quenching experiments demonstrated that OH and O2- were the main active species governing CR degradation. Besides, the composite had outstanding removal efficiency for Cu2+ (99.90 %) and Cd2+ (85.08 %) simultaneously due to the electrostatic attraction between the HTC and metal ions. Moreover, the N, S-CQDs@Fe3O4@HTC had excellent stability and recyclability during five cycles, making it free of secondary contamination. This work provides a new environment-friendly catalyst for the simultaneous removal of multiple pollutants and a waste-to-waste strategy for the value-added utilization of lignin.
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20
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Zhu L, Shen D, Zhang H, Luo KH, Li C. Fabrication of Z-scheme Bi 7O 9I 3/g-C 3N 4 heterojunction modified by carbon quantum dots for synchronous photocatalytic removal of Cr (Ⅵ) and organic pollutants. JOURNAL OF HAZARDOUS MATERIALS 2023; 446:130663. [PMID: 36608584 DOI: 10.1016/j.jhazmat.2022.130663] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/06/2022] [Revised: 12/11/2022] [Accepted: 12/21/2022] [Indexed: 06/17/2023]
Abstract
Chromium(VI) (Cr(VI)), a highly toxic metal ion, generally co-exists with organic pollutants in industrial effluents. The clean and effective technology for water purification is an imperative issue but still a challenging task. A series of Bi7O9I3/g-C3N4 (BOI/CN) composites modified by lignin-derived carbon quantum dots (CQDs) were fabricated by hydrothermal method and applied for synchronous photocatalytic removal of Cr (Ⅵ) and levofloxacin (LEV). With the modification of CQDs in BOI/CN heterojunction, the 0.5-CQD/BOI/CN photocatalyst (0.5% content of CQDs) exhibited stronger light-harvesting capacity, more efficient charge separation, and faster electron transfer. Compared to those of BOI (51.2%), CN (36.8%), and BOI/CN (74.4%), the photoreduction efficiency of Cr(VI) reached up to 100% by 0.5-CQD/BOI/CN under 60 min of light irradiation, together with 94.8% degradation efficiency of LEV. The degradation of LEV was dominantly controlled by active species (•OH and •O2-) identified by electron paramagnetic resonance analysis and free radical trapping experiments. The intermediates of LEV were determined by LC-MS and the possible degradation pathway was speculated in combination with density functional theory calculation, involving defluorination, decarboxylation, quinolone rings opening, and piperazine moieties oxidation reactions. This work provides an advanced strategy for the fabrication of high-efficiency CQDs-based Z-scheme photocatalysts for environmental remediation.
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Affiliation(s)
- Lingli Zhu
- Key Laboratory of Energy Thermal Conversion and Control of Ministry of Education, School of Energy and Environment, Southeast University, Nanjing 210096, PR China
| | - Dekui Shen
- Key Laboratory of Energy Thermal Conversion and Control of Ministry of Education, School of Energy and Environment, Southeast University, Nanjing 210096, PR China.
| | - Huiyan Zhang
- Key Laboratory of Energy Thermal Conversion and Control of Ministry of Education, School of Energy and Environment, Southeast University, Nanjing 210096, PR China.
| | - Kai Hong Luo
- Department of Mechanical Engineering, University College London, London WC1E7JE, UK
| | - Chong Li
- School of Chemical Engineering, Dalian University of Technology, Dalian 116024, Liaoning, PR China
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21
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Green Carbon Dots: Applications in Development of Electrochemical Sensors, Assessment of Toxicity as Well as Anticancer Properties. Catalysts 2023. [DOI: 10.3390/catal13030537] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/10/2023] Open
Abstract
Carbon dots are one of the most promising nanomaterials which exhibit a wide range of applications in the field of bioimaging, sensing and biomedicine due to their ultra-small size, high photostability, tunable fluorescence, electrical properties, etc. However, green carbon dots synthesized from several natural and renewable sources show some additional advantages, such as favorable biocompatibility, wide sources, low cost of production and ecofriendly nature. In this review, we will provide an update on the latest research of green carbon dots regarding their applications in cancer therapy and in the development of electrochemical sensors. Besides, the toxicity assessment of carbon dots as well as the challenges and future direction of research on their anticancer and sensing applications will be discussed.
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22
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Wu Y, Chen X, Wu W. Multiple Stimuli-Response Polychromatic Carbon Dots for Advanced Information Encryption and Safety. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2023; 19:e2206709. [PMID: 36642825 DOI: 10.1002/smll.202206709] [Citation(s) in RCA: 10] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/01/2022] [Revised: 12/06/2022] [Indexed: 06/17/2023]
Abstract
Optical information encryption and safety have aroused great attention since they are closely correlated to data protection and information safety. The development of multiple stimuli-response optical materials for constructing large-capacity information encryption and safety is very important for practical applications. Carbon dots (CDs) have many gratifying merits, such as polychromatic emission, diverse luminous categories, and stable physicochemical properties, and are considered as one of the most ideal candidates for information protection. Herein, carbon core, functional groups, solvents, and other crucial factors are reviewed for outputting polychromatic emission of multiple luminous categories. In particular, substrate engineering strategies have been emphasized for their critical role in yielding excellent optical features of multiple luminous categories. High-capacity information encryption and safety strategies are reviewed by relying on the rich optical properties of CDs, such as polychromatic emission, multiple luminous categories of fluorescence, afterglow, and upconversion, as well as external-stimuli-assisted optical changes. Some perspectives for preparing excellent CDs and further developing information security strategies are proposed. This review provides a good reference for the manipulation of polychromatic CDs and the development of next-generation information encryption and safety.
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Affiliation(s)
- Youfusheng Wu
- Laboratory of Printable Functional Materials and Printed Electronics, Research Center for Graphic Communication, Printing and Packaging, Wuhan University, Wuhan, 430072, P. R. China
| | - Xiao Chen
- Laboratory of Printable Functional Materials and Printed Electronics, Research Center for Graphic Communication, Printing and Packaging, Wuhan University, Wuhan, 430072, P. R. China
| | - Wei Wu
- Laboratory of Printable Functional Materials and Printed Electronics, Research Center for Graphic Communication, Printing and Packaging, Wuhan University, Wuhan, 430072, P. R. China
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23
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Li H, Chen Q, Wang Y, Zhang Z, Chen H, Wang Z, Gong Z. A dual-mode pH sensor film based on the pyrene-based Zr-MOF self-destruction with fluorescence turn-on effect. Microchem J 2023. [DOI: 10.1016/j.microc.2023.108450] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
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24
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Mi YF, Huang YH, He SH, Cao ZH, Shentu BQ. Promoted deposition of polydopamine by carbon quantum dots to construct loose nanofiltration membranes. Colloids Surf A Physicochem Eng Asp 2022. [DOI: 10.1016/j.colsurfa.2022.130871] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
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25
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Rajendran S, UshaVipinachandran V, Badagoppam Haroon KH, Ashokan I, Bhunia SK. A comprehensive review on multi-colored emissive carbon dots as fluorescent probes for the detection of pharmaceutical drugs in water. ANALYTICAL METHODS : ADVANCING METHODS AND APPLICATIONS 2022; 14:4263-4291. [PMID: 36278849 DOI: 10.1039/d2ay01288j] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/16/2023]
Abstract
Exposure to constituent hazardous chemicals in medical products has become a threat to environmental health across the globe. Excessive medication and the mishandling of pharmaceutical drugs can lead to the increased presence of chemicals in the aquatic environment, causing water pollution. Only a few nanomaterials exist for the detection of these chemicals and they are limited in use due to their adverse toxicity, instability, cost, and low aqueous solubility. In contrast, carbon dots (C-dots), a member of the family of carbon-based nanomaterials, have various beneficial properties including excellent biocompatibility, strong photoluminescence, low photobleaching, tunable fluorescence, and easy surface modification. Herein, we summarize recent advancements in various synthetic strategies for high-quality tunable fluorescent C-dots. The root of fluorescence has been briefly explained via the quantum confinement effect, surface defects, and molecular fluorescence. The surface functional moieties of C-dots have been investigated in depth to recognize the various types of pharmaceutical drugs that are used for the treatment of patients. The modulation of C-dot fluorescence in the course of their interactions with these drugs has been carefully explained. Different types of interaction mechanisms behind the C-dot fluorescence alteration have been discussed. Finally, the challenges and future perspectives of C-dots have been proposed for the vibrant field development of C-dot-based drug sensors.
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Affiliation(s)
- Sathish Rajendran
- Department of Chemistry, School of Advanced Sciences, Vellore Institute of Technology, Vellore, 632014, India.
| | - Varsha UshaVipinachandran
- Department of Chemistry, School of Advanced Sciences, Vellore Institute of Technology, Vellore, 632014, India.
| | | | - Indhumathi Ashokan
- Department of Chemistry, School of Advanced Sciences, Vellore Institute of Technology, Vellore, 632014, India.
| | - Susanta Kumar Bhunia
- Department of Chemistry, School of Advanced Sciences, Vellore Institute of Technology, Vellore, 632014, India.
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Facile and sustainable synthesis of sodium lignosulfonate derived carbon quantum dots for the detection of total Mn and ascorbic acid. ARAB J CHEM 2022. [DOI: 10.1016/j.arabjc.2022.104422] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022] Open
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27
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Li L, Han Y, Wang L, Jiang W, Zhao H. Dye Plants Derived Carbon Dots for Flexible Secure Printing. NANOMATERIALS (BASEL, SWITZERLAND) 2022; 12:3168. [PMID: 36144956 PMCID: PMC9506027 DOI: 10.3390/nano12183168] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 07/31/2022] [Revised: 09/02/2022] [Accepted: 09/08/2022] [Indexed: 06/16/2023]
Abstract
Carbon dots (C-dots) are fluorescent nanomaterials, exhibiting excellent structure-dependent optical properties for various types of optical and electrical applications. Although many precursors were used for C-dots production, it is still a challenge to produce high-quality C-dots using environmentally-friendly natural precursors. In this work, multiple-colored colloidal C-dots were synthesized via a heating reaction using natural plant dyes as precursors, for example, Indigo, Carcuma longa, and Sophora japonica L. The as-prepared C-dots have absorption in the UV range of 220 to 450 nm with the typical emission ranging from 350 to 600 nm. The as-obtained C-dots have a quantum yield as high as 3.8% in an aqueous solution. As a proof-of-concept, we used the as-prepared C-dots as fluorescence inks for textile secure printing. The printed patterns are almost invisible under daylight and have distinct and clear patterns under 365 and 395 nm light, proving the great potential in optical anti-counterfeiting. This work demonstrates the advanced strategy for high-performance C-dots production from natural dyes and their potential application in flexible secure printing systems.
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Affiliation(s)
- Linlin Li
- College of Textiles & Clothing, Qingdao University, No. 308 Ningxia Road, Qingdao 266071, China
| | - Yuanyuan Han
- College of Textiles & Clothing, Qingdao University, No. 308 Ningxia Road, Qingdao 266071, China
| | - Lihua Wang
- State Key Laboratory of Bio-Fibers and Eco-Textiles, College of Physics, Qingdao University, No. 308 Ningxia Road, Qingdao 266071, China
| | - Wei Jiang
- College of Textiles & Clothing, Qingdao University, No. 308 Ningxia Road, Qingdao 266071, China
| | - Haiguang Zhao
- State Key Laboratory of Bio-Fibers and Eco-Textiles, College of Physics, Qingdao University, No. 308 Ningxia Road, Qingdao 266071, China
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28
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Dong Y, Zhao H, Wang S, Cheng Q, Liu S, Li Y. Multimode Anticounterfeiting Labels Based on a Flexible and Water-Resistant NaGdF 4Yb 3+,Er 3+@Carbon Dots Chiral Fluorescent Cellulose Film. ACS APPLIED MATERIALS & INTERFACES 2022; 14:40313-40321. [PMID: 36002915 DOI: 10.1021/acsami.2c09971] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
Advanced fluorescent anticounterfeiting technology has attracted a great deal of attention and inspired researchers to develop reliable fluorescent materials with multimodal luminescence. Herein, hydrophobic NaGdF4:Yb3+,Er3+ nanoparticles with dual-mode luminescence were prepared through a one-step solvothermal method using oleic acid as a chelating agent and octadecene as a solvent. The as-synthesized sample was found to provide both green upconversion luminescence and blue downconversion luminescence at excitation wavelengths of 365 and 980 nm. The structure and composition analysis showed that the as-obtained samples were spherical NaGdF4:Yb3+,Er3+@carbon dots (CDs) with a 14.5 ± 0.2 nm particle size and good dispersity in nonpolar solvents. Subsequently, NaGdF4:Yb3+,Er3+@CDs were coated on a cholesteric nanocellulose film with structural color to prepare multimode circularly polarized fluorescent materials. The prepared composite film is flexible and water-resistant, meaning that it is very suitable for anticounterfeiting labels, not only providing a simple and rapid synthesis method with which to prepare multimode fluorescent materials but also presenting a novel anticounterfeiting technology.
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Affiliation(s)
- Yahui Dong
- Key Laboratory of Bio-based Material Science & Technology (Ministry of Education), College of Material Science and Engineering, Northeast Forestry University, Harbin 150040, China
| | - Haoran Zhao
- Key Laboratory of Bio-based Material Science & Technology (Ministry of Education), College of Material Science and Engineering, Northeast Forestry University, Harbin 150040, China
| | - Shipeng Wang
- Key Laboratory of Bio-based Material Science & Technology (Ministry of Education), College of Material Science and Engineering, Northeast Forestry University, Harbin 150040, China
| | - Qian Cheng
- Key Laboratory of Bio-based Material Science & Technology (Ministry of Education), College of Material Science and Engineering, Northeast Forestry University, Harbin 150040, China
| | - Shouxin Liu
- Key Laboratory of Bio-based Material Science & Technology (Ministry of Education), College of Material Science and Engineering, Northeast Forestry University, Harbin 150040, China
| | - Yu Li
- College of Science, Northeast Forestry University, Harbin 150040, China
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29
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Wei D, Lv S, Zuo J, Zhang S, Liang S. Recent advances research and application of lignin-based fluorescent probes. REACT FUNCT POLYM 2022. [DOI: 10.1016/j.reactfunctpolym.2022.105354] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
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30
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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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31
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Guo J, Xu J, Liu X, Dai L, Zhang C, Xiao X, Huo K. Enabling dual valorization of lignocellulose by fluorescent lignin carbon dots and biochar-supported persulfate activation: Towards waste-treats-pollutant. JOURNAL OF HAZARDOUS MATERIALS 2022; 435:129072. [PMID: 35650749 DOI: 10.1016/j.jhazmat.2022.129072] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/03/2022] [Revised: 04/27/2022] [Accepted: 05/02/2022] [Indexed: 06/15/2023]
Abstract
The rationally-designed lignocellulose valorization that promotes a novel "waste-treats-pollutant" standpoint is highly desired yet still challenging for the spread of biomass industry. At this point, a cascade technique with the assistance of deep eutectic solvent (DES) fractionation is tailored to dually valorize wheat straw into fluorescent lignin carbon dots (LCDs) and bimetallic Mg-Fe oxide-decorated biochar (MBC) via solvothermal engineering and co-precipitation/pyrolysis respectively. Benefitting from the abundance of β-aryl ether and hydroxyl groups in DES-extracted lignin, the photoluminescence LCDs emit blue color in a wide excitation span, which can be adopted to selectively detect ferric ions (Fe3+) in a broad dosage scale with a highly linear correlation of 10-50 μM. Taking advantages of the MBC-aided persulfate activation, we propose the efficient arbidol removal system with a universal concentration of 20-200 ppm in the scalable pH ranging from 3 to 11. The dominate migration pathways involving with active oxygen species and surface electron transfer are comprehensively studied via electron paramagnetic resonance, radical-quenching experiments, and theoretical arithmetic. With the endeavor of biorefineries, this full-scale platform ignites the dazzling wildfire from dual lignocellulose valorization that will also seek its accurate position in the kingdoms of functional materials and wastewater restoration.
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Affiliation(s)
- Jun Guo
- Key Laboratory of Hubei Province for Coal Conversion and New Carbon Materials, School of Chemistry and Chemical Engineering, Wuhan University of Science and Technology, Wuhan 430081, China
| | - Jikun Xu
- Key Laboratory of Hubei Province for Coal Conversion and New Carbon Materials, School of Chemistry and Chemical Engineering, Wuhan University of Science and Technology, Wuhan 430081, China.
| | - Xinyan Liu
- Key Laboratory of Hubei Province for Coal Conversion and New Carbon Materials, School of Chemistry and Chemical Engineering, Wuhan University of Science and Technology, Wuhan 430081, China
| | - Lin Dai
- Tianjin Key Laboratory of Pulp and Paper, Tianjin University of Science and Technology, Tianjin 300457, China
| | - Chuntao Zhang
- Key Laboratory of Hubei Province for Coal Conversion and New Carbon Materials, School of Chemistry and Chemical Engineering, Wuhan University of Science and Technology, Wuhan 430081, China.
| | - Xiao Xiao
- College of Biomass Science and Engineering, Sichuan University, Sichuan 610065, China.
| | - Kaifu Huo
- Wuhan National Laboratory for Optoelectronics, Huazhong University of Science and Technology, Wuhan 430074, China
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32
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Zhao Y, Zhu X, Liu L, Duan Z, Liu Y, Zhang W, Cui J, Rong Y, Dong C. One-Step Synthesis of Nitrogen/Fluorine Co-Doped Carbon Dots for Use in Ferric Ions and Ascorbic Acid Detection. NANOMATERIALS 2022; 12:nano12142377. [PMID: 35889602 PMCID: PMC9323265 DOI: 10.3390/nano12142377] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/22/2022] [Revised: 07/08/2022] [Accepted: 07/11/2022] [Indexed: 02/04/2023]
Abstract
Carbon dots (CDs) have caught enormous attention owing to their distinctive properties, such as their high water solubility, tunable optical properties, and easy surface modification, which can be generally used for the detection of heavy metals and organic pollutants. Herein, nitrogen and fluorine co-doped carbon dots (NFCDs) were designed via a rapid, low-cost, and one-step microwave-assisted technique using DL-malic acid and levofloxacin. The NFCDs emitted intense green fluorescence under UV lighting, and the optical emission peak at 490 nm was observed upon a 280 nm excitation, with a high quantum yield of 21.03%. Interestingly, the spectral measurements illustrated excitation-independent and concentration-independent single-color fluorescence owing to the presence of nitrogen and fluorine elements in the surface functional groups. Additionally, the NFCDs were applied for the selective detection of Fe3+ and ascorbic acid based on the “turn-off” mode. The detection limits were determined as 1.03 and 4.22 µM, respectively. The quenching mechanisms were explored using the static quenching mechanism and the inner filter effect. Therefore, a NFCDs fluorescent probe with single color emission was successfully developed for the convenient and rapid detection of Fe3+ and ascorbic acid in environments.
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Affiliation(s)
- Yan Zhao
- School of Chemical Engineering, Hebei Normal University of Science and Technology, Qinhuangdao 066004, China; (X.Z.); (L.L.); (Z.D.); (Y.L.); (W.Z.); (J.C.)
- Correspondence: (Y.Z.); (C.D.)
| | - Xiaoxuan Zhu
- School of Chemical Engineering, Hebei Normal University of Science and Technology, Qinhuangdao 066004, China; (X.Z.); (L.L.); (Z.D.); (Y.L.); (W.Z.); (J.C.)
| | - Lu Liu
- School of Chemical Engineering, Hebei Normal University of Science and Technology, Qinhuangdao 066004, China; (X.Z.); (L.L.); (Z.D.); (Y.L.); (W.Z.); (J.C.)
| | - Zhiqing Duan
- School of Chemical Engineering, Hebei Normal University of Science and Technology, Qinhuangdao 066004, China; (X.Z.); (L.L.); (Z.D.); (Y.L.); (W.Z.); (J.C.)
| | - Yanping Liu
- School of Chemical Engineering, Hebei Normal University of Science and Technology, Qinhuangdao 066004, China; (X.Z.); (L.L.); (Z.D.); (Y.L.); (W.Z.); (J.C.)
- Hebei Key Laboratory of Active Components and Functions in Natural Product, Qinhuangdao 066004, China
| | - Weiyuan Zhang
- School of Chemical Engineering, Hebei Normal University of Science and Technology, Qinhuangdao 066004, China; (X.Z.); (L.L.); (Z.D.); (Y.L.); (W.Z.); (J.C.)
| | - Jingjing Cui
- School of Chemical Engineering, Hebei Normal University of Science and Technology, Qinhuangdao 066004, China; (X.Z.); (L.L.); (Z.D.); (Y.L.); (W.Z.); (J.C.)
| | - Yafang Rong
- Shandong Zhengyuan Geophysical Information Technology Co., Ltd., Jinan 250000, China;
| | - Chen Dong
- Cixi Institute of Biomedical Engineering, International Cooperation Base of Biomedical Materials Technology and Application, CAS Key Laboratory of Magnetic Materials and Devices, Zhejiang Engineering Research Center for Biomedical Materials, Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, Ningbo 315201, China
- Correspondence: (Y.Z.); (C.D.)
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Facile Synthesis of Multi-Emission Nitrogen/Boron Co-Doped Carbon Dots from Lignin for Anti-Counterfeiting Printing. Polymers (Basel) 2022; 14:polym14142779. [PMID: 35890555 PMCID: PMC9316793 DOI: 10.3390/polym14142779] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2022] [Revised: 06/30/2022] [Accepted: 07/02/2022] [Indexed: 11/20/2022] Open
Abstract
The transformation of lignin with natural aromatic structure into value-added carbon dots (CDs) achieves a win-win situation for low-cost production of novel nanomaterials and reasonable disposal of biomass waste. However, it remains challenging to produce multi-emission CDs from biomass for advanced applications. Herein, a green and facile approach to preparing multi-emission CDs from alkali lignin via N and B co-doping is developed. The obtained N and B co-doped CDs (NB-CDs) show multi-emission fluorescence centers at 346, 428 and 514 nm under different excitations. As the doping amount of N and B increases, the fluorescence emission band gradually shifts to 428 and 514 nm, while that at 346 nm decreases. The fluorescence mechanism is explored through the research of the structure, composition and optical performance of NB-CDs in combination with density functional theory (DFT) calculations. It demonstrates that the effect of doping with B-containing functional groups on the fluorescence emission behavior is multivariate, which may be the crucial contribution to the unique multi-emission fluorescence of CDs. The multi-emission NB-CDs with prominent stability are applied for multilevel anti-counterfeiting printing. It provides a promising direction for the sustainable and advanced application of biomass-derived CDs, and the theoretical results highlight a new insight into the deep understanding of the multi-emission fluorescence mechanism.
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Zhu L, Shen D, Hong Luo K. Triple-emission nitrogen and boron co-doped carbon quantum dots from lignin: Highly fluorescent sensing platform for detection of hexavalent chromium ions. J Colloid Interface Sci 2022; 617:557-567. [PMID: 35303639 DOI: 10.1016/j.jcis.2022.03.039] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2022] [Revised: 03/08/2022] [Accepted: 03/09/2022] [Indexed: 12/24/2022]
Abstract
Considering that hexavalent chromium ions (Cr6+) with high toxicity poses a huge threat to human health and the ecological environment, constructing a rapid and accurate sensing platform is of great significance in detecting the toxic substance. The novel nitrogen and boron co-doped carbon quantum dots (N, B-CQDs) from lignin are synthesized as fluorescent sensors for the detection of Cr6+. The synthetic processes involve the acid hydrolysis step followed by the hydrothermal treatment step. Lignin is firstly depolymerized by cleaving ether bonds in the acidolysis, and N, B-CQDs are consequently formed by the aromatic re-fusion of lignin nanoparticles in the hydrothermal process. The lignin-derived N, B-CQDs show triple emission of purple, blue and green fluorescence under the excitation of 300, 330, and 490 nm, respectively. The triple-emission N, B-CQDs are applied for the triple-channel detection of Cr6+, which exhibit highly sensitive and selective fluorescence quenching for Cr6+ with good linearity (R2 ≤ 0.996) and very low limit of detection as 0.054, 0.049, and 0.077 μM under the excitation of 300, 330 and 490 nm, respectively. The utilization of renewable lignin as CQDs-based fluorescent sensors opens a new avenue for the rapid and accurate detection of Cr6+ through a multichannel sensing platform.
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Affiliation(s)
- Lingli Zhu
- Key Laboratory of Energy Thermal Conversion and Control of Ministry of Education, School of Energy and Environment, Southeast University, Nanjing 210096, PR China
| | - Dekui Shen
- Key Laboratory of Energy Thermal Conversion and Control of Ministry of Education, School of Energy and Environment, Southeast University, Nanjing 210096, PR China.
| | - Kai Hong Luo
- Department of Mechanical Engineering, University College London, London WC1E7JE, UK
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35
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Photonic crystal films with upconversion luminescence based on the self-assembly of polystyrene encapsulated NaYF4:Ln3+ composite microspheres for dual-mode optical code. REACT FUNCT POLYM 2022. [DOI: 10.1016/j.reactfunctpolym.2022.105224] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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