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Shi Y, Zhu Y, Sun J, Yin H, Yin J. SERS detection of thiram using a 3D sea cucumber-like composite flexible porous substrate. Analyst 2024. [PMID: 39193646 DOI: 10.1039/d4an00610k] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/29/2024]
Abstract
Nowadays, trace detection of thiram is in urgent demand due to its widespread application in agriculture and significant harmful effects on public health. In this work, a three-dimensional (3D) sea cucumber-like flexible porous surface-enhanced Raman scattering (SERS) substrate composed of a poly(vinylidene fluoride) (PVDF) membrane, ZnO nanorods, gold films, and Ag nanoparticles (Ag/Au/ZnO/P) has been established for the highly sensitive detection of thiram. The substrate takes advantage of the 3D morphology of the Ag/Au/ZnO system on a flexible porous PVDF membrane to produce abundant plasmonic hot spots. Meanwhile, the employment of an AgNPs/Au shell system combined the benefits of both gold and silver metals, thus guaranteeing stable and sensitive detection. With 4-mercaptobenzoic acid (4-MBA) as a probe molecule, the Ag/Au/ZnO/P substrate exhibited excellent linear detection in the range of 10-11-10-5 M, with a correlation coefficient (R2) of 0.99 and an enhancement cofactor of 7.09 × 107. The substrate exhibited excellent uniformity with a related standard deviation (RSD) value of 3.82% and demonstrated high stability during a 15 d-storage test. In addition, the substrate could detect thiram in an aqueous solution at concentrations as low as 10-10 M with excellent selectivity. Meanwhile, thiram on the surface of apple peel could be easily detected by the Ag/Au/ZnO/P substrate with the "paste-and-peel" method in less than 10 s, and the detection limit could be as low as 0.48 ng cm-2. Overall, the remarkable performance of the Ag/Au/ZnO/P SERS substrate demonstrated its great potential for the environmental monitoring of thiram.
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Affiliation(s)
- Yimeng Shi
- School of Biomedical Engineering (Suzhou), Division of Life Sciences and Medicine, University of Science and Technology of China, Suzhou, Jiangsu 215163, PR China.
- CAS Key Lab of Bio-Medical Diagnostics, Suzhou Institute of Biomedical Engineering and Technology, Chinese Academy of Sciences, Suzhou, Jiangsu 215163, PR China
| | - Yan Zhu
- CAS Key Lab of Bio-Medical Diagnostics, Suzhou Institute of Biomedical Engineering and Technology, Chinese Academy of Sciences, Suzhou, Jiangsu 215163, PR China
- Key Laboratory of Integrated Regulation and Resource Development on Shallow Lake of Ministry of Education, College of Environment, Hohai University, Nanjing, Jiangsu 210098, PR China
| | - Jiaojiao Sun
- CAS Key Lab of Bio-Medical Diagnostics, Suzhou Institute of Biomedical Engineering and Technology, Chinese Academy of Sciences, Suzhou, Jiangsu 215163, PR China
| | - Huancai Yin
- School of Biomedical Engineering (Suzhou), Division of Life Sciences and Medicine, University of Science and Technology of China, Suzhou, Jiangsu 215163, PR China.
- CAS Key Lab of Bio-Medical Diagnostics, Suzhou Institute of Biomedical Engineering and Technology, Chinese Academy of Sciences, Suzhou, Jiangsu 215163, PR China
| | - Jian Yin
- School of Biomedical Engineering (Suzhou), Division of Life Sciences and Medicine, University of Science and Technology of China, Suzhou, Jiangsu 215163, PR China.
- CAS Key Lab of Bio-Medical Diagnostics, Suzhou Institute of Biomedical Engineering and Technology, Chinese Academy of Sciences, Suzhou, Jiangsu 215163, PR China
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Zhang Y, Sun S, Wu Y, Chen F. Emerging Roles of Graphitic Carbon Nitride-based Materials in Biomedical Applications. ACS Biomater Sci Eng 2024; 10:4645-4661. [PMID: 39086282 DOI: 10.1021/acsbiomaterials.4c00053] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/02/2024]
Abstract
Graphite carbon nitride (g-C3N4) is a two-dimensional conjugated polymer with a unique energy band structure similar to graphene. Due to its outstanding analytical advantages, such as relatively small band gap (2.7 eV), low-cost synthesis, high thermal stability, excellent photocatalytic ability, and good biocompatibility, g-C3N4 has attracted the interest of researchers and industry, especially in the medical field. This paper summarizes the latest research on g-C3N4-based composites in various biomedical applications, including therapy, diagnostic imaging, biosensors, antibacterial, and wearable devices. In addition, the application prospects and possible challenges of g-C3N4 in nanomedicine are also discussed in detail. This review is expected to inspire emerging biomedical applications based on g-C3N4.
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Affiliation(s)
- Yue Zhang
- Key Laboratory of Pathobiology, Ministry of Education, Nanomedicine and Translational Research Center, China-Japan Union Hospital of Jilin University, Changchun 130033, Jilin, P. R. China
| | - Shuang Sun
- Key Laboratory of Pathobiology, Ministry of Education, Nanomedicine and Translational Research Center, China-Japan Union Hospital of Jilin University, Changchun 130033, Jilin, P. R. China
| | - Yuanyu Wu
- Department of Gastrointestinal, Colorectal and Anal Surgery, China-Japan Union Hospital of Jilin University, Changchun 130033, Jilin, P. R. China
| | - Fangfang Chen
- Key Laboratory of Pathobiology, Ministry of Education, Nanomedicine and Translational Research Center, China-Japan Union Hospital of Jilin University, Changchun 130033, Jilin, P. R. China
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Xue W, Fu J, Zhang Y, Ren S, Liu G. A core-shell structured AuNPs@ZnCo-MOF SERS substrate for sensitive and selective detection of thiram. ANALYTICAL METHODS : ADVANCING METHODS AND APPLICATIONS 2024; 16:1811-1820. [PMID: 38450563 DOI: 10.1039/d4ay00164h] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 03/08/2024]
Abstract
Surface-enhanced Raman scattering (SERS) enables pesticide residue monitoring to become facile and efficient. In this study, a core-shell structured gold nanoparticles@ZnCo metal-organic framework (AuNPs@ZnCo-MOF) SERS substrate was designed and successfully synthesized for efficient and selective detection of thiram. The bimetallic ZnCo-MOF shell can not only enrich the targeted molecules in the electromagnetic field because of its excellent absorptive capacity, but also act as a stabilized matrix for protecting the AuNPs from aggregation. The AuNPs@ZnCo-MOFs exhibited a high enhancement factor (EF) of 3.51 × 106 and a low detection limit of 1 × 10-7 mol L-1. Besides, the substrate material showed exceptional stability for up to 28 days at room temperature. The AuNPs@ZnCo-MOFs were used to detect thiram which displayed wide linearity (1 × 10-7 to 1 × 10-4 mol L-1) and high recoveries (83.45-99.61%). Moreover, the AuNPs@ZnCo-MOF SERS substrate exhibited excellent anti-interference ability and size selectivity for the target molecules. These indicate that the AuNPs@ZnCo-MOF substrate has great potential for the detection of thiram residues in practical applications.
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Affiliation(s)
- Wenxia Xue
- Key Laboratory of Oil and Gas Fine Chemicals Ministry of Education & Xinjiang Uyghur Autonomous Region, School of Chemical Engineering and Technology, Xinjiang University, Urumqi 830017, Xinjiang, China.
| | - Jihong Fu
- Key Laboratory of Oil and Gas Fine Chemicals Ministry of Education & Xinjiang Uyghur Autonomous Region, School of Chemical Engineering and Technology, Xinjiang University, Urumqi 830017, Xinjiang, China.
| | - Yaxue Zhang
- Key Laboratory of Oil and Gas Fine Chemicals Ministry of Education & Xinjiang Uyghur Autonomous Region, School of Chemical Engineering and Technology, Xinjiang University, Urumqi 830017, Xinjiang, China.
| | - Shuxian Ren
- Key Laboratory of Oil and Gas Fine Chemicals Ministry of Education & Xinjiang Uyghur Autonomous Region, School of Chemical Engineering and Technology, Xinjiang University, Urumqi 830017, Xinjiang, China.
| | - Guoqi Liu
- Key Laboratory of Oil and Gas Fine Chemicals Ministry of Education & Xinjiang Uyghur Autonomous Region, School of Chemical Engineering and Technology, Xinjiang University, Urumqi 830017, Xinjiang, China.
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Zhang Q, Zhang Z, Xu S, Liu A, Da L, Lin D, Jiang C. Photoinduced Electron Transfer-Triggered g-C 3N 4\Rhodamine B Sensing System for the Ratiometric Fluorescence Quantitation of Carbendazim. Anal Chem 2023; 95:4536-4542. [PMID: 36826375 DOI: 10.1021/acs.analchem.2c05691] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/25/2023]
Abstract
Assays for carbendazim (Car) with high sensitivity and on-site screening have been urgently required to protect the ecosystem and prevent disease. In this work, a simple, sensitive, and reliable sensing system based on photoinduced electron transfer was established to detect carbendazim utilizing ultrathin graphitic carbon nitride (g-C3N4) nanosheets and rhodamine B (RB). Carbendazim reacts with g-C3N4 by electrostatic interactions to form π-π stacking, and the quenching of the blue fluorescence is caused by electron transfer. While RB works as a reference fluorescence sensor without any fluorescence change, leading to obvious ratiometric fluorescence variation from blue to purple. Under optimal conditions, a favorable linear range from 20 to 180 nM was obtained, with a low detection limit of 5.89 nM. In addition, a portable smartphone sensing platform was successfully used for carbendazim detection in real samples with excellent anti-interference capability, demonstrating the potential applications of carbendazim monitoring.
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Affiliation(s)
- Qianru Zhang
- Institute of Solid State Physics, Hefei Institutes of Physical Science, Chinese Academy of Sciences, Hefei, Anhui 230031, China.,Department of Chemistry, University of Science and Technology of China, Hefei 230026, China.,School of Chemistry and Materials Engineering, Huainan Normal University, Huainan, Anhui 232038, China
| | - Zhong Zhang
- Institute of Solid State Physics, Hefei Institutes of Physical Science, Chinese Academy of Sciences, Hefei, Anhui 230031, China
| | - Shihao Xu
- Institute of Solid State Physics, Hefei Institutes of Physical Science, Chinese Academy of Sciences, Hefei, Anhui 230031, China
| | - Anqi Liu
- Institute of Solid State Physics, Hefei Institutes of Physical Science, Chinese Academy of Sciences, Hefei, Anhui 230031, China
| | - Liangguo Da
- School of Chemistry and Materials Engineering, Huainan Normal University, Huainan, Anhui 232038, China
| | - Dan Lin
- Institute of Solid State Physics, Hefei Institutes of Physical Science, Chinese Academy of Sciences, Hefei, Anhui 230031, China.,State Key Laboratory of Transducer Technology, Chinese Academy of Sciences, Hefei, Anhui 230031, China
| | - Changlong Jiang
- Institute of Solid State Physics, Hefei Institutes of Physical Science, Chinese Academy of Sciences, Hefei, Anhui 230031, China.,State Key Laboratory of Transducer Technology, Chinese Academy of Sciences, Hefei, Anhui 230031, China
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Two-dimensional g-C3N4 nanosheets-based photo-catalysts for typical sustainable processes. CHINESE CHEM LETT 2023. [DOI: 10.1016/j.cclet.2023.108306] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/12/2023]
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A ratiometric fluorescent sensing system for the selective and ultrasensitive detection of pesticide residues via the synergetic effects of copper nanoclusters and carbon quantum dots. Food Chem 2022; 379:132139. [DOI: 10.1016/j.foodchem.2022.132139] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2021] [Revised: 01/06/2022] [Accepted: 01/10/2022] [Indexed: 12/29/2022]
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Ag nanocubes monolayer-modified PDMS as flexible SERS substrates for pesticides sensing. Mikrochim Acta 2022; 189:232. [PMID: 35614151 DOI: 10.1007/s00604-022-05328-z] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2022] [Accepted: 04/30/2022] [Indexed: 10/18/2022]
Abstract
A new approach is presented to fabricate flexible surface-enhanced Raman scattering (SERS) substrate of Ag nanocubes monolayer-modified polydimethylsiloxane (Ag NCs/PDMS) through a powerful three-phase interface self-assemble method. The morphologies and crystal structures were characterized by scanning electron microscopy and X-ray diffraction. The self-assembled Ag NCs/PDMS substrate exhibited high SERS activity and good signal homogeneity, which was successfully used for quantitative detection of thiram; the detection limit reached 10 ng/mL, and the linear range is 10-1000 ng/mL. Furthermore, the flexible SERS substrates were successfully employed to detect thiram residues on factual apple samples, and trace amount (1 ng/cm2) of thiram residues was detected on apple peels. The excellent SERS detection ability of self-assembled Ag NCs/PDMS substrate indicated that it will play an important role in pesticide detection in the future.
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Ren HX, Qian ZJ, Li M, Peng CF, Wang ZP, Wei XL, Xu JG. Mesoporous silica-loaded gold nanocluster with enhanced fluorescence and ratiometric fluorescent detection of thiram in foods. Mikrochim Acta 2021; 188:363. [PMID: 34606019 DOI: 10.1007/s00604-021-05028-0] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2021] [Accepted: 09/13/2021] [Indexed: 01/31/2023]
Abstract
A core-shell QDs@mSiO2@y-AuNCs nanoprobe was prepared, and a new ratiometric fluorescent sensor for thiram detection was developed. The mechanism of thiram sensing was investigated using FTIR, surface-enhanced Raman, XPS spectra, etc. The sensing of thiram was mainly ascribed to the formation of Au-S bonds between thiram and Au atoms on y-AuNCs surface, resulting in the dissociation of 11-MUA ligand from the y-AuNCs surface and the charge transfer between thiram and y-AuNCs. In the ratiometric fluorescence detection of thiram based on QDs@mSiO2@y-AuNCs, a linear range of 0.5-60 ng/mL was obtained with a LOD of 0.19 ng/mL. Compared with the fluorescence detection based on y-AuNCs, the ratiometric fluorescence detection of thiram demonstrated 3-fold enhanced sensitivity. The improvement was ascribed to two aspects: the fluorescence emission of y-AuNCs was enhanced after they were loaded onto the QDs@mSiO2 nanoparticles; the ratiometric detection mode provided more precise sensing. The detection of thiram can be completed immediately after mixing the nanoprobe with thiram. Good recoveries of thiram in apple and pear samples were achieved. All the above results demonstrated the high potential of this method in practical applications.
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Affiliation(s)
- Hong-Xin Ren
- State Key Laboratory of Food Science and Technology, Jiangnan University, Lihu Road 1800, Wuxi, 214122, P. R, China
- School of Food Science and Technology, Jiangnan University, Lihu Road 1800, Wuxi, 214122, P. R, China
| | - Zhi-Juan Qian
- Nanjing Customs District Light Industry Products and Children's Products Inspection Center, Yangzhou, 225009, P. R, China
| | - Min Li
- State Key Laboratory of Food Science and Technology, Jiangnan University, Lihu Road 1800, Wuxi, 214122, P. R, China
- School of Food Science and Technology, Jiangnan University, Lihu Road 1800, Wuxi, 214122, P. R, China
| | - Chi-Fang Peng
- State Key Laboratory of Food Science and Technology, Jiangnan University, Lihu Road 1800, Wuxi, 214122, P. R, China.
- School of Food Science and Technology, Jiangnan University, Lihu Road 1800, Wuxi, 214122, P. R, China.
- International Joint Laboratory On Food Safety, Jiangnan University, Lihu Road, 1800, Wuxi, 214122, P. R, China.
| | - Zhou-Ping Wang
- State Key Laboratory of Food Science and Technology, Jiangnan University, Lihu Road 1800, Wuxi, 214122, P. R, China
- School of Food Science and Technology, Jiangnan University, Lihu Road 1800, Wuxi, 214122, P. R, China
- International Joint Laboratory On Food Safety, Jiangnan University, Lihu Road, 1800, Wuxi, 214122, P. R, China
| | - Xin-Lin Wei
- School of Agriculture and Biology, Shanghai Jiaotong University, Shanghai, 200240, P. R, China
| | - Jian-Guo Xu
- School of Food Science and Biological Engineering, Hefei University of Technology, Hefei, 230009, P. R, China.
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Gao F, Kong W, He G, Guo Y, Liu H, Zhang S, Yang B. SERS-active vertically aligned silver/tungsten oxide nanoflakes for ultrasensitive and reliable detection of thiram. Microchem J 2021. [DOI: 10.1016/j.microc.2021.106046] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
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10
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Wang Q, Xu C, He H, Zhang X, Lin L, Wang G. Salt-resistant nanosensor for fast sulfadimethoxine tracing based on oxygen-doped g-C 3N 4 nanoplates. Mikrochim Acta 2021; 188:153. [PMID: 33821319 DOI: 10.1007/s00604-021-04800-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2020] [Accepted: 03/19/2021] [Indexed: 11/29/2022]
Abstract
A novel oxygen-doped g-C3N4 nanoplate (OCNP) structure that can serve as an efficient sulfadimethoxine (SDM) sensing platform has been developed. Taking advantage of its inherent oxygen-containing functional groups and 2D layered structure with π-conjugated system, OCNP exhibits effective radiative recombination of surface-confined electron-hole pairs and efficient π-π interaction with SDM. This causes rapid fluorescence response and thus ensures the fast and continuous monitoring of SDM. Based on the fluorescence experiments and band structure calculation, the mechanism of the SDM-induced quenching phenomenon was mainly elucidated as the photoinduced electron transfer process under a dynamic quenching mode. Under optimized conditions, the as-proposed nanosensor, which emitted strong fluorescence at 375 nm with an excitation wavelength at 255 nm, presents an excellent analytical performance toward SDM with a wide linear range from 3 to 60 μmol L-1 and a detection limit of 0.85 μmol L-1 (S/N = 3). In addition, this strategy exhibits satisfactory recovery varied from 94 to 103% with relative standard derivations (RSD) in the range 0.9 to 6.8% in real water samples. It also shows marked tolerability to a series of high concentrations of metals and inorganic salts. This strategy not only broadens the application of oxygen-doped g-C3N4 nanomaterial in antibiotic sensing field but also presents a promising potential for on-line contaminant tracing in complex environments.
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Affiliation(s)
- Qiusu Wang
- School of Environment, Nanjing Normal University, Wenyuan Road 1, Nanjing, 210023, China
| | - Chenmin Xu
- School of Environment, Nanjing Normal University, Wenyuan Road 1, Nanjing, 210023, China
| | - Huan He
- School of Environment, Nanjing Normal University, Wenyuan Road 1, Nanjing, 210023, China
| | - Xing Zhang
- School of Food Science and Pharmaceutical Engineering, Nanjing Normal University, Nanjing, 210023, China
| | - Lei Lin
- School of Environment, Nanjing Normal University, Wenyuan Road 1, Nanjing, 210023, China.
| | - Guoxiang Wang
- School of Environment, Nanjing Normal University, Wenyuan Road 1, Nanjing, 210023, China.
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Su D, Li H, Yan X, Lin Y, Lu G. Biosensors based on fluorescence carbon nanomaterials for detection of pesticides. Trends Analyt Chem 2021. [DOI: 10.1016/j.trac.2020.116126] [Citation(s) in RCA: 62] [Impact Index Per Article: 20.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
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Achadu OJ, Lioe DX, Kagawa K, Kawahito S, Park EY. Fluoroimmunoassay of influenza virus using sulfur-doped graphitic carbon nitride quantum dots coupled with Ag2S nanocrystals. Mikrochim Acta 2020; 187:466. [DOI: 10.1007/s00604-020-04433-1] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2020] [Accepted: 07/07/2020] [Indexed: 10/23/2022]
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