101
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Chen Q, Yang M, Yang X, Li H, Guo Z, Rahma MH. A large Raman scattering cross-section molecular embedded SERS aptasensor for ultrasensitive Aflatoxin B1 detection using CS-Fe 3O 4 for signal enrichment. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2018; 189:147-153. [PMID: 28806700 DOI: 10.1016/j.saa.2017.08.029] [Citation(s) in RCA: 63] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/19/2017] [Revised: 08/02/2017] [Accepted: 08/09/2017] [Indexed: 05/25/2023]
Abstract
With growing concern on oil safety problems, developing a simple and sensitive method to detect Aflatoxin B1 (AFB1), a common mycotoxin in peanut oil, is very necessary. In this study, Surface-enhanced Raman Scattering (SERS) aptasensor was developed for ultrasensitive AFB1 detection using the amino-terminal AFB1 aptamer (NH2-DNA1); and thiol-terminal AFB1 complementary aptamer (SH-DNA2) conjugated magnetic-beads (CS-Fe3O4) as enrichment nanoprobe and AuNR@DNTB@Ag nanorods (ADANRs) as reporter nanoprobe respectively. 5,5'-Dithiobis(2-nitrobenzoicacid) (DNTB) with large Raman scattering cross-section and no fluorescence interference was embedded in Au and Ag core/shell nanorods as Raman reporter molecules. CS-Fe3O4 possessed excellent biocompatibility and superparamagnetism for rapid signal enrichment. Therefore, NH2-DNA1-CS-Fe3O4 and SH-DNA2-ADANRs were fabricated via the hybrid reaction between aptamers and complementary aptamers. When there is AFB1, AFB1 would competitively combine with the NH2-DNA1-CS-Fe3O4 inducing the dissociation of SH-DNA2-ADANRs from CS-Fe3O4 and further decreasing the SERS signal. Based on this developed SERS aptasensor, a low limit of 0.0036ng/mL and an effective linear detection range from 0.01 to 100ng/mL with the correlation coefficient up to 0.986 for AFB1 detection were obtained. Moreover, the specificity of this SERS aptasensor was demonstrated by detecting other two mycotoxins and its accuracy for AFB1 detection in real peanut oil was further confirmed by standard addition recovery test.
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Affiliation(s)
- Quansheng Chen
- School of Food and Biological engineering, Jiangsu University, Zhenjiang 212013, PR China.
| | - Mingxiu Yang
- School of Food and Biological engineering, Jiangsu University, Zhenjiang 212013, PR China
| | - Xiaojing Yang
- School of Food and Biological engineering, Jiangsu University, Zhenjiang 212013, PR China
| | - Huanhuan Li
- School of Food and Biological engineering, Jiangsu University, Zhenjiang 212013, PR China
| | - Zhiming Guo
- School of Food and Biological engineering, Jiangsu University, Zhenjiang 212013, PR China
| | - M H Rahma
- School of Food and Biological engineering, Jiangsu University, Zhenjiang 212013, PR China
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102
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A Review on Applications of Two-Dimensional Materials in Surface-Enhanced Raman Spectroscopy. ACTA ACUST UNITED AC 2018. [DOI: 10.1155/2018/4861472] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Abstract
Two-dimensional (2D) materials, such as graphene and MoS2, have been attracting wide interest in surface enhancement Raman spectroscopy. This perspective gives an overview of recent developments in 2D materials’ application in surface-enhanced Raman spectroscopy. This review paper focuses on the applications of using bare 2D materials and metal/2D material hybrid substrate for Raman enhancement. The Raman enhancing mechanism of 2D materials will also be discussed. The progress covered herein shows great promise for widespread adoption of 2D materials in SERS application.
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103
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Nayak DR, Bhat N, Umapathy S. Hydrophobic mediated growth of galvanic-nanobuds from germanium nanowires for a highly tunable SERS substrate. NEW J CHEM 2018. [DOI: 10.1039/c8nj05106b] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A SERS substrate is fabricated through a scalable process exhibiting suitable hotspot distribution, shelf life, tunability, and biological applications.
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Affiliation(s)
- Deepak Ranjan Nayak
- Centre for Nano Science and Engineering
- Indian Institute of Science
- Bangalore
- India
| | - Navakanta Bhat
- Centre for Nano Science and Engineering
- Indian Institute of Science
- Bangalore
- India
| | - Siva Umapathy
- Department of Inorganic and Physical Chemistry, Indian Institute of Science
- Bangalore
- India
- Indian Institute of Science Education and Research
- Bhopal
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104
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Pietrasik J, Budzałek K, Zhang Y, Hałagan K, Kozanecki M. Macromolecular Templates for Synthesis of Inorganic Nanoparticles. ACS SYMPOSIUM SERIES 2018. [DOI: 10.1021/bk-2018-1285.ch010] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/10/2022]
Affiliation(s)
- Joanna Pietrasik
- Institute of Polymer and Dye Technology, Lodz University of Technology, Zeromskiego 116, 90 924 Lodz, Poland
| | - Katarzyna Budzałek
- Department of Molecular Physics, Lodz University of Technology, Zeromskiego 116, 90 924 Lodz, Poland
| | - Yaoming Zhang
- Institute of Polymer and Dye Technology, Lodz University of Technology, Zeromskiego 116, 90 924 Lodz, Poland
| | - Krzysztof Hałagan
- Department of Molecular Physics, Lodz University of Technology, Zeromskiego 116, 90 924 Lodz, Poland
| | - Marcin Kozanecki
- Department of Molecular Physics, Lodz University of Technology, Zeromskiego 116, 90 924 Lodz, Poland
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105
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Yüksel S, Ziegler M, Goerke S, Huebner U, Weber K, Schaaf P, Meyer HG, Cialla-May D, Popp J. Hierarchically-Designed 3D Flower-Like Composite Nanostructures as an Ultrastable, Reproducible, and Sensitive SERS Substrate. ACS APPLIED MATERIALS & INTERFACES 2017; 9:38854-38862. [PMID: 29053250 DOI: 10.1021/acsami.7b14833] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/07/2023]
Abstract
Surface-enhanced Raman spectroscopy (SERS) is an attractive tool in the analytical sciences due to its high specificity and sensitivity. Because SERS-active substrates are only available as two-dimensional arrays, the fabrication of three-dimensional (3D) nanostructures allows for an increased number of hot spots in the focus volume, thus further amplifying the SERS signal. Although a great number of fabrication strategies for powerful SERS substrates exist, the generation of 3D nanostructures with high complexity and periodicity is still challenging. For this purpose, we report an easy fabrication technique for 3D nanostructures following a bottom-up preparation protocol. Enzymatically generated silver nanoparticles (EGNPs) are prepared, and the growth of hierarchically-designed 3D flower-like silica-silver composite nanostructures is induced by applying plasma-enhanced atomic layer deposition (PE-ALD) on the EGNPs. The morphology of these nanocomposites can be varied by changes in the PE-ALD cycle number, and a flower height of up to 10 μm is found. Moreover, the metallized (e.g., silver or gold) 3D nanostructures resulting from 135 PE-ALD cycles of silica creation provide highly reproducible SERS signals across the hydrophobic surface. Within this contribution, the morphological studies, optical properties, as well as the SERS response of these metallized silica-silver composite nanostructures applying vitamin B2 as a model analyte are introduced.
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Affiliation(s)
- Sezin Yüksel
- Leibniz Institute of Photonic Technology Jena (IPHT) , Albert-Einstein-Straße 9, 07745 Jena, Germany
- Institute of Physical Chemistry and Abbe Center of Photonics, Friedrich Schiller University Jena , Helmholtzweg 4, 07743 Jena, Germany
- InfectoGnostics Forschungscampus Jena, Zentrum für Angewandte Forschung , Philosophenweg 7, 07743 Jena, Germany
| | - Mario Ziegler
- Leibniz Institute of Photonic Technology Jena (IPHT) , Albert-Einstein-Straße 9, 07745 Jena, Germany
- Department of Electrical Engineering and Information Technology, Institute of Materials Science and Engineering and Institute of Micro and Nanotechnologies MacroNano, TU Ilmenau , Gustav-Kirchhoff-Str. 5, 98693 Ilmenau, Germany
| | - Sebastian Goerke
- Leibniz Institute of Photonic Technology Jena (IPHT) , Albert-Einstein-Straße 9, 07745 Jena, Germany
| | - Uwe Huebner
- Leibniz Institute of Photonic Technology Jena (IPHT) , Albert-Einstein-Straße 9, 07745 Jena, Germany
| | - Karina Weber
- Leibniz Institute of Photonic Technology Jena (IPHT) , Albert-Einstein-Straße 9, 07745 Jena, Germany
- Institute of Physical Chemistry and Abbe Center of Photonics, Friedrich Schiller University Jena , Helmholtzweg 4, 07743 Jena, Germany
- InfectoGnostics Forschungscampus Jena, Zentrum für Angewandte Forschung , Philosophenweg 7, 07743 Jena, Germany
| | - Peter Schaaf
- Department of Electrical Engineering and Information Technology, Institute of Materials Science and Engineering and Institute of Micro and Nanotechnologies MacroNano, TU Ilmenau , Gustav-Kirchhoff-Str. 5, 98693 Ilmenau, Germany
| | - Hans-Georg Meyer
- Leibniz Institute of Photonic Technology Jena (IPHT) , Albert-Einstein-Straße 9, 07745 Jena, Germany
| | - Dana Cialla-May
- Leibniz Institute of Photonic Technology Jena (IPHT) , Albert-Einstein-Straße 9, 07745 Jena, Germany
- Institute of Physical Chemistry and Abbe Center of Photonics, Friedrich Schiller University Jena , Helmholtzweg 4, 07743 Jena, Germany
- InfectoGnostics Forschungscampus Jena, Zentrum für Angewandte Forschung , Philosophenweg 7, 07743 Jena, Germany
| | - Jürgen Popp
- Leibniz Institute of Photonic Technology Jena (IPHT) , Albert-Einstein-Straße 9, 07745 Jena, Germany
- Institute of Physical Chemistry and Abbe Center of Photonics, Friedrich Schiller University Jena , Helmholtzweg 4, 07743 Jena, Germany
- InfectoGnostics Forschungscampus Jena, Zentrum für Angewandte Forschung , Philosophenweg 7, 07743 Jena, Germany
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106
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Bimetallic nanoplasmonic gap-mode SERS substrate for lung normal and cancer-derived exosomes detection. J Taiwan Inst Chem Eng 2017. [DOI: 10.1016/j.jtice.2017.09.026] [Citation(s) in RCA: 36] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
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107
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Wu LA, Li WE, Lin DZ, Chen YF. Three-Dimensional SERS Substrates Formed with Plasmonic Core-Satellite Nanostructures. Sci Rep 2017; 7:13066. [PMID: 29026173 PMCID: PMC5638830 DOI: 10.1038/s41598-017-13577-9] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2017] [Accepted: 09/25/2017] [Indexed: 11/24/2022] Open
Abstract
We demonstrate three-dimensional surface-enhanced Raman spectroscopy (SERS) substrates formed by accumulating plasmonic nanostructures that are synthesized using a DNA-assisted assembly method. We densely immobilize Au nanoparticles (AuNPs) on polymer beads to form core-satellite nanostructures for detecting molecules by SERS. The experimental parameters affecting the AuNP immobilization, including salt concentration and the number ratio of the AuNPs to the polymer beads, are tested to achieve a high density of the immobilized AuNPs. To create electromagnetic hot spots for sensitive SERS sensing, we add a Ag shell to the AuNPs to reduce the interparticle distance further, and we carefully adjust the thickness of the shell to optimize the SERS effects. In addition, to obtain sensitive and reproducible SERS results, instead of using the core-satellite nanostructures dispersed in solution directly, we prepare SERS substrates consisting of closely packed nanostructures by drying nanostructure-containing droplets on hydrophobic surfaces. The densely distributed small and well-controlled nanogaps on the accumulated nanostructures function as three-dimensional SERS hot spots. Our results show that the SERS spectra obtained using the substrates are much stronger and more reproducible than that obtained using the nanostructures dispersed in solution. Sensitive detection of melamine and sodium thiocyanate (NaSCN) are achieved using the SERS substrates.
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Affiliation(s)
- Li-An Wu
- Institute of Biophotonics, National Yang-Ming University, Taipei, 112, Taiwan
| | - Wei-En Li
- Institute of Biophotonics, National Yang-Ming University, Taipei, 112, Taiwan
| | - Ding-Zheng Lin
- Material and Chemical Research Laboratory, Industrial Technology Research Institute, Hsinchu, 310, Taiwan
| | - Yih-Fan Chen
- Institute of Biophotonics, National Yang-Ming University, Taipei, 112, Taiwan.
- Biophotonics and Molecular Imaging Research Centre, National Yang-Ming University, Taipei, 112, Taiwan.
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108
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Zhang S, Geryak R, Geldmeier J, Kim S, Tsukruk VV. Synthesis, Assembly, and Applications of Hybrid Nanostructures for Biosensing. Chem Rev 2017; 117:12942-13038. [DOI: 10.1021/acs.chemrev.7b00088] [Citation(s) in RCA: 206] [Impact Index Per Article: 29.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Affiliation(s)
- Shuaidi Zhang
- School of Materials Science
and Engineering, Georgia Institute of Technology, Atlanta, Georgia 30332-0245, United States
| | - Ren Geryak
- School of Materials Science
and Engineering, Georgia Institute of Technology, Atlanta, Georgia 30332-0245, United States
| | - Jeffrey Geldmeier
- School of Materials Science
and Engineering, Georgia Institute of Technology, Atlanta, Georgia 30332-0245, United States
| | - Sunghan Kim
- School of Materials Science
and Engineering, Georgia Institute of Technology, Atlanta, Georgia 30332-0245, United States
| | - Vladimir V. Tsukruk
- School of Materials Science
and Engineering, Georgia Institute of Technology, Atlanta, Georgia 30332-0245, United States
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109
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Wu H, Li X, Xu J, Wang C, Rong Z, Xiao R, Wang S. Study on the SERS substrate composed of Au@Ag core-shell nanoparticles linked to SiO 2 spheres. INORG NANO-MET CHEM 2017. [DOI: 10.1080/15533174.2016.1212232] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
Affiliation(s)
- Huiyun Wu
- Beijing Institute of Radiation Medicine, Beijing, P. R. China
- Department of Science and Technology, Academy of Military Medical Sciences, Beijing, P. R. China
| | - Xin Li
- Department of Science and Technology, Academy of Military Medical Sciences, Beijing, P. R. China
| | - Jiawen Xu
- Beijing Institute of Radiation Medicine, Beijing, P. R. China
| | - Congwen Wang
- Beijing Institute of Radiation Medicine, Beijing, P. R. China
| | - Zhen Rong
- Beijing Institute of Radiation Medicine, Beijing, P. R. China
| | - Rui Xiao
- Beijing Institute of Radiation Medicine, Beijing, P. R. China
| | - Shengqi Wang
- Beijing Institute of Radiation Medicine, Beijing, P. R. China
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110
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Chen M, Zhang L, Gao M, Zhang X. High-sensitive bioorthogonal SERS tag for live cancer cell imaging by self-assembling core-satellites structure gold-silver nanocomposite. Talanta 2017; 172:176-181. [DOI: 10.1016/j.talanta.2017.05.033] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2017] [Revised: 05/10/2017] [Accepted: 05/10/2017] [Indexed: 12/22/2022]
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111
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Gold-rich ligament nanostructure by dealloying Au-based metallic glass ribbon for surface-enhanced Raman scattering. Sci Rep 2017; 7:7485. [PMID: 28790382 PMCID: PMC5548893 DOI: 10.1038/s41598-017-08033-7] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2017] [Accepted: 07/07/2017] [Indexed: 11/08/2022] Open
Abstract
A new method to fabricate an Au-rich interconnected ligament substrate by dealloying the Au-based metallic glass ribbon for surface-enhanced Raman scattering (SERS) applications was investigated in this study. Specifically, three substrates, Au film, Au-based metallic glass ribbon, and dealloyed Au-based metallic glass ribbon, were studied. The dealloyed surface showed ligament nanostructure with protruding micro-islands. Based on the field emission scanning electron microscopy, reflection and scattering measurements, the dealloyed Au-based metallic glass provided a large surface area, multiple reflections, and numerous fine interstices to produce hot spots for SERS enhancements. The SERS signal of analyte, p-aminothiophenol, in the micro-island region of dealloyed Au-based metallic glass was about 2 orders of magnitude larger than the flat Au film. Our work provides a new method to fabricate the inexpensive and high SERS enhancements substrates.
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112
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Rippa M, Castagna R, Tkachenko V, Zhou J, Petti L. Engineered nanopatterned substrates for high-sensitive localized surface plasmon resonance: an assay on biomacromolecules. J Mater Chem B 2017; 5:5473-5478. [PMID: 32264087 DOI: 10.1039/c7tb00777a] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
In this paper, we report on novel iso-Y-shaped-nanopillar based photonic crystals (PCs) engineered for plasmonic lab-on-a-chip advanced diagnostics. The iso-Y shaped units are selected on the basis of their plasmonic properties, analyzed numerically and experimentally. We show that by accurately choosing the nanopillar shape, dimensions and their geometrical disposal it is possible to obtain efficient optical 2D structures for biomolecule detection by high-sensitive localized surface plasmonic resonance (LSPR). In particular, an assay is realized by using bovine serum albumin (BSA), a widely recognized model for biosystem studies. BSA was simply deposited on a self-assembled monolayer (SAM) of 4-mercaptobenzoic acid (4-MBA) previously grown-up on the plasmonic substrate. We demonstrate that the geometries considered allow the design of LSPR nano-assays working in the visible-NIR region based on both intensity interrogation and the resonance peak shift permitting the sensing of BSA with a limit of detection in the order of picomoles (LOD = 233 pM).
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Affiliation(s)
- M Rippa
- Institute of Applied Sciences and Intelligent Systems "E. Caianiello" of CNR, 80072 Pozzuoli, Italy.
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113
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Satheeshkumar E, Karuppaiya P, Sivashanmugan K, Chao WT, Tsay HS, Yoshimura M. Biocompatible 3D SERS substrate for trace detection of amino acids and melamine. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2017; 181:91-97. [PMID: 28347923 DOI: 10.1016/j.saa.2017.03.040] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/05/2016] [Revised: 03/03/2017] [Accepted: 03/17/2017] [Indexed: 05/20/2023]
Abstract
A novel, low-cost and biocompatible three-dimensional (3D) substrate for surface-enhanced Raman spectroscopy (SERS) is fabricated using gold nanoparticles (AuNPs) loaded on cellulose paper for detection of amino acids and melamine. Dysosma pleiantha rhizome (Dp-Rhi) capped AuNPs (Dp-Rhi_AuNPs) were prepared by in situ using aqueous extract of Dp-Rhi and in situ functionalized Dp-Rhi on AuNPs surface was verified by Fourier transform infrared spectroscopy and zeta potentials analysis shows a negative (-18.4mV) surface charges, which confirm that presence of Dp-Rhi on AuNPs. The biocompatibility of Dp-Rhi_AuNPs is also examined by cell viability of FaDu cells using MTS assay and compared to control group. In conclusion, the SERS performance of AuNPs@cellulose paper substrates were systematically demonstrated and examined with different excitation wavelengths (i.e. 532, 632.8 and 785nm lasers) and the as-prepared 3D substrates provided an enhancement factor approaching 7 orders of magnitude compared with conventional Raman intensity using para-nitrothiophenol (p-NTP), para-aminothiophenol (p-ATP) and para-mercaptobenzoic acid (p-MBA) as probe molecules. The strong electromagnetic effect was generated at the interface of AuNPs and pre-treated roughened cellulose paper is also investigated by simulation in which the formation of possible Raman hot-spot zone in fiber-like microstructure of cellulose paper decorated with AuNPs. Notably, with optimized condition of as-prepared 3D AuNPs@cellulose paper is highly sensitive in the SERS detection of aqueous tyrosine (10-10M) and melamine (10-9M).
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Affiliation(s)
- Elumalai Satheeshkumar
- Promotion Center for Global Materials Research (PCGMR), Department of Material Science and Engineering, National Cheng Kung University, Tainan, Taiwan.
| | | | - Kundan Sivashanmugan
- Department of Chemical Engineering, National Cheng Kung University, Tainan, Taiwan
| | - Wei-Ting Chao
- Department of Life Science Research Center, Tunghai University, Taichung, Taiwan
| | - Hsin-Sheng Tsay
- Applied Chemistry, Chaoyang University of Technology, Taichung, Taiwan
| | - Masahiro Yoshimura
- Promotion Center for Global Materials Research (PCGMR), Department of Material Science and Engineering, National Cheng Kung University, Tainan, Taiwan.
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114
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Sivashanmugan K, Lee H, Syu CH, Liu BHC, Liao JD. Nanoplasmonic Au/Ag/Au nanorod arrays as SERS-active substrate for the detection of pesticides residue. J Taiwan Inst Chem Eng 2017. [DOI: 10.1016/j.jtice.2017.03.022] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
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115
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Wang Z, Zong S, Wu L, Zhu D, Cui Y. SERS-Activated Platforms for Immunoassay: Probes, Encoding Methods, and Applications. Chem Rev 2017; 117:7910-7963. [DOI: 10.1021/acs.chemrev.7b00027] [Citation(s) in RCA: 368] [Impact Index Per Article: 52.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Affiliation(s)
- Zhuyuan Wang
- Advanced Photonics Center, Southeast University, Nanjing 210096, Jiangsu, China
| | - Shenfei Zong
- Advanced Photonics Center, Southeast University, Nanjing 210096, Jiangsu, China
| | - Lei Wu
- Advanced Photonics Center, Southeast University, Nanjing 210096, Jiangsu, China
| | - Dan Zhu
- Advanced Photonics Center, Southeast University, Nanjing 210096, Jiangsu, China
| | - Yiping Cui
- Advanced Photonics Center, Southeast University, Nanjing 210096, Jiangsu, China
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116
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Quantitative Detection of NADH Using a Novel Enzyme-Assisted Method Based on Surface-Enhanced Raman Scattering. SENSORS 2017; 17:s17040788. [PMID: 28387704 PMCID: PMC5422061 DOI: 10.3390/s17040788] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/19/2017] [Revised: 03/30/2017] [Accepted: 03/30/2017] [Indexed: 01/26/2023]
Abstract
An enzymatic method for quantitative detection of the reduced form of nicotinamide-adenine dinucleotide (NADH) using surface-enhanced Raman scattering was developed. Under the action of NADH oxidase and horseradish peroxidase, NADH can generate hydrogen peroxide (H2O2) in a 1:1 molar ratio, and the H2O2 can oxidize a chromogen into pigment with a 1:1 molar ratio. Therefore, the concentration of NADH can be determined by detecting the generated pigment. In our experiments, eight chromogens were studied, and o-tolidine (OT) was selected because of the unique Raman peaks displayed by its corresponding pigment. The optimal OT concentration was 2 × 10−3 M, and this gave the best linear relationship and the widest linear range between the logarithmic H2O2 concentration and the logarithmic integrated SERS intensity of the peak centered at 1448 cm−1. Under this condition, the limit of detection for NADH was as low as 4 × 10−7 M. Two NADH samples with concentrations of 2 × 10−4 and 2 × 10−5 M were used to validate the linear relationship, and the logarithmic deviations were less than 3%.
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117
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Chiang CY, Liu TY, Su YA, Wu CH, Cheng YW, Cheng HW, Jeng RJ. Au Nanoparticles Immobilized on Honeycomb-Like Polymeric Films for Surface-Enhanced Raman Scattering (SERS) Detection. Polymers (Basel) 2017; 9:E93. [PMID: 30970772 PMCID: PMC6432464 DOI: 10.3390/polym9030093] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2017] [Revised: 02/28/2017] [Accepted: 03/02/2017] [Indexed: 01/13/2023] Open
Abstract
We have successfully developed novel surface-enhanced Raman scattering (SERS) substrates with three-dimensional (3D) porous structures for effectively improving the sensitivity and reproducibility of SERS, which can rapidly detect small molecules (rhodamine 6G as an example). Periodical arrays of the honeycomb-like substrates were fabricated by self-assembling polyurethane-co-azetidine-2,4-dione (PU-PAZ) polymers. PU-PAZ comprising amphiphilic dendrons could stabilize the phase separation between the water droplets and polymer solution, and then organize into regular porous structures during the breath figure method. Subsequently, SERS substrates were fabricated by immobilizing gold nanoparticles (AuNPs) onto the honeycomb-like films with various 3D porous structures, controlled by the different PU-PAZ concentrations and relative humidities. Results show that surface enhancement factors of honeycomb-like substrates were 20 times higher than that of flat-film substrates (control group) due to enormous hot-spots resonance effects by the 3D porous structure, verified through Raman mapping at various positions of the z-axis. Furthermore, the particle size effects were evaluated by immobilized 12 and 67 nm of AuNPs on the honeycomb-like substrates, indicating larger AuNPs could induce more pronounced hot-spots effects. The generation of hot-spots resonance to enhance Raman intensity is strongly dependent on the diameter of AuNPs and the pore size of the honeycomb-like and 3D porous substrates for label-free and rapid SERS detection.
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Affiliation(s)
- Chia-Yen Chiang
- Institute of Polymer Science and Engineering, National Taiwan University, Taipei 10617, Taiwan.
| | - Ting-Yu Liu
- Department of Materials Engineering, Ming Chi University of Technology, New Taipei City 24301, Taiwan.
| | - Yu-An Su
- Institute of Polymer Science and Engineering, National Taiwan University, Taipei 10617, Taiwan.
| | - Chien-Hsin Wu
- Institute of Polymer Science and Engineering, National Taiwan University, Taipei 10617, Taiwan.
| | - Yu-Wei Cheng
- Institute of Polymer Science and Engineering, National Taiwan University, Taipei 10617, Taiwan.
| | - Ho-Wen Cheng
- Institute of Atomic and Molecular Sciences, Academia Sinica, Taipei 10617, Taiwan.
| | - Ru-Jong Jeng
- Institute of Polymer Science and Engineering, National Taiwan University, Taipei 10617, Taiwan.
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118
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Lin D, Wu Z, Li S, Zhao W, Ma C, Wang J, Jiang Z, Zhong Z, Zheng Y, Yang X. Large-Area Au-Nanoparticle-Functionalized Si Nanorod Arrays for Spatially Uniform Surface-Enhanced Raman Spectroscopy. ACS NANO 2017; 11:1478-1487. [PMID: 28061026 DOI: 10.1021/acsnano.6b06778] [Citation(s) in RCA: 56] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/21/2023]
Abstract
In this study, large-area hexagonal-packed Si nanorod (SiNR) arrays in conjunction with Au nanoparticles (AuNPs) were fabricated for surface-enhanced Raman spectroscopy (SERS). We have achieved ultrasensitive molecular detection with high reproducibility and spatial uniformity. A finite-difference time-domain simulation suggests that a wide range of three-dimensional electric fields are generated along the surfaces of the SiNR array. With the tuning of the gap and diameter of the SiNRs, the produced long decay length (>130 nm) of the enhanced electric field makes the SERS substrate a zero-gap system for ultrasensitive detection of large biomolecules. In the detection of R6G molecules, our SERS system achieved an enhancement factor of >107 with a relative standard deviation as small as 3.9-7.2% over 30 points across the substrate. More significantly, the SERS substrate yielded ultrasensitive Raman signals on long amyloid-β fibrils at the single-fibril level, which provides promising potentials for ultrasensitive detection of amyloid aggregates that are related to Alzheimer's disease. Our study demonstrates that the SiNRs functionalized with AuNPs may serve as excellent SERS substrates in chemical and biomedical detection.
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Affiliation(s)
- Dongdong Lin
- State Key Laboratory of Surface Physics and Department of Physics, Fudan University , Shanghai 200433, China
| | - Zilong Wu
- Department of Mechanical Engineering, Materials Science and Engineering Program, and Texas Materials Institute, The University of Texas at Austin , Austin, Texas 78712, United States
| | - Shujie Li
- State Key Laboratory of Surface Physics and Department of Physics, Fudan University , Shanghai 200433, China
| | - Wenqi Zhao
- State Key Laboratory of Surface Physics and Department of Physics, Fudan University , Shanghai 200433, China
| | - Chongjun Ma
- State Key Laboratory of Surface Physics and Department of Physics, Fudan University , Shanghai 200433, China
| | - Jie Wang
- State Key Laboratory of Surface Physics and Department of Physics, Fudan University , Shanghai 200433, China
| | - Zuimin Jiang
- State Key Laboratory of Surface Physics and Department of Physics, Fudan University , Shanghai 200433, China
- Collaborative Innovation Center of Advanced Microstructures , Nanjing 210093, China
| | - Zhenyang Zhong
- State Key Laboratory of Surface Physics and Department of Physics, Fudan University , Shanghai 200433, China
- Collaborative Innovation Center of Advanced Microstructures , Nanjing 210093, China
| | - Yuebing Zheng
- Department of Mechanical Engineering, Materials Science and Engineering Program, and Texas Materials Institute, The University of Texas at Austin , Austin, Texas 78712, United States
| | - Xinju Yang
- State Key Laboratory of Surface Physics and Department of Physics, Fudan University , Shanghai 200433, China
- Collaborative Innovation Center of Advanced Microstructures , Nanjing 210093, China
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119
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Sivashanmugan K, Liu PC, Tsai KW, Chou YN, Lin CH, Chang Y, Wen TC. An anti-fouling nanoplasmonic SERS substrate for trapping and releasing a cationic fluorescent tag from human blood solution. NANOSCALE 2017; 9:2865-2874. [PMID: 28169391 DOI: 10.1039/c6nr08077d] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
In bioenvironmental detection, surface-enhanced Raman scattering (SERS) signals are greatly affected by anti-specific biomolecule adsorption, which generates strong background noise, reducing detection sensitivity and selectivity. It is thus necessary to modify the SERS substrate surface to make it anti-fouling to maintain excellent SERS signals. Herein, we propose a zwitterionic copolymer, namely poly(glycidyl methacrylate-co-sulfobetaine methacrylate) (poly(GMA-co-SBMA)), for the surface modification of SERS substrates, which were fabricated and characterized spectroscopically. The copolymer was grafted onto Ag nanocubes (NCs) on an Ag surface with massive nanogaps via 1,2-ethanedithiol, which acted as a metal-insulator-metal (MIM) substrate. The high density of poly(GMA-co-SBMA) grafted near NCs favored the formation of connections between adjacent NCs, causing strong surface plasmon resonance at these junctions. With the zwitterionic-copolymer-modified surface, the adhesion of large biomolecules in platelet-rich plasma (PRP) solution can be effectively resisted, as determined from immunoassay and fibrinogen adsorption results. The SERS signals for malachite green (MG) in PRP solution (10-6 M) were effectively distinguished using the copolymer-grafted MIM substrate. MG was deposited on adjacent copolymer-grafted NCs, which amplified the SERS signals. Moreover, the copolymer connected adjacent NCs, inducing the electromagnetic effect at copolymer-grafted surfaces, which improved the SERS mechanism. The hydration process restructured the MG-trapped copolymer-grafted surface, decreasing the number of MG characteristic peak regions and increasing that of the copolymer regions. These results reveal that grafting a copolymer onto an MIM substrate allows MG to be easily trapped and released in complex biomatrices and increases surface reproducibility due to anti-fouling, leading to high SERS enhancement.
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Affiliation(s)
- Kundan Sivashanmugan
- Department of Chemical Engineering, National Cheng Kung University, Tainan 70101, Taiwan.
| | - Po-Chun Liu
- Department of Chemical Engineering, National Cheng Kung University, Tainan 70101, Taiwan.
| | - Kai-Wei Tsai
- Department of Chemical Engineering, National Cheng Kung University, Tainan 70101, Taiwan.
| | - Ying-Nien Chou
- Department of Chemical Engineering, National Cheng Kung University, Tainan 70101, Taiwan.
| | - Chen-Hsueh Lin
- Department of Chemical Engineering, National Cheng Kung University, Tainan 70101, Taiwan.
| | - Yung Chang
- R&D Center for Membrane Technology and Department of Chemical Engineering, Chung Yuan Christian University, Chung-Li, Taoyuan 320, Taiwan
| | - Ten-Chin Wen
- Department of Chemical Engineering, National Cheng Kung University, Tainan 70101, Taiwan.
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120
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Rippa M, Castagna R, Pannico M, Musto P, Bobeico E, Zhou J, Petti L. Plasmonic Nanocavities-based Aperiodic crystal for Protein-Protein Recognition SERS sensors. ACTA ACUST UNITED AC 2017. [DOI: 10.1515/odps-2017-0007] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
AbstractThe revelation of protein-protein interactions is one of the main preoccupations in the field of proteomics. Nanoplasmonics has emerged as an attractive surface-based technique because of its ability to sense protein binding under physiological conditions in a label-free manner. Here, we present a detailed experimental study of the use of aperiodic photonic nanocavities for plasmonic Surface Enhanced Raman Scattering (SERS) protein detection and recognition. The plasmonic crystal is designed on a 2D Thue-Morse array configuration. The SERS nanosensor is coated with a proper self-assembled monolayer to covalently bind Bovine Serum Albumin that is a well known model to study biological (specifically, protein) systems. The performance of the nanosensor is assessed by recording a new Raman (SERS) peak in the fingerprint region and by a giant enhancement of the SERS signal intensity, both reported and discussed.
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121
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Kurzątkowska K, Santiago T, Hepel M. Plasmonic nanocarrier grid-enhanced Raman sensor for studies of anticancer drug delivery. Biosens Bioelectron 2017; 91:780-787. [PMID: 28142123 DOI: 10.1016/j.bios.2017.01.049] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2016] [Revised: 01/21/2017] [Accepted: 01/23/2017] [Indexed: 11/19/2022]
Abstract
Targeted drug delivery systems using nanoparticle nanocarriers offer remarkable promise for cancer therapy by discriminating against devastating cytotoxicity of chemotherapeutic drugs to healthy cells. To aid in the development of new drug nanocarriers, we propose a novel plasmonic nanocarrier grid-enhanced Raman sensor which can be applied for studies and testing of drug loading onto the nanocarriers, attachment of targeting ligands, dynamics of drug release, assessment of nanocarrier stability in biological environment, and general capabilities of the nanocarrier. The plasmonic nanogrid sensor offers strong Raman enhancement due to the overlapping plasmonic fields emanating from the nearest-neighbor gold nanoparticle nanocarriers and creating the enhancement "hot spots". The sensor has been tested for immobilization of an anticancer drug gemcitabine (2',2'-difluoro-2'-deoxycytidine, GEM) which is used in treatment of pancreatic tumors. The drawbacks of currently applied treatment include high systemic toxicity, rapid drug decay, and low efficacy (ca. 20%). Therefore, the development of a targeted GEM delivery system is highly desired. We have demonstrated that the proposed nanocarrier SERS sensor can be utilized to investigate attachment of targeting ligands to nanocarriers (attachment of folic acid ligand recognized by folate receptors of cancer cells is described). Further testing of the nanocarrier SERS sensor involved drug release induced by lowering pH and increasing GSH levels, both occurring in cancer cells. The proposed sensor can be utilized for a variety of drugs and targeting ligands, including those which are Raman inactive, since the linkers can act as the Raman markers, as illustrated with mercaptobenzoic acid and para-aminothiophenol.
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Affiliation(s)
- Katarzyna Kurzątkowska
- Department of Chemistry, State University of New York at Potsdam, Potsdam, NY 13676, USA
| | - Ty Santiago
- Department of Chemistry, State University of New York at Potsdam, Potsdam, NY 13676, USA
| | - Maria Hepel
- Department of Chemistry, State University of New York at Potsdam, Potsdam, NY 13676, USA.
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122
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Zhang C, Yi P, Peng L, Lai X, Chen J, Huang M, Ni J. Continuous fabrication of nanostructure arrays for flexible surface enhanced Raman scattering substrate. Sci Rep 2017; 7:39814. [PMID: 28051175 PMCID: PMC5209699 DOI: 10.1038/srep39814] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/03/2016] [Accepted: 11/28/2016] [Indexed: 11/09/2022] Open
Abstract
Surface-enhanced Raman spectroscopy (SERS) has been a powerful tool for applications including single molecule detection, analytical chemistry, electrochemistry, medical diagnostics and bio-sensing. Especially, flexible SERS substrates are highly desirable for daily-life applications, such as real-time and in situ Raman detection of chemical and biological targets, which can be used onto irregular surfaces. However, it is still a major challenge to fabricate the flexible SERS substrate on large-area substrates using a facile and cost-effective technique. The roll-to-roll ultraviolet nanoimprint lithography (R2R UV-NIL) technique provides a solution for the continuous fabrication of flexible SERS substrate due to its high-speed, large-area, high-resolution and high-throughput. In this paper, we presented a facile and cost-effective method to fabricate flexible SERS substrate including the fabrication of polymer nanostructure arrays and the metallization of the polymer nanostructure arrays. The polymer nanostructure arrays were obtained by using R2R UV-NIL technique and anodic aluminum oxide (AAO) mold. The functional SERS substrates were then obtained with Au sputtering on the surface of the polymer nanostructure arrays. The obtained SERS substrates exhibit excellent SERS and flexibility performance. This research can provide a beneficial direction for the continuous production of the flexible SERS substrates.
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Affiliation(s)
- Chengpeng Zhang
- State Key Laboratory of Mechanical System and Vibration, Shanghai Jiao Tong University, Shanghai 200240, P.R. China
| | - Peiyun Yi
- State Key Laboratory of Mechanical System and Vibration, Shanghai Jiao Tong University, Shanghai 200240, P.R. China
| | - Linfa Peng
- State Key Laboratory of Mechanical System and Vibration, Shanghai Jiao Tong University, Shanghai 200240, P.R. China
| | - Xinmin Lai
- State Key Laboratory of Mechanical System and Vibration, Shanghai Jiao Tong University, Shanghai 200240, P.R. China
| | - Jie Chen
- Department of Instrument Science and Engineering, Shanghai Jiao Tong University, Shanghai 200240, P.R. China
| | - Meizhen Huang
- Department of Instrument Science and Engineering, Shanghai Jiao Tong University, Shanghai 200240, P.R. China
| | - Jun Ni
- Department of Mechanical Engineering, University of Michigan, Ann Arbor, MI 48109-2125, USA
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123
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Li Y, Yang J, Zhou Y, Zhao N, Zeng W, Wang W. Fabrication of gold nanoparticles/graphene oxide films with surface-enhanced Raman scattering activity by a simple electrostatic self-assembly method. Colloids Surf A Physicochem Eng Asp 2017. [DOI: 10.1016/j.colsurfa.2016.10.028] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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124
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Cysteamine-Assisted Highly Sensitive Detection of Bisphenol A in Water Samples by Surface-Enhanced Raman Spectroscopy with Ag Nanoparticle-Modified Filter Paper as Substrate. FOOD ANAL METHOD 2016. [DOI: 10.1007/s12161-016-0762-5] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
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125
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Lynn NS, Homola J. (Bio)Sensing Using Nanoparticle Arrays: On the Effect of Analyte Transport on Sensitivity. Anal Chem 2016; 88:12145-12151. [DOI: 10.1021/acs.analchem.6b03002] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- N. Scott Lynn
- Institute of Photonics and
Electronics, Academy of Sciences of the Czech Republic, Chaberská
57, Prague 18251, Czech Republic
| | - Jiří Homola
- Institute of Photonics and
Electronics, Academy of Sciences of the Czech Republic, Chaberská
57, Prague 18251, Czech Republic
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126
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Review of surface enhanced Raman spectroscopic (SERS) detection of synthetic chemical pesticides. Trends Analyt Chem 2016. [DOI: 10.1016/j.trac.2016.06.017] [Citation(s) in RCA: 266] [Impact Index Per Article: 33.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
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127
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Mapping for total surface-enhanced Raman scattering to improve its quantification analysis. Talanta 2016; 161:151-156. [DOI: 10.1016/j.talanta.2016.08.049] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2016] [Revised: 08/09/2016] [Accepted: 08/16/2016] [Indexed: 11/18/2022]
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128
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The size effect of silver nanocubes on gap-mode surface enhanced Raman scattering substrate. J Taiwan Inst Chem Eng 2016. [DOI: 10.1016/j.jtice.2016.10.005] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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129
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Lee JH, Lee T, Choi JW. Nano-Biosensor for Monitoring the Neural Differentiation of Stem Cells. NANOMATERIALS 2016; 6:nano6120224. [PMID: 28335352 PMCID: PMC5302715 DOI: 10.3390/nano6120224] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/06/2016] [Revised: 11/07/2016] [Accepted: 11/17/2016] [Indexed: 01/06/2023]
Abstract
In tissue engineering and regenerative medicine, monitoring the status of stem cell differentiation is crucial to verify therapeutic efficacy and optimize treatment procedures. However, traditional methods, such as cell staining and sorting, are labor-intensive and may damage the cells. Therefore, the development of noninvasive methods to monitor the differentiation status in situ is highly desirable and can be of great benefit to stem cell-based therapies. Toward this end, nanotechnology has been applied to develop highly-sensitive biosensors to noninvasively monitor the neural differentiation of stem cells. Herein, this article reviews the development of noninvasive nano-biosensor systems to monitor the neural differentiation of stem cells, mainly focusing on optical (plasmonic) and eletrochemical methods. The findings in this review suggest that novel nano-biosensors capable of monitoring stem cell differentiation are a promising type of technology that can accelerate the development of stem cell therapies, including regenerative medicine.
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Affiliation(s)
- Jin-Ho Lee
- Department of Chemical and Biomolecular Engineering, Sogang University, 35 Baekbeom-ro (Sinsu-dong), Mapo-gu, Seoul 121-742, Korea.
- Institute of Integrated Biotechnology, Sogang University, 35 Baekbeom-ro (Sinsu-dong), Mapo-gu, Seoul 121-742, Korea.
| | - Taek Lee
- Department of Chemical and Biomolecular Engineering, Sogang University, 35 Baekbeom-ro (Sinsu-dong), Mapo-gu, Seoul 121-742, Korea.
- Institute of Integrated Biotechnology, Sogang University, 35 Baekbeom-ro (Sinsu-dong), Mapo-gu, Seoul 121-742, Korea.
| | - Jeong-Woo Choi
- Department of Chemical and Biomolecular Engineering, Sogang University, 35 Baekbeom-ro (Sinsu-dong), Mapo-gu, Seoul 121-742, Korea.
- Institute of Integrated Biotechnology, Sogang University, 35 Baekbeom-ro (Sinsu-dong), Mapo-gu, Seoul 121-742, Korea.
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130
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Uchida T, Yoshikawa T, Tamura M, Iida T, Imura K. Multiple Resonances Induced by Plasmonic Coupling between Gold Nanoparticle Trimers and Hexagonal Assembly of Gold-Coated Polystyrene Microspheres. J Phys Chem Lett 2016; 7:3652-3658. [PMID: 27596630 DOI: 10.1021/acs.jpclett.6b01493] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
Optical properties of a gold nanoparticle trimer assembly coupled with gold-coated hexagonally close-packed polystyrene microspheres were investigated by linear and nonlinear spectroscopy. The observed reflection spectrum shows multiple peaks from the visible to near-infrared spectral regions. The spectroscopic properties were also examined by a finite-difference time-domain simulation. We found that the optical response of plasmons excited in the gold nanoparticle trimers was significantly modulated by strong coupling of the plasmons and the photonic mode induced in the gold-coated polystyrene assembly. Two-photon induced photoluminescence and Raman scattering from the sample were investigated, and both signals were significantly enhanced at the gold nanoparticle assembly. The simulations reveal that the electric fields can be enhanced site-selectively, not only at the interstitial sites in the nanoparticle assembly but also at the gaps between the particle and the gold film due to plasmonic interactions, by tuning the wavelength and are responsible for the strong optical responses.
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Affiliation(s)
- Takako Uchida
- Department of Chemistry and Biochemistry, School of Advanced Science and Engineering, Waseda University , Shinjuku, Tokyo 169-8555, Japan
| | - Takayasu Yoshikawa
- Department of Physical Science, Osaka Prefecture University , Nakaku, Sakai 599-8570, Japan
| | - Mamoru Tamura
- Department of Physical Science, Osaka Prefecture University , Nakaku, Sakai 599-8570, Japan
| | - Takuya Iida
- Department of Physical Science, Osaka Prefecture University , Nakaku, Sakai 599-8570, Japan
| | - Kohei Imura
- Department of Chemistry and Biochemistry, School of Advanced Science and Engineering, Waseda University , Shinjuku, Tokyo 169-8555, Japan
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131
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Areizaga-Martinez HI, Kravchenko I, Lavrik NV, Sepaniak MJ, Hernández-Rivera SP, De Jesús MA. Performance Characteristics of Bio-Inspired Metal Nanostructures as Surface-Enhanced Raman Scattered (SERS) Substrates. APPLIED SPECTROSCOPY 2016; 70:1432-1445. [PMID: 27566257 DOI: 10.1177/0003702816662596] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/26/2015] [Accepted: 12/28/2015] [Indexed: 06/06/2023]
Abstract
The fabrication of high-performance plasmonic nanomaterials for bio-sensing and trace chemical detection is a field of intense theoretical and experimental research. The use of metal-silicon nanopillar arrays as analytical sensors has been reported with reasonable results in recent years. The use of bio-inspired nanocomposite structures that follow the Fibonacci numerical architecture offers the opportunity to develop nanostructures with theoretically higher and more reproducible plasmonic fields over extended areas. The work presented here describes the nanofabrication process for a series of 40 µm × 40 µm bio-inspired arrays classified as asymmetric fractals (sunflower seeds and romanesco broccoli), bilaterally symmetric (acacia leaves and honeycombs), and radially symmetric (such as orchids and lily flowers) using electron beam lithography. In addition, analytical capabilities were evaluated using surface-enhanced Raman scattering (SERS). The substrate characterization and SERS performance of the developed substrates as the strategies to assess the design performance are presented and discussed.
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Affiliation(s)
| | - Ivan Kravchenko
- Center for Nanophase Materials Sciences, Oak Ridge National Laboratory, USA
| | - Nickolay V Lavrik
- Center for Nanophase Materials Sciences, Oak Ridge National Laboratory, USA
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132
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Raman Spectroscopy of cultural heritage Materials: Overview of Applications and New Frontiers in Instrumentation, Sampling Modalities, and Data Processing. Top Curr Chem (Cham) 2016; 374:62. [DOI: 10.1007/s41061-016-0061-z] [Citation(s) in RCA: 40] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2016] [Accepted: 07/30/2016] [Indexed: 12/31/2022]
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133
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Wankar S, Turner NW, Krupadam RJ. Polythiophene nanofilms for sensitive fluorescence detection of viruses in drinking water. Biosens Bioelectron 2016; 82:20-5. [PMID: 27031187 DOI: 10.1016/j.bios.2016.03.020] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2016] [Revised: 03/07/2016] [Accepted: 03/10/2016] [Indexed: 12/13/2022]
Abstract
Molecular imprints of the tobacco necrosis virus (TNV) have been formed within polythiophene nanofilms with an approximate thickness of 200nm. These films have been electrochemically deposited onto conducting Au surfaces. Upon rebinding, the TNV-polythiophene complex changes the fluorescence intensity of the nanofilm. The fluorescence intensity at 410nm was observed to be proportional to the concentration of viruses in the range of 0.1-10ngL(-1) (0.15-15pg) with the lower calculated detection limit of 2.29ngL(-1) (3.4pg). The intensity of the fluorescence emission is not affected by the thickness of the polythiophene film and the nature of TNV specific binding sites. Kinetic data analyses showed that the nanofilm responds to TNV within 2min; and cross-selectivity studies with tobacco mosaic virus (TMV) showed an excellent specificity for the targeted TNV. These binding experiments demonstrate the potential of fluorescence emission for the specific, label free and rapid detection of viruses using nanofilm sensors. Taking into account the lower limit of detection, the fluorescence sensing reported here is reliable, simple to perform, rapid, cost-effective and offers a sensitive analytical method for virus detection in water resources.
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Affiliation(s)
- Shashwati Wankar
- Environmental Impact and Risk Assessment Division, CSIR-National Environmental Engineering Research Institute, Nehru Marg, Nagpur 440020, India
| | - Nicholas W Turner
- Faculty of Science, The Open University, Walton Hall, Milton Keynes, Buckinghamshire MK7 6AA, United Kingdom
| | - Reddithota J Krupadam
- Environmental Impact and Risk Assessment Division, CSIR-National Environmental Engineering Research Institute, Nehru Marg, Nagpur 440020, India.
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134
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Hotspots engineering by grafting Au@Ag core-shell nanoparticles on the Au film over slightly etched nanoparticles substrate for on-site paraquat sensing. Biosens Bioelectron 2016; 86:944-950. [PMID: 27498319 DOI: 10.1016/j.bios.2016.06.082] [Citation(s) in RCA: 28] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2016] [Revised: 06/13/2016] [Accepted: 06/28/2016] [Indexed: 01/26/2023]
Abstract
Paraquat (PQ) pollutions are ultra-toxic to human beings and hard to be decomposed in the environment, thus requiring an on-site detection strategy. Herein, we developed a robust and rapid PQ sensing strategy based on the surface-enhanced Raman scattering (SERS) technique. A hybrid SERS substrate was prepared by grafting the Au@Ag core-shell nanoparticles (NPs) on the Au film over slightly etched nanoparticles (Au FOSEN). Hotspots were engineered at the junctions as indicated by the finite difference time domain calculation. SERS performance of the hybrid substrate was explored using p-ATP as the Raman probe. The hybrid substrate gives higher enhancement factor comparing to either the Au FOSEN substrate or the Au@Ag core-shell NPs, and exhibits excellent reproducibility, homogeneity and stability. The proposed SERS substrates were prepared in batches for the practical PQ sensing. The total analysis time for a single sample, including the pre-treatment and measurement, was less than 5min with a PQ detection limit of 10nM. Peak intensities of the SERS signal were plotted as a function of the PQ concentrations to calibrate the sensitivity by fitting the Hill's equation. The plotted calibration curve showed a good log-log linearity with the coefficient of determination of 0.98. The selectivity of the sensing proposal was based on the "finger print" Raman spectra of the analyte. The proposed substrate exhibited good recovery when it applied to real water samples, including lab tap water, bottled water, and commercially obtained apple juice and grape juice. This SERS-based PQ detection method is simple, rapid, sensitive and selective, which shows great potential in pesticide residue and additives abuse monitoring.
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135
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Tan X, Melkersson J, Wu S, Wang L, Zhang J. Noble-Metal-Free Materials for Surface-Enhanced Raman Spectroscopy Detection. Chemphyschem 2016; 17:2630-9. [DOI: 10.1002/cphc.201600286] [Citation(s) in RCA: 45] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2016] [Indexed: 11/07/2022]
Affiliation(s)
- Xianjun Tan
- Key Laboratory for Advanced Materials and Institute of Fine Chemicals; East China University of Science and Technology; Meilong Road 130 200237 Shanghai China
| | - Jenny Melkersson
- Key Laboratory for Advanced Materials and Institute of Fine Chemicals; East China University of Science and Technology; Meilong Road 130 200237 Shanghai China
| | - Shiqun Wu
- Key Laboratory for Advanced Materials and Institute of Fine Chemicals; East China University of Science and Technology; Meilong Road 130 200237 Shanghai China
| | - Lingzhi Wang
- Key Laboratory for Advanced Materials and Institute of Fine Chemicals; East China University of Science and Technology; Meilong Road 130 200237 Shanghai China
| | - Jinlong Zhang
- Key Laboratory for Advanced Materials and Institute of Fine Chemicals; East China University of Science and Technology; Meilong Road 130 200237 Shanghai China
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136
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Stremersch S, Marro M, Pinchasik BE, Baatsen P, Hendrix A, De Smedt SC, Loza-Alvarez P, Skirtach AG, Raemdonck K, Braeckmans K. Identification of Individual Exosome-Like Vesicles by Surface Enhanced Raman Spectroscopy. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2016; 12:3292-301. [PMID: 27171437 DOI: 10.1002/smll.201600393] [Citation(s) in RCA: 122] [Impact Index Per Article: 15.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/04/2016] [Revised: 03/11/2016] [Indexed: 05/20/2023]
Abstract
Exosome-like vesicles (ELVs) are a novel class of biomarkers that are receiving a lot of attention for the detection of cancer at an early stage. In this study the feasibility of using a surface enhanced Raman spectroscopy (SERS) based method to distinguish between ELVs derived from different cellular origins is evaluated. A gold nanoparticle based shell is deposited on the surface of ELVs derived from cancerous and healthy cells, which enhances the Raman signal while maintaining a colloidal suspension of individual vesicles. This nanocoating allows the recording of SERS spectra from single vesicles. By using partial least squares discriminant analysis on the obtained spectra, vesicles from different origin can be distinguished, even when present in the same mixture. This proof-of-concept study paves the way for noninvasive (cancer) diagnostic tools based on exosomal SERS fingerprinting in combination with multivariate statistical analysis.
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Affiliation(s)
- Stephan Stremersch
- Laboratory of General Biochemistry and Physical Pharmacy, Faculty of Pharmaceutical Sciences, Ghent University, Ottergemsesteenweg 460, 9000, Ghent, Belgium
| | - Monica Marro
- ICFO-Institut de Ciencies Fotoniques, The Barcelona Institute of Science and Technology, Av. Carl Friedrich Gauss 3, 08860, Castelldefels, Barcelona, Spain
| | - Bat-El Pinchasik
- Department of Interfaces, Department of Biomaterials, Max Planck Institute of Colloids and Interfaces, Am Mühlenberg 1 OT Golm, 14476, Potsdam, Germany
| | - Pieter Baatsen
- EM-facility EMoNe, VIB-KULeuven Bio Imaging Core and Center for Human Genetics, KULeuven, Herestraat 49, 3000, Leuven, Belgium
| | - An Hendrix
- Laboratory of Experimental Cancer Research, Department of Radiation Oncology and Experimental Cancer Research, Ghent University Hospital, De Pintelaan 185, 900, Ghent, Belgium
| | - Stefaan C De Smedt
- Laboratory of General Biochemistry and Physical Pharmacy, Faculty of Pharmaceutical Sciences, Ghent University, Ottergemsesteenweg 460, 9000, Ghent, Belgium
| | - Pablo Loza-Alvarez
- ICFO-Institut de Ciencies Fotoniques, The Barcelona Institute of Science and Technology, Av. Carl Friedrich Gauss 3, 08860, Castelldefels, Barcelona, Spain
| | - Andre G Skirtach
- Department of Interfaces, Department of Biomaterials, Max Planck Institute of Colloids and Interfaces, Am Mühlenberg 1 OT Golm, 14476, Potsdam, Germany
- Department of Molecular Biotechnology, Ghent University, Coupure Links 653, 9000, Ghent, Belgium
- Centre for Nano- and Biophotonics, Ghent University, 9000, Ghent, Belgium
| | - Koen Raemdonck
- Laboratory of General Biochemistry and Physical Pharmacy, Faculty of Pharmaceutical Sciences, Ghent University, Ottergemsesteenweg 460, 9000, Ghent, Belgium
| | - Kevin Braeckmans
- Centre for Nano- and Biophotonics, Ghent University, 9000, Ghent, Belgium
- Department of Pharmaceutics, Faculty of Pharmaceutical Sciences, Ghent University, Ottergemsesteenweg 460, 9000, Ghent, Belgium
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137
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Sui C, Wang K, Wang S, Ren J, Bai X, Bai J. SERS activity with tenfold detection limit optimization on a type of nanoporous AAO-based complex multilayer substrate. NANOSCALE 2016; 8:5920-5927. [PMID: 26911325 DOI: 10.1039/c5nr06771e] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
Abstract
Most of SERS applications are constricted by heterogeneous hotspots and aggregates of nanostructure, which result in low sensitivity and poor reproducibility of characteristic signals. This work intends to introduce SERS properties of a type of SERS-active substrate, Au-CuCl2-AAO, which is innovatively developed on a porous anodic alumina oxide (AAO) template. Spectral measuring results of Rhodamine 6G (R6G) on this substrate optimized by controlling morphology and gold thickness showed that enhancement factor (2.30 × 10(7)) and detection limit (10(-10) M) were both improved and represented better performance than its template AAO. Homogenous hot spots across the region of interest were achieved by scanning SERS intensity distribution for the band at 1505 cm(-1) in 5 × 5 μm(2) area. Furthermore, the promising SERS activity of the flower-patterned substrate was theoretically explained through simulation of the electromagnetic field distribution. In addition, this SERS substrate is proposed for applications within the field of chemical and biochemical analyses.
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Affiliation(s)
- Chaofan Sui
- National Key Laboratory Base of Photoelectric Technology & Functional Materials Co-Sponsored by Province and Ministry, Institute of Photonics & Photon-Technology, Northwest University, Xi'an, 710069, China.
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138
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A rapid method to authenticate vegetable oils through surface-enhanced Raman scattering. Sci Rep 2016; 6:23405. [PMID: 26987802 PMCID: PMC4796845 DOI: 10.1038/srep23405] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2015] [Accepted: 02/29/2016] [Indexed: 01/18/2023] Open
Abstract
Vegetable oils are essential in our daily diet. Among various vegetable oils, the major difference lies in the composition of fatty acids, including unsaturated fatty acids (USFA) and saturated fatty acids (SFA). USFA include oleic acid (OA), linoleic acid (LA), and α-linolenic acid (ALA), while SFA are mainly palmitic acid (PA). In this study, the most typical and abundant USFA present with PA in vegetable oils were quantified. More importantly, certain proportional relationships between the integrated intensities of peaks centered at 1656 cm−1 (S1656) in the surface-enhanced Raman scattering spectra of different USFA were confirmed. Therefore, the LA or ALA content could be converted into an equivalent virtual OA content enabling the characterization of the USFA content in vegetable oils using the equivalent total OA content. In combination with the S1656 of pure OA and using peanut, sesame, and soybean oils as examples, the ranges of S1656 corresponding to the National Standards of China were established to allow the rapid authentication of vegetable oils. Gas chromatograph-mass spectrometer analyses verified the accuracy of the method, with relative errors of less than 5%. Moreover, this method can be extended to other detection fields, such as diseases.
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139
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Shin K, Cho JH, Yoon MY, Chung H. Use of Multiple Peptide-Based SERS Probes Binding to Different Epitopes on a Protein Biomarker To Improve Detection Sensitivity. Anal Chem 2016; 88:3465-70. [DOI: 10.1021/acs.analchem.5b04873] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
Affiliation(s)
- Kayeong Shin
- Department of Chemistry and
Research Institute for Natural Sciences, College of Natural Sciences, Hanyang University, Seoul, 133-791, Korea
| | - Jun-Haeng Cho
- Department of Chemistry and
Research Institute for Natural Sciences, College of Natural Sciences, Hanyang University, Seoul, 133-791, Korea
| | - Moon-Young Yoon
- Department of Chemistry and
Research Institute for Natural Sciences, College of Natural Sciences, Hanyang University, Seoul, 133-791, Korea
| | - Hoeil Chung
- Department of Chemistry and
Research Institute for Natural Sciences, College of Natural Sciences, Hanyang University, Seoul, 133-791, Korea
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140
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Wang CG, Wu XZ, Di D, Dong PT, Xiao R, Wang SQ. Orientation-dependent nanostructure arrays based on anisotropic silicon wet-etching for repeatable surface-enhanced Raman scattering. NANOSCALE 2016; 8:4672-4680. [PMID: 26853057 DOI: 10.1039/c5nr04750a] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
Abstract
Repeatable fabrication of sensitive plasmonic substrates through a simple procedure has become a major challenge for SERS-based sensing and imaging. Herein, a new class of high-performance SERS substrates, including pyramid, ridged-hexagon, and quasi-triangle nanostructures, is successfully fabricated based on the nanosphere lithography technique and anisotropic wet etching. Using the wafer-scale Cr-hole array as the etching mask, cavity-templates of various configurations are fabricated by the orientation-dependent wet etching technique, from where the nanostructure arrays are finally peeled-off. The anisotropic wet etching on (100), (110), and (111) silicon wafers has been systematically studied at the nanoscale revealing the formation mechanism of these cavity-templates. The peeled-off nanostructure arrays provide high-density tips and/or gaps (about 2.5 × 10(7) mm(-2)) and thus facilitate the generation of "hot spots". The distribution of the electromagnetic field is visualized by the finite difference time domain calculation. And the calculation results are validated by SERS characterization. The SERS enhancement factors of these substrates are in the order of 10(6)-10(7), with the maximum enhancement factor of 1.32 × 10(7) yielded by the ridged-hexagon arrays. The proposed nanostructure arrays present excellent homogeneity and reproducibility (with the largest relative standard deviation of 16.43%) for the reason that the SERS-active substrates are peeled-off from an identical template. The cost-effective fabrication, high sensitivity, good homogeneity and well-performed reproducibility demonstrate that these orientation-dependent NSs are good candidates for SERS-based in vitro and in situ detection and biosensing.
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Affiliation(s)
- C G Wang
- College of Mechatronics Engineering and Automation, National University of Defense Technology, Changsha, Hunan Province 410073, P. R. China. and Key Laboratory of New Molecular Diagnosis Technologies for Infectious Diseases, Institute of Radiation Medicine, Academy of Military Medical Sciences, Beijing 100850, P. R. China.
| | - X Z Wu
- College of Mechatronics Engineering and Automation, National University of Defense Technology, Changsha, Hunan Province 410073, P. R. China.
| | - D Di
- College of Mechatronics Engineering and Automation, National University of Defense Technology, Changsha, Hunan Province 410073, P. R. China. and Dingyuan Automotive Proving Ground, Nanjing, Jiangsu Province 210028, P.R. China
| | - P T Dong
- College of Mechatronics Engineering and Automation, National University of Defense Technology, Changsha, Hunan Province 410073, P. R. China.
| | - R Xiao
- Key Laboratory of New Molecular Diagnosis Technologies for Infectious Diseases, Institute of Radiation Medicine, Academy of Military Medical Sciences, Beijing 100850, P. R. China.
| | - S Q Wang
- Key Laboratory of New Molecular Diagnosis Technologies for Infectious Diseases, Institute of Radiation Medicine, Academy of Military Medical Sciences, Beijing 100850, P. R. China.
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141
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Ariga K, Li J, Fei J, Ji Q, Hill JP. Nanoarchitectonics for Dynamic Functional Materials from Atomic-/Molecular-Level Manipulation to Macroscopic Action. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2016; 28:1251-86. [PMID: 26436552 DOI: 10.1002/adma.201502545] [Citation(s) in RCA: 291] [Impact Index Per Article: 36.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/27/2015] [Revised: 07/27/2015] [Indexed: 05/21/2023]
Abstract
Objects in all dimensions are subject to translational dynamism and dynamic mutual interactions, and the ability to exert control over these events is one of the keys to the synthesis of functional materials. For the development of materials with truly dynamic functionalities, a paradigm shift from "nanotechnology" to "nanoarchitectonics" is proposed, with the aim of design and preparation of functional materials through dynamic harmonization of atomic-/molecular-level manipulation and control, chemical nanofabrication, self-organization, and field-controlled organization. Here, various examples of dynamic functional materials are presented from the atom/molecular-level to macroscopic dimensions. These systems, including atomic switches, molecular machines, molecular shuttles, motional crystals, metal-organic frameworks, layered assemblies, gels, supramolecular assemblies of biomaterials, DNA origami, hollow silica capsules, and mesoporous materials, are described according to their various dynamic functions, which include short-term plasticity, long-term potentiation, molecular manipulation, switchable catalysis, self-healing properties, supramolecular chirality, morphological control, drug storage and release, light-harvesting, mechanochemical transduction, molecular tuning molecular recognition, hand-operated nanotechnology.
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Affiliation(s)
- Katsuhiko Ariga
- World Premier International (WPI) Research Center for Materials Nanoarchitectonics (MANA), National Institute for Materials Science (NIMS), 1-1 Namiki, Tsukuba, 305-0044, Japan
| | - Junbai Li
- Beijing National Laboratory for Molecular Science, CAS Key Lab of Colloid, Interface and Chemical Thermodynamics, Institute of Chemistry, Chinese Academy of Science, Beijing, 100190, P. R. China
| | - Jinbo Fei
- Beijing National Laboratory for Molecular Science, CAS Key Lab of Colloid, Interface and Chemical Thermodynamics, Institute of Chemistry, Chinese Academy of Science, Beijing, 100190, P. R. China
| | - Qingmin Ji
- World Premier International (WPI) Research Center for Materials Nanoarchitectonics (MANA), National Institute for Materials Science (NIMS), 1-1 Namiki, Tsukuba, 305-0044, Japan
| | - Jonathan P Hill
- World Premier International (WPI) Research Center for Materials Nanoarchitectonics (MANA), National Institute for Materials Science (NIMS), 1-1 Namiki, Tsukuba, 305-0044, Japan
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142
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Lin D, Huang H, Qiu S, Feng S, Chen G, Chen R. Diagnostic potential of polarized surface enhanced Raman spectroscopy technology for colorectal cancer detection. OPTICS EXPRESS 2016; 24:2222-34. [PMID: 26906798 DOI: 10.1364/oe.24.002222] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/02/2023]
Abstract
The purpose of this study was to develop a more powerful blood analysis method based on polarized surface enhanced Raman spectroscopy (SERS) technology for non-invasive and sensitive colorectal cancer (CRC) detection. The efficiency of different polarized scattering signals (non-polarization, parallel polarization and perpendicular polarization) on blood serum SERS was explored for the first time. Results demonstrated that polarized SERS was more sensitive to explore distinctive spectral differences between cancer and normal groups. And higher diagnostic accuracy of 91.6% could be achieved using polarized SERS integrated with PCA-LDA for classification of the two serum groups in comparison to conventional SERS technology. This exploratory study demonstrated that the nanobiosensor based on polarized SERS technique in conjunction with PCA-LDA provided a novel strategy for blood SERS analysis, and had the potential as a clinical complement for CRC screening.
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143
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Zhan L, Zhen SJ, Wan XY, Gao PF, Huang CZ. A sensitive surface-enhanced Raman scattering enzyme-catalyzed immunoassay of respiratory syncytial virus. Talanta 2016; 148:308-12. [DOI: 10.1016/j.talanta.2015.10.081] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2015] [Revised: 10/20/2015] [Accepted: 10/26/2015] [Indexed: 12/11/2022]
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144
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Powell JA, Venkatakrishnan K, Tan B. Programmable SERS active substrates for chemical and biosensing applications using amorphous/crystalline hybrid silicon nanomaterial. Sci Rep 2016; 6:19663. [PMID: 26785682 PMCID: PMC4726233 DOI: 10.1038/srep19663] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2015] [Accepted: 12/14/2015] [Indexed: 11/09/2022] Open
Abstract
We present the creation of a unique nanostructured amorphous/crystalline hybrid silicon material that exhibits surface enhanced Raman scattering (SERS) activity. This nanomaterial is an interconnected network of amorphous/crystalline nanospheroids which form a nanoweb structure; to our knowledge this material has not been previously observed nor has it been applied for use as a SERS sensing material. This material is formed using a femtosecond synthesis technique which facilitates a laser plume ion condensation formation mechanism. By fine-tuning the laser plume temperature and ion interaction mechanisms within the plume, we are able to precisely program the relative proportion of crystalline Si to amorphous Si content in the nanospheroids as well as the size distribution of individual nanospheroids and the size of Raman hotspot nanogaps. With the use of Rhodamine 6G (R6G) and Crystal Violet (CV) chemical dyes, we have been able to observe a maximum enhancement factor of 5.38 × 106 and 3.72 × 106 respectively, for the hybrid nanomaterial compared to a bulk Si wafer substrate. With the creation of a silicon-based nanomaterial capable of SERS detection of analytes, this work demonstrates a redefinition of the role of nanostructured Si from an inactive to SERS active role in nano-Raman sensing applications.
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Affiliation(s)
- Jeffery Alexander Powell
- Ultrashort laser nanomanufacturing research facility, Department of Mechanical and Industrial Engineering, Ryerson University, 350 Victoria Street, Toronto, ON, M5B 2K3, Canada
| | - Krishnan Venkatakrishnan
- Ultrashort laser nanomanufacturing research facility, Department of Mechanical and Industrial Engineering, Ryerson University, 350 Victoria Street, Toronto, ON, M5B 2K3, Canada
| | - Bo Tan
- Nano-imaging lab, Department of Aerospace Engineering, Ryerson University, 350 Victoria Street, Toronto, ON, M5B 2K3, Canada
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145
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Chao J, Cao W, Su S, Weng L, Song S, Fan C, Wang L. Nanostructure-based surface-enhanced Raman scattering biosensors for nucleic acids and proteins. J Mater Chem B 2016; 4:1757-1769. [PMID: 32263053 DOI: 10.1039/c5tb02135a] [Citation(s) in RCA: 70] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Abstract
Detection of nucleic acid and protein targets related to human health and safety has attracted widespread attention. Surface-enhanced Raman scattering (SERS) is a powerful tool for biomarker detection because of its ultrahigh detection sensitivity and unique fingerprinting spectra. In this review, we first introduce the development of nanostructure-based SERS-active substrates and SERS nanotags, which greatly influence the performance of SERS biosensors. We then focus on recent advances in SERS biosensors for DNA, microRNA and protein determination, including label-free, labeled and multiplex analyses as well as in vivo imaging. Finally, the prospects and challenges of such nanostructure-based SERS biosensors are discussed.
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Affiliation(s)
- Jie Chao
- Key Laboratory for Organic Electronics and Information Displays & Institute of Advanced Materials (IAM), Jiangsu National Synergetic Innovation Center for Advanced Materials (SICAM), Nanjing University of Posts & Telecommunications, 9 Wenyuan Road, Nanjing 210023, China.
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146
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Kuchmizhak A, Gurbatov S, Vitrik O, Kulchin Y, Milichko V, Makarov S, Kudryashov S. Ion-beam assisted laser fabrication of sensing plasmonic nanostructures. Sci Rep 2016; 6:19410. [PMID: 26776569 PMCID: PMC4726055 DOI: 10.1038/srep19410] [Citation(s) in RCA: 37] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2015] [Accepted: 12/10/2015] [Indexed: 11/28/2022] Open
Abstract
Simple high-performance, two-stage hybrid technique was developed for fabrication of different plasmonic nanostructures, including nanorods, nanorings, as well as more complex structures on glass substrates. In this technique, a thin noble-metal film on a dielectric substrate is irradiated by a single tightly focused nanosecond laser pulse and then the modified region is slowly polished by an accelerated argon ion (Ar+) beam. As a result, each nanosecond laser pulse locally modifies the initial metal film through initiation of fast melting and subsequent hydrodynamic processes, while the following Ar+-ion polishing removes the rest of the film, revealing the hidden topography features and fabricating separate plasmonic structures on the glass substrate. We demonstrate that the shape and lateral size of the resulting functional plasmonic nanostructures depend on the laser pulse energy and metal film thickness, while subsequent Ar+-ion polishing enables to vary height of the resulting nanostructures. Plasmonic properties of the fabricated nanostructures were characterized by dark-field micro-spectroscopy, Raman and photoluminescence measurements performed on single nanofeatures, as well as by supporting numerical calculations of the related electromagnetic near-fields and Purcell factors. The developed simple two-stage technique represents a new step towards direct large-scale laser-induced fabrication of highly ordered arrays of complex plasmonic nanostructures.
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Affiliation(s)
- Aleksandr Kuchmizhak
- School of Natural Sciences, Far Eastern Federal University, 8 Sukhanova str., Vladivostok 690041, Russia.,Institute of Automation and Control Processes, Far Eastern Branch, Russian Academy of Science, 5 Radio str., Vladivostok 690041, Russia
| | - Stanislav Gurbatov
- School of Natural Sciences, Far Eastern Federal University, 8 Sukhanova str., Vladivostok 690041, Russia.,Institute of Automation and Control Processes, Far Eastern Branch, Russian Academy of Science, 5 Radio str., Vladivostok 690041, Russia
| | - Oleg Vitrik
- School of Natural Sciences, Far Eastern Federal University, 8 Sukhanova str., Vladivostok 690041, Russia.,Institute of Automation and Control Processes, Far Eastern Branch, Russian Academy of Science, 5 Radio str., Vladivostok 690041, Russia
| | - Yuri Kulchin
- Institute of Automation and Control Processes, Far Eastern Branch, Russian Academy of Science, 5 Radio str., Vladivostok 690041, Russia
| | | | | | - Sergey Kudryashov
- ITMO University, St. Petersburg 197101, Russia.,Lebedev Physical Institute, Russian Academy of Science, Moscow 119991, Russia
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147
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Kayran YU, Eßmann V, Grützke S, Schuhmann W. Selection of Highly SERS-Active Nanostructures from a Size Gradient of Au Nanovoids on a Single Bipolar Electrode. ChemElectroChem 2015. [DOI: 10.1002/celc.201500423] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Yasin U. Kayran
- Analytical Chemistry-Center for Electrochemical Sciences (CES); Ruhr-Universität Bochum; Universitätsstr. 150 44780 Bochum Germany
| | - Vera Eßmann
- Analytical Chemistry-Center for Electrochemical Sciences (CES); Ruhr-Universität Bochum; Universitätsstr. 150 44780 Bochum Germany
| | - Stefanie Grützke
- Analytical Chemistry-Center for Electrochemical Sciences (CES); Ruhr-Universität Bochum; Universitätsstr. 150 44780 Bochum Germany
| | - Wolfgang Schuhmann
- Analytical Chemistry-Center for Electrochemical Sciences (CES); Ruhr-Universität Bochum; Universitätsstr. 150 44780 Bochum Germany
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148
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Feasibility of asymmetrical flow field-flow fractionation as a method for detecting protective antigen by direct recognition of size-increased target-captured nanoprobes. J Chromatogr A 2015; 1422:239-246. [DOI: 10.1016/j.chroma.2015.09.089] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2015] [Revised: 09/27/2015] [Accepted: 09/28/2015] [Indexed: 01/05/2023]
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149
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Sivashanmugan K, Liao JD, Shao PL, Liu BH, Tseng TY, Chang CY. Intense Raman scattering on hybrid Au/Ag nanoplatforms for the distinction of MMP-9-digested collagen type-I fiber detection. Biosens Bioelectron 2015; 72:61-70. [PMID: 25957832 DOI: 10.1016/j.bios.2015.04.091] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2015] [Revised: 03/28/2015] [Accepted: 04/27/2015] [Indexed: 11/19/2022]
Abstract
Well-ordered Au-nanorod arrays were fabricated using the focused ion beam method (denoted as fibAu_NR). Au or Ag nanoclusters (NCs) of various sizes and dimensions were then deposited on the fibAu_NR arrays using electron beam deposition to improve the surface-enhanced Raman scattering (SERS) effect, which was verified using a low concentration of crystal violet (10(-)(5)M) as the probe molecule. An enhancement factor of 6.92 × 10(8) was obtained for NCsfibAu_NR, which is attributed to the combination of intra-NC and NR localized surface plasmon resonance. When 4-aminobenzenethiol (4-ABT)-coated Au or Ag nanoparticles (NPs) were attached to NCsfibAu_NR, the small gaps between 4-ABT-coated NPs and intra-NCs allowed detection at the single-molecule level. Hotspots formed at the interfaces of NCs/NRs and NPs/NCs at a high density, producing a strong local electromagnetic effect. Raman spectra from as-prepared type I collagen (Col-I) and Ag-NP-coated Col-I fibers on NCsfibAu_NR were compared to determine the quantity of amino acids in their triple helix structure. Various concentrations of matrix-metalloproteinase-9-digested Col-I fibers on NCsfibAu_NR were qualitatively examined at a Raman laser wavelength of 785nm to determine the changes of amino acids in the Col-I fiber structure. The results can be used to monitor the growth of healing Col-I fibers in a micro-environment.
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Affiliation(s)
- Kundan Sivashanmugan
- Department of Materials Science and Engineering, National Cheng Kung University, 1 University Road, Tainan 70101, Taiwan
| | - Jiunn-Der Liao
- Department of Materials Science and Engineering, National Cheng Kung University, 1 University Road, Tainan 70101, Taiwan; Center for Micro/Nano Science and Technology, National Cheng Kung University, 1 University Road, Tainan 70101, Taiwan.
| | - Pei-Lin Shao
- Department of Materials Science and Engineering, National Cheng Kung University, 1 University Road, Tainan 70101, Taiwan
| | - Bernard Haochih Liu
- Department of Materials Science and Engineering, National Cheng Kung University, 1 University Road, Tainan 70101, Taiwan
| | - Te-Yu Tseng
- Department of Materials Science and Engineering, National Cheng Kung University, 1 University Road, Tainan 70101, Taiwan
| | - Chih-Yu Chang
- Department of Materials Science and Engineering, National Cheng Kung University, 1 University Road, Tainan 70101, Taiwan
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150
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Vizsnyiczai G, Lestyán T, Joniova J, Aekbote BL, Strejčková A, Ormos P, Miskovsky P, Kelemen L, Bánó G. Optically Trapped Surface-Enhanced Raman Probes Prepared by Silver Photoreduction to 3D Microstructures. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2015; 31:10087-93. [PMID: 26292094 DOI: 10.1021/acs.langmuir.5b01210] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/24/2023]
Abstract
3D microstructures partially covered by silver nanoparticles have been developed and tested for surface-enhanced Raman spectroscopy (SERS) in combination with optical tweezers. The microstructures made by two-photon polymerization of SU-8 photoresist were manipulated in a dual beam optical trap. The active area of the structures was covered by a SERS-active silver layer using chemically assisted photoreduction from silver nitrate solutions. Silver layers of different grain size distributions were created by changing the photoreduction parameters and characterized by scanning electron microscopy. The structures were tested by measuring the SERS spectra of emodin and hypericin.
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Affiliation(s)
- Gaszton Vizsnyiczai
- Biological Research Centre, Institute of Biophysics, Hungarian Academy of Sciences , Temesvári krt. 62, Szeged, Hungary
| | - Tamás Lestyán
- Biological Research Centre, Institute of Biophysics, Hungarian Academy of Sciences , Temesvári krt. 62, Szeged, Hungary
| | | | - Badri L Aekbote
- Biological Research Centre, Institute of Biophysics, Hungarian Academy of Sciences , Temesvári krt. 62, Szeged, Hungary
| | - Alena Strejčková
- Department of Chemistry, Biochemistry and Biophysics, Institute of Biophysics, University of Veterinary Medicine and Pharmacy , Komenského 73, 04181 Košice, Slovakia
| | - Pál Ormos
- Biological Research Centre, Institute of Biophysics, Hungarian Academy of Sciences , Temesvári krt. 62, Szeged, Hungary
| | | | - Lóránd Kelemen
- Biological Research Centre, Institute of Biophysics, Hungarian Academy of Sciences , Temesvári krt. 62, Szeged, Hungary
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