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Deng W, Li S, Zhou M, Zheng M, Wang P, An Y. Ratiometric peptide-based fluorescent probe with large Stokes shift for detection of Hg 2+ and S 2- and its applications in cells imaging and smartphone-assisted recognition. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2024; 315:124306. [PMID: 38640624 DOI: 10.1016/j.saa.2024.124306] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/08/2024] [Revised: 03/26/2024] [Accepted: 04/15/2024] [Indexed: 04/21/2024]
Abstract
In this work, a new ratiometric fluorescent probe DKA was synthesized based on the double sides of lysine backbone conjugated with alanine and dansyl groups. DKA exhibited fluorescence ratiometric response for Hg2+ with high sensitivity (13.4 nM), specific selectivity (only Hg2+), strong anti-interference ability (no interference), fast recognition (within 60 s) and wide pH range (5-10). The stoichiometry of binding of DKA and Hg2+ was determined to be 1:1 via Job's plot, ESI-HRMS and 1HNMR titration analysis. Subsequently, the in situ formation of DKA-Hg2+ complex was used for highly selective detection of S2- as a novel fluorescence "on-off" probe, and the lowest detection limit for S2- was 12.9 nM. In addition, DKA possessed excellent cells permeation and low toxicity, and fluorescence imaging of Hg2+ and S2- was performed in living Hacat cells. Most importantly, the digital imaging using a smartphone color recognition APP indicated that DKA could semi-quantitatively and visually detected Hg2+ and S2- without expensive equipment.
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Affiliation(s)
- Weiliang Deng
- Chemical Synthesis and Pollution Control Key Laboratory of Sichuan Province, College of Chemistry and Chemical Engineering, China West Normal University, Shida Road 1#, Nanchong 637009, PR China
| | - Shiyang Li
- Chemical Synthesis and Pollution Control Key Laboratory of Sichuan Province, College of Chemistry and Chemical Engineering, China West Normal University, Shida Road 1#, Nanchong 637009, PR China
| | - Miao Zhou
- Chemical Synthesis and Pollution Control Key Laboratory of Sichuan Province, College of Chemistry and Chemical Engineering, China West Normal University, Shida Road 1#, Nanchong 637009, PR China
| | - Maoyue Zheng
- Chemical Synthesis and Pollution Control Key Laboratory of Sichuan Province, College of Chemistry and Chemical Engineering, China West Normal University, Shida Road 1#, Nanchong 637009, PR China
| | - Peng Wang
- Chemical Synthesis and Pollution Control Key Laboratory of Sichuan Province, College of Chemistry and Chemical Engineering, China West Normal University, Shida Road 1#, Nanchong 637009, PR China.
| | - Yong An
- The First School of Clinical Medicine, Gansu University of Chinese Medicine, Lanzhou, Gansu 730030, PR China.
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Zhang Y, Lei C, Dong P, Fu P, Zhang Y, Hua R. Green synthesis of carbon dots from fish scales for selective turn off-on detection of glutathione. RSC Adv 2024; 14:3578-3587. [PMID: 38259998 PMCID: PMC10802901 DOI: 10.1039/d3ra07444g] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2023] [Accepted: 01/03/2024] [Indexed: 01/24/2024] Open
Abstract
Carbon dots as fluorescent probes were fabricated using readily available grass carp fish scales as the carbon source via one-step synthesis based on a pyrolytic reaction. The as-prepared grass carp fish scale carbon dots (GF-CDs) exhibited good biocompatibility and excellent optical properties with a high fluorescence quantum yield of 23.8%. Glutathione (GSH) is an essential small tri-peptide molecule present in every body cell and plays a crucial role in vivo and performs a wide range of biological functions. Ag+ can effectively quench the fluorescence of GF-CDs because of the electron transfer between GF-CDs and Ag+; however, the addition of GSH can significantly increase GF-CD-Ag+ fluorescence. Because of their combination with Ag+ and GSH, GF-CDs show selective fluorescence recovery. GF-CDs can serve as fluorescent probes for GSH detection. This detection method covered a wide linear range (1.6-36.0 μg mL-1) with the lowest detection limit of 0.77 μg mL-1 and manifested great advantages such as a short analysis time, good stability, repeatability, and ease of operation.
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Affiliation(s)
- Yi Zhang
- Xinxiang Key Laboratory of Inflammation and Immunology, School of Medical Technology, Xinxiang Medical University Xinxiang 453003 Henan P. R. China +86 373 3029977 +86 373 3029977
| | - Chunyu Lei
- Xinxiang Key Laboratory of Inflammation and Immunology, School of Medical Technology, Xinxiang Medical University Xinxiang 453003 Henan P. R. China +86 373 3029977 +86 373 3029977
| | - Ping Dong
- Xinxiang Key Laboratory of Inflammation and Immunology, School of Medical Technology, Xinxiang Medical University Xinxiang 453003 Henan P. R. China +86 373 3029977 +86 373 3029977
| | - Peiyang Fu
- Xinxiang Key Laboratory of Inflammation and Immunology, School of Medical Technology, Xinxiang Medical University Xinxiang 453003 Henan P. R. China +86 373 3029977 +86 373 3029977
| | - Yun Zhang
- Xinxiang Key Laboratory of Inflammation and Immunology, School of Medical Technology, Xinxiang Medical University Xinxiang 453003 Henan P. R. China +86 373 3029977 +86 373 3029977
| | - Ruifang Hua
- Xinxiang Key Laboratory of Inflammation and Immunology, School of Medical Technology, Xinxiang Medical University Xinxiang 453003 Henan P. R. China +86 373 3029977 +86 373 3029977
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Plaisathit D, Setthakarn K, Sirirak J, Swanglap P, Kamkaew A, Maitarad P, Burgess K, Wanichacheva N. Novel near-infrared Aza-BODIPY-based fluorescent and colorimetric sensor for highly selective detection of Au3+ in aqueous media, human skin and brain cells. J Photochem Photobiol A Chem 2023. [DOI: 10.1016/j.jphotochem.2023.114713] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/04/2023]
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Huang W, Wang L, Long D, Liu X. Colorimetric determination and recycling of gold(III) ions using label-free plasmonic H 0.3MoO 3 nanoparticles. Mikrochim Acta 2023; 190:245. [PMID: 37249686 DOI: 10.1007/s00604-023-05826-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2023] [Accepted: 05/04/2023] [Indexed: 05/31/2023]
Abstract
A low-cost and environment-friendly sensor was developed for visual determination of gold ions (Au3+) by using label-free hydrogen doped molybdenum oxide (H0.3MoO3) nanoparticles as ratio probes. According to the characterization results of transmission electron microscopy, scanning electron microscopy, X-ray powder diffraction, and Fourier transform infrared spectra, Au3+ is easily reduced to red Au nanoparticles (AuNPs) by blue H0.3MoO3 nanoparticles. The color change of the solution depends on the concentration of Au3+, which makes it possible to detect Au3+ visually. Under optimal experimental conditions of pH 4.6, H0.3MoO3 nanoparticles concentration of 0.075 mg·mL-1, and reaction time of 7 min, the sensor offers a satisfactory determination range from 0.5 to 70 μM and a good determination limit of 0.45 μM for Au3+. The concentration of Au3+ as low as 10 μM can be directly distinguished through the naked eye. Additionally, the colorimetric probe has also been proved applicable in environmental water samples. More importantly, the resulting AuNPs have good stability and oxidase-like activity, which may be directly used in sensing, catalysis, energy, and other fields.
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Affiliation(s)
- Wei Huang
- National Circular Economy Engineering Laboratory, College of Chemical Engineering, Sichuan University of Science & Engineering, Zigong, 643000, P. R. China.
| | - Long Wang
- National Circular Economy Engineering Laboratory, College of Chemical Engineering, Sichuan University of Science & Engineering, Zigong, 643000, P. R. China
| | - Dengying Long
- National Circular Economy Engineering Laboratory, College of Chemical Engineering, Sichuan University of Science & Engineering, Zigong, 643000, P. R. China
| | - Xiaonan Liu
- National Circular Economy Engineering Laboratory, College of Chemical Engineering, Sichuan University of Science & Engineering, Zigong, 643000, P. R. China.
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5
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Ding C, Xing H, Guo X, Yuan H, Li C, Zhang X, Jia X. Tea-derived carbon dots with two ratiometric fluorescence channels for the independent detection of Hg 2+ and H 2O. ANALYTICAL METHODS : ADVANCING METHODS AND APPLICATIONS 2023; 15:1998-2005. [PMID: 37039155 DOI: 10.1039/d2ay01768g] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/19/2023]
Abstract
Ratiometric fluorescence carbon dots (CDs) that serve as probes have attracted more attention on account of their unique optical properties, low toxicity, anti-interference, and internal reference. However, the facile fabrication of CDs with the aim of detecting multiple targets through mutually independent response channels is always a challenge. Herein, multifunctional label-free N-doped ratiometric fluorescence CDs (N-CDs) are developed from tea leaves extract and o-phenylenediamine by a mild solvothermal method. The prepared N-CDs are tailored with nitrogen- and oxygen-containing functional groups on the surface and contribute to splendid hydrophilia. Two completely independent ratiometric fluorescence channels of N-CDs, respectively, respond to Hg2+ and H2O in a mutually independent manner. Based on the interactions of N-Hg and O-Hg, N-CDs achieve an excellently sensitive and selective detection for Hg2+ in the channel of I387 nm/I351 nm, giving a linear relationship in the range of 0-50 μM. Also, a wide range of Hg2+ concentration (0-100 μM) is linear to A374 nm through UV-vis assay. Otherwise, the linear determination of H2O content (0-30%) is realized in another channel (Igreen/Iblue). The good performance in the independent testing of Hg2+ and H2O, demonstrate that the proposed N-CDs have potential in multifunctional detection.
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Affiliation(s)
- Chuanlu Ding
- School of Chemistry and Chemical Engineering, State Key Laboratory Incubation Base for Green Processing of Chemical Engineering, Shihezi University, Shihezi 832003, People's Republic of China.
| | - Hao Xing
- School of Chemistry and Chemical Engineering, State Key Laboratory Incubation Base for Green Processing of Chemical Engineering, Shihezi University, Shihezi 832003, People's Republic of China.
| | - Xuhong Guo
- School of Chemistry and Chemical Engineering, State Key Laboratory Incubation Base for Green Processing of Chemical Engineering, Shihezi University, Shihezi 832003, People's Republic of China.
- State Key Laboratory of Chemical Engineering, East China University of Science and Technology, Shanghai 200237, People's Republic of China
| | - Huihui Yuan
- Shanghai Key Laboratory of Functional Materials Chemistry, School of Chemistry & Molecular Engineering, East China University of Science and Technology, Shanghai 200237, China
| | - Cuihua Li
- School of Chemistry and Chemical Engineering, State Key Laboratory Incubation Base for Green Processing of Chemical Engineering, Shihezi University, Shihezi 832003, People's Republic of China.
| | - Xiulan Zhang
- School of Chemistry and Chemical Engineering, State Key Laboratory Incubation Base for Green Processing of Chemical Engineering, Shihezi University, Shihezi 832003, People's Republic of China.
| | - Xin Jia
- School of Chemistry and Chemical Engineering, State Key Laboratory Incubation Base for Green Processing of Chemical Engineering, Shihezi University, Shihezi 832003, People's Republic of China.
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Khan WU, Qin L, Chen L, Khan WU, Zeb S, Khan A, Li S, Khan SU, Kamal S, Zhou P. High biocompatible nitrogen and sulfur Co-doped carbon dots for Hg(II) detection and their long-term biological stability in living cells. Anal Chim Acta 2023; 1245:340847. [PMID: 36737134 DOI: 10.1016/j.aca.2023.340847] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2022] [Revised: 01/07/2023] [Accepted: 01/16/2023] [Indexed: 01/18/2023]
Abstract
Fluorescent carbon dots have been highly reported nanomaterials in recent times because of their excellent physio-chemical properties and various field of applications. Herein, a one-step hydrothermal approach was used to synthesize high biocompatible nitrogen and sulfur co-doped carbon dots, and examined their chemical sensing (Hg2+) and biological imaging properties. The N,S-CDs exhibited blue light, demonstrating a high quantum yield of up to 44.5% and excitation-independent fluorescent characteristics. Cytotoxicity was observed by CCK-8 assay using T-ca cells as a target source. Cell viability was recorded over 80% even after 7 days of treatment with a concentration up to 400 μg/mL, indicating low-toxicity of N,S-CDs. Notably, the bright blue fluorescence of N,S-CDs was quenched by introducing toxic Hg2+ ions into the solution. The detection limit was calculated to be about ∼3.5 nM, which is quite impressive compared to previous reports. Because of their low-toxicity, nano-size, and environment friendly properties, N,S-CDs could be excellent fluorescent agents for bio-imaging applications. The biological stability of fluorescent N,S-CDs was tested over time, and the findings were significant even after 8 days of incubation with T-ca cells. Because of good biocompatibility and bright fluorescence, N,S-CDs were suitable for in vivo imaging.
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Affiliation(s)
- Waheed Ullah Khan
- Institute for Advanced Study, and School of Physics and Optoelectronics Engineering, Shenzhen University, Shenzhen, 518060, PR China.
| | - Liying Qin
- School of Stomatology, Lanzhou University, Lanzhou, 730000, PR China
| | - Lixin Chen
- School of Stomatology, Lanzhou University, Lanzhou, 730000, PR China
| | - Wasim Ullah Khan
- State Key Laboratory of Optoelectronic Materials and Technologies, School of Materials Science and Engineering, Sun Yat-Sen University, Guangzhou, 510273, PR China.
| | - Shah Zeb
- Institute for Advanced Study, and School of Physics and Optoelectronics Engineering, Shenzhen University, Shenzhen, 518060, PR China
| | - Asaf Khan
- State Key Laboratory of Optoelectronic Materials and Technologies, School of Materials Science and Engineering, Sun Yat-Sen University, Guangzhou, 510273, PR China
| | - Shengzhen Li
- School of Stomatology, Lanzhou University, Lanzhou, 730000, PR China
| | - Salim Ullah Khan
- Department of Chemistry, University of Science and Technology Bannu, and Degree Collage Sikander Khel Bala, Bannu 28100, KPK, Pakistan
| | - Sajid Kamal
- Environment Research Institute, Shandong University, Qingdao, 226237, PR China
| | - Ping Zhou
- School of Stomatology, Lanzhou University, Lanzhou, 730000, PR China.
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Chen S, Hao Y, Li R, Liu Y, Li J, Geng L. N-doped carbon dots as the multifunctional fluorescent probe for mercury ion, glutathione and pH detection. NANOTECHNOLOGY 2023; 34:125501. [PMID: 36548986 DOI: 10.1088/1361-6528/acade7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/24/2022] [Accepted: 12/22/2022] [Indexed: 06/17/2023]
Abstract
Recently, carbon dots (CDs) have exhibited promising applications in the fluorescence detection of various ions and biomolecules. In this work, one kind of nitrogen-doped CDs (N-CDs) with high fluorescence intensity was synthesized, characterized by transmission electron microscopy, x-ray diffraction, x-ray photoelectron spectroscopy, Fourier-transform infrared, UV-vis absorption spectra, and fluorescence spectra. The results show that the spherical and uniform N-CDs (quantum yield: 60.2%) have remarkable fluorescence properties and photostability, which makes N-CDs can be utilized as an 'on-off-on' sensor for Hg2+and glutathione (GSH). In addition, the pH-sensitive behavior of N-CDs makes it also applicable to H+detection under acid conditions (pKa = 3.53). The linear range of the 'turn-off' sensor detecting Hg2+was 0.014-50μM, with a 0.014μM limit of detection (LOD). GSH was detected by the fluorescence 'turn-on' method with a linear range of 0.125-60μM and a LOD of 0.125μM. The outstanding performance of N-CDs makes it potential applications in ecological pollution and biomolecule visualization monitoring.
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Affiliation(s)
- Shenna Chen
- College of Chemistry and Material Science, Hebei Key Laboratory of Organic Functional Molecules, Hebei Normal University, Shijiazhuang 050024, People's Republic of China
| | - Yunping Hao
- College of Chemistry and Material Science, Hebei Key Laboratory of Organic Functional Molecules, Hebei Normal University, Shijiazhuang 050024, People's Republic of China
| | - Ronghui Li
- College of Chemistry and Material Science, Hebei Key Laboratory of Organic Functional Molecules, Hebei Normal University, Shijiazhuang 050024, People's Republic of China
| | - Yanxu Liu
- College of Chemistry and Material Science, Hebei Key Laboratory of Organic Functional Molecules, Hebei Normal University, Shijiazhuang 050024, People's Republic of China
| | - Jinxia Li
- School of Information Technology, Hebei University of Economics and Business, Shijiazhuang 050061, People's Republic of China
| | - Lina Geng
- College of Chemistry and Material Science, Hebei Key Laboratory of Organic Functional Molecules, Hebei Normal University, Shijiazhuang 050024, People's Republic of China
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Zhang G, Yao C, Li YL, Guan Y, Hu R, Yang Y. Target-induced inner-filter effect-based ratiometric sensing platform by fluorescence modulation of persistent luminescent nanoparticles and 2, 3-diaminophenazine. NEW J CHEM 2022. [DOI: 10.1039/d2nj02056d] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A ratiometric fluorescence sensing platform with smartphone was designed for highly sensitive detection of glutathione (GSH), ascorbic acid (AA), and alkaline phosphatase (ALP) activity by modulation the inner filter effect...
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Bai H, Chen W, Yang J, Cao Y, Yu J, Zhao H, Zhou H, Jin X. Green synthesis of orange emissive carbon dots for the detection of Ag +and their application via solid-phase sensing and security ink. NANOTECHNOLOGY 2021; 33:035709. [PMID: 34638108 DOI: 10.1088/1361-6528/ac2f25] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/07/2021] [Accepted: 10/12/2021] [Indexed: 06/13/2023]
Abstract
Fluorescent carbon dots (CDs) have attracted considerable interest due to their superior optical properties and facile preparation. In this work, O-phenylenediamine and melamine were used as precursors for the one-step hydrothermal synthesis of novel orange emissive CDs (O-CDs) in an aqueous solution. The fluorescence intensity (580 nm) of the O-CDs exhibited a good linear relationship with Ag+in the range of 0.0-50.0μM with the detection limit of 0.289μM. Moreover, the O-CDs were successfully used to determine Ag+in biological samples (Hela cells) because of their low cytotoxicity, and good biocompatibility. Besides, the O-CDs-doped solid-phase detection materials (test paper and hydrogel) were employed to monitor Ag+qualitatively and quantitatively, indicated that the O-CDs had a great capacity for the detection of Ag+in biological and environmental areas. Based on their extraordinary fluorescence property, the O-CDs could also be used as security ink. Overall, based on their excellent fluorescent performance, the CDs in this study have significant potential for practical application toward solid-phase sensing and security ink.
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Affiliation(s)
- Haiyan Bai
- School of Materials and Chemical Engineering, Xi'an Technological University, Xi'an 710032, Shaanxi, People's Republic of China
| | - Weixing Chen
- School of Materials and Chemical Engineering, Xi'an Technological University, Xi'an 710032, Shaanxi, People's Republic of China
| | - Jin Yang
- School of Materials and Chemical Engineering, Xi'an Technological University, Xi'an 710032, Shaanxi, People's Republic of China
| | - Yixin Cao
- School of Materials and Chemical Engineering, Xi'an Technological University, Xi'an 710032, Shaanxi, People's Republic of China
| | - Jiajia Yu
- School of Materials and Chemical Engineering, Xi'an Technological University, Xi'an 710032, Shaanxi, People's Republic of China
| | - Huaqi Zhao
- School of Materials and Chemical Engineering, Xi'an Technological University, Xi'an 710032, Shaanxi, People's Republic of China
| | - Hongwei Zhou
- School of Materials and Chemical Engineering, Xi'an Technological University, Xi'an 710032, Shaanxi, People's Republic of China
| | - Xilang Jin
- School of Materials and Chemical Engineering, Xi'an Technological University, Xi'an 710032, Shaanxi, People's Republic of China
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