51
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Fernandes D, Heslop K, Kelarakis A, Krysmann M, Estevez L. In situ generation of carbon dots within a polymer matrix. POLYMER 2020. [DOI: 10.1016/j.polymer.2020.122159] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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52
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Synthesis and antiproliferative activity of new hybrids bearing neocryptolepine, acridine and α-aminophosphonate scaffolds. JOURNAL OF THE IRANIAN CHEMICAL SOCIETY 2020. [DOI: 10.1007/s13738-019-01849-2] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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53
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Yang W, Zhang G, Ni J, Lin Z. Metal-enhanced fluorometric formaldehyde assay based on the use of in-situ grown silver nanoparticles on silica-encapsulated carbon dots. Mikrochim Acta 2020; 187:137. [DOI: 10.1007/s00604-019-4105-2] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2019] [Accepted: 12/30/2019] [Indexed: 10/25/2022]
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54
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Radwan MAA, Alminderej FM, Awad HM. One-Pot Multicomponent Synthesis and Cytotoxic Evaluation of Novel 7-Substituted-5-(1 H-Indol-3-yl)Tetrazolo[1,5-a] Pyrimidine-6-Carbonitrile. Molecules 2020; 25:molecules25020255. [PMID: 31936309 PMCID: PMC7024365 DOI: 10.3390/molecules25020255] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2019] [Revised: 12/30/2019] [Accepted: 01/06/2020] [Indexed: 12/24/2022] Open
Abstract
A series of novel 7-substituted-5-(1H-indol-3-yl)tetrazolo[1,5-a]pyrimidine-6-carbonitrile was synthesized via a one-pot, three-multicomponent reaction of appropriate aldehydes, 1H-tetrazole-5-amine and 3-cyanoacetyl indole in catalytic triethylamine. The cytotoxic activity of the new synthesized tetrazolopyrimidine-6-carbonitrile compounds was investigated against HCT-116, MCF-7, MDA-MB-231, A549 human cancer cell lines and one human healthy normal cell line (RPE-1) using the MTT cytotoxicity assay. Compounds 4h, 4b, 4c, 4i and 4a showed potent anticancer activities against human colon cancer. Additionally, all the compounds showed potent anticancer activities on human lung cancer.
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Affiliation(s)
- Mohamed A A Radwan
- Department of Chemistry, College of Science, Qassim University, Buraydah 51452, Saudi Arabia
- Department of Applied Organic Chemistry, National Research Center, Dokki 12622, Egypt
| | - Fahad M Alminderej
- Department of Chemistry, College of Science, Qassim University, Buraydah 51452, Saudi Arabia
| | - Hanem M Awad
- Tanning Materials and Leather Technology Department, National Research Centre, El-Behouth St, Dokki, Cairo 12311, Egypt
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55
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Erimban S, Daschakraborty S. Translocation of a hydroxyl functionalized carbon dot across a lipid bilayer: an all-atom molecular dynamics simulation study. Phys Chem Chem Phys 2020; 22:6335-6350. [DOI: 10.1039/c9cp05999g] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Passive permeation of CD across lipid bilayer is almost impossible. Forced permeation results membrane rupture.
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Affiliation(s)
- Shakkira Erimban
- Department of Chemistry
- Indian Institute of Technology Patna
- Bihar 801106
- India
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56
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Synthesis and characterization of biocompatible hydrogel based on hydroxyethyl cellulose-g-poly(hydroxyethyl methacrylate). Polym Bull (Berl) 2019. [DOI: 10.1007/s00289-019-02962-1] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
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57
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Mohamed AA, Sadeek SA, Abd El-Hamid SM, Zordok WA, Awad HM. Mixed-ligand complexes of tenoxicam drug with some transition metal ions in presence of 2,2′-bipyridine: Synthesis, spectroscopic characterization, thermal analysis, density functional theory and in vitro cytotoxic activity. J Mol Struct 2019. [DOI: 10.1016/j.molstruc.2019.07.095] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
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58
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Alminderej FM, Elganzory HH, El-Bayaa MN, Awad HM, El-Sayed WA. Synthesis and Cytotoxic Activity of New 1,3,4-Thiadiazole Thioglycosides and 1,2,3-Triazolyl-1,3,4-Thiadiazole N-glycosides. Molecules 2019; 24:molecules24203738. [PMID: 31623291 PMCID: PMC6832760 DOI: 10.3390/molecules24203738] [Citation(s) in RCA: 25] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2019] [Revised: 10/12/2019] [Accepted: 10/15/2019] [Indexed: 11/21/2022] Open
Abstract
New 1,3,4-thiadiazole thioglycosides linked to substituted arylidine systems were synthesized via glycosylation of the prepared 1,3,4-thiadiazole thiol compounds. Click strategy was also used for the synthesis of new 1,3,4-thiadiazole and 1,2,3-triazole hybrid glycosides by reaction of the acetylenic derivatives with different glycosyl azids followed by deacetylation process. The cytotoxic activities of the prepared compounds were studied against HCT-116 (human colorectal carcinoma) and MCF-7 (human breast adenocarcinoma) cell lines using the MTT assay. The results showed that the key thiadiazolethione compounds 2 and 3, the triazole glycosides linked to p-methoxyarylidine derivatives 14 and 15 in addition to the free hydroxyl glycoside 20 were found potent in activity comparable to the reference drug doxorubicin against MCF-7 human cancer cells. The acetylenic derivative 2 and glycoside 20 were also found highly active against HCT-116 cell lines.
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Affiliation(s)
- Fahad M Alminderej
- Chemistry Department, Faculty of Science, Qassim University, Buraidah 51452, Saudi Arabia.
| | - Hussein H Elganzory
- Chemistry Department, Faculty of Science, Qassim University, Buraidah 51452, Saudi Arabia.
| | - Mohamed N El-Bayaa
- Photochemistry Department, National Research Centre, Cairo 12311, Egypt.
| | - Hanem M Awad
- Tanning Materials and Leather Technology Department, National Research Centre, El-Behouth St, Dokki, Cairo 12311, Egypt.
| | - Wael A El-Sayed
- Chemistry Department, Faculty of Science, Qassim University, Buraidah 51452, Saudi Arabia.
- Photochemistry Department, National Research Centre, Cairo 12311, Egypt.
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59
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Marković ZM, Jovanović SP, Mašković PZ, Mojsin MM, Stevanović MJ, Danko M, Mičušík M, Jovanović DJ, Kleinová A, Špitalský Z, Pavlović VB, Todorović Marković BM. Graphene oxide size and structure pro-oxidant and antioxidant activity and photoinduced cytotoxicity relation on three cancer cell lines. JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY B-BIOLOGY 2019; 200:111647. [PMID: 31648133 DOI: 10.1016/j.jphotobiol.2019.111647] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/12/2019] [Revised: 09/17/2019] [Accepted: 10/06/2019] [Indexed: 10/25/2022]
Abstract
Photoactive materials called photosensitizers can be used for treatment of different types of cancer in combination with light source. In this paper, we have investigated pro-oxidant and antioxidant potentials of four graphene based nanomaterials (graphene oxide-GO, graphene quantum dots-GQDs, carbon quantum dots-CQDs and N-doped carbon quantum dots-N-CQDs) depending on the presence/absence of visible light source. Structural and optical properties of these materials and their potentials for reactive oxygen species generation/quenching are investigated by applying different microscopy and spectroscopy techniques (transmission electron microscopy, FTIR, UV-Vis, photoluminescence, electron paramagnetic resonance). Results show that all types of quantum dots has pro-oxidant and antioxidant potentials whereas GO demonstrated only moderate antioxidant effect. The best free radical scavenger is CQDs sample in the absence of light. CQDs are the best singlet oxygen generator under blue light irradiation as well. To check photo-cytotoxicity of these materials, photo-cytotoxic concentrations of the GO, GQDs, CQDs and N-CQDs were determined for three cellular lines: human rhabdomyosarcoma (RD), cell line derived from human cervix carcinoma Hep2c (HeLa) and fibroblast cell line from murine (L2OB). Cytotoxicity test has indicated that all samples are much less photocytotoxic than cis-diamminedichloroplatinum (cis-DPP). The production method and doping of quantum dots affect the photodynamic activity of tested samples very much.
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Affiliation(s)
- Zoran M Marković
- Vinča Institute of Nuclear Sciences, University of Belgrade, P.O.B. 522, 11001 Belgrade, Serbia.
| | - Svetlana P Jovanović
- Vinča Institute of Nuclear Sciences, University of Belgrade, P.O.B. 522, 11001 Belgrade, Serbia
| | - Pavle Z Mašković
- The Faculty of Agronomy Čačak, University of Kragujevac, Cara Dušana 34, 32000 Čačak, Serbia
| | - 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; University of Belgrade, Faculty of Biology, Studentski trg 16, 11000 Belgrade, Serbia; Serbian Academy of Sciences and Arts, Knez Mihailova 35, 11000 Belgrade, Serbia
| | - Martin Danko
- Polymer Institute, Slovak Academy of Sciences, Dubravska cestá 9, 84541 Bratislava, Slovakia
| | - Matej Mičušík
- Polymer Institute, Slovak Academy of Sciences, Dubravska cestá 9, 84541 Bratislava, Slovakia
| | - Dragana J Jovanović
- Vinča Institute of Nuclear Sciences, University of Belgrade, P.O.B. 522, 11001 Belgrade, Serbia
| | - Angela Kleinová
- Polymer Institute, Slovak Academy of Sciences, Dubravska cestá 9, 84541 Bratislava, Slovakia
| | - Zdeno Špitalský
- Polymer Institute, Slovak Academy of Sciences, Dubravska cestá 9, 84541 Bratislava, Slovakia
| | - Vladimir B Pavlović
- Faculty of Agriculture, Department of Agricultural Engineering, University of Belgrade, Nemanjina 6, Zemun 11080, Serbia
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60
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Ahn J, Song Y, Kwon JE, Lee SH, Park KS, Kim S, Woo J, Kim H. Food waste-driven N-doped carbon dots: Applications for Fe3+ sensing and cell imaging. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2019; 102:106-112. [DOI: 10.1016/j.msec.2019.04.019] [Citation(s) in RCA: 59] [Impact Index Per Article: 11.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/01/2019] [Revised: 04/08/2019] [Accepted: 04/08/2019] [Indexed: 11/16/2022]
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61
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Raja IS, Song SJ, Kang MS, Lee YB, Kim B, Hong SW, Jeong SJ, Lee JC, Han DW. Toxicity of Zero- and One-Dimensional Carbon Nanomaterials. NANOMATERIALS (BASEL, SWITZERLAND) 2019; 9:E1214. [PMID: 31466309 PMCID: PMC6780407 DOI: 10.3390/nano9091214] [Citation(s) in RCA: 40] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/05/2019] [Revised: 08/23/2019] [Accepted: 08/23/2019] [Indexed: 12/14/2022]
Abstract
The zero (0-D) and one-dimensional (1-D) carbon nanomaterials have gained attention among researchers because they exhibit a larger surface area to volume ratio, and a smaller size. Furthermore, carbon is ubiquitously present in all living organisms. However, toxicity is a major concern while utilizing carbon nanomaterials for biomedical applications such as drug delivery, biosensing, and tissue regeneration. In the present review, we have summarized some of the recent findings of cellular and animal level toxicity studies of 0-D (carbon quantum dot, graphene quantum dot, nanodiamond, and carbon black) and 1-D (single-walled and multi-walled carbon nanotubes) carbon nanomaterials. The in vitro toxicity of carbon nanomaterials was exemplified in normal and cancer cell lines including fibroblasts, osteoblasts, macrophages, epithelial and endothelial cells of different sources. Similarly, the in vivo studies were illustrated in several animal species such as rats, mice, zebrafish, planktons and, guinea pigs, at various concentrations, route of administrations and exposure of nanoparticles. In addition, we have described the unique properties and commercial usage, as well as the similarities and differences among the nanoparticles. The aim of the current review is not only to signify the importance of studying the toxicity of 0-D and 1-D carbon nanomaterials, but also to emphasize the perspectives, future challenges and possible directions in the field.
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Affiliation(s)
| | - Su-Jin Song
- Department of Cogno-Mechatronics Engineering, College of Nanoscience & Nanotechnology, Pusan National University, Busan 46241, Korea
| | - Moon Sung Kang
- Department of Cogno-Mechatronics Engineering, College of Nanoscience & Nanotechnology, Pusan National University, Busan 46241, Korea
| | - Yu Bin Lee
- Department of Cogno-Mechatronics Engineering, College of Nanoscience & Nanotechnology, Pusan National University, Busan 46241, Korea
| | - Bongju Kim
- Dental Life Science Research Institute & Clinical Translational Research Center for Dental Science, Seoul National University Dental Hospital, Seoul 03080, Korea
| | - Suck Won Hong
- Department of Cogno-Mechatronics Engineering, College of Nanoscience & Nanotechnology, Pusan National University, Busan 46241, Korea
| | - Seung Jo Jeong
- GS Medical Co., Ltd., Cheongju-si, Chungcheongbuk-do 28161, Korea
| | - Jae-Chang Lee
- Bio-Based Chemistry Research Center, Korea Research Institute of Chemical Technology, Ulsan 44429, Korea.
| | - Dong-Wook Han
- Department of Cogno-Mechatronics Engineering, College of Nanoscience & Nanotechnology, Pusan National University, Busan 46241, Korea.
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62
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Supchocksoonthorn P, Thongsai N, Moonmuang H, Kladsomboon S, Jaiyong P, Paoprasert P. Label-free carbon dots from black sesame seeds for real-time detection of ammonia vapor via optical electronic nose and density functional theory calculation. Colloids Surf A Physicochem Eng Asp 2019. [DOI: 10.1016/j.colsurfa.2019.04.087] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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63
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Fan J, Claudel M, Ronzani C, Arezki Y, Lebeau L, Pons F. Physicochemical characteristics that affect carbon dot safety: Lessons from a comprehensive study on a nanoparticle library. Int J Pharm 2019; 569:118521. [PMID: 31323371 DOI: 10.1016/j.ijpharm.2019.118521] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2019] [Revised: 07/11/2019] [Accepted: 07/12/2019] [Indexed: 11/16/2022]
Abstract
Carbon dots (CDs) are emerging nanomaterial in medicine and pharmacy. To explore the impact of physicochemical characteristics on their safety, we synthesized a library of 35 CDs exhibiting different size, charge, chemical composition and surface coating, using various starting materials (carbon source and passivation reagent) and carbonization procedures. The 35 CDs triggered different levels of viability loss when incubated with human macrophages at 3-200 µg/mL for 24 h. The smaller NPs (10-20 nm) were more toxic that larger ones (40-100 nm), whereas NPs that aggregated in culture medium were more toxic than dispersed ones. A positive correlation was found between CD charge or nitrogen content and toxicity. Furthermore, a greater toxicity was observed for CDs prepared from high molecular weight polyamines, suggesting a role of the CD global density of positive charges, rather than the charge at the CD surface, in the CD toxicity. At last, PEG decoration decreased the toxicity of cationic NPs. In conclusion, the size, aggregation in culture medium, charge, nitrogen content, nature of the passivation agent and synthesis procedure were found to influence CD toxicity, making it difficult to predict CD safety from a single characteristic.
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Affiliation(s)
- Jiahui Fan
- Laboratoire de Conception et Application de Molécules Bioactives, UMR 7199, CNRS-Université de Strasbourg, Faculté de Pharmacie, Illkirch, France
| | - Mickaël Claudel
- Laboratoire de Conception et Application de Molécules Bioactives, UMR 7199, CNRS-Université de Strasbourg, Faculté de Pharmacie, Illkirch, France
| | - Carole Ronzani
- Laboratoire de Conception et Application de Molécules Bioactives, UMR 7199, CNRS-Université de Strasbourg, Faculté de Pharmacie, Illkirch, France
| | - Yasmin Arezki
- Laboratoire de Conception et Application de Molécules Bioactives, UMR 7199, CNRS-Université de Strasbourg, Faculté de Pharmacie, Illkirch, France
| | - Luc Lebeau
- Laboratoire de Conception et Application de Molécules Bioactives, UMR 7199, CNRS-Université de Strasbourg, Faculté de Pharmacie, Illkirch, France
| | - Françoise Pons
- Laboratoire de Conception et Application de Molécules Bioactives, UMR 7199, CNRS-Université de Strasbourg, Faculté de Pharmacie, Illkirch, France.
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64
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Pandit S, Behera P, Sahoo J, De M. In Situ Synthesis of Amino Acid Functionalized Carbon Dots with Tunable Properties and Their Biological Applications. ACS APPLIED BIO MATERIALS 2019; 2:3393-3403. [DOI: 10.1021/acsabm.9b00374] [Citation(s) in RCA: 52] [Impact Index Per Article: 10.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Affiliation(s)
- Subrata Pandit
- Department of Organic Chemistry, Indian Institute of Science, Bangalore 560012, India
| | - Pradipta Behera
- Department of Organic Chemistry, Indian Institute of Science, Bangalore 560012, India
| | - Jagabandhu Sahoo
- Department of Organic Chemistry, Indian Institute of Science, Bangalore 560012, India
| | - Mrinmoy De
- Department of Organic Chemistry, Indian Institute of Science, Bangalore 560012, India
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65
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Xiong R, Chen M, Cui X, Wang Q, Liu X, Geng B. Simultaneous and Reversible Triggering of the Phase Transfer and Luminescence Change of Amidine-Modified Carbon Dots by CO 2. ACS APPLIED MATERIALS & INTERFACES 2019; 11:22851-22857. [PMID: 31198041 DOI: 10.1021/acsami.9b05421] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
The ability to reversibly manipulate the surface nature of luminescent nanoparticles upon external stimulation enables the development of advanced optical probes for biological sensing and data encoding. Herein, we report the synthesis of a new class of smart carbon dots (CDs) via surface modification of amine-enriched CDs with CO2-responsive groups of amidine. We present that alternative CO2 and N2 bubbling can not only lead to a reversible phase transfer of the CDs between an organic phase and an aqueous phase but also give rise to a corresponding reversible luminescence change between blue and cyan-green. We attribute these observations to changes in both the surface chemistry and the emission states of the CDs triggered by the alternative CO2/N2 introduction. We also find a similar luminescence change of the CDs upon alternative exposure to a humid vapor of CO2 and a mixture of NH3 and N2 at room temperature, allowing them to be used as a new class of optical materials for optical encoding.
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Affiliation(s)
- Rui Xiong
- College of Chemistry and Materials Science, The Key Laboratory of Functional Molecular Solids, Ministry of Education, Anhui Laboratory of Molecular-Based Materials, Centre for Nano Science and Technology , Anhui Normal University , Wuhu 241000 , P. R. China
| | - Meiling Chen
- College of Chemistry and Materials Science, The Key Laboratory of Functional Molecular Solids, Ministry of Education, Anhui Laboratory of Molecular-Based Materials, Centre for Nano Science and Technology , Anhui Normal University , Wuhu 241000 , P. R. China
| | - Xin Cui
- College of Chemistry and Materials Science, The Key Laboratory of Functional Molecular Solids, Ministry of Education, Anhui Laboratory of Molecular-Based Materials, Centre for Nano Science and Technology , Anhui Normal University , Wuhu 241000 , P. R. China
| | - Qi Wang
- College of Chemistry and Materials Science, The Key Laboratory of Functional Molecular Solids, Ministry of Education, Anhui Laboratory of Molecular-Based Materials, Centre for Nano Science and Technology , Anhui Normal University , Wuhu 241000 , P. R. China
| | - Xiaowang Liu
- College of Chemistry and Materials Science, The Key Laboratory of Functional Molecular Solids, Ministry of Education, Anhui Laboratory of Molecular-Based Materials, Centre for Nano Science and Technology , Anhui Normal University , Wuhu 241000 , P. R. China
| | - Baoyou Geng
- College of Chemistry and Materials Science, The Key Laboratory of Functional Molecular Solids, Ministry of Education, Anhui Laboratory of Molecular-Based Materials, Centre for Nano Science and Technology , Anhui Normal University , Wuhu 241000 , P. R. China
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66
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Abuelizz HA, Awad HM, Marzouk M, Nasr FA, Alqahtani AS, Bakheit AH, Naglah AM, Al-Salahi R. Synthesis and biological evaluation of 4-(1 H-1,2,4-triazol-1-yl)benzoic acid hybrids as anticancer agents. RSC Adv 2019; 9:19065-19074. [PMID: 35516906 PMCID: PMC9064907 DOI: 10.1039/c9ra03151k] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2019] [Accepted: 05/20/2019] [Indexed: 11/25/2022] Open
Abstract
A series of 4-(1H-1,2,4-triazol-1-yl)benzoic acid hybrids (1-17) was successfully synthesized and their structures were established by NMR and MS analysis. In vitro cytotoxic evaluation indicated that some of the hybrids exhibited potent inhibitory activities against MCF-7 and HCT-116 cancer cell lines, with IC50 values ranging from 15.6 to 23.9 µM, compared with reference drug doxorubicin (19.7 and 22.6 µM, respectively). Notably, the most potent compounds, 2, 5, 14, and 15, not only exhibited an obvious improvement in IC50 values, but demonstrated very weak cytotoxic effects toward normal cells (RPE-1) compared with doxorubicin. A further investigation showed that compounds 2 and 14 clearly inhibited the proliferation of MCF-7 cancer cells by inducing apoptosis. In addition, these hybrids showed acceptable correlation with bioassay results in regression plots generated by 2D QSAR models. Our results indicated that 1,2,4-triazole benzoic acid hybrids could be used as a structural optimization platform for the design and development of more selective and potent anticancer molecules.
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Affiliation(s)
- Hatem A Abuelizz
- Department of Pharmaceutical Chemistry, College of Pharmacy, King Saud University PO Box 2457 Riyadh 11451 Saudi Arabia
| | - Hanem M Awad
- Department of Tanning Materials and Leather Technology, National Research Centre 33 El-Bohouth St. (Former El-Tahrir St.), Dokki Cairo 12622 Egypt
| | - Mohamed Marzouk
- Chemistry of Natural Products Group, Center of Excellence for Advanced Sciences, National Research Centre 33 El-Bohouth St. (Former El-Tahrir St.), Dokki Cairo 12622 Egypt
| | - Fahd A Nasr
- Medicinal Aromatic, and Poisonous Plants Research Center, College of Pharmacy, King Saud University PO Box 2457 Riyadh 11451 Saudi Arabia
| | - Ali S Alqahtani
- Pharmacognosy Department, College of Pharmacy, King Saud University PO Box 2457 Riyadh 11451 Saudi Arabia
| | - Ahmed H Bakheit
- Department of Pharmaceutical Chemistry, College of Pharmacy, King Saud University PO Box 2457 Riyadh 11451 Saudi Arabia
- Department of Chemistry, Faculty of Science and Technology, El-Neelain University PO Box 12702 Khartoum 11121 Sudan
| | - Ahmed M Naglah
- Department of Pharmaceutical Chemistry, Drug Exploration and Development Chair (DEDC), College of Pharmacy, King Saud University Riyadh 11451 Saudi Arabia
- Peptide Chemistry Department, Chemical Industries Research Division, National Research Centre 33 El-Bohouth St. (Former El-Tahrir St.), Dokki Cairo 12622 Egypt
| | - Rashad Al-Salahi
- Department of Pharmaceutical Chemistry, College of Pharmacy, King Saud University PO Box 2457 Riyadh 11451 Saudi Arabia
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67
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Zhang J, Liu X, Zhou J, Huang X, Xie D, Ni J, Ni C. Carbon dots derived from algae as H 2O 2 sensors: the importance of nutrients in biomass. NANOSCALE ADVANCES 2019; 1:2151-2156. [PMID: 36131981 PMCID: PMC9419849 DOI: 10.1039/c9na00049f] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/26/2019] [Accepted: 04/08/2019] [Indexed: 06/15/2023]
Abstract
Carbon dots produced hydrothermally from algae were used directly for H2O2 sensing. The mineral nutrients in biomass were found be important for the composition, crystallinity, dispersion and photoluminescence (PL) quenching of the carbon dots under reactive oxygen species, which catalysed the oxidation of passivating ligands.
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Affiliation(s)
- Jing Zhang
- College of Resources and Environment, Southwest University Chongqing 400716 China
| | - Xiaojing Liu
- College of Resources and Environment, Southwest University Chongqing 400716 China
| | - Jun Zhou
- Center of Nanomaterials for Renewable Energy, State Key Laboratory of Electrical Insulation and Power Equipment, Xi'an Jiaotong University Xi'an 710049 People's Republic of China
| | - Xuejiao Huang
- College of Resources and Environment, Southwest University Chongqing 400716 China
| | - Deti Xie
- College of Resources and Environment, Southwest University Chongqing 400716 China
| | - Jiupai Ni
- College of Resources and Environment, Southwest University Chongqing 400716 China
| | - Chengsheng Ni
- College of Resources and Environment, Southwest University Chongqing 400716 China
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68
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Reducing the Crystallite Size of Spherulites in PEO-Based Polymer Nanocomposites Mediated by Carbon Nanodots and Ag Nanoparticles. NANOMATERIALS 2019; 9:nano9060874. [PMID: 31181863 PMCID: PMC6630485 DOI: 10.3390/nano9060874] [Citation(s) in RCA: 31] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/06/2019] [Revised: 05/31/2019] [Accepted: 06/04/2019] [Indexed: 11/17/2022]
Abstract
The PEO-based polymer nanocomposites were prepared by solution cast method. Green approaches were used for synthesis of carbon nanodots (CNDs) and silver nanoparticles (Ag NPs). It was found that the crystallite size of spherulites of PEO was greatly scarified upon incorporation of CNDs and Ag NPs. In the present work, in opposition to other studies, broadening of surface plasmon resonance (SPR) peak of metallic Ag NPs in PEO-based polymer composites was observed rather than peak tuning. Various techniques, such as powder X-ray diffraction (XRD), SEM, UV-Vis spectroscopy, and photoluminescence (PL), were used to characterize the structural, morphological, and optical properties of the samples. Increase of amorphous phase for the PEO doped with CND particles was shown from the results of XRD analyses. Upon the addition of suspended Ag NPs to the PEO:CNDs composites, significant change of XRD peak position was seen. A field-emission scanning electron microscope (FESEM) was used to investigate the surface morphology of the samples. In the SEM, a significant change in the crystalline structure was seen. The size of PEO spherulites in the PEO nanocomposite samples became smaller and the percentage of amorphous portion became larger, owing to the distribution of CNDs and Ag NPs. The UV-Vis absorption spectra of the PEO-based polymer were found to improve and shift to higher wavelengths upon incorporation of CNDs and Ag NPs into the PEO matrix. The SPR peak broadening in the UV-Vis spectra was observed in the PEO:CNDs composites due to the Ag NPs. The absorption edge value of PEO was found to shift toward lower photon energy as the CNDs and Ag NPs are introduced. The photoluminescence (PL) spectra were also observed for the PEO:CNDs and PEO:CNDs:Ag samples and found to be more intense in the PEO:CNDs system than in the PEO:CNDs:Ag system. Lastly, the optical band gap of the samples was further studied in detail using of Tauc's model and optical dielectric loss parameter. The types of electron transition were specified.
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Abstract
Carbon nanodots (CNDs) is the newest member of carbon-based nanomaterials and one of the most promising for the development of new, advanced applications. Owing to their unique and unparalleled physicochemical and photoluminescent properties, they are considered to be a rising star among nanomaterials. During the last decade, many applications have been developed based on CNDs. Among others, they have been used as bioimaging agents to label cells and tissues. In this review, we will discuss the advancements in the applications of CNDs in in the field of imaging, in all types of organisms (i.e., prokaryotes, eukaryotes, and animals). Selective imaging of one type of cells over another, imaging of (bio)molecules inside cells and tumor-targeting imaging are some of the studies that will be discussed hereafter. We hope that this review will assist researchers with obtaining a holistic view of the developed applications and hit on new ideas so that more advanced applications can be developed in the near future.
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Kumar VB, Kumar R, Gedanken A, Shefi O. Fluorescent metal-doped carbon dots for neuronal manipulations. ULTRASONICS SONOCHEMISTRY 2019; 52:205-213. [PMID: 30522849 DOI: 10.1016/j.ultsonch.2018.11.017] [Citation(s) in RCA: 44] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/26/2018] [Revised: 11/04/2018] [Accepted: 11/20/2018] [Indexed: 05/16/2023]
Abstract
There is a growing need for biocompatible nanocomposites that may efficiently interact with biological tissues through multiple modalities. Carbon dots (CDs) could serve as biocompatible fluorescence nanomaterials for targeted tissue/cell imaging. Important goals toward this end are to enhance the fluorescence quantum yields of the CDs and to increase their targetability to cells. Here, sonochemistry was used to develop a one-pot synthesis of CDs, including metal-doped CDs (M@CDs), demonstrating how various experimental parameters, such as sonication time, temperature, and power of sonication affect the size of the CDs (2-10 nm) and their fluorescence properties. The highest measured quantum yield of emission was ∼16%. Similarly, we synthesized CDs doped with different metals (M@CDs) including Ga, Sn, Zn, Ag, and Au. The interaction of M@CDs with neuron-like cells was examined and showed efficient uptake and low cytotoxicity. Moreover, the influence of the M@CDs on the improvement of neurites during initiation and elongation growth phases were compared with pristine CDs. Our research demonstrates the use of M@CDs for imaging and for neuronal interactions. The M@CD nanocomposites are promising due to their biocompatibility, photo-stability and potential selective affinity, paving the way for multifunctional biomedical applications.
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Affiliation(s)
- Vijay Bhooshan Kumar
- Bar-Ilan Institute for Nanotechnology and Advanced Materials (BINA) and Department of Chemistry, Bar-Ilan University, Ramat Gan 5290002, Israel
| | - Raj Kumar
- Bar-Ilan Institute for Nanotechnology and Advanced Materials (BINA) and Faculty of Engineering, Bar-Ilan University, Ramat Gan 5290002, Israel
| | - Aharon Gedanken
- Bar-Ilan Institute for Nanotechnology and Advanced Materials (BINA) and Department of Chemistry, Bar-Ilan University, Ramat Gan 5290002, Israel.
| | - Orit Shefi
- Bar-Ilan Institute for Nanotechnology and Advanced Materials (BINA) and Faculty of Engineering, Bar-Ilan University, Ramat Gan 5290002, Israel.
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Aziz SB, Hassan AQ, Mohammed SJ, Karim WO, Kadir MFZ, Tajuddin HA, Chan NNMY. Structural and Optical Characteristics of PVA:C-Dot Composites: Tuning the Absorption of Ultra Violet (UV) Region. NANOMATERIALS (BASEL, SWITZERLAND) 2019; 9:E216. [PMID: 30736346 PMCID: PMC6410024 DOI: 10.3390/nano9020216] [Citation(s) in RCA: 70] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/16/2019] [Revised: 01/30/2019] [Accepted: 02/01/2019] [Indexed: 11/16/2022]
Abstract
: In this work the influence of carbon nano-dots (CNDs) on absorption of ultra violet (UV) spectra in hybrid PVA based composites was studied. The FTIR results reveal the complex formation between PVA and CNDs. The shifting was observed in XRD spectrum of PVA:CNDs composites compared to pure PVA. The Debye-Scherrer formula was used to calculate the crystallite size of CNDs and crystalline phases of pure PVA and PVA:CNDs composites. The FESEM images emphasized the presence and dispersion of C-dots on the surface of the composite samples. From the images, a strong and clear absorption was noticed in the spectra. The strong absorption that appeared peaks at 280 nm and 430 nm can be ascribed to the n-π* and π-π* transitions, respectively. The absorption edge shifted to lower photon energy sides with increasing CNDs. The luminescence behavior of PVA:CNDs composite was confirmed using digital and photo luminescence (PL) measurements. The optical dielectric constant which is related to the density of states was studied and the optical band gap was characterized accurately using optical dielectric loss parameter. The Taucs model was used to determine the type of electronic transition in the samples.
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Affiliation(s)
- Shujahadeen B Aziz
- Advanced Polymeric Materials Research Laboratory, Department of Physics, College of Science, University of Sulaimani, Qlyasan Street, Sulaimani 46001, Kurdistan Regional Government, Iraq.
- Komar Research Center (KRC), Komar University of Science and Technology, Sulaimani 46001, Kurdistan Regional Government, Iraq.
| | - Aso Q Hassan
- Department of Chemistry, College of Science, University of Sulaimani, Qlyasan Street, Sulaimani 46001, Kurdistan Regional Government, Iraq.
| | - Sewara J Mohammed
- Department of Chemistry, College of Science, University of Sulaimani, Qlyasan Street, Sulaimani 46001, Kurdistan Regional Government, Iraq.
| | - Wrya O Karim
- Department of Chemistry, College of Science, University of Sulaimani, Qlyasan Street, Sulaimani 46001, Kurdistan Regional Government, Iraq.
| | - M F Z Kadir
- Centre for Foundation Studies in Science, University of Malaya, Kuala Lumpur 50603, Malaysia.
| | - H A Tajuddin
- Department of Chemistry, College of Science, University of Malaya, Kuala Lumpur 50603, Malaysia.
| | - N N M Y Chan
- Department of Chemistry, College of Science, University of Malaya, Kuala Lumpur 50603, Malaysia.
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Parthiban V, Panda SK, Sahu AK. Highly fluorescent carbon quantum dots-Nafion as proton selective hybrid membrane for direct methanol fuel cells. Electrochim Acta 2018. [DOI: 10.1016/j.electacta.2018.09.193] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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Sri S, Kumar R, Panda AK, Solanki PR. Highly Biocompatible, Fluorescence, and Zwitterionic Carbon Dots as a Novel Approach for Bioimaging Applications in Cancerous Cells. ACS APPLIED MATERIALS & INTERFACES 2018; 10:37835-37845. [PMID: 30360121 DOI: 10.1021/acsami.8b13217] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/22/2023]
Abstract
Highly biocompatible, excellently photostable, nitrogen- and sulfur-containing novel zwitterionic carbon dots (CDs) were synthesized by microwave-assisted pyrolysis. The size of CDs were 2-5 nm, with an average size of 2.61 ± 0.7 nm. CDs were characterized by UV/vis spectroscopy, fluorescence spectroscopy, zeta potential, Fourier-transform infrared spectroscopy, X-ray diffraction, and time-resolved fluorescence spectroscopy. CDs were known to emit blue fluorescence when excited at 360 nm, that is, UV region, and emit in the blue region of visible spectrum, that is, at 443 nm. CDs showed excitation-independent photoluminescence behavior and were highly fluorescent even at lower concentration under UV light. These CDs were highly fluorescent in nature, with the quantum yield being as high as 80%, which is comparable to that of organic dyes. The CDs were further used to image two different oral cancer cell lines, namely, FaDu (human pharyngeal carcinoma) and Cal-27 (human tongue carcinoma). The cell viability assay demonstarted that CDs were highly biocompatible, which was further confirmed by the side scattering studies as no change in the granularity was observed even at the highest concentration of 1600 μg/mL. The generation of reactive oxygen species (ROS) was also investigated and negligible generaton of ROS was detected. In addition to that, the uptake phenomenon, cell cycle analysis, exocytosis, and cellular uptake at 4 °C and in the presence of ATP inhibitor were studied. It was found that CDs easily cross the plasma membrane without hampering the cellular integrity.
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Affiliation(s)
- Smriti Sri
- Special Centre for Nanoscience , Jawaharlal Nehru University , New Delhi 110067 , India
| | - Robin Kumar
- National Institute of Immunology , Aruna Asaf Ali Marg , New Delhi 110067 , India
| | - Amulya K Panda
- National Institute of Immunology , Aruna Asaf Ali Marg , New Delhi 110067 , India
| | - Pratima R Solanki
- Special Centre for Nanoscience , Jawaharlal Nehru University , New Delhi 110067 , India
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Xiao P, Ke Y, Lu J, Huang Z, Zhu X, Wei B, Huang L. Photoluminescence immunoassay based on grapefruit peel-extracted carbon quantum dots encapsulated into silica nanospheres for p53 protein. Biochem Eng J 2018. [DOI: 10.1016/j.bej.2018.08.012] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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Yu T, Wang H, Guo C, Zhai Y, Yang J, Yuan J. A rapid microwave synthesis of green-emissive carbon dots with solid-state fluorescence and pH-sensitive properties. ROYAL SOCIETY OPEN SCIENCE 2018; 5:180245. [PMID: 30109080 PMCID: PMC6083653 DOI: 10.1098/rsos.180245] [Citation(s) in RCA: 26] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/13/2018] [Accepted: 06/07/2018] [Indexed: 05/24/2023]
Abstract
The emerging carbon quantum dots (CQDs) have been attracting significant attention for their prominent fluorescence, excellent stability and outstanding biocompatibility. Here, we report a facile one-step synthesis of highly fluorescent CQDs by using phthalic acid and triethylenediamine hexahydrate as precursors through a simple microwave-assisted method. The reaction time needed is only 60 s, which is less time-consuming than most previous reports. The phthalic acid with a benzene ring can improve the photoluminescence properties of CQDs as it can provide foreign sp2 conjugating units, and then finally result in long-wavelength emission. The synthesized CQDs were fully characterized by transmission electron microscopy, X-ray photoelectron spectroscopy and Fourier transform infrared spectroscopy. Besides, the impacts of different freed ratio on physical and chemical properties of CQDs were investigated in detail. The prepared CQDs exhibited strong green fluorescence with a broad maximum emission wavelength. The quantum yields of the CQDs can reach 16.1% in aqueous solution and they were successfully used in cell imaging with good biocompatibility. Moreover, in solid state, the CQDs with the feed ratio of 1 : 0.5 showed a strong green-yellow fluorescence which may have great potential to fabricate optoelectronic devices. Furthermore, the prepared CQDs also showed high pH sensitivity and can act as a fluorescence nanosensor for pH sensing.
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Affiliation(s)
- Tingting Yu
- Department of Preventive Medicine, Changzhi Medical College, Changzhi 046000, People's Republic of China
| | - Haijiao Wang
- Xinxiang Key Laboratory for Biomedical Materials, College of Life Science and Technology, Xinxiang Medical University, 601 Jinsui Road, Xinxiang 453003, People's Republic of China
| | - Chongzheng Guo
- Department of Preventive Medicine, Changzhi Medical College, Changzhi 046000, People's Republic of China
| | - Yanli Zhai
- Department of Preventive Medicine, Changzhi Medical College, Changzhi 046000, People's Republic of China
| | - Jianzhou Yang
- Department of Preventive Medicine, Changzhi Medical College, Changzhi 046000, People's Republic of China
| | - Jianhui Yuan
- Department of Preventive Medicine, Changzhi Medical College, Changzhi 046000, People's Republic of China
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Canton-Vitoria R, Vallan L, Urriolabeitia E, Benito AM, Maser WK, Tagmatarchis N. Electronic Interactions in Illuminated Carbon Dot/MoS2
Ensembles and Electrocatalytic Activity towards Hydrogen Evolution. Chemistry 2018; 24:10468-10474. [DOI: 10.1002/chem.201801425] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2018] [Revised: 05/15/2018] [Indexed: 01/12/2023]
Affiliation(s)
- Ruben Canton-Vitoria
- Theoretical and Physical Chemistry Institute; National Hellenic Research Foundation; 48 Vassileos Constantinou Avenue 11635 Athens Greece
| | - Lorenzo Vallan
- Instituto de Carboquímica (ICB-CSIC); Consejo Superior de Investigaciones Científicas; C/Miguel Luesma Castán 4 50018 Zaragoza Spain
| | - Esteban Urriolabeitia
- Instituto de Síntesis Quimica y Catálisis Homogénea; CSIC; Universidad de Zaragoza; C/Pedro Cerbuna 12 50009 Zaragoza Spain
| | - Ana M. Benito
- Instituto de Carboquímica (ICB-CSIC); Consejo Superior de Investigaciones Científicas; C/Miguel Luesma Castán 4 50018 Zaragoza Spain
| | - Wolfgang K. Maser
- Instituto de Carboquímica (ICB-CSIC); Consejo Superior de Investigaciones Científicas; C/Miguel Luesma Castán 4 50018 Zaragoza Spain
| | - Nikos Tagmatarchis
- Theoretical and Physical Chemistry Institute; National Hellenic Research Foundation; 48 Vassileos Constantinou Avenue 11635 Athens Greece
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Yun JH, Polyakov AY, Kim KC, Yu YT, Lee D, Lee IH. Enhanced luminescence of CsPbBr 3 perovskite nanocrystals on stretchable templates with Au/SiO 2 plasmonic nanoparticles. OPTICS LETTERS 2018; 43:2352-2355. [PMID: 29762590 DOI: 10.1364/ol.43.002352] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/19/2018] [Accepted: 04/20/2018] [Indexed: 06/08/2023]
Abstract
We propose stretchable plasmonic templates of Au and Au/SiO2 nanoparticles (NPs) to improve the luminescence of CsPbBr3 perovskite nanocrystals (PNCs). These templates are highly flexible and consist of polymer-metal NP composites that facilitate the luminescence enhancement by localized surface plasmons (LSPs) due to coupling with metal NP. This template also prevents the degradation of carrier transport properties for perovskite light-emitting diodes by embedding metal NPs in polymer. The luminescence of PNC film on the template with Au NPs decreases by 21% compared to PNC films on the reference (polymer film without metal NPs), while it increases by 54% for the templates with Au/SiO2 NPs. The observed effects are explained by the luminescence enhancement due to coupling to LSPs formed by the Au/SiO2 NPs and by the prevalence of electron tunneling and dumping for Au NPs.
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79
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Liu H, Zhang Y, Liu JH, Hou P, Zhou J, Huang CZ. Preparation of nitrogen-doped carbon dots with high quantum yield from Bombyx mori silk for Fe(iii) ions detection. RSC Adv 2017. [DOI: 10.1039/c7ra10130a] [Citation(s) in RCA: 31] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023] Open
Abstract
A facile one step hydrothermal method to prepare nitrogen-doped carbon dots (CDs) with a high photoluminescence quantum yield using Bombyx mori silk was established, and CDs were applied as luminescent probes for selective detection of Fe3+ ions.
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Affiliation(s)
- Hui Liu
- Key Laboratory of Luminescent and Real-Time Analytical Chemistry (Southwest University)
- Ministry of Education
- College of Pharmaceutical Sciences
- Southwest University
- Chongqing 400716
| | - Yue Zhang
- Key Laboratory of Luminescent and Real-Time Analytical Chemistry (Southwest University)
- Ministry of Education
- College of Pharmaceutical Sciences
- Southwest University
- Chongqing 400716
| | - Jia Hui Liu
- Key Laboratory of Luminescent and Real-Time Analytical Chemistry (Southwest University)
- Ministry of Education
- College of Pharmaceutical Sciences
- Southwest University
- Chongqing 400716
| | - Peng Hou
- Key Laboratory of Luminescent and Real-Time Analytical Chemistry (Southwest University)
- Ministry of Education
- College of Pharmaceutical Sciences
- Southwest University
- Chongqing 400716
| | - Jun Zhou
- Key Laboratory of Luminescent and Real-Time Analytical Chemistry (Southwest University)
- Ministry of Education
- College of Pharmaceutical Sciences
- Southwest University
- Chongqing 400716
| | - Cheng Zhi Huang
- Key Laboratory of Luminescent and Real-Time Analytical Chemistry (Southwest University)
- Ministry of Education
- College of Pharmaceutical Sciences
- Southwest University
- Chongqing 400716
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