1
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Wang Z, Dai Y, Zhou X, Liu Z, Liu W, Huang L, Yuan M, Cui S, He X. Fabrication of flexible AuNPs@ polyimide heating chips for in situ explosives SERS sensing in nature samples. Talanta 2023; 258:124460. [PMID: 36958100 DOI: 10.1016/j.talanta.2023.124460] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2022] [Revised: 03/06/2023] [Accepted: 03/14/2023] [Indexed: 03/25/2023]
Abstract
In this study, highly sensitive flexible AuNPs@ polyimide SERS heating chips (APHC) were fabricated for in situ collecting and detecting TNT. Large-scale AuNPs arrays were synthesized by liquid-liquid interface self-assembly and transferred to polyimide heating film as SERS substrates. 4-ATP and AgNPs functionalized on APHC were used as capture means and signal amplifiers, combining with TNT to form the AuNPs-TNT-AgNPs "sandwich" structure. This flexible APHC chip showed high sensitivity as enhancement factor was 5.5×105, and good repeatability and stability (RSD<10%). It was applied to detect TNT solutions with a low concentration of 10-9 M, and showed a good linear response in the range from 10-5 to 10-9 M (R2 = 0.986). In addition, the detection method also had good selectivity and no response to various TNT analogs. More important, combing with the thermal enrichment strategy, TNT dispersed in environmental samples such as soil, fruit and clothing would be enriched as vapor then collected and detected by APHC. This APHC device shows great potential for in situ sensing platforms, due to its sensitivity, high efficiency, and excellent portability.
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Affiliation(s)
- Zihan Wang
- Institute of Chemical Materials, China Academy of Engineering Physics, Mianyang, 621900, China; State Key Laboratory of Materials-Oriented Chemical Engineering, College of Material Science and Engineering, Nanjing Tech University, Nanjing, 211816, China; Jiangsu Collaborative Innovation Center for Advanced Inorganic Function Composites, Nanjing Tech University, Nanjing, 211816, China
| | - Yu Dai
- Institute of Chemical Materials, China Academy of Engineering Physics, Mianyang, 621900, China
| | - Xin Zhou
- Institute of Chemical Materials, China Academy of Engineering Physics, Mianyang, 621900, China
| | - ZhongPing Liu
- Institute of Chemical Materials, China Academy of Engineering Physics, Mianyang, 621900, China
| | - Wei Liu
- Institute of Chemical Materials, China Academy of Engineering Physics, Mianyang, 621900, China; State Key Laboratory of Materials-Oriented Chemical Engineering, College of Material Science and Engineering, Nanjing Tech University, Nanjing, 211816, China; Jiangsu Collaborative Innovation Center for Advanced Inorganic Function Composites, Nanjing Tech University, Nanjing, 211816, China
| | - Longjin Huang
- Institute of Chemical Materials, China Academy of Engineering Physics, Mianyang, 621900, China; State Key Laboratory of Materials-Oriented Chemical Engineering, College of Material Science and Engineering, Nanjing Tech University, Nanjing, 211816, China; Jiangsu Collaborative Innovation Center for Advanced Inorganic Function Composites, Nanjing Tech University, Nanjing, 211816, China
| | - Meiyu Yuan
- State Key Laboratory of Materials-Oriented Chemical Engineering, College of Material Science and Engineering, Nanjing Tech University, Nanjing, 211816, China; Jiangsu Collaborative Innovation Center for Advanced Inorganic Function Composites, Nanjing Tech University, Nanjing, 211816, China
| | - Sheng Cui
- State Key Laboratory of Materials-Oriented Chemical Engineering, College of Material Science and Engineering, Nanjing Tech University, Nanjing, 211816, China; Jiangsu Collaborative Innovation Center for Advanced Inorganic Function Composites, Nanjing Tech University, Nanjing, 211816, China
| | - Xuan He
- Institute of Chemical Materials, China Academy of Engineering Physics, Mianyang, 621900, China.
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2
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Cystine-assisted accumulation of gold nanoparticles on ZnO to construct a sensitive surface-enhanced Raman spectroscopy substrate. Front Chem Sci Eng 2022. [DOI: 10.1007/s11705-022-2177-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/16/2022]
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3
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Pattaweepaiboon S, Pimpakoon V, Phongzitthiganna N, Sirisaksoontorn W, Jeamjumnunja K, Prasittichai C. Impedimetric detection of 2,4,6-trinitrotoluene using surface-functionalized halloysite nanotubes. RSC Adv 2022; 12:17794-17802. [PMID: 35765327 PMCID: PMC9201510 DOI: 10.1039/d2ra02482a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2022] [Accepted: 06/10/2022] [Indexed: 11/21/2022] Open
Abstract
Herein, we report the application of amine-surface-functionalized halloysite nanotubes (HAs) as active materials for the quantitative detection of 2,4,6-trinitrotoluene (TNT). The findings indicated that HA could selectively capture TNT via a strong reaction between the amine groups on its surface and the TNT molecules. Plate electrodes were fabricated from HA to evaluate its TNT-sensing capacity by electrochemical impedance spectroscopy. Upon binding with TNT, the proton conductivity on the HA plate electrodes increased linearly with the TNT concentration from 1.0 × 10−11 M to 1.0 × 10−4 M. The HA plate electrodes exhibited good sensitivity with a detection limit of 1.05 × 10−12 M. Subsequently, the cycling measurements of the TNT binding/removal were performed on the HA plate electrode, and the material exhibited high stability, good regenerative ability, and good reversibility without a significant decrease in efficiency. The present work highlights the significant application potential of HAs for the electrochemical detection of TNT. Amine-surface-functionalized halloysite nanotubes are used for electrochemical sensing TNT.![]()
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Affiliation(s)
- Supak Pattaweepaiboon
- Department of Chemistry, Faculty of Science, Kasetsart University Bangkok 10900 Thailand
| | - Varuntorn Pimpakoon
- Department of Chemistry, Faculty of Science, Kasetsart University Bangkok 10900 Thailand
| | - Nattida Phongzitthiganna
- Department of Chemistry, Faculty of Science, Kasetsart University Bangkok 10900 Thailand .,Center of Excellence for Innovation in Chemistry, Faculty of Science, Kasetsart University Bangkok 10900 Thailand
| | - Weekit Sirisaksoontorn
- Department of Chemistry, Faculty of Science, Kasetsart University Bangkok 10900 Thailand .,Center of Excellence for Innovation in Chemistry, Faculty of Science, Kasetsart University Bangkok 10900 Thailand
| | - Kannika Jeamjumnunja
- Department of Chemistry, Faculty of Science, Kasetsart University Bangkok 10900 Thailand .,Center of Excellence for Innovation in Chemistry, Faculty of Science, Kasetsart University Bangkok 10900 Thailand
| | - Chaiya Prasittichai
- Department of Chemistry, Faculty of Science, Kasetsart University Bangkok 10900 Thailand .,Center of Excellence for Innovation in Chemistry, Faculty of Science, Kasetsart University Bangkok 10900 Thailand
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4
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Yang J, Wang T, Gao W, Zhu C, Sha P, Dong P, Wu X. The novel sandwich composite structure: a new detection strategy for the ultra-sensitive detection of cyclotrimethylenetrinitramine (RDX). NANOTECHNOLOGY 2022; 33:355707. [PMID: 35580555 DOI: 10.1088/1361-6528/ac7059] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/06/2021] [Accepted: 05/17/2022] [Indexed: 06/15/2023]
Abstract
This study presents a novel sandwich composite structure that was designed for the ultra-sensitive detection of cyclotrimethylenetrinitramine (RDX). Au nanorod arrays (Au NRAs) were prepared and bound to 10-7M 6-MNA as adsorption sites for RDX, while Au nanorods (Au NRs) were modified using 10-5M 6-MNA as SERS probes. During detection, RDX molecules connect the SERS probe to the surface of the Au NRAs, forming a novel type of Au NRAs-RDX-Au NRs 'sandwich' composite structure. The electromagnetic coupling effect between Au NRs and Au NRAs is enhanced due to the molecular level of the connection spacing, resulting in new 'hot spots'. Meanwhile, Au NRAs and Au NRs have an auto-enhancement effect on 6-MNA. In addition, the presence of charge transfer in the formed 6-MNA-RDX complex induced chemical enhancement. The limits of detection of RDX evaluated by Raman spectroscopy using 6-MNA were as low as 10-12mg ml-1(4.5 × 10-15M) with good linear correlation between 10-12and 10-8mg ml-1(correlation coefficientR2 = 0.9985). This novel sandwich composite structure accurately detected RDX contamination in drinking water and on plant surfaces in an environment with detection limits as low as 10-12mg ml-1and 10-8mg ml-1.
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Affiliation(s)
- Jie Yang
- College of Intelligence Science and Technology, National University of Defense Technology, Changsha, Hunan, People's Republic of China
| | - Tianran Wang
- College of Intelligence Science and Technology, National University of Defense Technology, Changsha, Hunan, People's Republic of China
| | - Weiye Gao
- College of Intelligence Science and Technology, National University of Defense Technology, Changsha, Hunan, People's Republic of China
| | - Chushu Zhu
- College of Intelligence Science and Technology, National University of Defense Technology, Changsha, Hunan, People's Republic of China
| | - Pengxing Sha
- College of Intelligence Science and Technology, National University of Defense Technology, Changsha, Hunan, People's Republic of China
| | - Peitao Dong
- College of Intelligence Science and Technology, National University of Defense Technology, Changsha, Hunan, People's Republic of China
| | - Xuezhong Wu
- College of Intelligence Science and Technology, National University of Defense Technology, Changsha, Hunan, People's Republic of China
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5
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Detection of Explosives by SERS Platform Using Metal Nanogap Substrates. SENSORS 2021; 21:s21165567. [PMID: 34451009 PMCID: PMC8402271 DOI: 10.3390/s21165567] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/16/2021] [Revised: 08/12/2021] [Accepted: 08/15/2021] [Indexed: 01/13/2023]
Abstract
Detecting trace amounts of explosives to ensure personal safety is important, and this is possible by using laser-based spectroscopy techniques. We performed surface-enhanced Raman scattering (SERS) using plasmonic nanogap substrates for the solution phase detection of some nitro-based compounds, taking advantage of the hot spot at the nanogap. An excitation wavelength of 785 nm with an incident power of as low as ≈0.1 mW was used to excite the nanogap substrates. Since both RDX and PETN cannot be dissolved in water, acetone was used as a solvent. TNT was dissolved in water as well as in hexane. The main SERS peaks of TNT, RDX, and PETN were clearly observed down to the order of picomolar concentration. The variations in SERS spectra observed from different explosives can be useful in distinguishing and identifying different nitro-based compounds. This result indicates that our nanogap substrates offer an effective approach for explosives identification.
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Li M, Zhang X. Nanostructure-Based Surface-Enhanced Raman Spectroscopy Techniques for Pesticide and Veterinary Drug Residues Screening. BULLETIN OF ENVIRONMENTAL CONTAMINATION AND TOXICOLOGY 2021; 107:194-205. [PMID: 32939593 DOI: 10.1007/s00128-020-02989-5] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/03/2020] [Accepted: 09/07/2020] [Indexed: 06/11/2023]
Abstract
Pesticide and veterinary drug residues in food and environment pose a threat to human health, and a rapid, super-sensitive, accurate and cost-effective analysis technique is therefore highly required to overcome the disadvantages of conventional techniques based on mass spectrometry. Recently, the surface-enhanced Raman spectroscopy (SERS) technique emerges as a potential promising analytical tool for rapid, sensitive and selective detections of environmental pollutants, mostly owing to its possible simplified sample pretreatment, gigantic detectable signal amplification and quick target analyte identification via finger-printing SERS spectra. So theoretically the SERS detection technology has inherent advantages over other competitors especially in complex environmental matrices. The progress in nanostructure SERS substrates and portable Raman appliances will promote this novel detection technology to play an important role in future rapid on-site assay. This paper reviews the advances in nanostructure-based SERS substrates, sensors and relevant portable integrated systems for environmental analysis, highlights the potential applications in the detections of synthetic chemicals such as pesticide and veterinary drug residues, and also discusses the challenges of SERS detection technique for actual environmental monitoring in the future.
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Affiliation(s)
- Mingtao Li
- Key Laboratory of Materials Physics and Anhui Key Laboratory of Nanomaterials and Nanotechnology, Institute of Solid State Physics, Chinese Academy of Sciences, Hefei, 230031, China.
| | - Xiang Zhang
- Key Laboratory of Materials Physics and Anhui Key Laboratory of Nanomaterials and Nanotechnology, Institute of Solid State Physics, Chinese Academy of Sciences, Hefei, 230031, China
- University of Science and Technology of China, Hefei, 230026, China
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7
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Niu F, Shao ZW, Tao LM, Ding Y. Si-doped graphene nanosheets as a metal-free catalyst for electrochemical detection of nitroaromatic explosives. J Colloid Interface Sci 2021; 594:848-856. [PMID: 33794406 DOI: 10.1016/j.jcis.2021.03.091] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2021] [Revised: 03/11/2021] [Accepted: 03/14/2021] [Indexed: 01/17/2023]
Abstract
Si-doped graphene nanosheets (SiGNS) have been successfully constructed via high temperature annealing of graphene oxide and tetraethoxysilane mixture in a sealed glass ampoule. The Si atoms doped into graphene's carbon network mainly existed as C3-Si-O and C2-Si-O2 configurations. The as-prepared SiGNS exhibited excellent electrochemical detection ability to nitroaromatic compounds in 0.1 M phosphoric acid buffer solution (PBS, pH = 8.0) via an electrochemical catalytic process. Five nitroaromatic compounds, including nitrobenzene, 2-nitrotoluene, 4-nitrotoluene, 2, 4-dinitrotoluene and 2, 4, 6-trinitrotoluene, were taken as the analyte to demonstrate the electrochemical catalytic ability of SiGNS. Density functional theory (DFT) calculation was carried out to explore the electrochemical catalytic mechanism of SiGNS. A hydrogen bond mediated electrochemical catalytic mechanism was proposed. Both the excellent electrical conductivity and the rich surface hydroxyl groups enhanced the electrochemical detection ability of SiGNS to nitroaromatic compounds. Si atoms in SiGNS played a key role for the excellent electrochemical detection ability of SiGNS due to most of the surface hydroxyl groups anchored on the Si atoms.
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Affiliation(s)
- Fang Niu
- State Key Laboratory of Applied Organic Chemistry, College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou, Gansu 730000, China
| | - Zhen-Wu Shao
- State Key Laboratory of Applied Organic Chemistry, College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou, Gansu 730000, China
| | - Li-Ming Tao
- Key Laboratory of Science and Technology on Wear and Protection of Materials, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou, Gansu 730000, China.
| | - Yong Ding
- State Key Laboratory of Applied Organic Chemistry, College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou, Gansu 730000, China.
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Narula A, Hussain MA, Upadhyay A, Rao CP. 1,3-Di-naphthalimide Conjugate of Calix[4]arene as a Sensitive and Selective Sensor for Trinitrophenol and This Turns Reversible when Hybridized with Carrageenan as Beads. ACS OMEGA 2020; 5:25747-25756. [PMID: 33073100 PMCID: PMC7557251 DOI: 10.1021/acsomega.0c03060] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/25/2020] [Accepted: 09/14/2020] [Indexed: 05/11/2023]
Abstract
A fluorescent naphthalimide conjugate of calix[4]arene (L1 ) has been synthesized and characterized. The selective and efficient detection of trinitrophenol (TNP) by L1 among nine other different nitroaromatic compounds was demonstrated using absorption and fluorescence spectroscopy. The minimum detection limit is 29 nM, which is the lowest reported so far by any conjugate of calixarene toward TNP. The fluorescence quenching is associated with a high Stern-Volmer constant of 3.3 ± 0.4 × 105 M-1. The scanning electron microscopy (SEM) and transmission electron microscopy (TEM) data revealed a network structure with pores having a weighted average size of 0.66 ± 0.08 μm for L1 . When incubated with TNP, the pores were filled with fibril structures, as supported by both SEM and TEM data. In order to demonstrate the real time applications, the L1 has been coated onto a Whatman filter paper and the imprint of TNP contaminated thumb has been detected upon physical contact. The 1HNMR titration and the studies carried out using the control molecule support the necessity of both the naphthalimide moiety and the calixarene platform for sensing. In order to mend L1 as a reversible sensor for TNP, the same is incorporated into carrageenan beads (L1 @Cb ) and the reversible sensing has been shown for three cycles by reusing the same material upon recovery followed by washing it. The solid-state detection of TNP has also been demonstrated using the lyophilized L1 @Cb bead powder. The fluorescence intensity of L1 was quenched upon addition of solid TNP to the lyophilized bead powder of L1 @Cb as studied by fluorescence microscopy. The computational studies show that one of the arms of the calixarene takes a bent conformation, and the 1:1 TNP complex of L1 is stabilized by exhibiting differential extents of hydrogen bonding interactions with the two arms owing to their conformational difference. The result of such complexation was already felt through the shifts observed in the experimentally measured 1HNMR spectra.
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Affiliation(s)
- Ashiv Narula
- Bioinorganic
Laboratory, Department of Chemistry, Indian
Institute of Technology Bombay, Powai, Mumbai 400 076, India
| | - Mohammed Althaf Hussain
- Bioinorganic
Laboratory, Department of Chemistry, Indian
Institute of Technology Bombay, Powai, Mumbai 400 076, India
| | - Aekta Upadhyay
- Bioinorganic
Laboratory, Department of Chemistry, Indian
Institute of Technology Bombay, Powai, Mumbai 400 076, India
| | - Chebrolu Pulla Rao
- Bioinorganic
Laboratory, Department of Chemistry, Indian
Institute of Technology Bombay, Powai, Mumbai 400 076, India
- Department
of Chemistry, Indian Institute of Technology
Tirupati, Settipalli post, Tirupati 517 506 Andhra
Pradesh, India
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9
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A novel SERS selective detection sensor for trace trinitrotoluene based on meisenheimer complex of monoethanolamine molecule. Talanta 2020; 218:121157. [PMID: 32797911 DOI: 10.1016/j.talanta.2020.121157] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2019] [Revised: 05/06/2020] [Accepted: 05/10/2020] [Indexed: 11/21/2022]
Abstract
Trinitrotoluene (TNT) is a primary component in chemical explosives, making them a common focus in public safety detection. However, it is very difficult to achieve selective and sensitive detection of the TNT molecule in practical application. In the present study, a simple surface enhanced Raman scattering (SERS) sensing based on monoethanolamine (MEA) - modified gold nanoparticles (Au NPs) was expanded for high selectivity and sensitive detecting of TNT in an envelope, luggage, lake water, and clothing through a quickly sampling and detection process. The monoethanolamine molecule based on Meisenheimer complex lights up ultra-high Raman scattering of a nonresonant molecule on the superficial coat of gold nanoparticles. Using this detection sensor, a molecular bridge can be established to selectively detect trinitrotoluene with a detection limit of 21.47 pM. We were able to rapidly identification trinitrotoluene molecule with a powerful selective over the familiar interfering substances nitrophenol, picric acid, 2,4-dinitrophenol, and 2,4-dinitrotoluene. The outcome in this work supply an efficient solution to the test of trinitrotoluene and to establishing a SERS sensor analytical strategy. The studies have demonstrated that the MEA-Au NPs based SERS sensing can be potentially used in field detection the trace amount of chemical explosives for public security.
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10
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Wu J, Zhang L, Huang F, Ji X, Dai H, Wu W. Surface enhanced Raman scattering substrate for the detection of explosives: Construction strategy and dimensional effect. JOURNAL OF HAZARDOUS MATERIALS 2020; 387:121714. [PMID: 31818672 DOI: 10.1016/j.jhazmat.2019.121714] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/05/2019] [Revised: 11/08/2019] [Accepted: 11/17/2019] [Indexed: 06/10/2023]
Abstract
Surface-enhanced Raman spectroscopy (SERS) technology has been reported to be able to quickly and non-destructively identify target analytes. SERS substrate with high sensitivity and selectivity gave SERS technology a broad application prospect. This contribution aims to provide a detailed and systematic review of the current state of research on SERS-based explosive sensors, with particular attention to current research advances. This review mainly focuses on the strategies for improving SERS performance and the SERS substrates with different dimensions including zero-dimensional (0D) nanocolloids, one-dimensional (1D) nanowires and nanorods, two-dimensional (2D) arrays, and three-dimensional (3D) networks. The effects of elemental composition, the shape and size of metal nanoparticles, hot-spot structure and surface modification on the performance of explosive detection are also reviewed. In addition, the future development tendency and application of SERS-based explosive sensors are prospected.
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Affiliation(s)
- Jingjing Wu
- Jiangsu Co-Innovation Center for Efficient Processing and Utilization of Forest Resources, College of Light Industry and Food Engineering, Nanjing Forestry University, Nanjing 210037, China
| | - Lei Zhang
- Key Laboratory for Organic Electronics and Information, National Jiangsu Synergetic Innovation Center for Advanced Materials (SICAM), Nanjing University of Posts & Telecommunications, Nanjing 210023, China.
| | - Fang Huang
- College of Materials Engineering, Fujian Agriculture and Forestry University, Fuzhou 350002, China
| | - Xingxiang Ji
- State Key Laboratory of Biobased Material and Green Papermaking, Qilu University of Technology, Shandong Academy of Sciences, Jinan 250353, China
| | - Hongqi Dai
- Jiangsu Co-Innovation Center for Efficient Processing and Utilization of Forest Resources, College of Light Industry and Food Engineering, Nanjing Forestry University, Nanjing 210037, China
| | - Weibing Wu
- Jiangsu Co-Innovation Center for Efficient Processing and Utilization of Forest Resources, College of Light Industry and Food Engineering, Nanjing Forestry University, Nanjing 210037, China; State Key Laboratory of Biobased Material and Green Papermaking, Qilu University of Technology, Shandong Academy of Sciences, Jinan 250353, China.
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11
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Lin PY, He G, Chen J, Dwivedi AK, Hsieh S. Monitoring the photoinduced surface catalytic coupling reaction and environmental exhaust fumes with an Ag/PDA/CuO modified 3D glass microfiber platform. J IND ENG CHEM 2020. [DOI: 10.1016/j.jiec.2019.11.006] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
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12
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He X, Liu Y, Liu Y, Cui S, Liu W, Li Z. Controllable fabrication of Ag-NP-decorated porous ZnO nanosheet arrays with superhydrophobic properties for high performance SERS detection of explosives. CrystEngComm 2020. [DOI: 10.1039/c9ce01430f] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023]
Abstract
An efficient hydrophobic condensation surface was developed and used as an ultrasensitive and stable SERS sensor based on ZnO–Ag hybrid mesoporous nanosheet (MNS) arrays for natural explosive sample detection.
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Affiliation(s)
- Xuan He
- Institute of Chemical Materials
- China Academy of Engineering Physics
- Mianyang 621900
- China
| | - Yu Liu
- Institute of Chemical Materials
- China Academy of Engineering Physics
- Mianyang 621900
- China
| | - Yi Liu
- Institute of Chemical Materials
- China Academy of Engineering Physics
- Mianyang 621900
- China
| | - Sheng Cui
- Jiangsu Collaborative Innovation Centre for Advanced Inorganic Function Composites
- Nanjing Tech University
- Nanjing 210009
- China
| | - Wei Liu
- Institute of Chemical Materials
- China Academy of Engineering Physics
- Mianyang 621900
- China
| | - Zhongbo Li
- Key Laboratory of Materials Physics
- Anhui, Key Laboratory of Nanomaterials and Nanostructures
- Institute of Solid State Physics
- Chinese Academy of Sciences
- Hefei
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13
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Zou S, Ma L, Li J, Liu Y, Zhao D, Zhang Z. Ag Nanorods-Based Surface-Enhanced Raman Scattering: Synthesis, Quantitative Analysis Strategies, and Applications. Front Chem 2019; 7:376. [PMID: 31214564 PMCID: PMC6558050 DOI: 10.3389/fchem.2019.00376] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2019] [Accepted: 05/08/2019] [Indexed: 12/16/2022] Open
Abstract
Surface-Enhanced Raman Scattering (SERS) is a powerful technology that provides abundant chemical fingerprint information with advantages of high sensitivity and time-saving. Advancements in SERS substrates fabrication allow Ag nanorods (AgNRs) possess superior sensitivity, high uniformity, and excellent reproducibility. To further promote AgNRs as a promising SERS substrate candidate to a broader application scope, oxides are integrated with AgNRs by virtue of their unique properties which endow the AgNRs-oxide hybrid with high stability and recyclability. Aside from SERS substrates fabrication, significant developments in quantitative analysis strategies offer enormous approaches to minimize influences resulted from variations of measuring conditions and to provide the reasonable data analysis. In this review, we discuss various fabrication approaches for AgNRs and AgNRs-oxide hybrids to achieve efficient SERS platforms. Then, we introduce three types of strategies which are commonly employed in chemical quantitative analysis to reach a reliable result. Further, we highlight SERS applications including food safety, environment safety, biosensing, and vapor sensing, demonstrating the potential of SERS as a powerful and promising technique. Finally, we conclude with the current challenges and future prospects toward efficient SERS manipulations for broader real-world applications.
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Affiliation(s)
- Sumeng Zou
- State Key Laboratory of New Ceramics and Fine Processing, School of Materials Science and Engineering, Tsinghua University, Beijing, China
| | - Lingwei Ma
- Institute for Advanced Materials and Technology, University of Science and Technology Beijing, Beijing, China
| | - Jianghao Li
- State Key Laboratory of New Ceramics and Fine Processing, School of Materials Science and Engineering, Tsinghua University, Beijing, China
| | - Yuehua Liu
- State Key Laboratory of New Ceramics and Fine Processing, School of Materials Science and Engineering, Tsinghua University, Beijing, China
| | - Dongliang Zhao
- Department of Functional Material Research, Central Iron and Steel Research Institute, Beijing, China
| | - Zhengjun Zhang
- Key Laboratory of Advanced Materials (MOE), School of Materials Science and Engineering, Tsinghua University, Beijing, China
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14
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Alizadeh N, Ghoorchian A. Hybrid Optoelectrochemical Sensor for Superselective Detection of 2,4,6-Trinitrotoluene Based on Electrochemical Reduced Meisenheimer Complex. Anal Chem 2018; 90:10360-10368. [DOI: 10.1021/acs.analchem.8b02183] [Citation(s) in RCA: 26] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Affiliation(s)
- Naader Alizadeh
- Department of Chemistry, Faculty of Basic Sciences, Tarbiat Modares University, Tehran, Iran 14115-175
| | - Arash Ghoorchian
- Department of Chemistry, Faculty of Basic Sciences, Tarbiat Modares University, Tehran, Iran 14115-175
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15
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Li Y, Lu R, Shen J, Han W, Sun X, Li J, Wang L. Electrospun flexible poly(bisphenol A carbonate) nanofibers decorated with Ag nanoparticles as effective 3D SERS substrates for trace TNT detection. Analyst 2018; 142:4756-4764. [PMID: 29168853 DOI: 10.1039/c7an01639e] [Citation(s) in RCA: 33] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Abstract
A flexible 3D hybrid PC/Ag surface-enhanced Raman scattering (SERS) substrate was fabricated through the combination of electrospinning and in situ chemical reduction. Due to the rough surface morphology and the intricate 3D structure, a high density of Raman "hotspots" was formed at the junctions of cross-linked nanofibers, resulting in excellent sensitivity to a probe molecule (4-aminothiophenol). The nanofibers were modified with l-cysteine to capture TNT molecules by the formation of a Meisenheimer complex, after which positively charged 4-ATP-labelled AgNPs were introduced to the system, which both generated more hotspots and led to a linear relationship between the TNT concentration and the SERS intensity of the labelled molecules. As a result, a good linear response ranging from 10-8 to 10-12 M was achieved, and the detection limit for TNT was as low as 2.05 × 10-13 M. This strategy demonstrates an ultra-sensitive approach for the detection of trace amounts of TNT, and a promising method for the detection of many other analogous explosives.
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Affiliation(s)
- Yi Li
- Jiangsu Key Laboratory of Chemical Pollution Control and Resources Reuse, School of Environmental and Biological Engineering, Nanjing University of Science and Technology, Nanjing 210094, People's Republic of China.
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16
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Lin R, Hu L, Wang J, Zhang W, Ruan S, Zeng YJ. Raman scattering enhancement of a single ZnO nanorod decorated with Ag nanoparticles: synergies of defects and plasmons. OPTICS LETTERS 2018; 43:2244-2247. [PMID: 29762563 DOI: 10.1364/ol.43.002244] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/14/2018] [Accepted: 04/11/2018] [Indexed: 06/08/2023]
Abstract
Surface-enhanced Raman scattering (SERS) of a single ZnO nanorod (NR) is demonstrated by coating with Ag nanoparticles (NPs). An enhancement factor of 1.2×103 and 4.4×102 has been obtained for E2 (high) mode (437 cm-1) and A1 (TO) mode (378 cm-1), respectively. Electron paramagnetic resonance measurements reveal an unintentional donor state in ZnO NRs. The enhancement of deep-level emission and micro-absorption mapping of a single ZnO NR further confirms the presence of the donor state. The SERS is believed to result from the charge transfer between ZnO NRs and Ag NPs, which can be enhanced by the empty donor state in ZnO. Finally, single ZnO NRs coated with Ag can be used as good SERS substrates for small molecule detection. This Letter highlights the interaction between point defects and the SERS effect down to a single semiconductor NR.
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17
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Yu S, Liu Z, Li H, Zhang J, Yuan XX, Jia X, Wu Y. Combination of a graphene SERS substrate and magnetic solid phase micro-extraction used for the rapid detection of trace illegal additives. Analyst 2018; 143:883-890. [DOI: 10.1039/c7an01547j] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Surface enhanced Raman scattering (SERS) is an ultra-sensitive spectroscopy technique, which can provide rich structural information for a great number of molecules, while solid phase micro-extraction (SPME) is an efficient method for sample pretreatment in analytical chemistry, particularly in a micro-system.
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Affiliation(s)
- Shihua Yu
- State Key Laboratory of Supramolecular Structure and Materials
- Institute of Theoretical Chemistry
- Jilin University
- Changchun 130012
- P. R. China
| | - Zhigang Liu
- Center of Analysis and Measurement
- Jilin Institute of Chemical Technology
- Jilin 132022
- P. R. China
| | - Hongwei Li
- State Key Laboratory of Supramolecular Structure and Materials
- Institute of Theoretical Chemistry
- Jilin University
- Changchun 130012
- P. R. China
| | - Jianpo Zhang
- College of Chemical & Pharmaceutical Engineering
- Jilin Institute of Chemical Technology
- Jilin 132022
- P. R. China
| | - Xin-xin Yuan
- State Key Laboratory of Supramolecular Structure and Materials
- Institute of Theoretical Chemistry
- Jilin University
- Changchun 130012
- P. R. China
| | - Xiangyu Jia
- State Key Laboratory of Supramolecular Structure and Materials
- Institute of Theoretical Chemistry
- Jilin University
- Changchun 130012
- P. R. China
| | - Yuqing Wu
- State Key Laboratory of Supramolecular Structure and Materials
- Institute of Theoretical Chemistry
- Jilin University
- Changchun 130012
- P. R. China
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18
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Tang F, Zhang M, Li Z, Du Z, Chen B, He X, Zhao S. Hexagonally arranged arrays of urchin-like Ag-nanoparticle decorated ZnO-nanorods grafted on PAN-nanopillars as surface-enhanced Raman scattering substrates. CrystEngComm 2018. [DOI: 10.1039/c8ce00467f] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
Abstract
Large-scale flexible films with one side consisting of ordered Ag-NPs@ZnO-nanorods/PAN-nanopillar arrays were used as recyclable SERS substrates.
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Affiliation(s)
- Fang Tang
- College of Light-Textile Engineering and Art
- Anhui Agricultural University
- Hefei 230036
- China
| | - Meizhu Zhang
- College of Light-Textile Engineering and Art
- Anhui Agricultural University
- Hefei 230036
- China
| | - Zhongbo Li
- College of Light-Textile Engineering and Art
- Anhui Agricultural University
- Hefei 230036
- China
| | - Zhaofang Du
- College of Light-Textile Engineering and Art
- Anhui Agricultural University
- Hefei 230036
- China
| | - Bensong Chen
- Key Laboratory of Materials Physics, and Key Laboratory of Nanomaterials and Nanotechnology
- Institute of Solid State Physics, Chinese Academy of Sciences
- Hefei
- China
| | - Xuan He
- Institute of Chemical Materials
- China Academy of Engineering Physics
- Mianyang 621900
- China
| | - Siyu Zhao
- College of Light-Textile Engineering and Art
- Anhui Agricultural University
- Hefei 230036
- China
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19
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Yang L, Sang Q, Du J, Yang M, Li X, Shen Y, Han X, Jiang X, Zhao B. A Ag synchronously deposited and doped TiO2 hybrid as an ultrasensitive SERS substrate: a multifunctional platform for SERS detection and photocatalytic degradation. Phys Chem Chem Phys 2018; 20:15149-15157. [DOI: 10.1039/c8cp01680a] [Citation(s) in RCA: 33] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
We proposed a Ag synchronously deposited and doped TiO2 hybrid as a dual-function platform for ultrasensitive SERS detection and efficient photocatalytic degradation.
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Affiliation(s)
- Libin Yang
- College of Pharmacy
- Jiamusi University
- Jiamusi 154007
- People's Republic of China
| | - Qinqin Sang
- College of Pharmacy
- Jiamusi University
- Jiamusi 154007
- People's Republic of China
| | - Juan Du
- College of Pharmacy
- Jiamusi University
- Jiamusi 154007
- People's Republic of China
| | - Ming Yang
- College of Pharmacy
- Jiamusi University
- Jiamusi 154007
- People's Republic of China
| | - Xiuling Li
- College of Pharmacy
- Jiamusi University
- Jiamusi 154007
- People's Republic of China
| | - Yu Shen
- College of Pharmacy
- Jiamusi University
- Jiamusi 154007
- People's Republic of China
| | - Xiaoxia Han
- State Key Laboratory of Supramolecular Structure and Materials
- Jilin University
- Changchun 130012
- People's Republic of China
| | - Xin Jiang
- College of Pharmacy
- Jiamusi University
- Jiamusi 154007
- People's Republic of China
| | - Bing Zhao
- State Key Laboratory of Supramolecular Structure and Materials
- Jilin University
- Changchun 130012
- People's Republic of China
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20
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Altun AO, Bond T, Pronk W, Park HG. Sensitive Detection of Competitive Molecular Adsorption by Surface-Enhanced Raman Spectroscopy. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2017; 33:6999-7006. [PMID: 28648080 DOI: 10.1021/acs.langmuir.7b01186] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/26/2023]
Abstract
Surface adsorption plays a critical role in a wide variety of fields from surface catalysis to molecular separation. Despite the importance, limited access to simultaneously sensitive and selective detection mechanisms has hampered the acquisition of comprehensive and versatile experimental data needed to understand the complex aspects of mixture adsorption, calling for a molecular detection method capable of obtaining the surface adsorption isotherms over a wide range of concentrations as well as distinguishing the competitive adsorption of different adsorbates. Here, we test surface-enhanced Raman spectroscopy (SERS) as an effective analysis tool of surface adsorption phenomena. Using a sensitive SERS substrate, we characterize the adsorption isotherms of chemical species of various binding energies. We obtained the isotherms for strongly binding species in a concentration range from subpicomolar to micromolar. A log-sigmoidal dependency of the SERS signals to the analyte concentration could be modeled by surface binding theories accurately using molecular dynamics simulations, thereby bringing out the potential capability of sensitive SERS for describing a single-compound adsorption process. SERS also enabled the determination of competitive adsorption isotherms from a multiple-compound solution for the first time. The successful demonstration of the sensitive and selective characterization of surface adsorption lends SERS adaptability to a cheap, facile, and effective solution for chemical analysis.
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Affiliation(s)
- Ali O Altun
- Nanoscience for Energy Technology and Sustainability, Department of Mechanical and Process Engineering, Eidgenössische Technische Hochschule (ETH) Zürich , Zürich CH-8092, Switzerland
| | - Tiziana Bond
- Engineering Directorate, Lawrence Livermore National Laboratory , Livermore CA 94650, United States
| | - Wouter Pronk
- Eawag, Swiss Federal Institute of Aquatic Science and Technology , P.O. Box 611, CH-8600 Dübendorf, Switzerland
| | - Hyung Gyu Park
- Nanoscience for Energy Technology and Sustainability, Department of Mechanical and Process Engineering, Eidgenössische Technische Hochschule (ETH) Zürich , Zürich CH-8092, Switzerland
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21
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Shanthil M, Fathima H, George Thomas K. Cost-Effective Plasmonic Platforms: Glass Capillaries Decorated with Ag@SiO 2 Nanoparticles on Inner Walls as SERS Substrates. ACS APPLIED MATERIALS & INTERFACES 2017; 9:19470-19477. [PMID: 28248484 DOI: 10.1021/acsami.6b12478] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
A cost-effective method for the fabrication of a glass capillary based plasmonic platform for the selective detection and identification of analytes of importance in health, environment, and safety is demonstrated. This was achieved by coating Ag@SiO2 nanoparticles (Ag ∼ 60 nm) having silica shell of varying thickness (∼2 and ∼25 nm) on the inside walls of glass capillaries, over 2 cm in length, with uniform coverage. It was found that the particle density on the surface plays a decisive role on the enhancement of Raman signals. Multiple hot spots, which are essentially junctions of amplified electric field, were generated when ∼30 Ag@SiO2 particles/μm2 were bound onto the walls of glass capillaries. The pores of the silica shell allow the localization of analyte molecules to the vicinity of hot spots resulting in signal enhancements of the order of 1010 (using pyrene as analyte; excitation wavelength, 632.8 nm). The applicability of Ag@SiO2 coated capillaries for the detection of a wide range of molecules has been explored, by taking representative examples of polyaromatic hydrocarbons (pyrene), amino acids (tryptophan), proteins (bovine serum albumin), and explosives (trinitrotoluene). By increasing the thickness of the silica shell of Ag@SiO2 nanoparticles, an effective filtration cum detection method has been developed for the selective identification of small molecules such as amino acids, without the interference of large proteins.
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Affiliation(s)
- M Shanthil
- School of Chemistry, Indian Institute of Science Education and Research Thiruvananthapuram (IISER-TVM) , CET Campus, Thiruvananthapuram 695 016, India
- Photosciences and Photonics, CSIR-National Institute for Interdisciplinary Science and Technology , Thiruvananthapuram 695 019, India
| | - Hemna Fathima
- School of Chemistry, Indian Institute of Science Education and Research Thiruvananthapuram (IISER-TVM) , CET Campus, Thiruvananthapuram 695 016, India
| | - K George Thomas
- School of Chemistry, Indian Institute of Science Education and Research Thiruvananthapuram (IISER-TVM) , CET Campus, Thiruvananthapuram 695 016, India
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22
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Hakonen A, Wang F, Andersson PO, Wingfors H, Rindzevicius T, Schmidt MS, Soma VR, Xu S, Li Y, Boisen A, Wu H. Hand-Held Femtogram Detection of Hazardous Picric Acid with Hydrophobic Ag Nanopillar SERS Substrates and Mechanism of Elasto-Capillarity. ACS Sens 2017; 2:198-202. [PMID: 28723138 DOI: 10.1021/acssensors.6b00749] [Citation(s) in RCA: 46] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Picric acid (PA) is a severe environmental and security risk due to its unstable, toxic, and explosive properties. It is also challenging to detect in trace amounts and in situ because of its highly acidic and anionic character. Here, we assess sensing of PA under nonlaboratory conditions using surface-enhanced Raman scattering (SERS) silver nanopillar substrates and hand-held Raman spectroscopy equipment. The advancing elasto-capillarity effects are explained by molecular dynamics simulations. We obtain a SERS PA detection limit on the order of 20 ppt, corresponding attomole amounts, which together with the simple analysis methodology demonstrates that the presented approach is highly competitive for ultrasensitive analysis in the field.
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Affiliation(s)
- Aron Hakonen
- Department
of Physics, Chalmers University of Technology, S-412 96 Göteborg, Sweden
- SP Technical Research
Institute of Sweden, Chemistry, Materials and Surfaces, Box 857, SE-501 15 Borås, Sweden
| | - FengChao Wang
- Chinese Academy of Sciences Key Laboratory of Mechanical Behavior & Design of Materials, Department of Modern Mechanics, University of Science & Technology of China, Hefei, Anhui 230027, China
| | - Per Ola Andersson
- Swedish Defense Research Agency FOI, CBRN Defence & Security, SE-90182 Umeå, Sweden
- Department
of Engineering Sciences, Uppsala University, P.O. Box 534, SE-751 21 Uppsala, Sweden
| | - Håkan Wingfors
- Swedish Defense Research Agency FOI, CBRN Defence & Security, SE-90182 Umeå, Sweden
| | - Tomas Rindzevicius
- DTU Nanotech, Technical University of Denmark, Department
of Micro- and Nanotechnology, Ørsteds Plads, Building 345 East, 2800 Kgs. Lyngby, Denmark
| | - Michael Stenbæk Schmidt
- DTU Nanotech, Technical University of Denmark, Department
of Micro- and Nanotechnology, Ørsteds Plads, Building 345 East, 2800 Kgs. Lyngby, Denmark
| | - Venugopal Rao Soma
- Advanced
Centre of Research in High Energy Materials (ACRHEM), University of Hyderabad, Hyderabad 500046, Telangana India
| | - Shicai Xu
- Shandong
Provincial Key Laboratory of Biophysics, College of Physics and Electronic
Information, Dezhou University, Dezhou 253023, China
| | - YingQi Li
- Chinese Academy of Sciences Key Laboratory of Mechanical Behavior & Design of Materials, Department of Modern Mechanics, University of Science & Technology of China, Hefei, Anhui 230027, China
| | - Anja Boisen
- DTU Nanotech, Technical University of Denmark, Department
of Micro- and Nanotechnology, Ørsteds Plads, Building 345 East, 2800 Kgs. Lyngby, Denmark
| | - HengAn Wu
- Chinese Academy of Sciences Key Laboratory of Mechanical Behavior & Design of Materials, Department of Modern Mechanics, University of Science & Technology of China, Hefei, Anhui 230027, China
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23
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Kong X, Xi Y, Le Duff P, Chong X, Li E, Ren F, Rorrer GL, Wang AX. Detecting explosive molecules from nanoliter solution: A new paradigm of SERS sensing on hydrophilic photonic crystal biosilica. Biosens Bioelectron 2017; 88:63-70. [PMID: 27471144 PMCID: PMC5371024 DOI: 10.1016/j.bios.2016.07.062] [Citation(s) in RCA: 42] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2016] [Revised: 07/05/2016] [Accepted: 07/19/2016] [Indexed: 10/21/2022]
Abstract
We demonstrate a photonic crystal biosilica surface-enhanced Raman scattering (SERS) substrate based on a diatom frustule with in-situ synthesized silver nanoparticles (Ag NPs) to detect explosive molecules from nanoliter (nL) solution. By integrating high density Ag NPs inside the nanopores of diatom biosilica, which is not achievable by traditional self-assembly techniques, we obtained ultra-high SERS sensitivity due to dual enhancement mechanisms. First, the hybrid plasmonic-photonic crystal biosilica with three dimensional morphologies was obtained by electroless-deposited Ag seeds at nanometer sized diatom frustule surface, which provides high density hot spots as well as strongly coupled optical resonances with the photonic crystal structure of diatom frustules. Second, we discovered that the evaporation-driven microscopic flow combined with the strong hydrophilic surface of diatom frustules is capable of concentrating the analyte molecules, which offers a simple yet effective mechanism to accelerate the mass transport into the SERS substrate. Using the inkjet printing technology, we are able to deliver multiple 100pico-liter (pL) volume droplets with pinpoint accuracy into a single diatom frustule with dimension around 30µm×7µm×5µm, which allows for label-free detection of explosive molecules such as trinitrotoluene (TNT) down to 10-10M in concentration and 2.7×10-15g in mass from 120nL solution. Our research illustrates a new paradigm of SERS sensing to detect trace level of chemical compounds from minimum volume of analyte using nature created photonic crystal biosilica materials.
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Affiliation(s)
- Xianming Kong
- School of Electrical Engineering and Computer Science, Oregon State University, Corvallis, OR, 97331 USA
| | - Yuting Xi
- School of Electrical Engineering and Computer Science, Oregon State University, Corvallis, OR, 97331 USA
| | - Paul Le Duff
- School of Chemical, Biological & Environmental Engineering, Oregon State University, Corvallis, OR, 97331 USA
| | - Xinyuan Chong
- School of Electrical Engineering and Computer Science, Oregon State University, Corvallis, OR, 97331 USA
| | - Erwen Li
- School of Electrical Engineering and Computer Science, Oregon State University, Corvallis, OR, 97331 USA
| | - Fanghui Ren
- School of Electrical Engineering and Computer Science, Oregon State University, Corvallis, OR, 97331 USA
| | - Gregory L Rorrer
- School of Chemical, Biological & Environmental Engineering, Oregon State University, Corvallis, OR, 97331 USA
| | - Alan X Wang
- School of Electrical Engineering and Computer Science, Oregon State University, Corvallis, OR, 97331 USA.
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24
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Huang Q, Li J, Wei W, Wu Y, Li T. Synthesis, characterization and application of TiO2/Ag recyclable SERS substrates. RSC Adv 2017. [DOI: 10.1039/c7ra03112b] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023] Open
Abstract
In this paper, rutile and anatase TiO2/Ag nanocomposites were prepared by a facile and green photochemical method.
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Affiliation(s)
- Qingli Huang
- Research Facility Center for Morphology of Xuzhou Medical University
- Xuzhou City
- China
- Testing Center
- Yangzhou University
| | - Jing Li
- School of Chemistry and Chemical Engineering
- Xuzhou Institute of Technology
- Xuzhou City
- China
| | - Wenxian Wei
- Testing Center
- Yangzhou University
- Yangzhou City
- China
| | - Yongping Wu
- Research Facility Center for Morphology of Xuzhou Medical University
- Xuzhou City
- China
| | - Ting Li
- Research Facility Center for Morphology of Xuzhou Medical University
- Xuzhou City
- China
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25
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26
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Kong X, Xi Y, LeDuff P, Li E, Liu Y, Cheng LJ, Rorrer GL, Tan H, Wang AX. Optofluidic sensing from inkjet-printed droplets: the enormous enhancement by evaporation-induced spontaneous flow on photonic crystal biosilica. NANOSCALE 2016; 8:17285-17294. [PMID: 27714122 PMCID: PMC5076880 DOI: 10.1039/c6nr05809d] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/22/2023]
Abstract
Novel transducers for detecting an ultra-small volume of an analyte solution play pivotal roles in many applications such as chemical analysis, environmental protection and biomedical diagnosis. Recent advances in optofluidics offer tremendous opportunities for analyzing miniature amounts of samples with high detection sensitivity. In this work, we demonstrate enormous enhancement factors (106-107) of the detection limit for optofluidic analysis from inkjet-printed droplets by evaporation-induced spontaneous flow on photonic crystal biosilica when compared with conventional surface-enhanced Raman scattering (SERS) sensing using the pipette dispensing technology. Our computational fluid dynamics simulation has shown a strong recirculation flow inside the 100 picoliter droplet during the evaporation process due to the thermal Marangoni effect. The combination of the evaporation-induced spontaneous flow in micron-sized droplets and the highly hydrophilic photonic crystal biosilica is capable of providing a strong convection flow to combat the reverse diffusion force, resulting in a higher concentration of the analyte molecules at the diatom surface. In the meanwhile, high density hot-spots provided by the strongly coupled plasmonic nanoparticles with photonic crystal biosilica under a 1.5 μm laser spot are verified by finite-difference time domain simulation, which is crucial for SERS sensing. Using a drop-on-demand inkjet device to dispense multiple 100 picoliter analyte droplets with pinpoint accuracy, we achieved the single molecule detection of Rhodamine 6G and label-free sensing of 4.5 × 10-17 g trinitrotoluene from only 200 nanoliter solution.
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Affiliation(s)
- Xianming Kong
- School of Electrical Engineering and Computer Science, Oregon State University, Corvallis, OR 97331, USA.
| | - Yuting Xi
- School of Electrical Engineering and Computer Science, Oregon State University, Corvallis, OR 97331, USA.
| | - Paul LeDuff
- School of Chemical, Biological & Environmental Engineering, Oregon State University, Corvallis, OR 97331, USA
| | - Erwen Li
- School of Electrical Engineering and Computer Science, Oregon State University, Corvallis, OR 97331, USA.
| | - Ye Liu
- School of Electrical Engineering and Computer Science, Oregon State University, Corvallis, OR 97331, USA.
| | - Li-Jing Cheng
- School of Electrical Engineering and Computer Science, Oregon State University, Corvallis, OR 97331, USA.
| | - Gregory L Rorrer
- School of Chemical, Biological & Environmental Engineering, Oregon State University, Corvallis, OR 97331, USA
| | - Hua Tan
- School of Engineering and Computer Science, Washington State University-Vancouver, Vancouver, WA 98686, USA.
| | - Alan X Wang
- School of Electrical Engineering and Computer Science, Oregon State University, Corvallis, OR 97331, USA.
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27
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Yi Z, Niu G, Luo J, Kang X, Yao W, Zhang W, Yi Y, Yi Y, Ye X, Duan T, Tang Y. Ordered array of Ag semishells on different diameter monolayer polystyrene colloidal crystals: An ultrasensitive and reproducible SERS substrate. Sci Rep 2016; 6:32314. [PMID: 27586562 PMCID: PMC5009367 DOI: 10.1038/srep32314] [Citation(s) in RCA: 46] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2016] [Accepted: 07/14/2016] [Indexed: 12/26/2022] Open
Abstract
Ag semishells (AgSS) ordered arrays for surface-enhanced Raman scattering (SERS) spectroscopy have been prepared by depositing Ag film onto polystyrene colloidal particle (PSCP) monolayer templates array. The diversified activity for SERS activity with the ordered AgSS arrays mainly depends on the PSCP diameter and Ag film thickness. The high SERS sensitivity and reproducibility are proved by the detection of rhodamine 6G (R6G) and 4-aminothiophenol (4-ATP) molecules. The prominent enhancements of SERS are mainly from the “V”-shaped or “U”-shaped nanogaps on AgSS, which are experimentally and theoretically investigated. The higher SERS activity, stability and reproducibility make the ordered AgSS a promising choice for practical SERS low concentration detection applications.
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Affiliation(s)
- Zao Yi
- Joint Laboratory for Extreme Conditions Matter Properties, Southwest University of Science and Technology, Mianyang 621900, China.,Co-Innovation Center for Energetic Materials, Southwest University of Science and Technology, Mianyang 621900, China
| | - Gao Niu
- Research Center of Laser Fusion, China Academy of Engineering Physics, Mianyang 621900, China
| | - Jiangshan Luo
- Research Center of Laser Fusion, China Academy of Engineering Physics, Mianyang 621900, China
| | - Xiaoli Kang
- Research Center of Laser Fusion, China Academy of Engineering Physics, Mianyang 621900, China
| | - Weitang Yao
- Joint Laboratory for Extreme Conditions Matter Properties, Southwest University of Science and Technology, Mianyang 621900, China.,Co-Innovation Center for Energetic Materials, Southwest University of Science and Technology, Mianyang 621900, China
| | - Weibin Zhang
- Department of Physics, Dongguk University, Seoul, 100715, Korea
| | - Yougen Yi
- College of Physics and Electronics, Central South University, Changsha 410083, China
| | - Yong Yi
- Joint Laboratory for Extreme Conditions Matter Properties, Southwest University of Science and Technology, Mianyang 621900, China.,Co-Innovation Center for Energetic Materials, Southwest University of Science and Technology, Mianyang 621900, China
| | - Xin Ye
- Research Center of Laser Fusion, China Academy of Engineering Physics, Mianyang 621900, China
| | - Tao Duan
- Joint Laboratory for Extreme Conditions Matter Properties, Southwest University of Science and Technology, Mianyang 621900, China.,Co-Innovation Center for Energetic Materials, Southwest University of Science and Technology, Mianyang 621900, China
| | - Yongjian Tang
- Joint Laboratory for Extreme Conditions Matter Properties, Southwest University of Science and Technology, Mianyang 621900, China.,Co-Innovation Center for Energetic Materials, Southwest University of Science and Technology, Mianyang 621900, China
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28
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Chen J, Shi YE, Zhang M, Zhan J. Diethyldithiocarbamate (DDTC) induced formation of positively charged silver nanoparticles for rapid in situ identification of inorganic explosives by surface enhanced Raman spectroscopy. RSC Adv 2016. [DOI: 10.1039/c6ra06111g] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
Abstract
Diethyldithiocarbamate could induce the generation of positively charged silver nanoparticles for rapidin situdetection of the explosives with a portable Raman spectrometer.
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Affiliation(s)
- Juan Chen
- National Engineering Research Center for Colloidal Materials
- Key Laboratory for Colloid and Interface Chemistry of Ministry of Education
- Department of Chemistry
- Shandong University
- Jinan 250100
| | - Yu-e Shi
- National Engineering Research Center for Colloidal Materials
- Key Laboratory for Colloid and Interface Chemistry of Ministry of Education
- Department of Chemistry
- Shandong University
- Jinan 250100
| | - Min Zhang
- National Engineering Research Center for Colloidal Materials
- Key Laboratory for Colloid and Interface Chemistry of Ministry of Education
- Department of Chemistry
- Shandong University
- Jinan 250100
| | - Jinhua Zhan
- National Engineering Research Center for Colloidal Materials
- Key Laboratory for Colloid and Interface Chemistry of Ministry of Education
- Department of Chemistry
- Shandong University
- Jinan 250100
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