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Ren J, Opoku H, Tang S, Edman L, Wang J. Carbon Dots: A Review with Focus on Sustainability. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2024; 11:e2405472. [PMID: 39023174 DOI: 10.1002/advs.202405472] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/21/2024] [Revised: 07/03/2024] [Indexed: 07/20/2024]
Abstract
Carbon dots (CDs) are an emerging class of nanomaterials with attractive optical properties, which promise to enable a variety of applications. An important and timely question is whether CDs can become a functional and sustainable alternative to incumbent optical nanomaterials, notably inorganic quantum dots. Herein, the current CD literature is comprehensively reviewed as regards to their synthesis and function, with a focus on sustainability aspects. The study quantifies why it is attractive that CDs can be synthesized with biomass as the sole starting material and be free from toxic and precious metals and critical raw materials. It further describes and analyzes employed pretreatment, chemical-conversion, purification, and processing procedures, and highlights current issues with the usage of solvents, the energy and material efficiency, and the safety and waste management. It is specially shown that many reported synthesis and processing methods are concerningly wasteful with the utilization of non-sustainable solvents and energy. It is finally recommended that future studies should explicitly consider and discuss the environmental influence of the selected starting material, solvents, and generated byproducts, and that quantitative information on the required amounts of solvents, consumables, and energy should be provided to enable an evaluation of the presented methods in an upscaled sustainability context.
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Affiliation(s)
- Junkai Ren
- The Organic Photonics and Electronics Group, Department of Physics, Umeå University, Umeå, SE-90187, Sweden
| | - Henry Opoku
- The Organic Photonics and Electronics Group, Department of Physics, Umeå University, Umeå, SE-90187, Sweden
| | - Shi Tang
- The Organic Photonics and Electronics Group, Department of Physics, Umeå University, Umeå, SE-90187, Sweden
- LunaLEC AB, Umeå University, Umeå, SE-90187, Sweden
| | - Ludvig Edman
- The Organic Photonics and Electronics Group, Department of Physics, Umeå University, Umeå, SE-90187, Sweden
- LunaLEC AB, Umeå University, Umeå, SE-90187, Sweden
- Wallenberg Initiative Materials Science for Sustainability, Department of Physics, Umeå University, Umeå, SE-90187, Sweden
| | - Jia Wang
- The Organic Photonics and Electronics Group, Department of Physics, Umeå University, Umeå, SE-90187, Sweden
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Osman MM, El-Shaheny R, Ibrahim FA. Alfalfa biomass as a green source for the synthesis of N,S-CDs via microwave treatment. Application as a nano sensor for nifuroxazide in formulations and gastric juice. Anal Chim Acta 2024; 1319:342946. [PMID: 39122268 DOI: 10.1016/j.aca.2024.342946] [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: 02/23/2024] [Revised: 05/11/2024] [Accepted: 07/05/2024] [Indexed: 08/12/2024]
Abstract
BACKGROUND Researchers have investigated different techniques for synthesis of carbon dots. These techniques include Arc discharge, laser ablation, oxidation, water/solvothermal, and chemical vapor deposition. However, these techniques suffer from some limitations like the utilization of gaseous charged particles, high current, high temperature, potent oxidizing agents, non-environmentally friendly carbon sources, and the generation of uneven particle size. Therefore, there was a significant demand for the adoption of a new technology that combines the environmentally friendly aspects of both bio-based carbon sourcing and synthesis technique. RESULTS Medicago sativa L (alfalfa)-derived N, S-CDs have been successfully synthesized via microwave irradiation. The N,S-CDs exhibit strong fluorescence (λex/em of 320/420 nm) with fluorescence quantum yield of 2.2 % and high-water solubility. The produced N,S-CDs were characterized using TEM, EDX, Zeta potential analysis, IR, UV-Visible, and fluorescence spectroscopy. The average diameter of the produced N, S-CDs was 4.01 ± 1.2 nm, and the Zeta potential was -24.5 ± 6.63 mv. The stability of the produced nano sensors was also confirmed over wide pH range, long time, and in presence of different ions. The synthesized N, S-CDs were employed to quantify the antibacterial drug, nifuroxazide (NFZ), by fluorescence quenching via inner filter effect mechanism. The method was linear with NFZ concentration ranging from 1.0 to 30.0 μM. LOD and LOQ were 0.16 and 0.49 μM, respectively. The method was applied to quantify NFZ in simulated gastric juice (SGJ) with % recovery 99.59 ± 1.4 in addition to pharmaceutical dosage forms with % recovery 98.75 ± 0.61 for Antinal Capsules® and 100.63 ± 1.54 for Antinal suspension®. The Method validation was performed in compliance with the criteria outlined by ICH. SIGNIFICANCE AND NOVELTY The suggested approach primarily centers on the first-time use of alfalfa, an ecologically sustainable source of dopped-CDs, and a cost-effective synthesis technique via microwave irradiation, which is characterized by low energy consumption, minimized reaction time, and the ability to control the size of the produced CDs. This is in line with the growing global recognition of the implementation of green analytical chemistry principles.
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Affiliation(s)
- Mohamed M Osman
- Department of Pharmaceutical Analytical Chemistry, Faculty of Pharmacy, Mansoura University, Mansoura, 35516, Egypt.
| | - Rania El-Shaheny
- Department of Pharmaceutical Analytical Chemistry, Faculty of Pharmacy, Mansoura University, Mansoura, 35516, Egypt.
| | - Fawzia A Ibrahim
- Department of Pharmaceutical Analytical Chemistry, Faculty of Pharmacy, Mansoura University, Mansoura, 35516, Egypt.
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Díaz-García D, Díaz-Sánchez M, Álvarez-Conde J, Gómez-Ruiz S. Emergence of Quantum Dots as Innovative Tools for Early Diagnosis and Advanced Treatment of Breast Cancer. ChemMedChem 2024; 19:e202400172. [PMID: 38724442 DOI: 10.1002/cmdc.202400172] [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: 03/04/2024] [Revised: 05/09/2024] [Indexed: 06/20/2024]
Abstract
Quantum dots (QDs) semiconducting nanomaterials, have garnered attention due to their distinctive properties, including small size, high luminescence, and biocompatibility. In the context of triple-negative breast cancer (TNBC), notorious for its resistance to conventional treatments, QDs exhibit promising potential for enhancing diagnostic imaging and providing targeted therapies. This review underscores recent advancements in the utilization of QDs in imaging techniques, such as fluorescence tomography and magnetic resonance imaging, aiming at the early and precise detection of tumors. Emphasis is placed on the significance of QD design, synthesis and functionalization processes as well as their use in innovative strategies for targeted drug delivery, capitalizing on their ability to selectively deliver therapeutic agents to cancer cells. As the research in this field advances rapidly, this review covers a classification of QDs according to their composition, the characterization techniques than can be used to determine their properties and, subsequently, emphasizes recent findings in the field of TNBC-targeting, highlighting the imperative need to address challenges, like potential toxicity or methodologies standardization. Collectively, the findings explored thus far suggest that QDs could pave the way for early diagnosis and effective therapy of TNBC, representing a significant stride toward precise and personalized strategies in treating TNBC.
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Affiliation(s)
- Diana Díaz-García
- COMET-NANO Group. Departamento de Biología y Geología, Física y Química Inorgánica, Universidad Rey Juan Carlos, Calle Tulipán s/n, E-28933, Móstoles, Madrid, Spain
| | - Miguel Díaz-Sánchez
- COMET-NANO Group. Departamento de Biología y Geología, Física y Química Inorgánica, Universidad Rey Juan Carlos, Calle Tulipán s/n, E-28933, Móstoles, Madrid, Spain
| | - Javier Álvarez-Conde
- COMET-NANO Group. Departamento de Biología y Geología, Física y Química Inorgánica, Universidad Rey Juan Carlos, Calle Tulipán s/n, E-28933, Móstoles, Madrid, Spain
| | - Santiago Gómez-Ruiz
- COMET-NANO Group. Departamento de Biología y Geología, Física y Química Inorgánica, Universidad Rey Juan Carlos, Calle Tulipán s/n, E-28933, Móstoles, Madrid, Spain
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4
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Liu Y, Zhang L, Cai H, Qu X, Chang J, Waterhouse GIN, Lu S. Biomass-derived carbon dots with pharmacological activity for biomedicine: Recent advances and future perspectives. Sci Bull (Beijing) 2024:S2095-9273(24)00587-5. [PMID: 39183109 DOI: 10.1016/j.scib.2024.08.011] [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: 06/26/2024] [Revised: 07/26/2024] [Accepted: 08/06/2024] [Indexed: 08/27/2024]
Abstract
Carbon dots (CDs), a type of nanoparticle with excellent optical properties, good biocompatibility, and small size, are finding increasing application across the fields of biology and biomedicine. In recent years, biomass-derived CDs with pharmacological activity (BP-CDs) derived from herbal medicines (HMs), HMs extracts and other natural products with demonstrated pharmaceutical activity have attracted particular attention. Herein, we review recent advances in the development of BP-CDs, covering the selection of biomass precursors, different methods used for the synthesis of BP-CDs from natural sources, and the purification of BP-CDs. Additionally, we summarize the many remarkable properties of BP-CDs including optical properties, biocompatibility and pharmaceutical efficacy. Moreover, the antibacterial, antiviral, anticancer, biosensing, bioimaging, and other applications of BP-CDs are reviewed. Thereafter, we discuss the advantages and disadvantages of BP-CDs and Western drug-derived CDs, highlighting the excellent performance of BP-CDs. Finally, based on the current state of research on BP-CDs, we suggest several aspects of BP-CDs that urgently need to be addressed and identify directions that should be pursued in the future. This comprehensive review on BP-CDs is expected to guide the precise design, preparation, and future development of BP-CDs, thereby advancing the application of BP-CDs in biomedicine.
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Affiliation(s)
- Yue Liu
- College of Chemistry, Pingyuan Laboratory, Zhengzhou University, Zhengzhou 450001, China
| | - Linlin Zhang
- Erythrocyte Biology Laboratory, School of Life Sciences, Zhengzhou University, Zhengzhou 450001, China
| | - Huijuan Cai
- College of Chemistry, Pingyuan Laboratory, Zhengzhou University, Zhengzhou 450001, China.
| | - Xiaoli Qu
- Erythrocyte Biology Laboratory, School of Life Sciences, Zhengzhou University, Zhengzhou 450001, China.
| | - Junbiao Chang
- College of Chemistry, Pingyuan Laboratory, Zhengzhou University, Zhengzhou 450001, China
| | | | - Siyu Lu
- College of Chemistry, Pingyuan Laboratory, Zhengzhou University, Zhengzhou 450001, China.
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Seesuea C, Sangtawesin T, Thangsunan P, Wechakorn K. Facile Green Gamma Irradiation of Water Hyacinth Derived-Fluorescent Carbon Dots Functionalized Thiol Moiety for Metal Ion Detection. J Fluoresc 2024; 34:1761-1773. [PMID: 37615896 DOI: 10.1007/s10895-023-03408-8] [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: 07/22/2023] [Accepted: 08/18/2023] [Indexed: 08/25/2023]
Abstract
Fluorescent sensor-based carbon dots (CDs) have significantly developed for sensing metal ions because of their great physical and optical properties, including tunable fluorescence emission, high fluorescence quantum yield, high sensitivity, non-toxicity, and biocompatibility. In this research, a green synthetic approach via simple gamma irradiation for the carbon dot synthesis from water hyacinth was developed since water hyacinth has been classified as an invasive aquatic plant containing cellulose, hemicellulose, and lignin. The thiol moiety (SH) was further functionalized on the surface functional groups of CDs as the "turn-off" fluorescent sensor for metal ion detection. Fluorescence emission displayed a red shift from 451 to 548 nm when excited between 240 and 500 nm. The quantum yield of CDs-SH was elucidated to be 13%, with strong blue fluorescence emission under ultraviolet irridiation (365 nm), high photostability and no photobleaching. The limit of detection was determined at micromolar levels for Hg2+, Cu2+, and Fe3+. CDs-SH could be a real-time monitoring sensor for Hg2+ and Cu2+ as fluorescence quenching was observed within 2 min. Furthermore, paper test-strip based CDs-SH could be applied to detect these metal ions.
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Affiliation(s)
- Chuleekron Seesuea
- Department of Chemistry, Faculty of Science and Technology, Rajamangala University of Technology Thanyaburi, Pathum Thani, 12110, Thailand
| | - Tanagorn Sangtawesin
- Thailand Institute of Nuclear Technology (Public Organization), Nakorn Nayok, 26120, Thailand
| | - Pattanapong Thangsunan
- Division of Biochemistry and Biochemical Innovation, Department of Chemistry, Faculty of Science, Chiang Mai University, Chiang Mai, 50200, Thailand
- Center of Excellence in Materials Science and Technology, Faculty of Science, Chiang Mai University, Chiang Mai, 50200, Thailand
| | - Kanokorn Wechakorn
- Department of Chemistry, Faculty of Science and Technology, Rajamangala University of Technology Thanyaburi, Pathum Thani, 12110, Thailand.
- Advanced Photochemical and Electrochemical Materials Research Unit, Faculty of Science and Technology, Rajamangala University of Technology Thanyaburi, Pathum Thani, 12110, Thailand.
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Ilhami FB, Fitriana, Mozef T, Wihadi MNK, Munasir, Khasanah M, Putri NP, Kusumawati DH, Kao CY, Kuo DH, Gultom NS. Developing zinc oxide and peanut shell-derived carbon star-shaped composite materials for effective photo-antibacterial treatment. Heliyon 2024; 10:e32348. [PMID: 39005916 PMCID: PMC11239467 DOI: 10.1016/j.heliyon.2024.e32348] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2023] [Revised: 05/17/2024] [Accepted: 06/03/2024] [Indexed: 07/16/2024] Open
Abstract
The development of new carbon-based materials using natural biowaste for biomedical applications has remained a significant challenge in the past decades. In this study, we successfully synthesized and characterized composite materials made from peanut shell-derived carbon (PNS-C) decorated on ZnO that formed star-shaped particles via a simple hydrothermal technique. The as-prepared composites possess several advantages, including unique optical properties and high photostability. We evaluate the antibacterial performance against Escherichia coli, a gram-negative bacterium and Staphylococcus aureus, a gram-positive bacterium, under irradiated and non-irradiated conditions. Interestingly, the photo-antibacterial activities of ZnO/PNS-C composites showed great inhibition of bacterial growth as compared to pure ZnO. Moreover, significant disruptions in cellular activities occur when the composites make direct contact with the bacterial cell wall. The electrons and holes produced by excitation in composites provide a pronounced deactivating effect on bacterial activity. In addition, ZnO/PNS-C composites are highly biocompatible with normal cells. Thus, these newly developed composites made from a natural biowaste system with an affordable price, abundance, and non-toxicity could provide a potentially environmentally friendly and fruitful route for antibacterial therapy in future applications.
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Affiliation(s)
- Fasih Bintang Ilhami
- Department of Natural Science, Faculty of Mathematics and Natural Science, Universitas Negeri Surabaya, Surabaya, 60231, Indonesia
| | - Fitriana
- Department of Physics, Faculty of Mathematics and Natural Science, Universitas Negeri Surabaya, Surabaya, 60231, Indonesia
| | - Tjandrawati Mozef
- Research Center for Pharmaceutical Ingredients and Traditional Medicine, National Research and Inovation Agency, Tangerang Selatan, 15314, Indonesia
| | - Muh Nur Khoiru Wihadi
- Research Center for Chemistry, National Research and Innovation Agency (BRIN), Republik Indonesia, Kawasan Sains dan Teknologi (KST) B. J. Habibie, Tangerang Selatan, 15311, Indonesia
| | - Munasir
- Department of Physics, Faculty of Mathematics and Natural Science, Universitas Negeri Surabaya, Surabaya, 60231, Indonesia
| | - Mufidatul Khasanah
- Department of Natural Science, Faculty of Mathematics and Natural Science, Universitas Negeri Surabaya, Surabaya, 60231, Indonesia
| | - Nugrahani Primary Putri
- Department of Physics, Faculty of Mathematics and Natural Science, Universitas Negeri Surabaya, Surabaya, 60231, Indonesia
| | - Diah Hari Kusumawati
- Department of Physics, Faculty of Mathematics and Natural Science, Universitas Negeri Surabaya, Surabaya, 60231, Indonesia
| | - Chen-Yu Kao
- Graduate Institute of Biomedical Engineering, National Taiwan University of Science and Technology, Taipei, 10607, Taiwan
| | - Dong-Hau Kuo
- Department of Materials Science and Engineering, National Taiwan University of Science and Technology, No.43, Sec. 4, Keelung Road, Taipei, 10607, Taiwan
| | - Noto Susanto Gultom
- Department of Materials Science and Engineering, National Taiwan University of Science and Technology, No.43, Sec. 4, Keelung Road, Taipei, 10607, Taiwan
- Department of Physics, Universitas Padjadjaran, Bandung, 45363, Indonesia
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7
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Rizk M, Ramzy E, Toubar S, Mahmoud AM, A. El Hamd M, Alshehri S, Helmy MI. Bioinspired Carbon Dots-Based Fluorescent Sensor for the Selective Determination of a Potent Anti-Inflammatory Drug in the Presence of Its Photodegradation Products. ACS OMEGA 2024; 9:27517-27527. [PMID: 38947834 PMCID: PMC11209878 DOI: 10.1021/acsomega.4c02757] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/21/2024] [Revised: 05/17/2024] [Accepted: 06/05/2024] [Indexed: 07/02/2024]
Abstract
Herein, we synthesized biogenic carbon dots (CDs) with blue-shifted maximum excitation (λex/λem of 320/404 nm) from largely wasted tangerine seeds for the first time via a one-step hydrothermal method. The biogenic CDs exhibit a maximum excitation wavelength that overlaps with the absorption spectrum of ketorolac tromethamine (KETO) at 320 nm. The developed CDs serve as a turn-off fluorescent probe via an inner filter effect (IFE) quenching mechanism. The resulting CDs have high quantum yield (QY) (39% ± 2.89%, n = 5) and exhibited great performance toward KETO over a concentration range of 0.50-16.00 μg/mL with a limit of detection (LOD) = 0.17 μg/mL. The nanoprobe achieved a high % recovery in assaying KETO in tablet dosage form and had not been significantly affected by various interferents including co-formulated and co-administered drugs. The nanoprobe shows selectivity toward KETO, even in the presence of its photocatalytic degradation products. It can effectively investigate the elimination of KETO from aquatic systems and test its stability in pharmaceutical preparations. The developed nanoprobe underwent a comprehensive evaluation of its environmental impact using analytical eco-scale (AES), complex green analytical procedure index (Complex GAPI), and the Analytical GREEnness calculator (AGREE). The sustainability of the developed nano sensor was assessed and compared to the reported metal-based quantum dots probe for KETO using the innovative RGB 12 model, considering 12 white analytical chemistry (WAC) perspectives.
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Affiliation(s)
- Mohamed Rizk
- Department
of Analytical Chemistry, Faculty of Pharmacy, Helwan University, EinHelwan, Cairo 11795, Egypt
| | - Emad Ramzy
- Department
of Analytical Chemistry, Faculty of Pharmacy, Helwan University, EinHelwan, Cairo 11795, Egypt
| | - Safaa Toubar
- Department
of Analytical Chemistry, Faculty of Pharmacy, Helwan University, EinHelwan, Cairo 11795, Egypt
| | - Amr M. Mahmoud
- Department
of Analytical Chemistry, Faculty of Pharmacy, Cairo University, Kasr El-Aini Street, Cairo 11562, Egypt
| | - Mohamed A. El Hamd
- Department
of Pharmaceutical Chemistry, College of Pharmacy, Shaqra University, Shaqra 11961, Saudi Arabia
- Department
of Pharmaceutical Analytical Chemistry, Faculty of Pharmacy, South Valley University, Qena 83523, Egypt
| | - Sultan Alshehri
- Department
of Pharmaceutics, College of Pharmacy, King
Saud University, Riyadh 11451, Saudi Arabia
| | - Marwa I. Helmy
- Department
of Analytical Chemistry, Faculty of Pharmacy, Helwan University, EinHelwan, Cairo 11795, Egypt
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8
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Singh P, Bhankar V, Kumar S, Kumar K. Biomass-derived carbon dots as significant biological tools in the medicinal field: A review. Adv Colloid Interface Sci 2024; 328:103182. [PMID: 38759449 DOI: 10.1016/j.cis.2024.103182] [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: 02/10/2024] [Revised: 04/25/2024] [Accepted: 05/10/2024] [Indexed: 05/19/2024]
Abstract
Early disease detection is crucial since it raises the likelihood of treatment and considerably lowers the cost of therapy. Therefore, the improvement of human life and health depends on the development of quick, efficient, and credible biosensing methods. For improving the quality of biosensors, distinct nanostructures have been investigated; among these, carbon dots have gained much interest because of their great performance. Carbon dots, the essential component of fluorescence nanoparticles, having outstanding chemical characteristics, superb biocompatibility, chemical inertness, low toxicity and potential optical characteristics have attracted the researchers from every corner of the globe. Several carbon dots applications have been thoroughly investigated in recent decade, from optoelectronics to biomedical investigations. This review study primarily emphasizes the recent advancements in the field of biomass-derived carbon dots-based drug delivery, gene delivery and bioimaging, and highlights achievements in two major areas: in vivo applications that involve carbon dots absorption in zebrafish and mice, tumour therapeutics, and imaging-guided drug delivery. Additionally, the possible advantages, difficulties, and future possibilities of using carbon dots for biological applications are also explored.
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Affiliation(s)
- Permender Singh
- Department of Chemistry, Deenbandhu Chhotu Ram University of Science & Technology, Murthal, Sonepat 131039, Haryana, India
| | - Vinita Bhankar
- Department of Biochemistry, Kurukshetra University, Kurukshetra 136119, Haryana, India.
| | - Sandeep Kumar
- Department of Chemistry, J. C. Bose University of Science & Technology, YMCA, Faridabad 121006, Haryana, India
| | - Krishan Kumar
- Department of Chemistry, Deenbandhu Chhotu Ram University of Science & Technology, Murthal, Sonepat 131039, Haryana, India.
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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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10
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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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11
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Ullal N, Mehta R, Sunil D. Separation and purification of fluorescent carbon dots - an unmet challenge. Analyst 2024; 149:1680-1700. [PMID: 38407365 DOI: 10.1039/d3an02134c] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/27/2024]
Abstract
Literature reports demonstrate versatile optical applications of fluorescent carbon dots (CDs) in biological imaging, full-color solid-state lighting, optoelectronics, sensing, anticounterfeiting and so on. The fluorescence associated with CDs may originate significantly from byproducts generated during their synthesis, which need to be eliminated to achieve error-free results. The significance of purification, specifically for luminescence-based characterizations, is highly critical and imperative. Thus, there is a pressing demand to implement consistent and adequate purification strategies to reduce sample complexity and thereby realize reliable results that can provide a tactical steppingstone towards the advancement of CDs as next-generation optical materials. The article focuses on the mechanism of origin of fluorescence from CDs and further demonstrates the different purification approaches including dialysis, centrifugation, filtration, solvent extraction, chromatography, and electrophoresis that have been adopted by various researchers. Furthermore, the fundamental separation mechanism, as well as the advantages and limitations of each of these purification techniques are discussed. The article finally provides the critical challenges of these purification techniques that need to be overcome to obtain homogeneous CD fractions that demonstrate coherent and reliable optical features for suitable applications.
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Affiliation(s)
- Namratha Ullal
- Department of Chemistry, Manipal Institute of Technology, Manipal Academy of Higher Education, Manipal-576104, Karnataka, India.
| | - Riya Mehta
- Department of Chemistry, Manipal Institute of Technology, Manipal Academy of Higher Education, Manipal-576104, Karnataka, India.
| | - Dhanya Sunil
- Department of Chemistry, Manipal Institute of Technology, Manipal Academy of Higher Education, Manipal-576104, Karnataka, India.
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12
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Dutt Sharma V, Kansay V, Chandan G, Bhatia A, Kumar N, Chakrabarti S, Bera MK. Down-conversion luminescence nanocomposites based on nitrogen-doped carbon quantum dots@bioplastic for applications in optical displays, LEDs and UVC tubes. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2024; 312:124065. [PMID: 38402703 DOI: 10.1016/j.saa.2024.124065] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/29/2023] [Revised: 12/18/2023] [Accepted: 02/19/2024] [Indexed: 02/27/2024]
Abstract
Carbon quantum dots (CQDs)-based composites as luminous down-conversion materials are becoming more popular due to several advantages such as steady fluorescence, ease of functionalization, tailoring of emission in the visible range, and so on. We report an inexpensive and environmentally sustainable synthesis of fluorescent nitrogen doped-CQDs produced from Cissus quadrangularis, a low-cost plant precursor with therapeutic value. The morphological, structural, and physicochemical features of the material were carefully investigated. Under UV stimulation (365 nm), almost spherical shaped N-CQDs with an average diameter of 5.1 nm were discovered to generate yellow-green fluorescence, have excellent photostability, and strong water solubility, with a quantum yield of up to 5 %. Furthermore, as a solid-phase dispersion matrix for CQDs, ecologically friendly and biodegradable bioplastic is appealing. The down-conversion of solid-state fluorescence of LEDs and UVC tubes was demonstrated by creating a nanocomposite by inserting N-CQDs into the solid matrix of a wheat starch-based bioplastic. Furthermore, employing constructed quantum dot-based optical displays, down-converted LEDs, and UVC tubes, the impacts of varied CQD concentrations and pH sensitivity were examined.
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Affiliation(s)
- Varun Dutt Sharma
- Department of Physics, Maharishi Markandeshwar (Deemed to be University), Mullana Ambala (133207), Haryana, India
| | - Vishal Kansay
- Department of Physics, Maharishi Markandeshwar (Deemed to be University), Mullana Ambala (133207), Haryana, India
| | - G Chandan
- Department of Biochemistry, M M Institute of Medical Sciences and Research, Maharishi Markandeshwar (Deemed to be University), Mullana, Ambala (133207), Haryana, India
| | - Anita Bhatia
- Department of Chemistry, School of Physical Sciences, DIT University, Dehradun, Uttarakhand, India
| | - Nikhil Kumar
- Advanced Materials and Process Division, CSIR-National Metallurgical Laboratory, Jamshedpur 831007, Jharkhand, India
| | - S Chakrabarti
- Department of Biochemistry, M M Institute of Medical Sciences and Research, Maharishi Markandeshwar (Deemed to be University), Mullana, Ambala (133207), Haryana, India
| | - M K Bera
- Department of Physics, Maharishi Markandeshwar (Deemed to be University), Mullana Ambala (133207), Haryana, India.
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13
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Das S, Mondal S, Ghosh D. Carbon quantum dots in bioimaging and biomedicines. Front Bioeng Biotechnol 2024; 11:1333752. [PMID: 38318419 PMCID: PMC10841552 DOI: 10.3389/fbioe.2023.1333752] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2023] [Accepted: 12/29/2023] [Indexed: 02/07/2024] Open
Abstract
Carbon quantum dots (CQDs) are gaining a lot more attention than traditional semiconductor quantum dots owing to their intrinsic fluorescence property, chemical inertness, biocompatibility, non-toxicity, and simple and inexpensive synthetic route of preparation. These properties allow CQDs to be utilized for a broad range of applications in various fields of scientific research including biomedical sciences, particularly in bioimaging and biomedicines. CQDs are a promising choice for advanced nanomaterials research for bioimaging and biomedicines owing to their unique chemical, physical, and optical properties. CQDs doped with hetero atom, or polymer composite materials are extremely advantageous for biochemical, biological, and biomedical applications since they are easy to prepare, biocompatible, and have beneficial properties. This type of CQD is highly useful in phototherapy, gene therapy, medication delivery, and bioimaging. This review explores the applications of CQDs in bioimaging and biomedicine, highlighting recent advancements and future possibilities to increase interest in their numerous advantages for therapeutic applications.
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Affiliation(s)
- Surya Das
- Department of Chemistry, University of Kalyani, Kalyani, India
| | - Somnath Mondal
- Department of Chemistry, Pennsylvania State University, State College, PA, United States
| | - Dhiman Ghosh
- Department of Chemistry and Applied Biosciences, Zurich, Switzerland
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14
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Annisa WD, Permatasari FA, Iskandar F, Rachmawati H. Functionalized Phytochemicals-Embedded Carbon Dots Derived from Medicinal Plant for Bioimaging Application. ACS APPLIED BIO MATERIALS 2024; 7:114-123. [PMID: 38096155 DOI: 10.1021/acsabm.3c00575] [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] [Indexed: 01/16/2024]
Abstract
Precise visualization of biological processes necessitates reliable coloring technologies, and fluorescence imaging has emerged as a powerful method for capturing dynamic cellular events. Low emission intensity and solubility of intrinsic fluorescence are still challenging, hindering their application in the biomedical field. The nanostructurization and functionalization of the insoluble phytochemicals, such as chlorophyll and curcumin, into carbon dots (CDs) were conducted to address these challenges. Due to their unique fluorescence characteristics and biocompatibility, CDs derived from medicinal plants hold promise as bioimaging agents. Further, the nitrogen in situ functionalization of the as-synthesized CDs offered tunable optical properties and enhanced solubility. The surface modification aims to achieve a more positive zeta potential, facilitating penetration through biological membranes. This work provides valuable insights into utilizing functionalized phytochemical-embedded carbon dots for bioimaging applications. The doping of nitrogen by adding urea showed an alteration of surface charge, which is more positive based on zeta potential measurement. The more positive CD particles showed that Andrographis paniculata-urea-based CDs were the best particles to penetrate cells than others related to the alteration of the surface charge and the functional group of the CDs, with the optimum dose of 12.5 μg/mL for 3 h of treatment for bioimaging assay.
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Affiliation(s)
- Windy Dwi Annisa
- Research Center for Nanosciences and Nanotechnology, Institut Teknologi Bandung, Ganesa 10, Bandung 40132, Indonesia
| | - Fitri Aulia Permatasari
- Research Center for Nanosciences and Nanotechnology, Institut Teknologi Bandung, Ganesa 10, Bandung 40132, Indonesia
- Department of Physics, Faculty of Mathematics and Natural Sciences, Institut Teknologi Bandung, Bandung 40132, Indonesia
- Collaboration Research Center for Advanced Energy Materials, National Research and Innovation Agency─Institut Teknologi Bandung, Jalan Ganesha 10, Bandung 40132, West Java, Indonesia
| | - Ferry Iskandar
- Research Center for Nanosciences and Nanotechnology, Institut Teknologi Bandung, Ganesa 10, Bandung 40132, Indonesia
- Department of Physics, Faculty of Mathematics and Natural Sciences, Institut Teknologi Bandung, Bandung 40132, Indonesia
- Collaboration Research Center for Advanced Energy Materials, National Research and Innovation Agency─Institut Teknologi Bandung, Jalan Ganesha 10, Bandung 40132, West Java, Indonesia
| | - Heni Rachmawati
- Research Center for Nanosciences and Nanotechnology, Institut Teknologi Bandung, Ganesa 10, Bandung 40132, Indonesia
- Research Group of Pharmaceutics─School of Pharmacy, Institut Teknologi Bandung, Ganesa 10, Bandung 40132, Indonesia
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15
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Wang B, Luo W, Wu D, Li S, Geng F. One-pot synthesis of full-color carbon dots with N, O surface-state energy-gap-controlled emission. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2023; 303:123117. [PMID: 37459663 DOI: 10.1016/j.saa.2023.123117] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/11/2023] [Revised: 06/24/2023] [Accepted: 07/07/2023] [Indexed: 09/20/2023]
Abstract
An easy and effective route for preparing full-color (blue, green, yellow and red) carbon dots (CDs) with brilliant and stable photoluminescent (PL) was developed by using gallic acid and o-Phenylenediamine as precursors. The resulting CDs were then separated by silica-gel column chromatography. The prepared four types of CDs owned high quantum yields (up to 11.2%) and exhibited attractive features such as excellent solubility, high stability, excitation wavelength-independent PL, mono-exponential PL lifetimes, low cell toxicity and homogeneous optical properties. Then, the mechanism of full-color CDs PL was explored. The results suggested that the surface-states of prepared CDs, especially the pyridine N (C = N) and C = O functional groups, were primarily responsible for the full-color PL emission. The blue CDs had the largest content of C = O while the CDs turned to be green as the C = O decreased and the C = N content increased. The surface state regulation of C = N bond was dominant in yellow CDs while red CDs possessed highest content of C = N and new -COOH appeared. The gradual substitution of C = N to C = O made the band gap of CDs narrowed, which is the main reason for the redshift of CDs PL emission peak. Importantly, the easy preparation and unique optical features of these CDs made them potentially useful in numerous applications such as full-color cell labeling, drug delivery and optoelectronic technologies.
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Affiliation(s)
- Beibei Wang
- Institute for Advanced Study, Chengdu University, Chengdu 610106, China
| | - Wei Luo
- Institute for Advanced Study, Chengdu University, Chengdu 610106, China
| | - Di Wu
- Institute for Advanced Study, Chengdu University, Chengdu 610106, China
| | - Shugang Li
- Engineering Research Center of Bio-process (Ministry of Education), Key Laboratory for Agricultural Products Processing of Anhui Province, School of Food and Biological Engineering, Hefei University of Technology, Hefei 230601, China
| | - Fang Geng
- Institute for Advanced Study, Chengdu University, Chengdu 610106, China.
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16
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Tade RS, Kalkal A, Patil PO. Functionalized Graphene Quantum Dots (GQDs) based Label-Free Optical Fluorescence Sensor for CD59 Antigen Detection and Cellular Bioimaging. J Fluoresc 2023:10.1007/s10895-023-03501-y. [PMID: 37976023 DOI: 10.1007/s10895-023-03501-y] [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: 10/01/2023] [Accepted: 11/06/2023] [Indexed: 11/19/2023]
Abstract
Cluster of differentiation (CD59), a cell surface glycoprotein, regulates the complement system to prevent immune damage. In cancer, altered CD59 expression allows tumors to evade immune surveillance, promote growth, and resist certain immunotherapies. Targeting CD59 could enhance cancer treatment strategies by boosting the immune response against tumors. Herein, we present a one-step synthesis of Polyethyleneimine (PEI) functionalized graphene quantum dots (Lf-GQDs) from weathered lemon leaf extract. The fabricated Lf-GQDs were successfully used for the quantitative detection of the cluster of CD59 antigen that is reported for its expression in different types of cancer. In this work, we utilized orientation-based attachment of CD59 antibody (Anti-CD59). Our findings reveal that, instead of using random serial addition of antigen or antibody, oriented conjugation saves accumulated concentration offering greater sensitivity and selectivity. The Anti-CD59@Lf-GQDs immunosensor was fabricated using the oriented conjugation of antibodies onto the Lf-GQDs surface. Besides, the fabricated immunosensor demonstrated detection of CD59 in the range of 0.01 to 40.0 ng mL-1 with a low detection limit of 5.3 pg mL-1. Besides, the cellular uptake potential of the synthesized Lf-GQDs was also performed in A549 cells using a bioimaging study. The present approach represents the optimal utilization of Anti-CD59 and CD59 antigen. This approach could afford a pathway for constructing oriented conjugation of antibodies on the nanomaterials-based immunosensor for different biomarkers detection.
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Affiliation(s)
- Rahul Shankar Tade
- Department of Pharmaceutical Chemistry, H. R. Patel Institute of Pharmaceutical Education and Research, Shirpur - 425405, (MS), India
| | - Ashish Kalkal
- Department of Bioscience and Bioengineering, Indian Institute of Technology, Roorkee, 247667, Uttarakhand, India
| | - Pravin Onkar Patil
- Department of Pharmaceutical Chemistry, H. R. Patel Institute of Pharmaceutical Education and Research, Shirpur - 425405, (MS), India.
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17
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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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18
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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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19
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Sawalha S, Abdallah S, Barham A, Badawi H, Barham Z, Ghareeb A, Misia G, Collavini S, Silvestri A, Prato M, Assali M. Green synthesis of fluorescent carbon nanodots from sage leaves for selective anticancer activity on 2D liver cancer cells and 3D multicellular tumor spheroids. NANOSCALE ADVANCES 2023; 5:5974-5982. [PMID: 37881717 PMCID: PMC10597557 DOI: 10.1039/d3na00269a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/23/2023] [Accepted: 09/17/2023] [Indexed: 10/27/2023]
Abstract
Carbon nanodots, a family of carbon-based nanomaterials, have been synthesized through different methods from various resources, affecting the properties of the resulting product and their application. Herein, carbon nanodots (CNDs) were synthesized with a green and simple hydrothermal method from sage leaves at 200 °C for 6 hours. The obtained CNDs are well dispersed in water with a negative surface charge (ζ-potential = -11 mV) and an average particle size of 3.6 nm. The synthesized CNDs showed concentration-dependent anticancer activity toward liver cancer (Hep3B) cell lines and decreased the viability of the cancer cells to 23% at the highest used concentration (250 μg ml-1 of CNDs). More interestingly, the cytotoxicity of the CNDs was tested in normal liver cell lines (LX2) revealed that the CNDs at all tested concentrations didn't affect their viability including at the highest concentration showing a viability of 86.7%. The cellular uptake mechanisms of CNDs were investigated and they are thought to be through energy-dependent endocytosis and also through passive diffusion. The main mechanisms of endocytosis were lipid and caveolae-mediated endocytosis. In addition, the CNDs have hindered the formation of 3D spheroids from the Hep3B hepatocellular carcinoma cell line. Hence, it would be concluded that the synthesized CNDs from sage are more highly selective to liver cancer cells than normal ones. The CNDs' cancer-killing ability would be referred to as the production of reactive oxygen species.
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Affiliation(s)
- Shadi Sawalha
- Chemical Engineering Program, Faculty of Engineering and Information Technology, An-Najah National University P.O. Box 7 Nablus Palestine
| | - Samer Abdallah
- Department of Biology and Biotechnology, Faculty of Science, An-Najah National University P.O. Box 7 Nablus Palestine
| | - Amal Barham
- Chemical Engineering Program, Faculty of Engineering and Information Technology, An-Najah National University P.O. Box 7 Nablus Palestine
| | - Hala Badawi
- Chemical Engineering Program, Faculty of Engineering and Information Technology, An-Najah National University P.O. Box 7 Nablus Palestine
| | - Zeina Barham
- Chemical Engineering Program, Faculty of Engineering and Information Technology, An-Najah National University P.O. Box 7 Nablus Palestine
| | - Ahmad Ghareeb
- Department of Pharmacy, Faculty of Medicine and Health Sciences, An-Najah National University P.O. Box 7 Nablus Palestine
| | - Giuseppe Misia
- Department of Chemical and Pharmaceutical Sciences INSTM UdR Trieste, University of Trieste via Licio Giorgieri 1 34127 Trieste Italy
| | - Silvia Collavini
- Center for Cooperative Research in Biomaterials (CIC BiomaGUNE), Basque Research and Technology Alliance (BRTA) Donostia-San Sebastián 20014 Spain
| | - Alessandro Silvestri
- Department of Molecular Sciences and Nanosystems, Ca' Foscari University of Venice Venezia 30170 Italy
| | - Maurizio Prato
- Department of Chemical and Pharmaceutical Sciences INSTM UdR Trieste, University of Trieste via Licio Giorgieri 1 34127 Trieste Italy
- Center for Cooperative Research in Biomaterials (CIC BiomaGUNE), Basque Research and Technology Alliance (BRTA) Donostia-San Sebastián 20014 Spain
| | - Mohyeddin Assali
- Department of Pharmacy, Faculty of Medicine and Health Sciences, An-Najah National University P.O. Box 7 Nablus Palestine
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Sheikh MA, Chandok RS, Abida K. High energy density storage, antifungal activity and enhanced bioimaging by green self-doped heteroatom carbon dots. DISCOVER NANO 2023; 18:132. [PMID: 37870636 PMCID: PMC10593680 DOI: 10.1186/s11671-023-03910-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/24/2023] [Accepted: 10/19/2023] [Indexed: 10/24/2023]
Abstract
Self-heteroatom-doped N-carbon dots (N-CDs) with a 2.35 eV energy gap and a 65.5% fluorescence quantum yield were created using a one-step, efficient, inexpensive, and environmentally friendly microwave irradiation method. FE-SEM, EDX, FT-IR, XRD, UV-VIS spectroscopy, FL spectroscopy, and CV electrochemical analysis were used to characterise the produced heteroatom-doped N-CDs. The graphitic carbon dot surface is doped with heteroatom functional groups such (S, P, K, Mg, Zn) = 1%, in addition to the additional passivating agent (N), according to the EDX surface morphology and the spontaneous heteroatom doping was caused by the heterogeneous chemical composition of pumpkin seeds. These spontaneous heteroatom-doped N-CDs possess quasispherical amorphous graphitic structure with an average size of less than 10 nm and the interplaner distance of 0.334 nm. Calculations utilising cyclic voltammetry showed that the heteroatom-doped N-CDs placed on nickel electrodes had a high specific capacitance value of 1044 F/g at a scan rate of 10 mV/s in 3 M of KOH electrolyte solution. Furthermore, it demonstrated a high energy and power density of 28.50 Wh/kg and 3350 W/kg, respectively. The higher value of specific capacitance and energy density were attributed to the fact that the Ni/CDs electrode material possesses both EDLC and PC properties due to the sufficient surface area and the multiple active sites of the prepared N-CDs. Furthermore, the heteroatom N-CDs revealed the antifungal action and bioimaging of the "Cladosporium cladosporioides" mould, which is mostly accountable for economic losses in agricultural products. The functional groups of nitrogen, sulphur, phosphorus, and zinc on the surface of the CDs have strong antibacterial and antifungal properties as well as fluorescence enhanced bioimaging.
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Affiliation(s)
| | - R S Chandok
- Sri Guru Tegh Bahadur Khalsa College, Jabalpur, India
| | - Khan Abida
- Government Degree College for Women Anantnag, Srinagar, India
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21
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Singh P, Arpita, Kumar S, Kumar P, Kataria N, Bhankar V, Kumar K, Kumar R, Hsieh CT, Khoo KS. Assessment of biomass-derived carbon dots as highly sensitive and selective templates for the sensing of hazardous ions. NANOSCALE 2023; 15:16241-16267. [PMID: 37439261 DOI: 10.1039/d3nr01966g] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 07/14/2023]
Abstract
Access to safe drinking water and a hygienic living environment are the basic necessities that encourage healthy living. However, the presence of various pollutants (especially toxic heavy metal ions) at high concentrations in water renders water unfit for drinking and domestic use. The presence of high concentrations of heavy-metal ions (e.g., Pb2+, Hg2+, Cr6+, Cd2+, or Cu2+) greater than their permissible limits adversely affects human health, and increases the risk of cancer of the kidneys, liver, skin, and central nervous system. Therefore, their detection in water is crucial. Due to the various benefits of "green"-synthesized carbon-dots (C-dots) over other materials, these materials are potential candidates for sensing of toxic heavy-metal ions in water sources. C-dots are very small carbon-based nanomaterials that show chemical stability, magnificent biocompatibility, excitation wavelength-dependent photoluminescence (PL), water solubility, simple preparation strategies, photoinduced electron transfer, and the opportunity for functionalization. A new family of C-dots called "carbon quantum dots" (CQDs) are fluorescent zero-dimensional carbon nanoparticles of size < 10 nm. The green synthesis of C-dots has numerous advantages over conventional chemical routes, such as utilization of inexpensive and non-poisonous materials, straightforward operations, rapid reactions, and renewable precursors. Natural sources, such as biomass and biomass wastes, are broadly accepted as green precursors for fabricating C-dots because these sources are economical, ecological, and readily/extensively accessible. Two main methods are available for C-dots production: top-down and bottom-up. Herein, this review article discusses the recent advancements in the green fabrication of C-dots: photostability; surface structure and functionalization; potential applications for the sensing of hazardous anions and toxic heavy-metal ions; binding of toxic ions with C-dots; probable mechanistic routes of PL-based sensing of toxic heavy-metal ions. The green production of C-dots and their promising applications in the sensing of hazardous ions discussed herein provides deep insights into the safety of human health and the environment. Nonetheless, this review article provides a resource for the conversion of low-value biomass and biomass waste into valuable materials (i.e., C-dots) for promising sensing applications.
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Affiliation(s)
- Permender Singh
- Department of Chemistry, Deenbandhu Chhotu Ram University of Science & Technology, Murthal, Sonipat-131039, Haryana, India.
| | - Arpita
- J. C. Bose University of Science & Technology, YMCA, Faridabad-121006, Haryana, India.
| | - Sandeep Kumar
- J. C. Bose University of Science & Technology, YMCA, Faridabad-121006, Haryana, India.
| | - Parmod Kumar
- J. C. Bose University of Science & Technology, YMCA, Faridabad-121006, Haryana, India.
| | - Navish Kataria
- J. C. Bose University of Science & Technology, YMCA, Faridabad-121006, Haryana, India.
| | - Vinita Bhankar
- Department of Biochemistry, Kurukshetra University, Kurukshetra-136119, Haryana, India
| | - Krishan Kumar
- Department of Chemistry, Deenbandhu Chhotu Ram University of Science & Technology, Murthal, Sonipat-131039, Haryana, India.
| | - Ravi Kumar
- J. C. Bose University of Science & Technology, YMCA, Faridabad-121006, Haryana, India.
| | - Chien-Te Hsieh
- Department of Chemical Engineering and Materials Science, Yuan Ze University, Taoyuan, Taiwan.
- Department of Mechanical, Aerospace, and Biomedical Engineering, University of Tennessee, Knoxville, TN 37996, USA
| | - Kuan Shiong Khoo
- Department of Chemical Engineering and Materials Science, Yuan Ze University, Taoyuan, Taiwan.
- Centre for Herbal Pharmacology and Environmental Sustainability, Chettinad Hospital and Research Institute, Chettinad Academy of Research and Education, Kelambakkam-603103, Tamil Nadu, India
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22
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A/P Chowmasundaram Y, Tan TL, Nulit R, Jusoh M, Rashid SA. Recent developments, applications and challenges for carbon quantum dots as a photosynthesis enhancer in agriculture. RSC Adv 2023; 13:25093-25117. [PMID: 37622012 PMCID: PMC10445218 DOI: 10.1039/d3ra01217d] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2023] [Accepted: 08/15/2023] [Indexed: 08/26/2023] Open
Abstract
Since the world's population is expanding, mankind may be faced with a huge dilemma in the future, which is food scarcity. The situation can be mitigated by employing sustainable cutting-edge agricultural methods to maintain the food supply chain. In recent years, carbon quantum dots (CQD), a member of the well-known carbon-based nanomaterials family, have given rise to a new generation of technologies that have the potential to revolutionise horticulture and agriculture research. CQD has drawn much attention from the research community in agriculture owing to their remarkable properties such as good photoluminescence behaviour, high biocompatibility, photo-induced electron transfer, low cost, and low toxicity. These unique properties have led CQD to become a promising material to increase plant growth and yield in the agriculture field. This review paper highlights the recent advances of CQD application in plant growth and photosynthesis rate at different concentrations, with a focus on CQD uptake and translocation, as well as electron transfer mechanism. The toxicity and biocompatibility studies of CQD, as well as industrial scale applications of CQD for agriculture are discussed. Finally, the current challenges of the present and future perspectives in this agriculture research are presented.
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Affiliation(s)
- Yamuna A/P Chowmasundaram
- Institute of Nanoscience and Nanotechnology, Universiti Putra Malaysia 43400 UPM Serdang Selangor Malaysia
| | - Tong Ling Tan
- Institute of Nanoscience and Nanotechnology, Universiti Putra Malaysia 43400 UPM Serdang Selangor Malaysia
| | - Rosimah Nulit
- Department of Biology, Faculty Science, Universiti Putra Malaysia 43400 UPM Serdang Selangor Malaysia
| | - Mashitah Jusoh
- Department of Crop Science, Faculty of Agriculture, Universiti Putra Malaysia 43400 Selangor Malaysia
| | - Suraya Abdul Rashid
- Institute of Nanoscience and Nanotechnology, Universiti Putra Malaysia 43400 UPM Serdang Selangor Malaysia
- Department of Chemical and Environmental Engineering, Faculty of Engineering, Universiti Putra Malaysia 43400 UPM Serdang Selangor Malaysia
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23
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Wang L, Weng S, Su S, Wang W. Progress on the luminescence mechanism and application of carbon quantum dots based on biomass synthesis. RSC Adv 2023; 13:19173-19194. [PMID: 37362342 PMCID: PMC10288538 DOI: 10.1039/d3ra02519e] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2023] [Accepted: 06/12/2023] [Indexed: 06/28/2023] Open
Abstract
With the continuous development of carbon-based materials, a variety of new materials have emerged one after another. Carbon Quantum Dots (CQDs) have succeeded in standing out from the crowd of new materials due to their better optical properties in biomedicine, ion detection, anti-counterfeiting materials and photocatalysis. In recent years, through the continuous exploration of CQDs, research scholars have found that the organic substances or heavy metals contained in traditional ones can cause irreversible harm to people and the environment. Therefore, the application of traditional CQDs in future studies will be gradually limited. Among various new materials, biomass raw materials have the merits of good biocompatibility, lower toxicity and green and environmental protection, which largely overcome the defects of traditional materials and have attracted many scholars to focus on the research and development of various biomass CQDs. This paper summarises the optical properties, fluorescence mechanisms, synthetic methods, functionalisation modulation of biomass CQDs and their relevant research progress in the fields of ion detection, bioimaging, biomedicine, biosensing, solar cells, anti-counterfeit materials, photocatalysis and capacitors. Finally, the paper concludes with some discussion of the challenges and prospects of this exciting and promising field of application.
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Affiliation(s)
- Lei Wang
- School of Life Science and Chemistry, MinNan Science and Technology University Quanzhou 362332 China
| | - Shujia Weng
- School of Life Science and Chemistry, MinNan Science and Technology University Quanzhou 362332 China
| | - Shuai Su
- School of Life Science and Chemistry, MinNan Science and Technology University Quanzhou 362332 China
| | - Weiwei Wang
- School of Life Science and Chemistry, MinNan Science and Technology University Quanzhou 362332 China
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24
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Alaqel SI, Abdullah O, Alharbi A, Althobaiti YS, Alturki MS, Ramzy S, Almalki AH. Guava-fruit based synthesis of carbon quantum dots for spectrofluorometric quantitative analysis of risperidone in spiked human plasma and pharmaceutical dosage forms. RSC Adv 2023; 13:17765-17774. [PMID: 37323441 PMCID: PMC10262015 DOI: 10.1039/d3ra02855k] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2023] [Accepted: 06/06/2023] [Indexed: 06/17/2023] Open
Abstract
Autism is one of the most pressing issues facing the international community in recent years, particularly in Middle Eastern countries. Risperidone is a selective serotonin type 2 and dopamine type 2 receptor antagonist. It is the most administered antipsychotic medication in children with autism-related behavioral disorders. Therapeutic monitoring of risperidone may improve safety and efficacy in autistic individuals. The main objective of this work was to develop a highly sensitive green fitted method for the determination of risperidone in the plasma matrix and pharmaceutical dosage forms. Novel water-soluble N-carbon quantum dots were synthesized from guava fruit, a natural green precursor, and used for determination of risperidone based on quenching fluorescence spectroscopy phenomena. The synthesized dots were characterized by transmission electron microscopy and Fourier transform infrared spectroscopy. The synthesized N-carbon quantum dots exhibited aquantum yield of 26.12% and showed a strong emission fluorescence peak at 475 nm when excited at 380 nm. The fluorescence intensity of the N-carbon quantum dots decreased with increasing risperidone concentration, indicating that the fluorescence quenching was concentration dependent. The presented method was carefully optimized and validated according to the guidelines of ICH, and it demonstrated good linearity in a concentration range of 5-150 ng mL-1. With a LOD of 1.379 ng mL-1 and a LOQ of 4.108 ng mL-1, the technique was extremely sensitive. Due to the high sensitivity of the proposed method, it could be effectively used for the determination of risperidone in the plasma matrix. The proposed method was compared with the previously reported HPLC method in terms of sensitivity and green chemistry metrics. The proposed method proved to be more sensitive and compatible with the principles of green analytical chemistry.
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Affiliation(s)
- Saleh I Alaqel
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Northern Border University Rafha 91911 Saudi Arabia
| | - Omeima Abdullah
- Pharmaceutical Chemistry Department, College of Pharmacy, Umm Al-Qura University Makkah Saudi Arabia
| | - Adnan Alharbi
- Clinical Pharmacy Department, College of Pharmacy, Umm Al-Qura University Makkah Saudi Arabia
| | - Yusuf S Althobaiti
- Addiction and Neuroscience Research Unit, Health Science Campus, Taif University P.O. Box 11099 Taif 21944 Saudi Arabia
- Department of Pharmacology and Toxicology, Taif University P.O. Box 11099 Taif 21944 Saudi Arabia
| | - Mansour S Alturki
- Department of Pharmaceutical Chemistry, College of Clinical Pharmacy, Imam Abdulrahman Bin Faisal University 34212 Dammam Saudi Arabia
| | - Sherif Ramzy
- Pharmaceutical Analytical Chemistry Department, Faculty of Pharmacy, Al-Azhar University 11751 Nasr City Cairo Egypt
| | - Atiah H Almalki
- Addiction and Neuroscience Research Unit, Health Science Campus, Taif University P.O. Box 11099 Taif 21944 Saudi Arabia
- Department of Pharmaceutical Chemistry, College of Pharmacy, Taif University P.O. Box 11099 Taif 21944 Saudi Arabia
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25
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Sharma A, Choi HK, Lee HJ. Carbon Dots for the Treatment of Inflammatory Diseases: An Appraisal of In Vitro and In Vivo Studies. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2023; 2023:3076119. [PMID: 37273553 PMCID: PMC10234732 DOI: 10.1155/2023/3076119] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/03/2022] [Revised: 02/16/2023] [Accepted: 04/25/2023] [Indexed: 06/06/2023]
Abstract
In recent decades, several studies demonstrating various applications of carbon dots (C-dots), including metal sensing, bioimaging, pH sensing, and antimicrobial activities, have been published. Recent developments have shifted this trend toward biomedical applications that target various biomarkers relevant to chronic diseases. However, relevant developments and research results regarding the anti-inflammatory properties of C-dots against inflammation-associated diseases have not been systematically reviewed. Hence, this review discusses the anti-inflammatory effects of C-dots in in vivo and in vitro models of LPS-induced inflammation, gout, cartilage tissue engineering, drug-induced inflammation, spinal cord injury, wound healing, liver diseases, stomach cancer, gastric ulcers, acute kidney and lung injury, psoriasis, fever or hypothermia, and bone tissue regeneration. The compiled studies demonstrate the promising potential of C-dots as anti-inflammatory agents for the development of new drugs.
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Affiliation(s)
- Anshul Sharma
- College of Bionanotechnology, Department of Food and Nutrition, Gachon University, Gyeonggi-do 13120, Republic of Korea
| | - Hyo-Kyoung Choi
- Korea Food Research Institute, 245, Nongsaengmyeong-ro, Iseo-myeon, Wanju-gun, Jeollabuk-do, Republic of Korea 55365
| | - Hae-Jeung Lee
- College of Bionanotechnology, Department of Food and Nutrition, Gachon University, Gyeonggi-do 13120, Republic of Korea
- Institute for Aging and Clinical Nutrition Research, Gachon University, Gyeonggi-do 13120, Republic of Korea
- Department of Health Sciences and Technology, GAIHST, Gachon University, Incheon 21999, Republic of Korea
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26
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Das C, Sillanpää M, Zaidi SA, Khan MA, Biswas G. Current trends in carbon-based quantum dots development from solid wastes and their applications. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2023; 30:45528-45554. [PMID: 36809626 PMCID: PMC9942668 DOI: 10.1007/s11356-023-25822-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/13/2022] [Accepted: 02/05/2023] [Indexed: 06/18/2023]
Abstract
Urbanization and a massive population boom have immensely increased the solid wastes (SWs) generation and are expected to reach 3.40 billion tons by 2050. In many developed and emerging nations, SWs are prevalent in both major and small cities. As a result, in the current context, the reusability of SWs through various applications has taken on added importance. Carbon-based quantum dots (Cb-QDs) and their many variants are synthesized from SWs in a straightforward and practical method. Cb-QDs are a new type of semiconductor that has attracted the interest of researchers due to their wide range of applications, which include everything from energy storage, chemical sensing, to drug delivery. This review is primarily focused on the conversion of SWs into useful materials, which is an essential aspect of waste management for pollution reduction. In this context, the goal of the current review is to investigate the sustainable synthesis routes of carbon quantum dots (CQDs), graphene quantum dots (GQDs), and graphene oxide quantum dots (GOQDs) from various types SWs. The applications of CQDs, GQDs, and GOQDs in the different areas are also been discussed. Finally, the challenges in implementing the existing synthesis methods and future research directions are highlighted.
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Affiliation(s)
- Chanchal Das
- Department of Chemistry, Cooch Behar Panchanan Barma University, West Bengal, Cooch Behar, 736101, India
| | - Mika Sillanpää
- Department of Chemical Engineering, School of Mining, Metallurgy and Chemical Engineering, University of Johannesburg, P. O. Box 17011, Doornfontein, 2028, South Africa
| | - Shabi Abbas Zaidi
- Department of Chemistry and Earth Sciences, College of Arts and Sciences, Qatar University, 2713, Doha, Qatar
| | - Moonis Ali Khan
- Department of Chemistry, College of Science, King Saud University, Riyadh, 11451, Saudi Arabia.
| | - Goutam Biswas
- Department of Chemistry, Cooch Behar Panchanan Barma University, West Bengal, Cooch Behar, 736101, India
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27
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Setyawan D, Amrillah T, Abdullah CAC, Ilhami FB, Dewi DMM, Mumtazah Z, Oktafiani A, Adila FP, Putra MFH. Crafting two-dimensional materials for contrast agents, drug, and heat delivery applications through green technologies. J Drug Target 2023; 31:369-389. [PMID: 36721905 DOI: 10.1080/1061186x.2023.2175833] [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: 02/02/2023]
Abstract
The development of two-dimensional (2D) materials for biomedical applications has accelerated exponentially. Contrary to their bulk counterparts, the exceptional properties of 2D materials make them highly prospective for contrast agents for bioimage, drug, and heat delivery in biomedical treatment. Nevertheless, empty space in the integration and utilisation of 2D materials in living biological systems, potential toxicity, as well as required complicated synthesis and high-cost production limit the real application of 2D materials in those advance medical treatments. On the other hand, green technology appears to be one of strategy to shed a light on the blurred employment of 2D in medical applications, thus, with the increasing reports of green technology that promote advanced technologies, here, we compile, summarise, and synthesise information on the biomedical technology of 2D materials through green technology point of view. Beginning with a fundamental understanding, of crystal structures, the working mechanism, and novel properties, this article examines the recent development of 2D materials. As well as 2D materials made from natural and biogenic resources, a recent development in green-related synthesis was also discussed. The biotechnology and biomedical-related application constraints are also discussed. The challenges, solutions, and prospects of the so-called green 2D materials are outlined.
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Affiliation(s)
- Dwi Setyawan
- Department of Nanotechnology, Faculty of Advanced Technology and Multidiscipline, Universitas Airlangga, Surabaya, Indonesia
- Department of Pharmaceutics, Faculty of Pharmacy, Universitas Airlangga, Surabaya, Indonesia
- Green Nanotechnology Laboratory Center, Faculty of Advanced Technology and Multidiscipline, Universitas Airlangga, Surabaya, Indonesia
| | - Tahta Amrillah
- Department of Nanotechnology, Faculty of Advanced Technology and Multidiscipline, Universitas Airlangga, Surabaya, Indonesia
- Green Nanotechnology Laboratory Center, Faculty of Advanced Technology and Multidiscipline, Universitas Airlangga, Surabaya, Indonesia
| | - Che Azurahanim Che Abdullah
- Department of Physics, Faculty of Science, University Putra Malaysia, Serdang, Selangor, Malaysia
- Nanomaterial Synthesis and Characterization Laboratory, Institute of Nanoscience and Nanotechnology, Universiti Putra Malaysia, Serdang, Selangor, Malaysia
| | - Fasih Bintang Ilhami
- Graduate Institute of Applied Science and Technology, National Taiwan University of Science and Technology, Taipei, Taiwan
- Graduate Institute of Biomedical Engineering, National Taiwan University of Science and Technology, Taipei, Taiwan
| | - Diva Meisya Maulina Dewi
- Department of Nanotechnology, Faculty of Advanced Technology and Multidiscipline, Universitas Airlangga, Surabaya, Indonesia
| | - Zuhra Mumtazah
- Department of Nanotechnology, Faculty of Advanced Technology and Multidiscipline, Universitas Airlangga, Surabaya, Indonesia
| | - Agustina Oktafiani
- Department of Nanotechnology, Faculty of Advanced Technology and Multidiscipline, Universitas Airlangga, Surabaya, Indonesia
| | - Fayza Putri Adila
- Department of Nanotechnology, Faculty of Advanced Technology and Multidiscipline, Universitas Airlangga, Surabaya, Indonesia
| | - Moch Falah Hani Putra
- Department of Nanotechnology, Faculty of Advanced Technology and Multidiscipline, Universitas Airlangga, Surabaya, Indonesia
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28
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Fluorescent Carbon Dots from Food Industry By-Products for Cell Imaging. J Funct Biomater 2023; 14:jfb14020090. [PMID: 36826889 PMCID: PMC9963507 DOI: 10.3390/jfb14020090] [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: 12/17/2022] [Revised: 01/20/2023] [Accepted: 02/01/2023] [Indexed: 02/10/2023] Open
Abstract
Herein, following a circular economy approach, we present the synthesis of luminescent carbon dots via the thermal treatment of chestnut and peanut shells, which are abundant carbon-rich food industry by-products. As-synthesized carbon dots have excellent water dispersibility thanks to their negative surface groups, good luminescence, and photo-stability. The excitation-emission behaviour as well as the surface functionalization of these carbon dots can be tuned by changing the carbon source (chestnuts or peanuts) and the dispersing medium (water or ammonium hydroxide solution). Preliminary in vitro biological data proved that the samples are not cytotoxic to fibroblasts and can act as luminescent probes for cellular imaging. In addition, these carbon dots have a pH-dependent luminescence and may, therefore, serve as cellular pH sensors. This work paves the way towards the development of more sustainable carbon dot production for biomedical applications.
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29
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Jing HH, Bardakci F, Akgöl S, Kusat K, Adnan M, Alam MJ, Gupta R, Sahreen S, Chen Y, Gopinath SCB, Sasidharan S. Green Carbon Dots: Synthesis, Characterization, Properties and Biomedical Applications. J Funct Biomater 2023; 14:27. [PMID: 36662074 PMCID: PMC9863160 DOI: 10.3390/jfb14010027] [Citation(s) in RCA: 25] [Impact Index Per Article: 25.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2022] [Revised: 12/26/2022] [Accepted: 12/29/2022] [Indexed: 01/04/2023] Open
Abstract
Carbon dots (CDs) are a new category of crystalline, quasi-spherical fluorescence, "zero-dimensional" carbon nanomaterials with a spatial size between 1 nm to 10 nm and have gained widespread attention in recent years. Green CDs are carbon dots synthesised from renewable biomass such as agro-waste, plants or medicinal plants and other organic biomaterials. Plant-mediated synthesis of CDs is a green chemistry approach that connects nanotechnology with the green synthesis of CDs. Notably, CDs made with green technology are economical and far superior to those manufactured with physicochemical methods due to their exclusive benefits, such as being affordable, having high stability, having a simple protocol, and being safer and eco-benign. Green CDs can be synthesized by using ultrasonic strategy, chemical oxidation, carbonization, solvothermal and hydrothermal processes, and microwave irradiation using various plant-based organic resources. CDs made by green technology have diverse applications in biomedical fields such as bioimaging, biosensing and nanomedicine, which are ascribed to their unique properties, including excellent luminescence effect, strong stability and good biocompatibility. This review mainly focuses on green CDs synthesis, characterization techniques, beneficial properties of plant resource-based green CDs and their biomedical applications. This review article also looks at the research gaps and future research directions for the continuous deepening of the exploration of green CDs.
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Affiliation(s)
- Hong Hui Jing
- Institute for Research in Molecular Medicine (INFORMM), Universiti Sains Malaysia (USM), Pulau Pinang 11800, Malaysia
| | - Fevzi Bardakci
- Department of Biology, College of Science, University of Hail, Hail P.O. Box 2440, Saudi Arabia
- Molecular Diagnostics and Personalized Therapeutics Unit, University of Hail, Hail P.O. Box 2440, Saudi Arabia
| | - Sinan Akgöl
- Department of Biochemistry, Faculty of Science, Ege University, Izmir 35040, Turkey
- Nanotechnology Research and Application Center, Sabanci University, Istanbul 34956, Turkey
| | - Kevser Kusat
- Department of Chemistry, Faculty of Science, DokuzEylül University, Izmir 35390, Turkey
| | - Mohd Adnan
- Department of Biology, College of Science, University of Hail, Hail P.O. Box 2440, Saudi Arabia
| | - Mohammad Jahoor Alam
- Department of Biology, College of Science, University of Hail, Hail P.O. Box 2440, Saudi Arabia
| | - Reena Gupta
- Department of Pharmacognosy, Institute of Pharmaceutical Research, GLA University, Mathura 281406, India
| | - Sumaira Sahreen
- Institute for Research in Molecular Medicine (INFORMM), Universiti Sains Malaysia (USM), Pulau Pinang 11800, Malaysia
| | - Yeng Chen
- Department of Oral & Craniofacial Sciences, Faculty of Dentistry, University of Malaya, Kuala Lumpur 50603, Malaysia
| | - Subash C. B. Gopinath
- Faculty of Chemical Engineering and Technology, Universiti Malaysia Perlis, Arau 02600, Malaysia
| | - Sreenivasan Sasidharan
- Institute for Research in Molecular Medicine (INFORMM), Universiti Sains Malaysia (USM), Pulau Pinang 11800, Malaysia
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30
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Fabrication of poly (aspartic) acid functionalized graphene quantum dots based FRET sensor for selective and sensitive detection of MAGE-A11 antigen. Microchem J 2022. [DOI: 10.1016/j.microc.2022.107971] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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31
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Zhao L, Bai Y, Wen Y, Yang X. Orange-fluorescence carbon dots employed for the quantitative analysis of silver ions and glyphosine through the off-on mode. ANALYTICAL METHODS : ADVANCING METHODS AND APPLICATIONS 2022; 14:4230-4235. [PMID: 36245422 DOI: 10.1039/d2ay01458k] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/16/2023]
Abstract
Here we successfully developed a kind of carbon dot (CD), which emitted obvious orange-fluorescence, based on the hydrothermal method while polyacrylic acid was employed as the carbon source. The developed CDs have been equipped with multiple functional groups such as CO, -OH and -COOH, facilitating the possibility of interacting with potential targets. Meaningfully, the introduction of silver ions induced the fluorescence quenching of the as-prepared CDs. Meanwhile, the proposed CDs achieved detection of Ag+ with a linear range of 2.0 × 10-6 to 1.0 × 10-3 M at a detection limit of 1.8 × 10-6 M. Moreover, the further addition of glyphosine gradually recovered the fluorescence accompanied by the concentration of glyphosine varying from 7 × 10-6 to 10-2 M with a detection limit of 6.2 × 10-6 M. Thereby, the CDs prepared here show potential for broadening the avenues for detecting Ag+ and glyphosine.
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Affiliation(s)
- Lu Zhao
- College of Chemistry and Chemical Engineering, Shanxi Datong University, Datong 037009, China.
| | - Yunfeng Bai
- College of Chemistry and Chemical Engineering, Shanxi Datong University, Datong 037009, China.
| | - Yaqiong Wen
- College of Chemistry and Chemical Engineering, Shanxi Datong University, Datong 037009, China.
| | - Xiaoming Yang
- College of Pharmaceutical Sciences, Southwest University, Chongqing 400715, China.
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32
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Teo JYQ, Zheng XT, Seng DHL, Hui HK, Chee PL, Su X, Loh XJ, Lim JYC. Waste Polystyrene‐derived Sulfonated Fluorescent Carbon Nanoparticles for Cation Sensing. ChemistrySelect 2022. [DOI: 10.1002/slct.202202720] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Jerald Y. Q. Teo
- Institute of Materials Research and Engineering (IMRE) Agency for Science Technology and Research (A*STAR) 2 Fusionopolis Way, Innovis Singapore Singapore 136834
| | - Xin Ting Zheng
- Institute of Materials Research and Engineering (IMRE) Agency for Science Technology and Research (A*STAR) 2 Fusionopolis Way, Innovis Singapore Singapore 136834
| | - Debbie Hwee Leng Seng
- Institute of Materials Research and Engineering (IMRE) Agency for Science Technology and Research (A*STAR) 2 Fusionopolis Way, Innovis Singapore Singapore 136834
| | - Hui Kim Hui
- Institute of Materials Research and Engineering (IMRE) Agency for Science Technology and Research (A*STAR) 2 Fusionopolis Way, Innovis Singapore Singapore 136834
| | - Pei Lin Chee
- Institute of Materials Research and Engineering (IMRE) Agency for Science Technology and Research (A*STAR) 2 Fusionopolis Way, Innovis Singapore Singapore 136834
| | - Xiaodi Su
- Institute of Materials Research and Engineering (IMRE) Agency for Science Technology and Research (A*STAR) 2 Fusionopolis Way, Innovis Singapore Singapore 136834
| | - Xian Jun Loh
- Institute of Materials Research and Engineering (IMRE) Agency for Science Technology and Research (A*STAR) 2 Fusionopolis Way, Innovis Singapore Singapore 136834
- Prof. Dr. JYC Lim Department of Materials Science and Engineering National University of Singapore (NUS) 9 Engineering Drive 1 Singapore Singapore 117576
| | - Jason Y. C. Lim
- Institute of Materials Research and Engineering (IMRE) Agency for Science Technology and Research (A*STAR) 2 Fusionopolis Way, Innovis Singapore Singapore 136834
- Prof. Dr. JYC Lim Department of Materials Science and Engineering National University of Singapore (NUS) 9 Engineering Drive 1 Singapore Singapore 117576
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33
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Yang H, Wei Y, Yan X, Nie C, Sun Z, Hao L, Su X. High-Efficiency Utilization of Waste Tobacco Stems to Synthesize Novel Biomass-Based Carbon Dots for Precise Detection of Tetracycline Antibiotic Residues. NANOMATERIALS (BASEL, SWITZERLAND) 2022; 12:nano12183241. [PMID: 36145029 PMCID: PMC9503805 DOI: 10.3390/nano12183241] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/20/2022] [Revised: 09/10/2022] [Accepted: 09/13/2022] [Indexed: 05/27/2023]
Abstract
Recycling waste biomass into valuable products (e.g., nanomaterials) is of considerable theoretical and practical significance to achieve future sustainable development. Here, we propose a one-pot hydrothermal synthesis route to convert waste tobacco stems into biomass-based N, S-codoped carbon dots (C-dots) with the assistance of carbon black. Unlike most of the previously reported luminescent C-dots, these biomass-based C-dots showed a satisfactory stability, as well as an excitation-independent fluorescence emission at ~520 nm. Furthermore, they demonstrated a pH-dependent fluorescence emission ability, offering a scaffold to design pH-responsive assays. Moreover, these as-synthesized biomass-based C-dots exhibited a fluorescence response ability toward tetracycline antibiotics (TCs, e.g., TC, CTC, and OTC) through the inner filter effect (IFE), thereby allowing for the establishment a smart analytical platform to sensitively and selectively monitor residual TCs in real environmental water samples. In this study, we explored the conversion of waste tobacco stems into sustainable biomass-based C-dots to develop simple, efficient, label-free, reliable, low-cost, and eco-friendly analytical platforms for environmental pollution traceability analysis, which might provide a novel insight to resolve the ecological and environmental issues derived from waste tobacco stems.
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Affiliation(s)
- Hui Yang
- State Key Laboratory of Environmental Geochemistry, Institute of Geochemistry, Chinese Academy of Sciences, Guiyang 550081, China
- Guizhou Academy of Tobacco Science, Guiyang 550081, China
- University of Chinese Academy of Sciences, Beijing 100049, China
| | - Yunlong Wei
- School of Food & Biological Engineering, Key Laboratory for Agricultural Products Processing of Anhui Province, Hefei University of Technology, Hefei 230009, China
| | - Xiufang Yan
- Key Laboratory of Tobacco Quality Research of Guizhou Province, College of Tobacco Science, Guizhou University, Guiyang 550025, China
| | - Chao Nie
- School of Food & Biological Engineering, Key Laboratory for Agricultural Products Processing of Anhui Province, Hefei University of Technology, Hefei 230009, China
| | - Zhenchun Sun
- Guizhou Academy of Tobacco Science, Guiyang 550081, China
| | - Likai Hao
- State Key Laboratory of Environmental Geochemistry, Institute of Geochemistry, Chinese Academy of Sciences, Guiyang 550081, China
| | - Xiankun Su
- Guizhou Academy of Tobacco Science, Guiyang 550081, China
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34
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Alaş M, Doğan G, Yalcin MS, Ozdemir S, Genç R. Multicolor Emitting Carbon Dot-Reinforced PVA Composites as Edible Food Packaging Films and Coatings with Antimicrobial and UV-Blocking Properties. ACS OMEGA 2022; 7:29967-29983. [PMID: 36061643 PMCID: PMC9434783 DOI: 10.1021/acsomega.2c02984] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 05/13/2022] [Accepted: 08/08/2022] [Indexed: 06/15/2023]
Abstract
Active food packaging has become attractive because of the possibility to provide a longer shelf-life by loading functional agents into the packages to maintain the quality of food products. Herein, photoluminescent and transparent polyvinyl alcohol (PVA)-based composites embedding multicolor fluorescent carbon dots (CD/PVA) were prepared by the solvent casting method. The prepared CDs emit a strong and stable fluorescence in solution while the CD/PVA composite films were transparent, flexible, and showed UV-blocking activity with a strong fluorescence emission. Blue color-emitting CDs showed the highest UV blockage at UVA (87.04%), UVB (87.04%), and UVC (92.22%) regions while PVA alone absorbed only less than 25% of the light in all UV regions. UV blockage capacity was shown to be decreased by half, in line with the emission color shift from blue to red. Thermal properties of the PVA film were improved by the addition of CDs to the polymer, and in vitro cell viability tests showed that none of the CDs were cytotoxic against the human lung fibroblast healthy cell line (MRC-F cells) when integrated into the PVA. The antimicrobial activity of CD/PVA nanofilms was qualitatively determined. The prepared films exhibited good antimicrobial activity against both Gram-positive and Gram-negative bacteria with mild antioxidant and metal chelating activity, and significant inhibition of biofilm formation with a strong link with emitted color and the concentration of the composites. Green- and red-emitting CD/PVA with the highest antimicrobial activity were then analyzed and compared with the plane PVA employing their effect on the shelf-life of strawberries as a model for perishable foods. Fresh strawberries dip coated with CD/PVA and PVA were monitored over time, and virtual evaluations showed that CDs/PVA film coating resulted in reduced weight and moisture loss and significantly inhibited the fungal growth and spoiling for over 6 days at RT and 12 days at fridge conditions maintaining the visual appearance and natural color of the fruit. The findings in this work indicated the potential of reported CD as non-cytotoxic, UV-blocking antimicrobial additives for the development of edible coatings and packages for their use in the food industry, as well as pharmaceutical and healthcare applications.
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Affiliation(s)
- Melis
Özge Alaş
- Department
of Chemical Engineering, Engineering Faculty, Mersin University, Mersin TR-33343, Turkey
| | - Gamze Doğan
- Faculty
of Engineering Department of Bioengineering, Izmir Institute of Technology, Urla-Izmir TR-35430, Turkey
| | - Mustafa Serkan Yalcin
- Department
of Chemistry and Chemical Processing Technologies, Technical Science
Vocational School, Mersin University, Mersin TR-33343, Yenisehir, Turkey
| | - Sadin Ozdemir
- Food
Processing Programme, Technical Science Vocational School, Mersin University, Mersin TR-33343, Yenisehir, Turkey
| | - Rükan Genç
- Department
of Chemical Engineering, Engineering Faculty, Mersin University, Mersin TR-33343, Turkey
- Nanotechnology
Research and Application Centre, Sabanci
University, Istanbul TR-34956, Turkey
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35
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Sengar P, Chauhan K, Hirata GA. Progress on carbon dots and hydroxyapatite based biocompatible luminescent nanomaterials for cancer theranostics. Transl Oncol 2022; 24:101482. [PMID: 35841822 PMCID: PMC9293661 DOI: 10.1016/j.tranon.2022.101482] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2022] [Revised: 06/07/2022] [Accepted: 07/06/2022] [Indexed: 11/17/2022] Open
Abstract
Biocompatible carbon dots (CDs) and nanohydroxyapatite (nHA) have attracted much attention for the development of optical imaging probes. This review discusses the development of CD and nHA based nanomaterials as multifunctional agents for cancer theranostics. The effect of synthesis strategies and doping on photoluminescent properties along with tuning of emission in biological window has been briefly reviewed. The cancer targeting strategies, biocompatibility and biodistribution of CDs and nHA based luminescent probes is discussed. A summary of current challenges and future perspectives is provided.
Despite the significant advancement in cancer diagnosis and therapy, a huge burden remains. Consequently, much research has been diverted on the development of multifunctional nanomaterials for improvement in conventional diagnosis and therapy. Luminescent nanomaterials offer a versatile platform for the development of such materials as their intrinsic photoluminescence (PL) property offers convergence of diagnosis as well as therapy at the same time. However, the clinical translation of nanomaterials faces various challenges, including biocompatibility and cost-effective scale up production. Thus, luminescent materials with facile synthesis approach along with intrinsic biocompatibility and anticancerous activity hold significant importance. As a result, carbon dots (CDs) and nanohydroxyapatite (nHA) have attracted much attention for the development of optical imaging probes. CDs are the newest members of the carbonaceous nanomaterials family that possess intrinsic luminescent and therapeutic properties, making them a promising candidate for cancer theranostic. Additionally, nHA is an excellent bioactive material due to its compositional similarity to the human bone matrix. The nHA crystal can efficiently host rare-earth elements to attain luminescent property, which can further be implemented for cancer theranostic applications. Herein, the development of CDs and nHA based nanomaterials as multifunctional agents for cancer has been briefly discussed. The emphasis has been given to different synthesis strategies leading to different morphologies and tunable PL spectra, followed by their diverse applications as biocompatible theranostic agents. Finally, the review has been summarized with the current challenges and future perspectives.
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Affiliation(s)
- Prakhar Sengar
- Centro de Nanociencias y Nanotecnología, Universidad Nacional Autónoma de México Ensenada, Baja California C.P. 22860, México
| | - Kanchan Chauhan
- Centro de Nanociencias y Nanotecnología, Universidad Nacional Autónoma de México Ensenada, Baja California C.P. 22860, México
| | - Gustavo A Hirata
- Centro de Nanociencias y Nanotecnología, Universidad Nacional Autónoma de México Ensenada, Baja California C.P. 22860, México.
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Vibhute A, Nille O, Kolekar G, Rohiwal S, Patil S, Lee S, Tiwari AP. Fluorescent Carbon Quantum Dots Functionalized by Poly L-Lysine: Efficient Material for Antibacterial, Bioimaging and Antiangiogenesis Applications. J Fluoresc 2022; 32:1789-1800. [PMID: 35689742 DOI: 10.1007/s10895-022-02977-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2022] [Accepted: 05/27/2022] [Indexed: 10/18/2022]
Abstract
This study illustrates the synthesis of functionalized carbon quantum dots (CQDs) by the one-pot pyrolysis method. The functionalization agent used in CQD synthesis was poly l- lysine (PLL). Various physicochemical techniques were employed to confirm the successful formation of PLLCQD including High resolution transmission electron microscopy (HR-TEM), UV-Vis spectroscopy, fluorescence spectroscopy; Atomic force microscopy (AFM), X-ray Photoelectron Spectroscopy (XPS) and X-ray diffraction (XRD) and Fourier transform infrared (FTIR) spectroscopy. The size of PLLCQD was confirmed by HRTEM and AFM. The synthesized PLLCQD shows bright blue fluorescence and has a quantum yield of 19.35%. The highest emission band was observed at 471nm when excited to 370nm. The prepared PLLCQD exhibited excellent antibacterial activity against Escherichia coli and Staphylococcus aureus with inhibition zone 7-20 mm. The concentrations of 0.9 to 0.1gmL-1 were studied to determine minimum inhibitory concentration (MIC) by the agar well diffusion assay method. MIC of 0.2gml -1 concentration of PLLCQD is achieved. The anti-angiogenic activity of PLLCQD was determined using (Chick Chorioallantoic Membrane) CAM assay. CAM assay is a reliable in -vivo model to study angiogenesis also; many stimulators and inhibitors have been examined by this method. This study proves higher antibacterial efficiency of PLLCQD over non functionalized CQD. PLLCQD was successfully employed in bio-imaging of the bacterial cell through fluorescence microscopy. Further, PLLCQD displayed cytotoxic effect on endothelial cells and inhibited blood vessel formation in the CAM model.
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Affiliation(s)
- Anuja Vibhute
- Department of Stem Cell and Regenerative Medicine and Medical Biotechnology, D. Y. Patil Education Society(Deemed to Be University), Kolhapur, 416 006, Maharashtra, India
| | - Omkar Nille
- Fluorescence Spectroscopy Research Laboratory, Department of Chemistry, Shivaji University, Kolhapur, Maharashtra, India
| | - Govind Kolekar
- Fluorescence Spectroscopy Research Laboratory, Department of Chemistry, Shivaji University, Kolhapur, Maharashtra, India
| | - Sonali Rohiwal
- Laboratory of Cell Regeneration and Plasticity, Institute of Animal Physiology and Genetics AS CR, v.v.i. Rumburska 89, Libechov, 277 21, Czech Republic
| | - Shubham Patil
- Department of Electronics and Information Convergence Engineering, Kyung Hee University (Global Campus), 1732, Deogyoung Road, Giheung, Gyeonggi, Yongin, 17104, South Korea
| | - Seunghyun Lee
- Department of Electronics and Information Convergence Engineering, Kyung Hee University (Global Campus), 1732, Deogyoung Road, Giheung, Gyeonggi, Yongin, 17104, South Korea
| | - Arpita Pandey Tiwari
- Department of Stem Cell and Regenerative Medicine and Medical Biotechnology, D. Y. Patil Education Society(Deemed to Be University), Kolhapur, 416 006, Maharashtra, India.
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Clustering of photoluminescent carbon quantum dots using biopolymers for biomedical applications. BIOCATALYSIS AND AGRICULTURAL BIOTECHNOLOGY 2022. [DOI: 10.1016/j.bcab.2022.102382] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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Malavika JP, Shobana C, Sundarraj S, Ganeshbabu M, Kumar P, Selvan RK. Green synthesis of multifunctional carbon quantum dots: An approach in cancer theranostics. BIOMATERIALS ADVANCES 2022; 136:212756. [PMID: 35929302 DOI: 10.1016/j.bioadv.2022.212756] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/27/2021] [Revised: 03/06/2022] [Accepted: 03/09/2022] [Indexed: 05/26/2023]
Abstract
Carbon quantum dots (CQDs) have gained significant growing attention in the recent past due to their peculiar characteristics including smaller size, high surface area, photoluminescence, chemical stability, facile synthesis and functionalization possibilities. They are carbon nanostructures having less than 10 nm size with fluorescent properties. In recent years, the scientific community is curiously adopting biomass precursors for the preparation of CQDs over the chemical compounds. These biomass sources are sustainable, eco-friendly, inexpensive, widely available and convert waste into valuable materials. Hence in our work the fundamental understating of diverse fabrication methodologies of CQDs, and the types of raw materials employed in recent times, are all examined and correlated comprehensively. Their unique combination of remarkable properties, together with the ease with which they can be fabricated, makes CQDs as promising materials for applications in diverse biomedical fields, in particular for bio-imaging, targeted drug delivery and phototherapy for cancer treatment. The mechanism for luminescence is of considerable significance for leading the synthesis of CQDs with tunable fluorescence emission. Therefore, it is aimed to explore and provide an updated review on (i) the recent progress on the different synthesis methods of biomass-derived CQDs, (ii) the contribution of surface states or functional groups on the luminescence origin and (iii) its potential application for cancer theranostics, concentrating on their fluorescence properties. Finally, we explored the challenges in modification for the synthesis of CQDs from biomass derivatives and the future scope of CQDs in phototherapy for cancer theranostics.
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Affiliation(s)
- Jalaja Prasad Malavika
- Department of Zoology, Kongunadu Arts and Science College (Autonomous), G. N. Mills, Coimbatore 641 029, Tamil Nadu, India
| | - Chellappan Shobana
- Department of Zoology, Kongunadu Arts and Science College (Autonomous), G. N. Mills, Coimbatore 641 029, Tamil Nadu, India.
| | - Shenbagamoorthy Sundarraj
- Department of Zoology, Ayya Nadar Janaki Ammal College (Autonomous), Sivakasi - 626 124, Virudhunagar District, Tamil Nadu, India.
| | - Mariappan Ganeshbabu
- Department of Physics, Bharathiar University, Coimbatore 641 046, Tamil Nadu, India
| | - Ponnuchamy Kumar
- Department of Animal Health and Management, Alagappa University, Karaikudi 630 003, Tamil Nadu, India
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Physicochemical Characterization and Antibacterial Properties of Carbon Dots from Two Mediterranean Olive Solid Waste Cultivars. NANOMATERIALS 2022; 12:nano12050885. [PMID: 35269375 PMCID: PMC8912711 DOI: 10.3390/nano12050885] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/12/2022] [Revised: 02/24/2022] [Accepted: 03/02/2022] [Indexed: 02/04/2023]
Abstract
Carbon nanomaterials have shown great potential in several fields, including biosensing, bioimaging, drug delivery, energy, catalysis, diagnostics, and nanomedicine. Recently, a new class of carbon nanomaterials, carbon dots (CDs), have attracted much attention due to their easy and inexpensive synthesis from a wide range of precursors and fascinating physical, chemical, and biological properties. In this work we have developed CDs derived from olive solid wastes of two Mediterranean regions, Puglia (CDs_P) and Calabria (CDs_C) and evaluated them in terms of their physicochemical properties and antibacterial activity against Staphylococcus aureus (S. aureus) and Pseudomonas aeruginosa (P. aeruginosa). Results show the nanosystems have a quasi-spherical shape of 12–18 nm in size for CDs_P and 15–20 nm in size for CDs_C. UV–Vis characterization indicates a broad absorption band with two main peaks at about 270 nm and 300 nm, respectively, attributed to the π-π* and n-π* transitions of the CDs, respectively. Both samples show photoluminescence (PL) spectra excitation-dependent with a maximum at λem = 420 nm (λexc = 300 nm) for CDs_P and a red-shifted at λem = 445 nm (λexc = 300 nm) for CDs_C. Band gaps values of ≈ 1.48 eV for CDs_P and ≈ 1.53 eV for CDs_C are in agreement with semiconductor behaviour. ζ potential measures show very negative values for CDs_C compared to CDs_P (three times higher, −38 mV vs. −18 mV at pH = 7). The evaluation of the antibacterial properties highlights that both CDs have higher antibacterial activity towards Gram-positive than to Gram-negative bacteria. In addition, CDs_C exhibit bactericidal behaviour at concentrations of 360, 240, and 120 µg/mL, while lesser activity was found for CDs_P (bacterial cell reduction of only 30% at the highest concentration of 360 µg/mL). This finding was correlated to the higher surface charge of CDs_C compared to CDs_P. Further investigations are in progress to confirm this hypothesis and to gain insight on the antibacterial mechanism of both cultivars.
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On-site, rapid, and facile determination of gentamicin using a fluorescent resonance energy transfer sensor constructed from nitrogen-carbon quantum dots functionalized by 4,5-imidazole dicarboxylic acid. Food Chem 2022; 371:131366. [PMID: 34808770 DOI: 10.1016/j.foodchem.2021.131366] [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: 03/13/2021] [Revised: 09/15/2021] [Accepted: 10/07/2021] [Indexed: 11/22/2022]
Abstract
In this paper, NC QDs were obtained from agricultural waste (wheat straw), functionalized by 4,5-imidazole dicarboxylic acid and used to detect gentamicin in aqueous solution. The NC QDs were characterized by HRTEM, XPS, UV-Vis, etc. The fluorescence properties of the functionalized NC QDs for GEN detection were studied at λem = 385 nm. The fluorescence intensity showed a good linear relationship with the GEN concentration of samples (I = 343.10 + 30.07C, R2 = 0.9896) for GEN concentrations ranging from 0 to 2.9 × 10-4 mol/L. The sensing mechanism was found to be fluorescence resonance energy transfer (FRET) between the functionalized NC QDs and GEN. The results indicated that the method had good repeatability for GEN detection. The technology could be extended to biological detection.
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Rodwihok C, Tam TV, Choi WM, Suwannakaew M, Woo SW, Wongratanaphisan D, Kim HS. Preparation and Characterization of Photoluminescent Graphene Quantum Dots from Watermelon Rind Waste for the Detection of Ferric Ions and Cellular Bio-Imaging Applications. NANOMATERIALS (BASEL, SWITZERLAND) 2022; 12:702. [PMID: 35215030 PMCID: PMC8878562 DOI: 10.3390/nano12040702] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/01/2022] [Revised: 02/14/2022] [Accepted: 02/17/2022] [Indexed: 11/16/2022]
Abstract
Graphene quantum dots (GQDs) were synthesized using watermelon rind waste as a photoluminescent (PL) agent for ferric ion (Fe3+) detection and in vitro cellular bio-imaging. A green and simple one-pot hydrothermal technique was employed to prepare the GQDs. Their crystalline structures corresponded to the lattice fringe of graphene, possessing amide, hydroxyl, and carboxyl functional groups. The GQDs exhibited a relatively high quantum yield of approximately 37%. Prominent blue emission under UV excitation and highly selective PL quenching for Fe3+ were observed. Furthermore, Fe3+ could be detected at concentrations as low as 0.28 μM (limit of detection), allowing for high sensitivity toward Fe3+ detection in tap and drinking water samples. In the bio-imaging experiment, the GQDs exhibited a low cytotoxicity for the HeLa cells, and they were clearly illuminated at an excitation wavelength of 405 nm. These results can serve as the basis for developing an environment-friendly, simple, and cost-effective approach of using food waste by converting them into photoluminescent nanomaterials for the detection of metal ions in field water samples and biological cellular studies.
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Affiliation(s)
- Chatchai Rodwihok
- Civil and Environmental Engineering, Konkuk University, 120 Neungdong-ro, Gwangjin-gu, Seoul 05029, Korea; (C.R.); (M.S.); (S.W.W.)
| | - Tran Van Tam
- School of Chemical Engineering, University of Ulsan, 93 Daehak-ro, Nam-gu, Ulsan 44160, Korea; (T.V.T.); (W.M.C.)
| | - Won Mook Choi
- School of Chemical Engineering, University of Ulsan, 93 Daehak-ro, Nam-gu, Ulsan 44160, Korea; (T.V.T.); (W.M.C.)
| | - Mayulee Suwannakaew
- Civil and Environmental Engineering, Konkuk University, 120 Neungdong-ro, Gwangjin-gu, Seoul 05029, Korea; (C.R.); (M.S.); (S.W.W.)
| | - Sang Woon Woo
- Civil and Environmental Engineering, Konkuk University, 120 Neungdong-ro, Gwangjin-gu, Seoul 05029, Korea; (C.R.); (M.S.); (S.W.W.)
| | - Duangmanee Wongratanaphisan
- Department of Physics and Materials Science, Faculty of Science, Chiang Mai University, Chiang Mai 50200, Thailand;
| | - Han S. Kim
- Civil and Environmental Engineering, Konkuk University, 120 Neungdong-ro, Gwangjin-gu, Seoul 05029, Korea; (C.R.); (M.S.); (S.W.W.)
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Sawalha S, Assali M, Nasasrah A, Salman M, Nasasrah M, Jitan M, Hilal HS, Zyuod A. Optical properties and photoactivity of carbon nanodots synthesized from olive solid wastes at different carbonization temperatures. RSC Adv 2022; 12:4490-4500. [PMID: 35425496 PMCID: PMC8981074 DOI: 10.1039/d1ra09273a] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2021] [Accepted: 01/24/2022] [Indexed: 12/11/2022] Open
Abstract
Carbon nanodots (CNDs) have many fascinating properties, such as optical properties (UV-Visible absorption and fluorescence emission), which make them good candidates in many applications, such as photocatalysts for the degradation of several organic pollutants. This study aims to synthesize CNDs from olive solid wastes at different carbonization temperatures from 300 to 900 °C and study the effect on the optical properties of the CNDs, such UV-Vis, fluorescence, quantum yield, and energy bandgap, in addition to the influence on the photoactivity of the CNDs as photocatalysts for the degradation of methylene blue (MB). CNDs were prepared from olive solid wastes (OSWs) by pyrolysis at different temperatures (300-900 °C) for conversion to carbonized material, and then oxidized chemically in the presence of hydrogen peroxide (H2O2). It was found that an increase in the carbonization temperature of the OSWs leads to an increase in the product yield with a maximum value at 500 °C, and it then decreased dramatically. On the other hand, a decrease in fluorescence due to the diminishment of oxygen groups and the destruction of the surface of the CNDs was observed. The higher quantum yield (5.17%) and bandgap (2.77 eV) were achieved for CNDs prepared from OSWs that carbonized at 300 °C. The rate and degradation efficiency of MB were studied with the different synthesized CNDs, and it was found that an increase in the carbonization temperature leads to a decrease in the rate and degradation efficiency of MB, with the highest degradation rate of 0.0575 min-1 and degradation efficiency of 100% after 120 minutes of light irradiation being realized for the sample carbonized at 300 °C.
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Affiliation(s)
- Shadi Sawalha
- Department of Chemical Engineering, An-Najah National University Nablus Palestine
| | - Mohyeddin Assali
- Department of Pharmacy, Faculty of Medicine and Health Sciences, An Najah National University Nablus Palestine
| | - Ameerah Nasasrah
- Department of Chemical Engineering, An-Najah National University Nablus Palestine
| | - Maha Salman
- Department of Chemical Engineering, An-Najah National University Nablus Palestine
| | - Majd Nasasrah
- Department of Chemical Engineering, An-Najah National University Nablus Palestine
| | - Madleen Jitan
- Department of Chemical Engineering, An-Najah National University Nablus Palestine
| | - Hikmat S Hilal
- Department of Chemistry, Faculty of Science, An-Najah National University Nablus Palestine
| | - Ahed Zyuod
- Department of Chemistry, Faculty of Science, An-Najah National University Nablus Palestine
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Laghari SH, Memon N, Yar Khuhawer M, Jahangir TM. Fluorescent Carbon Dots and their Applications in Sensing of Small
Organic Molecules. CURR ANAL CHEM 2022. [DOI: 10.2174/1573411017999210120180236] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Background:
Fluorescence-based sensing is considered highly sensitive and fluorescent probes with improved
properties are always desired. Fluorescent carbon dots (CDs) are newly emerging quasi-spherical nanoparticles of less than
10 nm in size and belong to the carbon nano-material’s family. CDs have great potential as fluorescent probes and currently
are under open deliberation by the researchers due to their striking properties such as low environmental hazard, high
selectivity, greater sensitivity, good biocompatibility, tunable fluorescent properties and excitation dependent multicolor
emission behavior.
Introduction:
This review demonstrates various available methods for fabrication of fluorescent CDs, capping of CDs and
characterization with various techniques including UV-visible, FT-IR, and TEM. Analytical applications using CDs for the
sensing of small organic molecules, specifically nitroaromatic compounds in the environmental samples are complied.
Methods:
The review covers literature related to synthesis and characterization of carbon dots. It includes around 171
research articles in this field.
Results:
Carbon dots can be synthesized using numerous routes. In all cases CDs possess spectral properties with little
variation in wavelength maxima. Optical properties of CDs can be tuned by compositing these with metallic quantum dots
or by modifying their surface with desired functionalities. HR-TEM is needed to see the morphology and size of particles
whereas UV-Visible and FTIR are indispensable tools for this kind of research. These particles are successfully applied to
sense small molecules in some matrices.
Conclusion:
Carbon dots are bright stars in fluorescent sensing of small molecules. However, more research is needed to
determine small organic molecules in diversified areas of analysis.
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Affiliation(s)
- Sakib Hussain Laghari
- National Centre of Excellence in Analytical Chemistry, University of Sindh, Jamshoro, Sindh, Pakistan
| | - Najma Memon
- National Centre of Excellence in Analytical Chemistry, University of Sindh, Jamshoro, Sindh, Pakistan
| | - Muhammad Yar Khuhawer
- Institute of
Advance Research in Chemical Sciences, University of Sindh, Jamshoro, Sindh, Pakistan
| | - Taj Muhammad Jahangir
- Institute of
Advance Research in Chemical Sciences, University of Sindh, Jamshoro, Sindh, Pakistan
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Heteroatom Modified Hybrid Carbon Quantum Dots Derived from Cucurbita pepo for the Visible Light Driven Photocatalytic Dye Degradation. Top Catal 2022. [DOI: 10.1007/s11244-022-01581-x] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
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Zhang K, Sang Y, Gao Y, Sun Q, Li W. A fluorescence turn-on CDs-AgNPs composites for highly sensitive and selective detection of Hg 2. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2022; 264:120281. [PMID: 34450575 DOI: 10.1016/j.saa.2021.120281] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/22/2021] [Revised: 05/14/2021] [Accepted: 08/10/2021] [Indexed: 06/13/2023]
Abstract
In this paper, a simple and effective fluorescence turn-on approach for highly sensitive and selective monitoring Hg2+ ions was designed by using carbon dots (CDs) and silver nanoparticles (AgNPs). It reveals that the fluorescence of CDs solution can be quenched in the presence of AgNPs through inner filter effect (IFE) and the quenched CDs-AgNPs system is turned on after addition of Hg2+ ions, which is due to higher affinity of Hg2+ and AgNPs than that of CDs and AgNPs, thus resulting the disappearance of AgNPs from the CDs-AgNPs composites and leading to the fluorescence turn-on of CDs. The developed fluorescence turn-on approach exhibited high selectivity and sensitivity for detection of Hg2+. Under the optimum experimental conditions, good linearity was achieved over the range of 100-160 μM and the limit of detection (LOD) was estimated to be 2.22×10-8 M for Hg2+. The recoveries of Hg2+ spiked in real samples ranged from 98.4% to 101.6%. Results of this study suggest that the fluorescence turn-on approach can be used to the detection of Hg2+ in real water samples.
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Affiliation(s)
- Kaiyu Zhang
- College of Chemistry and Pharmaceutical Sciences, Qingdao Agricultural University, Qingdao 266109, China
| | - Yuxin Sang
- College of Chemistry and Pharmaceutical Sciences, Qingdao Agricultural University, Qingdao 266109, China
| | - Yingdi Gao
- College of Food Science and Engineering, Qingdao Agricultural University, Qingdao 266109, China
| | - Qinxing Sun
- College of Chemistry and Pharmaceutical Sciences, Qingdao Agricultural University, Qingdao 266109, China
| | - Weina Li
- College of Chemistry and Pharmaceutical Sciences, Qingdao Agricultural University, Qingdao 266109, China.
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Tade RS, Patil PO. Fabrication of Poly-l-lysine-Functionalized Graphene Quantum Dots for the Label-Free Fluorescent-Based Detection of Carcinoembryonic Antigen. ACS Biomater Sci Eng 2021; 8:470-483. [PMID: 34967597 DOI: 10.1021/acsbiomaterials.1c01087] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
The diagnosis of tumor biomarkers is an attentive approach for the early detection and treatment of cancer. However, a cost-effective, simple, rapid, selective, and sensitive method is a basic prerequisite for diagnostic research. Herein, we present a novel fluorescence-based label-free sensing strategy for the sensitive and selective detection of carcinoembryonic antigen (CEA) using poly-l-lysine (PLL)-functionalized graphene quantum dots (GQDs). The GQDs were synthesized using a greener method by employing carbonized peanut shell (PNS) waste as a carbon source, and functionalization was accomplished using PLL (PLL-GQDs). The fluorescence stability of the PLL-GQDs was tested in a variety of solvent systems and pH solutions. When compared to nonfunctionalized GQDs (PNS-GQDs), prepared PLL-GQDs demonstrated increased fluorescence lifetime, high quantum yield, excellent photostability, biocompatibility, and greater cellular uptake. The PLL-GQDs with abundant surface amine and carboxylic groups showed selective interactions with an activated CEA antibody (CEA-Ab), resulting in the quenching of fluorescence signals. Because of the strong bioaffinity of CEA to the CEA-Ab, the antibody was unwrapped, resulting in the formation of an antibody-antigen complex and the recovery of fluorescence. As a result of this relationship, a turn "on-off-on" sensing mechanism with a strong response to CEA concentration (0.01 ng mL-1 to 100 μg mL-1) and a detection limit of 1.19 pg mL-1 was demonstrated. Furthermore, the fabricated CEA immunosensor (CEA-Ab@PLL-GQDs) performed admirably in real sample analysis, with an average recovery of 98.32%. The cellular uptake performance of PLL-GQDs was also demonstrated in the A427 cell lines, exhibiting a greater cellular uptake potential than PNS-GQDs. The cellular bioimaging study demonstrates that PLL-GQDs can be used for additional therapeutic and biological applications.
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Affiliation(s)
- Rahul Shankar Tade
- Department of Pharmaceutical Chemistry, H. R. Patel Institute of Pharmaceutical Education and Research, Shirpur 425405, Maharashtra, India
| | - Pravin Onkar Patil
- Department of Pharmaceutical Chemistry, H. R. Patel Institute of Pharmaceutical Education and Research, Shirpur 425405, Maharashtra, India
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Cui L, Ren X, Sun M, Liu H, Xia L. Carbon Dots: Synthesis, Properties and Applications. NANOMATERIALS (BASEL, SWITZERLAND) 2021; 11:3419. [PMID: 34947768 PMCID: PMC8705349 DOI: 10.3390/nano11123419] [Citation(s) in RCA: 76] [Impact Index Per Article: 25.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/29/2021] [Revised: 11/29/2021] [Accepted: 12/13/2021] [Indexed: 12/16/2022]
Abstract
Carbon dots (CDs) are known as the rising star of carbon-based nanomaterials and, by virtue of their unique structure and fascinating properties, they have attracted considerable interest in different fields such as biological sensing, drug delivery, photodynamic therapy, photocatalysis, and solar cells in recent years. Particularly, the outstanding electronic and optical properties of the CDs have attracted increasing attention in biomedical and photocatalytic applications owing to their low toxicity, biocompatibility, excellent photostability, tunable fluorescence, outstanding efficient up-converted photoluminescence behavior, and photo-induced electron transfer ability. This article reviews recent progress on the synthesis routes and optical properties of CDs as well as biomedical and photocatalytic applications. Furthermore, we discuss an outlook on future and potential development of the CDs based biosensor, biological dye, biological vehicle, and photocatalysts in this booming research field.
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Affiliation(s)
- Lin Cui
- Liaoning Key Laboratory of Chemical Additive Synthesis and Separation, Yingkou Institute of Technology, Yingkou 115014, China;
- School of Mathematics and Physics, University of Science and Technology Beijing, Beijing 100083, China
- Yuanyang Branch Department, Beijing Jingshan School, Beijing 100040, China
| | - Xin Ren
- International Department, Beijing No. 12 High School, Beijing 100071, China;
| | - Mengtao Sun
- School of Mathematics and Physics, University of Science and Technology Beijing, Beijing 100083, China
| | - Haiyan Liu
- Liaoning Key Laboratory of Chemical Additive Synthesis and Separation, Yingkou Institute of Technology, Yingkou 115014, China;
| | - Lixin Xia
- Liaoning Key Laboratory of Chemical Additive Synthesis and Separation, Yingkou Institute of Technology, Yingkou 115014, China;
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Chan MH, Chen BG, Ngo LT, Huang WT, Li CH, Liu RS, Hsiao M. Natural Carbon Nanodots: Toxicity Assessment and Theranostic Biological Application. Pharmaceutics 2021; 13:1874. [PMID: 34834289 PMCID: PMC8618595 DOI: 10.3390/pharmaceutics13111874] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2021] [Revised: 10/27/2021] [Accepted: 10/29/2021] [Indexed: 11/17/2022] Open
Abstract
This review outlines the methods for preparing carbon dots (CDs) from various natural resources to select the process to produce CDs with the best biological application efficacy. The oxidative activity of CDs mainly involves photo-induced cell damage and the destruction of biofilm matrices through the production of reactive oxygen species (ROS), thereby causing cell auto-apoptosis. Recent research has found that CDs derived from organic carbon sources can treat cancer cells as effectively as conventional drugs without causing damage to normal cells. CDs obtained by heating a natural carbon source inherit properties similar to the carbon source from which they are derived. Importantly, these characteristics can be exploited to perform non-invasive targeted therapy on human cancers, avoiding the harm caused to the human body by conventional treatments. CDs are attractive for large-scale clinical applications. Water, herbs, plants, and probiotics are ideal carbon-containing sources that can be used to synthesize therapeutic and diagnostic CDs that have become the focus of attention due to their excellent light stability, fluorescence, good biocompatibility, and low toxicity. They can be applied as biosensors, bioimaging, diagnosis, and treatment applications. These advantages make CDs attractive for large-scale clinical application, providing new technologies and methods for disease occurrence, diagnosis, and treatment research.
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Affiliation(s)
- Ming-Hsien Chan
- Genomics Research Center, Academia Sinica, Taipei 115, Taiwan; (M.-H.C.); (C.-H.L.)
| | - Bo-Gu Chen
- Department of Chemistry, National Taiwan University, Taipei 106, Taiwan; (B.-G.C.); (L.T.N.); (W.-T.H.)
| | - Loan Thi Ngo
- Department of Chemistry, National Taiwan University, Taipei 106, Taiwan; (B.-G.C.); (L.T.N.); (W.-T.H.)
- Nano Science and Technology Program, Taiwan International Graduate Program, Academia Sinica and National Taiwan University, Taipei 115, Taiwan
| | - Wen-Tse Huang
- Department of Chemistry, National Taiwan University, Taipei 106, Taiwan; (B.-G.C.); (L.T.N.); (W.-T.H.)
| | - Chien-Hsiu Li
- Genomics Research Center, Academia Sinica, Taipei 115, Taiwan; (M.-H.C.); (C.-H.L.)
| | - Ru-Shi Liu
- Department of Chemistry, National Taiwan University, Taipei 106, Taiwan; (B.-G.C.); (L.T.N.); (W.-T.H.)
| | - Michael Hsiao
- Genomics Research Center, Academia Sinica, Taipei 115, Taiwan; (M.-H.C.); (C.-H.L.)
- Department of Biochemistry, College of Medicine, Kaohsiung Medical University, Kaohsiung 807, Taiwan
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Smrithi SP, Kottam N, Muktha H, Mahule AM, Chamarti K, Vismaya V, Sharath R. Carbon dots derived from Beta vulgaris: evaluation of its potential as antioxidant and anticancer agent. NANOTECHNOLOGY 2021; 33:045403. [PMID: 34666320 DOI: 10.1088/1361-6528/ac30f1] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/09/2021] [Accepted: 10/19/2021] [Indexed: 06/13/2023]
Abstract
Carbon dots (CDs) endowed with outstanding physico-chemical characteristics expeditiously garnered tremendous popularity in the scientific community. CDs can be synthesized from a variety of natural resources and can replace metal semiconductor quantum dots in the range of applications such as bio-imaging, sensing and catalysis. Herein, CDs are green synthesized fromBeta vulgarisvia a single step hydrothermal approach (b-CDs). The synthesized carbon dots are characterized using UV-visible spectrophotometry, Fluorescence spectroscopy, High resolution transmission electron microscopy (HR-TEM), Fourier transform infrared spectroscopy (FT-IR), x-ray diffraction technique (XRD) and Raman spectroscopy. The b-CDs hence developed exhibited the signature 'excitation-dependent fluorescence emission' with its most intense emission in the green region. The quantum yield for the b-CDs obtained by this synthetic approach evinced an appreciable value of 11.6%. The antioxidant property of b-CDs are evaluated using 2, 2-diphenyl-1-picrylhydrazyl (DPPH) assay to obtain a maximum scavenging activity of 94.5% at a concentration of 1000μg ml-1and its underlying mechanisms are illustrated. The blood compatibility of b-CDs are assessed using haemolysis assay and the cytotoxicity evaluated using MTT assay shows significant cell growth-inhibition against the human breast cancer (MCF-7) and hepatocellular carcinoma (HepG2) cell lines. This succinct study demonstrates the inherent therapeutic potential of biocompatible carbon dots.
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Affiliation(s)
- S P Smrithi
- Department of Chemistry, M S Ramaiah Institute of Technology (An autonomous Institute affiliated to Visvesvaraya Technological University, Belgaum), Bangalore 560054, India
| | - Nagaraju Kottam
- Department of Chemistry, M S Ramaiah Institute of Technology (An autonomous Institute affiliated to Visvesvaraya Technological University, Belgaum), Bangalore 560054, India
- Center for Advanced Materials Technology, M. S Ramaiah Institute of Technology, Bangalore 560054, India
| | - H Muktha
- Department of Biotechnology, M S Ramaiah Institute of Technology (An autonomous Institute affiliated to Visvesvaraya Technological University, Belgaum), Bangalore 560054, India
| | - Apurva M Mahule
- Department of Chemical Engineering, M S Ramaiah Institute of Technology (An autonomous Institute affiliated to Visvesvaraya Technological University, Belgaum), Bangalore 560054, India
| | - Keertana Chamarti
- Department of Chemical Engineering, M S Ramaiah Institute of Technology (An autonomous Institute affiliated to Visvesvaraya Technological University, Belgaum), Bangalore 560054, India
| | - V Vismaya
- Department of Chemical Engineering, M S Ramaiah Institute of Technology (An autonomous Institute affiliated to Visvesvaraya Technological University, Belgaum), Bangalore 560054, India
| | - R Sharath
- Department of Food Technology, Davangere University, Shivagangotri, Davanagere 577 007, India
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Ravi PV, Subramaniyam V, Pattabiraman A, Pichumani M. Do amino acid functionalization stratagems on carbonaceous quantum dots imply multiple applications? A comprehensive review. RSC Adv 2021; 11:35028-35045. [PMID: 35494767 PMCID: PMC9043014 DOI: 10.1039/d1ra05571b] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2021] [Accepted: 10/07/2021] [Indexed: 12/29/2022] Open
Abstract
Amino acids are the noteworthy entity among biological molecules with diverse properties such as zwitterionic and amphoteric. Functionalizing carbon-based quantum dots using amino acids might be used for the extreme enhancement of electronic and optical properties of quantum dots and improve the performance of the resultant amino acid-functionalized quantum dots. The amino acid-functionalized quantum dots are highly soluble, sustainable, and biocompatible with virtuous optical and electrical performance, which makes them potential and suitable candidates for fabricating optoelectronic devices. The tenacity of using amino acids as functional groups to functionalize quantum dots and their novel properties are conferred to attain their multiple applications. The goal of this review is to provide the choices of amino acids based on the desired applications and a variety of functionalization techniques to make them a noteworthy material for future applications. The method of one-step and two-step functionalization strategies along with the properties of the resultant functionalized quantum dots and their plausible applications and future scope of the material are highlighted. Amidation is the basic principle behind the functionalization of quantum dots with amino acids. This review would be an exciting prospect to explore the pathways of the possible applications in different domains, in which the amino acid-functionalized quantum dots have not yet been explored. Further, this review article helps in pitching a variety of prominent applications right from sensors to energy storage systems either using the optical property or electronic property of amino acid-functionalized quantum dots.
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Affiliation(s)
- Pavithra V Ravi
- Department of Nanoscience and Technology, Sri Ramakrishna Engineering College Coimbatore 641 022 Tamilnadu India
| | - Vinodhini Subramaniyam
- Department of Nanoscience and Technology, Sri Ramakrishna Engineering College Coimbatore 641 022 Tamilnadu India
| | - Ajay Pattabiraman
- Government Primary Health Center Anaikatti Coimbatore 641 108 Tamilnadu India
| | - Moorthi Pichumani
- Department of Nanoscience and Technology, Sri Ramakrishna Engineering College Coimbatore 641 022 Tamilnadu India
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