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Luo Y, Chen M, Zhang T, Peng Q. 2D nanomaterials-based delivery systems and their potentials in anticancer synergistic photo-immunotherapy. Colloids Surf B Biointerfaces 2024; 242:114074. [PMID: 38972257 DOI: 10.1016/j.colsurfb.2024.114074] [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: 05/17/2024] [Revised: 06/22/2024] [Accepted: 07/03/2024] [Indexed: 07/09/2024]
Abstract
As the field of cancer therapeutics evolves, integrating two-dimensional (2D) nanomaterials with photo-immunotherapy has emerged as a promising approach with significant potential to augment cancer treatment efficacy. These 2D nanomaterials include graphene-based 2D nanomaterials, 2D MXenes, 2D layered double hydroxides, black phosphorus nanosheets, 2D metal-organic frameworks, and 2D transition metal dichalcogenides. They exhibit high load capacities, multiple functionalization pathways, optimal biocompatibility, and physiological stability. Predominantly, they function as anti-tumor delivery systems, amalgamating diverse therapeutic modalities, most notably phototherapy and immunotherapy, and the former is a recognized non-invasive treatment modality, and the latter represents the most promising anti-cancer strategy presently accessible. Thus, integrating phototherapy and immunotherapy founded on 2D nanomaterials unveils a novel paradigm in the war against cancer. This review delineates the latest developments in 2D nanomaterials as delivery systems for synergistic photo-immunotherapy in cancer treatment. We elaborate on the burgeoning realm of photo-immunotherapy, exploring the interplay between phototherapy and enhanced immune cells, immune response modulation, or immunosuppressive tumor microenvironments. Notably, the strategies to augment photo-immunotherapy have also been discussed. Finally, we discuss the challenges and future perspectives of these 2D nanomaterials in photo-immunotherapy.
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Affiliation(s)
- Yankun Luo
- State Key Laboratory of Oral Diseases & National Center for Stomatology & National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan 610041, China
| | - Ming Chen
- West China School of Medicine, Sichuan University, Chengdu, Sichuan 610041, China
| | - Ting Zhang
- Department of Pharmacy, West China Hospital, Sichuan University, Chengdu 610041, China.
| | - Qiang Peng
- State Key Laboratory of Oral Diseases & National Center for Stomatology & National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan 610041, China.
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2
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Tiwari S, Rudani BA, Tiwari P, Bahadur P, Flora SJS. Photodynamic therapy of cancer using graphene nanomaterials. Expert Opin Drug Deliv 2024:1-18. [PMID: 39205381 DOI: 10.1080/17425247.2024.2398604] [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: 07/01/2024] [Accepted: 08/27/2024] [Indexed: 09/04/2024]
Abstract
INTRODUCTION High incidence and fatality rates of cancer remain a global challenge. The success of conventional treatment modalities is being questioned on account of adverse effects. Photodynamic therapy (PDT) is a potential alternative. It utilizes a combination of photosensitizer (PS), light and oxygen to target the tissues locally, thereby minimizing the damage to neighboring healthy tissues. Conventional PSs suffer from poor selectivity, high hydrophobicity and sub-optimal yield of active radicals. Graphene nanomaterials (GNs) exhibit interesting particulate and photophysical properties in the context of their use in PDT. AREA COVERED We focus on describing the mechanistic aspects of PDT-mediated elimination of cancer cells and the subsequent development of adaptive immunity. After covering up-to-date literature on the significant enhancement of PDT capability with GNs, we have discussed the probability of combining PDT with chemo-, immuno-, and photothermal therapy to make the treatment more effective. EXPERT OPINION GNs can be synthesized in various size ranges, and their biocompatibility can be improved through surface functionalization and doping. These can be used as PS to generate ROS or conjugated with other PS molecules for treating deep-seated tumors. With increasing evidence on biosafety, such materials offer hope as antitumor therapeutics.
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Affiliation(s)
- Sanjay Tiwari
- Department of Pharmaceutics, National Institute of Pharmaceutical Education and Research (NIPER) - Raebareli, Lucknow, India
| | - Binny A Rudani
- Department of Pharmaceutics, National Institute of Pharmaceutical Education and Research (NIPER) - Raebareli, Lucknow, India
| | - Priyanka Tiwari
- Department of Pharmaceutics, National Institute of Pharmaceutical Education and Research (NIPER) - Raebareli, Lucknow, India
| | - Pratap Bahadur
- Department of Chemistry, Veer Narmad South Gujarat University, Surat, India
| | - Swaran J S Flora
- Era College of Pharmacy, Era Lucknow Medical University, Lucknow, India
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3
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Mousavi SM, Kalashgrani MY, Javanmardi N, Riazi M, Akmal MH, Rahmanian V, Gholami A, Chiang WH. Recent breakthroughs in graphene quantum dot-enhanced sonodynamic and photodynamic therapy. J Mater Chem B 2024; 12:7041-7062. [PMID: 38946657 DOI: 10.1039/d4tb00767k] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/02/2024]
Abstract
Water-soluble graphene quantum dots (GQDs) have recently exhibited considerable potential for diverse biomedical applications owing to their exceptional optical and chemical properties. However, the pronounced heterogeneity in the composition, size, and morphology of GQDs poses challenges for a comprehensive understanding of the intricate correlation between their structural attributes and functional properties. This variability also introduces complexities in scaling the production processes and addressing safety considerations. Light and sound have firmly established their role in clinical applications as pivotal energy sources for minimally invasive therapeutic interventions. Given the limited penetration depth of light, photodynamic therapy (PDT) predominantly targets superficial conditions such as dermatological disorders, head and neck malignancies, ocular ailments, and early-stage esophageal cancer. Conversely, ultrasound-based sonodynamic therapy (SDT) capitalizes on its superior ability to propagate and focus ultrasound within biological tissues, enabling a diverse range of therapeutic applications, including the management of gliomas, breast cancer, hematological tumors, and modulation of the blood-brain barrier (BBB). Considering the advancements in theranostic and precision therapies, reevaluating these conventional energy sources and their associated sensitizers is imperative. This review introduces three prevalent treatment modalities that harness light and sound stimuli: PDT, SDT, and a synergistic approach that integrates PDT and SDT. This study delineated the therapeutic dynamics and contemporary designs of sensitizers tailored to these modalities. By exploring the historical context of the field and elucidating the latest design strategies, this review underscores the pivotal role of GQDs in propelling the evolution of PDT and SDT. This aspires to stimulate researchers to develop "multimodal" therapies integrating both light and sound stimuli.
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Affiliation(s)
- Seyyed Mojtaba Mousavi
- Department of Chemical Engineering, National Taiwan University of Science and Technology, Taipei 10607, Taiwan.
| | | | - Negar Javanmardi
- School of Chemistry and Chemical Engineering, Nanjing University of Science and Technology, Nanjing 210094, China
| | - Mohsen Riazi
- Biotechnology Research Center, Shiraz University of Medical Sciences, Shiraz, Iran.
| | - Muhammad Hussnain Akmal
- Department of Chemical Engineering, National Taiwan University of Science and Technology, Taipei 10607, Taiwan.
| | - Vahid Rahmanian
- Department of Mechanical Engineering, Université du Québec à Trois-Rivières, Drummondville, Quebec, J2C 0R5, Canada.
- Centre national intégré du manufacturier intelligent (CNIMI), Université du Québec à Trois-Rivières, Drummondville, QC, Canada
| | - Ahmad Gholami
- Biotechnology Research Center, Shiraz University of Medical Sciences, Shiraz, Iran.
| | - Wei-Hung Chiang
- Department of Chemical Engineering, National Taiwan University of Science and Technology, Taipei 10607, Taiwan.
- Sustainable Electrochemical Energy Development (SEED) Center, National Taiwan University of Science and Technology, Taipei City 10607, Taiwan
- Advanced Manufacturing Research Center, National Taiwan University of Science and Technology, Taipei City 10607, Taiwan
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4
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Deng S, Zhang E, Zhao Y, Guo H, Luo L, Yi S, Zheng B, Mu X, Yuan K, Deng X, Rong H, Ma Y, Bian W, Shen H. Graphene oxide quantum dots (GOQDs) induce behavioral disorders via the disturbance of kynurenine pathway in zebrafish larvae. Comp Biochem Physiol C Toxicol Pharmacol 2024; 279:109865. [PMID: 38403007 DOI: 10.1016/j.cbpc.2024.109865] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/16/2023] [Revised: 01/25/2024] [Accepted: 02/15/2024] [Indexed: 02/27/2024]
Abstract
The emergence of graphene quantum dots (GQDs) expands the use of graphene derivatives in nanomedicine for its direct therapeutic applications in treating neurodegeneration, inflammation, metabolic dysfunction, and among others. Nevertheless, the biosafety assessment of GQDs remains deficient mostly because of the diverse surface characteristics of the nanoparticles. Our prior work demonstrated that GQDs can induce strong thigmotactic effects in zebrafish larvae over a wide range of concentrations, yet the underlying metabolic mechanisms remain largely unknown. In this study, we conducted a further exploration about graphene oxide quantum dots (GOQDs) for its potential neurotoxic effect on the behaviors of zebrafish larvae by combining neurotransmitter-targeted metabolomics with locomotion analysis. After continuous exposure to a concentration gradient of GOQDs (12.5 - 25 - 50 - 100 - 200 μg/mL) for 7 days, the thigmotactic activities of zebrafish larvae were observed across all exposure concentrations relative to the control group, while the basal locomotor activities, including distance moved and average velocity, were significantly changed by low concentrations of GOQDs. Targeted metabolomics was performed using zebrafish larvae at 7 days post-fertilization (dpf) that were exposed to 12.5 and 200 μg/mL, both of which were found to perturb the kynurenine pathway by regulating the levels of kynurenine, 3-hydroxyanthranilic acid (3-HAA), and quinolinic acid (QA). Furthermore, the thigmotaxis of larval fish induced by GOQDs during exposure could be counteracted by supplementing Ro-61-8048, an agonist acting on kynurenine 3-monooxygenase (KMO). In conclusion, our study establishes the involvement of the kynurenine pathway in GOQDs-induced thigmotaxis, which is independent of the transcriptional modulation of glutamate receptor families.
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Affiliation(s)
- Shun Deng
- Sichuan Provincial Orthopedic Hospital, Chengdu 610041, China.
| | - Enming Zhang
- School of Sports Medicine and Physical Therapy, Beijing Sport University, Beijing 100084, China
| | - Yunyang Zhao
- Scientific Research Center, Wenzhou Medical University, Wenzhou 325035, China
| | - Hao Guo
- School of Sports Medicine and Physical Therapy, Beijing Sport University, Beijing 100084, China
| | - Lan Luo
- Chongqing Institute of Green and Intelligent Technology, Chinese Academy of Science, Chongqing 400714, China
| | - Song Yi
- Sichuan Provincial Orthopedic Hospital, Chengdu 610041, China
| | - Bingxin Zheng
- Sichuan Provincial Orthopedic Hospital, Chengdu 610041, China
| | - Xiaoyuan Mu
- Sichuan Provincial Orthopedic Hospital, Chengdu 610041, China
| | - Kezhu Yuan
- Sichuan Provincial Orthopedic Hospital, Chengdu 610041, China
| | - Xuangen Deng
- Sichuan Provincial Orthopedic Hospital, Chengdu 610041, China
| | - Haibo Rong
- Sichuan Provincial Orthopedic Hospital, Chengdu 610041, China
| | - Yanbo Ma
- Chongqing Institute of Green and Intelligent Technology, Chinese Academy of Science, Chongqing 400714, China
| | - Wanping Bian
- Chongqing Institute of Green and Intelligent Technology, Chinese Academy of Science, Chongqing 400714, China
| | - Hai Shen
- Sichuan Provincial Orthopedic Hospital, Chengdu 610041, China.
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Khorshidi A, Bahari A, Hamidabadi VF. Compounding Methylene Blue with Selenium-decorated Graphene Quantum Dots to Improve Singlet Oxygen Production for Photodynamic Therapy Application. J Fluoresc 2024:10.1007/s10895-024-03719-4. [PMID: 38619731 DOI: 10.1007/s10895-024-03719-4] [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: 03/25/2024] [Accepted: 04/08/2024] [Indexed: 04/16/2024]
Abstract
Graphene quantum dots (GQDs) are known as suitable material to be applied in different fields such as photodynamic therapy (PDT). Herein, GQDs were synthesized by the pyrolysis method and then decorated with selenium (Se). Afterward, they were combined with methylene blue (MB) to increase singlet oxygen generation as well as to apply them more effectively in the PDT method. Furthermore, GQDs were investigated by transmission electron microscope (TEM), photoluminescence spectrum (PL), Fourier-transform infrared spectroscopy (FTIR), field emission scanning electron microscope (FESEM), reactive oxygen species (ROS) measurement, and cytotoxicity measurement. GQDs showed no dependence on the excitation wavelength. The result of ROS measurement proves that the combination of GQD-Se and MB increases singlet oxygen production. Moreover, afterglow measurement approved the beneficial effect of GQD-Se on even deep and near skin tumor treatment. Cytotoxicity measurements under dark conditions, cell viability, and the side effects on human cells were determined by (3-[4,5-dimethylthiazol-2-yl]-2,5 diphenyl tetrazolium bromide) (MTT) assay. Our findings show that under dark conditions, even high concentrations of nanoparticles have no significant effect on cell viability. These findings and the high biocompatibility of GQDs indicate the effective application of GQD-Se-MB in PDT.
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Affiliation(s)
- Ammar Khorshidi
- Department of Solid State Physics, Faculty of Sciences, University of Mazandaran, Babolsar, 4741695447, Iran
- , Babolsar, Iran
| | - Ali Bahari
- Department of Solid State Physics, Faculty of Sciences, University of Mazandaran, Babolsar, 4741695447, Iran.
| | - Vaheed Fallah Hamidabadi
- Department of Solid State Physics, Faculty of Sciences, University of Mazandaran, Babolsar, 4741695447, Iran
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6
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Fang Q, Tang M. Oxidative stress-induced neurotoxicity of quantum dots and influencing factors. Nanomedicine (Lond) 2024; 19:1013-1028. [PMID: 38606672 PMCID: PMC11225328 DOI: 10.2217/nnm-2023-0326] [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: 11/08/2023] [Accepted: 02/26/2024] [Indexed: 04/13/2024] Open
Abstract
Quantum dots (QDs) have significant potential for treating and diagnosing CNS diseases. Meanwhile, the neurotoxicity of QDs has garnered attention. In this review, we focus on elucidating the mechanisms and consequences of CNS oxidative stress induced by QDs. First, we discussed the pathway of QDs transit into the brain. We then elucidate the relationship between QDs and oxidative stress from in vivo and in vitro studies. Furthermore, the main reasons and adverse outcomes of QDs leading to oxidative stress are discussed. In addition, the primary factors that may affect the neurotoxicity of QDs are analyzed. Finally, we propose potential strategies for mitigating QDs neurotoxicity and outline future perspectives for their development.
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Affiliation(s)
- Qing Fang
- Key Laboratory of Environmental Medicine & Engineering, Ministry of Education, School of Public Health, Southeast University, Nanjing, 210009, People's Republic of China
| | - Meng Tang
- Key Laboratory of Environmental Medicine & Engineering, Ministry of Education, School of Public Health, Southeast University, Nanjing, 210009, People's Republic of China
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7
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Lee JW, Kwak JH, Kim J, Jang YK, Han JT, Kim TJ, Hong KS, Jeong HJ, Yang IHS. Highly emissive blue graphene quantum dots with excitation-independent emission via ultrafast liquid-phase photoreduction. RSC Adv 2024; 14:11524-11532. [PMID: 38601707 PMCID: PMC11005024 DOI: 10.1039/d4ra01113a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2024] [Accepted: 04/02/2024] [Indexed: 04/12/2024] Open
Abstract
Graphene oxide quantum dots (GOQDs) are promising candidates for biomedical applications since they have lower toxicity and higher biocompatibility than traditional semiconductor quantum dots. However, oxygen functional groups such as epoxy and hydroxyl groups usually induce nonradiative relaxation, which leads to GOQDs exhibiting nonemissive properties. For the enhancement of the emission efficiency of GOQDs, the number of nonradiative relaxation sites should be reduced. This paper reports the synthesis of highly luminescent reduced GOQDs prepared by liquid-phase photoreduction (LPP-rGOQDs). First, GOQDs was fabricated from single-walled carbon nanotubes through chlorate-based oxidation and separation after acoustic cavitation. Subsequently, LPP-rGOQDs were obtained by liquid-phase photoreduction of the GOQD suspension under intense pulsed light irradiation. Liquid-phase photoreduction selectively reduced epoxy groups present on the basal plane of GOQDs, and hydrogenated the basal plane without removal of carbonyl and carboxyl groups at the edges of the GOQDs. Such selective removal of oxidative functional groups was used to control the reduction degree of GOQDs, closely related to their optical properties. The optimized LPP-rGOQDs were bright blue in color and showed quantum yields up to about 19.7%, which was 10 times the quantum yield of GOQDs. Furthermore, the LPP-rGOQDs were utilized to image a human embryonic kidney (HEK293A), and a low cytotoxicity level and satisfactory cell imaging performance were observed.
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Affiliation(s)
- Jae-Won Lee
- Department of Physics, Pusan National University Busan 46241 South Korea
- Nano Hybrid Technology Research Center, Creative and Fundamental Research Division, Korea Electrotechnology Research Institute (KERI) Changwon 51543 Republic of Korea
| | - Ji Hye Kwak
- Electrical Environment Research Center, Power Grid Research Division Korea Electrotechnology Research Institute (KERI) Changwon 51543 Republic of Korea
| | - Juhee Kim
- Nano Hybrid Technology Research Center, Creative and Fundamental Research Division, Korea Electrotechnology Research Institute (KERI) Changwon 51543 Republic of Korea
| | - Yoon-Kwan Jang
- Department of Biological Sciences, Pusan National University Busan 46241 South Korea
| | - Joong Tark Han
- Nano Hybrid Technology Research Center, Creative and Fundamental Research Division, Korea Electrotechnology Research Institute (KERI) Changwon 51543 Republic of Korea
| | - Tae-Jin Kim
- Department of Biological Sciences, Pusan National University Busan 46241 South Korea
| | - Kyong-Soo Hong
- Busan Center, Korea Basic Science Institute (KBSI) Busan 46742 South Korea
| | - Hee Jin Jeong
- Nano Hybrid Technology Research Center, Creative and Fundamental Research Division, Korea Electrotechnology Research Institute (KERI) Changwon 51543 Republic of Korea
| | - Imjeong H-S Yang
- Department of Physics, Pusan National University Busan 46241 South Korea
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8
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Singh N, Sen Gupta R, Bose S. A comprehensive review on singlet oxygen generation in nanomaterials and conjugated polymers for photodynamic therapy in the treatment of cancer. NANOSCALE 2024; 16:3243-3268. [PMID: 38265094 DOI: 10.1039/d3nr05801h] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/25/2024]
Abstract
A key role in lessening humanity's continuous fight against cancer could be played by photodynamic therapy (PDT), a minimally invasive treatment employed in the medical care of a range of benign disorders and malignancies. Cancerous tissue can be effectively removed by using a light source-excited photosensitizer. Singlet oxygen and reactive oxygen species are produced via the photosensitizer as a result of this excitation. In the recent past, researchers have put in tremendous efforts towards developing photosensitizer molecules for photodynamic treatment (PDT) to treat cancer. Conjugated polymers, characterized by their efficient fluorescence, exceptional photostability, and strong light absorption, are currently under scrutiny for their potential applications in cancer detection and treatment through photodynamic and photothermal therapy. Researchers are exploring the versatility of these polymers, utilizing sophisticated chemical synthesis and adaptable polymer structures to create new variants with enhanced capabilities for generating singlet oxygen in photodynamic treatment (PDT). The incorporation of photosensitizers into conjugated polymer nanoparticles has proved to be beneficial, as it improves singlet oxygen formation through effective energy transfer. The evolution of nanotechnology has emerged as an alternative avenue for enhancing the performance of current photosensitizers and overcoming significant challenges in cancer PDT. Various materials, including biocompatible metals, polymers, carbon, silicon, and semiconductor-based nanomaterials, have undergone thorough investigation as potential photosensitizers for cancer PDT. This paper outlines the recent advances in singlet oxygen generation by investigators using an array of materials, including graphene quantum dots (GQDs), gold nanoparticles (Au NPs), silver nanoparticles (Ag NPs), titanium dioxide (TiO2), ytterbium (Yb) and thulium (Tm) co-doped upconversion nanoparticle cores (Yb/Tm-co-doped UCNP cores), bismuth oxychloride nanoplates and nanosheets (BiOCl nanoplates and nanosheets), and others. It also stresses the synthesis and application of systems such as amphiphilic block copolymer functionalized with folic acid (FA), polyethylene glycol (PEG), poly(β-benzyl-L-aspartate) (PBLA10) (FA-PEG-PBLA10) functionalized with folic acid, tetra(4-hydroxyphenyl)porphyrin (THPP-(PNIPAM-b-PMAGA)4), pyrazoline-fused axial silicon phthalocyanine (HY-SiPc), phthalocyanines (HY-ZnPcp, HY-ZnPcnp, and HY-SiPc), silver nanoparticles coated with polyaniline (Ag@PANI), doxorubicin (DOX) and infrared (IR)-responsive poly(2-ethyl-2-oxazoline) (PEtOx) (DOX/PEtOx-IR NPs), particularly in NIR imaging-guided photodynamic therapy (fluorescent and photoacoustic). The study puts forward a comprehensive summary and a convincing justification for the usage of the above-mentioned materials in cancer PDT.
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Affiliation(s)
- Neetika Singh
- Department of Materials Engineering, Indian Institute of Science, Bangalore, Karnataka - 560012, India.
| | - Ria Sen Gupta
- Department of Materials Engineering, Indian Institute of Science, Bangalore, Karnataka - 560012, India.
| | - Suryasarathi Bose
- Department of Materials Engineering, Indian Institute of Science, Bangalore, Karnataka - 560012, India.
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9
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Jovanović S, Marković Z, Budimir M, Prekodravac J, Zmejkoski D, Kepić D, Bonasera A, Marković BT. Lights and Dots toward Therapy-Carbon-Based Quantum Dots as New Agents for Photodynamic Therapy. Pharmaceutics 2023; 15:pharmaceutics15041170. [PMID: 37111655 PMCID: PMC10145889 DOI: 10.3390/pharmaceutics15041170] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2023] [Revised: 04/01/2023] [Accepted: 04/04/2023] [Indexed: 04/29/2023] Open
Abstract
The large number of deaths induced by carcinoma and infections indicates that the need for new, better, targeted therapy is higher than ever. Apart from classical treatments and medication, photodynamic therapy (PDT) is one of the possible approaches to cure these clinical conditions. This strategy offers several advantages, such as lower toxicity, selective treatment, faster recovery time, avoidance of systemic toxic effects, and others. Unfortunately, there is a small number of agents that are approved for usage in clinical PDT. Novel, efficient, biocompatible PDT agents are, thus, highly desired. One of the most promising candidates is represented by the broad family of carbon-based quantum dots, such as graphene quantum dots (GQDs), carbon quantum dots (CQDs), carbon nanodots (CNDs), and carbonized polymer dots (CPDs). In this review paper, these new smart nanomaterials are discussed as potential PDT agents, detailing their toxicity in the dark, and when they are exposed to light, as well as their effects on carcinoma and bacterial cells. The photoinduced effects of carbon-based quantum dots on bacteria and viruses are particularly interesting, since dots usually generate several highly toxic reactive oxygen species under blue light. These species are acting as bombs on pathogen cells, causing various devastating and toxic effects on those targets.
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Affiliation(s)
- Svetlana Jovanović
- Vinča Institute of Nuclear Sciences-National Institute of the Republic of Serbia, University of Belgrade, P.O. Box 522, 11000 Belgrade, Serbia
| | - Zoran Marković
- Vinča Institute of Nuclear Sciences-National Institute of the Republic of Serbia, University of Belgrade, P.O. Box 522, 11000 Belgrade, Serbia
| | - Milica Budimir
- Vinča Institute of Nuclear Sciences-National Institute of the Republic of Serbia, University of Belgrade, P.O. Box 522, 11000 Belgrade, Serbia
| | - Jovana Prekodravac
- Vinča Institute of Nuclear Sciences-National Institute of the Republic of Serbia, University of Belgrade, P.O. Box 522, 11000 Belgrade, Serbia
| | - Danica Zmejkoski
- Vinča Institute of Nuclear Sciences-National Institute of the Republic of Serbia, University of Belgrade, P.O. Box 522, 11000 Belgrade, Serbia
| | - Dejan Kepić
- Vinča Institute of Nuclear Sciences-National Institute of the Republic of Serbia, University of Belgrade, P.O. Box 522, 11000 Belgrade, Serbia
| | - Aurelio Bonasera
- Palermo Research Unit, Department of Physics and Chemistry-Emilio Segrè, University of Palermo and Consorzio Interuniversitario Nazionale per la Scienza e Tecnologia dei Materiali (INSTM), 90128 Palermo, Italy
| | - Biljana Todorović Marković
- Vinča Institute of Nuclear Sciences-National Institute of the Republic of Serbia, University of Belgrade, P.O. Box 522, 11000 Belgrade, Serbia
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10
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Hsieh CT, Gu S, Gandomi YA, Fu CC, Sung PY, Juang RS, Chen CC. Employing functionalized graphene quantum dots to combat coronavirus and enterovirus. J Colloid Interface Sci 2023; 630:1-10. [PMID: 36308803 PMCID: PMC9580242 DOI: 10.1016/j.jcis.2022.10.082] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2022] [Revised: 10/11/2022] [Accepted: 10/16/2022] [Indexed: 11/20/2022]
Abstract
The ongoing COVID-19 (i.e., coronavirus) pandemic continues to adversely affect the human life, economy, and the world's ecosystem. Although significant progress has been made in developing antiviral materials for the coronavirus, much more work is still needed. In this work, N-functionalized graphene quantum dots (GQDs) were designed and synthesized as the antiviral nanomaterial for Feline Coronavirus NTU156 (FCoV NTU156) and Enterovirus 71 (EV71)) with ultra-high inhibition (>99.9%). To prepare the GQD samples, a unique solid-phase microwave-assisted technique was developed and the cell toxicity was established on the H171 and H184 cell lines after 72 h incubation, indicating superior biocompatibility. The surface functionality of GQDs (i.e., the phenolic and amino groups) plays a vital role in interacting with the receptor-binding-domain of the spike protein. It was also found that the addition of polyethylene glycol is advantageous for the dispersion and the adsorption of functionalized GQDs onto the virus surface, leading to an enhanced virus inhibition. The functionality of as-prepared GQD nanomaterials was further confirmed where a functionalized GQD-coated glass was shown to be extremely effective in hindering the virus spread for a relatively long period (>20 h).
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Affiliation(s)
- Chien-Te Hsieh
- Department of Chemical Engineering and Materials Science, Yuan Ze University, Taoyuan 32003, Taiwan; Department of Mechanical, Aerospace, and Biomedical Engineering, University of Tennessee, Knoxville, TN 37996, United States.
| | - Siyong Gu
- Fujian Provincial Key Laboratory of Functional Materials and Applications, School of Materials Science and Engineering, Xiamen University of Technology, Xiamen 361024, China
| | - Yasser Ashraf Gandomi
- Department of Chemical Engineering, Massachusetts Institute of Technology, Cambridge, MA 02142, United States
| | - Chun-Chieh Fu
- Department of Chemical and Materials Engineering, Chang Gung University, Guishan, Taoyuan 33302, Taiwan; Research and Development Division, Gold Carbon Co., Ltd., Taoyuan 320675, Taiwan
| | - Po-Yu Sung
- Department of Chemical Engineering and Materials Science, Yuan Ze University, Taoyuan 32003, Taiwan
| | - Ruey-Shin Juang
- Department of Chemical and Materials Engineering, Chang Gung University, Guishan, Taoyuan 33302, Taiwan; Division of Nephrology, Department of Internal Medicine, Chang Gung Memorial Hospital, Linkou, Taiwan; Department of Safety, Health and Environmental Engineering, Ming Chi University of Technology, Taishan, New Taipei City 24301, Taiwan.
| | - Cheng-Cheung Chen
- Institute of Preventive Medicine, National Defense Medical Center, New Taipei City 23742, Taiwan; Graduate Institute of Medical Science, National Defense Medical Center, Taipei City 11490, Taiwan.
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You X, Chen C, Yang L, Xia X, Zhang Y, Zhou X. Physiological and morphological responses of Chlorella pyrenoidosa to different exposure methods of graphene oxide quantum dots. THE SCIENCE OF THE TOTAL ENVIRONMENT 2023; 854:158722. [PMID: 36108851 DOI: 10.1016/j.scitotenv.2022.158722] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/15/2022] [Revised: 09/07/2022] [Accepted: 09/09/2022] [Indexed: 06/15/2023]
Abstract
Graphene oxide quantum dots (GOQDs) can convert the ultraviolet (200- 380 nm) into available wavelength (400- 700 nm) for microalgae cultivation. However, it has not been applied in large-scale microalgae culture due to its high cost and difficulties in recovery. This study proposed a new strategy for the sustainable use of GOQDs, namely, GOQDs solution was added to the outer sandwich of the reactor. Herein, the effects of direct and indirect exposure of different GOQDs concentrations (0, 100, and 1000 mg/L) on the microalgae culture were compared. When microalgae were directly exposed to the GOQDs, 100 mg/L of GOQDs increased the biomass production of microalgae by 24.0 %, while 1000 mg/L of GOQDs decreased biomass production by 31 %. High concentration of GOQDs (direct exposure) could cause extra oxidative stress in the microalgae cells and result in a significant reduction of pigment content. When microalgae were indirectly exposed to the GOQDs, the increased concentration of GOQDs enhanced the growth of microalgae. Compared to the blank group, 1000 mg/L of GOQDs increased the microalgae biomass production and bioenergy by 14.1 % and 40.17 %, respectively. The indirect exposure of GOQDs can effectively avoid photo-oxidation and organelle damage to the microalgae cells. Overall, the indirect exposure of GOQDs is a sustainable way for effectively promoting microalgae growth and reducing the application cost.
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Affiliation(s)
- Xiaogang You
- College of Environmental Science and Engineering, Tongji University, Shanghai 200092, China; State Key Laboratory of Pollution Control and Resource Reuse, Shanghai 200092, China
| | - Can Chen
- College of Environmental Science and Engineering, Tongji University, Shanghai 200092, China; State Key Laboratory of Pollution Control and Resource Reuse, Shanghai 200092, China
| | - Libin Yang
- College of Environmental Science and Engineering, Tongji University, Shanghai 200092, China; State Key Laboratory of Pollution Control and Resource Reuse, Shanghai 200092, China.
| | - Xuefen Xia
- College of Environmental Science and Engineering, Tongji University, Shanghai 200092, China; State Key Laboratory of Pollution Control and Resource Reuse, Shanghai 200092, China
| | - Yalei Zhang
- College of Environmental Science and Engineering, Tongji University, Shanghai 200092, China; State Key Laboratory of Pollution Control and Resource Reuse, Shanghai 200092, China
| | - Xuefei Zhou
- College of Environmental Science and Engineering, Tongji University, Shanghai 200092, China; State Key Laboratory of Pollution Control and Resource Reuse, Shanghai 200092, China
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12
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Lee IH, Kim SH, Kang DH. Quercetin mediated antimicrobial photodynamic treatment using blue light on Escherichia coli O157:H7 and Listeria monocytogenes. Curr Res Food Sci 2022; 6:100428. [PMID: 36632435 PMCID: PMC9826937 DOI: 10.1016/j.crfs.2022.100428] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2022] [Revised: 12/20/2022] [Accepted: 12/22/2022] [Indexed: 01/01/2023] Open
Abstract
Interest in using an antimicrobial photodynamic treatment (aPDT) for the microbial decontamination of food has been growing. In this study, quercetin, a substance found ubiquitously in plants, was used as a novel exogenous photosensitizer with 405 nm blue light (BL) for the aPDT on foodborne pathogens, and the inactivation mechanism was elucidated. The inactivation of Escherichia coli O157:H7 and Listeria monocytogenes in PBS solution by the quercetin and BL combination treatment reached a log reduction of 6.2 and more than 7.55 at 80 J/cm2 (68 min 21 s), respectively. When EDTA was added to investigate the reason for different resistance between two bacteria, the effect of aPDT was enhanced against E. coli O157:H7 but not L. monocytogenes. This result indicated that the lipopolysaccharide of Gram-negative bacteria operated as a protective barrier. It was experimentally demonstrated that quercetin generated the superoxide anion and hydrogen peroxide as the reactive oxygen species that oxidize and inactivate cell components. The damage to the bacterial cell membrane by aPDT was evaluated by propidium iodide, where the membrane integrity significantly (P < 0.05) decreased from 40 J/cm2 compared to control. In addition, DNA integrity of bacteria was significantly (P < 0.05) more decreased after aPDT than BL treatment. The inactivation results could be applied in liquid food industries for decontamination of foodborne pathogens, and the mechanisms data was potentially utilized for further studies about aPDT using quercetin.
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Affiliation(s)
- In-Hwan Lee
- Department of Agricultural Biotechnology, Center of Food and Bioconvergence, Research Institute of Agriculture and Life Sciences, Seoul National University, Seoul, 08826, Republic of Korea
| | - Soo-Hwan Kim
- Department of Agricultural Biotechnology, Center of Food and Bioconvergence, Research Institute of Agriculture and Life Sciences, Seoul National University, Seoul, 08826, Republic of Korea
| | - Dong-Hyun Kang
- Department of Agricultural Biotechnology, Center of Food and Bioconvergence, Research Institute of Agriculture and Life Sciences, Seoul National University, Seoul, 08826, Republic of Korea,Institutes of Green Bio Science and Technology, Seoul National University, Pyeong-Chang, Gangwon-do, 25354, Republic of Korea,Corresponding author. Department of Agricultural Biotechnology, Seoul National University, Seoul, Republic of Korea.
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A Mini Review of Nanomaterials on Photodynamic Therapy. JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY C: PHOTOCHEMISTRY REVIEWS 2022. [DOI: 10.1016/j.jphotochemrev.2022.100568] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
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14
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Wang Q, Pang E, Tan Q, Zhao S, Yi J, Zeng J, Lan M. Regulating photochemical properties of carbon dots for theranostic applications. WIRES NANOMEDICINE AND NANOBIOTECHNOLOGY 2022; 15:e1862. [PMID: 36347269 DOI: 10.1002/wnan.1862] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/31/2022] [Revised: 09/21/2022] [Accepted: 09/30/2022] [Indexed: 11/10/2022]
Abstract
As a new zero-dimensional carbon-based material, carbon dots (CDs) have attracted extensive attention owing to their advantages such as easy preparation and surface modification, good biocompatibility and water solubility, and tunable photochemical properties. CDs have become one of the most promising nanomaterials in the field of fluorescent sensing, bioimaging, and cancer therapy. How to precisely regulate the photochemical properties, especially the absorption, fluorescence, phosphorescence, reactive oxygen species generation, and photothermal conversion of the CDs, is the key to developing highly efficient phototheranostics for cancer treatment. Although many studies on cancer therapy using CDs have been published, no review has focused on the regulation of photochemical properties of CDs for phototheranostic applications. In this review, we summarized the strategies such as the selection of suitable carbon source, heteroatomic doping, optimum reaction conditions, surface modification, and assembly strategy to efficiently regulate the photochemical properties of the CDs to meet the requirements of different practical applications. This review might provide some valuable insight and new ideas for the development of CDs with excellent phototheranostic performance. This article is categorized under: Therapeutic Approaches and Drug Discovery > Emerging Technologies Nanotechnology Approaches to Biology > Nanoscale Systems in Biology Diagnostic Tools > In Vivo Nanodiagnostics and Imaging.
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Affiliation(s)
- Qin Wang
- Key Laboratory of Hunan Province for Water Environment and Agriculture Product Safety, College of Chemistry and Chemical Engineering Central South University Changsha Hunan People's Republic of China
| | - E Pang
- Key Laboratory of Hunan Province for Water Environment and Agriculture Product Safety, College of Chemistry and Chemical Engineering Central South University Changsha Hunan People's Republic of China
| | - Qiuxia Tan
- Key Laboratory of Hunan Province for Water Environment and Agriculture Product Safety, College of Chemistry and Chemical Engineering Central South University Changsha Hunan People's Republic of China
| | - Shaojing Zhao
- Key Laboratory of Hunan Province for Water Environment and Agriculture Product Safety, College of Chemistry and Chemical Engineering Central South University Changsha Hunan People's Republic of China
| | - Jianing Yi
- Department of Breast and Thyroid Gland Surgical, Hunan Provincial People's Hospital The First Affiliated Hospital of Hunan Normal University Changsha Hunan People's Republic of China
| | - Jie Zeng
- Surgical Department of Breast and Thyroid Gland, Hunan Provincial People's Hospital The First Affiliated Hospital of Hunan Normal University Changsha Hunan People's Republic of China
| | - Minhuan Lan
- Key Laboratory of Hunan Province for Water Environment and Agriculture Product Safety, College of Chemistry and Chemical Engineering Central South University Changsha Hunan People's Republic of China
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Wang J, Yi M, Xin Y, Pang Y, Zou Y. Reduced Graphene Oxide Quantum Dot Light Emitting Diodes Fabricated Using an Ultraviolet Light Emitting Diode Photolithography Technique. ACS APPLIED MATERIALS & INTERFACES 2022; 14:48976-48985. [PMID: 36278937 DOI: 10.1021/acsami.2c13821] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/16/2023]
Abstract
Graphene quantum dots usually suffer from serious fluorescence quenching in aggregates and the solid state due to easy agglomeration and aggregation-induced quenching, which seriously restrict their practical applications. An ingenious strategy to kill three birds with one stone, the ultraviolet (UV) photolithography technique, was studied, and blue-emitting reduced graphene oxide quantum dot (rGOQD)-based light emitting diodes (LEDs) with efficient solid state emission were first fabricated using UV photolithography. First, rGOQDs were prepared by the in situ photoreduction of GOQDs by using the photoinitiator phenyl bis(2,4,6-trimethylbenzoyl)phosphine oxide with 395 nm UV LED exposure. Furthermore, rGOQD/photoresist patterns were prepared under the same conditions. Meanwhile, the in situ photoreduction of GO in the aforementioned photoresist to rGO was realized by UV photolithography to improve the conductivity of the rGOQD/photoresist films. Additionally, the in situ photoreduction of GOQDs in different surroundings was studied, with the results showing that GOQDs are more easily photoreduced in ionic liquids and that the photoluminescence spectrum obtained for rGOQDs exhibits a 70 nm blueshift with a narrow full-width at half-maximum compared to GOQDs.
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Affiliation(s)
- Jing Wang
- College of Chemistry, Beijing Normal University, No.19, Xinjiekouwai St. Haidian District, Beijing 100875, P. R. China
| | - Mei Yi
- College of Chemistry, Beijing Normal University, No.19, Xinjiekouwai St. Haidian District, Beijing 100875, P. R. China
| | - Yangyang Xin
- Hubei Gurun Technology Co., Ltd, Jingmen Chemical Recycling Industrial Park, Jingmen, Hubei Province 448000, P. R. China
| | - Yulian Pang
- Hubei Gurun Technology Co., Ltd, Jingmen Chemical Recycling Industrial Park, Jingmen, Hubei Province 448000, P. R. China
| | - Yingquan Zou
- College of Chemistry, Beijing Normal University, No.19, Xinjiekouwai St. Haidian District, Beijing 100875, P. R. China
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Jovanovic S, Bonasera A, Dorontic S, Zmejkoski D, Milivojevic D, Janakiev T, Todorovic Markovic B. Antioxidative and Photo-Induced Effects of Different Types of N-Doped Graphene Quantum Dots. MATERIALS (BASEL, SWITZERLAND) 2022; 15:6525. [PMID: 36233866 PMCID: PMC9571130 DOI: 10.3390/ma15196525] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/29/2022] [Revised: 09/09/2022] [Accepted: 09/12/2022] [Indexed: 06/03/2023]
Abstract
Due to the increasing number of bacterial infections and the development of resistivity toward antibiotics, new materials and approaches for treatments must be urgently developed. The production of new materials should be ecologically friendly considering overall pollution with chemicals and economically acceptable and accessible to the wide population. Thus, the possibility of using biocompatible graphene quantum dots (GQDs) as an agent in photodynamic therapy was studied. First, dots were obtained using electrochemical cutting of graphite. In only one synthetic step using gamma irradiation, GQDs were doped with N atoms without any reagent. Obtained dots showed blue photoluminescence, with a diameter of 19-89 nm and optical band gap of 3.23-4.73 eV, featuring oxygen-containing, amino, and amide functional groups. Dots showed antioxidative activity; they quenched •OH at a concentration of 10 μg·mL-1, scavenged DPPH• radicals even at 5 μg·mL-1, and caused discoloration of KMnO4 at 30 μg·mL-1. Under light irradiation, dots were able to produce singlet oxygen, which remained stable for 10 min. Photoinduced effects by GQDs were studied on several bacterial strains (Listeria monocytogenes, Bacillus cereus, clinical strains of Streptococcus mutans, S. pyogenes, and S. sangunis, Pseudomonas aeruginosa, and one yeast strain Candida albicans) but antibacterial effects were not noticed.
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Affiliation(s)
- Svetlana Jovanovic
- Institute of Nuclear Sciences—National Institute of the Republic of Serbia, University of Belgrade, Mike Petrovica Alasa 12-14, 11000 Belgrade, Serbia
| | - Aurelio Bonasera
- Department of Physics and Chemistry, Emilio Segrè, University of Palermo, 90128 Palermo, Italy
- Consorzio Interuniversitario Nazionale per la Scienza e Tecnologia dei Materiali (INSTM), Palermo Research Unit, Viale delle Scienze, bldg. 17, 90128 Palermo, Italy
| | - Sladjana Dorontic
- Institute of Nuclear Sciences—National Institute of the Republic of Serbia, University of Belgrade, Mike Petrovica Alasa 12-14, 11000 Belgrade, Serbia
| | - Danica Zmejkoski
- Institute of Nuclear Sciences—National Institute of the Republic of Serbia, University of Belgrade, Mike Petrovica Alasa 12-14, 11000 Belgrade, Serbia
| | - Dusan Milivojevic
- Institute of Nuclear Sciences—National Institute of the Republic of Serbia, University of Belgrade, Mike Petrovica Alasa 12-14, 11000 Belgrade, Serbia
| | - Tamara Janakiev
- Faculty of Biology, University of Belgrade, Studentski Trg 16, 11158 Belgrade, Serbia
| | - Biljana Todorovic Markovic
- Institute of Nuclear Sciences—National Institute of the Republic of Serbia, University of Belgrade, Mike Petrovica Alasa 12-14, 11000 Belgrade, Serbia
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17
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Tamtaji M, Kazemeini M. Utilizing graphene oxide/gold/methylene blue ternary nanocomposite as a visible light photocatalyst for a plasmon-enhanced singlet oxygen generation. REACTION KINETICS MECHANISMS AND CATALYSIS 2022. [DOI: 10.1007/s11144-022-02271-1] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/16/2022]
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18
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Wu X, Xu M, Wang S, Abbas K, Huang X, Zhang R, Tedesco AC, Bi H. F,N-Doped carbon dots as efficient Type I photosensitizers for photodynamic therapy. Dalton Trans 2022; 51:2296-2303. [PMID: 35040834 DOI: 10.1039/d1dt03788a] [Citation(s) in RCA: 25] [Impact Index Per Article: 12.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Photodynamic therapy (PDT) is a promising and emerging method for the treatment of cancer. Usually, Type II PDT is used in the clinic, and mainly involves three key elements: a photosensitizer, molecular oxygen and laser light. However, it is known that tumor tissue is deficient in oxygen molecules which is why Type I PDT is mostly preferred in the therapy of tumors in which the hypoxic tissue plays a major role. Fluorescent carbon dots (CDs) have shown great potential in cancer theranostics, acting as bioimaging agents and photosensitizers. Herein, we have synthesized novel kinds of fluorine and nitrogen co-doped carbon dots (F,NCDs) that emit bright green fluorescence under ultra-violet light. The F,NCDs have excellent water solubility and low cytotoxicity. They can generate hydroxyl radicals (˙OH) and superoxide anions (˙O2-) under LED light (400-500 nm, 15 mW cm-2) irradiation, making them ideal photosensitizers for Type I PDT. Furthermore, upon using the HepG2 cell line as an in vitro model, the F,NCDs exhibit a better cell imaging effect and higher PDT efficiency than the control sample of CDs without F and N doping. This work has illustrated that the F,NCDs are promising in achieving the image-guided PDT of cancers, usually in a hypoxia tumor microenvironment.
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Affiliation(s)
- Xiaoyan Wu
- School of Chemistry and Chemical Engineering, Anhui University, Hefei 230601, China.
| | - Mingsheng Xu
- School of Chemistry and Chemical Engineering, Anhui University, Hefei 230601, China.
| | - Shuna Wang
- School of Chemistry and Chemical Engineering, Anhui University, Hefei 230601, China.
| | - Khurram Abbas
- School of Chemistry and Chemical Engineering, Anhui University, Hefei 230601, China.
| | - Xin Huang
- Department of Thoracic Surgery, First Affiliated Hospital of Anhui Medical University, Hefei 230032, China
| | - Renquan Zhang
- Department of Thoracic Surgery, First Affiliated Hospital of Anhui Medical University, Hefei 230032, China
| | - Antonio Claudio Tedesco
- School of Chemistry and Chemical Engineering, Anhui University, Hefei 230601, China.
- Department of Chemistry, Center of Nanotechnology and Tissue Engineering-Photobiology and Photomedicine Research Group, Faculty of Philosophy, Sciences and Letters of Ribeirão Preto, University of São Paulo, Ribeirão Preto, São Paulo 14040-901, Brazil
| | - Hong Bi
- School of Chemistry and Chemical Engineering, Anhui University, Hefei 230601, China.
- School of Materials Science and Engineering, Anhui University, Hefei 230601, China
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19
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Pourhajibagher M, Pourakbari B, Bahador A. Contribution of antimicrobial photo-sonodynamic therapy in wound healing: an in vivo effect of curcumin-nisin-based poly (L-lactic acid) nanoparticle on Acinetobacter baumannii biofilms. BMC Microbiol 2022; 22:28. [PMID: 35039005 PMCID: PMC8762960 DOI: 10.1186/s12866-022-02438-9] [Citation(s) in RCA: 27] [Impact Index Per Article: 13.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2021] [Accepted: 01/07/2022] [Indexed: 01/01/2023] Open
Abstract
BACKGROUND The biofilm-forming ability of Acinetobacter baumannii in the burn wound is clinically problematic due to the development of antibiotic-resistant characteristics, leading to new approaches for treatment being needed. In this study, antimicrobial photo-sonodynamic therapy (aPSDT) was used to assess the anti-biofilm efficacy and wound healing activity in mice with established A. baumannii infections. METHODS Following synthesis and confirmation of Curcumin-Nisin-based poly (L-lactic acid) nanoparticle (CurNisNp), its cytotoxic and release times were evaluated. After determination of the sub-significant reduction (SSR) doses of CurNisNp, irradiation time of light, and ultrasound intensity against A. baumannii, anti-biofilm activity and the intracellular reactive oxygen species (ROS) generation were evaluated. The antibacterial and anti-virulence effects, as well as, histopathological examination of the burn wound sites of treated mice by CurNisNp-mediated aPSDTSSR were assessed and compared with silver sulfadiazine (SSD) as the standard treatment group. RESULTS The results showed that non-cytotoxic CurNisNp has a homogeneous surface and a sphere-shaped vesicle with continuous release until the 14th day. The dose-dependent reduction in cell viability of A. baumannii was achieved by increasing the concentrations of CurNisNp, irradiation time of light, and ultrasound intensity. There was a time-dependent reduction in biofilm growth, changes in gene expression, and promotion in wound healing by the acceleration of skin re-epithelialization in mice. Not only there was no significant difference between aPSDTSSR and SSD groups in antibacterial and anti-virulence activities, but also wound healing and re-epithelialization occurred more efficiently in aPSDTSSR than in the SSD group. CONCLUSIONS In conclusion, CurNisNp-mediated aPSDT might be a promising complementary approach to treat burn wound infections.
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Affiliation(s)
- Maryam Pourhajibagher
- Dental Research Center, Dentistry Research Institute, Tehran University of Medical Sciences, Tehran, Iran
| | - Babak Pourakbari
- Pediatric Infectious Disease Research Center, Tehran University of Medical Sciences, Tehran, Iran
- Pediatrics Center of Excellence, Children's Medical Center, Tehran University of Medical Sciences, Tehran, Iran
| | - Abbas Bahador
- Department of Microbiology, School of Medicine, Tehran University of Medical Sciences, Tehran, Iran.
- Fellowship in Clinical Laboratory Sciences, BioHealth Lab, Tehran, Iran.
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20
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Younis MR, He G, Qu J, Lin J, Huang P, Xia X. Inorganic Nanomaterials with Intrinsic Singlet Oxygen Generation for Photodynamic Therapy. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2021; 8:e2102587. [PMID: 34561971 PMCID: PMC8564446 DOI: 10.1002/advs.202102587] [Citation(s) in RCA: 46] [Impact Index Per Article: 15.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/21/2021] [Revised: 08/22/2021] [Indexed: 05/07/2023]
Abstract
Inorganic nanomaterials with intrinsic singlet oxygen (1 O2 ) generation capacity, are emerged yet dynamically developing materials as nano-photosensitizers (NPSs) for photodynamic therapy (PDT). Compared to previously reported nanomaterials that have been used as either carriers to load organic PSs or energy donors to excite the attached organic PSs through a Foster resonance energy transfer process, these NPSs possess intrinsic 1 O2 generation capacity with extremely high 1 O2 quantum yield (e.g., 1.56, 1.3, 1.26, and 1.09) than any classical organic PS reported to date, and thus are facilitating to make a revolution in PDT. In this review, the recent advances in the development of various inorganic nanomaterials as NPSs, including metal-based (gold, silver, and tungsten), metal oxide-based (titanium dioxide, tungsten oxide, and bismuth oxyhalide), metal sulfide-based (copper and molybdenum sulfide), carbon-based (graphene, fullerene, and graphitic carbon nitride), phosphorus-based, and others (hybrids and MXenes-based NPSs) are summarized, with an emphasis on the design principle and 1 O2 generation mechanism, and the photodynamic therapeutic performance against different types of cancers. Finally, the current challenges and an outlook of future research are also discussed. This review may provide a comprehensive account capable of explaining recent progress as well as future research of this emerging paradigm.
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Affiliation(s)
- Muhammad Rizwan Younis
- Marshall Laboratory of Biomedical EngineeringInternational Cancer CenterLaboratory of Evolutionary Theranostics (LET)School of Biomedical EngineeringShenzhen University Health Science CenterShenzhen518060China
- Key Laboratory of Optoelectronic Devices and Systems of Ministry of Education and Guangdong ProvinceCollege of Optoelectronic EngineeringShenzhen UniversityShenzhen518060China
- State Key Laboratory of Analytical Chemistry for Life Science and Collaborative Innovation Center of Chemistry for Life SciencesSchool of Chemistry and Chemical EngineeringNanjing UniversityNanjing210093P.R. China
| | - Gang He
- Marshall Laboratory of Biomedical EngineeringInternational Cancer CenterLaboratory of Evolutionary Theranostics (LET)School of Biomedical EngineeringShenzhen University Health Science CenterShenzhen518060China
| | - Junle Qu
- Key Laboratory of Optoelectronic Devices and Systems of Ministry of Education and Guangdong ProvinceCollege of Optoelectronic EngineeringShenzhen UniversityShenzhen518060China
| | - Jing Lin
- Marshall Laboratory of Biomedical EngineeringInternational Cancer CenterLaboratory of Evolutionary Theranostics (LET)School of Biomedical EngineeringShenzhen University Health Science CenterShenzhen518060China
| | - Peng Huang
- Marshall Laboratory of Biomedical EngineeringInternational Cancer CenterLaboratory of Evolutionary Theranostics (LET)School of Biomedical EngineeringShenzhen University Health Science CenterShenzhen518060China
| | - Xing‐Hua Xia
- State Key Laboratory of Analytical Chemistry for Life Science and Collaborative Innovation Center of Chemistry for Life SciencesSchool of Chemistry and Chemical EngineeringNanjing UniversityNanjing210093P.R. China
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21
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Li D, Ushakova EV, Rogach AL, Qu S. Optical Properties of Carbon Dots in the Deep-Red to Near-Infrared Region Are Attractive for Biomedical Applications. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2021; 17:e2102325. [PMID: 34365728 DOI: 10.1002/smll.202102325] [Citation(s) in RCA: 55] [Impact Index Per Article: 18.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/21/2021] [Revised: 06/07/2021] [Indexed: 05/02/2023]
Abstract
Carbon dots (CDs) represent a recently emerged class of luminescent materials with a great potential for biomedical theranostics, and there are a lot of efforts to shift their absorption and emission toward deep-red (DR) to near-infrared (NIR) region falling in the biological transparency window. This review offers comprehensive insights into the synthesis strategies aimed to achieve this goal, and the current approaches of modulating the optical properties of CDs over the DR to NIR region. The underlying mechanisms of their absorption, photoluminescence, and chemiluminescence, as well as the related photophysical processes of photothermal conversion and formation of reactive oxygen species are considered. The already available biomedical applications of CDs, such as in the photoacoustic imaging and photothermal therapy, photodynamic therapy, and their use as bioimaging agents and drug carriers are then shortly summarized.
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Affiliation(s)
- Di Li
- Key Laboratory of Automobile Materials, Ministry of Education, College of Materials Science and Engineering, Jilin University, Changchun, 130012, P. R. China
| | - Elena V Ushakova
- Center of Information Optical Technologies, ITMO University, Saint Petersburg, 197101, Russia
| | - Andrey L Rogach
- Department of Materials Science and Engineering, and Centre for Functional Photonics (CFP), City University of Hong Kong, Hong Kong SAR, 999077, P. R. China
- Shenzhen Research Institute, City University of Hong Kong, Shenzhen, 518057, P. R. China
| | - Songnan Qu
- Joint Key Laboratory of the Ministry of Education, Institute of Applied Physics and Materials Engineering, University of Macau, Avenida da Universidade, Taipa, Macau SAR, 999078, P. R. China
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22
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Milenković M, Mišović A, Jovanović D, Popović Bijelić A, Ciasca G, Romanò S, Bonasera A, Mojsin M, Pejić J, Stevanović M, Jovanović S. Facile Synthesis of L-Cysteine Functionalized Graphene Quantum Dots as a Bioimaging and Photosensitive Agent. NANOMATERIALS (BASEL, SWITZERLAND) 2021; 11:1879. [PMID: 34443709 PMCID: PMC8401491 DOI: 10.3390/nano11081879] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/16/2021] [Revised: 07/15/2021] [Accepted: 07/17/2021] [Indexed: 01/12/2023]
Abstract
Nowadays, a larger number of aggressive and corrosive chemical reagents as well as toxic solvents are used to achieve structural modification and cleaning of the final products. These lead to the production of residual, waste chemicals, which are often reactive, cancerogenic, and toxic to the environment. This study shows a new approach to the modification of graphene quantum dots (GQDs) using gamma irradiation where the usage of reagents was avoided. We achieved the incorporation of S and N atoms in the GQD structure by selecting an aqueous solution of L-cysteine as an irradiation medium. GQDs were exposed to gamma-irradiation at doses of 25, 50 and 200 kGy. After irradiation, the optical, structural, and morphological properties, as well as the possibility of their use as an agent in bioimaging and photodynamic therapy, were studied. We measured an enhanced quantum yield of photoluminescence with the highest dose of 25 kGy (21.60%). Both S- and N-functional groups were detected in all gamma-irradiated GQDs: amino, amide, thiol, and thione. Spin trap electron paramagnetic resonance showed that GQDs irradiated with 25 kGy can generate singlet oxygen upon illumination. Bioimaging on HeLa cells showed the best visibility for cells treated with GQDs irradiated with 25 kGy, while cytotoxicity was not detected after treatment of HeLa cells with gamma-irradiated GQDs.
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Affiliation(s)
- Mila Milenković
- “Vinča” Institute of Nuclear Sciences—National Institute of the Republic of Serbia, University of Belgrade, P.O. Box 522, 11001 Belgrade, Serbia; (M.M.); (A.M.); (D.J.)
| | - Aleksandra Mišović
- “Vinča” Institute of Nuclear Sciences—National Institute of the Republic of Serbia, University of Belgrade, P.O. Box 522, 11001 Belgrade, Serbia; (M.M.); (A.M.); (D.J.)
| | - Dragana Jovanović
- “Vinča” Institute of Nuclear Sciences—National Institute of the Republic of Serbia, University of Belgrade, P.O. Box 522, 11001 Belgrade, Serbia; (M.M.); (A.M.); (D.J.)
| | - Ana Popović Bijelić
- Faculty of Physical Chemistry, University of Belgrade, P.O. Box 47, 11158 Belgrade, Serbia;
| | - Gabriele Ciasca
- Dipartimento di Neuroscienze, Sezione di Fisica, Università Cattolica del Sacro Cuore, 00168 Roma, Italy; (G.C.); (S.R.)
- Fondazione Policlinico Universitario A. Gemelli IRCCS, 00168 Roma, Italy
| | - Sabrina Romanò
- Dipartimento di Neuroscienze, Sezione di Fisica, Università Cattolica del Sacro Cuore, 00168 Roma, Italy; (G.C.); (S.R.)
- Fondazione Policlinico Universitario A. Gemelli IRCCS, 00168 Roma, Italy
| | - Aurelio Bonasera
- Department of Physics and Chemistry, Emilio Segrè, University of Palermo, 90128 Palermo, Italy;
- INSTM-Palermo Research Unit, Viale delle Scienze, bdg. 17, 90128 Palermo, Italy
| | - Marija Mojsin
- Institute of Molecular Genetics and Genetic Engineering, University of Belgrade, 152, 11042 Belgrade, Serbia; (M.M.); (J.P.); (M.S.)
| | - Jelena Pejić
- Institute of Molecular Genetics and Genetic Engineering, University of Belgrade, 152, 11042 Belgrade, Serbia; (M.M.); (J.P.); (M.S.)
| | - Milena Stevanović
- Institute of Molecular Genetics and Genetic Engineering, University of Belgrade, 152, 11042 Belgrade, Serbia; (M.M.); (J.P.); (M.S.)
- Faculty of Biology, University of Belgrade, Studentski trg 16, 11000 Belgrade, Serbia
- Serbian Academy of Sciences and Arts, Knez Mihailova 35, 11000 Belgrade, Serbia
| | - Svetlana Jovanović
- “Vinča” Institute of Nuclear Sciences—National Institute of the Republic of Serbia, University of Belgrade, P.O. Box 522, 11001 Belgrade, Serbia; (M.M.); (A.M.); (D.J.)
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23
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Torres D, Pérez-Rodríguez S, Sebastián D, Pinilla JL, Lázaro MJ, Suelves I. Capacitance Enhancement of Hydrothermally Reduced Graphene Oxide Nanofibers. NANOMATERIALS (BASEL, SWITZERLAND) 2020; 10:E1056. [PMID: 32486258 PMCID: PMC7352485 DOI: 10.3390/nano10061056] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/27/2020] [Revised: 05/07/2020] [Accepted: 05/09/2020] [Indexed: 11/16/2022]
Abstract
Nanocarbon materials present sp2-carbon domains skilled for electrochemical energy conversion or storage applications. In this work, we investigate graphene oxide nanofibers (GONFs) as a recent interesting carbon material class. This material combines the filamentous morphology of the starting carbon nanofibers (CNFs) and the interlayer spacing of graphene oxide, and exhibits a domain arrangement accessible for fast transport of electrons and ions. Reduced GONFs (RGONFs) present the partial removal of basal functional groups, resulting in higher mesoporosity, turbostratic stacking, and surface chemistry less restrictive for transport phenomena. Besides, the filament morphology minimizes the severe layer restacking shown in the reduction of conventional graphene oxide sheets. The influence of the reduction temperature (140-220 °C) on the electrochemical behaviour in aqueous 0.5 M H2SO4 of RGONFs is reported. RGONFs present an improved capacitance up to 16 times higher than GONFs, ascribed to the unique structure of RGONFs containing accessible turbostratic domains and restored electronic conductivity. Hydrothermal reduction at 140 °C results in the highest capacitance as evidenced by cyclic voltammetry and electrochemical impedance spectroscopy measurements (up to 137 F·g-1). Higher temperatures lead to the removal of sulphur groups and slightly thicker graphite domains, and consequently a decrease of the capacitance.
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Affiliation(s)
- Daniel Torres
- Instituto de Carboquímica, Consejo Superior de Investigaciones Científicas (CSIC), Miguel Luesma Castán 4, 50018 Zaragoza, Spain; (S.P.-R.); (D.S.); (J.L.P.); (M.J.L.); (I.S.)
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24
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Monte AFG, Azevedo G, Reis AF. Spatial energy transfer with observation of bimolecular singlet oxygen emission using quantum dots as donors and zinc-phthalocyanine as acceptors. LUMINESCENCE 2020; 35:667-672. [PMID: 31916376 DOI: 10.1002/bio.3771] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2019] [Revised: 12/09/2019] [Accepted: 12/20/2019] [Indexed: 11/08/2022]
Abstract
This study reports the influence of CdSe-ZnS core-shell quantum dots (QDs) for formation of singlet oxygen using zinc-phthalocyanine (ZnPc) dyes in colloidal solutions. Using a microluminescence surface scan technique it was possible to measure accurately the photon diffusion length, or photon mean free path, inside the medium. Analyses were performed for a range of QD concentrations. Photon diffusion length was assigned to the bimolecular singlet oxygen emission at 707 nm. Related singlet oxygen emission was predicted by observing quenching of the photon diffusion length measured at the specific oxygen emission as a function of QD concentration, being a nontrivial phenomenon related to the QD donors. Diffusion length measured at 707 nm increased with QD concentration; in the absence of QDs, as in pure ZnPc samples, the emission peak at 707 nm was not observed.
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Affiliation(s)
- Adamo F G Monte
- Laboratório de Imagem e Fotônica, Instituto de Física, Universidade Federal de Uberlândia, Uberlândia, MG, Brazil
| | - Guilherme Azevedo
- Departamento de Física, Universidade Federal do Triângulo, Uberaba, MG, Brazil
| | - Arnaldo F Reis
- Laboratório de Imagem e Fotônica, Instituto de Física, Universidade Federal de Uberlândia, Uberlândia, MG, Brazil
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25
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Li Z, Wang D, Xu M, Wang J, Hu X, Anwar S, Tedesco AC, Morais PC, Bi H. Fluorine-containing graphene quantum dots with a high singlet oxygen generation applied for photodynamic therapy. J Mater Chem B 2020; 8:2598-2606. [DOI: 10.1039/c9tb02529d] [Citation(s) in RCA: 41] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Compared with graphene quantum dots (GQDs), fluorine-containing GQDs (F-GQDs) present higher 1O2 generation under light irradiation and thus cause obvious toxicity to HepG2 cells. F-GQDs can be used as a photosensitizer for photodynamic therapy.
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Affiliation(s)
- Zhenzhen Li
- School of Chemistry and Chemical Engineering
- Anhui Key Laboratory of Modern Biomanufacturing
- Anhui University
- Hefei 230601
- China
| | - Dong Wang
- School of Chemistry and Chemical Engineering
- Anhui Key Laboratory of Modern Biomanufacturing
- Anhui University
- Hefei 230601
- China
| | - Mingsheng Xu
- School of Chemistry and Chemical Engineering
- Anhui Key Laboratory of Modern Biomanufacturing
- Anhui University
- Hefei 230601
- China
| | - Jingmin Wang
- School of Life Sciences
- Anhui University
- Hefei 230601
- P. R. China
| | - Xiaolong Hu
- School of Chemistry and Chemical Engineering
- Anhui Key Laboratory of Modern Biomanufacturing
- Anhui University
- Hefei 230601
- China
| | - Sadat Anwar
- School of Chemistry and Chemical Engineering
- Anhui Key Laboratory of Modern Biomanufacturing
- Anhui University
- Hefei 230601
- China
| | - Antonio Claudio Tedesco
- School of Chemistry and Chemical Engineering
- Anhui Key Laboratory of Modern Biomanufacturing
- Anhui University
- Hefei 230601
- China
| | - Paulo Cesar Morais
- Genomic Sciences and Biotechnology
- Catholic University of Brasília
- Brasília
- Brazil
- Institute of Physics
| | - Hong Bi
- School of Chemistry and Chemical Engineering
- Anhui Key Laboratory of Modern Biomanufacturing
- Anhui University
- Hefei 230601
- China
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26
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Huang G, Lin Y, Zhang L, Yan Z, Wang Y, Liu Y. Synthesis of Sulfur-Selenium Doped Carbon Quantum Dots for Biological Imaging and Scavenging Reactive Oxygen Species. Sci Rep 2019; 9:19651. [PMID: 31873130 PMCID: PMC6928214 DOI: 10.1038/s41598-019-55996-w] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2019] [Accepted: 11/13/2019] [Indexed: 12/21/2022] Open
Abstract
The sulfur-selenium doped carbon quantum dots (S,Se-CQDs) were synthesized by one-step through hydrothermal method in this study, which have high fluorescence quantum yield (43%) and advanced ability to scavenge reactive oxygen species (ROS). They were characterized by transmission electron microscope (TEM), nuclear magnetic resonance (NMR), X-ray photoelectron spectroscopy (XPS), fourier transform infrared spectroscopy (FTIR). The results showed that the clearance rate of free radical reached to 40% with 200 μg/mL of S,Se-CQDs. The antioxidant activity of S,Se-CQDs is related to -SH and Se-SH on carbon quantum dots. S,Se-CQDs were able to access to cells which is beneficial to enhance the removal efficiency to ROS. In the biocompatibility experiment, the cell survival rate exceeded 95%, there was little effect on hatching rate, survival rate and heart rate of zebrafish which demonstrated that S,Se-CQDs have an excellent biocompatibility. It prompts that S,Se-CQDs will has proud application prospects in the field of biomedicine.
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Affiliation(s)
- Guojie Huang
- College of Pharmacy, Guangdong Pharmaceutical University, Guangdong, China
| | - Yaqi Lin
- The First Affiliated Hospital of Guangdong Pharmaceutical University, Guangdong, China
| | - Linxiu Zhang
- School of Chemistry and Chemical Engineering,Guangdong Pharmaceutical University, Guangdong, China
| | - Zhihong Yan
- College of Pharmacy, Guangdong Pharmaceutical University, Guangdong, China.
| | - Yudong Wang
- The First Affiliated Hospital of Guangdong Pharmaceutical University, Guangdong, China.
| | - Yi Liu
- School of Chemistry and Chemical Engineering,Guangdong Pharmaceutical University, Guangdong, China
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27
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Jovanović SP, Syrgiannis Z, Budimir MD, Milivojević DD, Jovanovic DJ, Pavlović VB, Papan JM, Bartenwerfer M, Mojsin MM, Stevanović MJ, Todorović Marković BM. Graphene quantum dots as singlet oxygen producer or radical quencher - The matter of functionalization with urea/thiourea. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2019; 109:110539. [PMID: 32229000 DOI: 10.1016/j.msec.2019.110539] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/31/2019] [Revised: 09/14/2019] [Accepted: 12/10/2019] [Indexed: 01/04/2023]
Abstract
Due to their low cost and possible green synthesis, high stability and resistance to photobleaching, graphene quantum dots (GQDs) can be considered as one of the class of carbon nanomaterials which may have great potential as an agent for photosensitized oxygen activation. In such a way, GQDs can be used as a theranostic agent in photodynamic therapy. In this work pristine GQDs, GQDs irradiated with gamma rays and GQDs doped with N and N, S atoms are produced using a simple, green approach. By using different techniques (AFM, HR-TEM, SEM-EDS, FTIR, XRD, PL and UV-Vis) we investigated structural and optical properties of the new types of GQDs. We showed that GQDs functionalized with thiourea (GQDs-TU) completely lost the ability to produce singlet oxygen (1O2) upon photoexcitation while functionalization with urea (GQDs-U) improves the capability of GQDs to produce 1O2 upon the same conditions. Thus, presented GQDs modification with urea seems like a promising approach for the production of the efficient photosensitizer. On the opposite, GQDs-TU are efficient OH quencher. Due to high singlet oxygen production and low cytotoxicity below 100 μg/mL against HeLa cells, GQDs-U is a good candidate as an agent in photodynamic therapy at this concentration.
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Affiliation(s)
- Svetlana P Jovanović
- Vinča Institute of Nuclear Sciences, University of Belgrade, P. O. Box 522, 11001 Belgrade, Serbia.
| | - Zois Syrgiannis
- Center of Excellence for Nanostructured Materials (CENMAT) and INSTM, Unit of Trieste, Department of Chemical and Pharmaceutical Sciences, University of Trieste, Trieste, Italy
| | - Milica D Budimir
- Vinča Institute of Nuclear Sciences, University of Belgrade, P. O. Box 522, 11001 Belgrade, Serbia
| | - Dusan D Milivojević
- Vinča Institute of Nuclear Sciences, University of Belgrade, P. O. Box 522, 11001 Belgrade, Serbia
| | - Dragana J Jovanovic
- Vinča Institute of Nuclear Sciences, University of Belgrade, P. O. Box 522, 11001 Belgrade, Serbia
| | - Vladimir B Pavlović
- Faculty of Agriculture, University of Belgrade, P. O. Box 14, 11081 Belgrade-Zemun, Serbia
| | - Jelena M Papan
- Vinča Institute of Nuclear Sciences, University of Belgrade, P. O. Box 522, 11001 Belgrade, Serbia
| | - Malte Bartenwerfer
- Department of Computing Science, Division Microrobotics and Control Engineering, Univerzitet Carl von Ossietzky, D-26129 Oldenburg, Germany
| | - Marija M Mojsin
- Institute of Molecular Genetics and Genetic Engineering, University of Belgrade, P.O. Box 23, 11010 Belgrade, Serbia
| | - Milena J Stevanović
- Institute of Molecular Genetics and Genetic Engineering, University of Belgrade, P.O. Box 23, 11010 Belgrade, Serbia; Faculty of Biology, University of Belgrade, Studentskitrg 16, 11000 Belgrade, Serbia; Serbian Academy of Sciences and Arts, KnezMihailova 35, 11000 Belgrade, Serbia
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28
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Mandal S, Prasad SR, Mandal D, Das P. Bovine Serum Albumin Amplified Reactive Oxygen Species Generation from Anthrarufin-Derived Carbon Dot and Concomitant Nanoassembly for Combination Antibiotic-Photodynamic Therapy Application. ACS APPLIED MATERIALS & INTERFACES 2019; 11:33273-33284. [PMID: 31433943 DOI: 10.1021/acsami.9b12455] [Citation(s) in RCA: 33] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
Amplification of reactive oxygen species (ROS) generation through covalent conjugation of bovine serum albumin (BSA) with newly synthesized, ROS-producing carbon dots (CDs) upon visible light irradiation is reported for the first time. Derivatization of surface carboxyl functional groups of Anthrarufin-derived, green-emitting CD with the amine functionality of BSA ushers distinct changes in the photophysics of CD including an unprecedented ∼50 nm shift in its excitation maxima, decrease in fluorescence lifetime, and concomitant increase in ROS generation. Substantial conformational changes of BSA were witnessed upon conjugation with CD, rendering the BSA-CD conjugate resistant to pepsinolysis. A protease-proof nanoassembly was derived from the BSA-CD conjugate through desolvation that simultaneously hosts a prototype antibiotic and generates ROS with excellent efficiency, making it an attractive platform for antibacterial photodynamic therapy (A-PDT) applications. Systemic annihilation of both Gram-positive and -negative bacteria was achieved with the BSA-CD nanoassembly and envisioned as alternatives to traditional photosensitizers.
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Affiliation(s)
- Saptarshi Mandal
- Department of Chemistry , Indian Institute of Technology Patna , Patna , 801103 Bihar India
| | - Surendra Rajit Prasad
- Department of Biotechnology , National Institute of Pharmaceutical Education and Research (NIPER) , Hajipur , Bihar 844102 , India
| | - Debabrata Mandal
- Department of Biotechnology , National Institute of Pharmaceutical Education and Research (NIPER) , Hajipur , Bihar 844102 , India
| | - Prolay Das
- Department of Chemistry , Indian Institute of Technology Patna , Patna , 801103 Bihar India
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29
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Pourhajibagher M, Parker S, Chiniforush N, Bahador A. Photoexcitation triggering via semiconductor Graphene Quantum Dots by photochemical doping with Curcumin versus perio-pathogens mixed biofilms. Photodiagnosis Photodyn Ther 2019; 28:125-131. [PMID: 31479805 DOI: 10.1016/j.pdpdt.2019.08.025] [Citation(s) in RCA: 27] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2018] [Revised: 08/14/2019] [Accepted: 08/20/2019] [Indexed: 02/07/2023]
Abstract
BACKGROUND Recently, antimicrobial photodynamic therapy (aPDT) as an alternative treatment modality has been used adjunctively in the treatment of periodontitis and peri-implantitis. Photosensitizing agents in the form of nanoparticles have been designed for improving the efficiency of aPTD. Graphene quantum dots are a special type of nanocrystals that can promote aPDT when coupled with curcumin (Cur). The main objective of the present study was to investigate the effects of photoexcited GQD-Cur on the metabolic activity of perio-pathogen mixed biofilms. MATERIALS AND METHODS GQD-Cur was synthesized and characterized by scanning electron microscopy (SEM), dynamic light scattering (DLS), fourier transform infrared (FTIR) spectroscopy, ultraviolet-visible spectrometry (UV-Vis), and X-ray diffraction (XRD). The cell cytotoxicity effect of GQD-Cur was evaluated on primary human gingival fibroblast (HuGu) cells. Perio-pathogen mixed biofilms including Aggregatibacter actinomycetemcomitans, Porphyromonas gingivalis, and Prevotella intermedia photosensitized with GQD doped with Cur were irradiated with a blue LED at a wavelength of 435 ± 20 nm for 1 min, and then bacterial viability measurements were performed. The antimicrobial susceptibility profile, biofilm formation ability, amount of reactive oxygen species (ROS) released, and variations of gene expressions involved in biofilm formation were assessed. RESULTS The SEM, DLS, FTIR, UV-Vis spectrometry, and XRD pattern confirmed that GQD-Cur was synthesized successfully. According to the results, GQD-Cur exhibited no cytotoxicity against HuGu cells. Photoexcited GQD-Cur resulted in a significant reduction in cell viability (93%) and biofilm formation capacity (76%) of peri-pathogens compared to the control group (P < 0.05). According to the results, a significant concentration-dependent increase in the ROS generation was observed in perio-pathogens mixed cells treated with different doses of GQD-Cur-aPDT. Moreover, rcpA, fimA, and inpA gene expression profiles were downregulated by 8.1-, 9.6-, and 11.8-folds, respectively. CONCLUSIONS Based on the results, photoexcited GQD-Cur have a high potency of perio-pathogens suppression in planktonic and biofilm forms and downregulation of the biofilm genes expression pattern was exploited as a nanoscale-based platform for periodontitis.
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Affiliation(s)
- Maryam Pourhajibagher
- Dental Research Center, Dentistry Research Institute, Tehran University of Medical Sciences, Tehran, Iran
| | - Steven Parker
- Department of Surgical Sciences and Integrated Diagnostics, University of Genoa, Italy
| | - Nasim Chiniforush
- Laser Research Center of Dentistry, Dentistry Research Institute, Tehran University of Medical Sciences, Tehran, Iran
| | - Abbas Bahador
- Oral Microbiology Laboratory, Department of Medical Microbiology, School of Medicine, Tehran University of Medical Sciences, Tehran, Iran.
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30
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Monroe JD, Belekov E, Er AO, Smith ME. Anticancer Photodynamic Therapy Properties of Sulfur-Doped Graphene Quantum Dot and Methylene Blue Preparations in MCF-7 Breast Cancer Cell Culture. Photochem Photobiol 2019; 95:1473-1481. [PMID: 31230353 DOI: 10.1111/php.13136] [Citation(s) in RCA: 25] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2019] [Accepted: 06/11/2019] [Indexed: 12/24/2022]
Abstract
Photodynamic therapy (PDT) is a field with many applications including chemotherapy. Graphene quantum dots (GQDs) exhibit a variety of unique properties and can be used in PDT to generate singlet oxygen that destroys pathogenic bacteria and cancer cells. The PDT agent, methylene blue (MB), like GQDs, has been successfully exploited to destroy bacteria and cancer cells by increasing reactive oxygen species generation. Recently, combinations of GQDs and MB have been shown to destroy pathogenic bacteria via increased singlet oxygen generation. Here, we performed a spectrophotometric assay to detect and measure the uptake of GQDs, MB and several GQD-MB combinations in MCF-7 breast cancer cells. Then, we used a cell counting method to evaluate the cytotoxicity of GQDs, MB and a 1:1 GQD:MB preparation. Singlet oxygen generation in cells was then detected and measured using singlet oxygen sensor green. The dye, H2 DCFDA, was used to measure reactive oxygen species production. We found that GQD and MB uptake into MCF-7 cells occurred, but that MB, followed by 1:1 GQD:MB, caused superior cytotoxicity and singlet oxygen and reactive oxygen species generation. Our results suggest that methylene blue's effect against MCF-7 cells is not potentiated by GQDs, either in light or dark conditions.
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Affiliation(s)
- Jerry D Monroe
- Department of Biology, Western Kentucky University, Bowling Green, KY
| | - Ermek Belekov
- Department of Physics & Astronomy, Western Kentucky University, Bowling Green, KY
| | - Ali Oguz Er
- Department of Physics & Astronomy, Western Kentucky University, Bowling Green, KY
| | - Michael E Smith
- Department of Biology, Western Kentucky University, Bowling Green, KY
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31
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Sun S, Chen J, Jiang K, Tang Z, Wang Y, Li Z, Liu C, Wu A, Lin H. Ce6-Modified Carbon Dots for Multimodal-Imaging-Guided and Single-NIR-Laser-Triggered Photothermal/Photodynamic Synergistic Cancer Therapy by Reduced Irradiation Power. ACS APPLIED MATERIALS & INTERFACES 2019; 11:5791-5803. [PMID: 30648846 DOI: 10.1021/acsami.8b19042] [Citation(s) in RCA: 125] [Impact Index Per Article: 25.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/22/2023]
Abstract
Photomediated cancer therapy, mainly including photothermal (PT) therapy (PTT) and photodynamic therapy (PDT), has attracted tremendous attention in recent years thanks to its noninvasive and stimuli-responsive features. The single mode of PTT or PDT, however, has obvious drawbacks, either requiring high-power laser irradiation to generate enough heat or only providing limited efficacy due to the hypoxia nature inside tumors. In addition, the reported synergistic PTT/PDT generally utilized two excitation sources to separately activate PTT and PDT, and the problem of high-power laser irradiation for PTT was still not well solved. Herein, a new concept, loading a small amount of photosensitizers onto a PTT agent (both of them can be triggered by a single-near-infrared (NIR) laser), was proposed to evade the shortcomings of PTT and PDT. To validate this idea, minute quantities of photosensitizer chlorin e6 (Ce6) (0.56% of mass) were anchored onto amino-rich red emissive carbon dots (RCDs) that possess superior photothermal (PT) character under 671 nm NIR laser (PT conversion efficiency to be 46%), and meanwhile the PDT of Ce6 can be activated by this laser irradiation as well. The findings demonstrate that Ce6-modified RCDs (named Ce6-RCDs) offer much higher cancer therapy efficacy under a reduced laser power density (i.e., 0.50 W cm-2 at 671 nm) in vitro and in vivo than the equivalent RCDs or Ce6 under the same irradiation conditions. Besides, the Ce6-RCDs also exhibit multimodal imaging capabilities (i.e., fluorescence (FL), photoacoustic (PA), and PT), which can be employed for guidance of the phototherapy process. This study suggests not only a strategy to enhance cancer phototherapy efficacy but also a promising candidate (i.e., Ce6-RCDs) for multimodal FL/PA/PT imaging-guided and single-NIR-laser-triggered synergistic PTT/PDT for cancers by a reduced irradiation power.
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Affiliation(s)
- Shan Sun
- Key Laboratory of Graphene Technologies and Applications of Zhejiang Province , Ningbo Institute of Materials Technology & Engineering, Chinese Academy of Sciences , Ningbo 315201 , P. R. China
- University of Chinese Academy of Sciences , Beijing 100049 , P. R. China
| | - Jingqin Chen
- Institute of Biomedical and Health Engineering , Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences , Shenzhen 518055 , P. R. China
| | - Kai Jiang
- Key Laboratory of Graphene Technologies and Applications of Zhejiang Province , Ningbo Institute of Materials Technology & Engineering, Chinese Academy of Sciences , Ningbo 315201 , P. R. China
| | - Zhongdi Tang
- Key Laboratory of Graphene Technologies and Applications of Zhejiang Province , Ningbo Institute of Materials Technology & Engineering, Chinese Academy of Sciences , Ningbo 315201 , P. R. China
| | - Yuhui Wang
- Key Laboratory of Graphene Technologies and Applications of Zhejiang Province , Ningbo Institute of Materials Technology & Engineering, Chinese Academy of Sciences , Ningbo 315201 , P. R. China
| | - Zhongjun Li
- College of Chemistry and Molecular Engineering , Zhengzhou University , Zhengzhou 45001 , P. R. China
| | - Chengbo Liu
- Institute of Biomedical and Health Engineering , Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences , Shenzhen 518055 , P. R. China
| | - Aiguo Wu
- Key Laboratory of Graphene Technologies and Applications of Zhejiang Province , Ningbo Institute of Materials Technology & Engineering, Chinese Academy of Sciences , Ningbo 315201 , P. R. China
| | - Hengwei Lin
- Key Laboratory of Graphene Technologies and Applications of Zhejiang Province , Ningbo Institute of Materials Technology & Engineering, Chinese Academy of Sciences , Ningbo 315201 , P. R. China
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32
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Cassidy A, Pedersen S, Bluhm H, Calisti V, Angot T, Salomon E, Bisson R, Hornekær L. Patterned formation of enolate functional groups on the graphene basal plane. Phys Chem Chem Phys 2018; 20:28370-28374. [DOI: 10.1039/c8cp05730c] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
O atoms selectivley bind at one type of site on the graphene basal plane, creating a long-range patterned distribution of graphene oxide nano-islands.
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Affiliation(s)
- Andrew Cassidy
- Department of Physics and Astronomy
- Aarhus University
- Denmark
| | - Stine Pedersen
- Department of Physics and Astronomy
- Aarhus University
- Denmark
| | - Hendrik Bluhm
- Chemical Sciences Division
- Lawrence Berkeley National Lab
- Berkeley
- USA
| | | | | | | | | | - Liv Hornekær
- Department of Physics and Astronomy
- Aarhus University
- Denmark
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