51
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Song S, Liang F, Li M, Du F, Dong W, Gong X, Shuang S, Dong C. A label-free nano-probe for sequential and quantitative determination of Cr(VI) and ascorbic acid in real samples based on S and N dual-doped carbon dots. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2019; 215:58-68. [PMID: 30822735 DOI: 10.1016/j.saa.2019.02.065] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/10/2018] [Revised: 01/07/2019] [Accepted: 02/17/2019] [Indexed: 06/09/2023]
Abstract
A fluorescent sulfur and nitrogen dual-doped carbon dots (S,N-CDs) was prepared by a simple and one-step acid-base neutralization and exothermic carbonization method. Hexavalent chromium (Cr(VI)) could effectively quench the fluorescence of S,N-CDs based on inner filter effect (IFE) and dynamic quenching, whereas ascorbic acid (AA) could recover the fluorescence of S,N-CDs/Cr(VI) because of IFE weakening. So an "on-off-on" and label-free nano-probe consecutive determination of Cr(VI) and AA was constructed. This nano-probe system demonstrated excellent selectivity and sensitivity to Cr(VI) and AA with linear range of 0.065-198 μmol/L (3.38-10,296 μg/L) and 6.6-892 μmol/L (1.16-157 mg/L), respectively. Meanwhile, the as-prepared S,N-CDs possess low toxicity and could be used for multi-color cell imaging in SMMC 7721 cells. More importantly, this nano-probe was successfully employed for detection of Cr(VI) in tap water and AA in food samples. In view of its simple detection condition, rapid response, wide linear range, low detection limit and inexpensive instrument, the as-constructed nano-probe system could have a wide range of potential application, including water quality monitoring and evaluation, food inspection and testing and biomedical analysis.
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Affiliation(s)
- Shengmei Song
- Institute of Environmental Science and School of Chemistry and Chemical Engineering, Shanxi University, Taiyuan 030006, PR China
| | - Fan Liang
- Institute of Environmental Science and School of Chemistry and Chemical Engineering, Shanxi University, Taiyuan 030006, PR China
| | - Minglu Li
- Institute of Environmental Science and School of Chemistry and Chemical Engineering, Shanxi University, Taiyuan 030006, PR China
| | - Fangfang Du
- Institute of Environmental Science and School of Chemistry and Chemical Engineering, Shanxi University, Taiyuan 030006, PR China
| | - Wenjuan Dong
- Institute of Environmental Science and School of Chemistry and Chemical Engineering, Shanxi University, Taiyuan 030006, PR China
| | - Xiaojuan Gong
- Institute of Environmental Science and School of Chemistry and Chemical Engineering, Shanxi University, Taiyuan 030006, PR China.
| | - Shaomin Shuang
- Institute of Environmental Science and School of Chemistry and Chemical Engineering, Shanxi University, Taiyuan 030006, PR China
| | - Chuan Dong
- Institute of Environmental Science and School of Chemistry and Chemical Engineering, Shanxi University, Taiyuan 030006, PR China.
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52
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Yang Y, Zou T, Wang Z, Xing X, Peng S, Zhao R, Zhang X, Wang Y. The Fluorescent Quenching Mechanism of N and S Co-Doped Graphene Quantum Dots with Fe 3+ and Hg 2+ Ions and Their Application as a Novel Fluorescent Sensor. NANOMATERIALS (BASEL, SWITZERLAND) 2019; 9:E738. [PMID: 31086109 PMCID: PMC6566331 DOI: 10.3390/nano9050738] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/22/2019] [Revised: 05/08/2019] [Accepted: 05/09/2019] [Indexed: 01/29/2023]
Abstract
The fluorescence intensity of N, S co-doped graphene quantum dots (N, S-GQDs) can be quenched by Fe3+ and Hg2+. Density functional theory (DFT) simulation and experimental studies indicate that the fluorescence quenching mechanisms for Fe3+ and Hg2+ detection are mainly attributed to the inner filter effect (IFE) and dynamic quenching process, respectively. The electronegativity difference between C and doped atoms (N, S) in favor to introduce negative charge sites on the surface of N, S-GQDs leads to charge redistribution. Those negative charge sites facilitate the adsorption of cations on the N, S-GQDs' surface. Atomic population analysis results show that some charge transfer from Fe3+ and Hg2+ to N, S-GQDs, which relate to the fluorescent quenching of N, S-GQDs. In addition, negative adsorption energy indicates the adsorption of Hg2+ and Fe2+ is energetically favorable, which also contributes to the adsorption of quencher ions. Blue fluorescent N, S-GQDs were synthesized by a facile one-pot hydrothermal treatment. Fluorescent lifetime and UV-vis measurements further validate the fluorescent quenching mechanism is related to the electron transfer dynamic quenching and IFE quenching. The as-synthesized N, S-GQDs were applied as a fluorescent probe for Fe3+ and Hg2+ detection. Results indicate that N, S-GQDs have good sensitivity and selectivity on Fe3+ and Hg2+ with a detection limit as low as 2.88 and 0.27 nM, respectively.
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Affiliation(s)
- Yue Yang
- Department of Physics, Yunnan University, Kunming 650091, China.
| | - Tong Zou
- School of Materials Science and Engineering, Yunnan University, Kunming 650091, China.
| | - Zhezhe Wang
- Department of Physics, Yunnan University, Kunming 650091, China.
| | - Xinxin Xing
- Department of Physics, Yunnan University, Kunming 650091, China.
| | - Sijia Peng
- School of Materials Science and Engineering, Yunnan University, Kunming 650091, China.
| | - Rongjun Zhao
- Department of Physics, Yunnan University, Kunming 650091, China.
| | - Xu Zhang
- School of Materials Science and Engineering, Yunnan University, Kunming 650091, China.
| | - Yude Wang
- School of Materials Science and Engineering, Yunnan University, Kunming 650091, China.
- Key Lab of Quantum Information of Yunnan Province, Yunnan University, Kunming 650091, China.
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53
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Jiao Y, Sun H, Jia Y, Liu Y, Gao Y, Xian M, Shuang S, Dong C. Functionalized fluorescent carbon nanoparticles for sensitively targeted of folate-receptor-positive cancer cells. Microchem J 2019. [DOI: 10.1016/j.microc.2019.01.003] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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54
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Dual-emission carbon dots as biocompatible nanocarrier for in vitro/in vivo cell microenvironment ratiometric pH sensing in broad range. JOURNAL OF THE IRANIAN CHEMICAL SOCIETY 2019. [DOI: 10.1007/s13738-019-01678-3] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
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55
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Jia J, Lin B, Gao Y, Jiao Y, Li L, Dong C, Shuang S. Highly luminescent N-doped carbon dots from black soya beans for free radical scavenging, Fe 3+ sensing and cellular imaging. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2019; 211:363-372. [PMID: 30593946 DOI: 10.1016/j.saa.2018.12.034] [Citation(s) in RCA: 31] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/25/2018] [Revised: 12/09/2018] [Accepted: 12/18/2018] [Indexed: 05/21/2023]
Abstract
The novel N doped carbon dots (N-CDs) were readily fabricated through one-step pyrolysis method from black soya beans. The obtained N-CDs possessed excellent photoluminescence properties with quantum yield of 38.7 ± 0.64% and dual responsive properties towards free radical and Fe3+. The N-CDs exhibited favorable radical scavenging activity (RSA) against 1,1-diphenyl-2-picrylhydrazyl (DPPH) and superoxide anion radicals. Fe3+ could induce photoluminescence quenching of N-CDs through static quenching characteristics. The possible quenching mechanism was presented. Combining with negligible toxicity and preferable biocompatibility, the N-CDs were extended to imaging intracellular Fe3+. As an attractive candidate, the N-CDs demonstrated a great potential in free radical scavenging, sensing and cellular imaging.
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Affiliation(s)
- Jing Jia
- Department of Chemistry and Chemical Engineering, Center of Environmental Science and Engineering Research, Shanxi University, Taiyuan 030006, China
| | - Bo Lin
- Department of Chemistry and Chemical Engineering, Center of Environmental Science and Engineering Research, Shanxi University, Taiyuan 030006, China
| | - Yifang Gao
- Department of Chemistry and Chemical Engineering, Center of Environmental Science and Engineering Research, Shanxi University, Taiyuan 030006, China
| | - Yuan Jiao
- Department of Chemistry and Chemical Engineering, Center of Environmental Science and Engineering Research, Shanxi University, Taiyuan 030006, China
| | - Lei Li
- Department of Chemical & Petroleum Engineering, Swanson School of Engineering, University of Pittsburgh, Pittsburgh, PA 15261, USA
| | - Chuan Dong
- Department of Chemistry and Chemical Engineering, Center of Environmental Science and Engineering Research, Shanxi University, Taiyuan 030006, China
| | - Shaomin Shuang
- Department of Chemistry and Chemical Engineering, Center of Environmental Science and Engineering Research, Shanxi University, Taiyuan 030006, China.
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56
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Wei X, Li L, Liu J, Yu L, Li H, Cheng F, Yi X, He J, Li B. Green Synthesis of Fluorescent Carbon Dots from Gynostemma for Bioimaging and Antioxidant in Zebrafish. ACS APPLIED MATERIALS & INTERFACES 2019; 11:9832-9840. [PMID: 30758177 DOI: 10.1021/acsami.9b00074] [Citation(s) in RCA: 110] [Impact Index Per Article: 22.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/23/2023]
Abstract
Fluorescent carbon dots (CDs) have been synthesized via the calcination method using natural gynostemma as the precursor, without any toxic ingredients or surface passivation chemicals. CDs have a narrow size distribution, and the mean particle size is about 2.5 nm. CDs exhibit good water dispersibility and can emit intense blue fluorescence under 365 nm UV light in an aqueous solution, which can be stable in different conditions. The biotoxicity of CDs on the embryonic development of zebrafish is evaluated, the hatch rate and survival rate of embryos are around 90%, and the malformation rate is less than 10%. Because of the excellent fluorescence stability and biocompatibility, CDs can be used in zebrafish for bioimaging. In addition, the antioxidative stress property of CDs is investigated both in vitro and in vivo, and the presence of CDs can promote the mRNA expression of related genes to encode more antioxidant proteins in zebrafish. Therefore, fluorescent CDs would be a potential candidate for bioimaging and treating diseases caused by excessive oxidation damage, such as cancer, senility, and other diseases associated with aging.
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Affiliation(s)
- Xinjing Wei
- MIIT Key Laboratory of Critical Materials Technology for New Energy Conversion and Storage, School of Chemistry and Chemical Engineering , Harbin Institute of Technology , Harbin 150001 , P. R. China
| | - Li Li
- School of Life Science and Technology , Harbin Institute of Technology , Harbin 150080 , P. R. China
| | - Jinlong Liu
- School of Life Science and Technology , Harbin Institute of Technology , Harbin 150080 , P. R. China
| | - Lidong Yu
- School of Science, Department of Physics , Harbin Institute of Technology , Harbin 150080 , P. R. China
| | - Hongbin Li
- MIIT Key Laboratory of Critical Materials Technology for New Energy Conversion and Storage, School of Chemistry and Chemical Engineering , Harbin Institute of Technology , Harbin 150001 , P. R. China
| | - Feng Cheng
- MIIT Key Laboratory of Critical Materials Technology for New Energy Conversion and Storage, School of Chemistry and Chemical Engineering , Harbin Institute of Technology , Harbin 150001 , P. R. China
| | - Xiaotong Yi
- MIIT Key Laboratory of Critical Materials Technology for New Energy Conversion and Storage, School of Chemistry and Chemical Engineering , Harbin Institute of Technology , Harbin 150001 , P. R. China
| | - Jinmei He
- MIIT Key Laboratory of Critical Materials Technology for New Energy Conversion and Storage, School of Chemistry and Chemical Engineering , Harbin Institute of Technology , Harbin 150001 , P. R. China
| | - Bingsheng Li
- Key Laboratory of UV Light Emitting Materials and Technology Under Ministry of Education , Northeast Normal University , Changchun 130024 , P. R. China
- State Key Laboratory of Urban Water Resource and Environment , Harbin Institute of Technology , Harbin 150090 , P. R. China
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57
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Atchudan R, Edison TNJI, Perumal S, Clament Sagaya Selvam N, Lee YR. Green synthesized multiple fluorescent nitrogen-doped carbon quantum dots as an efficient label-free optical nanoprobe for in vivo live-cell imaging. J Photochem Photobiol A Chem 2019. [DOI: 10.1016/j.jphotochem.2018.12.011] [Citation(s) in RCA: 81] [Impact Index Per Article: 16.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
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58
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Li X, Shi L, Li L, Dong C, Li CZ, Shuang S. Recent Advances in Carbon Nanodots: Properties and Applications in Cancer Diagnosis and Treatment. JOURNAL OF ANALYSIS AND TESTING 2019. [DOI: 10.1007/s41664-019-00089-w] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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59
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Jiang YJ, Lin M, Yang T, Li RS, Huang CZ, Wang J, Li YF. Nitrogen and phosphorus doped polymer carbon dots as a sensitive cellular mapping probe of nitrite. J Mater Chem B 2019; 7:2074-2080. [PMID: 32254811 DOI: 10.1039/c8tb02998a] [Citation(s) in RCA: 27] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
Abstract
Nitrite (NO2 -) is one of the important pollutants in food and the environment, which can seriously endanger the health of human beings. Therefore, detecting nitrite in food, environmental and biological samples is very significant for health monitoring. Herein, polymer carbon dots (PCDs) doped with nitrogen and phosphorus were prepared by polymerization of ascorbic acid (AA) and polyethylenimine (PEI) with phosphoric acid, and exhibited excellent stability, adjustable fluorescence emissions and good biocompatibility. It was found that the PCDs presented a sensitive response to nitrite (NO2 -), and they were successfully applied for NO2 - analysis in water and milk samples, and the dynamic monitoring of nitrite entry into Hep-2 cells.
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Affiliation(s)
- Yong Jian Jiang
- Key Laboratory of Luminescent and Real-Time Analytical Chemistry (Southwest University), Ministry of Education, College of Chemistry and Chemical Engineering, Southwest University, 400715 Chongqing, P. R. China.
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60
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Qin Z, Wang W, Zhan X, Du X, Zhang Q, Zhang R, Li K, Li J, Xu W. One-pot synthesis of dual carbon dots using only an N and S co-existed dopant for fluorescence detection of Ag . SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2019; 208:162-171. [PMID: 30312843 DOI: 10.1016/j.saa.2018.10.004] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/20/2018] [Revised: 10/02/2018] [Accepted: 10/04/2018] [Indexed: 06/08/2023]
Abstract
Luminescent carbon-based nanoparticles, named often as carbon dots (CDs), were synthesized from citric acid (CA) and guanidine thiocyanate (GITC) via an N and S co-doped hydrothermal procedure. In the present structure characterization, N and S elements could be sufficiently doped by means of the heteroatom or the functional groups bonded on the surface of CDs. The as-prepared CDs solution showed blue color fluorescence under ultraviolet excitation, yet the PL spectra exhibited a repetitive emission process from excitation-independent to excitation-dependent. In view of the triexponential feature of fluorescence lifetimes of CDs, one possibility was proposed to be co-existence of two types of CDs with different surface states. Additionally, the as-prepared CDs were used as a sensing probe for the detection of Ag+ taking into consideration of the possible interactions between Ag+ and various fluorophores attached to the CD surface. As expected, the changes of fluorescence intensities were linearly proportional to the different concentration ranges of Ag+, which suggests the complex nature of the quenching mechanism. And for the first time, the SCN group was found to accelerate the quenching of CDs towards Ag+, promising a new approach for efficient detection of Ag+ for the application in industrial pollutants.
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Affiliation(s)
- Zhenxing Qin
- Department of Physics, Taiyuan University of Science and Technology, Taiyuan 030024, People's Republic of China.
| | - Wenhai Wang
- Department of Physics, Taiyuan University of Science and Technology, Taiyuan 030024, People's Republic of China
| | - Xiaozhi Zhan
- Institute of High Energy Physics, Chinese Academy of Sciences, Beijing 100049, People's Republic of China
| | - Xiujuan Du
- Department of Physics, Taiyuan University of Science and Technology, Taiyuan 030024, People's Republic of China
| | - Qingmei Zhang
- Department of Physics, Taiyuan University of Science and Technology, Taiyuan 030024, People's Republic of China
| | - Rui Zhang
- Department of Physics, Taiyuan University of Science and Technology, Taiyuan 030024, People's Republic of China
| | - Kun Li
- Department of Physics, Taiyuan University of Science and Technology, Taiyuan 030024, People's Republic of China
| | - Jinhong Li
- Department of Physics, Taiyuan University of Science and Technology, Taiyuan 030024, People's Republic of China
| | - Weiping Xu
- Department of Physics, Taiyuan University of Science and Technology, Taiyuan 030024, People's Republic of China.
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61
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Ren WJ, Bai JJ, Zhao YL, Wang YL, Liu F, Li ZZ. One-pot synthesis of carbon dots co-doped with N and S: high quantum yield governed by molecular state and fluorescence detection of Ag+. Mol Phys 2019. [DOI: 10.1080/00268976.2019.1569734] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
Affiliation(s)
- Wei-jie Ren
- School of Materials Science and Engineering, North University of China, Taiyuan, People’s Republic of China
- Department of Materials Engineering, Taiyuan Institute of Technology, Taiyuan, People’s Republic of China
| | - Jing-jing Bai
- School of Materials Science and Engineering, North University of China, Taiyuan, People’s Republic of China
- Department of Materials Engineering, Taiyuan Institute of Technology, Taiyuan, People’s Republic of China
| | - Yan-liang Zhao
- School of Materials Science and Engineering, North University of China, Taiyuan, People’s Republic of China
- Department of Materials Engineering, Taiyuan Institute of Technology, Taiyuan, People’s Republic of China
| | - Yu-long Wang
- School of Materials Science and Engineering, North University of China, Taiyuan, People’s Republic of China
- Department of Materials Engineering, Taiyuan Institute of Technology, Taiyuan, People’s Republic of China
| | - Fei Liu
- School of Materials Science and Engineering, North University of China, Taiyuan, People’s Republic of China
- Department of Materials Engineering, Taiyuan Institute of Technology, Taiyuan, People’s Republic of China
| | - Zhen-zhong Li
- Department of Materials Engineering, Taiyuan Institute of Technology, Taiyuan, People’s Republic of China
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62
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A di-functional and label-free carbon-based chem-nanosensor for real-time monitoring of pH fluctuation and quantitative determining of Curcumin. Anal Chim Acta 2019; 1057:132-144. [PMID: 30832912 DOI: 10.1016/j.aca.2019.01.012] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2018] [Revised: 12/10/2018] [Accepted: 01/03/2019] [Indexed: 12/19/2022]
Abstract
A nitrogen and sulfur dual-doped carbon nanodots (N,S-CNDs) sample was fabricated by an one-step hydrothermal treatment of acid fuchsin. The obtained N,S-CNDs possess yellow fluorescent, excellent water solubility, high fluorescence stability and religious biocompatibility, which can be used as a di-functional and label-free chem-nanosensor for the determination of pH and curcumin (Cur). When the pH is decreased from 8.0 to 4.4, the N,S-CNDs reveals an extraordinary emission escalation at emission wavelength (λem) of 543 nm, and the pKa value of the N,S-CNDs was calculated as 6.06. The N,S-CNDs displays a favourable linear relationship in the physiological pH range of 5.0-7.4, which is meaningful for the research of near-neutral cytosolic pH. Furthermore, the laser scanning confocal microscopic images of intracellular distribution and the determination of pH in HeLa cells were successfully carried out, implying that the N,S-CNDs possess excellent cell membrane permeability and are capable of being further applied to real-time pH fluctuations monitoring in live cells with negligible autofluorescence. More importantly, the fluorescence of N,S-CNDs may be dramatically quenched by Cur via a combination of electrostatic and hydrogen-bond interaction and fluorescence inner filter effect (FIFE). The limit of detection is as low as 81 nmol/L Cur, and the linearity range is 0.5-20 μmol/L Cur. Ultimately, a satisfactory result was obtained when applying the as-constructed fluorescent chem-nanosensing system for the analyses of Cur in practical samples.
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63
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Omer KM, Hama Aziz KH, Salih YM, Tofiq DI, Hassan AQ. Photoluminescence enhancement via microwave irradiation of carbon quantum dots derived from solvothermal synthesis of l-arginine. NEW J CHEM 2019. [DOI: 10.1039/c8nj04788j] [Citation(s) in RCA: 30] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Photoluminescence enhancement of carbon quantum dots was achieved via solvothermal synthesis followed by microwave irradiation.
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Affiliation(s)
- Khalid M. Omer
- Department of Chemistry
- College of Science
- University of Sulaimani
- Sulaimani
- Iraq
| | - Kosar H. Hama Aziz
- Department of Chemistry
- College of Science
- University of Sulaimani
- Sulaimani
- Iraq
| | - Yousif M. Salih
- Department of Chemistry
- College of Science
- University of Sulaimani
- Sulaimani
- Iraq
| | - Diary I. Tofiq
- Department of Chemistry
- College of Science
- University of Sulaimani
- Sulaimani
- Iraq
| | - Aso Q. Hassan
- Department of Chemistry
- College of Science
- University of Sulaimani
- Sulaimani
- Iraq
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64
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Green emitting N,S-co-doped carbon dots for sensitive fluorometric determination of Fe(III) and Ag(I) ions, and as a solvatochromic probe. Mikrochim Acta 2018; 185:510. [DOI: 10.1007/s00604-018-3045-6] [Citation(s) in RCA: 33] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2018] [Accepted: 10/06/2018] [Indexed: 10/28/2022]
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65
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Nitrogen and sulfur co-doped highly luminescent carbon dots for sensitive detection of Cd (II) ions and living cell imaging applications. JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY B-BIOLOGY 2018; 186:144-151. [DOI: 10.1016/j.jphotobiol.2018.07.012] [Citation(s) in RCA: 32] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/16/2018] [Revised: 07/13/2018] [Accepted: 07/17/2018] [Indexed: 01/17/2023]
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66
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Jiao Y, Gong X, Han H, Gao Y, Lu W, Liu Y, Xian M, Shuang S, Dong C. Facile synthesis of orange fluorescence carbon dots with excitation independent emission for pH sensing and cellular imaging. Anal Chim Acta 2018; 1042:125-132. [PMID: 30428979 DOI: 10.1016/j.aca.2018.08.044] [Citation(s) in RCA: 72] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2018] [Revised: 08/14/2018] [Accepted: 08/24/2018] [Indexed: 02/08/2023]
Abstract
High-efficient orange fluorescence nitrogen-doped carbon dots (N-CDs) were facilely prepared from P-phenylenediamine as a precursor via hydrothermal method. The as-prepared N-CDs with an average diameter of 3.65 nm displayed excitation-independent emission at 590 nm. The N-CDs demonstrated a remarkable fluorescence enhancement behavior with the increase of pH. A sigmoidal curve was well fitted using BiDoseResp equation with pKa1 3.57 and pKa2 6.01, which can be ascribed to the unique surface properties of N-CDs. Two-segment linear ranges of 2.6-4.6 and 5.0-6.8 broaden the response range to pH of the orange-emission N-CDs to some extent. The confocal fluorescent microscopic images of SMMC7721 cells were performed successfully, which demonstrating that N-CDs possess exceptional cell membrane permeability and can implement as biosensing platform to monitor pH fluctuations in living cells.
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Affiliation(s)
- Yuan Jiao
- Institute of Environmental Science, and School of Chemistry and Chemical Engineering, Shanxi University, Taiyuan, 030006, China
| | - Xiaojuan Gong
- Institute of Environmental Science, and School of Chemistry and Chemical Engineering, Shanxi University, Taiyuan, 030006, China
| | - Hui Han
- Institute of Environmental Science, and School of Chemistry and Chemical Engineering, Shanxi University, Taiyuan, 030006, China
| | - Yifang Gao
- Institute of Environmental Science, and School of Chemistry and Chemical Engineering, Shanxi University, Taiyuan, 030006, China
| | - Wenjing Lu
- Institute of Environmental Science, and School of Chemistry and Chemical Engineering, Shanxi University, Taiyuan, 030006, China
| | - Yang Liu
- Institute of Environmental Science, and School of Chemistry and Chemical Engineering, Shanxi University, Taiyuan, 030006, China
| | - Ming Xian
- Institute of Environmental Science, and School of Chemistry and Chemical Engineering, Shanxi University, Taiyuan, 030006, China; Department of Chemistry, Washington State University, Pullman, WA, 99164, USA
| | - Shaomin Shuang
- Institute of Environmental Science, and School of Chemistry and Chemical Engineering, Shanxi University, Taiyuan, 030006, China
| | - Chuan Dong
- Institute of Environmental Science, and School of Chemistry and Chemical Engineering, Shanxi University, Taiyuan, 030006, China.
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67
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Zhang Q, Xie S, Yang Y, Wu Y, Wang X, Wu J, Zhang L, Chen J, Wang Y. A Facile Synthesis of Highly Nitrogen-Doped Carbon Dots for Imaging and Detection in Biological Samples. JOURNAL OF ANALYTICAL METHODS IN CHEMISTRY 2018; 2018:7890937. [PMID: 30116649 PMCID: PMC6079530 DOI: 10.1155/2018/7890937] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/21/2018] [Accepted: 05/17/2018] [Indexed: 05/24/2023]
Abstract
A facile, green, and high-output hydrothermal synthesis was proposed for the fabrication of highly fluorescent nitrogen-doped carbon quantum dots (N-doped CDs). The nitrogen content in N-doped CDs reached 19.2% and demonstrated strong blue fluorescence emission was obtained with fluorescence quantum yield (QY) of up to 32.9%, which exhibit high fluorescence quantum yield, high photostability, and excellent biocompatibility. The N-doped CDs possess high photostability, low toxicity, and excellent biocompatibility, based on which the N-doped CDs were successfully applied as a fluorescence probe for cell imaging. Moreover, it was then successfully demonstrated for sensitive and selective detection of Fe3+ in serum.
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Affiliation(s)
- Qianchun Zhang
- School of Biology and Chemistry, Xingyi Normal University for Nationalities, Xingyi 562400, China
| | - Siqi Xie
- School of Biology and Chemistry, Xingyi Normal University for Nationalities, Xingyi 562400, China
| | - Yanqun Yang
- School of Biology and Chemistry, Xingyi Normal University for Nationalities, Xingyi 562400, China
| | - Yun Wu
- School of Biology and Chemistry, Xingyi Normal University for Nationalities, Xingyi 562400, China
| | - Xingyi Wang
- School of Biology and Chemistry, Xingyi Normal University for Nationalities, Xingyi 562400, China
| | - Jincheng Wu
- School of Biology and Chemistry, Xingyi Normal University for Nationalities, Xingyi 562400, China
| | - Li Zhang
- School of Biology and Chemistry, Xingyi Normal University for Nationalities, Xingyi 562400, China
| | - Junyu Chen
- School of Biology and Chemistry, Xingyi Normal University for Nationalities, Xingyi 562400, China
| | - Yuan Wang
- School of Biology and Chemistry, Xingyi Normal University for Nationalities, Xingyi 562400, China
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68
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Omer KM. Highly passivated phosphorous and nitrogen co-doped carbon quantum dots and fluorometric assay for detection of copper ions. Anal Bioanal Chem 2018; 410:6331-6336. [PMID: 30006723 DOI: 10.1007/s00216-018-1242-0] [Citation(s) in RCA: 30] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2018] [Revised: 06/18/2018] [Accepted: 07/03/2018] [Indexed: 10/28/2022]
Abstract
Carbon quantum dots are becoming powerful fluorophore materials for metal ion analysis. Here, highly passivated green phosphorous and nitrogen co-doped carbon quantum dots (C-dots) were prepared using low-temperature carbonization route. Strong green fluorescence emission around 490 nm and excitation wavelength independent C-dots were obtained. Morphological, surface, and optical properties of the C-dots were characterized. Fluorescence emission of C-dots was quenched selectively by copper ions and restored by adding copper chelators, such as EDTA and sulfide ions. Thus, C-dots were successfully used for direct determination of copper ions. Detection limit as low as 1.5 nM (s/n = 3) was achieved for copper ions. Such a low detection limit is very significant for metal analysis using our proposed facile method and low-cost substrates. Experimental results showed that the prepared C-dots demonstrated high sensitivity and selectivity for Cu2+ ion detection and the method is robust and rugged. Graphical abstract ᅟ.
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Affiliation(s)
- Khalid M Omer
- Department of Chemistry, College of Science, University of Sulaimani, Sulaimani, Kurdistan, Iraq. .,Komar University of Science and Technology, Qliasan St, Sulaimani, Kurdistan, Iraq.
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69
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Omer KM, Mohammad NN, Baban SO. Up-Conversion Fluorescence of Phosphorous and Nitrogen Co-Doped Carbon Quantum Dots (CDs) Coupled with Weak LED Light Source for Full-Spectrum Driven Photocatalytic Degradation via ZnO-CDs Nanocomposites. Catal Letters 2018. [DOI: 10.1007/s10562-018-2459-4] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
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70
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Ding YY, Gong XJ, Liu Y, Lu WJ, Gao YF, Xian M, Shuang SM, Dong C. Facile preparation of bright orange fluorescent carbon dots and the constructed biosensing platform for the detection of pH in living cells. Talanta 2018; 189:8-15. [PMID: 30086979 DOI: 10.1016/j.talanta.2018.06.060] [Citation(s) in RCA: 45] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2018] [Revised: 05/16/2018] [Accepted: 06/16/2018] [Indexed: 11/28/2022]
Abstract
Long wavelength (i.e., orange- to red-light) fluorescence emission and functionality are critically longing for the development and applications of carbon dots (CDs) toward biosensor and bioimaging analysis. Herein, the N-doped carbon dots (N-CDs) with bright orange fluorescence emission at 592 nm were facilely synthesized via p-phenylenediamine as a carbon precursor by microwave method. The as-prepared N-CDs exhibit favorable biocompatibility, excellent water solubility, highly optical stabilities and display sensitive pH response behavior. When the pH is decreased from 9.45 to 2.45, its emission fluorescence intensity will be significantly enhanced. The pKa value of N-CDs is 5.80 and it shows linear response to the physiological pH range of 4.45-7.00. Moreover, the N-CDs also possess high selectivity of hydrogen ions over common metal ions and some bioactive molecules, excellent photostability and reversibility. Based on this, a fluorescence sensing platform is established for the detection of pH in the environment. The N-CDs were successfully used as the fluorescent probe for cellular imaging and applied to monitor pH fluctuations in live cells based on its biocompatibility and cell membrane permeability. It is also anticipated that the N-CDs are potential bio-nano-materials for real-time tracking of the intracellular pH especially under physiological conditions in the disease diagnosis, biosensing and biomedical fields.
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Affiliation(s)
- Yuan-Yuan Ding
- Institute of Environmental Science, and School of Chemistry and Chemical Engineering, Shanxi University, Taiyuan 030006,China
| | - Xiao-Juan Gong
- Institute of Environmental Science, and School of Chemistry and Chemical Engineering, Shanxi University, Taiyuan 030006,China
| | - Yang Liu
- Institute of Environmental Science, and School of Chemistry and Chemical Engineering, Shanxi University, Taiyuan 030006,China
| | - Wen-Jing Lu
- Institute of Environmental Science, and School of Chemistry and Chemical Engineering, Shanxi University, Taiyuan 030006,China
| | - Yi-Fang Gao
- Institute of Environmental Science, and School of Chemistry and Chemical Engineering, Shanxi University, Taiyuan 030006,China
| | - Ming Xian
- Department of Chemistry, Washington State University, Pullman, WA 99164, USA
| | - Shao-Min Shuang
- Institute of Environmental Science, and School of Chemistry and Chemical Engineering, Shanxi University, Taiyuan 030006,China
| | - Chuan Dong
- Institute of Environmental Science, and School of Chemistry and Chemical Engineering, Shanxi University, Taiyuan 030006,China.
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71
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Jiang K, Wang Y, Cai C, Lin H. Conversion of Carbon Dots from Fluorescence to Ultralong Room-Temperature Phosphorescence by Heating for Security Applications. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2018; 30:e1800783. [PMID: 29733475 DOI: 10.1002/adma.201800783] [Citation(s) in RCA: 241] [Impact Index Per Article: 40.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/04/2018] [Revised: 03/02/2018] [Indexed: 05/19/2023]
Abstract
Stimuli-responsive optical materials have received tremendous interest in the last several decades due to their numerous promising applications. Here, fluorescence emissive polymer carbon dots (F-CDs), prepared with a simple heating treatment from ethylenediamine and phosphoric acid, are found to produce unexpected ultralong room-temperature phosphorescence (URTP), which lasts for about 10 s with a lifetime of 1.39 s. This is the first example to achieve the conversion of a fluorescence material to URTP by means of an external heating stimulus. Further investigations reveal that the doping of N and P elements and self-immobilization of the excited triplet species are likely mainly responsible for the observed URTP after the heating treatment, due to the facilitation of the intersystem crossing and formation of more compact cores for effective intraparticle hydrogen bonds, respectively. Importantly, this study also demonstrates the potential for aqueous dispersion of the F-CDs as an advanced security ink for information encryption and anticounterfeiting; this is a feature that has not been reported before. This study is believed to open possibilities to extend stimuli-responsive optical materials to rarely exploited phosphorescence-relevant systems and applications, and also to provide a novel strategy to easily prepare URTP materials.
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Affiliation(s)
- Kai Jiang
- Key Laboratory of Graphene Technologies and Applications of Zhejiang Province, Ningbo Institute of Materials Technology & Engineering (NIMTE), Chinese Academy of Sciences, Ningbo, 315201, China
- State Key Laboratory of Coal Mine Disaster Dynamics and Control, Department of Applied Physics, Chongqing University, Chongqing, 400044, China
| | - Yuhui Wang
- Key Laboratory of Graphene Technologies and Applications of Zhejiang Province, Ningbo Institute of Materials Technology & Engineering (NIMTE), Chinese Academy of Sciences, Ningbo, 315201, China
| | - Congzhong Cai
- State Key Laboratory of Coal Mine Disaster Dynamics and Control, Department of Applied Physics, Chongqing University, Chongqing, 400044, China
| | - Hengwei Lin
- Key Laboratory of Graphene Technologies and Applications of Zhejiang Province, Ningbo Institute of Materials Technology & Engineering (NIMTE), Chinese Academy of Sciences, Ningbo, 315201, China
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72
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Jiang K, Wang Y, Gao X, Cai C, Lin H. Facile, Quick, and Gram‐Scale Synthesis of Ultralong‐Lifetime Room‐Temperature‐Phosphorescent Carbon Dots by Microwave Irradiation. Angew Chem Int Ed Engl 2018; 57:6216-6220. [DOI: 10.1002/anie.201802441] [Citation(s) in RCA: 305] [Impact Index Per Article: 50.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2018] [Indexed: 11/08/2022]
Affiliation(s)
- Kai Jiang
- State Key Laboratory of Coal Mine Disaster Dynamics and Control Department of Applied Physics Chongqing University Chongqing 400044 China
- Key Laboratory of Graphene Technologies and Applications of Zhejiang Province Ningbo Institute of Materials Technology & Engineering (NIMTE) Chinese Academy of Sciences Ningbo 315201 China
| | - Yuhui Wang
- Key Laboratory of Graphene Technologies and Applications of Zhejiang Province Ningbo Institute of Materials Technology & Engineering (NIMTE) Chinese Academy of Sciences Ningbo 315201 China
| | - Xiaolu Gao
- Key Laboratory of Graphene Technologies and Applications of Zhejiang Province Ningbo Institute of Materials Technology & Engineering (NIMTE) Chinese Academy of Sciences Ningbo 315201 China
| | - Congzhong Cai
- State Key Laboratory of Coal Mine Disaster Dynamics and Control Department of Applied Physics Chongqing University Chongqing 400044 China
| | - Hengwei Lin
- Key Laboratory of Graphene Technologies and Applications of Zhejiang Province Ningbo Institute of Materials Technology & Engineering (NIMTE) Chinese Academy of Sciences Ningbo 315201 China
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73
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Jiang K, Wang Y, Gao X, Cai C, Lin H. Facile, Quick, and Gram‐Scale Synthesis of Ultralong‐Lifetime Room‐Temperature‐Phosphorescent Carbon Dots by Microwave Irradiation. Angew Chem Int Ed Engl 2018. [DOI: 10.1002/ange.201802441] [Citation(s) in RCA: 30] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Affiliation(s)
- Kai Jiang
- State Key Laboratory of Coal Mine Disaster Dynamics and Control Department of Applied Physics Chongqing University Chongqing 400044 China
- Key Laboratory of Graphene Technologies and Applications of Zhejiang Province Ningbo Institute of Materials Technology & Engineering (NIMTE) Chinese Academy of Sciences Ningbo 315201 China
| | - Yuhui Wang
- Key Laboratory of Graphene Technologies and Applications of Zhejiang Province Ningbo Institute of Materials Technology & Engineering (NIMTE) Chinese Academy of Sciences Ningbo 315201 China
| | - Xiaolu Gao
- Key Laboratory of Graphene Technologies and Applications of Zhejiang Province Ningbo Institute of Materials Technology & Engineering (NIMTE) Chinese Academy of Sciences Ningbo 315201 China
| | - Congzhong Cai
- State Key Laboratory of Coal Mine Disaster Dynamics and Control Department of Applied Physics Chongqing University Chongqing 400044 China
| | - Hengwei Lin
- Key Laboratory of Graphene Technologies and Applications of Zhejiang Province Ningbo Institute of Materials Technology & Engineering (NIMTE) Chinese Academy of Sciences Ningbo 315201 China
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74
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Song W, Duan W, Liu Y, Ye Z, Chen Y, Chen H, Qi S, Wu J, Liu D, Xiao L, Ren C, Chen X. Ratiometric Detection of Intracellular Lysine and pH with One-Pot Synthesized Dual Emissive Carbon Dots. Anal Chem 2017; 89:13626-13633. [DOI: 10.1021/acs.analchem.7b04211] [Citation(s) in RCA: 178] [Impact Index Per Article: 25.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Affiliation(s)
- Wei Song
- State
Key Laboratory of Applied Organic Chemistry, Key Laboratory of Nonferrous
Metal Chemistry and Resources Utilization of Gansu Province, College
of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou 730000, People’s Republic of China
| | - Wenxiu Duan
- School
of Life Sciences, University of Science and Technology of China, Hefei, 230027, People’s Republic of China
| | - Yinghua Liu
- State
Key Laboratory of Applied Organic Chemistry, Key Laboratory of Nonferrous
Metal Chemistry and Resources Utilization of Gansu Province, College
of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou 730000, People’s Republic of China
| | - Zhongju Ye
- College
of Chemistry, Nankai University, Tianjin, 300071, People’s Republic of China
| | - Yonglei Chen
- State
Key Laboratory of Applied Organic Chemistry, Key Laboratory of Nonferrous
Metal Chemistry and Resources Utilization of Gansu Province, College
of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou 730000, People’s Republic of China
| | - Hongli Chen
- State
Key Laboratory of Applied Organic Chemistry, Key Laboratory of Nonferrous
Metal Chemistry and Resources Utilization of Gansu Province, College
of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou 730000, People’s Republic of China
| | - Shengda Qi
- State
Key Laboratory of Applied Organic Chemistry, Key Laboratory of Nonferrous
Metal Chemistry and Resources Utilization of Gansu Province, College
of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou 730000, People’s Republic of China
| | - Jiang Wu
- State
Key Laboratory of Applied Organic Chemistry, Key Laboratory of Nonferrous
Metal Chemistry and Resources Utilization of Gansu Province, College
of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou 730000, People’s Republic of China
| | - Dan Liu
- School
of Life Sciences, University of Science and Technology of China, Hefei, 230027, People’s Republic of China
| | - Lehui Xiao
- College
of Chemistry, Nankai University, Tianjin, 300071, People’s Republic of China
| | - Cuiling Ren
- State
Key Laboratory of Applied Organic Chemistry, Key Laboratory of Nonferrous
Metal Chemistry and Resources Utilization of Gansu Province, College
of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou 730000, People’s Republic of China
| | - Xingguo Chen
- State
Key Laboratory of Applied Organic Chemistry, Key Laboratory of Nonferrous
Metal Chemistry and Resources Utilization of Gansu Province, College
of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou 730000, People’s Republic of China
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75
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Gong X, Li Z, Hu Q, Zhou R, Shuang S, Dong C. N,S,P Co-Doped Carbon Nanodot Fabricated from Waste Microorganism and Its Application for Label-Free Recognition of Manganese(VII) and l-Ascorbic Acid and AND Logic Gate Operation. ACS APPLIED MATERIALS & INTERFACES 2017; 9:38761-38772. [PMID: 29024585 DOI: 10.1021/acsami.7b11170] [Citation(s) in RCA: 45] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
A novel fluorescent probe based on N,S,P codoped carbon nanodots (N,S,P-CNDSac) is very simple and quickly fabricated by a one-step hydrothermal pyrolysis of Saccharomyces cerevisiae and utilized for label-free and "on-off-on" sequential detection of manganese(VII) and l-ascorbic acid (l-AA). The fluorescence of N,S,P-CNDSac can be effectively quenched by Mn(VII) based on an inner filter effect (IFE) and recovered upon the addition of l-AA due to the easy conversion of Mn(VII) to reduced states (i.e., Mn(IV), Mn(II), and Mn(0)) by l-AA. This probe exhibited favorable selectivity and sensitivity toward Mn(VII) and l-AA with detection limits of 50 nmol/L and 1.2 μmol/L, respectively. Simultaneously, an "AND" logic gate based on the as-fabricated N,S,P-CNDSac has been constructed. Also, the as-proposed fluorescent probe was extended to detect Mn(VII) and l-AA in biosystems. Furthermore, the as-constructed fluorescent probe system was successfully applied to the analyses of Mn(VII) in tap water, Fenhe River water, and medicinal herb samples with satisfactory results. The proposed method is simple and easily accessible, demonstrating the great potential of N,S,P-CNDSac in biosensing, disease diagnosis, cellular labeling, and environmental monitoring.
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Affiliation(s)
- Xiaojuan Gong
- Institute of Environmental Science and School of Chemistry and Chemical Engineering, Shanxi University , Taiyuan 030006, P. R. China
| | - Zengbo Li
- Institute of Environmental Science and School of Chemistry and Chemical Engineering, Shanxi University , Taiyuan 030006, P. R. China
| | - Qin Hu
- Department of Chemistry, State University of New York at Buffalo , Buffalo, New York 14260, United States
| | - Ruixin Zhou
- Institute of Environmental Science and School of Chemistry and Chemical Engineering, Shanxi University , Taiyuan 030006, P. R. China
| | - Shaomin Shuang
- Institute of Environmental Science and School of Chemistry and Chemical Engineering, Shanxi University , Taiyuan 030006, P. R. China
| | - Chuan Dong
- Institute of Environmental Science and School of Chemistry and Chemical Engineering, Shanxi University , Taiyuan 030006, P. R. China
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76
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Bian W, Wang X, Wang Y, Yang H, Huang J, Cai Z, Choi MMF. Boron and nitrogen co-doped carbon dots as a sensitive fluorescent probe for the detection of curcumin. LUMINESCENCE 2017; 33:174-180. [DOI: 10.1002/bio.3390] [Citation(s) in RCA: 52] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2017] [Revised: 07/25/2017] [Accepted: 08/01/2017] [Indexed: 11/12/2022]
Affiliation(s)
- Wei Bian
- School of Basic Medical Science; Shanxi Medical University; Taiyuan People's Republic of China
| | - Xuan Wang
- College of Pharmacy; Shanxi Medical University; Taiyuan People's Republic of China
| | - Yakun Wang
- College of Pharmacy; Shanxi Medical University; Taiyuan People's Republic of China
| | - Haifen Yang
- College of Pharmacy; Shanxi Medical University; Taiyuan People's Republic of China
| | - Jialin Huang
- School of Basic Medical Science; Shanxi Medical University; Taiyuan People's Republic of China
| | - Zongwei Cai
- State Key Laboratory of Environmental and Biological Analysis; Hong Kong Baptist University; Kowloon Tong Hong Kong SAR People's Republic of China
| | - Martin M. F. Choi
- Acadia Divinity College; Acadia University; Wolfville Nova Scotia Canada
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77
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Chelation-enhanced fluorescence of phosphorus doped carbon nanodots for multi-ion detection. Mikrochim Acta 2017. [DOI: 10.1007/s00604-017-2196-1] [Citation(s) in RCA: 49] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
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78
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Gong X, Liu Y, Yang Z, Shuang S, Zhang Z, Dong C. An "on-off-on" fluorescent nanoprobe for recognition of chromium(VI) and ascorbic acid based on phosphorus/nitrogen dual-doped carbon quantum dot. Anal Chim Acta 2017; 968:85-96. [PMID: 28395778 DOI: 10.1016/j.aca.2017.02.038] [Citation(s) in RCA: 172] [Impact Index Per Article: 24.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2016] [Revised: 02/22/2017] [Accepted: 02/27/2017] [Indexed: 11/30/2022]
Abstract
Chromium (VI) [Cr(VI)] is a harsh environmental contaminates and has been proved to be highly toxic, carcinogenic and mutagenic. Therefore, developing an inexpensive, good selective and highly sensitive nanoprobe for the detection of Cr(VI) is in urgent demand. Recently, the highly fluorescent carbon quantum dots (CQDs) have been successfully utilized as efficient fluorescent nanoprobes for the detection of ions, pH and molecular substances. In this work, an "on-off" fluorescence phosphorus/nitrogen dual-doped CQDs (PNCQDs) probe was developed for the determination of Cr(VI) based on inner filter effect (IFE). The proposed PNCQDs nanoprobe shows its distinct merits of simplicity, convenience, fast implementation, good selectivity and high sensitivity towards Cr(VI), allowing its potential application in the determination of Cr(VI) in environment and biosystem. In addition, the chelation effect of the functional groups in reductant and Cr(VI), and the easy-conversion of Cr(VI) to reduced states (i.e. Cr(III) and Cr(0)) by reductants makes the minimization of IFE with a concomitant recovery of PNCQDs fluorescence possible. Hence, the PNCQDs/Cr(VI) hybrid was used as an "off-on" fluorescence probe for sensing ascorbic acid (AA), which is a model reductant. For the detection of Cr(VI), the linear range and the limit of detection achieved were 1.5-30 μmol/L and 23 nmol/L, respectively. For the detection of AA, the linear range and the limit of detection obtained were 5.0-200 μmol/L and 1.35 μmol/L, respectively. The as-constructed "on-off-on" PNCQDs fluorescent nanoprobe was successfully applied for detecting Cr(VI) and AA in biosystem. Furthermore, the as-constructed fluorescent sensing system was successfully applied to the analyses of AA in fresh fruits and in commercial fruit juices with satisfactory results.
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Affiliation(s)
- Xiaojuan Gong
- Institute of Environmental Science, School of Chemistry and Chemical Engineering, Shanxi University, Taiyuan 030006, China.
| | - Yang Liu
- Institute of Environmental Science, School of Chemistry and Chemical Engineering, Shanxi University, Taiyuan 030006, China
| | - Zhenhua Yang
- Institute of Environmental Science, School of Chemistry and Chemical Engineering, Shanxi University, Taiyuan 030006, China
| | - Shaomin Shuang
- Institute of Environmental Science, School of Chemistry and Chemical Engineering, Shanxi University, Taiyuan 030006, China
| | - Zeyu Zhang
- Faculty of Science, Beijing University of Chemical Technology, Beijing, 100029, China
| | - Chuan Dong
- Institute of Environmental Science, School of Chemistry and Chemical Engineering, Shanxi University, Taiyuan 030006, China.
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79
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Ye Q, Yan F, Luo Y, Wang Y, Zhou X, Chen L. Formation of N, S-codoped fluorescent carbon dots from biomass and their application for the selective detection of mercury and iron ion. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2017; 173:854-862. [PMID: 27816885 DOI: 10.1016/j.saa.2016.10.039] [Citation(s) in RCA: 88] [Impact Index Per Article: 12.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/06/2016] [Revised: 09/01/2016] [Accepted: 10/20/2016] [Indexed: 05/15/2023]
Abstract
Biomass is regarded as an excellent candidate for the preparation of heteroatom-doped carbon nanomaterials. We have developed a simple and facile one-pot synthesis of nitrogen and sulfur codoped fluorescent carbon dots from pigeon feathers, egg and manure via the pyrolysis carbonization method. The as-prepared four PCDs have high fluorescence quantum yield about 24.87% (PCDs-f), 17.48% (PCDs-w), 16.34% (PCDs-y), 33.50% (PCDs-m), respectively, which is higher than the other carbon dots preparing from biomass. We found that the preparation of PCDs-m with pigeon manure has no favourable selectively with heavy metal ions. However, other PCDs exhibit highly sensitive and selective detection behavior of Hg2+/Fe3+ ions with a low detection limit of 10.3 and 60.9nM. They were applied to imaging of human umbilical vein endothelial cells, showing low cytotoxicity and good biocompatibility.
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Affiliation(s)
- Qianghua Ye
- State Key Laboratory of Separation Membranes and Membrane Processes, School of Environmental and Chemical Engineering, Tianjin Polytechnic University, Tianjin 300387, China
| | - Fanyong Yan
- State Key Laboratory of Separation Membranes and Membrane Processes, School of Environmental and Chemical Engineering, Tianjin Polytechnic University, Tianjin 300387, China.
| | - Yunmei Luo
- Department of Pharmacology, Key Laboratory for Basic Pharmacology of Ministry of Education, Zunyi Medical College, China
| | - Yinyin Wang
- School of Environmental and Chemical Engineering, Tianjin Polytechnic University, Tianjin 300387, China
| | - Xuguang Zhou
- State Key Laboratory of Separation Membranes and Membrane Processes, School of Environmental and Chemical Engineering, Tianjin Polytechnic University, Tianjin 300387, China.
| | - Li Chen
- State Key Laboratory of Separation Membranes and Membrane Processes, School of Environmental and Chemical Engineering, Tianjin Polytechnic University, Tianjin 300387, China
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80
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Dually emissive P,N-co-doped carbon dots for fluorescent and photoacoustic tissue imaging in living mice. Mikrochim Acta 2017. [DOI: 10.1007/s00604-017-2108-4] [Citation(s) in RCA: 67] [Impact Index Per Article: 9.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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81
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Liu X, Liu J, Zheng B, Yan L, Dai J, Zhuang Z, Du J, Guo Y, Xiao D. N-Doped carbon dots: green and efficient synthesis on a large-scale and their application in fluorescent pH sensing. NEW J CHEM 2017. [DOI: 10.1039/c7nj01889d] [Citation(s) in RCA: 45] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A green and efficient anhydrous method was developed to synthesize nitrogen doped carbon dots (N-CDs) on a large-scale, and the N-CDs exhibited excellent reversible pH-sensitive property.
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Affiliation(s)
- Xiaoxia Liu
- College of Chemistry
- Sichuan University
- Chengdu 610064
- China
| | - Jinrong Liu
- College of Chemistry
- Sichuan University
- Chengdu 610064
- China
| | - Baozhan Zheng
- College of Chemistry
- Sichuan University
- Chengdu 610064
- China
| | - Lei Yan
- School of Criminal Investigation
- Southwest University of Political Science and Law
- Chongqing 401120
- China
| | - Jianyuan Dai
- College of Chemistry
- Sichuan University
- Chengdu 610064
- China
| | - Zhenjing Zhuang
- School of Biomedical Sciences
- Huaqiao University
- Quanzhou 362021
- China
| | - Juan Du
- College of Chemistry
- Sichuan University
- Chengdu 610064
- China
| | - Yong Guo
- College of Chemistry
- Sichuan University
- Chengdu 610064
- China
| | - Dan Xiao
- College of Chemistry
- Sichuan University
- Chengdu 610064
- China
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82
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Atchudan R, Edison TNJI, Lee YR. Nitrogen-doped carbon dots originating from unripe peach for fluorescent bioimaging and electrocatalytic oxygen reduction reaction. J Colloid Interface Sci 2016; 482:8-18. [PMID: 27479911 DOI: 10.1016/j.jcis.2016.07.058] [Citation(s) in RCA: 158] [Impact Index Per Article: 19.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2016] [Revised: 07/22/2016] [Accepted: 07/22/2016] [Indexed: 12/25/2022]
Abstract
This paper reports the robust hydrothermal synthesis of nitrogen doped carbon dots (N-CDs) using the unripe fruit of Prunus persica (peach) as the carbon precursor and aqueous ammonia as the nitrogen source. The optical properties of synthesized N-CDs were characterized by ultraviolet visible (UV-Vis) and fluorescence spectroscopy techniques. The synthesized N-CDs were emitted blue light when excitated with a portable UV lamp. The materials with the optical properties were characterized further by high resolution transmission electron microscope (HRTEM), X-ray diffraction (XRD), Raman, Fourier transform infrared (FT-IR) and X-ray photoelectron spectroscopy (XPS). The mean size of the N-CDs was approximately 8nm, as calculated from the HRTEM image. The d-spacing of N-CDs, calculated using Bragg law, was approximately 0.21nm, which was consistent with the interlayer distance calculated from the HRTEM image. FT-IR spectroscopy and XPS revealed the presence of the phytoconstituents functionalities of peach fruit over the N-CDs surface and a high level of nitrogen doping on carbon dots (CDs) was confirmed by XPS studies. These results suggest that the unripe fruit extract of peach is an ideal candidate for the preparation of N-CDs. The resulting N-CDs showed excellent optical properties in water. The synthesized N-CDs exhibited a high fluorescence quantum yield and low cytotoxicity, and can be used as fluorescence imaging probes. In addition, the N-CDs were catalytically activite towards the oxygen reduction reaction (ORR). The N-CDs exhibited good catalytic activity in an alkaline medium (0.1M KOH) with a remarkable ORR of approximately 0.72V vs reversible hydrogen electrode (RHE), and O2 reduction follows mainly a 2 electron pathway by being reduced to hydrogen peroxide. The 2-electron reduction pathway is used in industry for H2O2 production.
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Affiliation(s)
- Raji Atchudan
- School of Chemical Engineering, Yeungnam University, Gyeongsan 38541, Republic of Korea
| | | | - Yong Rok Lee
- School of Chemical Engineering, Yeungnam University, Gyeongsan 38541, Republic of Korea.
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83
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Hou J, Wang W, Zhou T, Wang B, Li H, Ding L. Synthesis and formation mechanistic investigation of nitrogen-doped carbon dots with high quantum yields and yellowish-green fluorescence. NANOSCALE 2016; 8:11185-93. [PMID: 27180833 DOI: 10.1039/c6nr02701f] [Citation(s) in RCA: 90] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/19/2023]
Abstract
Heteroatom doped carbon dots (CDs) have received increasing attention due to their unique properties and related applications. However, previously reported CDs generally show strong emission only in the blue-light region, thus restricting their further applications. And the fundamental investigation on the preparation process is always neglected. Herein, we have developed a simple and solvent-free synthetic strategy to fabricate nitrogen-doped CDs (N-CDs) from citric acid and dicyandiamide. The as-prepared N-CDs exhibited a uniform size distribution, strong yellowish-green fluorescence emission and a high quantum yield of 73.2%. The products obtained at different formation stages were detailedly characterized by transmission electron microscopy, X-ray diffraction spectrometer, X-ray photoelectron spectroscopy and UV absorbance spectroscopy. A possible formation mechanism has thus been proposed including dehydration, polymerization and carbonization. Furthermore, the N-CDs could serve as a facile and label-free probe for the detection of iron and fluorine ions with detection limits of 50 nmol L(-1) and 75 nmol L(-1), respectively.
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Affiliation(s)
- Juan Hou
- College of Chemistry, Jilin University, 2699 Qianjin Street, Changchun 130012, PR China. dinglan@ jlu.edu.cn
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84
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Gong X, Zhang Q, Gao Y, Shuang S, Choi MMF, Dong C. Phosphorus and Nitrogen Dual-Doped Hollow Carbon Dot as a Nanocarrier for Doxorubicin Delivery and Biological Imaging. ACS APPLIED MATERIALS & INTERFACES 2016; 8:11288-97. [PMID: 27088972 DOI: 10.1021/acsami.6b01577] [Citation(s) in RCA: 158] [Impact Index Per Article: 19.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/22/2023]
Abstract
Innovative phosphorus and nitrogen dual-doped hollow carbon dots (PNHCDs) have been fabricated for anticancer drug delivery and biological imaging. The functional groups of PNHCDs are introduced by simply mixing glucose, 1,2-ethylenediamine, and concentrated phosphoric acid. This is an automatic method without external heat treatment to rapidly produce large quantities of PNHCDs, which avoid high temperature, complicated operations, and long reaction times. The as-prepared PNHCDs possess small particle size, hollow structure, and abundant phosphate/hydroxyl/pyridinic/pyrrolic-like N groups, endowing PNHCDs with fluorescent properties, improving the accuracy of PNHCDs as an optical monitoring code both in vitro and in vivo. The investigation of PNHCDs as an anticancer drug nanocarrier for doxorubicin (DOX) indicates a better antitumor efficacy than free DOX owing to its enhanced nuclear delivery in vitro and tumor accumulation in vivo, which results in highly effective tumor growth inhibition and improved targeted therapy for cancer in clinical medicine.
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Affiliation(s)
- Xiaojuan Gong
- Institute of Environmental Science, and School of Chemistry and Chemical Engineering, Shanxi University , Taiyuan 030006, P. R. China
| | - Qingyan Zhang
- Institute of Environmental Science, and School of Chemistry and Chemical Engineering, Shanxi University , Taiyuan 030006, P. R. China
| | - Yifang Gao
- Institute of Environmental Science, and School of Chemistry and Chemical Engineering, Shanxi University , Taiyuan 030006, P. R. China
| | - Shaomin Shuang
- Institute of Environmental Science, and School of Chemistry and Chemical Engineering, Shanxi University , Taiyuan 030006, P. R. China
| | - Martin M F Choi
- Acadia University , 15 University Avenue, Wolfville, Nova Scotia B4P 2R6, Canada
| | - Chuan Dong
- Institute of Environmental Science, and School of Chemistry and Chemical Engineering, Shanxi University , Taiyuan 030006, P. R. China
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85
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Sharma V, Saini AK, Mobin SM. Multicolour fluorescent carbon nanoparticle probes for live cell imaging and dual palladium and mercury sensors. J Mater Chem B 2016; 4:2466-2476. [PMID: 32263196 DOI: 10.1039/c6tb00238b] [Citation(s) in RCA: 64] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Carbon based nanomaterials are emerging as a desirable alternative to semiconducting quantum dots due to their unique optical properties and biocompatibility. The present study demonstrates the design and synthesis of highly fluorescent carbon nanoparticles (CNPs). The CNPs are investigated for their biocompatibility and henceforth successfully employed as promising multicolor bioimaging probes in A375 and DU145 cell lines. Furthermore, a "turn off" mode has been established for the detection of noble metal palladium (Pd2+) and heavy metal mercury (Hg2+) by quenching the fluorescence of CNPs. The CNP sensor responded to the detection of Pd2+ (5-100 μM) and Hg2+ (1-18 μM) in a wide range with the limit of detection (LOD) of 58 nM for Pd2+ and 100 nM for Hg2+. The CNP sensor was employed for the detection of Pd2+ and Hg2+ in real water samples and detection of leftover palladium catalysts in a model reaction system. Also, the CNPs were successfully employed as intracellular mercury and palladium sensors using confocal microscopy.
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Affiliation(s)
- Vinay Sharma
- Centre for Biosciences and Bio-Medical Engineering, Indian Institute of Technology Indore, Simrol, Indore-452020, India.
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86
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Kumar VB, Sheinberger J, Porat Z, Shav-Tal Y, Gedanken A. A hydrothermal reaction of an aqueous solution of BSA yields highly fluorescent N doped C-dots used for imaging of live mammalian cells. J Mater Chem B 2016; 4:2913-2920. [DOI: 10.1039/c6tb00519e] [Citation(s) in RCA: 39] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
In the current study, we present a new and facile synthesis of N doped C-dots (N@C-dots) by hydrothermally reacting an aqueous solution of Bovine Serum Albumin (BSA) for imaging of live mammalian cells.
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Affiliation(s)
- Vijay Bhooshan Kumar
- Department of Chemistry and Bar-Ilan Institute for Nanotechnology & Advanced Materials
- Bar Ilan University
- Ramat-Gan 52900
- Israel
| | - Jonathan Sheinberger
- Mina and Everard Goodman Faculty of Life Sciences & Institute of Nanotechnology
- Bar-Ilan University
- Ramat Gan 52900
- Israel
| | - Zeev Porat
- Division of Chemistry
- Nuclear Research Center-Negev
- Be'er-Sheva 84190
- Israel
- Institutes of Applied Research
| | - Yaron Shav-Tal
- Mina and Everard Goodman Faculty of Life Sciences & Institute of Nanotechnology
- Bar-Ilan University
- Ramat Gan 52900
- Israel
| | - Aharon Gedanken
- Department of Chemistry and Bar-Ilan Institute for Nanotechnology & Advanced Materials
- Bar Ilan University
- Ramat-Gan 52900
- Israel
- Department of Materials Science & Engineering
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87
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Liu J, Chen Y, Wang W, Feng J, Peng S, Ma S, Chen H, Chen X. Effective synthesis of highly fluorescent nitrogen doped carbon nanoparticles for selective sensing of Hg2+ in food and cosmetics samples. RSC Adv 2016. [DOI: 10.1039/c6ra20861d] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
The as prepared N-doped CNPs could serve as an effective fluorescent sensing probe for Hg2+ detection.
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Affiliation(s)
- Juanjuan Liu
- State Key Laboratory of Applied Organic Chemistry
- Lanzhou University
- Lanzhou 730000
- China
- Department of Chemistry
| | - Yonglei Chen
- State Key Laboratory of Applied Organic Chemistry
- Lanzhou University
- Lanzhou 730000
- China
- Department of Chemistry
| | - Weifeng Wang
- State Key Laboratory of Applied Organic Chemistry
- Lanzhou University
- Lanzhou 730000
- China
- Department of Chemistry
| | - Jie Feng
- State Key Laboratory of Applied Organic Chemistry
- Lanzhou University
- Lanzhou 730000
- China
- Department of Chemistry
| | - Shoujiao Peng
- State Key Laboratory of Applied Organic Chemistry
- Lanzhou University
- Lanzhou 730000
- China
- Department of Chemistry
| | - Sudai Ma
- State Key Laboratory of Applied Organic Chemistry
- Lanzhou University
- Lanzhou 730000
- China
- Department of Chemistry
| | - Hongli Chen
- State Key Laboratory of Applied Organic Chemistry
- Lanzhou University
- Lanzhou 730000
- China
- Department of Chemistry
| | - Xingguo Chen
- State Key Laboratory of Applied Organic Chemistry
- Lanzhou University
- Lanzhou 730000
- China
- Department of Chemistry
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88
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Kumar VB, Tang J, Lee KJ, Pol VG, Gedanken A. In situ sonochemical synthesis of luminescent Sn@C-dots and a hybrid Sn@C-dots@Sn anode for lithium-ion batteries. RSC Adv 2016. [DOI: 10.1039/c6ra09926b] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022] Open
Abstract
A facile sonochemical approach is employed for the in situ formation of Sn@C-dots via ultrasonic irradiation of polyethylene glycol (PEG) as a solvent with molten tin and its decomposition.
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Affiliation(s)
- Vijay Bhooshan Kumar
- Department of Chemistry and Bar-Ilan Institute for Nanotechnology & Advanced Materials
- Bar Ilan University
- Israel
| | - Jialiang Tang
- School of Chemical Engineering
- Purdue University
- West Lafayette
- USA
| | - Kay Jangweon Lee
- School of Chemical Engineering
- Purdue University
- West Lafayette
- USA
| | - Vilas G. Pol
- School of Chemical Engineering
- Purdue University
- West Lafayette
- USA
| | - Aharon Gedanken
- Department of Chemistry and Bar-Ilan Institute for Nanotechnology & Advanced Materials
- Bar Ilan University
- Israel
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89
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Sun X, Brückner C, Lei Y. One-pot and ultrafast synthesis of nitrogen and phosphorus co-doped carbon dots possessing bright dual wavelength fluorescence emission. NANOSCALE 2015; 7:17278-82. [PMID: 26445399 DOI: 10.1039/c5nr05549k] [Citation(s) in RCA: 109] [Impact Index Per Article: 12.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/09/2023]
Abstract
Very brief microwave heating of aniline, ethylene diamine, and phosphoric acid in water at ambient pressure generated nitrogen and phosphorus co-doped carbon dots (N,P-CDs) that exhibit bright dual blue (centred at 450 nm; 51% quantum yield) and green (centred at 510 nm, 38% quantum yield) fluorescence emission bands. The N,P-CDs were characterized using TEM, XRD, XPS, IR, UV-vis, and fluorescence spectroscopy, demonstrating their partially crystalline carbon, partially amorphous structures, and the incorporation of O, N, and P into the carbogenic scaffold. The N,P-CDs demonstrated excitation-dependent and nearly pH-independent emission properties. The unique dual emission properties lay the foundation for the use of N,P-CDs in ratiometric sensing applications.
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Affiliation(s)
- Xiangcheng Sun
- Department of Chemical and Biomolecular Engineering, University of Connecticut, 191 Auditorium Road, Unit 3222, Storrs, CT 06269, USA.
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