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Li R, Hu Y, Sun X, Zhang Z, Chen K, Liu Q, Chen X. Intra-nanoparticle plasmonic nanogap based spatial-confinement SERS analysis of polypeptides. Talanta 2024; 273:125899. [PMID: 38484502 DOI: 10.1016/j.talanta.2024.125899] [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] [Received: 12/25/2023] [Revised: 03/05/2024] [Accepted: 03/07/2024] [Indexed: 04/09/2024]
Abstract
Sensing and characterizing water-soluble polypeptides are essential in various biological applications. However, detecting polypeptides using Surface-Enhanced Raman Scattering (SERS) remains a challenge due to the dominance of aromatic amino acid residues and backbones in the signal, which hinders the detection of non-aromatic amino acid residues. Herein, intra-nanoparticle plasmonic nanogap were designed by etching the Ag shell in Au@AgNPs (i.e., obtaining AuAg cores) with chlorauric acid under mild conditions, at the same time forming the outermost Au shell and the void between the AuAg cores and the Au shell (AuAg@void@Au). By varying the Ag to added chloroauric acid molar ratios, we pioneered a simple, controllable, and general synthetic strategy to form interlayer-free nanoparticles with tunable Au shell thickness, achieving precise regulation of electric field enhancement within the intra-nanogap. As validation, two polypeptide molecules, bacitracin and insulin B, were successfully synchronously encapsulated and spatial-confined in the intra-nanogap for sensing. Compared with concentrated 50 nm AuNPs and Au@AgNPs as SERS substrates, our simultaneous detection method improved the sensitivity of the assay while benefiting to obtain more comprehensive characteristic peaks of polypeptides. The synthetic strategy of confining analytes while fabricating plasmonic nanostructures enables the diffusion of target molecules into the nanogap in a highly specific and sensitive manner, providing the majority of the functionality required to achieve peptide detection or sequencing without the hassle of labeling.
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Affiliation(s)
- Ruili Li
- College of Chemistry and Chemical Engineering, Central South University, Changsha 410083, China
| | - Yuyang Hu
- College of Chemistry and Chemical Engineering, Central South University, Changsha 410083, China
| | - Xiaotong Sun
- College of Chemistry and Chemical Engineering, Central South University, Changsha 410083, China
| | - Zhipeng Zhang
- College of Chemistry and Chemical Engineering, Central South University, Changsha 410083, China
| | - Kecen Chen
- College of Chemistry and Chemical Engineering, Central South University, Changsha 410083, China
| | - Qi Liu
- College of Chemistry and Chemical Engineering, Central South University, Changsha 410083, China.
| | - Xiaoqing Chen
- College of Chemistry and Chemical Engineering, Central South University, Changsha 410083, China; Xiangjiang Laboratory, Changsha 410205, China.
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2
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Dubkov S, Overchenko A, Novikov D, Kolmogorov V, Volkova L, Gorelkin P, Erofeev A, Parkhomenko Y. Single-Cell Analysis with Silver-Coated Pipette by Combined SERS and SICM. Cells 2023; 12:2521. [PMID: 37947599 PMCID: PMC10650894 DOI: 10.3390/cells12212521] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2023] [Revised: 10/13/2023] [Accepted: 10/17/2023] [Indexed: 11/12/2023] Open
Abstract
The study of individual cell processes that occur both on their surface and inside is highly interesting for the development of new medical drugs, cytology and cell technologies. This work presents an original technique for fabricating the silver-coated pipette and its use for the cell analysis by combination with surface-enhanced Raman spectroscopy (SERS) and scanning ion-conducting microscopy (SICM). Unlike the majority of other designs, the pipette opening in our case remains uncovered, which is important for SICM. SERS-active Ag nanoparticles on the pipette surface are formed by vacuum-thermal evaporation followed by annealing. An array of nanoparticles had a diameter on the order of 36 nm and spacing of 12 nm. A two-particle model based on Laplace equations is used to calculate a theoretical enhancement factor (EF). The surface morphology of the samples is investigated by scanning electron microscopy while SICM is used to reveal the surface topography, to evaluate Young's modulus of living cells and to control an injection of the SERS-active pipettes into them. A Raman microscope-spectrometer was used to collect characteristic SERS spectra of cells and cell components. Local Raman spectra were obtained from the cytoplasm and nucleus of the same HEK-293 cancer cell. The EF of the SERS-active pipette was 7 × 105. As a result, we demonstrate utilizing the silver-coated pipette for both the SICM study and the molecular composition analysis of cytoplasm and the nucleus of living cells by SERS. The probe localization in cells is successfully achieved.
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Affiliation(s)
- Sergey Dubkov
- Institute of Advanced Materials and Technologies, National Research University of Electronic Technology, 124498 Moscow, Russia
| | - Aleksei Overchenko
- Research Laboratory of Biophysics, National University of Science and Technology “MISIS” (MISIS), 119049 Moscow, Russia (P.G.); (A.E.)
- Molecular Nanophotonics Group, Peter Debye Institute for Soft Matter Physics, Leipzig University, 04109 Leipzig, Germany
| | - Denis Novikov
- Institute of Advanced Materials and Technologies, National Research University of Electronic Technology, 124498 Moscow, Russia
| | - Vasilii Kolmogorov
- Research Laboratory of Biophysics, National University of Science and Technology “MISIS” (MISIS), 119049 Moscow, Russia (P.G.); (A.E.)
- Department of Chemistry, Lomonosov Moscow State University, 119991 Moscow, Russia
| | - Lidiya Volkova
- Institute of Nanotechnology of Microelectronics RAS, 115487 Moscow, Russia
| | - Petr Gorelkin
- Research Laboratory of Biophysics, National University of Science and Technology “MISIS” (MISIS), 119049 Moscow, Russia (P.G.); (A.E.)
| | - Alexander Erofeev
- Research Laboratory of Biophysics, National University of Science and Technology “MISIS” (MISIS), 119049 Moscow, Russia (P.G.); (A.E.)
| | - Yuri Parkhomenko
- Research Laboratory of Biophysics, National University of Science and Technology “MISIS” (MISIS), 119049 Moscow, Russia (P.G.); (A.E.)
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3
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Wei Q, Dong Q, Pu H. Multiplex Surface-Enhanced Raman Scattering: An Emerging Tool for Multicomponent Detection of Food Contaminants. BIOSENSORS 2023; 13:296. [PMID: 36832062 PMCID: PMC9954132 DOI: 10.3390/bios13020296] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/05/2022] [Revised: 12/31/2022] [Accepted: 02/17/2023] [Indexed: 06/18/2023]
Abstract
For survival and quality of human life, the search for better ways to ensure food safety is constant. However, food contaminants still threaten human health throughout the food chain. In particular, food systems are often polluted with multiple contaminants simultaneously, which can cause synergistic effects and greatly increase food toxicity. Therefore, the establishment of multiple food contaminant detection methods is significant in food safety control. The surface-enhanced Raman scattering (SERS) technique has emerged as a potent candidate for the detection of multicomponents simultaneously. The current review focuses on the SERS-based strategies in multicomponent detection, including the combination of chromatography methods, chemometrics, and microfluidic engineering with the SERS technique. Furthermore, recent applications of SERS in the detection of multiple foodborne bacteria, pesticides, veterinary drugs, food adulterants, mycotoxins and polycyclic aromatic hydrocarbons are summarized. Finally, challenges and future prospects for the SERS-based detection of multiple food contaminants are discussed to provide research orientation for further.
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Affiliation(s)
- Qingyi Wei
- School of Food Science and Engineering, South China University of Technology, Guangzhou 510641, China
- Academy of Contemporary Food Engineering, South China University of Technology, Guangzhou Higher Education Mega Centre, Guangzhou 510006, China
- Engineering and Technological Research Centre of Guangdong Province on Intelligent Sensing and Process Control of Cold Chain Foods, Guangdong Province Engineering Laboratory for Intelligent Cold Chain Logistics Equipment for Agricultural Products, Guangzhou Higher Education Mega Centre, Guangzhou 510006, China
| | - Qirong Dong
- School of Food Science and Engineering, South China University of Technology, Guangzhou 510641, China
- Academy of Contemporary Food Engineering, South China University of Technology, Guangzhou Higher Education Mega Centre, Guangzhou 510006, China
- Engineering and Technological Research Centre of Guangdong Province on Intelligent Sensing and Process Control of Cold Chain Foods, Guangdong Province Engineering Laboratory for Intelligent Cold Chain Logistics Equipment for Agricultural Products, Guangzhou Higher Education Mega Centre, Guangzhou 510006, China
| | - Hongbin Pu
- School of Food Science and Engineering, South China University of Technology, Guangzhou 510641, China
- Academy of Contemporary Food Engineering, South China University of Technology, Guangzhou Higher Education Mega Centre, Guangzhou 510006, China
- Engineering and Technological Research Centre of Guangdong Province on Intelligent Sensing and Process Control of Cold Chain Foods, Guangdong Province Engineering Laboratory for Intelligent Cold Chain Logistics Equipment for Agricultural Products, Guangzhou Higher Education Mega Centre, Guangzhou 510006, China
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4
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Dong J, Wu H, Cao Y, Yuan J, Han Q, Gao W, Zhang C, Qi J, Sun M. Capillary-force-assisted self-assembly of gold nanoparticles into highly ordered plasmonic thin films for ultrasensitive SERS. Phys Chem Chem Phys 2023; 25:1649-1658. [PMID: 36541051 DOI: 10.1039/d2cp05158c] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
In this study, a capillary device based on the surface plasmon-enhanced Raman scattering effect was prepared by a simple and easy method. First, the capillary was treated with APTES solution. Due to the electrostatic effect, gold nanoparticles could be easily and tightly assembled in the capillary inner wall. On this basis, the effects of changing the concentration of APTES, the concentration of colloids and the soaking time of the capillary in the colloids on the assembly of gold nanoparticles on the inner wall of the capillary were studied, and the SERS enhancement effect under different conditions was analyzed, and the optimal solution was successfully found. At the same time, the reason why the capillary substrate shows better SERS performance than the traditional planar substrate is deeply discussed. Since the nanoparticles can be attached to the upper and lower surfaces of the inner wall of the capillary, the utilization rate of nanoparticles and laser is improved, thereby achieving higher enhancement. For the detection of the probe molecule rhodamine 6G, it was proved that the substrate has good uniformity and the lowest detection limit can reach 10-10 M. Finally, the real-life pesticide thiram and the food additive aspartame were tested, and the detection limits could reach 10-6 M and 0.25 g L-1. It is confirmed that the prepared capillary shows excellent SERS performance and can be used for rapid detection in various fields.
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Affiliation(s)
- Jun Dong
- School of Electronic Engineering, Xi'an University of Posts and Telecommunications, Xi'an, 710121, China.
| | - Haoran Wu
- School of Electronic Engineering, Xi'an University of Posts and Telecommunications, Xi'an, 710121, China.
| | - Yi Cao
- School of Mathematics and Physics, Beijing Key Laboratory for Magneto-Photoelectrical Composite and Interface Science, University of Science and Technology Beijing, Beijing, 100083, China.
| | - Jiaxin Yuan
- School of Electronic Engineering, Xi'an University of Posts and Telecommunications, Xi'an, 710121, China.
| | - Qingyan Han
- School of Electronic Engineering, Xi'an University of Posts and Telecommunications, Xi'an, 710121, China.
| | - Wei Gao
- School of Electronic Engineering, Xi'an University of Posts and Telecommunications, Xi'an, 710121, China.
| | - Chengyun Zhang
- School of Electronic Engineering, Xi'an University of Posts and Telecommunications, Xi'an, 710121, China.
| | - Jianxia Qi
- School of Science, Xi'an University of Posts and Telecommunications, Xi'an, 710121, China
| | - Mengtao Sun
- School of Mathematics and Physics, Beijing Key Laboratory for Magneto-Photoelectrical Composite and Interface Science, University of Science and Technology Beijing, Beijing, 100083, China.
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5
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Gouda M, Tadda MA, Zhao Y, Farmanullah F, Chu B, Li X, He Y. Microalgae Bioactive Carbohydrates as a Novel Sustainable and Eco-Friendly Source of Prebiotics: Emerging Health Functionality and Recent Technologies for Extraction and Detection. Front Nutr 2022; 9:806692. [PMID: 35387198 PMCID: PMC8979111 DOI: 10.3389/fnut.2022.806692] [Citation(s) in RCA: 20] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2021] [Accepted: 02/16/2022] [Indexed: 12/16/2022] Open
Abstract
There is a global interest in the novel consumption, nutritional trends, and the market of new prebiotic sources and their potential functional impacts. Commercially available nutritional supplements based on microalgae that are approved to be edible by FDA, like Arthrospira platensis (Cyanobacteria) and Chlorella vulgaris (Chlorophyta) become widely attractive. Microalgae are rich in carbohydrates, proteins, and polyunsaturated fatty acids that have high bioactivity. Recently, scientists are studying the microalgae polysaccharides (PS) or their derivatives (as dietary fibers) for their potential action as a novel prebiotic source for functional foods. Besides, the microalgae prebiotic polysaccharides are used for medication due to their antioxidant, anticancer, and antihypertensive bioactivities. This review provides an overview of microalgae prebiotics and other macromolecules’ health benefits. The phytochemistry of various species as alternative future sources of novel polysaccharides were mentioned. The application as well as the production constraints and multidisciplinary approaches for evaluating microalgae phytochemistry were discussed. Additionally, the association between this potential of combining techniques like spectroscopic, chromatographic, and electrochemical analyses for microalgae sensation and analysis novelty compared to the chemical methods was emphasized.
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Affiliation(s)
- Mostafa Gouda
- College of Biosystems Engineering and Food Science, Zhejiang University, Hangzhou, China
- Department of Nutrition and Food Science, National Research Centre, Giza, Egypt
- *Correspondence: Mostafa Gouda,
| | - Musa A. Tadda
- College of Biosystems Engineering and Food Science, Zhejiang University, Hangzhou, China
- Department of Agricultural and Environmental Engineering, Faculty of Engineering, Bayero University, Kano, Nigeria
| | - Yinglei Zhao
- College of Biosystems Engineering and Food Science, Zhejiang University, Hangzhou, China
- Institute of Agricultural Equipment, Zhejiang Academy of Agricultural Sciences, Hangzhou, China
| | - F. Farmanullah
- Faculty of Veterinary and Animal Sciences, National Center for Livestock Breeding Genetics and Genomics LUAWMS, Uthal, Pakistan
| | - Bingquan Chu
- School of Biological and Chemical Engineering, Zhejiang University of Science and Technology, Hangzhou, China
| | - Xiaoli Li
- College of Biosystems Engineering and Food Science, Zhejiang University, Hangzhou, China
- *Correspondence: Mostafa Gouda,
| | - Yong He
- College of Biosystems Engineering and Food Science, Zhejiang University, Hangzhou, China
- *Correspondence: Mostafa Gouda,
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6
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Kong YJ, Hou GZ, Gong ZN, Zhao FT, Han LJ. Fluorescence detection of malachite green and cations (Cr 3+, Fe 3+ and Cu 2+) by a europium-based coordination polymer. RSC Adv 2022; 12:8435-8442. [PMID: 35424814 PMCID: PMC8984937 DOI: 10.1039/d2ra00077f] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2022] [Accepted: 03/09/2022] [Indexed: 12/17/2022] Open
Abstract
A europium-based CP fluorescent sensor was synthesized and exhibited excellent recognition ability for malachite green (MG) and metal cations (Cr3+, Fe3+ and Cu2+).
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Affiliation(s)
- Ya-Jie Kong
- School of Chemistry, Chemical Engineering and Materials, Jining University, Qufu, Shandong, 273155, P. R. China
| | - Guo-Zheng Hou
- School of Chemistry, Chemical Engineering and Materials, Jining University, Qufu, Shandong, 273155, P. R. China
| | - Zhao-Ning Gong
- School of Chemistry, Chemical Engineering and Materials, Jining University, Qufu, Shandong, 273155, P. R. China
| | - Feng-Tan Zhao
- School of Chemistry, Chemical Engineering and Materials, Jining University, Qufu, Shandong, 273155, P. R. China
| | - Li-Juan Han
- School of Chemistry, Chemical Engineering and Materials, Jining University, Qufu, Shandong, 273155, P. R. China
- State Key Laboratory of Coordination Chemistry, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210023, P. R. China
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7
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Wang XA, Shen W, Zhou B, Yu D, Tang X, Liu J, Huang X. The rationality of using core -shell nanoparticles with embedded internal standards for SERS quantitative analysis based glycerol-assisted 3D hotspots platform. RSC Adv 2021; 11:20326-20334. [PMID: 35479874 PMCID: PMC9033995 DOI: 10.1039/d1ra01957k] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2021] [Accepted: 05/13/2021] [Indexed: 12/19/2022] Open
Abstract
Surface enhanced Raman spectroscopy (SERS) is a promising sensing technique that can provide unique chemical and structural fingerprint information, but gaining reliable SERS quantitative data with high sensitivity and stability still remains a challenge. Although using a molecule as an internal standard (IS) can improve the SERS quantitative capability, the reliability and SERS measuring conditions for signal fluctuations during calibration based on IS are yet to be explored when the embedded IS molecules and target objects are located in different environments. Herein, a 3D hotspot matrix SERS platform based on Au@4-MPy@AgNPs was constructed in water with the assistance of glycerol and the dynamic signal changes from the IS, i.e. 4-Mpy, and target molecules were monitored during the process of evaporation with high sensitivity and stability. In contrast to the traditional water-dispersed drying film system, the variation trends of IS and target molecules were consistent in the glycerol-assisted liquid film protection system. Therefore, it is reasonable to calibrate the signal fluctuation by utilizing the embedded IS based on the construction strategy of a glycerol-assisted 3D hotspot platform. This work demonstrates a rational, reliable and precise SERS quantitative technique for testing analyte concentrations in practical systems and has great application prospects in the field of analytical chemistry. 3D hotspots matrix SERS platform in water with the assistance of 2.5% v/v glycerol has been constructed and then used in investigating the rationality of using core–shell nanoparticles with embedded internal standards for SERS quantitative analysis.![]()
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Affiliation(s)
- Xiao-An Wang
- Environmental Materials and Pollution Control Laboratory, Institute of Solid State Physics, HFIPS, Chinese Academy of Sciences Hefei 230031 China +86-551-65591132 +86-551-65591142.,Institute of Physical Science and Information Technology, Anhui University Hefei 230601 China
| | - Wei Shen
- Environmental Materials and Pollution Control Laboratory, Institute of Solid State Physics, HFIPS, Chinese Academy of Sciences Hefei 230031 China +86-551-65591132 +86-551-65591142
| | - Binbin Zhou
- Environmental Materials and Pollution Control Laboratory, Institute of Solid State Physics, HFIPS, Chinese Academy of Sciences Hefei 230031 China +86-551-65591132 +86-551-65591142.,Department of Mechanical Engineering, City University of Hong Kong Kowloon Hong Kong China
| | - Daoyang Yu
- Environmental Materials and Pollution Control Laboratory, Institute of Solid State Physics, HFIPS, Chinese Academy of Sciences Hefei 230031 China +86-551-65591132 +86-551-65591142
| | - Xianghu Tang
- Environmental Materials and Pollution Control Laboratory, Institute of Solid State Physics, HFIPS, Chinese Academy of Sciences Hefei 230031 China +86-551-65591132 +86-551-65591142
| | - Jinhuai Liu
- Environmental Materials and Pollution Control Laboratory, Institute of Solid State Physics, HFIPS, Chinese Academy of Sciences Hefei 230031 China +86-551-65591132 +86-551-65591142.,Institute of Physical Science and Information Technology, Anhui University Hefei 230601 China
| | - Xingjiu Huang
- Environmental Materials and Pollution Control Laboratory, Institute of Solid State Physics, HFIPS, Chinese Academy of Sciences Hefei 230031 China +86-551-65591132 +86-551-65591142.,Institute of Physical Science and Information Technology, Anhui University Hefei 230601 China
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8
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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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9
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Wang Z, Zhu Q, Wang Y, Dou S, Chen Q, Lu N. Silver-nanoparticle-grafted silicon nanocones for reproducible Raman detection of trace contaminants in complex liquid environments. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2021; 251:119447. [PMID: 33461135 DOI: 10.1016/j.saa.2021.119447] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/03/2020] [Revised: 12/17/2020] [Accepted: 01/04/2021] [Indexed: 06/12/2023]
Abstract
Super-hydrophobic delivery (SHD) is an efficient approach to enrich trace analytes into hot spot regions for ultrasensitive surface-enhanced Raman scattering (SERS) detection. In this article, we propose an efficient and simple method to prepare a highly-uniform SHD-SERS platform of high performance in trace detection, named as "silver-nanoparticle-grafted silicon nanocones" (termed AgNPs/SiNC) platform. It is fabricated via droplet-confined electroless deposition on the super-hydrophobic SiNC array. The AgNPs/SiNC platform allows trace analytes enriched into hot spots formed by AgNPs, leading to an excellent reproducibility and sensitivity. The relative standard deviation (RSD) for detecting R6G (10-7 M) is down to 4.70% and the lowest detection concentration for R6G is 10-14 M. Moreover, various contaminants in complex liquid environments, such as, crystal violet (10-9 M) in lake water, melamine (10-7 M) in liquid milk and methyl parathion (10-7 M) in tap water, can be detected using the SERS platform. This result demonstrates the great potential of the AgNPs/SiNC platform in the fields of food safety and environmental monitoring.
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Affiliation(s)
- Zhongshun Wang
- State Key Laboratory of Supramolecular Structure and Materials, College of Chemistry, Jilin University, Changchun 130012, PR China
| | - Qunyan Zhu
- State Key Laboratory of Supramolecular Structure and Materials, College of Chemistry, Jilin University, Changchun 130012, PR China
| | - Yalei Wang
- State Key Laboratory of Supramolecular Structure and Materials, College of Chemistry, Jilin University, Changchun 130012, PR China
| | - Shuzhen Dou
- State Key Laboratory of Supramolecular Structure and Materials, College of Chemistry, Jilin University, Changchun 130012, PR China
| | - Qiye Chen
- State Key Laboratory of Supramolecular Structure and Materials, College of Chemistry, Jilin University, Changchun 130012, PR China
| | - Nan Lu
- State Key Laboratory of Supramolecular Structure and Materials, College of Chemistry, Jilin University, Changchun 130012, PR China.
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10
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Gouda M, Chen K, Li X, Liu Y, He Y. Detection of microalgae single-cell antioxidant and electrochemical potentials by gold microelectrode and Raman micro-spectroscopy combined with chemometrics. SENSORS AND ACTUATORS B: CHEMICAL 2021; 329:129229. [DOI: 10.1016/j.snb.2020.129229] [Citation(s) in RCA: 23] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/29/2024]
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11
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Mao K, Yang Z, Zhang H, Li X, Cooper JM. Paper-based nanosensors to evaluate community-wide illicit drug use for wastewater-based epidemiology. WATER RESEARCH 2021; 189:116559. [PMID: 33161329 DOI: 10.1016/j.watres.2020.116559] [Citation(s) in RCA: 25] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/02/2020] [Revised: 10/20/2020] [Accepted: 10/22/2020] [Indexed: 06/11/2023]
Abstract
Wastewater-based epidemiology (WBE) is a powerful technique for monitoring illicit drugs of abuse in the community. Here, we report upon a surface-enhanced Raman spectroscopy (SERS) sensor for the sensitive and selective detection of methamphetamine based upon the assembly of noble metal core-shell nanoparticles on a bespoke glassy nanofibrous electrospun paper matrix. The hierarchical structure of the fibrous paper, modified with the synthesized Au@Ag core-shells (Au@Ag) gave strong SERS signalling, enabling us to evaluate the community-wide prevalence of methamphetamine in wastewater treatment plants within Beijing. We show that, when normalized for the daily flow of the wastewater treatment plants and for population density, higher mass loads of drugs are generally found in sewage influent from urban areas, implying greater local methamphetamine usage than that in less populated areas. The user-friendly and disposable paper sensors demonstrate the applicability of rapid on-site illicit drug detection, illustrating the application to wastewater-based epidemiology, which has the potential to inform government agencies regarding societal interventions.
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Affiliation(s)
- Kang Mao
- State Key Laboratory of Environmental Geochemistry, Institute of Geochemistry, Chinese Academy of Sciences, Guiyang, 550081, China; Division of Biomedical Engineering, James Watt School of Engineering, University of Glasgow, G12 8LT, Glasgow, United Kingdom
| | - Zhugen Yang
- Cranfield Water Science Institute, Cranfield University, Cranfield, MK43 0AL, United Kingdom.
| | - Hua Zhang
- State Key Laboratory of Environmental Geochemistry, Institute of Geochemistry, Chinese Academy of Sciences, Guiyang, 550081, China.
| | - Xiqing Li
- Laboratory for Earth Surface Processes, College of Urban and Environmental Sciences, Peking University, Beijing 100871, China.
| | - Jonathan M Cooper
- Division of Biomedical Engineering, James Watt School of Engineering, University of Glasgow, G12 8LT, Glasgow, United Kingdom
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12
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Zhang Y, Wu G, Wei J, Ding Y, Wei Y, Liu Q, Chen H. Rapid and sensitive detection of rotavirus by surface-enhanced Raman scattering immunochromatography. Mikrochim Acta 2021; 188:3. [PMID: 33389215 DOI: 10.1007/s00604-020-04670-4] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2020] [Accepted: 11/24/2020] [Indexed: 02/06/2023]
Abstract
A surface-enhanced Raman scattering (SERS) immunochromatographic assay (ICA) has been developed for rapid, ultrasensitive, and quantitative detection of rotavirus in feces using double Raman molecule-labeled Au-core Ag-shell nanoparticles. The Raman signals are generated by 5,5'-dithiobis-(2-nitrobenzoic acid) and the intensity of the characteristic peak at 1334-1 cm was detected as the analytical signal. The Raman signals were enhanced by the SERS-enhanced effect of both Au and Ag, the large amount of Raman molecules, and the hot-spot effect in the narrow gap between the Au core and Ag shell. The SERS ICA can quantitatively detect rotavirus in a concentration range of 8- 40,000 pg/mL, with detection limits of 80 pg/mL and 8 pg/mL based on naked eye observation and SERS signal detection, respectively. No cross-reaction was observed from other common pathogens. The standard deviation of the intra- and inter-batch repetitive tests is less than 10%, and the coincidence between SERS ICA and RT-qPCR as well as commercial colloidal gold ICA is 100%. The results indicated that this SERS ICA is able to quantitatively detect rotavirus in feces in 20 min with high sensitivity, selectivity, reproducibility, and accuracy and might be a promising method for the early detection of rotavirus in clinical analysis.
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Affiliation(s)
- Yuxue Zhang
- College of Animal Science and Technology, Guangxi University, Nanning, 530004, China.,Beijing Institute of Radiation Medicine, Beijing, 100850, People's Republic of China
| | - Gang Wu
- College of Animal Science and Technology, Guangxi University, Nanning, 530004, China.,Beijing Institute of Radiation Medicine, Beijing, 100850, People's Republic of China
| | - Jiata Wei
- College of Animal Science and Technology, Guangxi University, Nanning, 530004, China.,Beijing Institute of Radiation Medicine, Beijing, 100850, People's Republic of China
| | - Yanlei Ding
- Beijing Institute of Radiation Medicine, Beijing, 100850, People's Republic of China
| | - Yingming Wei
- College of Animal Science and Technology, Guangxi University, Nanning, 530004, China
| | - Qiqi Liu
- Beijing Institute of Radiation Medicine, Beijing, 100850, People's Republic of China.
| | - Hailan Chen
- College of Animal Science and Technology, Guangxi University, Nanning, 530004, China.
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13
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Park JE, Oh N, Nam H, Park JH, Kim S, Jeon JS, Yang M. Efficient Capture and Raman Analysis of Circulating Tumor Cells by Nano-Undulated AgNPs-rGO Composite SERS Substrates. SENSORS (BASEL, SWITZERLAND) 2020; 20:E5089. [PMID: 32906807 PMCID: PMC7570931 DOI: 10.3390/s20185089] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/23/2020] [Revised: 09/02/2020] [Accepted: 09/05/2020] [Indexed: 12/12/2022]
Abstract
The analysis of circulating tumor cells (CTCs) in the peripheral blood of cancer patients is critical in clinical research for further investigation of tumor progression and metastasis. In this study, we present a novel surface-enhanced Raman scattering (SERS) substrate for the efficient capture and characterization of cancer cells using silver nanoparticles-reduced graphene oxide (AgNPs-rGO) composites. A pulsed laser reduction of silver nanowire-graphene oxide (AgNW-GO) mixture films induces hot-spot formations among AgNPs and artificial biointerfaces consisting of rGOs. We also use in situ electric field-assisted fabrication methods to enhance the roughness of the SERS substrate. The AgNW-GO mixture films, well suited for the proposed process due to its inherent electrophoretic motion, is adjusted between indium tin oxide (ITO) transparent electrodes and the nano-undulated surface is generated by applying direct-current (DC) electric fields during the laser process. As a result, MCF7 breast cancer cells are efficiently captured on the AgNPs-rGO substrates, about four times higher than the AgNWs-GO films, and the captured living cells are successfully analyzed by SERS spectroscopy. Our newly designed bifunctional substrate can be applied as an effective system for the capture and characterization of CTCs.
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Affiliation(s)
- Jong-Eun Park
- Department of Mechanical Engineering, Korea Advanced Institute of Science and Technology, Daejeon 34141, Korea; (J.-E.P.); (H.N.); (S.K.)
| | - Nuri Oh
- Department of Bio and Brain Engineering, Korea Advanced Institute of Science and Technology, Daejeon 34141, Korea; (N.O.); (J.-H.P.)
- Center for Systems Biology, Massachusetts General Hospital, Boston, MA 02114, USA
| | - Hyeono Nam
- Department of Mechanical Engineering, Korea Advanced Institute of Science and Technology, Daejeon 34141, Korea; (J.-E.P.); (H.N.); (S.K.)
| | - Ji-Ho Park
- Department of Bio and Brain Engineering, Korea Advanced Institute of Science and Technology, Daejeon 34141, Korea; (N.O.); (J.-H.P.)
| | - Sanha Kim
- Department of Mechanical Engineering, Korea Advanced Institute of Science and Technology, Daejeon 34141, Korea; (J.-E.P.); (H.N.); (S.K.)
| | - Jessie S. Jeon
- Department of Mechanical Engineering, Korea Advanced Institute of Science and Technology, Daejeon 34141, Korea; (J.-E.P.); (H.N.); (S.K.)
| | - Minyang Yang
- Department of Mechanical Engineering, Korea Advanced Institute of Science and Technology, Daejeon 34141, Korea; (J.-E.P.); (H.N.); (S.K.)
- Department of Mechanical Engineering, State University of New York Korea, Incheon 21985, Korea
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14
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Chi H, Wang C, Wang Z, Zhu H, Mesias VSD, Dai X, Chen Q, Liu W, Huang J. Highly reusable nanoporous silver sheet for sensitive SERS detection of pesticides. Analyst 2020; 145:5158-5165. [PMID: 32725005 DOI: 10.1039/d0an00999g] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Abstract
Surface-enhanced Raman spectroscopy (SERS) enables pesticide detection at the point-of-need, but its practical application is limited by expensive and disposable SERS substrates. Here, we report a reusable nanoporous silver (NPAg) sheet for the SERS detection of organochlorine pesticides, aiming to maximize the cost-efficiency of substrate regeneration. The NPAg sheet is prepared by a reduction-induced decomposition method without chemical induced random aggregations. This SERS substrate is sensitive to various analytes regardless of their affinity to a metal surface such as rhodamine B, dichlorodiphenyl-trichloroethane (DDT), and lindane due to its large surface area and the coral rock-like morphology. The SERS signal of lindane, a typical organochlorine pesticide, is identified and quantified with a minimum detectable concentration of 3 × 10-7 M (87 ppb), which is below the maximum residue limits in various foods set by the regulators across the world. More importantly, after a few minutes of ultrasonic cleaning in water, the NPAg sheet can be reused at least 20 times with a reproducible SERS activity. Furthermore, the NPAg sheet remains stable in terms of its sensitivity and reusability after several months of bare strorage. Therefore, the NPAg sheet as a SERS substrate holds great promise for mass production and convenient applications in low-cost pesticide analysis.
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Affiliation(s)
- Huanyu Chi
- HKUST-Shenzhen Research Institute, No. 9 Yuexing first RD, Hi-tech Park, Nanshan, Shenzhen 518057, China. .,Department of Chemistry, The Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, Hong Kong, China
| | - Congcheng Wang
- Department of Mechanical and Aerospace Engineering, The Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, Hong Kong, China
| | - Zhien Wang
- Department of Chemistry, The Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, Hong Kong, China
| | - Hongni Zhu
- HKUST-Shenzhen Research Institute, No. 9 Yuexing first RD, Hi-tech Park, Nanshan, Shenzhen 518057, China. .,Department of Chemistry, The Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, Hong Kong, China
| | - Vince St Dollente Mesias
- Department of Chemistry, The Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, Hong Kong, China
| | - Xin Dai
- Department of Chemistry, The Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, Hong Kong, China
| | - Qing Chen
- HKUST-Shenzhen Research Institute, No. 9 Yuexing first RD, Hi-tech Park, Nanshan, Shenzhen 518057, China. .,Department of Chemistry, The Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, Hong Kong, China.,Department of Mechanical and Aerospace Engineering, The Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, Hong Kong, China
| | - Wei Liu
- Department of Chemistry, The University of Hong Kong, Pokfulam Road, Hong Kong, China
| | - Jinqing Huang
- HKUST-Shenzhen Research Institute, No. 9 Yuexing first RD, Hi-tech Park, Nanshan, Shenzhen 518057, China. .,Department of Chemistry, The Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, Hong Kong, China
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15
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Lin S, Hasi W, Han S, Lin X, Wang L. A dual-functional PDMS-assisted paper-based SERS platform for the reliable detection of thiram residue both on fruit surfaces and in juice. ANALYTICAL METHODS : ADVANCING METHODS AND APPLICATIONS 2020; 12:2571-2579. [PMID: 32930283 DOI: 10.1039/d0ay00483a] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
In this work, a dual-functional SERS platform was developed via a paper-based SERS substrate with the aid of hydrophobic polydimethylsiloxane (PDMS) for effective and reliable measurements of thiram on fruit surfaces and in juice. Specifically, the paper-based SERS substrate was fabricated by coating with a core-shell Au@Ag nanorod monolayer, and the SERS performance was optimized compared with multilayer adsorption. Moreover, a versatile SERS platform was constructed by simply pasting the paper-based substrate in reverse onto PDMS using polymethyl methacrylate (PMMA) tape. On the one hand, this detection platform was able to realize sample enrichment due to the excellent hydrophobicity of PDMS, thereby increasing the sensitivity of measurements, and its function was successfully displayed through the identification of thiram in orange juice. On the other hand, PDMS could also play a supporting role and the paper-based substrate reversely stuck on PDMS was able to extract samples on the side without nanoparticles, which greatly avoids damage to nanoparticles on the substrate. Therefore, the accuracy of analysis was significantly improved and the inspection of thiram on the surface of an orange was demonstrated based on this function. As a result, this proposed SERS platform provides a new strategy for preparing multifunctional SERS sensors for the on-site monitoring of chemical contaminants in the food-safety field.
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Affiliation(s)
- Shuang Lin
- National Key Laboratory of Science and Technology on Tunable Laser, Harbin Institute of Technology, Harbin, 150080, P. R. China.
- School of Physics and Materials Engineering, Dalian Minzu University, Dalian, 116600 P. R. China.
| | - Wuliji Hasi
- National Key Laboratory of Science and Technology on Tunable Laser, Harbin Institute of Technology, Harbin, 150080, P. R. China.
| | - Siqingaowa Han
- National Key Laboratory of Science and Technology on Tunable Laser, Harbin Institute of Technology, Harbin, 150080, P. R. China.
- Affiliated Hospital, Inner Mongolia University for the Nationalities, Inner Mongolia, Tongliao 028007, P. R. China
| | - Xiang Lin
- School of Physics and Materials Engineering, Dalian Minzu University, Dalian, 116600 P. R. China.
| | - Li Wang
- School of Physics and Materials Engineering, Dalian Minzu University, Dalian, 116600 P. R. China.
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16
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In situ homogeneous formation of Au@AgNPs for the rapid determination of formaldehyde residues by surface-enhanced Raman spectroscopy coupled with microhydrodistillation. Mikrochim Acta 2020; 187:353. [DOI: 10.1007/s00604-020-04332-5] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2019] [Accepted: 05/15/2020] [Indexed: 12/22/2022]
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17
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Lin S, Hasi W, Lin X, Han S, Xiang T, Liang S, Wang L. Lab-On-Capillary Platform for On-Site Quantitative SERS Analysis of Surface Contaminants Based on Au@4-MBA@Ag Core-Shell Nanorods. ACS Sens 2020; 5:1465-1473. [PMID: 32268725 DOI: 10.1021/acssensors.0c00398] [Citation(s) in RCA: 31] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
Abstract
A portable and highly reproducible lab-on-capillary surface-enhanced Raman scattering (SERS) platform was developed using a specially designed homemade device for rapid on-site SERS measurement. In particular, this platform was composed of a capillary with a tiny orifice, which allows an effective and lossless sample extraction, resulting in high SERS performance. The capillary-based plasmonic substrate was prepared by compactly assembling Au@Ag core-shell nanorods (NRs) embedded with the 4-mercaptobenzoic acid (4-MBA) molecule as an internal standard onto the inner wall of a capillary tube. The fabrication process is facile and convenient with no requirement for complicated procedures. The exclusively prepared nanoparticles were able to significantly improve the signal consistency and overcome the limitations of reliable quantitative SERS analysis compared with conventional methods. Importantly, it was found that this capillary-based substrate with higher sensitivity was essentially attributed to more valid nanoparticles in the effective laser excitation region derived from the unique structure of the capillary. Furthermore, the applicability of the Au@4-MBA@Ag nanorod-decorated capillary for the quantitative identification of fungicides (malachite green and crystal violet) on the shell was demonstrated. As a result, this proposed lab-on-capillary sensor holds promising practical potential for rapid on-site analysis, especially for various contaminants on an uneven surface.
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Affiliation(s)
- Shuang Lin
- National Key Laboratory of Science and Technology on Tunable Laser, Harbin Institute of Technology, Harbin 150080, P. R. China
- School of Physics and Materials Engineering, Dalian Minzu University, Dalian 116600, P. R. China
| | - Wuliji Hasi
- National Key Laboratory of Science and Technology on Tunable Laser, Harbin Institute of Technology, Harbin 150080, P. R. China
| | - Xiang Lin
- School of Physics and Materials Engineering, Dalian Minzu University, Dalian 116600, P. R. China
| | - Siqingaowa Han
- National Key Laboratory of Science and Technology on Tunable Laser, Harbin Institute of Technology, Harbin 150080, P. R. China
- Affiliated Hospital, Inner Mongolia University for the Nationalities,Tongliao 028007, P. R. China
| | - Ting Xiang
- School of Physics and Materials Engineering, Dalian Minzu University, Dalian 116600, P. R. China
| | - Shan Liang
- School of Physics and Materials Engineering, Dalian Minzu University, Dalian 116600, P. R. China
| | - Li Wang
- School of Physics and Materials Engineering, Dalian Minzu University, Dalian 116600, P. R. China
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18
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Zhu C, Zhao Q, Meng G, Wang X, Hu X, Han F, Lei Y. Silver nanoparticle-assembled micro-bowl arrays for sensitive SERS detection of pesticide residue. NANOTECHNOLOGY 2020; 31:205303. [PMID: 31995539 DOI: 10.1088/1361-6528/ab7100] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
It is of great significance to develop a simple and effective method for constructing large-scale high-quality surface-enhanced Raman scattering (SERS) substrate. Here, an Ag nanoparticle-assembled micro-bowl array was prepared by a close-packed polystyrene (PS) sphere monolayer templated electrodeposition approach. The fabricated Ag nanoparticle-assembled micro-bowl array shows high SERS sensitivity to rhodamine 6G (R6G) under an ultra-low concentration of 1 fM, and exhibits excellent SERS spectral uniformity with a small relative standard deviation (RSD) of 7.6% and good reproducibility (a RSD ∼8.2% for the average peak intensities from different batches of SERS substrates). The fabricated micro-bowl array SERS substrate was employed to detect pesticide residue (thiram and methyl parathion) on vegetables. The limit of detections (LODs) for the two pesticides are lower than the maximum residue limits (MRLs) set by the European Union respectively, showing promising application in rapid inspection of food safety.
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Affiliation(s)
- Chuhong Zhu
- Key Laboratory of Materials Physics, CAS Center for Excellence in Nanoscience, and Anhui Key Laboratory of Nanomaterials and Nanotechnology, Institute of Solid State Physics, Chinese Academy of Sciences, Hefei 230031, People's Republic of China. College of Chemistry & Chemical Engineering, and Institute of Physical Science and Information Technology, Anhui University, Hefei 230601, People's Republic of China
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19
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Liu J, Hong Z, Yang W, Liu C, Lu Z, Wu L, Foda MF, Yang Z, Han H, Zhao Y. Bacteria Inspired Internal Standard SERS Substrate for Quantitative Detection. ACS APPLIED BIO MATERIALS 2020; 4:2009-2019. [DOI: 10.1021/acsabm.0c00263] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Affiliation(s)
- Jiawei Liu
- State Key Laboratory of Agricultural Microbiology, College of Science, Huazhong Agricultural University, Wuhan 430070, People’s Republic of China
- Division of Chemistry and Biological Chemistry, School of Physical and Mathematical Sciences, Nanyang Technological University, 21 Nanyang Link, Singapore 637371, Singapore
| | - Zilan Hong
- State Key Laboratory of Agricultural Microbiology, College of Science, Huazhong Agricultural University, Wuhan 430070, People’s Republic of China
| | - Weimin Yang
- Department of Physics, Xiamen University, Xiamen 361005, People’s Republic of China
| | - Chen Liu
- Leibniz Institute of Photonic Technology Jena—Member of the Research Alliance “Leibniz Health Technologies”, Jena 07745, Germany
- Institute of Physical Chemistry and Abbe Center of Photonics, Friedrich Schiller University Jena, Jena 07743, Germany
| | - Zhicheng Lu
- State Key Laboratory of Agricultural Microbiology, College of Science, Huazhong Agricultural University, Wuhan 430070, People’s Republic of China
| | - Long Wu
- State Key Laboratory of Agricultural Microbiology, College of Science, Huazhong Agricultural University, Wuhan 430070, People’s Republic of China
| | - Mohamed F. Foda
- State Key Laboratory of Agricultural Microbiology, College of Science, Huazhong Agricultural University, Wuhan 430070, People’s Republic of China
| | - Zhilin Yang
- Department of Physics, Xiamen University, Xiamen 361005, People’s Republic of China
| | - Heyou Han
- State Key Laboratory of Agricultural Microbiology, College of Science, Huazhong Agricultural University, Wuhan 430070, People’s Republic of China
| | - Yanli Zhao
- Division of Chemistry and Biological Chemistry, School of Physical and Mathematical Sciences, Nanyang Technological University, 21 Nanyang Link, Singapore 637371, Singapore
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20
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Lin S, Lin X, Han S, Liu Y, Hasi W, Wang L. Flexible fabrication of a paper-fluidic SERS sensor coated with a monolayer of core–shell nanospheres for reliable quantitative SERS measurements. Anal Chim Acta 2020; 1108:167-176. [DOI: 10.1016/j.aca.2020.02.034] [Citation(s) in RCA: 28] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2019] [Revised: 02/13/2020] [Accepted: 02/16/2020] [Indexed: 01/22/2023]
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21
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Li J, Wang W, Zhang H, Lu Z, Wu W, Shu M, Han H. Programmable DNA Tweezer-Actuated SERS Probe for the Sensitive Detection of AFB1. Anal Chem 2020; 92:4900-4907. [DOI: 10.1021/acs.analchem.9b04822] [Citation(s) in RCA: 38] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Affiliation(s)
- Jinjie Li
- State Key Laboratory of Agricultural Microbiology, College of Food Science and Technology, Huazhong Agricultural University, Wuhan, Hubei 430070, People’s Republic of China
| | - Wenjing Wang
- State Key Laboratory of Agricultural Microbiology, College of Science, Huazhong Agricultural University, Wuhan, Hubei 430070, People’s Republic of China
| | - Hao Zhang
- State Key Laboratory of Agricultural Microbiology, College of Science, Huazhong Agricultural University, Wuhan, Hubei 430070, People’s Republic of China
| | - Zhicheng Lu
- State Key Laboratory of Agricultural Microbiology, College of Science, Huazhong Agricultural University, Wuhan, Hubei 430070, People’s Republic of China
| | - Wenxin Wu
- State Key Laboratory of Agricultural Microbiology, College of Science, Huazhong Agricultural University, Wuhan, Hubei 430070, People’s Republic of China
| | - Mingbo Shu
- State Key Laboratory of Agricultural Microbiology, College of Science, Huazhong Agricultural University, Wuhan, Hubei 430070, People’s Republic of China
| | - Heyou Han
- State Key Laboratory of Agricultural Microbiology, College of Food Science and Technology, Huazhong Agricultural University, Wuhan, Hubei 430070, People’s Republic of China
- State Key Laboratory of Agricultural Microbiology, College of Science, Huazhong Agricultural University, Wuhan, Hubei 430070, People’s Republic of China
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22
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Dey P, Tabish TA, Mosca S, Palombo F, Matousek P, Stone N. Plasmonic Nanoassemblies: Tentacles Beat Satellites for Boosting Broadband NIR Plasmon Coupling Providing a Novel Candidate for SERS and Photothermal Therapy. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2020; 16:e1906780. [PMID: 31997560 DOI: 10.1002/smll.201906780] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/21/2019] [Revised: 12/27/2019] [Indexed: 06/10/2023]
Abstract
Optical theranostic applications demand near-infrared (NIR) localized surface plasmon resonance (LSPR) and maximized electric field at nanosurfaces and nanojunctions, aiding diagnosis via Raman or optoacoustic imaging, and photothermal-based therapies. To this end, multiple permutations and combinations of plasmonic nanostructures and molecular "glues" or linkers are employed to obtain nanoassemblies, such as nanobranches and core-satellite morphologies. An advanced nanoassembly morphology comprising multiple linear tentacles anchored onto a spherical core is reported here. Importantly, this core-multi-tentacle-nanoassembly (CMT) benefits from numerous plasmonic interactions between multiple 5 nm gold nanoparticles (NPs) forming each tentacle as well as tentacle to core (15 nm) coupling. This results in an intense LSPR across the "biological optical window" of 650-1100 nm. It is shown that the combined interactions are responsible for the broadband LSPR and the intense electric field, otherwise not achievable with core-satellite morphologies. Further the sub 80 nm CMTs boosted NIR-surface-enhanced Raman scattering (SERS), with detection of SERS labels at 47 × 10-9 m, as well as lower toxicity to noncancerous cell lines (human fibroblast Wi38) than observed for cancerous cell lines (human breast cancer MCF7), presents itself as an attractive candidate for use as biomedical theranostics agents.
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Affiliation(s)
- Priyanka Dey
- School of Physics and Astronomy, University of Exeter, Exeter, EX4 4QL, UK
| | - Tanveer A Tabish
- School of Physics and Astronomy, University of Exeter, Exeter, EX4 4QL, UK
| | - Sara Mosca
- Central Laser Facility, Research Complex at Harwell, STFC Rutherford Appleton Laboratory, UK Research and Innovation, Harwell Campus, Didcot, OX11 0QX, UK
| | - Francesca Palombo
- School of Physics and Astronomy, University of Exeter, Exeter, EX4 4QL, UK
| | - Pavel Matousek
- Central Laser Facility, Research Complex at Harwell, STFC Rutherford Appleton Laboratory, UK Research and Innovation, Harwell Campus, Didcot, OX11 0QX, UK
| | - Nicholas Stone
- School of Physics and Astronomy, University of Exeter, Exeter, EX4 4QL, UK
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23
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Wei Z, Li H, Wu J, Dong Y, Zhang H, Chen H, Ren C. 3DRGO-NiFe2O4/NiO nanoparticles for fast and simple detection of organophosphorus pesticides. CHINESE CHEM LETT 2020. [DOI: 10.1016/j.cclet.2019.05.031] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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24
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Guo Y, Pan X, Zhang W, Hu Z, Wong KW, He Z, Li HW. Label-free probes using DNA-templated silver nanoclusters as versatile reporters. Biosens Bioelectron 2019; 150:111926. [PMID: 31929081 DOI: 10.1016/j.bios.2019.111926] [Citation(s) in RCA: 36] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2019] [Revised: 11/17/2019] [Accepted: 11/25/2019] [Indexed: 12/17/2022]
Abstract
DNA-templated silver nanoclusters (DNA-AgNCs) have demonstrated pervasive applications in analytical chemistry recently. As a way of signal output in DNA-based detection methods, DNA-AgNCs have prominent advantages: first, the recognition and synthesizing sequences are naturally integrated in one DNA probe without any chemical modification or connection; second, the emissive wavelength of DNA-AgNCs can be adjusted in a wide range by employing different sequences; third, DNA-AgNCs can be utilized for producing not only fluorescence, also electrochemiluminescence and electrochemical signals. Besides, they also show potential applications for cell imaging, and are considered to be one of the most ideal nanomaterials for in-vivo imaging due to their ultra-small particle size. In this review, a brief and comprehensive introduction of DNA-AgNCs is firstly given, then label-free probes using DNA-AgNCs are classified and summarized, lastly concluding perspectives are provided on the defects and application potentials.
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Affiliation(s)
- Yahui Guo
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, 214122, China; Department of Chemistry, Hong Kong Baptist University, Kowloon Tong, Hong Kong, China
| | - Xinyue Pan
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, 214122, China
| | - Wenya Zhang
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, 214122, China
| | - Zhigang Hu
- Wuxi Children's Hospital, Wuxi People's Hospital Affiliated to Nanjing Medical University, Wuxi, China
| | - Ka-Wang Wong
- Department of Chemistry, Hong Kong Baptist University, Kowloon Tong, Hong Kong, China
| | - Zhike He
- College of Chemistry and Molecular Sciences, Wuhan University, Wuhan, 430072, China
| | - Hung-Wing Li
- Department of Chemistry, Hong Kong Baptist University, Kowloon Tong, Hong Kong, China.
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25
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Ouyang L, Dai P, Yao L, Zhou Q, Tang H, Zhu L. A functional Au array SERS chip for the fast inspection of pesticides in conjunction with surface extraction and coordination transferring. Analyst 2019; 144:5528-5537. [PMID: 31402359 DOI: 10.1039/c9an01123d] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
The fast inspection of the pesticide residues on fruits and vegetables requires the development of facile, sensitive and accurate methods. Surface enhanced Raman scattering (SERS) is a promising way to provide a fast inspection method, which requires significant improvements in the reproducibility and feasibility. In the present work, an SERS method was developed for the fast inspection of pesticides on fruit peels in conjunction with surface extraction and coordination transferring. In this new method, the residual pesticides were directly extracted from fruit peels with an appropriate extraction solution and then quantitatively transferred onto an organic solvent-compatible Au array SERS chip through the strong chemical interactions between the heteroatoms in the pesticides and the gold surface. The functional SERS chip was fabricated by the interfacial assembly of an Au array on a membrane, which produced dense and uniformly distributed SERS hot spots and enabled compatibility with random curvature surfaces and handheld Raman spectrometers. As a proof of concept, sulfur atoms containing thiram on apples were detected at a concentration as low as 5 ng cm-2 with good reproducibility (relative standard deviation lower than 10%). The strong interactions between the sulfur atoms and gold surface during the coordination transferring process were confirmed by the enhanced vibrations of the specified bands occurring in both the Raman and IR spectra. This surface extraction-coordination transferring-based method holds wide applicability for heteroatom-containing pesticides, as demonstrated by the detection of various S- and P-containing pesticides.
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Affiliation(s)
- Lei Ouyang
- School of Chemistry and Chemical Engineering, Hubei Key Laboratory of Bioinorganic Chemistry & Materia Medica, Huazhong University of Science and Technology, Wuhan 430074, China.
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26
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Wu H, Luo Y, Hou C, Huo D, Wang W, Zhao J, Lei Y. Rapid and fingerprinted monitoring of pesticide methyl parathion on the surface of fruits/leaves as well as in surface water enabled by gold nanorods based casting-and-sensing SERS platform. Talanta 2019; 200:84-90. [DOI: 10.1016/j.talanta.2019.03.004] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2018] [Revised: 02/26/2019] [Accepted: 03/01/2019] [Indexed: 12/24/2022]
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Liang X, Gao M, Xie H, Xu Q, Wu Y, Hu J, Lu A, Zhang L. Controllable Wrinkling Patterns on Chitosan Microspheres Generated from Self-Assembling Metal Nanoparticles. ACS APPLIED MATERIALS & INTERFACES 2019; 11:22824-22833. [PMID: 31188553 DOI: 10.1021/acsami.9b02127] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/21/2023]
Abstract
Materials with surface wrinkles at a micro/nanoscale possess extraordinary fascinating properties, and various techniques have been employed to create controllable wrinkles. Herein, natural polysaccharide was used to construct the surface wrinkled microsphere with controllable wrinkling patterns. A robust microsphere with an average size of about 55 μm fabricated from chitosan in alkali/urea aqueous solution was swelled and then coated orderly by introducing rigid silver nanoparticles (Ag NPs) with an average size of about 5 nm as the shell onto the surface through electrostatic layer-by-layer (LBL) self-assembly followed by deswelling, resulting in a surface wrinkled microsphere. The significant difference in the swelling behaviors between the stiff Ag shell and swelled chitosan microsphere could generate enough driving forces to form 3D micro- and nanoscale wrinkling surface topography. The surface wrinkled microspheres exhibited the hierarchically porous structure and hydrophobicity, and the topographical patterns could be adjusted by controlling the thickness of the Ag NP layer to achieve the sizes of wrinkling ranging from 60 to 300 nm. It was demonstrated that the wrinkled microspheres were superior as 3D surface-enhanced Raman spectroscopy (SERS) substrates, in which the wrinkled structure with spatial periodicity was proved to be effective for enhancing the SERS signal. The microsphere with controllable wrinkled surface topography could be applied to be a miniature 3D device, which promises potential technological applications in various areas.
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Affiliation(s)
- Xichao Liang
- College of Chemistry and Molecular Sciences , Wuhan University , Wuhan 430072 , China
| | - Mengyue Gao
- College of Chemistry and Molecular Sciences , Wuhan University , Wuhan 430072 , China
| | - Hongxia Xie
- College of Chemistry and Molecular Sciences , Wuhan University , Wuhan 430072 , China
| | - Qi Xu
- College of Chemistry and Molecular Sciences , Wuhan University , Wuhan 430072 , China
| | - Yuwei Wu
- College of Chemistry and Molecular Sciences , Wuhan University , Wuhan 430072 , China
| | - Jiming Hu
- College of Chemistry and Molecular Sciences , Wuhan University , Wuhan 430072 , China
| | - Ang Lu
- College of Chemistry and Molecular Sciences , Wuhan University , Wuhan 430072 , China
| | - Lina Zhang
- College of Chemistry and Molecular Sciences , Wuhan University , Wuhan 430072 , China
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28
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Zheng A, Shen C, Tang Q, Gong CB, Chow CF. Catalytic Chemosensing Assay for Selective Detection of Methyl Parathion Organophosphate Pesticide. Chemistry 2019; 25:9643-9649. [PMID: 31017704 DOI: 10.1002/chem.201901656] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2019] [Indexed: 11/11/2022]
Abstract
Herein, a catalytic chemosensing assay (CCA), based on a bimetallic complex, [RuII (bpy)2 (CN)2 ]2 (CuI I)2 (bpy=2,2'-bipyridine), is described. This complex integrates a task-specific catalyst (CuI -catalyst) and a signaling unit ([RuII (bpy)2 (CN)2 ]) to specifically hydrolyze methyl parathion, a highly toxic organophosphate (OP) pesticide. The bimetallic complex catalyzed the hydrolysis of the phosphate ester to generate o,o-dimethyl thiophosphate (DTP) anion and 4-nitrophenolate. Intrinsically, 4-nitrophenolate absorbed UV/Vis light at λmax =400 nm, creating the first level of the chemosensing signal. DTP interacted with the original complex to displace the chromophore, [RuII (bpy)2 (CN)2 ], which was monitored by spectrofluorometry; this was classified as the second level of chemosensing signal. By integrating both spectroscopic and spectrofluorometric signals with a simple AND logic gate, only methyl parathion was able to provide a positive response. Other aromatic and aliphatic OP pesticides (diazinon, fenthion, meviphos, terbufos, and phosalone) and 4-nitrophenyl acetate provided negative responses. Furthermore, owing to the metal-catalyzed hydrolysis of methyl parathion, the CCA system led to the detoxification of the pesticide. The CCA system also demonstrated its catalytic chemosensing properties in the detection of methyl parathion in real samples, including tap water, river water, and underground water.
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Affiliation(s)
- Anxun Zheng
- Department of Science and Environmental Studies, The Education University of Hong Kong, Southwest University, 10 Lo Ping Road, Tai Po Hong Kong SAR, China and College of, Chemistry and Chemical Engineering, Chong Qing, P. R. China
| | - Chang Shen
- Centre for Education in Environmental Sustainability, The Education University of Hong Kong, 10 Lo Ping Road, Tai Po, Hong Kong SAR, P. R. China
| | - Qian Tang
- Department of Science and Environmental Studies, The Education University of Hong Kong, Southwest University, 10 Lo Ping Road, Tai Po Hong Kong SAR, China and College of, Chemistry and Chemical Engineering, Chong Qing, P. R. China
| | - Cheng-Bin Gong
- Department of Science and Environmental Studies, The Education University of Hong Kong, Southwest University, 10 Lo Ping Road, Tai Po Hong Kong SAR, China and College of, Chemistry and Chemical Engineering, Chong Qing, P. R. China
| | - Cheuk-Fai Chow
- Department of Science and Environmental Studies, The Education University of Hong Kong, Southwest University, 10 Lo Ping Road, Tai Po Hong Kong SAR, China and College of, Chemistry and Chemical Engineering, Chong Qing, P. R. China
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29
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Liu S, Chen Y, Wang Y, Zhao G. Group-Targeting Detection of Total Steroid Estrogen Using Surface-Enhanced Raman Spectroscopy. Anal Chem 2019; 91:7639-7647. [DOI: 10.1021/acs.analchem.9b00534] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Affiliation(s)
| | | | - Ying Wang
- Shanghai Institute of Pollution Control and Ecological Security, Shanghai, 200092, China
| | - Guohua Zhao
- Shanghai Institute of Pollution Control and Ecological Security, Shanghai, 200092, China
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30
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A simple strategy to improve the sensitivity of probe molecules on SERS substrates. Talanta 2019; 195:221-228. [DOI: 10.1016/j.talanta.2018.11.040] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2018] [Revised: 11/06/2018] [Accepted: 11/13/2018] [Indexed: 11/13/2022]
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31
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Lin B, Chen J, Kannan P, Zeng Y, Qiu B, Guo L, Lin Z. Rapid synthesis of a highly active and uniform 3-dimensional SERS substrate for on-spot sensing of dopamine. Mikrochim Acta 2019; 186:260. [DOI: 10.1007/s00604-019-3357-1] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2018] [Accepted: 03/08/2019] [Indexed: 11/28/2022]
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32
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Fluorescent sensor for indirect measurement of methyl parathion based on alkaline-induced hydrolysis using N-doped carbon dots. Talanta 2019; 192:368-373. [DOI: 10.1016/j.talanta.2018.08.083] [Citation(s) in RCA: 36] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2018] [Revised: 08/09/2018] [Accepted: 08/29/2018] [Indexed: 12/17/2022]
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33
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Mao K, Zhou Z, Han S, Zhou X, Hu J, Li X, Yang Z. A novel biosensor based on Au@Ag core-shell nanoparticles for sensitive detection of methylamphetamine with surface enhanced Raman scattering. Talanta 2018; 190:263-268. [DOI: 10.1016/j.talanta.2018.07.071] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2018] [Revised: 07/17/2018] [Accepted: 07/22/2018] [Indexed: 12/17/2022]
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34
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Hahm E, Cha MG, Kang EJ, Pham XH, Lee SH, Kim HM, Kim DE, Lee YS, Jeong DH, Jun BH. Multilayer Ag-Embedded Silica Nanostructure as a Surface-Enhanced Raman Scattering-Based Chemical Sensor with Dual-Function Internal Standards. ACS APPLIED MATERIALS & INTERFACES 2018; 10:40748-40755. [PMID: 30375227 DOI: 10.1021/acsami.8b12640] [Citation(s) in RCA: 26] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
Surface-enhanced Raman scattering (SERS) spectroscopy is attractive in various detection analysis fields. However, the quantitative method using SERS spectroscopy remains as an area to be developed. The key issues in developing quantitative analysis methods by using SERS spectroscopy are the fabrication of reliable SERS-active materials such as nanoparticle-based structures and the acquisition of the SERS signal without any disturbance that may change the SERS signal intensity and frequency. Here, the fabrication of seamless multilayered core-shell nanoparticles with an embedded Raman label compound as an internal standard (MLRLC dots) for quantitative SERS analysis is reported. The embedded Raman label compound in the nanostructure provides a reference value for calibrating the SERS signals. By using the MLRLC dots, it is possible to gain target analyte signals of different concentrations while retaining the Raman signal of the internal standard. The ML4-BBT dots, containing 4-bromobenzenethiol (4-BBT) as an internal standard, are successfully applied in the quantitative analysis of 4-fluorobenzenethiol and thiram, a model pesticide. Additionally, ratiometric analysis was proved practical through normalization of the relative SERS intensity. The ratiometric strategy could be applied to various SERS substrates for quantitative detection of a wide variety of targets.
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Affiliation(s)
- Eunil Hahm
- Department of Bioscience and Biotechnology , Konkuk University , Seoul 05029 , Republic of Korea
| | | | - Eun Ji Kang
- Department of Bioscience and Biotechnology , Konkuk University , Seoul 05029 , Republic of Korea
| | - Xuan-Hung Pham
- Department of Bioscience and Biotechnology , Konkuk University , Seoul 05029 , Republic of Korea
| | - Sang Hun Lee
- Department of Bioengineering , University of California Berkeley , Berkeley , California 94720 , United States
| | - Hyung-Mo Kim
- Department of Bioscience and Biotechnology , Konkuk University , Seoul 05029 , Republic of Korea
| | - Dong-Eun Kim
- Department of Bioscience and Biotechnology , Konkuk University , Seoul 05029 , Republic of Korea
| | | | | | - Bong-Hyun Jun
- Department of Bioscience and Biotechnology , Konkuk University , Seoul 05029 , Republic of Korea
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35
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Chen M, Luo W, Liu Q, Hao N, Zhu Y, Liu M, Wang L, Yang H, Chen X. Simultaneous In Situ Extraction and Fabrication of Surface-Enhanced Raman Scattering Substrate for Reliable Detection of Thiram Residue. Anal Chem 2018; 90:13647-13654. [PMID: 30379069 DOI: 10.1021/acs.analchem.8b03940] [Citation(s) in RCA: 59] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
We report a novel strategy of simultaneous in situ extraction and fabrication of surface-enhanced Raman scattering substrate (IE-SERS) to perform selective and reliable on-site determination of thiram residue in soil, fruits, and vegetables. In this protocol, the thiram residue on complex surfaces can facilely diffuse into the solvent (dichloromethane (DCM)) and specifically bind to gold nanoparticles (AuNPs), affording the SERS substrate through the embedding of the thiram-trapped AuNPs into the cellulose p-toluenesulfonates (CTSAs) film through the evaporation of DCM. SERS signals of the specifically prepared CTSAs could be used as an internal standard to calibrate the absolute signal of thiram, which can avoid the fluctuation of SERS intensities caused by uneven and irregular morphology of SERS substrate. Thus, reliable quantitation of thiram through SERS detection and superior reproducibility in the SERS measurement (RSD = 4.21%) were achieved. As for directly sensing the thiram residue in soil, the established method shows strong anti-interference ability and a good linear response from 0.1 to 12 μg/g with a low limit of detection (LOD) of 50 ng/g, which is lower than that of all the previously reported methods. The recoveries range from 91.76 to 112.3% for thiram in paddy soils, indicating that the established IE-SERS method is reliable and applicable to the detection of thiram residue in real soil samples. In addition, the measurement of the residual thiram on strawberry and cucumber surface was also successfully accomplished by this strategy, indicating that the established method also has great potential in the in situ ultrasensitive detection of thiram on irregular fruits and vegetables.
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Affiliation(s)
- Miao Chen
- College of Chemistry and Chemical Engineering , Central South University , Changsha 410083 , Hunan , China
| | - Wen Luo
- College of Chemistry and Chemical Engineering , Central South University , Changsha 410083 , Hunan , China
| | - Qi Liu
- College of Chemistry and Chemical Engineering , Central South University , Changsha 410083 , Hunan , China
| | - Naiying Hao
- College of Chemistry and Chemical Engineering , Central South University , Changsha 410083 , Hunan , China
| | - Yuqiu Zhu
- College of Chemistry and Chemical Engineering , Central South University , Changsha 410083 , Hunan , China
| | - Minzhuo Liu
- College of Chemistry and Chemical Engineering , Central South University , Changsha 410083 , Hunan , China
| | - Lumin Wang
- College of Chemistry and Chemical Engineering , Central South University , Changsha 410083 , Hunan , China
| | - Hua Yang
- College of Chemistry and Chemical Engineering , Central South University , Changsha 410083 , Hunan , China
| | - Xiaoqing Chen
- College of Chemistry and Chemical Engineering , Central South University , Changsha 410083 , Hunan , China.,Key Laboratory of Hunan Province for Water Environment and Agriculture Product Safety , Central South University , Changsha 410083 , Hunan , China
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36
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Polymeric ionic liquid-based portable tip microextraction device for on-site sample preparation of water samples. J Chromatogr A 2018; 1564:34-41. [DOI: 10.1016/j.chroma.2018.06.002] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2018] [Revised: 05/30/2018] [Accepted: 06/03/2018] [Indexed: 12/25/2022]
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37
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Shi R, Liu X, Ying Y. Facing Challenges in Real-Life Application of Surface-Enhanced Raman Scattering: Design and Nanofabrication of Surface-Enhanced Raman Scattering Substrates for Rapid Field Test of Food Contaminants. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2018; 66:6525-6543. [PMID: 28920678 DOI: 10.1021/acs.jafc.7b03075] [Citation(s) in RCA: 53] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/09/2023]
Abstract
Surface-enhanced Raman scattering (SERS) is capable of detecting a single molecule with high specificity and has become a promising technique for rapid chemical analysis of agricultural products and foods. With a deeper understanding of the SERS effect and advances in nanofabrication technology, SERS is now on the edge of going out of the laboratory and becoming a sophisticated analytical tool to fulfill various real-world tasks. This review focuses on the challenges that SERS has met in this progress, such as how to obtain a reliable SERS signal, improve the sensitivity and specificity in a complex sample matrix, develop simple and user-friendly practical sensing approach, reduce the running cost, etc. This review highlights the new thoughts on design and nanofabrication of SERS-active substrates for solving these challenges and introduces the recent advances of SERS applications in this area. We hope that our discussion will encourage more researches to address these challenges and eventually help to bring SERS technology out of the laboratory.
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Affiliation(s)
- Ruyi Shi
- College of Biosystems Engineering and Food Science , Zhejiang University , 866 Yuhangtang Road , Hangzhou , Zhejiang 310058 , China
| | - Xiangjiang Liu
- College of Biosystems Engineering and Food Science , Zhejiang University , 866 Yuhangtang Road , Hangzhou , Zhejiang 310058 , China
| | - Yibin Ying
- College of Biosystems Engineering and Food Science , Zhejiang University , 866 Yuhangtang Road , Hangzhou , Zhejiang 310058 , China
- Zhejiang A&F University , 88 Huanchengdong Road , Hangzhou , Zhejiang 311300 , China
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38
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Zhong LB, Liu Q, Wu P, Niu QF, Zhang H, Zheng YM. Facile On-Site Aqueous Pollutant Monitoring Using a Flexible, Ultralight, and Robust Surface-Enhanced Raman Spectroscopy Substrate: Interface Self-Assembly of Au@Ag Nanocubes on a Polyvinyl Chloride Template. ENVIRONMENTAL SCIENCE & TECHNOLOGY 2018; 52:5812-5820. [PMID: 29660985 DOI: 10.1021/acs.est.7b04327] [Citation(s) in RCA: 39] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/24/2023]
Abstract
Aquatic ecosystems and human health have been seriously threatened by illegal discharge of wastewater, while simple and effective monitoring methods are still sparse. Here, we propose a facile method for on-site pollutant monitoring by surface-enhanced Raman spectroscopy with a novel substrate. This substrate is fabricated by interface self-assembly of Au@Ag nanocubes (NCs) on a simultaneously formed polyvinyl chloride (PVC) template, followed by coating with a thin Au film. The Au@Ag@Au-NCs/PVC film is flexible, ultralight, and robust and could float on the surface of water and firmly contact with water even under harsh environmental conditions. Moreover, the Au@Ag@Au-NCs/PVC film is translucent, allowing penetration of laser beams and enhancement of Raman signals. When thiram was used as a model contaminant in aqueous solution, a good linear relationship ( R2 = 0.972) was obtained over the range of 0.1-50 ppb with a detection limit of 0.1 ppb. Raman signals of thiram can be instantly and consecutively detected with the enhancement of the film in the simulated experiments, suggesting its possible use in the long run. Furthermore, the film can be easily regenerated by NaBH4 solution washing, which could reduce the operating cost. In summary, the Au@Ag@Au-NCs/PVC film has great potential in on-site pollutant monitoring in aqueous environments with a portable Raman spectrometer.
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Affiliation(s)
- Lu-Bin Zhong
- CAS Key Laboratory of Urban Pollutant Conversion , Institute of Urban Environment, Chinese Academy of Sciences , 1799 Jimei Road , Xiamen 361021 , P. R. China
- CAS Center for Excellence in Regional Atmospheric Environment , Institute of Urban Environment, Chinese Academy of Sciences , 1799 Jimei Road , Xiamen 361021 , P. R. China
| | - Qing Liu
- CAS Key Laboratory of Urban Pollutant Conversion , Institute of Urban Environment, Chinese Academy of Sciences , 1799 Jimei Road , Xiamen 361021 , P. R. China
- University of Chinese Academy of Sciences , 19A Yuquan Road , Beijing 100049 , P. R. China
| | - Peng Wu
- CAS Key Laboratory of Urban Pollutant Conversion , Institute of Urban Environment, Chinese Academy of Sciences , 1799 Jimei Road , Xiamen 361021 , P. R. China
| | - Qi-Feng Niu
- CAS Key Laboratory of Urban Pollutant Conversion , Institute of Urban Environment, Chinese Academy of Sciences , 1799 Jimei Road , Xiamen 361021 , P. R. China
| | - Huan Zhang
- CAS Key Laboratory of Urban Pollutant Conversion , Institute of Urban Environment, Chinese Academy of Sciences , 1799 Jimei Road , Xiamen 361021 , P. R. China
- University of Chinese Academy of Sciences , 19A Yuquan Road , Beijing 100049 , P. R. China
| | - Yu-Ming Zheng
- CAS Key Laboratory of Urban Pollutant Conversion , Institute of Urban Environment, Chinese Academy of Sciences , 1799 Jimei Road , Xiamen 361021 , P. R. China
- CAS Center for Excellence in Regional Atmospheric Environment , Institute of Urban Environment, Chinese Academy of Sciences , 1799 Jimei Road , Xiamen 361021 , P. R. China
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39
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Wei W, Huang Q. Preparation of cellophane-based substrate and its SERS performance on the detection of CV and acetamiprid. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2018; 193:8-13. [PMID: 29202355 DOI: 10.1016/j.saa.2017.11.062] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/27/2017] [Revised: 11/28/2017] [Accepted: 11/29/2017] [Indexed: 06/07/2023]
Abstract
Cellophane was taken as platform to fabricate a new SERS substrate via silver mirror action. From Raman spectra, it can be found that the Raman signal of Ag-coated cellophane has little influence on the detection of analytes molecules. Raman mapping analysis showed that the cellophane-based SERS substrate has good uniformity. By using the Ag-coated cellophane, 10-6-10-9M crystal violet (CV) could be detected by this substrate and the reproducibility of the substrate was also involved. Acetamiprid was also detected via Ag-coated cellophane. The result showed that cellophane is suitable to be taken as platform for preparation of SERS substrates.
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Affiliation(s)
- Wenxian Wei
- Testing center, Yangzhou University, Yangzhou city, Jiangsu 225009, China.
| | - Qingli Huang
- Research Facility Center for Morphology of Xuzhou Medical University, Xuzhou City, Jiangsu 221004, China
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40
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Wu Y, Jiang T, Wu Z, Yu R. Internal standard-based SERS aptasensor for ultrasensitive quantitative detection of Ag + ion. Talanta 2018; 185:30-36. [PMID: 29759204 DOI: 10.1016/j.talanta.2018.03.014] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/25/2017] [Revised: 02/28/2018] [Accepted: 03/07/2018] [Indexed: 12/17/2022]
Abstract
A ratiometric surface-enhanced Raman scattering (SERS) aptasensor based on internal standard (IS) methods was proposed for the ultrasensitive and reproducible quantitative detection of silver ion (Ag+) with Au@Ag core-shell nanoparticle (Au@Ag NP) substrate. In principle, the thiolated 5'-Rox C-containing labeled aptamer probe (Rox-aptamer) is firstly immobilized on the SERS substrate surface and then hybridizes with the complementary DNA (cDNA) to form a rigid double-stranded DNA (dsDNA), in which the Rox Raman labels is used to produce the Raman signal. Furthermore, the pyridine is employed as an IS element to provide the ratiometric determination of target. In the presence of Ag+, the Rox-aptamer is turned into the cytosine (C)-Ag+-C mediated hairpin structure, which remarkably reduces the distance between the Rox labels and the Au@Ag NP surface responsible for a measurable 'turn-on' signal change of Rox. This IS-based ratiometric SERS aptasensor exhibits a limit of detection of 50 pM for Ag+ with a linear detection range from 0.1 to 100 nM and the shortcoming of irreproducibility of SERS signal could be overcome. The proposed method provides a simple, robust, and rapid approach for the sensitive and reproducible quantitative detection of Ag+, and it could also be used for the detection of other metal ions which exhibits specific interactions with natural or synthetic bases.
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Affiliation(s)
- Yan Wu
- State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, Hunan University, Changsha 410082, People's Republic of China; Department of Chemistry and Chemical Engineering, Chongqing Key Laboratory of Inorganic Special Functional Materials, Yangtze Normal University, Chongqing, Fuling 408003, People's Republic of China
| | - Tingting Jiang
- State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, Hunan University, Changsha 410082, People's Republic of China
| | - Zhaoyang Wu
- State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, Hunan University, Changsha 410082, People's Republic of China.
| | - Ruqin Yu
- State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, Hunan University, Changsha 410082, People's Republic of China
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41
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Zhou B, Mao M, Cao X, Ge M, Tang X, Li S, Lin D, Yang L, Liu J. Amphiphilic Functionalized Acupuncture Needle as SERS Sensor for In Situ Multiphase Detection. Anal Chem 2018; 90:3826-3832. [DOI: 10.1021/acs.analchem.7b04348] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Affiliation(s)
- Binbin Zhou
- Institute of Intelligent Machines, Chinese Academy of Sciences, Hefei 230031, P. R. China
- Department of Materials Science and Engineering, University of Science and Technology of China, Hefei 230026, P. R. China
| | - Mei Mao
- Institute of Intelligent Machines, Chinese Academy of Sciences, Hefei 230031, P. R. China
- Department of Materials Science and Engineering, University of Science and Technology of China, Hefei 230026, P. R. China
| | - Xiaomin Cao
- Institute of Intelligent Machines, Chinese Academy of Sciences, Hefei 230031, P. R. China
- Department of Materials Science and Engineering, University of Science and Technology of China, Hefei 230026, P. R. China
| | - Meihong Ge
- Institute of Intelligent Machines, Chinese Academy of Sciences, Hefei 230031, P. R. China
- Department of Materials Science and Engineering, University of Science and Technology of China, Hefei 230026, P. R. China
| | - Xianghu Tang
- Department of Materials Science and Engineering, University of Science and Technology of China, Hefei 230026, P. R. China
| | - Shaofei Li
- Institute of Intelligent Machines, Chinese Academy of Sciences, Hefei 230031, P. R. China
- Department of Materials Science and Engineering, University of Science and Technology of China, Hefei 230026, P. R. China
| | - Dongyue Lin
- Institute of Intelligent Machines, Chinese Academy of Sciences, Hefei 230031, P. R. China
- Department of Materials Science and Engineering, University of Science and Technology of China, Hefei 230026, P. R. China
| | - Liangbao Yang
- Institute of Intelligent Machines, Chinese Academy of Sciences, Hefei 230031, P. R. China
- Department of Materials Science and Engineering, University of Science and Technology of China, Hefei 230026, P. R. China
| | - Jinhuai Liu
- Institute of Intelligent Machines, Chinese Academy of Sciences, Hefei 230031, P. R. China
- Department of Materials Science and Engineering, University of Science and Technology of China, Hefei 230026, P. R. China
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42
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Yu S, Liu Z, Wang W, Jin L, Xu W, Wu Y. Disperse magnetic solid phase microextraction and surface enhanced Raman scattering (Dis-MSPME-SERS) for the rapid detection of trace illegally chemicals. Talanta 2018; 178:498-506. [DOI: 10.1016/j.talanta.2017.09.054] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2017] [Revised: 09/14/2017] [Accepted: 09/17/2017] [Indexed: 12/25/2022]
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43
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Lee M, Oh K, Choi HK, Lee SG, Youn HJ, Lee HL, Jeong DH. Subnanomolar Sensitivity of Filter Paper-Based SERS Sensor for Pesticide Detection by Hydrophobicity Change of Paper Surface. ACS Sens 2018; 3:151-159. [PMID: 29282983 DOI: 10.1021/acssensors.7b00782] [Citation(s) in RCA: 104] [Impact Index Per Article: 17.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]
Abstract
As a cost-effective approach for detecting trace amounts of pesticides, filter paper-based SERS sensors have been the subject of intensive research. One of the hurdles to overcome is the difficulty of retaining nanoparticles on the surface of the paper because of the hydrophilic nature of the cellulose fibers in paper. This reduces the sensitivity and reproducibility of paper-based SERS sensors due to the low density of nanoparticles and short retention time of analytes on the paper surface. In this study, filter paper was treated with alkyl ketene dimer (AKD) to modify its property from hydrophilic to hydrophobic. AKD treatment increased the contact angle of the aqueous silver nanoparticle (AgNP) dispersion, which consequently increased the density of AgNPs. The retention time of the analyte was also increased by preventing its rapid absorption into the filter paper. The SERS signal was strongly enhanced by the increased number of SERS hot spots owing to the increased density of AgNPs on a small contact area of the filter surface. The reproducibility and sensitivity of the SERS signal were optimized by controlling the distribution of AgNPs on the surface of the filter paper by adjusting the concentration of the AgNP solution. Using this SERS sensor with a hydrophobicity-modified filter paper, the spot-to-spot variation of the SERS intensity of 25 spots of 4-aminothiophenol was 6.19%, and the limits of detection of thiram and ferbam as test pesticides were measured to be 0.46 nM and 0.49 nM, respectively. These proof-of-concept results indicate that this paper-based SERS sensor can serve for highly sensitive pesticide detection with low cost and easy fabrication.
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Affiliation(s)
- Minwoo Lee
- Department of Chemistry Education, College of Education, ‡Department of Forest
Sciences, College of Agriculture and Life Sciences, §Research Institute of Agriculture and
Life Sciences, and ⊥Department of Chemistry, College of Natural Sciences, Seoul National University, Seoul 08826, Korea
| | - Kyudeok Oh
- Department of Chemistry Education, College of Education, ‡Department of Forest
Sciences, College of Agriculture and Life Sciences, §Research Institute of Agriculture and
Life Sciences, and ⊥Department of Chemistry, College of Natural Sciences, Seoul National University, Seoul 08826, Korea
| | - Han-Kyu Choi
- Department of Chemistry Education, College of Education, ‡Department of Forest
Sciences, College of Agriculture and Life Sciences, §Research Institute of Agriculture and
Life Sciences, and ⊥Department of Chemistry, College of Natural Sciences, Seoul National University, Seoul 08826, Korea
| | - Sung Gun Lee
- Department of Chemistry Education, College of Education, ‡Department of Forest
Sciences, College of Agriculture and Life Sciences, §Research Institute of Agriculture and
Life Sciences, and ⊥Department of Chemistry, College of Natural Sciences, Seoul National University, Seoul 08826, Korea
| | - Hye Jung Youn
- Department of Chemistry Education, College of Education, ‡Department of Forest
Sciences, College of Agriculture and Life Sciences, §Research Institute of Agriculture and
Life Sciences, and ⊥Department of Chemistry, College of Natural Sciences, Seoul National University, Seoul 08826, Korea
| | - Hak Lae Lee
- Department of Chemistry Education, College of Education, ‡Department of Forest
Sciences, College of Agriculture and Life Sciences, §Research Institute of Agriculture and
Life Sciences, and ⊥Department of Chemistry, College of Natural Sciences, Seoul National University, Seoul 08826, Korea
| | - Dae Hong Jeong
- Department of Chemistry Education, College of Education, ‡Department of Forest
Sciences, College of Agriculture and Life Sciences, §Research Institute of Agriculture and
Life Sciences, and ⊥Department of Chemistry, College of Natural Sciences, Seoul National University, Seoul 08826, Korea
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Shi H, Chen N, Su Y, Wang H, He Y. Reusable Silicon-Based Surface-Enhanced Raman Scattering Ratiometric Aptasensor with High Sensitivity, Specificity, and Reproducibility. Anal Chem 2017; 89:10279-10285. [DOI: 10.1021/acs.analchem.7b01881] [Citation(s) in RCA: 36] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Affiliation(s)
- Huayi Shi
- Laboratory
of Nanoscale Biochemical Analysis,
Jiangsu Key Laboratory for Carbon-Based Functional Materials and Devices, Institute of Functional Nano and Soft Materials and Collaborative
Innovation Center of Suzhou Nano Science and Technology, Soochow University, Suzhou, Jiangsu 215123, China
| | - Na Chen
- Laboratory
of Nanoscale Biochemical Analysis,
Jiangsu Key Laboratory for Carbon-Based Functional Materials and Devices, Institute of Functional Nano and Soft Materials and Collaborative
Innovation Center of Suzhou Nano Science and Technology, Soochow University, Suzhou, Jiangsu 215123, China
| | - Yuanyuan Su
- Laboratory
of Nanoscale Biochemical Analysis,
Jiangsu Key Laboratory for Carbon-Based Functional Materials and Devices, Institute of Functional Nano and Soft Materials and Collaborative
Innovation Center of Suzhou Nano Science and Technology, Soochow University, Suzhou, Jiangsu 215123, China
| | - Houyu Wang
- Laboratory
of Nanoscale Biochemical Analysis,
Jiangsu Key Laboratory for Carbon-Based Functional Materials and Devices, Institute of Functional Nano and Soft Materials and Collaborative
Innovation Center of Suzhou Nano Science and Technology, Soochow University, Suzhou, Jiangsu 215123, China
| | - Yao He
- Laboratory
of Nanoscale Biochemical Analysis,
Jiangsu Key Laboratory for Carbon-Based Functional Materials and Devices, Institute of Functional Nano and Soft Materials and Collaborative
Innovation Center of Suzhou Nano Science and Technology, Soochow University, Suzhou, Jiangsu 215123, China
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45
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Bai XR, Zeng Y, Zhou XD, Wang XH, Shen AG, Hu JM. Environmentally Safe Mercury(II) Ions Aided Zero-Background and Ultrasensitive SERS Detection of Dipicolinic Acid. Anal Chem 2017; 89:10335-10342. [DOI: 10.1021/acs.analchem.7b02172] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Affiliation(s)
- Xiang-Ru Bai
- Key Laboratory of Analytical
Chemistry for Biology and Medicine (Ministry of Education), College
of Chemistry and Molecular Sciences, Wuhan University, Wuhan 430072, People’s Republic of China
| | - Yi Zeng
- Key Laboratory of Analytical
Chemistry for Biology and Medicine (Ministry of Education), College
of Chemistry and Molecular Sciences, Wuhan University, Wuhan 430072, People’s Republic of China
| | - Xiao-Dong Zhou
- Key Laboratory of Analytical
Chemistry for Biology and Medicine (Ministry of Education), College
of Chemistry and Molecular Sciences, Wuhan University, Wuhan 430072, People’s Republic of China
| | - Xiao-Hua Wang
- Key Laboratory of Analytical
Chemistry for Biology and Medicine (Ministry of Education), College
of Chemistry and Molecular Sciences, Wuhan University, Wuhan 430072, People’s Republic of China
| | - Ai-Guo Shen
- Key Laboratory of Analytical
Chemistry for Biology and Medicine (Ministry of Education), College
of Chemistry and Molecular Sciences, Wuhan University, Wuhan 430072, People’s Republic of China
| | - Ji-Ming Hu
- Key Laboratory of Analytical
Chemistry for Biology and Medicine (Ministry of Education), College
of Chemistry and Molecular Sciences, Wuhan University, Wuhan 430072, People’s Republic of China
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46
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Zeng Y, Ren JQ, Wang SK, Mai JM, Qu B, Zhang Y, Shen AG, Hu JM. Rapid and Reliable Detection of Alkaline Phosphatase by a Hot Spots Amplification Strategy Based on Well-Controlled Assembly on Single Nanoparticle. ACS APPLIED MATERIALS & INTERFACES 2017; 9:29547-29553. [PMID: 28816042 DOI: 10.1021/acsami.7b09336] [Citation(s) in RCA: 50] [Impact Index Per Article: 7.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
The first appeal of clinical assay is always accurate and rapid. For alkaline phosphatase (ALP) monitoring in medical treatment, a rapid, reliable surface-enhanced Raman scattering (SERS) test kit is designed based on a "hot spots" amplification strategy. Consisting of alkyne-tagged Au nanoparticles (NPs), Ag+, and enzyme substrate, the packaged test kit can achieve one-step clinical assay of ALP in human serum within several minutes, while the operation is simple as it directly inputs the sample into the test kit. Here, Ag+ ions are adsorbed onto the surface of Au core due to electrostatic interaction between Ag+ and the negatively charged donor surface, then enzymatic biocatalysis of ALP triggers the reduction of Ag+ and subsequently silver growth occurs on every Au core surface in a controllable manner, forming "hot spots" between the Au core and Ag shell, in which the SERS signal of alkyne Raman reporters would be highly amplified. Meanwhile, ALP mediates a redox reaction of Ag+ as well as the dynamic silver coating process so the increase of SERS intensity is well-controlled and can be recognized with increasing amounts of the targets. Instead of conventional NP aggregation, this leads to a more reproducible result. In particular, the distinct Raman emission from our self-synthesized alkyne reporter is narrow and stable with zero background in the Raman silent region, suffering no optical fluctuation from biosystem inputs and the detection results are therefore reliable with a limit of detection of 0.01 U/L (2.3 pg/mL). Along with ultrahigh stability, this SERS test kit therefore is an important point-of-care candidate for a reliable, efficacious, and highly sensitive detection method for ALP, which potentially decreases the need for time-consuming clinical trials.
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Affiliation(s)
- Yi Zeng
- Key Laboratory of Analytical Chemistry for Biology and Medicine (Ministry of Education), College of Chemistry and Molecular Sciences, Wuhan University , Wuhan 430072, P. R. China
| | - Jia-Qiang Ren
- Key Laboratory of Analytical Chemistry for Biology and Medicine (Ministry of Education), College of Chemistry and Molecular Sciences, Wuhan University , Wuhan 430072, P. R. China
| | - Shao-Kai Wang
- Key Laboratory of Analytical Chemistry for Biology and Medicine (Ministry of Education), College of Chemistry and Molecular Sciences, Wuhan University , Wuhan 430072, P. R. China
| | - Jia-Ming Mai
- Key Laboratory of Analytical Chemistry for Biology and Medicine (Ministry of Education), College of Chemistry and Molecular Sciences, Wuhan University , Wuhan 430072, P. R. China
| | - Bing Qu
- Department of General Surgery, China Resources & WISCO General Hospital , Wuhan, 430080, P. R. China
| | - Yan Zhang
- Department of Clinical Laboratory, Renmin Hospital of Wuhan University , Wuhan 430060, P. R. China
| | - Ai-Guo Shen
- Key Laboratory of Analytical Chemistry for Biology and Medicine (Ministry of Education), College of Chemistry and Molecular Sciences, Wuhan University , Wuhan 430072, P. R. China
| | - Ji-Ming Hu
- Key Laboratory of Analytical Chemistry for Biology and Medicine (Ministry of Education), College of Chemistry and Molecular Sciences, Wuhan University , Wuhan 430072, P. R. China
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Xu ML, Gao Y, Han XX, Zhao B. Detection of Pesticide Residues in Food Using Surface-Enhanced Raman Spectroscopy: A Review. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2017; 65:6719-6726. [PMID: 28726388 DOI: 10.1021/acs.jafc.7b02504] [Citation(s) in RCA: 158] [Impact Index Per Article: 22.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/21/2023]
Abstract
Pesticides directly pollute the environment and contaminate foods ultimately being absorbed by the human body. Their residues contain highly toxic substances that have been found to cause serious problems to human health even at very low concentrations. The gold standard method, gas/liquid chromatography combined with mass spectroscopy, has been widely used for the detection of pesticide residues. However, these methods have some drawbacks such as complicated pretreatment and cleanup steps. Recent technological advancements of surface-enhanced Raman spectroscopy (SERS) have promoted the creation of alternative detection techniques. SERS is a useful detection tool with ultrasensitivity and simpler protocols. Present SERS-based pesticide residue detection often uses standard solutions of target analytes in conjunction with theoretical Raman spectra calculated by density functional theory (DFT) and actual Raman spectra detected by SERS. SERS is quite a promising technique for the direct detection of pesticides at trace levels in liquid samples or on the surface of solid samples following simple extraction to increase the concentration of analytes. In this review, we highlight recent studies on SERS-based pesticide detection, including SERS for pesticide standard solution detection and for pesticides in/on food samples. Moreover, in-depth analysis of pesticide chemical structures, structural alteration during food processing, interaction with SERS substrates, and selection of SERS-active substrates is involved.
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Affiliation(s)
- Meng-Lei Xu
- State Key Laboratory of Supramolecular Structure and Materials, Jilin University , Changchun 130012, PR China
| | - Yu Gao
- College of Agriculture, Jilin Agricultural University , Changchun 130118, PR China
| | - Xiao Xia Han
- State Key Laboratory of Supramolecular Structure and Materials, Jilin University , Changchun 130012, PR China
| | - Bing Zhao
- State Key Laboratory of Supramolecular Structure and Materials, Jilin University , Changchun 130012, PR China
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48
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Arvand M, Mirroshandel AA. Highly-sensitive aptasensor based on fluorescence resonance energy transfer between l-cysteine capped ZnS quantum dots and graphene oxide sheets for the determination of edifenphos fungicide. Biosens Bioelectron 2017; 96:324-331. [PMID: 28525850 DOI: 10.1016/j.bios.2017.05.028] [Citation(s) in RCA: 39] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2017] [Revised: 05/11/2017] [Accepted: 05/12/2017] [Indexed: 12/19/2022]
Abstract
With the advantages of excellent optical properties and biocompatibility, single-strand DNA-functionalized quantum dots have been widely applied in biosensing and bioimaging. A new aptasensor with easy operation, high sensitivity, and high selectivity was developed by immobilizing the aptamer on water soluble l-cysteine capped ZnS quantum dots (QDs). Graphene oxide (GO) sheets are mixed with the aptamer-QDs. Consequently, the aptamer-conjugated QDs bind to the GO sheets to form a GO/aptamer-QDs ensemble. This aptasensor enables the energy transfer based on a fluorescence resonance energy transfer (FRET) from the QDs to the GO sheets, quenching the fluorescence of QDs. The GO/aptamer-QDs ensemble assay acts as a "turn-on'' fluorescent sensor for edifenphos (EDI) detection. When GO was replaced by EDI, the fluorescence of QDs was restored and its intensity was proportional to the EDI concentration. This GO-based aptasensor under the optimum conditions exhibited excellent analytical performance for EDI determination, ranging from 5×10-4 to 6×10-3mg L-1 with the detection limit of 1.3×10-4mgL-1. Furthermore, the designed aptasensor exhibited excellent selectivity toward EDI compared to other pesticides and herbicides with similar structures such as diazinon, heptachlor, endrin, dieldrin, butachlor and chlordane. Good reproducibility and precision (RSD =3.9%, n =10) of the assay indicates the high potential of the aptasensor for quantitative trace analysis of EDI. Moreover, the results demonstrate the applicability of the aptasensor for monitoring EDI fungicide in spiked real samples.
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Affiliation(s)
- Majid Arvand
- Analytical Chemistry Laboratory, Faculty of Chemistry, University of Guilan, Namjoo Street, P.O. Box 1914, Rasht, Iran.
| | - Aazam A Mirroshandel
- Analytical Chemistry Laboratory, Faculty of Chemistry, University of Guilan, Namjoo Street, P.O. Box 1914, Rasht, Iran
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49
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Wang P, Wu L, Lu Z, Li Q, Yin W, Ding F, Han H. Gecko-Inspired Nanotentacle Surface-Enhanced Raman Spectroscopy Substrate for Sampling and Reliable Detection of Pesticide Residues in Fruits and Vegetables. Anal Chem 2017; 89:2424-2431. [DOI: 10.1021/acs.analchem.6b04324] [Citation(s) in RCA: 156] [Impact Index Per Article: 22.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Affiliation(s)
- Pan Wang
- State Key Laboratory of Agricultural
Microbiology, College of Food Science and Technology, College of Science, Huazhong Agricultural University, Wuhan 430070, PR China
| | - Long Wu
- State Key Laboratory of Agricultural
Microbiology, College of Food Science and Technology, College of Science, Huazhong Agricultural University, Wuhan 430070, PR China
| | - Zhicheng Lu
- State Key Laboratory of Agricultural
Microbiology, College of Food Science and Technology, College of Science, Huazhong Agricultural University, Wuhan 430070, PR China
| | - Qin Li
- State Key Laboratory of Agricultural
Microbiology, College of Food Science and Technology, College of Science, Huazhong Agricultural University, Wuhan 430070, PR China
| | - Wenmin Yin
- State Key Laboratory of Agricultural
Microbiology, College of Food Science and Technology, College of Science, Huazhong Agricultural University, Wuhan 430070, PR China
| | - Fan Ding
- State Key Laboratory of Agricultural
Microbiology, College of Food Science and Technology, College of Science, Huazhong Agricultural University, Wuhan 430070, PR China
| | - Heyou Han
- State Key Laboratory of Agricultural
Microbiology, College of Food Science and Technology, College of Science, Huazhong Agricultural University, Wuhan 430070, PR China
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50
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Li H, Dai H, Zhang Y, Tong W, Gao H, An Q. Surface-Enhanced Raman Spectra Promoted by a Finger Press in an All-Solid-State Flexible Energy Conversion and Storage Film. Angew Chem Int Ed Engl 2017. [DOI: 10.1002/ange.201610737] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Affiliation(s)
- Haitao Li
- Beijing Key Laboratory of Materials Utilization of Nonmetallic Minerals and Solid Wastes; National Laboratory of Mineral Materials; School of Materials Science and Technology; China University of Geosciences; Beijing 100083 China
| | - Han Dai
- Yantai Nanshan University; Longkou Shandong Province 265713 China
| | - Yihe Zhang
- Beijing Key Laboratory of Materials Utilization of Nonmetallic Minerals and Solid Wastes; National Laboratory of Mineral Materials; School of Materials Science and Technology; China University of Geosciences; Beijing 100083 China
| | - Wangshu Tong
- Beijing Key Laboratory of Materials Utilization of Nonmetallic Minerals and Solid Wastes; National Laboratory of Mineral Materials; School of Materials Science and Technology; China University of Geosciences; Beijing 100083 China
| | - Hua Gao
- School of Science; China University of Geosciences; Beijing 100083 P.R. China
| | - Qi An
- Beijing Key Laboratory of Materials Utilization of Nonmetallic Minerals and Solid Wastes; National Laboratory of Mineral Materials; School of Materials Science and Technology; China University of Geosciences; Beijing 100083 China
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