1
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Tan L, Cao Y, Yan J, Mao K, Liu L, Wang X, Ye W, Harris RA, Zhang H. TiO 2 nanorod arrays@PDA/Ag with biomimetic polydopamine as binary mediators for duplex SERS detection of illegal food dyes. Anal Chim Acta 2024; 1287:342047. [PMID: 38182363 DOI: 10.1016/j.aca.2023.342047] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2023] [Revised: 11/11/2023] [Accepted: 11/18/2023] [Indexed: 01/07/2024]
Abstract
Based on TiO2 nanorod arrays@PDA/Ag (TNRs@PDA/Ag), a better surface-enhanced Raman scattering (SERS) sensor with effective enrichment and enhancement was investigated for duplex SERS detection of illicit food dyes. Biomimetic PDA functions as binary mediators by utilizing the structural characteristics of polydopamine (PDA), which include the conjugated structure and abundant hydrophilic groups. One PDA functioned as an electron transfer mediator to enhance the efficiency of electron transfer, and the other as an enrichment mediator to effectively enrich rhodamine B (RhB) and crystal violet (CV) through hydrogen bonding, π-π stacking, and electrostatic interactions. Individual and duplex detection of illicit food dyes (RhB and CV) was performed using TNRs@PDA/Ag to estimate SERS applications. Their linear equations and limits of detection of 1 nM for RhB and 5 nM for CV were derived. Individual and duplex food colour detection was successfully accomplished even in genuine chili meal with good results. The bifunctional TNRs@PDA/Ag-based highly sensitive and duplex SERS dye detection will have enormous potential for food safety monitoring.
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Affiliation(s)
- Lin Tan
- State Key Laboratory of Applied Organic Chemistry, Key Laboratory of Special Functional Materials and Structural Design (Ministry of Education), Lanzhou University, Lanzhou 730000, China
| | - Yanqiang Cao
- State Key Laboratory of Applied Organic Chemistry, Key Laboratory of Special Functional Materials and Structural Design (Ministry of Education), Lanzhou University, Lanzhou 730000, China
| | - Juanjuan Yan
- State Key Laboratory of Applied Organic Chemistry, Key Laboratory of Special Functional Materials and Structural Design (Ministry of Education), Lanzhou University, Lanzhou 730000, China
| | - Kang Mao
- State Key Laboratory of Environmental Geochemistry, Institute of Geochemistry, Chinese Academy of Sciences, Guiyang, 550081, China
| | - Li Liu
- Center for Inspection of Gansu Drug Administration (Center for Vaccine Inspection of Gansu), Lanzhou 730030, China
| | - Xiaolong Wang
- State Key Laboratory of Solid Lubrication, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou 730000, China.
| | - Weichun Ye
- State Key Laboratory of Applied Organic Chemistry, Key Laboratory of Special Functional Materials and Structural Design (Ministry of Education), Lanzhou University, Lanzhou 730000, China.
| | - R A Harris
- Department of Physics, University of the Free State, Bloemfontein 9301, South Africa.
| | - Hua Zhang
- State Key Laboratory of Environmental Geochemistry, Institute of Geochemistry, Chinese Academy of Sciences, Guiyang, 550081, China.
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2
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Zhao Y, Huang S, Chao M, Wang Y, Liu P, Li P, Fang X, Routledge MN, Peng C, Zhang C. Highly resistant and sensitive colorimetric immunochromatographic assay for sibutramine (SBT) illegally adulterated into diet food based on PDA/AuNP labelling. Analyst 2023; 148:5094-5104. [PMID: 37671915 DOI: 10.1039/d2an02094g] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/07/2023]
Abstract
A gold nanoparticle (AuNP) based immunochromatographic assay strip is a valuable tool for monitoring chemicals in foods. However, the sensitive ICA strip for SBT is rarely reported due to the fact that monoclonal antibodies (mAbs) against SBT with high affinity are commercially unavailable. Herein, a monoclonal antibody against SBT was prepared through a designed hapten with a carboxyl end-capped space arm. The obtained mAb showed high affinity for SBT and N-desmethylsibutramine, a metabolite of SBT. Furthermore, a series of core-shell NPs, polydopamine (PDA) coated AuNPs (PDA/AuNPs) with controlled shell thickness and packing density were synthesized. The obtained PDA/AuNP-mAb conjugate demonstrated high tolerance to salt and good stability in a wide pH range, which is beneficial for improving the matrix interference common in ICA. As a result, PDA/AuNP-based ICA could quantify SBT in the range of 3.39-69.60 ng mL-1 with a limit of detection (LOD) of 0.98 ng mL-1. This novel ICA improved the sensitivity of the traditional AuNP-based ICA by nearly 12 times. Method validation was conducted with spiked samples of slimming food and human serum and compared with HPLC-MS/MS. Consistent results indicated that high sensitivity, accuracy, and reliability of the PDA/AuNP-based ICA approach were achieved. To the best of our knowledge, this study reported the most sensitive immunoassay for SBT thus far.
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Affiliation(s)
- Yun Zhao
- School of Food Science and Technology, Jiangnan University, Wuxi 214122, PR China.
- Jiangsu Key Laboratory for Food Quality and Safety-State Key Laboratory Cultivation Base of Ministry of Science and Technology, Institute of Food Safety and Nutrition, Jiangsu Academy of Agricultural Sciences, Nanjing 210014, PR China.
| | - Sijie Huang
- Nanjing Institute of Environmental Sciences, Ministry of Ecology and Environment, Nanjing 210042, PR China
| | - Mengjia Chao
- School of Food Science and Technology, Jiangnan University, Wuxi 214122, PR China.
| | - Yulong Wang
- Jiangsu Key Laboratory for Food Quality and Safety-State Key Laboratory Cultivation Base of Ministry of Science and Technology, Institute of Food Safety and Nutrition, Jiangsu Academy of Agricultural Sciences, Nanjing 210014, PR China.
| | - Pengyan Liu
- Jiangsu Key Laboratory for Food Quality and Safety-State Key Laboratory Cultivation Base of Ministry of Science and Technology, Institute of Food Safety and Nutrition, Jiangsu Academy of Agricultural Sciences, Nanjing 210014, PR China.
| | - Pan Li
- Jiangsu Key Laboratory for Food Quality and Safety-State Key Laboratory Cultivation Base of Ministry of Science and Technology, Institute of Food Safety and Nutrition, Jiangsu Academy of Agricultural Sciences, Nanjing 210014, PR China.
| | - Xuechen Fang
- College of Food Science and Technology, Nanchang University, Nanchang 330031, PR China
| | - Michael N Routledge
- School of Medicine, University of Leeds, Leeds LS2 9JT, UK
- School of Food and Biological Engineering, Jiangsu University, Zhenjiang, Jiangsu Province, China and International Joint Research Laboratory of Intelligent Agriculture and Agri-products Processing (Jiangsu University), Jiangsu Education Department, China
| | - Chifang Peng
- School of Food Science and Technology, Jiangnan University, Wuxi 214122, PR China.
| | - Cunzheng Zhang
- Jiangsu Key Laboratory for Food Quality and Safety-State Key Laboratory Cultivation Base of Ministry of Science and Technology, Institute of Food Safety and Nutrition, Jiangsu Academy of Agricultural Sciences, Nanjing 210014, PR China.
- College of Food Science and Technology, Nanchang University, Nanchang 330031, PR China
- School of Medicine, University of Leeds, Leeds LS2 9JT, UK
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3
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Yang R, Zhang Z, Miao N, Fang W, Xiao Z, Shen X, Xin W. High-Yield Gold Nanohydrangeas on Three-Dimensional Carbon Nanotube Foams for Surface-Enhanced Raman Scattering Sensors. ACS OMEGA 2023; 8:26973-26981. [PMID: 37546592 PMCID: PMC10399187 DOI: 10.1021/acsomega.3c01802] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/16/2023] [Accepted: 07/07/2023] [Indexed: 08/08/2023]
Abstract
Recently, carbon nanomaterial-supported plasmonic nanocrystals used as high-performance surface-enhanced Raman scattering (SERS) substrates have attracted increasing attention due to their ultra-high sensitivity of detection. However, most of the work focuses on the design of 2-D planar substrates with traditional plasmonic structures, such as nanoparticles, nanorods, nanowires, and so forth. Here, we report a novel strategy for the preparation of high-yield Au nanohydrangeas on three-dimensional porous polydopamine (PDA)/polyvinyl alcohol (PVA)/carbon nanotube (CNT) foams. The structures and growth mechanisms of these specific Au nanocrystals are systematically investigated. PDA plays the role of both a reducing agent as well as an anchoring site for Au nanohydrangeas' growth. We also show that the ratio of surfactant KBr to the gold precursor (HAuCl4) is key to obtain these structures in a manner of high production. Moreover, the substrate of the CNT foam-Au nanohydrangea hybrid can be employed as SERS sensors and can detect the analytes down to 10-9 M.
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Affiliation(s)
- Rong Yang
- College
of Materials Science and Engineering, Nanjing
Tech University, No. 30 Puzhu South Road, Jiangbei New Area, Nanjing, Jiangsu 211816, China
| | - Zhen Zhang
- Shandong
Institute of Hydrogen Energy Technology, 25F, Hydrogen Building, No. 3189 Qilu Avenue, Huaiyin District, Jinan, Shandong 250000, China
- China
EV100 Hydrogen Center, Intelligent Manufacturing
Workshop, No. 27 Jiancaicheng
Zhong Road, Haidian District, Beijing 100096, China
| | - Naiqian Miao
- Shandong
Institute of Hydrogen Energy Technology, 25F, Hydrogen Building, No. 3189 Qilu Avenue, Huaiyin District, Jinan, Shandong 250000, China
- China
EV100 Hydrogen Center, Intelligent Manufacturing
Workshop, No. 27 Jiancaicheng
Zhong Road, Haidian District, Beijing 100096, China
| | - Weichen Fang
- College
of Materials Science and Engineering, Nanjing
Tech University, No. 30 Puzhu South Road, Jiangbei New Area, Nanjing, Jiangsu 211816, China
| | - Zuo Xiao
- College
of Materials Science and Engineering, Nanjing
Tech University, No. 30 Puzhu South Road, Jiangbei New Area, Nanjing, Jiangsu 211816, China
| | - Xiaodong Shen
- College
of Materials Science and Engineering, Nanjing
Tech University, No. 30 Puzhu South Road, Jiangbei New Area, Nanjing, Jiangsu 211816, China
| | - Wenbo Xin
- College
of Materials Science and Engineering, Nanjing
Tech University, No. 30 Puzhu South Road, Jiangbei New Area, Nanjing, Jiangsu 211816, China
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4
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Shan L, Chen Y, Tan X, Ge S, Zhang L, Li L, Yu J, Li L. Tetrahedral DNA Nanostructure-Engineered Paper-Based Sensor with an Enhanced Antifouling Ability for Photoelectrochemical Sensing. Anal Chem 2023; 95:4760-4767. [PMID: 36858950 DOI: 10.1021/acs.analchem.2c05686] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/03/2023]
Abstract
Herein, a newly designed two-in-one tetrahedral DNA (TDN) nanostructure with an antifouling surface and backbone-rigidified interfacial tracks was developed for highly sensitive and selective detection of miRNA-182-5p. The well-regulated TDN tracks were assembled onto the surface of the TiO2/MIL-125-NH2-functionalized paper electrode, which efficiently avoided the obstacle of DNA strand tangling and decreased the probability of suspension during the walking process, thus greatly promoting the moving efficiency of DNA walkers. More interestingly, the TDN-modified sensing interfaces demonstrated incomparable antifouling ability against protein samples and interfering miRNAs due to the strong hydrophilic capacity and special molecular conformations, which addressed the dilemma of low sensitivity from traditional antifouling coating strategies. As a proof of concept, the designed bifunctional tetrahedron-modified paper-based photoelectrochemical sensor was successfully used to quantify miRNA-182-5p with a low detection limit of 0.09 fM and high specificity and was validated for monitoring of miRNA-182-5p in real samples. This TDN-engineered biointerface could be used as a universal platform for tracking various targets by substituting the biorecognition events, providing great promise for bioanalysis and clinical diagnosis.
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Affiliation(s)
- Li Shan
- School of Chemistry and Chemical Engineering, University of Jinan, Jinan 250022, P. R. China
| | - Yuanyuan Chen
- School of Chemistry and Chemical Engineering, University of Jinan, Jinan 250022, P. R. China
| | - Xiaoran Tan
- School of Chemistry and Chemical Engineering, University of Jinan, Jinan 250022, P. R. China
| | - Shenguang Ge
- Institute for Advanced Interdisciplinary Research, University of Jinan, Jinan 250022, P. R. China
| | - Lina Zhang
- Shandong Provincial Key Laboratory of Preparation and Measurement of Building Materials, University of Jinan, Jinan, Shandong 250022, P. R China
| | - Lin Li
- School of Chemistry and Chemical Engineering, University of Jinan, Jinan 250022, P. R. China
| | - Jinghua Yu
- School of Chemistry and Chemical Engineering, University of Jinan, Jinan 250022, P. R. China
| | - Li Li
- School of Chemistry and Chemical Engineering, University of Jinan, Jinan 250022, P. R. China
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5
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Guo Y, Zeng X, Li J, Yuan H, Lan J, Yu Y, Yang X. A high performance composite separator with robust environmental stability for dendrite-free lithium metal batteries. J Colloid Interface Sci 2023; 642:321-329. [PMID: 37011450 DOI: 10.1016/j.jcis.2023.03.149] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2022] [Revised: 03/22/2023] [Accepted: 03/23/2023] [Indexed: 03/31/2023]
Abstract
The garnet ceramic Li6.4La3Zr1.4Ta0.6O12 (LLZTO) modified separators have been proposed to overcome the poor thermal stability and wettability of commercial polyolefin separators. However, the side reaction of LLZTO in the air leads to deterioration of environmental stability of composite separators (PP-LLZTO), which will limit the electrochemical performance of batteries. Herein, the LLZTO with the polydopamine (PDA) coating (LLZTO@PDA) was prepared by solution oxidation, and then applied it to a commercial polyolefin separator to achieve a composite separator (PP-LLZTO@PDA). LLZTO@PDA is stable in the air, and no Li2CO3 can be observed on the surface even after 90 days in the air. Besides, LLZTO@PDA coating endows the PP-LLZTO@PDA separator with the tensile strength (up to 103 MPa), good wettability (contact angle 0°) and high ionic conductivity (0.93 mS cm-1). Consequently, the Li/PP-LLZTO@PDA/Li symmetric cell cycles stably for 600 h without significant dendrites generation, and the assembled Li//LFP cells with PP-LLZTO@PDA-D30 separators deliver a high capacity retention of 91.8% after 200 cycles at 0.1C. This research provides a practical strategy for constructing composite separators with excellent environmental stability and high electrochemical properties.
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6
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Dong S, Guan L, Zhao Y, Wang Y, Liu P, Li P, Han C, Liu B, Zhang C. A dual-signal immunochromatographic assay using quantum dots and polydopamine coated gold nanoparticles for detection of sodium pentachlorophenate in animal-derived food. Microchem J 2022. [DOI: 10.1016/j.microc.2022.108070] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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7
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Abstract
Surface-enhanced Raman spectroscopy (SERS) is a vibrational spectroscopy technique that enables specific identification of target analytes with sensitivity down to the single-molecule level by harnessing metal nanoparticles and nanostructures. Excitation of localized surface plasmon resonance of a nanostructured surface and the associated huge local electric field enhancement lie at the heart of SERS, and things will become better if strong chemical enhancement is also available simultaneously. Thus, the precise control of surface characteristics of enhancing substrates plays a key role in broadening the scope of SERS for scientific purposes and developing SERS into a routine analytical tool. In this review, the development of SERS substrates is outlined with some milestones in the nearly half-century history of SERS. In particular, these substrates are classified into zero-dimensional, one-dimensional, two-dimensional, and three-dimensional substrates according to their geometric dimension. We show that, in each category of SERS substrates, design upon the geometric and composite configuration can be made to achieve an optimized enhancement factor for the Raman signal. We also show that the temporal dimension can be incorporated into SERS by applying femtosecond pulse laser technology, so that the SERS technique can be used not only to identify the chemical structure of molecules but also to uncover the ultrafast dynamics of molecular structural changes. By adopting SERS substrates with the power of four-dimensional spatiotemporal control and design, the ultimate goal of probing the single-molecule chemical structural changes in the femtosecond time scale, watching the chemical reactions in four dimensions, and visualizing the elementary reaction steps in chemistry might be realized in the near future.
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Affiliation(s)
| | | | - Hai-Yao Yang
- School of Physics and Optoelectronics, South China University of Technology, Wushan Road 381, Guangzhou 510641, China
| | - Zhiyuan Li
- School of Physics and Optoelectronics, South China University of Technology, Wushan Road 381, Guangzhou 510641, China
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8
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Lian Y, Yuan X, Wang Y, Wei L. Highly sensitive visual colorimetric sensor for xanthine oxidase detection by using MnO 2-nanosheet-modified gold nanoparticles. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2022; 276:121219. [PMID: 35397450 DOI: 10.1016/j.saa.2022.121219] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/07/2022] [Revised: 03/26/2022] [Accepted: 03/29/2022] [Indexed: 06/14/2023]
Abstract
In this study, a highly sensitive colorimetric assay has been constructed for the determination of xanthine oxidase (XOD) activity by the GNP@MnO2 core-shell nanoparticles as probe. In the presence of XOD, xanthine can be oxidized to produce H2O2, which makes the MnO2 shell fallen off. With the single particle detection (SPD) based dark field microscopy (DFM), the scattering color of GNP@MnO2 NP probe shows obvious change before and after etching process. At the single particle level, noticeable color change of the single probe can be easily detected in the existence of trace XOD. This SPD-based colorimetric strategy displays broad linear dynamic range (0.02-4 mU/mL) and low detection limit of 7.82 μU/mL, which is more sensitive than the results from ensemble sample measurement. In addition, we tested the inhibitory effect of quercetin on the activity of XOD and obtained good inhibition effect. As a consequence, this SPD-based colorimetric strategy provides new perception for the ultrasensitive detection of molecules in complex system.
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Affiliation(s)
- Yawen Lian
- Key Laboratory of Chemical Biology and Traditional Chinese Medicine Research, College of Chemistry and Chemical Engineering, Hunan Normal University, Changsha 410081, China
| | - Xiang Yuan
- Key Laboratory of Chemical Biology and Traditional Chinese Medicine Research, College of Chemistry and Chemical Engineering, Hunan Normal University, Changsha 410081, China
| | - Yandan Wang
- Key Laboratory of Chemical Biology and Traditional Chinese Medicine Research, College of Chemistry and Chemical Engineering, Hunan Normal University, Changsha 410081, China
| | - Lin Wei
- Key Laboratory of Chemical Biology and Traditional Chinese Medicine Research, College of Chemistry and Chemical Engineering, Hunan Normal University, Changsha 410081, China.
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9
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Boccorh DK, Macdonald PA, Boyle CW, Wain AJ, Berlouis LEA, Wark AW. A universal polymer shell-isolated nanoparticle (SHIN) design for single particle spectro-electrochemical SERS sensing using different core shapes. NANOSCALE ADVANCES 2021; 3:6415-6426. [PMID: 36133494 PMCID: PMC9416900 DOI: 10.1039/d1na00473e] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 06/23/2021] [Accepted: 09/20/2021] [Indexed: 06/16/2023]
Abstract
Shell-isolated nanoparticles (SHINs) have attracted increasing interest for non-interfering plasmonic enhanced sensing in fields such as materials science, biosensing, and in various electrochemical systems. The metallic core of these nanoparticles is isolated from the surrounding environment preventing direct contact or chemical interaction with the metal surface, while still being close enough to enable localized surface plasmon enhancement of the Raman scattering signal from the analyte. This concept forms the basis of the shell isolated nanoparticle-enhanced Raman spectroscopy (SHINERS) technique. To date, the vast majority of SHIN designs have focused on SiO2 shells around spherical nanoparticle cores and there has been very limited published research considering alternatives. In this article, we introduce a new polymer-based approach which provides excellent control over the layer thickness and can be applied to plasmonic metal nanoparticles of various shapes and sizes without compromising the overall nanoparticle morphology. The SHIN layers are shown to exhibit excellent passivation properties and robustness in the case of gold nanosphere (AuNP) and anisotropic gold nanostar (AuNS) core shapes. In addition, in situ SHINERS spectro-electrochemistry measurements performed on both SHIN and bare Au nanoparticles demonstrate the utility of the SHIN coatings. Correlated confocal Raman and SEM mapping was achieved to clearly establish single nanoparticle SERS sensitivity. Finally, confocal in situ SERS mapping enabled visualisation of the redox related molecular structure changes occurring on an electrode surface in the vicinity of individual SHIN-coated nanoparticles.
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Affiliation(s)
- Delali K Boccorh
- Centre for Molecular Nanometrology, Technology and Innovation Centre, Dept. of Pure & Applied Chemistry, University of Strathclyde 99 George St Glasgow G1 1RD UK +44 (0)141 548 3084
- National Physical Laboratory Hampton Road Teddington TW11 0LW UK
| | - Peter A Macdonald
- Centre for Molecular Nanometrology, Technology and Innovation Centre, Dept. of Pure & Applied Chemistry, University of Strathclyde 99 George St Glasgow G1 1RD UK +44 (0)141 548 3084
| | - Colm W Boyle
- Centre for Molecular Nanometrology, Technology and Innovation Centre, Dept. of Pure & Applied Chemistry, University of Strathclyde 99 George St Glasgow G1 1RD UK +44 (0)141 548 3084
| | - Andrew J Wain
- National Physical Laboratory Hampton Road Teddington TW11 0LW UK
| | - Leonard E A Berlouis
- Dept. of Pure & Applied Chemistry, University of Strathclyde 295 Cathedral St Glasgow G1 1XL UK
| | - Alastair W Wark
- Centre for Molecular Nanometrology, Technology and Innovation Centre, Dept. of Pure & Applied Chemistry, University of Strathclyde 99 George St Glasgow G1 1RD UK +44 (0)141 548 3084
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10
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Shen Y, Yu D, Han FY, Shen AG, Hu JM. On-site and quantitative SERS detection of trace 1, 2, 3-benzotriazole in transformer oil with colloidal lignin particles-based green pretreatment reagents. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2021; 252:119469. [PMID: 33530031 DOI: 10.1016/j.saa.2021.119469] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/30/2020] [Revised: 01/05/2021] [Accepted: 01/09/2021] [Indexed: 06/12/2023]
Abstract
Since 1, 2, 3-Benzotriazole (BTA) is one of the most commonly used metal passivators in transformer oil, on-site and quantitative detection of BTA plays a significant role in fast evaluation of the performance of the insulating oil. Herein, we proposed a cycle-growth synthetic protocol for yielding two-dimensional (2D) plane-based surface-enhanced Raman scattering (SERS) substrates with tunable optical property and controllable interparticle distance, and an extraction material, so called colloidal lignin particles (CLPs), for the fast separation of BTA from oil matrix. After BTA from transformer oil were adsorbed by hydrophilic CLPs, highly reproducible SERS signal of BTA can be obtained by dropping on the substrate. The characteristic Raman shift at 1386 cm-1 of BTA has been selected to establish a good linearity between its relative intensity and concentration in the range of 1-300 mg/L, and the detection limit for BTA was down to 0.12 mg/L. Moreover, the time consumption for the whole detection process of real sample including sample pretreatment and SERS measurements was less than 30 min. It is highly expected that the combination of CLPs with SERS can accomplish the on-site detection of trace BTA in transformer oil.
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Affiliation(s)
- Yao Shen
- College of Chemistry and Molecular Sciences, Wuhan University, Wuhan 430072, PR China; School of Printing and Packaging, Wuhan University, Wuhan 430079, PR China
| | - Dong Yu
- College of Chemistry and Molecular Sciences, Wuhan University, Wuhan 430072, PR China
| | - Fang-Yuan Han
- Electric Power Research Institute, Guangxi Power Grid Co., Ltd., Nanning 530023, PR China
| | - Ai-Guo Shen
- School of Printing and Packaging, Wuhan University, Wuhan 430079, PR China.
| | - Ji-Ming Hu
- College of Chemistry and Molecular Sciences, Wuhan University, Wuhan 430072, PR China.
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11
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Wang Y, Ma J, Zhang N, Chen D, Tu J, Cao Y, Wu Q, Zhang X, Hao W. Enhancing the performance of photoelectrochemical glucose sensor via the electron cloud bridge of Au in SrTiO 3/PDA electrodes. RSC Adv 2021; 11:13624-13634. [PMID: 35423867 PMCID: PMC8697585 DOI: 10.1039/d1ra00812a] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2021] [Accepted: 03/28/2021] [Indexed: 01/18/2023] Open
Abstract
Developing photoelectrochemical biosensors via efficient photogenerated-charge separation remains a challenging task in biomolecular detection. In this study, we utilised a simple approach for constructing an efficient photoactive organic-inorganic heterojunction interface composed of SrTiO3 with high photocatalytic activity and polydopamine (PDA) with high biocompatibility and electrical conductivity. Gold nanoparticles with dense electron cloud properties were introduced as a bridge between SrTiO3 and PDA (SrTiO3/Au/PDA). The Au bridge allowed the PDA to uniformly and tightly attach on the surface of SrTiO3 electrodes and also provided a separate transmission channel for electrons from PDA to SrTiO3. The rapidly transmitted electrons were captured by a signal-acquisition system, thereby improving the photocurrent signal output. The 3D hollowed out SrTiO3/Au/PDA biosensor manufactured herein was used for glucose detection. The biosensor achieved ultrahigh sensitivities reaching 23.7 μA mM-1 cm-2, an extended linear range (1-20 mM), and a low detection limit (0.012 mM). The excellent results of glucose analysis in serum samples further confirmed the feasibility of the biosensor in clinical applications. In summary, the proposed strategy allowed for the use of an electronic cloud bridge in the construction of glucose biosensors with satisfactory performances, which is promising for the future fabrication of high-performance biosensors.
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Affiliation(s)
- Yadong Wang
- Key Laboratory of Advanced Materials of Tropical Island Resources, State Key Laboratory of Marine Resource Utilization in South China Sea, Hainan University Haikou 570228 P. R. China
| | - Jinxin Ma
- Key Laboratory of Advanced Materials of Tropical Island Resources, State Key Laboratory of Marine Resource Utilization in South China Sea, Hainan University Haikou 570228 P. R. China
| | - Nan Zhang
- Key Laboratory of Advanced Materials of Tropical Island Resources, State Key Laboratory of Marine Resource Utilization in South China Sea, Hainan University Haikou 570228 P. R. China
| | - Delun Chen
- Key Laboratory of Advanced Materials of Tropical Island Resources, State Key Laboratory of Marine Resource Utilization in South China Sea, Hainan University Haikou 570228 P. R. China
| | - Jinchun Tu
- Key Laboratory of Advanced Materials of Tropical Island Resources, State Key Laboratory of Marine Resource Utilization in South China Sea, Hainan University Haikou 570228 P. R. China
| | - Yang Cao
- Key Laboratory of Advanced Materials of Tropical Island Resources, State Key Laboratory of Marine Resource Utilization in South China Sea, Hainan University Haikou 570228 P. R. China
- Key Laboratory of Child Cognition & Behavior Development of Hainan Province, Qiongtai Normal University Haikou 571127 P. R. China
| | - Qiang Wu
- School of Tropical Medicine and Laboratory Medicine, Key Laboratory of Emergency and Trauma of Ministry of Education, Research Unit of Island Emergency Medicine, Chinese Academy of Medical Sciences (No. 2019RU013), Hainan Medical University Haikou 571199 P. R. China
| | - Xiaolin Zhang
- Key Laboratory of Child Cognition & Behavior Development of Hainan Province, Qiongtai Normal University Haikou 571127 P. R. China
| | - Wanjun Hao
- Key Laboratory of Advanced Materials of Tropical Island Resources, State Key Laboratory of Marine Resource Utilization in South China Sea, Hainan University Haikou 570228 P. R. China
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12
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Arabi M, Ostovan A, Zhang Z, Wang Y, Mei R, Fu L, Wang X, Ma J, Chen L. Label-free SERS detection of Raman-Inactive protein biomarkers by Raman reporter indicator: Toward ultrasensitivity and universality. Biosens Bioelectron 2020; 174:112825. [PMID: 33243696 DOI: 10.1016/j.bios.2020.112825] [Citation(s) in RCA: 158] [Impact Index Per Article: 39.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2020] [Revised: 11/06/2020] [Accepted: 11/13/2020] [Indexed: 02/07/2023]
Abstract
It is still challenging to sensitively detect protein biomarkers via surface-enhanced Raman scattering (SERS) technique owing to their low Raman activity. SERS tag-based immunoassay is usually applied; however, it is laborious and needs specific antibodies. Herein, an ultrasensitive and universal "Raman indicator" sensing strategy is proposed for protein biomarkers, with the aid of a glass capillary-based molecularly imprinted SERS sensor. The sensor consists of an inner SERS substrate layer for signal enhancement and an outer mussel-inspired polydopamine imprinted layer as a recognition element. Imprinted cavities have two missions: first, selectively capturing the target protein, and second, the only passageway of Raman indicator to access SERS substrate. Specific protein recognition means filling imprinted cavities and blocking Raman indicator flow. Thus, the quantity of captured protein can be reflected by the signal decrease of ultra-Raman active indicator molecule. The capillary sensor exhibited specific and reproducible detection at the level down to 4.1 × 10-3 μg L-1, for trypsin enzyme in as-received biological samples without sample preparation. The generality of the mechanism is confirmed by using three different protein models. This platform provides a facile, fast and general route for sensitive SERS detection of Raman inactive biomacromolecules, which offers great promising utility for in situ and fast point-of-care practical bioassay.
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Affiliation(s)
- Maryam Arabi
- CAS Key Laboratory of Coastal Environmental Processes and Ecological Remediation, Shandong Key Laboratory of Coastal Environmental Processes, Yantai Institute of Coastal Zone Research, Chinese Academy of Sciences, Yantai, 264003, China
| | - Abbas Ostovan
- CAS Key Laboratory of Coastal Environmental Processes and Ecological Remediation, Shandong Key Laboratory of Coastal Environmental Processes, Yantai Institute of Coastal Zone Research, Chinese Academy of Sciences, Yantai, 264003, China
| | - Zhiyang Zhang
- CAS Key Laboratory of Coastal Environmental Processes and Ecological Remediation, Shandong Key Laboratory of Coastal Environmental Processes, Yantai Institute of Coastal Zone Research, Chinese Academy of Sciences, Yantai, 264003, China; Center for Ocean Mega-Science, Chinese Academy of Sciences, Qingdao, 266071, China
| | - Yunqing Wang
- CAS Key Laboratory of Coastal Environmental Processes and Ecological Remediation, Shandong Key Laboratory of Coastal Environmental Processes, Yantai Institute of Coastal Zone Research, Chinese Academy of Sciences, Yantai, 264003, China; Center for Ocean Mega-Science, Chinese Academy of Sciences, Qingdao, 266071, China.
| | - Rongchao Mei
- CAS Key Laboratory of Coastal Environmental Processes and Ecological Remediation, Shandong Key Laboratory of Coastal Environmental Processes, Yantai Institute of Coastal Zone Research, Chinese Academy of Sciences, Yantai, 264003, China
| | - Longwen Fu
- CAS Key Laboratory of Coastal Environmental Processes and Ecological Remediation, Shandong Key Laboratory of Coastal Environmental Processes, Yantai Institute of Coastal Zone Research, Chinese Academy of Sciences, Yantai, 264003, China; Center for Ocean Mega-Science, Chinese Academy of Sciences, Qingdao, 266071, China
| | - Xiaoyan Wang
- CAS Key Laboratory of Coastal Environmental Processes and Ecological Remediation, Shandong Key Laboratory of Coastal Environmental Processes, Yantai Institute of Coastal Zone Research, Chinese Academy of Sciences, Yantai, 264003, China; School of Pharmacy, Binzhou Medical University, Yantai, 264003, China
| | - Jiping Ma
- School of Environmental & Municipal Engineering, Qingdao University of Technology, Qingdao, 266033, China
| | - Lingxin Chen
- CAS Key Laboratory of Coastal Environmental Processes and Ecological Remediation, Shandong Key Laboratory of Coastal Environmental Processes, Yantai Institute of Coastal Zone Research, Chinese Academy of Sciences, Yantai, 264003, China; Center for Ocean Mega-Science, Chinese Academy of Sciences, Qingdao, 266071, China
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13
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Jia M, Zhao N, Bi Z, Fu Z, Xu F, Shi C, Guo X. Polydopamine-Coated Garnet Particles Homogeneously Distributed in Poly(propylene carbonate) for the Conductive and Stable Membrane Electrolytes of Solid Lithium Batteries. ACS APPLIED MATERIALS & INTERFACES 2020; 12:46162-46169. [PMID: 32935964 DOI: 10.1021/acsami.0c13434] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
Flexible membrane electrolytes consisting of Li6.4La3Zr1.4Ta0.6O12 (LLZTO) fillers in poly(propylene carbonate) (PPC) are considered promising for developing solid lithium batteries with high energy density and safety. However, LLZTO particles tend to agglomerate owing to their high surface energy, especially concerning their distribution in PPC that has low surface energy. Moreover, basic LLZTO particles attack PPC, resulting in its decomposition. Such problems make it difficult to achieve membrane electrolytes of PPC/LLZTO with high conduction and stability. In this work, continuous polydopamine (PDA) layers with a thickness of 4 nm are coated on LLZTO particles. Characterized by synchrotron X-ray microtomography and scanning electron microscopy, the PDA-coated LLZTO particles show homogeneous dispersion in PPC, which is attributed to the reduced surface energy of the LLZTO particles. Besides, this coating hinders the reaction between LLZTO and PPC, which improves the chemical stability of the membrane electrolytes. Consequently, the cells based on membrane electrolytes with PDA-coated LLZTO particles in PPC show improved electrochemical performance and cycling stability. These results demonstrate that the strategy of coating basic LLZTO particles is powerful for enhancing their usability in the high-performance membrane electrolytes for solid lithium batteries.
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Affiliation(s)
- Mengyang Jia
- College of Physics, Qingdao University, Qingdao 266071, China
| | - Ning Zhao
- College of Physics, Qingdao University, Qingdao 266071, China
| | - Zhijie Bi
- College of Physics, Qingdao University, Qingdao 266071, China
| | - Zhengqian Fu
- Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai 200050, China
| | - Fangfang Xu
- Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai 200050, China
| | - Chuan Shi
- College of Physics, Qingdao University, Qingdao 266071, China
| | - Xiangxin Guo
- College of Physics, Qingdao University, Qingdao 266071, China
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14
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Shi X, Zou J, Chen X, Zheng H, Jin Z, Li F, Piao JG. The Effect of Size on the Surface Enhanced Raman Scattering Property of SiO 2@PDA@AgNP Core-Shell-Satellite Nanocomposite. CHEM LETT 2020. [DOI: 10.1246/cl.200040] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Affiliation(s)
- Xiaowei Shi
- College of Pharmaceutical Sciences, Zhejiang Chinese Medical University, Hangzhou 310053, P. R. China
| | - Jiafeng Zou
- College of Pharmaceutical Sciences, Zhejiang Chinese Medical University, Hangzhou 310053, P. R. China
| | - Xiaojie Chen
- College of Pharmaceutical Sciences, Zhejiang Chinese Medical University, Hangzhou 310053, P. R. China
| | - Hongyue Zheng
- Libraries of Zhejiang Chinese Medical University, Zhejiang Chinese Medical University, Hangzhou 310053, P. R. China
| | - Zhexiu Jin
- Department of Cardiology, The Second Affiliated Hospital of Xiamen Medical College, Xiamen 350003, P. R. China
| | - Fanzhu Li
- College of Pharmaceutical Sciences, Zhejiang Chinese Medical University, Hangzhou 310053, P. R. China
| | - Ji-Gang Piao
- College of Pharmaceutical Sciences, Zhejiang Chinese Medical University, Hangzhou 310053, P. R. China
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15
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Tegegne WA, Mekonnen ML, Beyene AB, Su WN, Hwang BJ. Sensitive and reliable detection of deoxynivalenol mycotoxin in pig feed by surface enhanced Raman spectroscopy on silver nanocubes@polydopamine substrate. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2020; 229:117940. [PMID: 31884403 DOI: 10.1016/j.saa.2019.117940] [Citation(s) in RCA: 30] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/17/2019] [Revised: 12/08/2019] [Accepted: 12/08/2019] [Indexed: 06/10/2023]
Abstract
Deoxynivalenol (DON) is one of the trichothecene mycotoxin, a frequent contaminant of pig feed. Surface-enhanced Raman spectroscopy (SERS) is a fast and ultrasensitive analytical tool for point-of-need applications to identify molecular fingerprint structures at low concentrations. However, the use of SERS for analyte detection with flexible and robust structures is still challenging. Herein, we have developed core-shell silver nanocubes coated with polydopamine (Ag NCs@PDA) SERS substrate for the quantitative detection of deoxynivalenol in pig feed. The Ag NCs@PDA substrate with ultrathin (1.6 nm) PDA shell thickness enhances the absorption of DON via hydrogen bonding and π-π stacking interactions, as well as improves the stability of the substrate. The results of the SERS showed a high analytical enhancement factor (AEF) of 1.82 × 107 and a detection limit (LOD) as low as femtomolar range (0.82 fM). The LOD of the Ag NCs@PDA substrate for DON detection is 1.8 times lower than the bare Ag NCs. Furthermore, the Ag NCs@PDA substrate is stable which retains 88.24% of the original Raman intensity after storage for three months. The obtained results demonstrate that the Ag NCs@PDA substrates can realize label-free detection of deoxynivalenol mycotoxin with high sensitivity, reproducibility, and stability. Our work proposes a low-cost method for the designing of the SERS sensing device, and has great potential to be applied in food safety, biomedical sciences, and environmental monitoring.
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Affiliation(s)
- Wodaje Addis Tegegne
- Graduate Institute of Applied Science and Technology, National Taiwan University of Science and Technology, Taipei 10607, Taiwan
| | - Menbere Leul Mekonnen
- Department of Chemical Engineering, National Taiwan University of Science and Technology, Taipei 10607, Taiwan
| | - Agaje Bedemo Beyene
- Graduate Institute of Applied Science and Technology, National Taiwan University of Science and Technology, Taipei 10607, Taiwan
| | - Wei-Nein Su
- Graduate Institute of Applied Science and Technology, National Taiwan University of Science and Technology, Taipei 10607, Taiwan.
| | - Bing-Joe Hwang
- Department of Chemical Engineering, National Taiwan University of Science and Technology, Taipei 10607, Taiwan; National Synchrotron Radiation Research Center, Hsinchu 30076, Taiwan
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16
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Kuruvinashetti K, Zhang Y, Li J, Kornienko N. Shell isolated nanoparticle enhanced Raman spectroscopy for renewable energy electrocatalysis. NEW J CHEM 2020. [DOI: 10.1039/d0nj03526b] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
This review covers the use of shell isolated nanoparticle enhanced Raman spectroscopy (SHINERS) to investigate heterogeneous electrocatalytic processes.
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Affiliation(s)
- Kiran Kuruvinashetti
- Department of Chemistry
- Université de Montréal
- Roger-Gaudry Building
- Montreal
- Canada
| | - Yuxuan Zhang
- Department of Chemistry
- Université de Montréal
- Roger-Gaudry Building
- Montreal
- Canada
| | - Junnan Li
- Department of Chemistry
- Université de Montréal
- Roger-Gaudry Building
- Montreal
- Canada
| | - Nikolay Kornienko
- Department of Chemistry
- Université de Montréal
- Roger-Gaudry Building
- Montreal
- Canada
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17
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Liu Y, Shi Q, Zhang Y, Jing J, Pei J. One-step facile synthesis of Au@copper–tannic acid coordination core–shell nanostructures as photothermally-enhanced ROS generators for synergistic tumour therapy. NEW J CHEM 2020. [DOI: 10.1039/d0nj04460a] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Au@TACu core–shell nanostructures with good biocompatibility and GSH-depleting capability showed enhanced photothermal performance and ROS generation for synergistic tumour therapy.
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Affiliation(s)
- Yanhong Liu
- School of Pharmaceutical Sciences
- Jilin University
- Changchun 130021
- China
- Center for Reproductive Medicine
| | - Qingyang Shi
- Center for Reproductive Medicine
- Center for Prenatal Diagnosis, First Hospital
- Jilin University
- Changchun
- China
| | - Yan Zhang
- Hospital of Stomatology
- Jilin University
- Changchun 130021
- China
| | - Jili Jing
- Center for Reproductive Medicine
- Center for Prenatal Diagnosis, First Hospital
- Jilin University
- Changchun
- China
| | - Jin Pei
- School of Pharmaceutical Sciences
- Jilin University
- Changchun 130021
- China
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18
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Zhang Q, Wang Y, Zhang W, Hickey ME, Lin Z, Tu Q, Wang J. In situ assembly of well-dispersed Ag nanoparticles on the surface of polylactic acid-Au@polydopamine nanofibers for antimicrobial applications. Colloids Surf B Biointerfaces 2019; 184:110506. [DOI: 10.1016/j.colsurfb.2019.110506] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2019] [Revised: 08/26/2019] [Accepted: 09/11/2019] [Indexed: 01/17/2023]
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19
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Cheng W, Zeng X, Chen H, Li Z, Zeng W, Mei L, Zhao Y. Versatile Polydopamine Platforms: Synthesis and Promising Applications for Surface Modification and Advanced Nanomedicine. ACS NANO 2019; 13:8537-8565. [PMID: 31369230 DOI: 10.1021/acsnano.9b04436] [Citation(s) in RCA: 484] [Impact Index Per Article: 96.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/03/2023]
Abstract
As a mussel-inspired material, polydopamine (PDA), possesses many properties, such as a simple preparation process, good biocompatibility, strong adhesive property, easy functionalization, outstanding photothermal conversion efficiency, and strong quenching effect. PDA has attracted increasingly considerable attention because it provides a simple and versatile approach to functionalize material surfaces for obtaining a variety of multifunctional nanomaterials. In this review, recent significant research developments of PDA including its synthesis and polymerization mechanism, physicochemical properties, different nano/microstructures, and diverse applications are summarized and discussed. For the sections of its applications in surface modification and biomedicine, we mainly highlight the achievements in the past few years (2016-2019). The remaining challenges and future perspectives of PDA-based nanoplatforms are discussed rationally at the end. This timely and overall review should be desirable for a wide range of scientists and facilitate further development of surface coating methods and the production of PDA-based materials.
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Affiliation(s)
- Wei Cheng
- Institute of Pharmaceutics, School of Pharmaceutical Sciences (Shenzhen) , Sun Yat-sen University , Guangzhou 510275 , China
| | - Xiaowei Zeng
- Institute of Pharmaceutics, School of Pharmaceutical Sciences (Shenzhen) , Sun Yat-sen University , Guangzhou 510275 , China
- Division of Chemistry and Biological Chemistry, School of Physical and Mathematical Sciences , Nanyang Technological University , 21 Nanyang Link , 637371 Singapore
| | - Hongzhong Chen
- Division of Chemistry and Biological Chemistry, School of Physical and Mathematical Sciences , Nanyang Technological University , 21 Nanyang Link , 637371 Singapore
| | - Zimu Li
- Institute of Pharmaceutics, School of Pharmaceutical Sciences (Shenzhen) , Sun Yat-sen University , Guangzhou 510275 , China
| | - Wenfeng Zeng
- Institute of Pharmaceutics, School of Pharmaceutical Sciences (Shenzhen) , Sun Yat-sen University , Guangzhou 510275 , China
| | - Lin Mei
- Institute of Pharmaceutics, School of Pharmaceutical Sciences (Shenzhen) , Sun Yat-sen University , Guangzhou 510275 , China
| | - Yanli Zhao
- Division of Chemistry and Biological Chemistry, School of Physical and Mathematical Sciences , Nanyang Technological University , 21 Nanyang Link , 637371 Singapore
- School of Materials Science and Engineering , Nanyang Technological University , 50 Nanyang Avenue , 639798 Singapore
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20
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Zhang J, Chen Y, Zheng Z, Wang Z, Zheng Y, Lin X, Weng S. Fluorescence sensing of tyrosinase activity based on amine rich carbon dots through direct interaction in a homogeneous system: detection mechanism and application. RSC Adv 2019; 9:20029-20034. [PMID: 35514717 PMCID: PMC9065479 DOI: 10.1039/c9ra03098k] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2019] [Accepted: 06/12/2019] [Indexed: 12/20/2022] Open
Abstract
As a vital, copper-containing oxidase, tyrosinase (TYR) is useful as a biomarker for the screening of skin diseases. In this paper, a convenient and sensitive homogeneous fluorescence detection platform for the assay of TYR activity without any modified steps is described. Inspired by the fact that carbon dots (CDs) with excellent properties can be obtained through some surface modification, amine rich carbon dots (N-CDs) using a nitrogen doping process were developed as the fluorescent probe for this assay. The effect and the response mechanism of the degree of nitrogen doping in relation to the response of different CDs to the sensing of TYR activity using dopamine (DA) as a substrate were investigated. The DA was oxidized to o-dopaquinone with the catalyzation of TYR and quenched the fluorescence of the N-CDs by direct interaction. By using a set concentration of DA and other optimized reaction conditions, the fluorescence intensity of the N-CDs was directly applied to monitor the TYR activity. This assay for TYR activity showed a broad linear range from 0.05 to 6.0 U mL-1 with a detection limit of 0.039 U mL-1. The satisfactory recovery of the sensor for TYR activity in diluted human serum illustrated a potential clinical application.
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Affiliation(s)
- Jianzhong Zhang
- Department of Gastric Surgery, Fujian Medical University Union Hospital Fuzhou 350001 China
| | - Yuyuan Chen
- Department of Pharmaceutical Analysis, The Higher Educational Key Laboratory for Nano Biomedical Technology of Fujian Province, School of Pharmacy, Fujian Medical University Fuzhou 350122 China
| | | | - Zhenzhen Wang
- Department of Pharmaceutical Analysis, The Higher Educational Key Laboratory for Nano Biomedical Technology of Fujian Province, School of Pharmacy, Fujian Medical University Fuzhou 350122 China
| | - Yanjie Zheng
- Department of Pharmaceutical Analysis, The Higher Educational Key Laboratory for Nano Biomedical Technology of Fujian Province, School of Pharmacy, Fujian Medical University Fuzhou 350122 China
| | - Xinhua Lin
- Department of Pharmaceutical Analysis, The Higher Educational Key Laboratory for Nano Biomedical Technology of Fujian Province, School of Pharmacy, Fujian Medical University Fuzhou 350122 China
| | - Shaohuang Weng
- Department of Pharmaceutical Analysis, The Higher Educational Key Laboratory for Nano Biomedical Technology of Fujian Province, School of Pharmacy, Fujian Medical University Fuzhou 350122 China
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Krajczewski J, Kudelski A. Shell-Isolated Nanoparticle-Enhanced Raman Spectroscopy. Front Chem 2019; 7:410. [PMID: 31214580 PMCID: PMC6558160 DOI: 10.3389/fchem.2019.00410] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2019] [Accepted: 05/20/2019] [Indexed: 11/25/2022] Open
Abstract
In 2010, Tian et al. reported the development of a new, relatively sensitive method of the chemical analysis of various surfaces, including buried interfaces (for example the surfaces of solid samples in a high-pressure gas or a liquid), which makes it possible to analyze various biological samples in situ. They called their method shell-isolated nanoparticle-enhanced Raman spectroscopy (SHINERS). SHINERS spectroscopy is a type of surface-enhanced Raman spectroscopy (SERS) in which an increase in the efficiency of the Raman scattering is induced by plasmonic nanoparticles acting as electromagnetic resonators that locally significantly enhance the electric field of the incident electromagnetic radiation. In the case of SHINERS measurements, the plasmonic nanoparticles are covered by a very thin transparent protective layer (formed, for example, from various oxides such as SiO2, MnO2, TiO2, or organic polymers) that does not significantly damp surface electromagnetic enhancement, but does separate the nanoparticles from direct contact with the probed material and keeps them from agglomerating. Preventing direct contact between the metal plasmonic structures and the analyzed samples is especially important when biological samples are investigated, because direct interaction between the metal nanoparticles and various biological molecules (e.g., peptides) may lead to a change in the structure of those biomolecules. In this mini-review, the state of the art of SHINERS spectroscopy is briefly described.
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Titania and Zinc Oxide Nanoparticles: Coating with Polydopamine and Encapsulation within Lecithin Liposomes—Water Treatment Analysis by Gel Filtration Chromatography with Fluorescence Detection. SEPARATIONS 2018. [DOI: 10.3390/separations5010013] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023] Open
Abstract
The interplay of metal oxide nanoparticles, environmental pollution, and health risks is key to all industrial and drinking water treatment processes. In this work we present a study using gel filtration chromatography for the analytical investigation of metal oxide nanoparticles in water, their coating with polydopamine, and their encapsulation within lecithin liposomes. Polydopamine prevents TiO2 and ZnO nanoparticles from aggregation during chromatographic separation. Lecithin forms liposomes that encapsulate the nanoparticles and carry them through the gel filtration column, producing an increase of peak area for quantitative analysis without any change in retention time to affect qualitative identification. To the best of our knowledge, this is the first report that demonstrates the potential application of lecithin liposomes for cleaning up metal oxide nanoparticles in water treatment. Encapsulation of graphene quantum dots by liposomes would allow for monitoring of nanoparticle-loaded liposomes to ensure their complete removal by membrane ultrafiltration from treated water.
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23
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Carvalho WSP, Wei M, Ikpo N, Gao Y, Serpe MJ. Polymer-Based Technologies for Sensing Applications. Anal Chem 2017; 90:459-479. [DOI: 10.1021/acs.analchem.7b04751] [Citation(s) in RCA: 31] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Affiliation(s)
| | - Menglian Wei
- Department of Chemistry, University of Alberta, Edmonton, Alberta T6G 2G2, Canada
| | - Nduka Ikpo
- Department of Chemistry, University of Alberta, Edmonton, Alberta T6G 2G2, Canada
| | - Yongfeng Gao
- Department of Chemistry, University of Alberta, Edmonton, Alberta T6G 2G2, Canada
| | - Michael J. Serpe
- Department of Chemistry, University of Alberta, Edmonton, Alberta T6G 2G2, Canada
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24
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Affiliation(s)
- Susan D Richardson
- Department of Chemistry and Biochemistry, University of South Carolina , Columbia, South Carolina 29205, United States
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