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Parmigiani M, Schifano V, Taglietti A, Galinetto P, Albini B. Increasing gold nanostars SERS response with silver shells: a surface-based seed-growth approach. NANOTECHNOLOGY 2024; 35:195603. [PMID: 38306966 DOI: 10.1088/1361-6528/ad25c9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/29/2023] [Accepted: 02/02/2024] [Indexed: 02/04/2024]
Abstract
A straightforward method to prepare surface enhanced Raman spectroscopy (SERS) chips containing a monolayer of silver coated gold nanostars (GNS@Ag) grafted on a glass surface is introduced. The synthetic approach is based on a seed growth method performed directly on surface, using GNS as seeds, and involving a green pathway, which only uses silver nitate, ascorbic acid and water, to grow the silver shell. The preparation was optimized to maximize signals obtaining a SERS response of one order of magnitude greater than that from the original GNS based chips, offering in the meantime good homogeneity and acceptable reproducibility. The proposed GNS@Ag SERS chips are able to detect pesticide thiram down to 20 ppb.
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Affiliation(s)
- Miriam Parmigiani
- Dipartimento di Chimica, Sezione di Chimica Generale, Università di Pavia, viale Taramelli, 12-I-27100 Pavia-Italy
| | - Veronica Schifano
- Dipartimento di Chimica, Sezione di Chimica Generale, Università di Pavia, viale Taramelli, 12-I-27100 Pavia-Italy
| | - Angelo Taglietti
- Dipartimento di Chimica, Sezione di Chimica Generale, Università di Pavia, viale Taramelli, 12-I-27100 Pavia-Italy
| | - Pietro Galinetto
- Dipartimento di Fisica, Università di Pavia, Via Bassi 6,-I-27100 Pavia-Italy
| | - Benedetta Albini
- Dipartimento di Fisica, Università di Pavia, Via Bassi 6,-I-27100 Pavia-Italy
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2
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Lai H, Li G, Zhang Z. Au@Ag nanodome-cones array substrate for efficient residue analysis of food samples by surface-enhanced Raman scattering. Anal Chim Acta 2023; 1259:341159. [PMID: 37100472 DOI: 10.1016/j.aca.2023.341159] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2022] [Revised: 03/18/2023] [Accepted: 03/29/2023] [Indexed: 04/03/2023]
Abstract
A bioinspired Au@Ag nanodome-cones array (Au@Ag NDCA) surface-enhanced Raman scattering (SERS) chip was developed for efficient residue analyses of food samples. The cicada wing inspired Au@Ag NDCA chip was fabricated by a bottom-up method, Au nanocones array was firstly grown onto nickel foil by displacement reaction and cetyltrimethylammonium bromide guidance growth, and then silver shell with controllable thickness was coated onto the Au nanocones array by magnetron sputtering. The Au@Ag NDCA chip exhibited good SERS performances with high enhancement factor of 1.2 × 108, good uniformity with relative standard deviation (RSD) less than 7.5% (n = 25), good inter-batch reproducibility with RSD less than 9.4% (n = 9), and long-term stability over 9 weeks. By adapting a minimized sample preparation, Au@Ag NDCA chip combined with a 96-well plate could realize high-throughput SERS analyses of 96 samples with average analysis time less than 10 min. The substrate was applied for quantitative analyses of two food projects. One was 6-benzylaminopurine auxin residue in sprout samples with detection limit of 38.8 μg/L, recoveries of 93.3-105.4% and RSDs of 1.5-6.5%, and the other was an edible spice of 4-amino-5,6-dimethylthieno (2,3-d) pyrimidin-2(1H)-one hydrochloride additive in beverage samples with detection limit of 18.0 μg/L, recoveries of 96.2-106.6% and RSDs of 3.5-7.9%. All the SERS results were well confirmed by conventional high-performance liquid chromatographic methods with relative errors less than 9.7%. The robust Au@Ag NDCA chip exhibited good analytical performances possessed great potential for convenient and reliable analyses of food quality and safety.
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3
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High-throughput synthesis of silver nanoplates and optimization of optical properties by machine learning. Chem Eng Sci 2022. [DOI: 10.1016/j.ces.2022.118009] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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4
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Parmigiani M, Albini B, Pellegrini G, Genovesi M, De Vita L, Pallavicini P, Dacarro G, Galinetto P, Taglietti A. Surface-Enhanced Raman Spectroscopy Chips Based on Silver Coated Gold Nanostars. NANOMATERIALS (BASEL, SWITZERLAND) 2022; 12:nano12203609. [PMID: 36296798 PMCID: PMC9609606 DOI: 10.3390/nano12203609] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/14/2022] [Revised: 10/10/2022] [Accepted: 10/12/2022] [Indexed: 06/12/2023]
Abstract
Surface-enhanced Raman scattering (SERS) is becoming widely used as an analytical tool, and the search for stable and highly responsive SERS substrates able to give ultralow detection of pollutants is a current challenge. In this paper we boosted the SERS response of Gold nanostars (GNS) demonstrating that their coating with a layer of silver having a proper thickness produces a 7-fold increase in SERS signals. Glass supported monolayers of these GNS@Ag were then prepared using simple alcoxyliane chemistry, yielding efficient and reproducible SERS chips, which were tested for the detection of molecules representative of different classes of pollutants. Among them, norfloxacin was detected down to 3 ppb, which is one of the lowest limits of detection obtained with this technique for the analyte.
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Affiliation(s)
- Miriam Parmigiani
- Department of Chemistry, University of Pavia, Viale Taramelli 12, 27100 Pavia, Italy
| | - Benedetta Albini
- Department of Physics, University of Pavia, Via Bassi 6, 27100 Pavia, Italy
| | | | - Marco Genovesi
- Department of Chemistry, University of Pavia, Viale Taramelli 12, 27100 Pavia, Italy
| | - Lorenzo De Vita
- Department of Chemistry, University of Pavia, Viale Taramelli 12, 27100 Pavia, Italy
| | | | - Giacomo Dacarro
- Department of Chemistry, University of Pavia, Viale Taramelli 12, 27100 Pavia, Italy
| | - Pietro Galinetto
- Department of Physics, University of Pavia, Via Bassi 6, 27100 Pavia, Italy
| | - Angelo Taglietti
- Department of Chemistry, University of Pavia, Viale Taramelli 12, 27100 Pavia, Italy
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5
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In Situ Collection and Rapid Detection of Pathogenic Bacteria Using a Flexible SERS Platform Combined with a Portable Raman Spectrometer. Int J Mol Sci 2022; 23:ijms23137340. [PMID: 35806345 PMCID: PMC9267095 DOI: 10.3390/ijms23137340] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2022] [Revised: 06/25/2022] [Accepted: 06/27/2022] [Indexed: 11/16/2022] Open
Abstract
This study aims to develop a simple, sensitive, low-cost, environmentally friendly and flexible surface-enhanced Raman scattering (SERS) platform, combined with a portable Raman spectrometer, for the rapid and on-site SERS detection of bacteria. Commercial tobacco packaging paper (TPP) with little background interference was used as a loading medium that effectively adsorbed Au nanoparticles and provided sufficient “hot spots”. This Au-tobacco packaging paper (Au-TPP) substrate used as a flexible SERS platform can maximize sample collection by wiping irregular surfaces, and was successfully applied to the on-site and rapid detection of pathogenic bacteria. Raman fingerprints of pathogenic bacteria can be obtained by SERS detection of spiked pork using wipeable Au-TPP, which verifies its value in practical applications. The results collected by SERS were further verified by polymerase chain reaction (PCR) results. It showed several advantages in on-site SERS detection, including accurate discrimination, simple preparation, easy operation, good sensitivity, accuracy and reproducibility. This study indicates that the established flexible SERS platform has good practical applications in pathogenic bacterial identification and other rapid detections.
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Yan S, Li Y, Peng Y, Ma S, Han D. Detection of nitrofurans residues in honey using surface-enhanced Raman spectroscopy. J Food Sci 2022; 87:3318-3328. [PMID: 35676764 DOI: 10.1111/1750-3841.16198] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2021] [Revised: 02/26/2022] [Accepted: 04/11/2022] [Indexed: 12/11/2022]
Abstract
Residues of veterinary antibiotics in honey may be damaging to human health. Surface-enhanced Raman scattering spectroscopy (SERS) is an emerging technology widely applied in food safety. SERS has advantages of enabling fingerprint identification and fast detection, as well as does not require complex pretreatment. Considering the overuse of nitrofurans in honeybee breeding, SERS combined with spectral preprocessing was used to detect nitrofurantoin in honey. By using standardized experimental procedures and improved spectral correction methods, the lowest detection limit of nitrofurantoin was 0.1321 mg/kg. A good linear relationship in the partial least squares regression model was found among spiked samples, which allowed prediction of nitrofurantoin content in honey sample ( R C 2 $R_C^2$ = 0.9744; R P 2 $R_P^2$ = 0.976; RMSECV = 1.0353 mg/kg; RMSEP = 0.9987 mg/kg). Collectively, these results reliably demonstrated that quantification is more accurate when spectral preprocessing is better controlled. Therefore, this study indicates that SERS could be further implemented in fast and onsite detection of nitrofurantoin in honey for improved food safety. PRACTICAL APPLICATION: This article presents a novel SERS-based method for the rapid detection of nitrofurantoin residues in honey. The original spectra were corrected by multiple linear regression based on the fitting baseline. This study aims to develop a rapid onsite detection method for toxic hazardous substance residues in food.
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Affiliation(s)
- Shuai Yan
- College of Engineering, China Agricultural University, Beijing, P. R. China
| | - Yongyu Li
- College of Engineering, China Agricultural University, Beijing, P. R. China
| | - Yankun Peng
- College of Engineering, China Agricultural University, Beijing, P. R. China
| | - Shaojin Ma
- College of Engineering, China Agricultural University, Beijing, P. R. China
| | - Donghai Han
- College of Food science and Nutrition Engineering, China Agricultural University, Beijing, P. R. China
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7
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Nguyen MC, Ngan Luong TQ, Vu TT, Anh CT, Dao TC. Synthesis of wool roll-like silver nanoflowers in an ethanol/water mixture and their application to detect traces of the fungicide carbendazim by SERS technique. RSC Adv 2022; 12:11583-11590. [PMID: 35425087 PMCID: PMC9006241 DOI: 10.1039/d1ra09286c] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2021] [Accepted: 04/07/2022] [Indexed: 12/19/2022] Open
Abstract
The Raman signal enhancement ability of the surface-enhanced Raman scattering (SERS) technique is largely determined by the SERS substrate, which is usually a collection of precious metal (such as silver or gold) nanoparticles. For use in the SERS substrate, anisotropic metal nanoparticles, e.g. flower-like, will be preferred over the isotropic ones since they will give higher Raman enhancement. The problem is that it is very difficult to fabricate anisotropic metal nanoparticles as small as the isotropic ones that are best suited for use as SERS substrates. This study deals with the synthesis of wool roll-like silver nanoflowers (AgNFs) in a mixed ethanol/water solution instead of the usual aqueous solution when reducing silver nitrate with ascorbic acid in the presence of citric acid, which acts as a structure-directing agent. The size of the wool roll-shaped AgNFs was reduced from about 700 nm when the solution was purely aqueous to about 280 nm when in the mixed solution the ethanol/water volume ratio was 75/25. Thanks to the size reduction of AgNFs, the enhancement factor of SERS substrates made from them has increased dramatically, from 2.7 × 106 when the size of AgNFs is 700 nm to 5.4 × 109 when their size is 280 nm (the calculation is based on rhodamine 6G Raman and SERS spectroscopy). The application of the above AgNFs to recording the SERS spectrum of carbendazim (CBZ), a typical fungicide, at low concentrations has also shown that the smaller the size of the AgNFs, the higher the intensity of the CBZ characteristic bands. The wool roll-shaped AgNFs with a size of 280 nm allowed CBZ to be detected down to a concentration of 0.01 ppm (4.2 × 10−8 M) with a detection limit of 3.2 ppb (13.4 × 10−9 M). Wool roll-like silver nanoflowers of different sizes were obtained by reducing AgNO3 with ascorbic acid in the presence of citric acid in a mixed ethanol/water solution with different volume ratios.![]()
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Affiliation(s)
- Manh Cuong Nguyen
- Institute of Materials Science, Vietnam Academy of Science and Technology 18 Hoang Quoc Viet, Cau Giay 100000 Hanoi Vietnam .,Graduate University of Science and Technology, Vietnam Academy of Science and Technology 18 Hoang Quoc Viet, Cau Giay 100000 Hanoi Vietnam
| | - Truc Quynh Ngan Luong
- Institute of Materials Science, Vietnam Academy of Science and Technology 18 Hoang Quoc Viet, Cau Giay 100000 Hanoi Vietnam .,Graduate University of Science and Technology, Vietnam Academy of Science and Technology 18 Hoang Quoc Viet, Cau Giay 100000 Hanoi Vietnam
| | - Thi Thu Vu
- Institute of Materials Science, Vietnam Academy of Science and Technology 18 Hoang Quoc Viet, Cau Giay 100000 Hanoi Vietnam .,Graduate University of Science and Technology, Vietnam Academy of Science and Technology 18 Hoang Quoc Viet, Cau Giay 100000 Hanoi Vietnam
| | - Cao Tuan Anh
- Tantrao University Yen Son Trung Mon 22000 Tuyenquang Vietnam
| | - Tran Cao Dao
- Institute of Materials Science, Vietnam Academy of Science and Technology 18 Hoang Quoc Viet, Cau Giay 100000 Hanoi Vietnam .,Graduate University of Science and Technology, Vietnam Academy of Science and Technology 18 Hoang Quoc Viet, Cau Giay 100000 Hanoi Vietnam
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8
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El-Sawy ER, Abdelwahab AB, Kirsch G. Insight on Mercapto-Coumarins: Synthesis and Reactivity. Molecules 2022; 27:2150. [PMID: 35408548 PMCID: PMC9000435 DOI: 10.3390/molecules27072150] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2022] [Revised: 03/23/2022] [Accepted: 03/23/2022] [Indexed: 11/22/2022] Open
Abstract
Mercapto (or sulfanyl)-coumarins are heterocycles of great interest in the development of valuable active structures in material and biological domains. They represent a highly exploitable class of compounds that open many possibilities for further chemical transformations. The present review aims to draw focus toward the synthetic applicability of various forms of mercapto-coumarins and their representations in pharmaceuticals and industries. This work covers the literature issued from 1970 to 2021.
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Affiliation(s)
- Eslam Reda El-Sawy
- National Research Centre, Chemistry of Natural Compounds Department, Dokki, Cairo 12622, Egypt
| | | | - Gilbert Kirsch
- Laboratoire Lorrain de Chimie Moleculaire (L.2.C.M.), Universite de Lorraine, 57050 Metz, France
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9
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Feng L, Duan J, Wang K, Huang L, Xiao G. Efficient fabrication of highly sensitive AgNPs-drawing paper SERS substrates by robotic writing approach. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2021; 261:120064. [PMID: 34146826 DOI: 10.1016/j.saa.2021.120064] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/02/2021] [Revised: 06/01/2021] [Accepted: 06/07/2021] [Indexed: 06/12/2023]
Abstract
Inspired by hand writing approach for preparing surface-enhanced Raman scattering (SERS) substrates, silver nanoparticles (AgNPs) decorated drawing paper substrates were prepared by robotic writing technique. The wettabilities and surface morphologies of the drawing paper before and after the deposition of AgNPs were characterized by contact angle analyzer and scanning electron microscope, respectively. Malachite green was employed as a probe molecule to evaluate the SERS activities of the AgNPs-drawing paper substrates. The AgNPs-drawing paper substrates exhibited extremely high sensitivity that the detection limit for malachite green was down to 10-18 mol/L and the Raman enhancement factor was calculated to be 1015. The relative standard deviation (RSD) values of the Raman peaks intensities collected from twelve points on a single substrate and fifteen substrates were used to evaluate the uniformity and reproducibility of the AgNPs-drawing paper substrates. It was found that the substrates had good reproducibility and uniformity with RSD values of 7.29% and 9.70%, respectively. Furthermore, the prepared AgNPs-drawing paper substrates exhibited long-term stability among six months.
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Affiliation(s)
- Longxiu Feng
- Department of Physics, Shanghai Normal University, Shanghai 200234, PR China
| | - Junli Duan
- Department of Physics, Shanghai Normal University, Shanghai 200234, PR China
| | - Kun Wang
- Department of Physics, Shanghai Normal University, Shanghai 200234, PR China
| | - Lei Huang
- Department of Physics, Shanghai Normal University, Shanghai 200234, PR China
| | - Guina Xiao
- Department of Physics, Shanghai Normal University, Shanghai 200234, PR China
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10
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Gold and Silver Nanoparticle-Based Colorimetric Sensors: New Trends and Applications. CHEMOSENSORS 2021. [DOI: 10.3390/chemosensors9110305] [Citation(s) in RCA: 24] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Abstract
Gold and Silver nanoparticles (AuNPs and AgNPs) are perfect platforms for developing sensing colorimetric devices thanks to their high surface to volume ratio and distinctive optical properties, particularly sensitive to changes in the surrounding environment. These characteristics ensure high sensitivity in colorimetric devices. Au and Ag nanoparticles can be capped with suitable molecules that can act as specific analyte receptors, so highly selective sensors can be obtained. This review aims to highlight the principal strategies developed during the last decade concerning the preparation of Au and Ag nanoparticle-based colorimetric sensors, with particular attention to environmental and health monitoring applications.
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11
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Application of surface-enhanced Raman spectroscopy using silver and gold nanoparticles for the detection of pesticides in fruit and fruit juice. Trends Food Sci Technol 2021. [DOI: 10.1016/j.tifs.2021.08.006] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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12
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Sacco A, Portesi C, Giovannozzi AM, Rossi AM. Graphene edge method for three‐dimensional probing of Raman microscopes focal volumes. JOURNAL OF RAMAN SPECTROSCOPY 2021; 52:1671-1684. [DOI: 10.1002/jrs.6187] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/31/2021] [Accepted: 06/07/2021] [Indexed: 09/02/2023]
Abstract
AbstractIn this work, a layer of graphene was used as a standard material for the measurement of the dimensions of Raman microscopes focal volumes of different confocal Raman spectrometers equipped with different objectives and excitation laser wavelengths. This method consists in probing the volume near the focal point of the system by using a flat graphene monolayer sheet with a straight edge. Graphene was selected because of its high Raman cross section and mechanically and chemically stability, allowing fast measurements and easy manipulation. In this paper, a method to employ graphene to accurately and precisely measure the three dimensions of the focal volume of a Raman microscope is presented; scanning along the axial and lateral directions, it is possible to reconstruct the three dimensions of the focal volume. Furthermore, these operations can be combined in a single procedure which allows the measurement of projections of the volume on planes parallel to the optical axis. Knowledge of these parameters enable absolute quantification of Raman‐active molecules and support high‐resolution Raman imaging.
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Affiliation(s)
- Alessio Sacco
- Quantum Metrology and Nanotechnology Department National Institute for Metrological Research (INRiM) Strada delle Cacce 91 Turin 10135 Italy
| | - Chiara Portesi
- Quantum Metrology and Nanotechnology Department National Institute for Metrological Research (INRiM) Strada delle Cacce 91 Turin 10135 Italy
| | - Andrea Mario Giovannozzi
- Quantum Metrology and Nanotechnology Department National Institute for Metrological Research (INRiM) Strada delle Cacce 91 Turin 10135 Italy
| | - Andrea Mario Rossi
- Quantum Metrology and Nanotechnology Department National Institute for Metrological Research (INRiM) Strada delle Cacce 91 Turin 10135 Italy
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13
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Nie Y, Jin C, Zhang JXJ. Microfluidic In Situ Patterning of Silver Nanoparticles for Surface-Enhanced Raman Spectroscopic Sensing of Biomolecules. ACS Sens 2021; 6:2584-2592. [PMID: 34148342 DOI: 10.1021/acssensors.1c00117] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
This work integrates the advantages of microfluidic devices, nanoparticle synthesis, and on-chip sensing of biomolecules. The concept of microreactors brings new opportunities in chemical synthesis, especially for metallic nanoparticles favorable in surface-enhanced Raman spectroscopy (SERS) for high-resolution and low-limit detection of biomolecules. However, still missing is our understanding of reactions at the microscale and how microsystems can be exploited in biosensing applications via precise control of nanomaterial synthesis. We investigate how microfluidic geometry affects nanoparticle patterning for high-resolution SERS-based sensing and propose a spiral-shaped microchannel that can achieve enhanced mixing, rapid reaction at room temperature, and uniform in situ patterning. The roles of channel geometry as the key parameter on patterning have been studied systematically to provide insight into the rational design of continuous microfluidic systems for SERS applications. We also demonstrate potential applications of this integrated system in label-free on-chip detection of 1 pM rhodamine B (enhancement factor, ∼4.3 × 1011) and a 1 nM 41-base single-stranded deoxyribonucleic acid (DNA) sequence (enhancement factor, ∼1.5 × 108). Our ready-to-use multifunctional system provides an alternative strategy for the facile fabrication of SERS-active substrates and promotes system integration, miniaturization, and on-site biological applications.
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Affiliation(s)
- Yuan Nie
- Thayer School of Engineering, Dartmouth College, 14 Engineering Dr., Hanover, New Hampshire 03755, United States
| | - Congran Jin
- Thayer School of Engineering, Dartmouth College, 14 Engineering Dr., Hanover, New Hampshire 03755, United States
| | - John X. J. Zhang
- Thayer School of Engineering, Dartmouth College, 14 Engineering Dr., Hanover, New Hampshire 03755, United States
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14
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Chen YC, Hong SW, Wu HH, Wang YL, Chen YF. Rapid Formation of Nanoclusters for Detection of Drugs in Urine Using Surface-Enhanced Raman Spectroscopy. NANOMATERIALS (BASEL, SWITZERLAND) 2021; 11:1789. [PMID: 34361175 PMCID: PMC8308440 DOI: 10.3390/nano11071789] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/09/2021] [Revised: 07/01/2021] [Accepted: 07/07/2021] [Indexed: 02/08/2023]
Abstract
We developed a method based on surface-enhanced Raman spectroscopy (SERS) and a sample pretreatment process for rapid, sensitive, reproducible, multiplexed, and low-cost detection of illegal drugs in urine. The abuse of new psychoactive substances (NPS) has become an increasingly serious problem in many countries. However, immunoassay-based screening kits for NPS are usually not available because of the lack of corresponding antibodies. SERS has a great potential for rapid detection of NPS because it can simultaneously detect multiple kinds of drugs without the use of antibodies. To achieve highly sensitive SERS detection of drugs, sodium bromide was first employed to induce the rapid formation of Ag nanoclusters by aggregating silver nanoparticles (AgNPs) in the extracted sample solution. SERS measurements were performed immediately after the sample pretreatment without incubation. The three-dimensional SERS hot spots were believed to form significantly within the nanoclusters, providing strong SERS enhancement effects. The displacement of citrate molecules on the surfaces of the AgNPs by bromide ions helped increase the adsorption of drug molecules, increasing their areal density. We demonstrated the simultaneous detection of two kinds of NPS, methcathinone and 4-methylmethcathinone, in urine at a concentration as low as 0.01 ppm.
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Affiliation(s)
- Yun-Chu Chen
- Institute of Biophotonics, National Yang Ming Chiao Tung University, Taipei 112, Taiwan; (Y.-C.C.); (S.-W.H.); (H.-H.W.)
| | - Shang-Wen Hong
- Institute of Biophotonics, National Yang Ming Chiao Tung University, Taipei 112, Taiwan; (Y.-C.C.); (S.-W.H.); (H.-H.W.)
| | - Huang-Hesin Wu
- Institute of Biophotonics, National Yang Ming Chiao Tung University, Taipei 112, Taiwan; (Y.-C.C.); (S.-W.H.); (H.-H.W.)
| | - Yuh-Lin Wang
- Institute of Atomic and Molecular Sciences, Academia Sinica, Taipei 106, Taiwan;
| | - Yih-Fan Chen
- Institute of Biophotonics, National Yang Ming Chiao Tung University, Taipei 112, Taiwan; (Y.-C.C.); (S.-W.H.); (H.-H.W.)
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15
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Gao F, Kong W, He G, Guo Y, Liu H, Zhang S, Yang B. SERS-active vertically aligned silver/tungsten oxide nanoflakes for ultrasensitive and reliable detection of thiram. Microchem J 2021. [DOI: 10.1016/j.microc.2021.106046] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
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16
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Wang J, Chen Q, Belwal T, Lin X, Luo Z. Insights into chemometric algorithms for quality attributes and hazards detection in foodstuffs using Raman/surface enhanced Raman spectroscopy. Compr Rev Food Sci Food Saf 2021; 20:2476-2507. [DOI: 10.1111/1541-4337.12741] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2020] [Revised: 02/08/2021] [Accepted: 02/23/2021] [Indexed: 12/12/2022]
Affiliation(s)
- Jingjing Wang
- College of Biosystems Engineering and Food Science, Key Laboratory of Agro‐Products Postharvest Handling of Ministry of Agriculture and Rural Affairs, Zhejiang Key Laboratory for Agri‐Food Processing, National‐Local Joint Engineering Laboratory of Intelligent Food Technology and Equipment Zhejiang University Hangzhou People's Republic of China
| | - Quansheng Chen
- School of Food and Biological Engineering Jiangsu University Zhenjiang People's Republic of China
| | - Tarun Belwal
- College of Biosystems Engineering and Food Science, Key Laboratory of Agro‐Products Postharvest Handling of Ministry of Agriculture and Rural Affairs, Zhejiang Key Laboratory for Agri‐Food Processing, National‐Local Joint Engineering Laboratory of Intelligent Food Technology and Equipment Zhejiang University Hangzhou People's Republic of China
| | - Xingyu Lin
- College of Biosystems Engineering and Food Science, Key Laboratory of Agro‐Products Postharvest Handling of Ministry of Agriculture and Rural Affairs, Zhejiang Key Laboratory for Agri‐Food Processing, National‐Local Joint Engineering Laboratory of Intelligent Food Technology and Equipment Zhejiang University Hangzhou People's Republic of China
| | - Zisheng Luo
- College of Biosystems Engineering and Food Science, Key Laboratory of Agro‐Products Postharvest Handling of Ministry of Agriculture and Rural Affairs, Zhejiang Key Laboratory for Agri‐Food Processing, National‐Local Joint Engineering Laboratory of Intelligent Food Technology and Equipment Zhejiang University Hangzhou People's Republic of China
- Ningbo Research Institute Zhejiang University Ningbo People's Republic of China
- Fuli Institute of Food Science Hangzhou People's Republic of China
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17
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Sun Y, Zhai X, Xu Y, Liu C, Zou X, Li Z, Shi J, Huang X. Facile fabrication of three-dimensional gold nanodendrites decorated by silver nanoparticles as hybrid SERS-active substrate for the detection of food contaminants. Food Control 2021. [DOI: 10.1016/j.foodcont.2020.107772] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
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Vu XH, Dien ND, Ha Pham TT, Trang TT, Ca NX, Tho PT, Vinh ND, Van Do P. The sensitive detection of methylene blue using silver nanodecahedra prepared through a photochemical route. RSC Adv 2020; 10:38974-38988. [PMID: 35518425 PMCID: PMC9057378 DOI: 10.1039/d0ra07869g] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2020] [Accepted: 10/19/2020] [Indexed: 01/31/2023] Open
Abstract
In this work, we have carried out systematic studies on the critical role of polyvinyl pyrrolidone (PVP) and citrate in the well-known chemical reduction route to synthesize silver nanodecahedra (AgND). Silver nitrate (AgNO3) was used as silver source, which can be directly converted to metallic silver after being reduced by sodium borohydride (NaBH4) under blue light-emitting diode (LED) irradiation (λ max = 465 nm), and polyvinyl pyrrolidone (PVP) as a capping agent to assist the growth of AgND. The obtained products were silver nanodecahedra of excellent uniformity and stability with high efficiency and yield. The results showed that PVP acted as a capping agent to stabilize the silver nanoparticles, prolonging the initiation time required for nanodecahedra nucleation, thus inducing anisotropic growth, allowing the size and morphology of the AgND to be controlled successfully. This improved understanding allows a consistent process for the synthesis of AgND with significantly enhanced reproducibility to be developed and the formation mechanism of these nanostructures to be elucidated. This is a simple, cost-effective and easily reproducible method for creating AgND. The typical absorption maxima in the UV-vis spectroscopy of Ag seeds was λ max ∼400 nm and that of AgND was λ max ∼480 nm. The size of the prepared AgND was in the range of 60-80 nm. SEM images confirmed the uniform and high density of AgND when the concentration of PVP was 0.5 mM. The XRD pattern showed that the final product of AgND was highly crystallized. In addition, the prepared AgND can be used to detect methylene blue (MB) in a sensitive manner with good reproducibility and stability using Surface-Enhanced Raman Scattering (SERS) phenomenon. Out of the obtained products, the AgND prepared with 50 min blue LED light irradiation (AgND-50) displayed the strongest SERS signal. Interestingly, MB in diluted solution can be detected with a concentration as low as 10-7 M (the limit of detection, LOD) and the linear dependence between SERS intensity and the MB concentration occurred in the range from 10-7 to 10-6 M. The enhancement factor (EF) of the SERS effect was about 1.602 × 106 with a MB concentration of 10-7 M using 532 nm laser excitation.
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Affiliation(s)
- Xuan Hoa Vu
- Faculty of Physics, TNU-University of Sciences Tan Thinh ward Thai Nguyen city Vietnam
| | - Nguyen Dac Dien
- Faculty of Labour Protection, Vietnam Trade Union University 169 Tay Son street Hanoi city Vietnam
| | - Thi Thu Ha Pham
- Faculty of Chemistry, TNU-University of Sciences Tan Thinh ward Thai Nguyen city Vietnam
| | - Tran Thu Trang
- Faculty of Physics, TNU-University of Sciences Tan Thinh ward Thai Nguyen city Vietnam
| | - N X Ca
- Faculty of Physics, TNU-University of Sciences Tan Thinh ward Thai Nguyen city Vietnam
| | - P T Tho
- Faculty of Physics, TNU-University of Sciences Tan Thinh ward Thai Nguyen city Vietnam
| | - Nguyen Dinh Vinh
- Faculty of Chemistry, TNU-University of Sciences Tan Thinh ward Thai Nguyen city Vietnam
| | - Phan Van Do
- Thuyloi University 175 Tay Son, Dong Da Hanoi Vietnam
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Yaraki MT, Tan YN. Metal Nanoparticles-Enhanced Biosensors: Synthesis, Design and Applications in Fluorescence Enhancement and Surface-enhanced Raman Scattering. Chem Asian J 2020; 15:3180-3208. [PMID: 32808471 PMCID: PMC7693192 DOI: 10.1002/asia.202000847] [Citation(s) in RCA: 53] [Impact Index Per Article: 13.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2020] [Revised: 08/15/2020] [Indexed: 12/17/2022]
Abstract
Metal nanoparticles (NP) that exhibit localized surface plasmon resonance play an important role in metal-enhanced fluorescence (MEF) and surface-enhanced Raman scattering (SERS). Among the optical biosensors, MEF and SERS stand out to be the most sensitive techniques to detect a wide range of analytes from ions, biomolecules to macromolecules and microorganisms. Particularly, anisotropic metal NPs with strongly enhanced electric field at their sharp corners/edges under a wide range of excitation wavelengths are highly suitable for developing the ultrasensitive plasmon-enhanced biosensors. In this review, we first highlight the reliable methods for the synthesis of anisotropic gold NPs and silver NPs in high yield, as well as their alloys and composites with good control of size and shape. It is followed by the discussion of different sensing mechanisms and recent advances in the MEF and SERS biosensor designs. This includes the review of surface functionalization, bioconjugation and (directed/self) assembly methods as well as the selection/screening of specific biorecognition elements such as aptamers or antibodies for the highly selective bio-detection. The right combinations of metal nanoparticles, biorecognition element and assay design will lead to the successful development of MEF and SERS biosensors targeting different analytes both in-vitro and in-vivo. Finally, the prospects and challenges of metal-enhanced biosensors for future nanomedicine in achieving ultrasensitive and fast medical diagnostics, high-throughput drug discovery as well as effective and reliable theranostic treatment are discussed.
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Affiliation(s)
- Mohammad Tavakkoli Yaraki
- Department of Chemical and Biomolecular EngineeringNational University of Singapore4 Engineering Drive 4Singapore117585Singapore
| | - Yen Nee Tan
- Faculty of Science, Agriculture & EngineeringNewcastle UniversityNewcastle Upon TyneNE1 7RUUnited Kingdom
- Newcastle Research & Innovation Institute (NewRIIS)80 Jurong East Street 21, #05-04 Devan Nair Institute for Employment & EmployabilitySingapore609607Singapore
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20
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Li L, Chin WS. Rapid Fabrication of a Flexible and Transparent Ag Nanocubes@PDMS Film as a SERS Substrate with High Performance. ACS APPLIED MATERIALS & INTERFACES 2020; 12:37538-37548. [PMID: 32701289 DOI: 10.1021/acsami.0c07178] [Citation(s) in RCA: 75] [Impact Index Per Article: 18.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/25/2023]
Abstract
Flexible and transparent surface-enhanced Raman scattering (SERS) substrates have long been sought-after for nondestructive detection of analytes on nonplanar surfaces, but there is still a lack of one convenient and robust way to fabricate such SERS substrates rapidly. Herein, we demonstrate the fabrication of a high-performance SERS substrate consisting of plasmonic Ag nanocube (Ag NC) arrays anchored onto a flexible transparent poly(dimethylsiloxane) (PDMS) membrane. Through a simple organic/water interfacial self-assembly method, arrays of presynthesized Ag NCs are obtained and directly retrieved onto the PDMS membrane without the aid of rigid substrates (e.g., Si wafers or glass slides). The plasmonic Ag NC arrays can produce strong electromagnetic enhancement, achieving high SERS enhancement factor (∼3.43 × 106) and ideal detection capability for methylene blue (MB) and Rhodamine 6G (R6G) at respective trace amounts of 10-10 and 10-9 M. Moreover, without the need to transfer from substrate to substrate, the regular Ag NC arrays are kept intact, thereby yielding a good reproducibility (RSD ∼12%). We demonstrate further that our as-fabricated SERS substrate displays ideal selectivity toward different kinds of analyte molecules (R6G, crystal violet (CV), and MB) based on principal component analysis. The PDMS membrane owns excellent transparency and flexibility; thus, the substrate enables the conformal contact with nonplanar surfaces and allows the penetration of a laser to reach the analytes from the reverse side of the substrate. This thus facilitates in situ SERS detection of trace residual crystal violet on fish skin, with limit of detection (LOD) reaching 0.6 ppm. This fabrication method reported here is economical and easily implemented. The robust Ag NCs@PDMS could be readily prepared and stored to meet diverse SERS sensing applications, especially for in situ detection of analytes on irregular nonplanar surfaces.
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Affiliation(s)
- Limin Li
- Department of Chemistry, Faculty of Science, National University of Singapore, 3 Science Drive 3, 117543, Singapore
| | - Wee Shong Chin
- Department of Chemistry, Faculty of Science, National University of Singapore, 3 Science Drive 3, 117543, Singapore
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21
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Jin J, Song W, Zhang N, Li L, Liu H, Yang B, Zhao B. Highly efficient core–shell Ag@carbon dot modified TiO2 nanofibers for photocatalytic degradation of organic pollutants and their SERS monitoring. RSC Adv 2020; 10:26639-26645. [PMID: 35515768 PMCID: PMC9055520 DOI: 10.1039/d0ra00168f] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2020] [Accepted: 07/04/2020] [Indexed: 12/19/2022] Open
Abstract
The possible mechanism of enhanced photocatalytic performance of Ag@CDs–TiO2 hybrid NFs.
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Affiliation(s)
- Jing Jin
- State Key Laboratory of Supramolecular Structure and Materials
- Jilin University
- Changchun 130012
- P. R. China
| | - Wei Song
- State Key Laboratory of Supramolecular Structure and Materials
- Jilin University
- Changchun 130012
- P. R. China
| | - Ning Zhang
- State Key Laboratory of Supramolecular Structure and Materials
- Jilin University
- Changchun 130012
- P. R. China
| | - Linjia Li
- State Key Laboratory of Supramolecular Structure and Materials
- Jilin University
- Changchun 130012
- P. R. China
| | - Hao Liu
- State Key Laboratory of Supramolecular Structure and Materials
- Jilin University
- Changchun 130012
- P. R. China
| | - Bai Yang
- State Key Laboratory of Supramolecular Structure and Materials
- Jilin University
- Changchun 130012
- P. R. China
| | - Bing Zhao
- State Key Laboratory of Supramolecular Structure and Materials
- Jilin University
- Changchun 130012
- P. R. China
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22
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Ranc V, Chaloupková Z. Perspectives of DCDR-GERS in the analysis of amino acids. Analyst 2020; 145:7701-7708. [DOI: 10.1039/d0an01564d] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Graphene-enhanced Raman scattering (GERS) has attracted increasing attention from many scientists in recent years as a novel and potentially strong analytical technique since its discovery in 2010.
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Affiliation(s)
- Václav Ranc
- Regional Centre of Advanced Technologies and Materials
- Palacky University Olomouc
- 771 46 Olomouc
- Czech Republic
| | - Zuzana Chaloupková
- Regional Centre of Advanced Technologies and Materials
- Palacky University Olomouc
- 771 46 Olomouc
- Czech Republic
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