1
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Marković ZM, Milivojević DD, Kovač J, Todorović Marković BM. Phloroglucinol-Based Carbon Quantum Dots/Polyurethane Composite Films: How Structure of Carbon Quantum Dots Affects Antibacterial and Antibiofouling Efficiency of Composite Films. Polymers (Basel) 2024; 16:1646. [PMID: 38931997 PMCID: PMC11207477 DOI: 10.3390/polym16121646] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2024] [Revised: 05/30/2024] [Accepted: 06/02/2024] [Indexed: 06/28/2024] Open
Abstract
Nowadays, bacteria resistance to many antibiotics is a huge problem, especially in clinics and other parts of the healthcare system. This critical health issue requires a dynamic approach to produce new types of antibacterial coatings to combat various pathogen microbes. In this research, we prepared a new type of carbon quantum dots based on phloroglucinol using the bottom-up method. Polyurethane composite films were produced using the swell-encapsulation-shrink method. Detailed electrostatic force and viscoelastic microscopy of carbon quantum dots revealed inhomogeneous structure characterized by electron-rich/soft and electron-poor/hard regions. The uncommon photoluminescence spectrum of carbon quantum dots core had a multipeak structure. Several tests confirmed that carbon quantum dots and composite films produced singlet oxygen. Antibacterial and antibiofouling efficiency of composite films was tested on eight bacteria strains and three bacteria biofilms.
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Affiliation(s)
- Zoran M. Marković
- Vinča Institute of Nuclear Sciences, National Institute of the Republic of Serbia, University of Belgrade, 11158 Belgrade, Serbia;
| | - Dušan D. Milivojević
- Vinča Institute of Nuclear Sciences, National Institute of the Republic of Serbia, University of Belgrade, 11158 Belgrade, Serbia;
| | - Janez Kovač
- Department of Surface Engineering, Jozef Stefan Institute, Jamova 39, SI-1000 Ljubljana, Slovenia;
| | - Biljana M. Todorović Marković
- Vinča Institute of Nuclear Sciences, National Institute of the Republic of Serbia, University of Belgrade, 11158 Belgrade, Serbia;
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2
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Zhu Y, Zhu M, Zhou Q, Shu Q, Tan K. The novel up/down-conversion dual-emission carbon dots for dual-channel ratiometric fluorescence detection of pH and Cu 2. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2024; 320:124648. [PMID: 38885570 DOI: 10.1016/j.saa.2024.124648] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/27/2023] [Revised: 06/08/2024] [Accepted: 06/10/2024] [Indexed: 06/20/2024]
Abstract
Up/down-conversion dual-emission carbon dots (U/D-CDs) are rare and have potential in analytical sensing. Herein, a kind of novel U/D-CDs was prepared successfully by a one-step solvothermal method. The prepared U/D-CDs exhibited similar dual-emission behaviors at excitation wavelengths of 300 nm and 680 nm, respectively. In addition, U/D-CDs displayed good photostability and salt-resistance. Due to the protonation-deprotonation, U/D-CDs showed strong pH dependence in the pH range of 2.0-8.0, which developed an up/down-conversion dual-channel ratiometric fluorescence (FL) probe of pH. The FL intensity of U/D-CDs can be effectively quenched by Cu2+ through the static quenching effect. Meanwhile, an obvious color change from yellow-green to blue can be observed under ultraviolet light with the increase of Cu2+ concentration. The up/down-conversion dual-channel ratiometric fluorescence sensor can be used for the visual sensing of pH and Cu2+, which also eliminates background signals and improves its accuracy and selectivity in complex samples.
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Affiliation(s)
- Yulin Zhu
- Key Laboratory of Luminescence Analysis and Molecular Sensing, Ministry of Education, College of Chemistry and Chemical Engineering, Southwest University, Chongqing, 400715, P. R. China
| | - Mengqi Zhu
- Key Laboratory of Luminescence Analysis and Molecular Sensing, Ministry of Education, College of Chemistry and Chemical Engineering, Southwest University, Chongqing, 400715, P. R. China
| | - Qiuju Zhou
- Key Laboratory of Luminescence Analysis and Molecular Sensing, Ministry of Education, College of Chemistry and Chemical Engineering, Southwest University, Chongqing, 400715, P. R. China
| | - Qunwei Shu
- School of Chemical Engineering, Guizhou Institute of Technology, Guiyang 550003, China.
| | - Kejun Tan
- Key Laboratory of Luminescence Analysis and Molecular Sensing, Ministry of Education, College of Chemistry and Chemical Engineering, Southwest University, Chongqing, 400715, P. R. China.
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3
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Nazar M, Hasan M, Wirjosentono B, Gani BA, Nada CE. Microwave Synthesis of Carbon Quantum Dots from Arabica Coffee Ground for Fluorescence Detection of Fe 3+, Pb 2+, and Cr 3. ACS OMEGA 2024; 9:20571-20581. [PMID: 38737012 PMCID: PMC11079894 DOI: 10.1021/acsomega.4c02254] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/07/2024] [Revised: 04/04/2024] [Accepted: 04/11/2024] [Indexed: 05/14/2024]
Abstract
In this study, carbon quantum dots (CQDs), which were synthesized from arabica coffee ground-derived activated carbon, have been successfully employed as a fluorescence sensor to detect Fe3+ ions. CQDs were fabricated using microwave heating for 5-10 min, which emitted vibrant blue light at 455 nm when exposed to excitation at 365 nm. Dynamic light scattering (DLS) analysis revealed that the average size of CQDs was 10.12 nm with a quantum yield of 6.01%. Fluorescence detection was developed for sensing Fe3+, Pb2+, and Cr3+ ions. The addition of the three metal ions resulted in a decrease in the fluorescence (FL) intensity of the CQDs, with the addition of Fe3+ ions demonstrating a more significant decrease in FL compared to the addition of both Cr3+ and Pb2+ ions. The results indicated that the CQDs synthesized from activated carbon of arabica coffee waste performed as a selective fluorescent detector for Fe3+ ions, with a detection limit of 0.27 μM.
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Affiliation(s)
- Muhammad Nazar
- Graduate
School of Mathematics and Applied Sciences, Universitas Syiah Kuala, Banda Aceh 23111, Indonesia
- Department
of Chemistry Education, Universitas Syiah
Kuala, Kopelma Darussalam, Banda Aceh 23111, Indonesia
| | - Muhammad Hasan
- Department
of Chemistry Education, Universitas Syiah
Kuala, Kopelma Darussalam, Banda Aceh 23111, Indonesia
| | | | - Basri A. Gani
- Department
of Oral Biology, Dentistry Faculty, Universitas
Syiah Kuala, Darussalam, Banda Aceh 23111, Indonesia
| | - Cut Elvira Nada
- Department
of Chemistry Education, Universitas Syiah
Kuala, Kopelma Darussalam, Banda Aceh 23111, Indonesia
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4
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Ghasemlou M, Pn N, Alexander K, Zavabeti A, Sherrell PC, Ivanova EP, Adhikari B, Naebe M, Bhargava SK. Fluorescent Nanocarbons: From Synthesis and Structure to Cancer Imaging and Therapy. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2024; 36:e2312474. [PMID: 38252677 DOI: 10.1002/adma.202312474] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/21/2023] [Revised: 01/08/2024] [Indexed: 01/24/2024]
Abstract
Nanocarbons are emerging at the forefront of nanoscience, with diverse carbon nanoforms emerging over the past two decades. Early cancer diagnosis and therapy, driven by advanced chemistry techniques, play a pivotal role in mitigating mortality rates associated with cancer. Nanocarbons, with an attractive combination of well-defined architectures, biocompatibility, and nanoscale dimension, offer an incredibly versatile platform for cancer imaging and therapy. This paper aims to review the underlying principles regarding the controllable synthesis, fluorescence origins, cellular toxicity, and surface functionalization routes of several classes of nanocarbons: carbon nanodots, nanodiamonds, carbon nanoonions, and carbon nanohorns. This review also highlights recent breakthroughs regarding the green synthesis of different nanocarbons from renewable sources. It also presents a comprehensive and unified overview of the latest cancer-related applications of nanocarbons and how they can be designed to interface with biological systems and work as cancer diagnostics and therapeutic tools. The commercial status for large-scale manufacturing of nanocarbons is also presented. Finally, it proposes future research opportunities aimed at engendering modifiable and high-performance nanocarbons for emerging applications across medical industries. This work is envisioned as a cornerstone to guide interdisciplinary teams in crafting fluorescent nanocarbons with tailored attributes that can revolutionize cancer diagnostics and therapy.
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Affiliation(s)
- Mehran Ghasemlou
- School of Science, STEM College, RMIT University, Melbourne, VIC, 3001, Australia
- Center for Sustainable Products, Deakin University, Waurn Ponds, VIC, 3216, Australia
| | - Navya Pn
- Centre for Advanced Materials and Industrial Chemistry (CAMIC), School of Science, RMIT University, Melbourne, VIC, 3001, Australia
| | - Katia Alexander
- School of Engineering, The Australian National University, Canberra, ACT, 2601, Australia
| | - Ali Zavabeti
- Department of Chemical Engineering, The University of Melbourne, Parkville, VIC, 3010, Australia
| | - Peter C Sherrell
- School of Science, STEM College, RMIT University, Melbourne, VIC, 3001, Australia
- Department of Chemical Engineering, The University of Melbourne, Parkville, VIC, 3010, Australia
| | - Elena P Ivanova
- School of Science, STEM College, RMIT University, Melbourne, VIC, 3001, Australia
| | - Benu Adhikari
- School of Science, STEM College, RMIT University, Melbourne, VIC, 3001, Australia
- Centre for Advanced Materials and Industrial Chemistry (CAMIC), School of Science, RMIT University, Melbourne, VIC, 3001, Australia
| | - Minoo Naebe
- Carbon Nexus, Institute for Frontier Materials, Deakin University, Waurn Ponds, VIC, 3216, Australia
| | - Suresh K Bhargava
- School of Science, STEM College, RMIT University, Melbourne, VIC, 3001, Australia
- Centre for Advanced Materials and Industrial Chemistry (CAMIC), School of Science, RMIT University, Melbourne, VIC, 3001, Australia
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5
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Vijeata A, Chaudhary GR, Chaudhary S. Lateral flow assemblies and allied application of carbon quantum dots derived from cigarette tobacco in biosensing, anticounterfeiting and fluorescent films: Theoretical and experimental overview. CHEMOSPHERE 2024; 355:141812. [PMID: 38554865 DOI: 10.1016/j.chemosphere.2024.141812] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/21/2024] [Revised: 03/13/2024] [Accepted: 03/25/2024] [Indexed: 04/02/2024]
Abstract
The bio-sensing activity of fluorescence based nanoprobes is one of the most significant aspects to scrutinize the analytical pursuance in modern security and lateral flow assays. Herein, potent transmogrification of waste cigarette tobacco into fluorescent carbon quantum dots (CQDs) has been achieved by calcination approach. The waste transformation to CQDs holds diverse benefits, comprising high quantum yield, low toxicity and scale up synthesis. The developed CQDs were able to identify tetracycline with phenomenal selectivity and sensitivity through fluorescence based method. The sensing mechanism was fully explored using Density Functional Theory (DFT) and Molecular docking studies. Governing features comprising tetracycline concentration, interfering studies, and real water analysis on the identification of tetracycline were also investigated. Along with, the prepared CQDs act as colorimetric probe, facilitating the detection of tetracycline with the naked eye. The lateral flow device was constructed for the on-site detection of tetracycline in real water samples. To the best of our knowledge, the present work represents a novel approach to designing CQDs and demonstrates their significant potential for application in anticounterfeiting measures and lateral flow devices. This work holds significant prospective as the prepared CQDs was fully utilized to its maximum usage in developing films and fluorescent anti-counterfeiting applications. Concisely, current work opens up distinctive opportunities for rapid on-site, real-time and visualized surveillance of tetracycline using CQDs prepared with a quite simple green approach.
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Affiliation(s)
- Anjali Vijeata
- Department of Chemistry and Centre of Advanced Studies in Chemistry, Panjab University, Chandigarh 160014, India
| | - Ganga Ram Chaudhary
- Department of Chemistry and Centre of Advanced Studies in Chemistry, Panjab University, Chandigarh 160014, India
| | - Savita Chaudhary
- Department of Chemistry and Centre of Advanced Studies in Chemistry, Panjab University, Chandigarh 160014, India.
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6
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Raveendran P T V, C A, Neeroli Kizhakayil R. Fe 3+-induced luminescence quenching in carbon dots - mechanism unveiled. ANALYTICAL METHODS : ADVANCING METHODS AND APPLICATIONS 2024; 16:2349-2358. [PMID: 38563425 DOI: 10.1039/d3ay02202a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/04/2024]
Abstract
Carbon dot (CD)-based fluorimetric sensors have attracted immense attention for the detection of metal ions. Among the available works in this direction, more than 70% of the studies reported the detection of Fe3+ through luminescence quenching. Ferric ions are significant species from environmental and biological point of view. Excited-state electron transfer from carbon dots to ferric ions is suggested as the reason for the luminescence quenching. However, to date, no solid proof was provided to demonstrate this electron transfer process. Herein, N-doped blue luminescent carbon dots prepared via hydrothermal carbonization are used to demonstrate the exact mechanism operating in the above-mentioned detection strategy. The carbon dots possessed an average size of 4.9 nm, and exhibited good aqueous solubility as well as an excitation wavelength-dependent emission. Fe3+-mediated luminescence quenching was quantitatively achieved at the micromolar level, with a detection limit of 1.426 μM. The CD-mediated reduction of ferric ions is confirmed by spectral analysis. Fe3+-induced luminescence quenching was partially restored in the presence of ascorbic acid, enabling the sub-micromolar level monitoring of this analyte, with the lowest detection amount of 276 nM. Turnbull's blue method is adopted for confirming the reducing role of ascorbic acid, which eventually increased the luminescence of the system, evoking a turn-on response.
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Affiliation(s)
- Varsha Raveendran P T
- Advanced Materials Research Centre, Department of Chemistry, University of Calicut, Kerala-673 635, India.
| | - Anjali C
- Advanced Materials Research Centre, Department of Chemistry, University of Calicut, Kerala-673 635, India.
| | - Renuka Neeroli Kizhakayil
- Advanced Materials Research Centre, Department of Chemistry, University of Calicut, Kerala-673 635, India.
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7
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Sushma, Sharma S, Ghosh KS. Applications of Functionalized Carbon-Based Quantum Dots in Fluorescence Sensing of Iron(III). J Fluoresc 2024:10.1007/s10895-024-03611-1. [PMID: 38411860 DOI: 10.1007/s10895-024-03611-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2023] [Accepted: 01/30/2024] [Indexed: 02/28/2024]
Abstract
Iron, an essential trace element exhibits detrimental effects on human health when present at higher or lower concentration than the required. Therefore, there is a pressing demand for sensitive and selective detection of Fe3+ in water, food etc. Unfortunately, in several instances, the traditional approaches suffer from a number of shortcomings like complicated procedures, limited sensitivity, poor selectivity and more expensive and time consuming. The scope of optical tuning and excellent photophysical properties of carbon- based nanomaterials like carbon dots (C-dots) and graphene dots (g-dots) have made them promising optical sensors of metal ions. Moreover, high surface area, superior stability of such materials contributes towards the fruitful development of sensors. The present review offered critical information on the fabrication and fluorimetric applications of these functional nanomaterials for sensitive and selective detection of Fe3+. An in-depth discussion on fluorescent C-dots made from naturally occurring materials and chemical techniques were presented. Effect of doping in C-dots was also highlighted in terms of improved fluorescence response and selectivity. In a similar approach g-dots were also discussed. Many of these sensors exhibited great selectivity, superior sensitivity, high quantum yield, robust chemical and photochemical stability and real-time applicability. Further improvement in these factors can be targeted to develop new sensors.
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Affiliation(s)
- Sushma
- Department of Chemistry, National Institute of Technology Hamirpur, Hamirpur, H.P. 177005, India
| | - Shivani Sharma
- Department of Chemistry, National Institute of Technology Hamirpur, Hamirpur, H.P. 177005, India
| | - Kalyan Sundar Ghosh
- Department of Chemistry, National Institute of Technology Hamirpur, Hamirpur, H.P. 177005, India.
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8
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Kayani KF, Shatery OBA, Mustafa MS, Alshatteri AH, Mohammed SJ, Aziz SB. Environmentally sustainable synthesis of whey-based carbon dots for ferric ion detection in human serum and water samples: evaluating the greenness of the method. RSC Adv 2024; 14:5012-5021. [PMID: 38332781 PMCID: PMC10851185 DOI: 10.1039/d3ra08680a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2023] [Accepted: 01/29/2024] [Indexed: 02/10/2024] Open
Abstract
Carbon dots (CDs) are valued for their biocompatibility, easy fabrication, and distinct optical characteristics. The current study examines using whey to fabricate CDs using the hydrothermal method. When stimulated at 350 nm, the synthetic CDs emitted blue light at 423 nm and revealed a selective response to ferric ion (Fe3+) in actual samples with great sensitivity, making them a suitable probe for assessing Fe3+ ions. The produced carbon dots demonstrated great photostability, high sensitivity, and outstanding biocompatibility. The findings showed that Fe3+ ions could be quickly, sensitively, and extremely selectively detected in an aqueous solution of carbon dots, with a revealing limit of 0.409 μM in the linear range of 0-180 μM. Interestingly, this recognition boundary is far inferior to the WHO-recommended threshold of 0.77 μM. Two metric tools which were AGREE and the ComplexGAPI were also used to evaluate the method's greenness. The evaluation confirmed its superior environmental friendliness.
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Affiliation(s)
- Kawan F Kayani
- Department of Chemistry, College of Science, University of Sulaimani Qliasan St 46002 Sulaimani City Kurdistan Region Iraq
- Department of Chemistry, College of Science, Charmo University Peshawa Street, Chamchamal Sulaimani City 46023 Iraq
| | - Omer B A Shatery
- Department of Chemistry, College of Science, University of Sulaimani Qliasan St 46002 Sulaimani City Kurdistan Region Iraq
| | - Muhammad S Mustafa
- Department of Chemistry, College of Science, University of Sulaimani Qliasan St 46002 Sulaimani City Kurdistan Region Iraq
| | - Azad H Alshatteri
- Department of Chemistry, College of Education, University of Garmian Kalar 46021 Sulaimani Kurdistan Region Iraq
| | - Sewara J Mohammed
- Anesthesia Department, College of Health Sciences, Cihan University Sulaimaniya Sulaimaniya 46001 Kurdistan Region Iraq
- Hameed Majid Advanced Polymeric Materials Research Lab., Research and Development Center, University of Sulaimani Qlyasan Street Sulaymaniyah Kurdistan Region 46001 Iraq
| | - Shujahadeen B Aziz
- Hameed Majid Advanced Polymeric Materials Research Lab., Research and Development Center, University of Sulaimani Qlyasan Street Sulaymaniyah Kurdistan Region 46001 Iraq
- Department of Physics, College of Science, Charmo University Chamchamal 46023 Sulaymaniyah Iraq
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9
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Li C, Liu L, Zhang D. Aggregation enhanced emissive orange carbon dots for information encryption and detection of Fe 3+ and tetracycline. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2024; 305:123504. [PMID: 37866262 DOI: 10.1016/j.saa.2023.123504] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/21/2023] [Revised: 09/22/2023] [Accepted: 10/07/2023] [Indexed: 10/24/2023]
Abstract
In this study, N-doped fluorescent carbon dots with aggregation enhanced emission (N-CDs) were synthesized by a simple and rapid microwave-assisted method using o-phenylenediamine (OPD) and urea as raw materials and water as solvent. The fluorescence quantum yield of N-CDs was 20.64 %. N-CDs can be applied as invisible inks for message encryption. Furthermore, the fluorescence intensity of N-CDs can be quenched by Fe3+ and enhanced by tetracycline (TC). Therefore, two fluorescent probes were simultaneously designed in this study. Namely, "turn-off" fluorescence probe for Fe3+ and "turn-on" fluorescence probe for TC. The linear detection range of Fe3+ is from 1 to 70 μM, and detection limit is 0.1011 μM; the linear detection range of TC is from 0.1 to 10 μM, and the detection limit can be as low as 0.0555 μM. In this paper, the mutual interference between Fe3+ and TC was investigated for the first time. The detection of Fe3+ and TC was made more accurate by optimizing pH conditions and adding masking agent.
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Affiliation(s)
- Chunyan Li
- College of Chemical and Pharmaceutical Engineering, Hebei University of Science and Technology, Shijiazhuang 050018, China
| | - Lei Liu
- College of Chemical and Pharmaceutical Engineering, Hebei University of Science and Technology, Shijiazhuang 050018, China; Hebei Provincial Key Laboratory of Medicinal Molecular Chemistry - State Key Laboratory Breeding Base, Shijiazhuang 050018, China.
| | - Daohan Zhang
- College of Chemical and Pharmaceutical Engineering, Hebei University of Science and Technology, Shijiazhuang 050018, China
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10
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Krishnaiah P, Atchudan R, Perumal S, Gangadaran P, Manoj D, Ahn BC, Kumar RS, Almansour AI, Lee YR, Jeon BH. Multifunctional carbon dots originated from waste garlic peel for rapid sensing of heavy metals and fluorescent imaging of 2D and 3D spheroids cultured fibroblast cells. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2024; 304:123422. [PMID: 37734247 DOI: 10.1016/j.saa.2023.123422] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/25/2023] [Revised: 09/01/2023] [Accepted: 09/15/2023] [Indexed: 09/23/2023]
Abstract
Here, we prepared sulfur and nitrogen self-doped carbon dots derived from garlic peel extract (GPSNCDs) using a hydrothermal method. The as-synthesized GPSNCDs were confirmed using Fourier-transform infrared spectroscopy, X-ray diffraction, X-ray photoelectron spectroscopy, and transmission electron microscopy. The analytical techniques indicate that the resulting GPSNCDs exhibit distinct emissive carbon-core with functionalities (owing to various ligands in the GPSNCDs). These functionalities are responsible for excellent hydrophilic and optical properties, including excitation-dependent emission and anti-photobleaching. Fluorescence intensities of GPSNCDs were quenched in the existence of Mn2+ and Fe3+ ions. This indicates that the GPSNCDs were sensitive to Fe3+ and Mn2+ ions with a limited range from 5 to 50 µM and showed lower recognition at ∼0.75 and 0.95 µM, respectively. In addition, the sensing results were generated in a short time (20 s). The cytotoxicity of GPSNCDs was tested to demonstrate that they are sufficiently safe to use for cellular imaging. The novel fluorescent GPSNCDs-based sensor can be used as a high-performance sensor for environmental monitoring. Further, GPSNCDs showed greater biocompatibility with normal fibroblast cells, and In Vitro fluorescent imaging of GPSNCDs revealed strong fluorescence signals in the two-dimensional (2D) and three-dimensional (3D) spheroids cultured fibroblast cells. The properties mentioned above demonstrate that the GPSNCDs can be applied to imaging normal cells without further modifications.
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Affiliation(s)
- Prakash Krishnaiah
- Department of Earth Resources and Environmental Engineering, Hanyang University, 222, Wangsimni-ro, Seongdong-gu, Seoul 04763, South Korea
| | - Raji Atchudan
- School of Chemical Engineering, Yeungnam University, Gyeongsan 38541, Republic of Korea; Department of Chemistry, Saveetha School of Engineering, Saveetha Institute of Medical and Technical Sciences, Chennai 602105, Tamil Nadu, India.
| | - Suguna Perumal
- Department of Chemistry, Sejong University, Seoul 143‑747, Republic of Korea
| | - Prakash Gangadaran
- BK21 FOUR KNU Convergence Educational Program of Biomedical Sciences for Creative Future Talents, Department of Biomedical Science, School of Medicine, Kyungpook National University, Daegu 41944, Republic of Korea; Department of Nuclear Medicine, School of Medicine, Kyungpook National University, Kyungpook National University Hospital, Daegu 41944, Republic of Korea
| | - Devaraj Manoj
- Department of Chemistry, Karpagam Academy of Higher Education, Coimbatore 641021, Tamil Nadu, India; Centre for Material Chemistry, Karpagam Academy of Higher Education, Coimbatore 641021, Tamil Nadu, India
| | - Byeong-Cheol Ahn
- BK21 FOUR KNU Convergence Educational Program of Biomedical Sciences for Creative Future Talents, Department of Biomedical Science, School of Medicine, Kyungpook National University, Daegu 41944, Republic of Korea; Department of Nuclear Medicine, School of Medicine, Kyungpook National University, Kyungpook National University Hospital, Daegu 41944, Republic of Korea
| | - Raju Suresh Kumar
- Department of Chemistry, College of Science, King Saud University, Riyadh 11451, Saudi Arabia
| | - Abdulrahman I Almansour
- Department of Chemistry, College of Science, King Saud University, Riyadh 11451, Saudi Arabia
| | - Yong Rok Lee
- School of Chemical Engineering, Yeungnam University, Gyeongsan 38541, Republic of Korea.
| | - Byong-Hun Jeon
- Department of Earth Resources and Environmental Engineering, Hanyang University, 222, Wangsimni-ro, Seongdong-gu, Seoul 04763, South Korea.
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11
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Pansari P, Durga G, Sharma R. Carbon nanoprobe derived from Nyctanthes arbor-tristis flower: Unveiling the surface defect-derived fluorescence. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2023; 303:123119. [PMID: 37478708 DOI: 10.1016/j.saa.2023.123119] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/26/2023] [Revised: 05/24/2023] [Accepted: 07/07/2023] [Indexed: 07/23/2023]
Abstract
Dual Emissive (green and blue) Carbon dots (C-Dots) aka g-CD and b-CD were synthesized using flowers of Nyctanthes arbortristis as the sole precursor via hydrothermal method without the aid of any external passivating agent. In the present report, the effect of time and temperature on the hydrothermal reaction was evaluated in order to modulate the surface defects that could lead to dual emissions. To gauge the nature, size, morphology, and optoelectronic characteristics, the C-Dots were characterized using high-resolution transmission electron microscopy (HRTEM), X-ray photoelectron spectroscopy (XPS), Fourier-transform infrared spectroscopy (FTIR), UV-Vis spectroscopy and Fluorescence spectroscopy. The fluorescence studies of both the Carbon Dots revealed their excitation-dependent emission characteristics with the bathochromic shift. Furthermore, both g-CD and b-CD could effectively be utilized as efficient fluorescent probes for the selective and sensitive detection of Fe3+. These fluorescent nanoprobes could selectively detect Fe3+ over a wide range of concentrations (3 µM to 100 µM) with limit of detection (LOD) as low as 0.06 µM and 0.70 µM respectively. These tuneable Carbon Dots having wider solubilities would open a new avenue as Nanosensors for real-time applications.
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Affiliation(s)
- Pratibha Pansari
- Department of Chemistry and Biochemistry, School of Basic Sciences and Research, Sharda University, Greater Noida 201306, U.P., India
| | - Geeta Durga
- Department of Chemistry and Biochemistry, School of Basic Sciences and Research, Sharda University, Greater Noida 201306, U.P., India.
| | - Roopali Sharma
- Department of Chemistry and Biochemistry, School of Basic Sciences and Research, Sharda University, Greater Noida 201306, U.P., India
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Nair A, Kuppusamy K, Nangan S, Natesan T, Haponiuk JT, Thomas S, Ramasubburayan R, Gnanasekaran L, Selvaraj M, Gopi S. Multifunctional natural derived carbon quantum dots from Withania somnifera (L.) - Antiviral activities against SARS-CoV-2 pseudoviron. ENVIRONMENTAL RESEARCH 2023; 239:117366. [PMID: 37827368 DOI: 10.1016/j.envres.2023.117366] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/29/2023] [Revised: 09/28/2023] [Accepted: 10/09/2023] [Indexed: 10/14/2023]
Abstract
Natural carbon dots (NCQDs) are expediently significant in the photo-, nano- and biomedical spheres owing to their facile synthesis, optical and physicochemical attributes. In the present study, three NCQDs are prepared and optimized from Withania somnifera (ASH) by one-step hydrothermal (bottom-up) method: HASHP (without dopant), nitrogen doped HASHNH3 (surface passivation using ammonia) and HASHEDA (surface passivation with ethylenediamine). The HR-TEM images reveal that HASHP, HASNH3, HASHEDA are spherically shaped with 2.5 ± 0.5 nm, 4 ± 1 nm and 5 ± 2 nm particle size, respectively, whereas FTIR confirms the aqueous solubility and nitrogen doping. The XRD patterns ensure that the NCQDs are amorphous and graphitic in nature. Comparatively, HASHNH3 (32.5%) and HASHEDA (27.6%) portray better fluorescence quantum yield than HASHP (5.6%). The increase in quantum yield for the doped NCQDs can be attributed to the surface passivation using ammonia and ethylenediamine. Surface passivation plays a crucial role in enhancing the fluorescence properties of quantum dots. The introduction of nitrogen through ammonia and ethylenediamine provides additional electronic states, possibly reducing non-radiative recombination sites and hence boosting the QY. In addition, an antiviral study unveils the striking potential of surface passivated NCQDs to curb Covid-19 crises with around 85% inhibition of SARS-CoV pseudoviron cells, which is better in comparison to the non-doped NCQDs. Hence, to understand the paramount efficacy of these NCQDs, a hypothesis on their possible mechanism of action against Covid-19 is discussed.
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Affiliation(s)
- Akhila Nair
- Gdansk University of Technology, Faculty of Chemistry, Polymer Technology Department, Gdansk, Poland
| | - Kanagaraj Kuppusamy
- Center for Supramolecular Chemistry & Catalysis and Department of Chemistry, College of Science, Shanghai University, 99 Shang-Da Road, Shanghai, 200444, China
| | - Senthilkumar Nangan
- Department of Chemistry, Graphic Era Deemed to be University, Dehradun, Uttarakhand, 248002, India
| | - Thirumalaivasan Natesan
- Department of Periodontics, Saveetha Dental College and Hospitals, Saveetha Institute of Medical and Technical Sciences (SIMATS), Saveetha University, Chennai, 600077, Tamil Nadu, India
| | - Jozef T Haponiuk
- Gdansk University of Technology, Faculty of Chemistry, Polymer Technology Department, Gdansk, Poland
| | - Sabu Thomas
- School of Chemical Sciences, Mahatma Gandhi University, Kottayam, India
| | - Ramasamy Ramasubburayan
- Marine Biomedical Research Laboratory & Environmental Toxicology Unit, Department of Prosthodontics, Saveetha Dental College and Hospitals, Saveetha Institute of Medical and Technical Sciences (SIMATS), Saveetha University, Chennai, India
| | - Lalitha Gnanasekaran
- Departamento de Ingeniería Mecánica, Facultad de Ingeniería, Universidad de Tarapacá, Avda. General Velásquez 1775, Arica, Chile
| | - Manickam Selvaraj
- Department of Chemistry, Faculty of Science, King Khalid University, Abha, 61413, Saudi Arabia
| | - Sreeraj Gopi
- Gdansk University of Technology, Faculty of Chemistry, Polymer Technology Department, Gdansk, Poland; Molecules Food Solutions Private Limited, Kinfra, Koratty, 680309, Kerala, India.
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13
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Lin S, Lai C, Huang Z, Liu W, Xiong L, Wu Y, Jin Y. Sustainable synthesis of lignin-derived carbon dots with visible pH response for Fe 3+ detection and bioimaging. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2023; 302:123111. [PMID: 37437461 DOI: 10.1016/j.saa.2023.123111] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/25/2023] [Revised: 06/05/2023] [Accepted: 07/05/2023] [Indexed: 07/14/2023]
Abstract
Synthesis of lignin-based carbon dots (LCDs) with high quantum yield (QY), stable fluorescence properties and biocompatibility has been a challenge. Here, we propose an improved two-step strategy for producing high-quality LCDs from enzymatic hydrolysis lignin (EHL). The p-aminobenzenesulfonic acid used in the strategy not only provides nitrogen and sulfur elements, but also tailors the disordered three-dimensional structure of EHL. The successful co-doping of N and S elements favors the reduction of the optical energy bandgap (Eg), resulting in a high QY of 45.05% for LCDs. The LCDs exhibited superior selectivity and sensitivity for Fe3+ with a limit of detection (LOD) of 0.15 μM when Fe3+ concentration was 50-500 μM. In addition, LCDs demonstrated significant fluorescence in HepG2 cells and HepG2 cells loaded with LCDs at a concentration of 80 μg/mL showed good viability, suggesting that they are suitable for in vivo applications. The luminescent centers of LCDs change during pH regulation and thus show a special visual response to pH changes, making them have great potential for detecting metabolism in living cells. This work provides a novel and low-cost method for fabricating sustainable fluorescent probes for chemical sensing and bioimaging.
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Affiliation(s)
- Simin Lin
- College of Materials Science and Engineering, Fuzhou University, Fuzhou 350108, China
| | - Chunmei Lai
- College of Chemistry, Fuzhou University, Fuzhou 350108, China
| | - Zejie Huang
- College of Materials Science and Engineering, Fuzhou University, Fuzhou 350108, China
| | - Wei Liu
- Fujian College Association Instrumental Analysis Center of Fuzhou University, Fuzhou University, Fuzhou 350108, China
| | - Lei Xiong
- College of Materials Science and Engineering, Fuzhou University, Fuzhou 350108, China
| | - Yuxin Wu
- College of Materials Science and Engineering, Fuzhou University, Fuzhou 350108, China
| | - Yanqiao Jin
- College of Materials Science and Engineering, Fuzhou University, Fuzhou 350108, China.
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14
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Sahana S, Gautam A, Singh R, Chandel S. A recent update on development, synthesis methods, properties and application of natural products derived carbon dots. NATURAL PRODUCTS AND BIOPROSPECTING 2023; 13:51. [PMID: 37953431 PMCID: PMC10641086 DOI: 10.1007/s13659-023-00415-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/22/2023] [Accepted: 11/01/2023] [Indexed: 11/14/2023]
Abstract
Natural resources are practically infinitely abundant in nature, which stimulates scientists to create new materials with inventive uses and minimal environmental impact. Due to the various benefits of natural carbon dots (NCDs) from them has received a lot of attention recently. Natural products-derived carbon dots have recently emerged as a highly promising class of nanomaterials, showcasing exceptional properties and eco-friendly nature, which make them appealing for diverse applications in various fields such as biomedical, environmental sensing and monitoring, energy storage and conversion, optoelectronics and photonics, agriculture, quantum computing, nanomedicine and cancer therapy. Characterization techniques such as Photoinduced electron transfer, Aggregation-Induced-Emission (AIE), Absorbance, Fluorescence in UV-Vis and NIR Regions play crucial roles in understanding the structural and optical properties of Carbon dots (CDs). The exceptional photoluminescence properties exhibited by CDs derived from natural products have paved the way for applications in tissue engineering, cancer treatment, bioimaging, sensing, drug delivery, photocatalysis, and promising remarkable advancements in these fields. In this review, we summarized the various synthesis methods, physical and optical properties, applications, challenges, future prospects of natural products-derived carbon dots etc. In this expanding sector, the difficulties and prospects for NCD-based materials research will also be explored.
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Affiliation(s)
- Soumitra Sahana
- Department of Pharmacognosy, ISF College of Pharmacy, Ghal-Kalan, Moga, Punjab, 142001, India
| | - Anupam Gautam
- Institute for Bioinformatics and Medical Informatics, University of Tübingen, Sand 14, 72076, Tübingen, Germany
- International Max Planck Research School "From Molecules to Organisms", Max Planck Institute for Biology Tübingen, Max-Planck-Ring 5, 72076, Tübingen, Germany
- Cluster of Excellence: EXC 2124: Controlling Microbes to Fight Infection, University of Tübingen, Tübingen, Germany
| | - Rajveer Singh
- Department of Pharmacognosy, ISF College of Pharmacy, Ghal-Kalan, Moga, Punjab, 142001, India.
| | - Shivani Chandel
- Department of Pharmacognosy, ISF College of Pharmacy, Ghal-Kalan, Moga, Punjab, 142001, India.
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15
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Oladzadabbasabadi N, Dheyab MA, Nafchi AM, Ghasemlou M, Ivanova EP, Adhikari B. Turning food waste into value-added carbon dots for sustainable food packaging application: A review. Adv Colloid Interface Sci 2023; 321:103020. [PMID: 37871382 DOI: 10.1016/j.cis.2023.103020] [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: 04/14/2023] [Revised: 09/01/2023] [Accepted: 10/04/2023] [Indexed: 10/25/2023]
Abstract
Carbon dots (CDs) are a recent addition to the nanocarbon family, encompassing both crystalline and amorphous phases. They have sparked significant research interest due to their unique electrical and optical properties, remarkable biocompatibility, outstanding mechanical characteristics, customizable surface chemistry, and negligible cytotoxicity. Their current applications are mainly limited to flexible photonic and biomedical devices, but they have also garnered attention for their potential use in intelligent packaging. The conversion of food waste into CDs further contributes to the concept of the circular economy. It provides a comprehensive overview of emerging green technologies, energy-saving reactions, and cost-effective starting materials involved in the synthesis of CDs. It also highlights the unique properties of biomass-derived CDs, focusing on their structural performance, cellular toxicity, and functional characteristics. The application of CDs in the food industry, including food packaging, is summarized in a concise manner. This paper sheds light on the current challenges and prospects of utilizing CDs in the packaging industry. It aims to provide researchers with a roadmap to tailor the properties of CDs to suit specific applications in the food industry, particularly in food packaging.
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Affiliation(s)
| | - Mohammed Ali Dheyab
- School of Physics, Universiti Sains Malaysia, 11800 USM, Pulau Pinang, Malaysia; Department of Physics, College of Science, University of Anbar, 31001 Ramadi, Iraq
| | - Abdorreza Mohammadi Nafchi
- Food Technology Division, School of Industrial Technology, Universiti Sains Malaysia, 11800 Minden, Penang, Malaysia; Department of Food Science and Technology, Damghan Branch, Islamic Azad University, Damghan, Iran
| | - Mehran Ghasemlou
- School of Science, STEM College, RMIT University, Melbourne, VIC 3083, Australia.
| | - Elena P Ivanova
- School of Science, STEM College, RMIT University, Melbourne, VIC 3083, Australia
| | - Benu Adhikari
- School of Science, STEM College, RMIT University, Melbourne, VIC 3083, Australia; Centre for Advanced Materials and Industrial Chemistry (CAMIC), RMIT University, Melbourne, VIC 3001., Australia
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16
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Szczepankowska J, Khachatryan G, Khachatryan K, Krystyjan M. Carbon Dots-Types, Obtaining and Application in Biotechnology and Food Technology. Int J Mol Sci 2023; 24:14984. [PMID: 37834430 PMCID: PMC10573487 DOI: 10.3390/ijms241914984] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2023] [Revised: 09/28/2023] [Accepted: 10/04/2023] [Indexed: 10/15/2023] Open
Abstract
Materials with a "nano" structure are increasingly used in medicine and biotechnology as drug delivery systems, bioimaging agents or biosensors in the monitoring of toxic substances, heavy metals and environmental variations. Furthermore, in the food industry, they have found applications as detectors of food adulteration, microbial contamination and even in packaging for monitoring product freshness. Carbon dots (CDs) as materials with broad as well as unprecedented possibilities could revolutionize the economy, if only their synthesis was based on low-cost natural sources. So far, a number of studies point to the positive possibilities of obtaining CDs from natural sources. This review describes the types of carbon dots and the most important methods of obtaining them. It also focuses on presenting the potential application of carbon dots in biotechnology and food technology.
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Affiliation(s)
- Joanna Szczepankowska
- Faculty of Biotechnology and Horticulture, University of Agriculture in Krakow, Al. Mickiewicza 21, 31-120 Krakow, Poland;
| | - Gohar Khachatryan
- Faculty of Food Technology, University of Agriculture in Krakow, Al. Mickiewicza 21, 31-120 Krakow, Poland; (G.K.); (K.K.)
| | - Karen Khachatryan
- Faculty of Food Technology, University of Agriculture in Krakow, Al. Mickiewicza 21, 31-120 Krakow, Poland; (G.K.); (K.K.)
| | - Magdalena Krystyjan
- Faculty of Food Technology, University of Agriculture in Krakow, Al. Mickiewicza 21, 31-120 Krakow, Poland; (G.K.); (K.K.)
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17
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Muro-Hidalgo JM, Bazany-Rodríguez IJ, Hernández JG, Pabello VML, Thangarasu P. Histamine Recognition by Carbon Dots from Plastic Waste and Development of Cellular Imaging: Experimental and Theoretical Studies. J Fluoresc 2023; 33:2041-2059. [PMID: 36976400 PMCID: PMC10539467 DOI: 10.1007/s10895-023-03201-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2023] [Accepted: 03/03/2023] [Indexed: 03/29/2023]
Abstract
The present work highlights the sustainable approach for the transformation of plastic waste into fluorescent carbon dots (CDs) through carbonization and then they were functionalized with L-cysteine and o-phenylenediamine. CDs which were characterized by different analytical techniques such as X-ray diffraction (XRD), thermogravimetric analysis (TGA), Scanning electron microscopy (SEM), and transmission electron microscopy (TEM) are employed to recognize Cu2+, Fe2+, and Hg2+ ions. The results show that the fluorescence emission was considerably quenched, and it is consistent with the interference and Jobs plots. The detection limit was found to be 0.35µM for Cu(II), 1.38 µM for Hg(II), and 0.51µM Fe(III). The interaction of CDs with metal ions enhances the fluorescence intensity detecting histamine successfully. It shows that plastic waste-based CDs can be applied clinically to detect toxic metals and biomolecules. Moreover, the system was employed to develop the cellular images using Saccharomyces cerevisiae cells with the support of a confocal microscope. Furthermore, theoretical studies were performed for the naphthalene layer (AR) as a model for C-dots, then optimized its structure and analyzed by using the molecular orbital. The obtained TD-DFT spectra coincided with experimental spectra for CDs/M2+/histamine systems.
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Affiliation(s)
- Jessica M Muro-Hidalgo
- Facultad de Química, Universidad Nacional Autónoma de México (UNAM), Ciudad Universitaria, 04510, Mexico City, México
| | - Iván J Bazany-Rodríguez
- Facultad de Química, Universidad Nacional Autónoma de México (UNAM), Ciudad Universitaria, 04510, Mexico City, México
| | - José Guadalupe Hernández
- Centro Tecnológico, Facultad de Estudios Superiores (FES-Aragón), State of Mexico, Universidad Nacional Autónoma de México (UNAM), 57130, Aragon, México
| | - Victor Manuel Luna Pabello
- Facultad de Química, Universidad Nacional Autónoma de México (UNAM), Ciudad Universitaria, 04510, Mexico City, México
| | - Pandiyan Thangarasu
- Facultad de Química, Universidad Nacional Autónoma de México (UNAM), Ciudad Universitaria, 04510, Mexico City, México.
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18
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Yang Z, Yang X, Zhang Y, Fan X, Cao Y, Li Z, Dong C. Detection of oxytetracycline in milk using a novel carbon dots-based fluorescence probe via facile pyrolysis synthesis. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2023:10.1007/s11356-023-28380-5. [PMID: 37353701 DOI: 10.1007/s11356-023-28380-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Subscribe] [Scholar Register] [Received: 03/20/2023] [Accepted: 06/18/2023] [Indexed: 06/25/2023]
Abstract
Amphiphilic blue-fluorescence carbon dots (B-CDs) were synthesized via pyrolysis method with citric acid and oleamine as precursors. B-CDs are monodispersed in ethanol, toluene, and ultrapure water with the average particle sizes of 3.33 nm, 2.05 nm, and 4.12 nm, respectively. The maximum emission wavelength of the B-CDs excitation at 370 nm is located at 459 nm. The B-CDs have good optical properties with excellent photostability. The fluorescence quantum yield (QY) of the as-prepared CDs is as high as 30.17%. The fluorescence of B-CDs is quenched because of static quenching by oxytetracycline. A high selective and sensitive fluorescence probe for detecting oxytetracycline was constructed with a linear range of 1.52-27.60 µg/mL and the detection limit of 0.33 µg/mL. The B-CDs-based fluorescence probe can be applied to analyze oxytetracycline in milk; the recoveries and relative standard are satisfactory. Furthermore, the B-CDs were exploited for imaging of SH-SY5Y cells. The results demonstrate that as-synthesized CDs can serve as a cellular imaging reagent owing to remarkable bioimaging performance. This work provides a new strategy for the detection of oxytetracycline in food.
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Affiliation(s)
- Zhenhua Yang
- Institute of Environmental Science, Shanxi University, Wucheng Road 92#, Taiyuan, 030006, Shanxi Province, China
| | - Xintong Yang
- Institute of Environmental Science, Shanxi University, Wucheng Road 92#, Taiyuan, 030006, Shanxi Province, China
| | - Yuexia Zhang
- Institute of Environmental Science, Shanxi University, Wucheng Road 92#, Taiyuan, 030006, Shanxi Province, China
| | - Xiaopeng Fan
- Institute of Environmental Science, Shanxi University, Wucheng Road 92#, Taiyuan, 030006, Shanxi Province, China
| | - Yujuan Cao
- Institute of Environmental Science, Shanxi University, Wucheng Road 92#, Taiyuan, 030006, Shanxi Province, China
| | - Zhongping Li
- Institute of Environmental Science, Shanxi University, Wucheng Road 92#, Taiyuan, 030006, Shanxi Province, China
| | - Chuan Dong
- Institute of Environmental Science, Shanxi University, Wucheng Road 92#, Taiyuan, 030006, Shanxi Province, China.
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19
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Zhang H, Yang DN, Zhu ZJ, Yang FQ. In situ synthesis of silver nanocomposites on paper substrate for the pre-concentration and determination of iron(III) ions. Microchem J 2023. [DOI: 10.1016/j.microc.2023.108475] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
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20
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Selva Sharma A, Suresh Nair S, Varghese AW, Usha A, Varghese RE, Joseph R, Thekkuveettil A. Dual-Emissive Carbon Dots: Exploring Their Fluorescence Properties for Sensitive Turn-Off-On Recognition of Ferric and Pyrophosphate Ions and Its Application in Fluorometric Detection of the Loop-Mediated Isothermal Amplification Reaction. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2023; 39:5779-5792. [PMID: 37042262 DOI: 10.1021/acs.langmuir.3c00041] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/11/2023]
Abstract
In this study, dual-emissive carbon dots (CDs) were prepared using p-phenylenediamine (pPDA) and phytic acid (PA) precursors via a one-pot-hydrothermal method. The photophysical, morphological, and structural characterization of CDs was carried out using absorption, fluorescence, Fourier transform infrared (FT-IR) spectroscopy, nuclear magnetic resonance (NMR), and high-resolution transmission electron microscopy (HR-TEM) analysis. The as-prepared CDs displayed dual-fluorescence peaks at 525 and 620 nm upon excitation at 450 nm. The CDs showed good photostability and exhibited solvent-dependent fluorescence properties. The solvatochromic behavior of CDs was utilized to detect water content in organic solvents. Furthermore, the dual-emissive property of CDs was utilized for the sequential detection of ferric (Fe3+) and pyrophosphate ions (PPi) by a fluorescence turn-off-on mechanism. The proposed assay showed appreciable fluorescence response toward Fe3+ and PPi with high selectivity and good tolerance for common interfering ions. The potential practical application of the CD probe was ascertained by carrying out the fluorometric detection of PPi to affirm the loop-mediated isothermal amplification (LAMP) reaction specific for Mycobacterium tuberculosis (negative and positive clinical samples).
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Affiliation(s)
- Arumugam Selva Sharma
- Division of Molecular Medicine, Biomedical Technology Wing, Sree Chitra Tirunal Institute for Medical Sciences and Technology, Thiruvananthapuram 695012, India
| | - Swathy Suresh Nair
- Division of Molecular Medicine, Biomedical Technology Wing, Sree Chitra Tirunal Institute for Medical Sciences and Technology, Thiruvananthapuram 695012, India
| | - Amal Wilson Varghese
- Division of Molecular Medicine, Biomedical Technology Wing, Sree Chitra Tirunal Institute for Medical Sciences and Technology, Thiruvananthapuram 695012, India
| | - Anjana Usha
- Division of Molecular Medicine, Biomedical Technology Wing, Sree Chitra Tirunal Institute for Medical Sciences and Technology, Thiruvananthapuram 695012, India
| | - Ria Elza Varghese
- Division of Molecular Medicine, Biomedical Technology Wing, Sree Chitra Tirunal Institute for Medical Sciences and Technology, Thiruvananthapuram 695012, India
| | - Roy Joseph
- Division of Polymeric Medical Devices, Biomedical Technology Wing, Sree Chitra Tirunal Institute for Medical Sciences and Technology, Thiruvananthapuram 695012, India
| | - Anoopkumar Thekkuveettil
- Division of Molecular Medicine, Biomedical Technology Wing, Sree Chitra Tirunal Institute for Medical Sciences and Technology, Thiruvananthapuram 695012, India
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21
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Gedda G, Sankaranarayanan SA, Putta CL, Gudimella KK, Rengan AK, Girma WM. Green synthesis of multi-functional carbon dots from medicinal plant leaves for antimicrobial, antioxidant, and bioimaging applications. Sci Rep 2023; 13:6371. [PMID: 37076562 PMCID: PMC10115846 DOI: 10.1038/s41598-023-33652-8] [Citation(s) in RCA: 11] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2022] [Accepted: 04/17/2023] [Indexed: 04/21/2023] Open
Abstract
In this research work, carbon dots (CDs) were synthesized from the renewable leaves of an indigenous medicinal plant by the one-pot sand bath method, Azadirachta indica. The synthesized CDs were characterized for its optical properties using UV-Vis, Fluorescence and Fourier transform infrared (FT-IR) spectrophotometry and for structural properties using dynamic light scattering (DLS), X-ray Diffraction (XRD) and high resolution Transmission electron microscopy (HR-TEM). The synthesized CDs exhibited concentration dependent biocompatibility when tested in mouse fibroblast L929 cell line. The EC50 values of biomedical studies, free radical scavenging activity (13.87 μgmL-1), and total antioxidant capacity (38 μgmL-1) proved CDs were exceptionally good. These CDs showed an appreciable zone of inhibition when examined on four bacterial (two gram-positive and gram-negative) and two fungal strains at minimum concentrations. Cellular internalisation studies performed on human breast cancer cells (MCF 7- bioimaging) revealed the applicability of CDs in bioimaging, wherein the inherent fluorescence of CDs were utilised. Thus, the CDs developed are potential as bioimaging, antioxidants and antimicrobial agents.
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Affiliation(s)
- Gangaraju Gedda
- Department of Chemistry, School of Engineering, Presidency University, Bangalore, Karnataka, 560064, India
| | - Sri Amruthaa Sankaranarayanan
- Department of Biomedical Engineering, Indian Institute of Technology Hyderabad, Sangareddy, Telangana, 502285, India
| | - Chandra Lekha Putta
- Department of Biomedical Engineering, Indian Institute of Technology Hyderabad, Sangareddy, Telangana, 502285, India
| | - Krishna Kanthi Gudimella
- Department of Chemistry, School of Science, GITAM (Deemed to Be University), Rudraram, Telangana, 502329, India.
| | - Aravind Kumar Rengan
- Department of Biomedical Engineering, Indian Institute of Technology Hyderabad, Sangareddy, Telangana, 502285, India.
| | - Wubshet Mekonnen Girma
- Department of Chemistry, College of Natural Science, Wollo University, P.O. Box: 1145, Dessie, Ethiopia.
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22
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Zulfajri M, Sudewi S, Damayanti R, Huang GG. Rambutan seed waste-derived nitrogen-doped carbon dots with l-aspartic acid for the sensing of Congo red dye. RSC Adv 2023; 13:6422-6432. [PMID: 36845584 PMCID: PMC9944313 DOI: 10.1039/d2ra07620a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2022] [Accepted: 02/10/2023] [Indexed: 02/24/2023] Open
Abstract
In this study, new nitrogen-doped carbon dots (N-CDs) were prepared by utilizing rambutan seed waste and l-aspartic acid as dual precursors (carbon and nitrogen sources) through a hydrothermal treatment method. The N-CDs showed blue emission in solution under UV light irradiation. Their optical and physicochemical properties were examined via UV-vis, TEM, FTIR spectroscopy, SEM, DSC, DTA, TGA, XRD, XPS, Raman spectroscopy, and zeta potential analyses. They showed a strong emission peak at 435 nm and excitation-dependent emission behavior with strong electronic transitions of C[double bond, length as m-dash]C/C[double bond, length as m-dash]O bonds. The N-CDs exhibited high water dispersibility and great optical properties in response to some environmental conditions such as heating temperature, light irradiation, ionic strength, and storage time. They have an average size of 3.07 nm and good thermal stability. Owing to their great properties, they have been used as a fluorescent sensor for Congo red dye. The N-CDs selectively and sensitively detected Congo red dye with a detection limit of 0.035 μM. Moreover, the N-CDs were utilized to detect Congo red in tap and lake water samples. Thus, rambutan seed waste was successfully converted into N-CDs and these functional nanomaterials are promising for use in important applications.
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Affiliation(s)
- Muhammad Zulfajri
- Department of Chemistry Education, Universitas Serambi Mekkah Banda Aceh Aceh 23245 Indonesia
| | - Sri Sudewi
- Department of Pharmacy, Universitas Sam RatulangiManado 95115Indonesia,Department of Medicinal and Applied Chemistry, Kaohsiung Medical UniversityKaohsiung 80708Taiwan
| | - Rizki Damayanti
- Department of Chemistry Education, Universitas Serambi Mekkah Banda Aceh Aceh 23245 Indonesia
| | - Genin Gary Huang
- Department of Medicinal and Applied Chemistry, Kaohsiung Medical UniversityKaohsiung 80708Taiwan
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23
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Siahcheshm P, Heiden P. High quantum yield carbon quantum dots as selective fluorescent turn-off probes for dual detection of Fe2+/Fe3+ ions. J Photochem Photobiol A Chem 2023. [DOI: 10.1016/j.jphotochem.2022.114284] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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24
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Liu X, Wang T, Wang Y. Selective and ratiometric fluorescence sensing of bisphenol A in canned food based on portable fluorescent test strips. Anal Chim Acta 2023; 1240:340728. [PMID: 36641151 DOI: 10.1016/j.aca.2022.340728] [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: 09/16/2022] [Revised: 12/16/2022] [Accepted: 12/17/2022] [Indexed: 12/23/2022]
Abstract
In this study, a conversion method and molecular imprinting technology were used to design molecularly imprinted polymers (MIP)-based ratiometric fluorescence test papers. The ZnO quantum dots (ZnO QDs) acted as the background quantum dots and ZIF-8 raw material. Carbon dots (CDs) were used as the identification signals. The imprinting layer achieved a selective function. Therefore, a ZnO@ZIF-8/CDs@MIPs sensor was designed for the detection of Bisphenol A (BPA). The sensor exhibited a fast response time for BPA detection. In addition, the sensor demonstrated that effective detection of BPA can still be achieved in complex environments. The detection limit of this sensor was 0.778 nM with a linear range of 0-60 nM. The corresponding test solutions exhibited clear changes from blue to yellow. The selectivity experiments results demonstrated that ZnO@ZIF-8/CDs@MIPs only exhibit excellent selective recognition effect for BPA. ZnO@ZIF-8/CDs@MIPs-2 was used for the detection of BPA in canned food and compared with the results of HPLC detection of BPA. The two spiked recovery ranges were 96.58-102.04% and 97.43-103.82%, respectively. In addition, the prepared ZnO@ZIF-8/CDs@MIPs-2 test paper visually recognized BPA under ultraviolet light. This study provides guidelines for the design and application of fluorescent test papers for quick detection in practical applications.
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Affiliation(s)
- Xiqing Liu
- Jingdezhen Ceramic University, School of Materials Science and Engineering, Jingdezhen, 333403, PR China
| | - Tao Wang
- Jingdezhen Ceramic University, School of Materials Science and Engineering, Jingdezhen, 333403, PR China.
| | - Yongqing Wang
- Jingdezhen Ceramic University, School of Materials Science and Engineering, Jingdezhen, 333403, PR China.
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Kaur J, Kaur M, Kansal SK, Umar A, Algadi H. Highly fluorescent nickel based metal organic framework for enhanced sensing of Fe 3+ and Cr 2O 72- ions. CHEMOSPHERE 2023; 311:136832. [PMID: 36257400 DOI: 10.1016/j.chemosphere.2022.136832] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/14/2022] [Revised: 09/24/2022] [Accepted: 10/07/2022] [Indexed: 06/16/2023]
Abstract
Heavy metal contamination has sparked widespread concern among the populace. The significant issues necessitate the creation of high-performance fluorescent pigments that can identify harmful elements in water. The present study deals with metal organic framework [MOF] based on nickel [Ni-BDC MOF]. The Ni-BDC MOF was prepared by facile solvothermal method using nickel nitrate hexahydrate and terephthalic acid ligand as precursors. The MOF was characterized by various techniques in order to examine the crystal, morphological, structural, composition, thermal and optical properties. The detailed characterizations revealed that the synthesized Ni-BDC MOF are well-crystalline with high purity and possessing 3D rhombohedral microcrystals with rough surface. The MOF demonstrate good luminescence performance and excellent water stability. According to the Stern Volmer plot, the tests set up under optimized conditions demonstrate a linear correlation between the fluorescence intensity and concentration of both ions, i.e. Fe3+, and Cr2O72- ions. The linear range and detection limit for Fe3+ and Cr2O72- were found to be 0-1.4 nM and 0.159 nM, and 0-1 nM and 0.120 nM, respectively. The mechanisms for the selective detection of cations and anions were also explored. The recyclability for the prepared MOF was checked up to five cycles which showed excellent stability with just a slight reduction in efficiency. The constructed sensor was also used to assess the presence of Fe3+ and Cr2O72- ions in actual water samples. The results of the different experiments revealed that the prepared MOF is a good material for detecting Fe3+ and Cr2O72- ions.
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Affiliation(s)
- Jasjot Kaur
- Dr. S. S. Bhatnagar University Institute of Chemical Engineering and Technology, Panjab University, Chandigarh, 160014, India
| | - Manjot Kaur
- Dr. S. S. Bhatnagar University Institute of Chemical Engineering and Technology, Panjab University, Chandigarh, 160014, India
| | - Sushil Kumar Kansal
- Dr. S. S. Bhatnagar University Institute of Chemical Engineering and Technology, Panjab University, Chandigarh, 160014, India.
| | - Ahmad Umar
- Department of Chemistry, College of Science and Arts, Najran University, Najran, 11001, Saudi Arabia; Promising Centre for Sensors and Electronic Devices (PCSED), Najran University, Najran, 11001, Saudi Arabia; Department of Materials Science and Engineering, The Ohio State University, Columbus, 43210, OH, USA.
| | - Hassan Algadi
- Promising Centre for Sensors and Electronic Devices (PCSED), Najran University, Najran, 11001, Saudi Arabia; Department of Electrical Engineering, College of Engineering, Najran University, Najran, 11001, Saudi Arabia
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26
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Transformation of bulk MnO2 to fluorescent quantum dots for selective and sensitive detection of ferric ions and ascorbic acid by turn-off-on strategy. J Photochem Photobiol A Chem 2023. [DOI: 10.1016/j.jphotochem.2022.114280] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
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27
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Gollavelli G, Gedda G, Mohan R, Ling YC. Status Quo on Graphene Electrode Catalysts for Improved Oxygen Reduction and Evolution Reactions in Li-Air Batteries. Molecules 2022; 27:molecules27227851. [PMID: 36431956 PMCID: PMC9692502 DOI: 10.3390/molecules27227851] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2022] [Revised: 11/01/2022] [Accepted: 11/07/2022] [Indexed: 11/16/2022] Open
Abstract
Reduced global warming is the goal of carbon neutrality. Therefore, batteries are considered to be the best alternatives to current fossil fuels and an icon of the emerging energy industry. Voltaic cells are one of the power sources more frequently employed than photovoltaic cells in vehicles, consumer electronics, energy storage systems, and medical equipment. The most adaptable voltaic cells are lithium-ion batteries, which have the potential to meet the eagerly anticipated demands of the power sector. Working to increase their power generating and storage capability is therefore a challenging area of scientific focus. Apart from typical Li-ion batteries, Li-Air (Li-O2) batteries are expected to produce high theoretical power densities (3505 W h kg-1), which are ten times greater than that of Li-ion batteries (387 W h kg-1). On the other hand, there are many challenges to reaching their maximum power capacity. Due to the oxygen reduction reaction (ORR) and oxygen evolution reaction (OES), the cathode usually faces many problems. Designing robust structured catalytic electrode materials and optimizing the electrolytes to improve their ability is highly challenging. Graphene is a 2D material with a stable hexagonal carbon network with high surface area, electrical, thermal conductivity, and flexibility with excellent chemical stability that could be a robust electrode material for Li-O2 batteries. In this review, we covered graphene-based Li-O2 batteries along with their existing problems and updated advantages, with conclusions and future perspectives.
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Affiliation(s)
- Ganesh Gollavelli
- Department of Humanities and Basic Sciences, Aditya Engineering College, Surampalem, Jawaharlal Nehru Technological University Kakinada, Kakinada 533437, India
| | - Gangaraju Gedda
- Department of Chemistry, Presidency University, Banglore 560064, India
| | - Raja Mohan
- Department of Chemistry, Presidency University, Banglore 560064, India
| | - Yong-Chien Ling
- Department of Chemistry, National Tsing Hua University, Hsinchu 30013, Taiwan
- Correspondence:
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Bao W, Lan Y, Lu H, Li G, Yu M, Yang J, Wei L, Su Q. A Dual‐Function Carbon Quantum Dot Fluorescent Probe for the Detection of Fe
3+
and Sunset Yellow. ChemistrySelect 2022. [DOI: 10.1002/slct.202202375] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Wenbin Bao
- College of Chemistry and Chemical Engineering Guangxi University Nanning China 530004
| | - Yuwei Lan
- College of Chemistry and Chemical Engineering Guangxi University Nanning China 530004
| | - Haiqin Lu
- College of Light Industry and Food Engineering Guangxi University Nanning China 530004
| | - Guowei Li
- College of Chemistry and Chemical Engineering Guangxi University Nanning China 530004
| | - Meihua Yu
- School of Resources Environment and Materials Guangxi University Nanning China 530004
| | - Jiachu Yang
- College of Chemistry and Chemical Engineering Guangxi University Nanning China 530004
| | - Liubai Wei
- College of Chemistry and Chemical Engineering Guangxi University Nanning China 530004
| | - Qionghua Su
- College of Chemistry and Chemical Engineering Guangxi University Nanning China 530004
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29
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Sudewi S, Li CH, Dayalan S, Zulfajri M, Sashankh PVS, Huang GG. Enhanced fluorescent iron oxide quantum dots for rapid and interference free recognizing lysine in dairy products. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2022; 279:121453. [PMID: 35667139 DOI: 10.1016/j.saa.2022.121453] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/13/2022] [Revised: 05/25/2022] [Accepted: 05/29/2022] [Indexed: 06/15/2023]
Abstract
In this work, a simple, easy and selective method for sensing lysine in an acidic medium was developed based on fluorescent iron oxide quantum dots (IO QDs). IO QDs using the hydrothermal method were prepared with different conditions (concentration of NPs, amount of citric acid, heating time, heating temperature, and total volume in the hydrothermal reactor) where iron oxide nanoparticles (IO NPs) were used as the starting materials. TEM, FTIR, UV-Vis Spectrometry, fluorescence spectrometry, Powder XRD, VSM were used to characterize the as-prepared IO QDs. The surface of the IO QDs contained -OH, -COO-, and other functional groups that acted as a bridge to bind the IO QDs nanoprobe with the surrounding analytes. Under acidic conditions (pH 3.0), IO QDs exhibited a rapid and interference-free fluorescence enhancement behavior after adding lysine within 2 min at room temperature, whereas other amino acids had no effect on IO QDs fluorescence. Therefore, the IO QDs prepared in this study have shown potential in lysine sensing applications. The results showed that the relative FL intensity was linear with lysine concentration in the range of 1-100 μM and had a detection limit of 0.66 μM. This proposed method has high selectivity for lysine over other amino acids, and the developed methods were used in real sample with good recoveries. Under relatively acidic conditions, a specific and fast lysine interaction was observed, resulting in the successful of IO QDs as the fluorescent probe for rapid and interference-free lysine assessment in dairy products.
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Affiliation(s)
- Sri Sudewi
- Department of Medicinal and Applied Chemistry, Kaohsiung Medical University, Kaohsiung 80708, Taiwan; Department of Pharmacy, Faculty of Mathematic and Natural Science, Universitas Sam Ratulangi, Manado 95115, Indonesia
| | - Chien-Hung Li
- Department of Medicinal and Applied Chemistry, Kaohsiung Medical University, Kaohsiung 80708, Taiwan
| | - Sandhiya Dayalan
- Department of Medicinal and Applied Chemistry, Kaohsiung Medical University, Kaohsiung 80708, Taiwan
| | - Muhammad Zulfajri
- Department of Medicinal and Applied Chemistry, Kaohsiung Medical University, Kaohsiung 80708, Taiwan; Department of Chemistry Education, Universitas Serambi Mekkah, Banda Aceh, Aceh 23245, Indonesia
| | | | - Genin Gary Huang
- Department of Medicinal and Applied Chemistry, Kaohsiung Medical University, Kaohsiung 80708, Taiwan; Department of Medical Research, Kaohsiung Medical University Hospital, Kaohsiung 80708, Taiwan; Department of Chemistry, National Sun Yat-sen University, Kaohsiung 80424, Taiwan.
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30
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Xiang Z, Jiang Y, Cui C, Luo Y, Peng Z. Sensitive, Selective and Reliable Detection of Fe 3+ in Lake Water via Carbon Dots-Based Fluorescence Assay. MOLECULES (BASEL, SWITZERLAND) 2022; 27:molecules27196749. [PMID: 36235283 PMCID: PMC9573028 DOI: 10.3390/molecules27196749] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/21/2022] [Revised: 10/06/2022] [Accepted: 10/06/2022] [Indexed: 11/17/2022]
Abstract
In this study, C-dots were facilely synthesized via microwave irradiation using citric acid and ethylenediamine as carbon precursors. The fluorescence emissions of the C-dots could be selectively quenched by Fe3+, and the degree of quenching was linearly related to the concentrations of Fe3+ presented. This phenomenon was utilized to develop a sensitive fluorescence assay for Fe3+ detection with broad linear range (0–250, 250–1200 μmol/L) and low detection limit (1.68 μmol/L). Most importantly, the assay demonstrated high reliability towards samples in deionized water, tap water and lake water, which should find potential applications for Fe3+ monitoring in complicated environments.
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Affiliation(s)
- Zhuang Xiang
- School of Materials and Energy, Yunnan University, Kunming 650091, China
- Yunnan Key Laboratory for Micro/Nano Materials & Technology, Yunnan University, Kunming 650091, China
| | - Yuxiang Jiang
- School of Materials and Energy, Yunnan University, Kunming 650091, China
| | - Chen Cui
- School of Materials and Energy, Yunnan University, Kunming 650091, China
| | - Yuanping Luo
- School of Materials and Energy, Yunnan University, Kunming 650091, China
| | - Zhili Peng
- School of Materials and Energy, Yunnan University, Kunming 650091, China
- Correspondence: ; Tel.: +86-871-65037399
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31
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Kundu A, Maity B, Basu S. Rice Husk-Derived Carbon Quantum Dots-Based Dual-Mode Nanoprobe for Selective and Sensitive Detection of Fe 3+ and Fluoroquinolones. ACS Biomater Sci Eng 2022; 8:4764-4776. [PMID: 36200295 DOI: 10.1021/acsbiomaterials.2c00798] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Herein, eco-friendly, water-soluble, and fluorescent carbon quantum dots (CQDs) with an average size of 8.3 nm were synthesized from rice husk (RH) using the hydrothermal method, and the CQDs were labeled as rice husk CQDs (RH-CQDs). The composition and surface functionalities were studied using X-ray photoelectron spectroscopy, Fourier transform infrared spectroscopy, and Raman spectroscopy. A study on the impact of pH and irradiation time on fluorescence affirmed the stability of RH-CQDs. The as-synthesized nanosensor has high selectivity and sensitivity for Fe3+ ions. Several photophysical studies were performed to investigate the interaction between RH-CQDs and Fe3+. Using the time-correlated single-photon technique, it is determined that the average lifetime value of RH-CQDs significantly decreases in the presence of Fe3+, which supports a dynamic quenching mechanism. The developed sensor exhibited excellent sensitivity with a detection limit in the nanomolar range (149 nM) with a wide linear range of 0-1300 nM for Fe3+ ions. The prepared nanosensor was also used to detect Fe3+ in a tablet supplement with high recoveries. Moreover, the RH-CQD nanoprobe was used to detect other analytes (fluoroquinolones) using the fluorescence enhancement technique. It showed high selectivity and sensitivity toward ofloxacin (OFX) and ciprofloxacin (CPX). The detection limits calculated were 150 nM and 127 nM with a linearity range of 50-1150 nM for OFX and CPX, respectively. The enhancement of the average lifetime value and quantum yield in the presence of OFX and CPX favors the increased fluorescence property of RH-CQDs through hydrogen bonding and charge transfer. In this work, the integration of two different mechanisms (fluorescence quenching and fluorescence enhancement) was followed to construct a single sensing platform for accurate quantification of dual-mode nanosensors for the detection of metal ions and fluoroquinolones by the excited-state electron transfer and hydrogen bonding mechanism, respectively. This strategy also stimulates the detection of more than one analyte.
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Affiliation(s)
- Aayushi Kundu
- School of Chemistry and Biochemistry, SRF─TIET-Virginia Tech Center of Excellence in Emerging Materials, Thapar Institute of Engineering and Technology, Patiala147004, 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, Patiala147004, 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, Patiala147004, India
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32
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One step synthesis of ultra-high quantum yield fluorescent carbon dots for "on-off-on" detection of Hg 2+ and biothiols. J Fluoresc 2022; 32:1921-1930. [PMID: 35763184 DOI: 10.1007/s10895-022-03001-5] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2022] [Accepted: 06/16/2022] [Indexed: 10/17/2022]
Abstract
In this paper, the carbon dots (CDs) with strong blue fluorescence were synthesized through hydrothermal method, which using folic acid, ammonium citrate and ethylenediamine as precursors. The prepared CDs with a high absolute quantum yield of 81.94% and showed excellent stability in high concentration salt solution and different pH conditions. With the addition of Hg2+, the signal of CDs was selectively quenched. At the same time, the CDs-Hg2+ system could be recovered after the introduction of biothiols. Moreover, the fluorescence of CDs showed a good linear relationship with Hg2+ (1-15 µM), and the detection limit as low as 0.08 µM. In addition, the prepared CDs with low toxicity could be used to detect Hg2+ in living cells and actual water samples.
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Nagaraj M, Ramalingam S, Murugan C, Aldawood S, Jin JO, Choi I, Kim M. Detection of Fe 3+ ions in aqueous environment using fluorescent carbon quantum dots synthesized from endosperm of Borassus flabellifer. ENVIRONMENTAL RESEARCH 2022; 212:113273. [PMID: 35439456 DOI: 10.1016/j.envres.2022.113273] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/01/2022] [Revised: 04/01/2022] [Accepted: 04/07/2022] [Indexed: 06/14/2023]
Abstract
Natural products derived carbon quantum dots (CQDs) catch huge attention owing to their distinctive properties of smaller size, water dispersibility, high photostability, lower cost, tunable emission, biocompatibility, least toxicity, electrical conductivity, optical and catalytic properties, and easy modification. Herein high fluorescent CQDs were prepared using Borassus flabellifer (ice apple) as a carbon source utilizing the simplistic one-step hydrothermal method. The prepared CQDs possessed excellent photoluminescence, high photostability, and stability in an aqueous solution and harbored large of quantum yield and strong stability in high pH conditions with the characteristic strong blue fluorescence emission. With these superior properties, the CQDs have been used as sensing probes for the detection of Fe3+ ions having excellent selectivity and sensitivity with a 2.01 μM limit of detection. The CQDs decorated probe was found effective in detecting Fe3+ ions in the tap and drinking mineral water, suggesting the applicability of the prepared sensor. The developed sensor exhibited advantages, including simple, low-cost, label-free, rapid, and good sensitivity and selectivity towards Fe3+ ions, with a great application for detection of such ions in real water.
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Affiliation(s)
- Murugan Nagaraj
- Department of Food Science and Technology, Yeungnam University, Gyeongsan, Gyeongsangbuk-do, 38541, Republic of Korea
| | - Srinivasan Ramalingam
- Department of Food Science and Technology, Yeungnam University, Gyeongsan, Gyeongsangbuk-do, 38541, Republic of Korea
| | - Chandran Murugan
- SRM Institute of Science and Technology, Kattankulathur, 603 203, Tamil Nadu, India
| | - S Aldawood
- Department of Physics and Astronomy, College of Science, P.O. BOX 2455, King Saud University, Riyadh, 11451, Saudi Arabia
| | - Jun-O Jin
- Department of Medical Biotechnology, Yeungnam University, Gyeongsan, Gyeongsangbuk-do, 38541, Republic of Korea; Research Institute of Cell Culture, Yeungnam University, Gyeongsan, Gyeongsangbuk-do, 38541, Republic of Korea
| | - Inho Choi
- Department of Medical Biotechnology, Yeungnam University, Gyeongsan, Gyeongsangbuk-do, 38541, Republic of Korea; Research Institute of Cell Culture, Yeungnam University, Gyeongsan, Gyeongsangbuk-do, 38541, Republic of Korea
| | - Myunghee Kim
- Department of Food Science and Technology, Yeungnam University, Gyeongsan, Gyeongsangbuk-do, 38541, Republic of Korea; Research Institute of Cell Culture, Yeungnam University, Gyeongsan, Gyeongsangbuk-do, 38541, Republic of Korea.
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Preparation of novel fluorescent probe based on carbon dots for sensing and imaging Fe(III) and pyrophosphate in cells and zebrafish. Anal Bioanal Chem 2022; 414:7609-7622. [PMID: 36008688 DOI: 10.1007/s00216-022-04290-2] [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: 06/22/2022] [Revised: 08/06/2022] [Accepted: 08/16/2022] [Indexed: 11/01/2022]
Abstract
Ferric ions (Fe3+) and pyrophosphate anions (PPi) are involved in many physiological processes and play important roles in biological systems. The abnormal level of Fe3+ and PPi will cause serious damage to the environment and life. At present, the application of such probes in life, especially in vivo, is still very scarce. So, the development of a fluorescent probe to simultaneously detect Fe3+ and PPi has great significance to the health of the environment and organisms. Herein, nitrogen-doped carbon quantum dots (N-CDs) were synthesized via solvothermal treatment, using biuret and citric acid as precursors. The synthesized N-CDs showed highly selective and sensitive detection of Fe3+ through a photoluminescence quenching effect. The fluorescence of N-CDs quenched by Fe3+ could be restored with PPi, rendering the N-CDs/Fe3+ sensor promising for PPi detection ('OFF-ON'). The linear ranges of detection for Fe3+ and PPi were 3-30 and 2-12 μM, and the limits of detection were 2.71 and 1.12 μM, respectively. The practical applications of N-CDs were tested using tap water samples. Furthermore, N-CDs can be used for the detection and imaging of Fe3+ and PPi in HeLa cells and zebrafish owing to their excellent optical properties.
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35
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Pan C, Qin X, Lu M, Ma Q. Water Soluble Silicon Nanoparticles as a Fluorescent Probe for Highly Sensitive Detection of Rutin. ACS OMEGA 2022; 7:28588-28596. [PMID: 35990497 PMCID: PMC9386801 DOI: 10.1021/acsomega.2c03463] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/02/2022] [Accepted: 07/26/2022] [Indexed: 05/17/2023]
Abstract
In this work, water-soluble fluorescent silicon nanoparticles (SiNPs) were prepared by one-pot hydrothermal method using 3-(2-aminoethylamino)propyldimethoxymethylsilane (AEAPDMMS) as a silicon source and amidol as a reducing agent. The prepared SiNPs showed bright green fluorescence, excellent stability against photobleaching, salt tolerance, temperature stability, and good water solubility. Due to the internal filtration effect (IFE), rutin could selectively quench the fluorescence of the SiNPs. Based on such phenomena, a highly sensitive fluorescence method was established for rutin detection. The linear range and limit of detection (LOD) were 0.05-400 μM and 15.2 nM, respectively. This method was successfully applied to detect rutin in the samples of rutin tablets, Sophora japonica, fry Sophora japonica, and S. japonica carbon with satisfactory recovery.
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González-González RB, Morales-Murillo MB, Martínez-Prado MA, Melchor-Martínez EM, Ahmed I, Bilal M, Parra-Saldívar R, Iqbal HMN. Carbon dots-based nanomaterials for fluorescent sensing of toxic elements in environmental samples: Strategies for enhanced performance. CHEMOSPHERE 2022; 300:134515. [PMID: 35398070 DOI: 10.1016/j.chemosphere.2022.134515] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/22/2022] [Revised: 03/21/2022] [Accepted: 04/01/2022] [Indexed: 02/08/2023]
Abstract
Rapid industrialization and manufacturing expansion have caused heavy metal pollution, which is a critical environmental issue faced by global population. In addition, the disadvantages presented by conventional detection methods such as the requirement of sophisticated instruments and qualified personnel have led to the development of novel nanosensors. Recently, carbon dots (CDs) have been presented as a multifunctional nanomaterial alternative for the accurate detection of heavy metal ions in water systems. The capacity of CDs to detect contaminants in wastewater -including heavy metals- can be found in the literature; however, to the best of our knowledge, none of them discusses the most recent strategies to enhance their performance. Therefore, in this review, beyond presenting successful examples of the use of CDs for the detection of metal ions, we further discuss the strategies to enhance their photoluminescence properties and their performance for environmental monitoring. In this manner, strategies such as heteroatom-doping and surface passivation are reviewed in detail, as well as describing the mechanisms and the effect of precursors and synthesis methods. Finally, the current challenges are described in detail to propose some recommendations for further research.
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Affiliation(s)
| | - Martha Beatriz Morales-Murillo
- Tecnológico Nacional de México - Instituto Tecnológico de Durango, Chemical & Biochemical Engineering Department, Blvd. Felipe Pescador 1830 Ote., Durango, Dgo., 34080, Mexico
| | - María Adriana Martínez-Prado
- Tecnológico Nacional de México - Instituto Tecnológico de Durango, Chemical & Biochemical Engineering Department, Blvd. Felipe Pescador 1830 Ote., Durango, Dgo., 34080, Mexico
| | | | - Ishtiaq Ahmed
- School of Medical Science, Menzies Health Institute Queensland, Griffith University (Gold Coast campus), Parklands Drive, Southport, QLD, 4222, Australia
| | - Muhammad Bilal
- School of Life Science and Food Engineering, Huaiyin Institute of Technology, Huaian, 223003, China
| | | | - Hafiz M N Iqbal
- Tecnologico de Monterrey, School of Engineering and Sciences, Monterrey, 64849, Mexico.
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37
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Selective Detection of Fe3+ by Nitrogen–Sulfur-Doped Carbon Dots Using Thiourea and Citric Acid. COATINGS 2022. [DOI: 10.3390/coatings12081042] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
The quantum yield and fluorescence properties of carbon dots are key issues for environmental detection. In this study, nitrogen–sulfur-doped carbon dots (N,S-CDs) were prepared hydrothermally by adding thiourea to provide the N source. By adjusting the ratio of citric acid (CA) to thiourea (N,S) and adding anhydrous ethanol, blue fluorescent doped carbon dots with a quantum yield of up to 53.80% were obtained. The particle morphology and crystalline organization of the N,S-CDs were analyzed using transmission electron microscopy (TEM) and X-ray diffraction (XRD). Fourier transform infrared (FTIR) spectroscopy was used to illuminate distinct functional units through the recording of typical vibration bands. The luminescence properties of the N,S-CDs were investigated using ultraviolet–visible (UV-vis) absorption spectroscopy and steady-state fluorescence spectroscopy (PL). In addition, the fluorescence stability of the N,S-CDs was studied in detail. The results showed that the functional groups of the N,S-CDs chelate Fe3+ ions to quench the fluorescence of carbon dots. This shows that the N,S-CDs exhibit high selectivity for Fe3+ ions. With the addition of Fe3+ in the concentration of 0–100 µM, the fluorescence intensity of the N,S-CDs exhibited distinct and linear dependence upon the Fe3+ concentration (R2 = 0.9965), and the detection limit (D = 3ơ/m) was measured as 0.2 µM. The excellent optical properties and Fe3+ selectivity of the N,S-CDs provide a huge boost for application in the field of environmental monitoring.
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Jacinth Gracia KD, Thavamani SS, Amaladhas TP, Devanesan S, Ahmed M, Kannan MM. Valorisation of bio-derived fluorescent carbon dots for metal sensing, DNA binding and bioimaging. CHEMOSPHERE 2022; 298:134128. [PMID: 35276110 DOI: 10.1016/j.chemosphere.2022.134128] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/20/2022] [Revised: 02/10/2022] [Accepted: 02/24/2022] [Indexed: 06/14/2023]
Abstract
Carbon dots are quasi-spherical and zero dimensional nanomaterials with unique optical and electronic properties. In this work, a facile and sustainable strategy was employed to synthesise nitrogen doped carbon dots from Terminalia chebula via hydrothermal treatment with a quantum yield of 19.9%. The structural and optical properties of nitrogen doped carbon dots (N-CDs) were studied by UV-Visible absorption and fluorescence spectroscopy. The surface functional groups, average particle size and elemental analysis were assessed with the help of Fourier Transform Infra Red spectroscopy, High Resolution Transmission Electron Microscopy and Energy Dispersive X-ray analysis respectively. The N-CDs exhibited excitation dependent emission upon irradiation with UV light, pH stability over neutral range and excellent photostability. The average particle size of the synthesised N-CDs was found to be 3.56 nm. The fluorescence intensity of the N-CDs quenched linearly with increase in concentration of Fe3+ ions. The limit of detection (LOD) of N-CDs with Fe3+ ions was calculated to be 4.5 nM using Stern-Volmer plot. The fluorescence was restored by addition of EDTA to Fe3+ coordinated N-CD system. Further, the synthesised N-CDs interacted with ct-DNA through intercalative mode and the binding constant calculated using the Benesi Hildebrand plot was 1.78 × 108 mg/mL. The cytotoxicity of N-CDs was evaluated using MTT assay. The excellent biocompatible and less toxic nature of N-CDs was extrapolated to serve as fluorescent probes for imaging E.coli and SKMEL cells. From the results of this work, it is evident that the synthesised N-CDs can be used to develop efficient fluorescent metal sensors. The fluorescent property of N-CDs enables it to find extension as a potential curative drug, an efficient patterning agent and an effective biomarker to image biological cells causing no damage to normal cells.
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Affiliation(s)
- Kirubaharan Daphne Jacinth Gracia
- Post Graduate and Research Department of Chemistry, V.O. Chidambaram College (Affiliated to Manonmaniam Sundaranar University, Tirunelveli), Tuticorin, 628008, Tamil Nadu, India
| | - Seth Sheeba Thavamani
- Post Graduate and Research Department of Chemistry, V.O. Chidambaram College (Affiliated to Manonmaniam Sundaranar University, Tirunelveli), Tuticorin, 628008, Tamil Nadu, India.
| | - Thomas Peter Amaladhas
- Post Graduate and Research Department of Chemistry, V.O. Chidambaram College (Affiliated to Manonmaniam Sundaranar University, Tirunelveli), Tuticorin, 628008, Tamil Nadu, India.
| | - Sandhanasamy Devanesan
- Department of Physics and Astronomy, College of Science, King Saud University, Riyadh, 11451, Saudi Arabia
| | - Mukhtar Ahmed
- Department of Zoology, College of Science, King Saud University, Riyadh, 11451, Saudi Arabia
| | - Maruthamuthu Murali Kannan
- Division of Pharmacoengineering and Molecular Pharmaceutics, Eshelman School of Pharmacy, University of North Carolina, Chapel Hill, NC, USA
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Jariah A, Shiddiq M, Armynah B, Tahir D. Sensor Heavy Metal from Natural Resources for a Green Environment: A Review Relation Between Synthesis Method and Luminescence Properties of Carbon Dots. LUMINESCENCE 2022; 37:1246-1258. [PMID: 35671060 DOI: 10.1002/bio.4303] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2022] [Revised: 05/19/2022] [Accepted: 06/04/2022] [Indexed: 11/10/2022]
Abstract
Carbon dots are 10-nm nanomaterial classes as excellent candidates in various applications: physics, biology, chemistry, and food science due to high stable biocompatibility and high surface expansive. Carbon dots (CDs) produced from natural materials have received wide attention due to their unique benefits, easy availabilities, sufficient costs, and harmless to the ecosystem. The various properties of CDs can be obtained from various synthesis methods: hydrothermal, microwave-assisted, and pyrolysis. The CDs have shown enormous potential in metal particle detection, colorimetric sensors, electrochemical sensors, and pesticide sensor. This review provides systematic information on a synthesis method based on natural resources and the application to the environmental sensors for supporting the clean environment. We hopefully this review, useful as a reference source in providing the guidance or roadmap of new researchers to develop new strategy in increasing luminescence properties CDs for multi detection of heavy metal in the environment.
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Affiliation(s)
- Ainun Jariah
- Department of Physics, Hasanuddin University, Makassar, Indonesia
| | - Muhandis Shiddiq
- Research Centre for Physics, Indonesian Institute of Science, Pupiptek Banten, Indonesia
| | | | - Dahlang Tahir
- Department of Physics, Hasanuddin University, Makassar, Indonesia
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Sustainable fabrication of N-doped carbon quantum dots and their applications in fluorescent inks, Fe (III) detection and fluorescent films. INORG CHEM COMMUN 2022. [DOI: 10.1016/j.inoche.2022.109387] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
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Facile Synthesis of Green Fluorescent Carbon Dots and Their Application to Fe 3+ Detection in Aqueous Solutions. NANOMATERIALS 2022; 12:nano12091487. [PMID: 35564197 PMCID: PMC9104042 DOI: 10.3390/nano12091487] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/03/2022] [Revised: 04/19/2022] [Accepted: 04/26/2022] [Indexed: 01/05/2023]
Abstract
Carbon dots (CDs), a class of fluorescent nanomaterials, have attracted widespread attention from researchers. Because of their unique chemical properties, these high-quality fluorescent probes are widely used for ion and molecule detection. Excess intake of many ions or molecules can cause harm to the human body. Although iron (in the form of Fe3+ ions) is essential for the human body, excess iron in the human body can cause many diseases, such as iron poisoning. In this study, we have synthesized fluorine and nitrogen co-doped carbon dots (FNCDs) by a hydrothermal method. These FNCDs exhibited good stability, selectivity, and anti-interference ability for Fe3+. Fe3+ could be detected in the range of 0.2–300 μM, and their detection limit is up to 0.08 μM. In addition, the recovery and relative standard deviation measured by the standard addition recovery method were not higher than 107.5% and 1.1%, respectively, indicating that FNCDs have good recovery and accuracy for Fe3+ detection.
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Santonocito R, Intravaia M, Caruso IM, Pappalardo A, Trusso Sfrazzetto G, Tuccitto N. Fluorescence sensing by carbon nanoparticles. NANOSCALE ADVANCES 2022; 4:1926-1948. [PMID: 36133414 PMCID: PMC9418512 DOI: 10.1039/d2na00080f] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/30/2022] [Accepted: 03/20/2022] [Indexed: 05/03/2023]
Abstract
Sensing is one of the most important fields in which chemists, engineers and other scientists are involved to realize sensoristic devices that can detect different analytes, both chemicals and biologicals. In this context, fluorescence sensing paves the way for the realization of smart sensoristic devices due to the possibility to detect the target analyte via a change in colour or emission. Recently (since 2006), carbon nanoparticles, which are a "new class" of nanostructures based on carbon atoms, have been widely used in sensing applications due to their intriguing optical properties. The scientific literature on this topic started from 2006 and a progressive increase in the corresponding number of publications has been observed. This review summarises the application of carbon nanoparticles in the sensing field, focusing on chemical and ion sensing.
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Affiliation(s)
| | | | - Ivana Maria Caruso
- Department of Chemical Sciences, University of Catania 95125 Catania Italy
| | - Andrea Pappalardo
- Department of Chemical Sciences, University of Catania 95125 Catania Italy
- National Interuniversity Consortium for Materials Science and Technology (I.N.S.T.M.), Research Unit of Catania 95125 Catania Italy
| | - Giuseppe Trusso Sfrazzetto
- Department of Chemical Sciences, University of Catania 95125 Catania Italy
- National Interuniversity Consortium for Materials Science and Technology (I.N.S.T.M.), Research Unit of Catania 95125 Catania Italy
| | - Nunzio Tuccitto
- Department of Chemical Sciences, University of Catania 95125 Catania Italy
- Laboratory for Molecular Surfaces and Nanotechnology - CSGI 95125 Catania Italy
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Yun S, Kang ES, Choi JS. Zn-assisted modification of the chemical structure of N-doped carbon dots and their enhanced quantum yield and photostability. NANOSCALE ADVANCES 2022; 4:2029-2035. [PMID: 36133412 PMCID: PMC9419812 DOI: 10.1039/d2na00013j] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/07/2022] [Accepted: 03/09/2022] [Indexed: 05/06/2023]
Abstract
This article presents the Zn-assisted synthesis of N-doped carbon dots (N-CDs) with an enhanced quantum yield (QY) and photostability. There have been intensive studies to improve or tune the optical properties of carbon dots (CDs) to meet the demand for luminescent materials in various fields, including energy conversion, photocatalysis, bioimaging, and phototherapy. For these applications, the photostability of the CDs is also a critical factor, but the related studies are relatively less common. The Zn-assisted N-CDs (denoted as Zn:N-CDs) obtained by the addition of Zn(OAc)2 to the precursors during the synthesis of N-CDs not only exhibited an enhanced quantum yield but also improved photostability compared to those of N-CDs. A comprehensive study of the chemical composition of Zn:N-CD and N-CD using X-ray photoelectron spectroscopy indicated a correlation between their chemical structure and photostability. Zn(OAc)2, which acts as a catalytic reagent, induced the modification of chemical structures at the edges of carbogenic sp2 domains, without being doped in N-CD, and the heteroatom-carbon bonds in Zn:N-CD seemed to be more resistant to light compared to those in N-CDs. The increased QY and photostability of Zn:N-CDs make them more suitable as an optical probe and they could be used in fingerprint identification. With Zn:N-CDs, the microstructure of fingerprints was confirmed clearly for a long duration effectively.
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Affiliation(s)
- Sohee Yun
- Department of Chemical and Biological Engineering, Hanbat National University Daejeon 34158 Korea
| | - Eun Soo Kang
- Department of Chemical and Biological Engineering, Hanbat National University Daejeon 34158 Korea
| | - Jin-Sil Choi
- Department of Chemical and Biological Engineering, Hanbat National University Daejeon 34158 Korea
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Dual Fluorometric Detection of Fe 3+ and Hg 2+ Ions in an Aqueous Medium Using Carbon Quantum Dots as a "Turn-off" Fluorescence Sensor. J Fluoresc 2022; 32:1143-1154. [PMID: 35318547 DOI: 10.1007/s10895-022-02922-5] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2021] [Accepted: 03/01/2022] [Indexed: 10/18/2022]
Abstract
The present study aimed to develop a carbon dots-based fluorescence (FL) sensor that can detect more than one pollutant simultaneously in the same aqueous solution. The carbon dots-based FL sensor has been prepared by employing a facile hydrothermal method using citric acid and ethylenediamine as precursors. The as-synthesized CDs displayed excellent hydrophilicity, good photostability and blue fluorescence under UV light. They have been used as an efficient "turn-off" FL sensor for dual sensing of Fe3+ and Hg2+ ions in an aqueous medium with high sensitivity and selectivity through a static quenching mechanism. The lowest limit of detection (LOD) for Fe3+ and Hg2+ ions was found to be 0.406 µM and 0.934 µM, respectively over the concentration range of 0-50 µM. Therefore, the present work provides an effective strategy to monitor the concentration of Fe3+ and Hg2+ ions simultaneously in an aqueous medium using environment-friendly CDs.
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Atchudan R, Chandra Kishore S, Gangadaran P, Jebakumar Immanuel Edison TN, Perumal S, Rajendran RL, Alagan M, Al-Rashed S, Ahn BC, Lee YR. Tunable fluorescent carbon dots from biowaste as fluorescence ink and imaging human normal and cancer cells. ENVIRONMENTAL RESEARCH 2022; 204:112365. [PMID: 34767820 DOI: 10.1016/j.envres.2021.112365] [Citation(s) in RCA: 26] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/03/2021] [Revised: 11/02/2021] [Accepted: 11/03/2021] [Indexed: 05/28/2023]
Abstract
Growing global biowaste and its environmental issues challenge the need for converting biowastes into a beneficial product. Among the biowaste, here kiwi fruit (Actinidia Deliciosa) peels are considered for the preparation of carbon dots (CDs). Using a green one-pot hydrothermal-carbonization method, kiwi fruit peels were effectively converted into valuable kiwi fruit peel carbon dots (KFP-CDs). The morphology, physio-chemical and optical properties of as-synthesized KFP-CDs were analyzed using various analytical techniques such as X-ray powder diffraction, Raman spectroscopy, attenuated total reflection-Fourier transform infrared spectroscopy, field emission scanning electron microscopy, high-resolution transmission electron microscopy, X-ray photoelectron spectroscopy, Ultraviolet-visible, and fluorescence spectroscopy. The KFP-CDs revealed a homogeneous spherical shape, monodispersed with an average size of 5 nm. The characterization confirms that KFP-CDs have functional groups such as -CN, -COOH, and -OH which are responsible for the easy dispersion of KFP-CDs in aqueous media. Without any preprocessing, KFP-CDs exhibit strong fluorescence upon exposure to UV light. Further, KFP-CDs displayed excitation-dependent fluorescence emission with a good quantum yield of about 18%. Thus by considering the excellent properties of KFP-CDs, KFP-CDs were used as fluorescent ink for drawing and writing without any capping/passivation agent. The pictures and words were instantaneously viewed when exposed to UV light. In addition, KFP-CDs tested for cell imaging in four human cell lines (normal and cancer cells) bestowed excellent biocompatibility and low cytotoxicity, which is important for the safe and long-term development of cellular imaging. The findings imply that KFP-CDs can be utilized as a cell labeling agent for mesenchymal stem cells, breast cancer, and thyroid cancer cells in vitro imaging. Thus, these observations revealed that investigating sustainable resource-based CDs can open up new avenues for tackling environmental issues.
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Affiliation(s)
- Raji Atchudan
- School of Chemical Engineering, Yeungnam University, Gyeongsan, 38541, Republic of Korea.
| | - Somasundaram Chandra Kishore
- Saveetha School of Engineering, Department of Biomedical Engineering, Saveetha Institute of Medical and Technical Sciences, Saveetha Nagar, Chennai, 602 105, India
| | - Prakash Gangadaran
- BK21 FOUR KNU Convergence Educational Program of Biomedical Sciences for Creative Future Talents, Department of Biomedical Science, School of Medicine, Kyungpook National University, Daegu, 41944, Republic of Korea; Department of Nuclear Medicine, School of Medicine, Kyungpook National University, Kyungpook National University Hospital, Daegu, 41944, Republic of Korea
| | | | - Suguna Perumal
- School of Chemical Engineering, Yeungnam University, Gyeongsan, 38541, Republic of Korea
| | - Ramya Lakshmi Rajendran
- Department of Nuclear Medicine, School of Medicine, Kyungpook National University, Kyungpook National University Hospital, Daegu, 41944, Republic of Korea
| | - Muthulakshmi Alagan
- Faculty of Information and Communication Science, University of Information Science and Technology "St.Paul the Apostle", Ohrid, Macedonia
| | - Sarah Al-Rashed
- Department of Botany and Microbiology, College of Science, King Saud University, P.O 2455, Riyadh, 11451, Saudi Arabia
| | - Byeong-Cheol Ahn
- BK21 FOUR KNU Convergence Educational Program of Biomedical Sciences for Creative Future Talents, Department of Biomedical Science, School of Medicine, Kyungpook National University, Daegu, 41944, Republic of Korea; Department of Nuclear Medicine, School of Medicine, Kyungpook National University, Kyungpook National University Hospital, Daegu, 41944, Republic of Korea
| | - Yong Rok Lee
- School of Chemical Engineering, Yeungnam University, Gyeongsan, 38541, Republic of Korea.
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Facile approach for green synthesis of fluorescent carbon dots from Manihot esculenta and their potential applications as sensor and bio-imaging agents. INORG CHEM COMMUN 2022. [DOI: 10.1016/j.inoche.2022.109219] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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47
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Atchudan R, Edison TNJI, Perumal S, Vinodh R, Sundramoorthy AK, Babu RS, Lee YR. Morus nigra-derived hydrophilic carbon dots for the highly selective and sensitive detection of ferric ion in aqueous media and human colon cancer cell imaging. Colloids Surf A Physicochem Eng Asp 2022. [DOI: 10.1016/j.colsurfa.2021.128073] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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Berenice González-González R, Parra-Saldívar R, Ramirez-Mendoza RA, Iqbal HM. Carbon dots as a new fluorescent nanomaterial with switchable sensing potential and its sustainable deployment for metal sensing applications. MATERIALS LETTERS 2022. [DOI: 10.1016/j.matlet.2021.131372] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
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49
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Gao X, Qin J, Liu J, Yang Z, Zhang G, Hou J. Bioinspired Carbon Dots as an Effective Fluorescent Sensing Platform for Tetracycline Detection and Bioimaging. ChemistrySelect 2022. [DOI: 10.1002/slct.202104030] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
Affiliation(s)
- Xu Gao
- Department of Chemistry Chemical Engineering and Resource Utilization Northeast Forestry University 26 Hexing Road Harbin 150040 PR China
| | - Jing Qin
- Department of Chemistry Chemical Engineering and Resource Utilization Northeast Forestry University 26 Hexing Road Harbin 150040 PR China
| | - Jingyi Liu
- Department of Chemistry Chemical Engineering and Resource Utilization Northeast Forestry University 26 Hexing Road Harbin 150040 PR China
| | - Zhen Yang
- Department of Chemistry Chemical Engineering and Resource Utilization Northeast Forestry University 26 Hexing Road Harbin 150040 PR China
| | - Guoliang Zhang
- Department of Chemistry Chemical Engineering and Resource Utilization Northeast Forestry University 26 Hexing Road Harbin 150040 PR China
| | - Juan Hou
- Department of Chemistry Chemical Engineering and Resource Utilization Northeast Forestry University 26 Hexing Road Harbin 150040 PR China
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Beker SA, Khudur LS, Cole I, Ball AS. Catalytic degradation of methylene blue using iron and nitrogen-containing carbon dots as Fenton-like catalysts. NEW J CHEM 2022. [DOI: 10.1039/d1nj04761b] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
Carbon dots were modified with iron and nitrogen groups to produce specific surface groups and charge which demonstrated high efficiency for the Fenton-like degradation of methylene blue whilst markedly minimising its effluent toxicity.
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Affiliation(s)
- Sabrina A. Beker
- School of Science, STEM College, RMIT University, Bundoora, VIC 3083, Australia
| | - Leadin S. Khudur
- School of Science, STEM College, RMIT University, Bundoora, VIC 3083, Australia
| | - Ivan Cole
- Advanced Manufacturing and Fabrication, School of Engineering, RMIT University, Melbourne, VIC 3000, Australia
| | - Andrew S. Ball
- School of Science, STEM College, RMIT University, Bundoora, VIC 3083, Australia
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