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Lu G, Jia Z, Yu M, Zhang M, Xu C. A Ratiometric Fluorescent Sensor Based on Chelation-Enhanced Fluorescence of Carbon Dots for Zinc Ion Detection. Molecules 2023; 28:7818. [PMID: 38067546 PMCID: PMC10708225 DOI: 10.3390/molecules28237818] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2023] [Revised: 11/18/2023] [Accepted: 11/22/2023] [Indexed: 12/18/2023] Open
Abstract
Zinc ion, one of the most important transition metal ions in living organisms, plays a crucial role in the homeostasis of the organism. The disorder of zinc is associated with many major diseases. It is highly desirable to develop selective and sensitive methods for the real-time detection of zinc ions. In this work, double-emitting fluorescent carbon dots (CDs) are prepared by a solvothermal method using glutathione, L-aspartic acid, and formamide as the raw materials. The carbon dots specifically recognize zine ions and produce a decrease in fluorescence intensity at 684 nm and an increase at 649 nm, leading to a ratiometric fluorescent sensor for zinc detection. Through surface modification and spectral analysis, the surface groups including carboxyl, carbonyl, hydroxyl, and amino groups, and C=N in heterocycles of CDs are revealed to synergistically coordinate Zn2+, inducing the structural changes in the emission site. The CDs can afford a low limit of detection of ~5 nM for Zn2+ detection with good linearity in the range of 0.02-5 μM, showing good selectivity as well. The results from real samples including fetal bovine serum, milk powder, and zinc gluconate oral solution indicated the good applicability of the CDs in the determination of Zn2+.
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Affiliation(s)
- Guangrong Lu
- Department of Gastroenterology, The Second Affiliated Hospital, Yuying Children’s Hospital of Wenzhou Medical University, Wenzhou 325000, China;
| | - Zhenzhen Jia
- School of Basic Medical Sciences, Health Science Center, Xi’an Jiaotong University, Xi’an 710061, China; (Z.J.); (M.Y.)
| | - Mengdi Yu
- School of Basic Medical Sciences, Health Science Center, Xi’an Jiaotong University, Xi’an 710061, China; (Z.J.); (M.Y.)
| | - Mingzhen Zhang
- School of Basic Medical Sciences, Health Science Center, Xi’an Jiaotong University, Xi’an 710061, China; (Z.J.); (M.Y.)
| | - Changlong Xu
- Department of Gastroenterology, The Second Affiliated Hospital, Yuying Children’s Hospital of Wenzhou Medical University, Wenzhou 325000, China;
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2
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Zhang X, Liu W, Yang M, Li Z. The Fabrication and Mechanism of a Crystalline Organic Fluorescent Probe Based on Photoinduced Electron Transfer. Molecules 2023; 28:6774. [PMID: 37836617 PMCID: PMC10574209 DOI: 10.3390/molecules28196774] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2023] [Revised: 09/08/2023] [Accepted: 09/20/2023] [Indexed: 10/15/2023] Open
Abstract
The response performances of the crystalline organic fluorescence probe are highly dependent on the long-range ordered arrangement of crystalline structure. Herein, a novel organic crystalline fluorescent probe with a high quantum yield was established through the rapid self-assembly of 1,2,4,5-Tetrakis (4-carboxyphenyl) benzene (H4TCPB) and DMF molecules. Each H4TCPB, which connects to four DMF molecules through hydrogen bonds, acts as the structural unit. The building units are packed by π-π, lone pair···π, and lone pair···lone pair interactions to form solid-state crystalline materials. H4TCPB·4DMF exhibits distinct blue fluorescent under UV light, while the quantum yield is as high as 89.02% and the fluorescence lifetime is 1.95 ns. The H4TCPB·4DMF nanocrystal exhibits a specific fluorescence quench sensibility to tetracycline (TC), compared with the common chemicals and ions in environmental water. Moreover, the test results can be obtained quickly and are easily visible to the naked eye. The limit of detection for TC is as low as 12 nM in an aqueous solution. Spectral analysis and density functional theory (DFT) theoretical calculations were used to explain the fluorescence quenching mechanism of H4TCPB·4DMF toward TC, which could be attributed to the photoinduced electron transfer occurring from H4TCPB·4DMF to TC. Our work enriches the database of crystalline luminescent materials and provides theoretical support for the design and mechanical studies of organic fluorescent probes.
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Affiliation(s)
- Xinxin Zhang
- School of Environmental and Material Engineering, Yantai University, Yantai 264005, China; (X.Z.); (M.Y.)
| | - Wei Liu
- School of Mechanical & Electrical Engineering, Henan University of Technology, Zhengzhou 450001, China;
| | - Mei Yang
- School of Environmental and Material Engineering, Yantai University, Yantai 264005, China; (X.Z.); (M.Y.)
| | - Zhongyue Li
- School of Environmental and Material Engineering, Yantai University, Yantai 264005, China; (X.Z.); (M.Y.)
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Shi Z, Hu B, Ge S, Chi B, Yan X, Zheng X. Facile preparation of bimetallic Au-Cu nanoclusters as fluorescent nanoprobes for sensitive detection of Cr 3+ and S 2O 82- ions. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2023; 301:122855. [PMID: 37301031 DOI: 10.1016/j.saa.2023.122855] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/21/2023] [Revised: 05/08/2023] [Accepted: 05/09/2023] [Indexed: 06/12/2023]
Abstract
Metallic nanoclusters (NCs) have attracted special attention from researchers due to their interesting optical properties. In this experiment, we proposed a facile one-step method for the synthesis of bimetallic gold-copper nanoclusters (AuCuNCs). The prepared AuCuNCs were characterized by fluorescence spectroscopy (FL), UV-vis absorption spectrum, transmission electron microscopy (TEM), etc. The emission peak of the prepared AuCuNCs was located at 455 nm and showed blue luminescence under the excitation of 365 nm UV light. Furthermore, after the addition of Cr3+ and S2O82- ions, the FL emission intensity of AuCuNCs was significantly reduced at 455 nm and there was a color change of diminished blue luminescence under UV lamp. The AuCuNCs exhibited excellent linearity and sensitivity for the detection of Cr3+ and S2O82- ions. The limits of detection (LOD) for the Cr3+ and S2O82- ions were calculated to be 1.5 and 0.037 μM, respectively. Finally, the recoveries of Cr3+ and S2O82- ions in Runxi Lake and tap water were measured by standard addition recovery test and were 96.66 ∼ 116.29 %, 95.75 ∼ 119.4 %.
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Affiliation(s)
- Zhiying Shi
- School of Chemistry and Chemical Engineering, Nanchang University, Nanchang 330031, China
| | - Bangyang Hu
- School of Chemistry and Chemical Engineering, Nanchang University, Nanchang 330031, China
| | - Shengya Ge
- School of Chemistry and Chemical Engineering, Nanchang University, Nanchang 330031, China
| | - Baozhu Chi
- School of Chemistry and Chemical Engineering, Nanchang University, Nanchang 330031, China
| | - Xiluan Yan
- School of Chemistry and Chemical Engineering, Nanchang University, Nanchang 330031, China; College of Pharmacy, Nanchang University, Nanchang 330031, China.
| | - Xiangjuan Zheng
- School of Chemistry and Chemical Engineering, Nanchang University, Nanchang 330031, China.
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Ni J, Kong L, Tang M, Song Y, Zhao J, Wang W, Sun T, Wang Y, Wang L. Sensitive visual detection of intracellular zinc ions based on signal-on polydopamine carbon dots. NANOTECHNOLOGY 2022; 33:185502. [PMID: 35062011 DOI: 10.1088/1361-6528/ac4dc1] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/23/2021] [Accepted: 01/21/2022] [Indexed: 06/14/2023]
Abstract
The concentration of intracellular zinc ions is a significant clinical parameter for diagnosis. However, it is still a challenge for direct visual detection of zinc ions in cells at single-cell level. To address this issue, herein, water-soluble amino-rich polydopamine carbon quantum dots (PDA-CQDs) were successfully synthesized, with strong blue-green fluorescence as the probes for zinc ions detection in cells. The structure and properties of PDA-CQDs were confirmed by transmission electron microscopy (TEM), X-ray diffraction (XRD), Fourier transformed infrared (FT-IR), UV-visible spectrophotometry (UV-vis), and fluorescence spectroscopy. Importantly, by successfully linking salicylaldehyde (SA) to PDA-CQDs via nucleophilic reaction, the FL quenching and Zn ions induced FL-recovering system was built up, thus offering a signal-on platform for the detection of zinc ions. This PDA-CQDs-SA nanoprobe can be applied for the detection of Zn2+with a detection limit of 0.09μM, with good biocompatibility confirmed using cytotoxicity assay. Of significance, the results of fluorescence bioimaging showed that PDA-CQDs-SA is able to detect Zn2+in single-cell visually, with the detection limit of Zn ions in cells as low as 0.11μM per cell, which was confirmed using flow cytometry. Therefore, this work offers a potential probe for Zn2+detection in cells at single-cell level, towards the precise diagnosis of zinc ions related diseases.
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Affiliation(s)
- Jiatong Ni
- Key Laboratory of Forest Plant Ecology, Ministry of Education, Engineering Research Center of Forest Bio-Preparation, College of Chemistry, Chemical Engineering and Resource Utilization, Northeast Forestry University, Harbin 150040, People's Republic of China
| | - Lixiang Kong
- Key Laboratory of Forest Plant Ecology, Ministry of Education, Engineering Research Center of Forest Bio-Preparation, College of Chemistry, Chemical Engineering and Resource Utilization, Northeast Forestry University, Harbin 150040, People's Republic of China
| | - Minglu Tang
- Key Laboratory of Forest Plant Ecology, Ministry of Education, Engineering Research Center of Forest Bio-Preparation, College of Chemistry, Chemical Engineering and Resource Utilization, Northeast Forestry University, Harbin 150040, People's Republic of China
| | - Yan Song
- Key Laboratory of Forest Plant Ecology, Ministry of Education, Engineering Research Center of Forest Bio-Preparation, College of Chemistry, Chemical Engineering and Resource Utilization, Northeast Forestry University, Harbin 150040, People's Republic of China
| | - Junge Zhao
- Key Laboratory of Forest Plant Ecology, Ministry of Education, Engineering Research Center of Forest Bio-Preparation, College of Chemistry, Chemical Engineering and Resource Utilization, Northeast Forestry University, Harbin 150040, People's Republic of China
| | - Wenxin Wang
- Key Laboratory of Forest Plant Ecology, Ministry of Education, Engineering Research Center of Forest Bio-Preparation, College of Chemistry, Chemical Engineering and Resource Utilization, Northeast Forestry University, Harbin 150040, People's Republic of China
| | - Tiedong Sun
- Key Laboratory of Forest Plant Ecology, Ministry of Education, Engineering Research Center of Forest Bio-Preparation, College of Chemistry, Chemical Engineering and Resource Utilization, Northeast Forestry University, Harbin 150040, People's Republic of China
| | - Ying Wang
- Key Laboratory of Forest Plant Ecology, Ministry of Education, Engineering Research Center of Forest Bio-Preparation, College of Chemistry, Chemical Engineering and Resource Utilization, Northeast Forestry University, Harbin 150040, People's Republic of China
| | - Lei Wang
- School of Chemistry and Chemical Engineering, Harbin Institute of Technology, Harbin 150001, People's Republic of China
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Liu P, Han XF, Wu WN, Wang Y, Fan YC, Zhao XL, Xu ZH. A water soluble hydrazone probe for subsequent fluorescent detection of Zn2+ and S2− in neat aqueous solution and imaging in mitochondria of living cells. J Mol Struct 2022. [DOI: 10.1016/j.molstruc.2021.131629] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
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Mote US, Gore AH, Panja SK, Kolekar GB. Effect of Various Aqueous Extracting Agents on Fluorescence Properties of Waste Tea Residue Derived Carbon Dots (WTR-CDs): Comparative Spectroscopic Analysis. LUMINESCENCE 2022; 37:440-447. [PMID: 34994075 DOI: 10.1002/bio.4190] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2021] [Revised: 12/20/2021] [Accepted: 12/26/2021] [Indexed: 11/05/2022]
Abstract
Fluorescent carbon dots are one of the important carbonaceous nanomaterials in the area of nanoscience and nanotechnology because of their interesting physical as well as chemical properties. Herein we studied the effect of various aqueous extracting agents on fluorescence properties of waste tea residue-based carbon dots (WTR-CDs). WTR-CDs are firstly synthesized by utilizing kitchen waste-based carbonaceous biomass. To check the role of various aqueous media during the course of WTR-CDs synthesis from carbonized carbon powder, extraction of WTR-CDs was carried out in kinds of aqueous media viz., only aqueous (100 % water), aqueous-alcoholic (10% ethanol), aqueous-acidic (10% acetic acid), and aqueous-basic (10% Ammonia). The consequences of extracting agents on the photophysical properties of final WTR-CDs-WT, WTR-CDs-AA, WTR-CDs-ET and WTR-CDs-AM were also discussed in detail. We have observed interesting blue shift fluorescence spectra in acidic medium for WTR-CDs-AA and polar protic solvents compared to polar aprotic medium. The solvatochromic behavior of WTR-CDs-WT in model polar and non-polar solvent was also studied. The effect of cationic, anionic and non-anionic surfactants on the fluorescence of WTR-CDs-WT was also evaluated. The proposed finding may help in the near future to the researchers for fast, easy and direct synthesize CDs from a variety of biomass-based precursors under different aqueous conditions.
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Affiliation(s)
- Umesh S Mote
- Department of Chemistry, KarmaveerBhaurao Patil College, Urun-Islampur, Tal. Walwa, Dist. Sangli, Maharashtra, India
| | - Anil H Gore
- Fluorescence Spectroscopy Research Laboratory, Department of Chemistry, Shivaji University, Kolhapur, Maharashtra, India.,Department of Chemistry, UkaTarsadia University, Bardoli-Mahuva, Road, Tarsadi, Gujar, India
| | - Sumit Kumar Panja
- Department of Chemistry, UkaTarsadia University, Bardoli-Mahuva, Road, Tarsadi, Gujar, India
| | - Govind B Kolekar
- Fluorescence Spectroscopy Research Laboratory, Department of Chemistry, Shivaji University, Kolhapur, Maharashtra, India
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Liu J, Wang T, Wang Z, Zou X, Wang W, Zhang S, Gong Z. Ratiometric fluorescent probe for tetracycline detection based on waste printing paper. LUMINESCENCE 2021; 36:1553-1560. [PMID: 34089633 DOI: 10.1002/bio.4100] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2021] [Revised: 06/01/2021] [Accepted: 06/02/2021] [Indexed: 12/30/2022]
Abstract
Tetracycline (TC) is a broad-spectrum antibiotic used to treat bacterial infections. In this study, a ratiometric fluorescence (FL) probe was developed to detect TC in water samples using waste printing paper extract as a FL indicator. For this ratiometric probe, the emission of printing paper extract at 436 nm gradually decreased and the emission of a mixed solution at 538 nm significantly increased with the sequential addition of TC upon excitation at 390 nm, coupled with a marked FL colour change from bright blue to faint yellow. Therefore, a ratiometric F538 /F436 FL probe was created for TC detection by simply mixing the printing paper extraction and TC. Under the optimized conditions, a linear range from 1 to 100 μM and a detection limit of 0.48 μM (S/N = 3) for TC were obtained. Importantly, the FL probe can be easily prepared with rapid response, high sensitivity, and good selectivity. The application of waste printing paper extract for detection of TC in environmental water samples was demonstrated.
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Affiliation(s)
- Jing Liu
- Faculty of Geosciences and Environmental Engineering, Southwest Jiaotong University, Chengdu, China
| | - Tengfei Wang
- Faculty of Geosciences and Environmental Engineering, Southwest Jiaotong University, Chengdu, China
| | - Zhaoli Wang
- Chengdu Academy of Environmental Sciences, Chengdu, China
| | - Xue Zou
- Faculty of Geosciences and Environmental Engineering, Southwest Jiaotong University, Chengdu, China
| | - Wenjun Wang
- Faculty of Geosciences and Environmental Engineering, Southwest Jiaotong University, Chengdu, China
| | - Shengli Zhang
- Faculty of Geosciences and Environmental Engineering, Southwest Jiaotong University, Chengdu, China
| | - Zhengjun Gong
- Faculty of Geosciences and Environmental Engineering, Southwest Jiaotong University, Chengdu, China.,State-province Joint Engineering Laboratory of Spatial Information Technology of High-Speed Rail Safety, Chengdu, China
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8
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Hu Y, Ji W, Sun J, Liu X, Zhou R, Yan J, Zhang N. Simple and eco-friendly synthesis of crude orange-peel-derived carbon nanoparticles for detection of Fe 3+ and ascorbic acid. LUMINESCENCE 2021; 36:1385-1394. [PMID: 33942474 DOI: 10.1002/bio.4064] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2020] [Revised: 03/15/2021] [Accepted: 04/25/2021] [Indexed: 01/23/2023]
Abstract
Although fluorescence sensors based on carbon dots (CDs) have been developed widely, multicomponent detection using CDs without extra and tedious surface modification remains a challenge. Here, the crude carbon nanoparticles (CPs) as a fluorescence sensor were prepared through one-pot hydrothermal process using orange peel as the precursor. The method was simple, rapid, economical, and eco-friendly given that such extra steps as dialysis and lyophilization were not required. By adding ethanol into the reaction solvent, the fluorescence properties of orange-peel-derived CPs as well as their sensitivity of detecting Fe3+ with a limit of detection of 0.25 μM were improved. Additionally, orange-peel-derived CPs could be used as a fluorescence sensor for detection of ascorbic acid (AA) with a LOD of 5 μM. More importantly, the proposed fluorescence methods were successfully used to qualitatively and quantitatively analyze Fe3+ and AA in real samples. Recovery of Fe3+ from tap water was within the range 97.2-105.4%. Conversely, recovery of AA from vitamin C tablets and orange juices laid within the ranges 97.7-99.3% and 93.2-97.6%, respectively.
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Affiliation(s)
- Yuanyuan Hu
- Medical College, China Three Gorges University, Yichang, China.,Third-grade Pharmacological Laboratory on Traditional Chinese Medicine (Approved by State Administration of Traditional Chinese Medicine of China, SATCM), China Three Gorges University, Yichang, China
| | - Wenxuan Ji
- Medical College, China Three Gorges University, Yichang, China
| | - Junxuan Sun
- Medical College, China Three Gorges University, Yichang, China
| | - Xingyue Liu
- Medical College, China Three Gorges University, Yichang, China
| | - Run Zhou
- Medical College, China Three Gorges University, Yichang, China
| | - Jiaying Yan
- College of Materials and Chemical Engineering, China Three Gorges University, Yichang, China.,Key Laboratory of Inorganic Nonmetallic Crystalline and Energy Conversion Materials, China Three Gorges University, Yichang, China
| | - Nuonuo Zhang
- College of Materials and Chemical Engineering, China Three Gorges University, Yichang, China.,Key Laboratory of Inorganic Nonmetallic Crystalline and Energy Conversion Materials, China Three Gorges University, Yichang, China
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