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Sibug-Torres SM, Grys DB, Kang G, Niihori M, Wyatt E, Spiesshofer N, Ruane A, de Nijs B, Baumberg JJ. In situ electrochemical regeneration of nanogap hotspots for continuously reusable ultrathin SERS sensors. Nat Commun 2024; 15:2022. [PMID: 38448412 PMCID: PMC10917746 DOI: 10.1038/s41467-024-46097-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2023] [Accepted: 02/13/2024] [Indexed: 03/08/2024] Open
Abstract
Surface-enhanced Raman spectroscopy (SERS) harnesses the confinement of light into metallic nanoscale hotspots to achieve highly sensitive label-free molecular detection that can be applied for a broad range of sensing applications. However, challenges related to irreversible analyte binding, substrate reproducibility, fouling, and degradation hinder its widespread adoption. Here we show how in-situ electrochemical regeneration can rapidly and precisely reform the nanogap hotspots to enable the continuous reuse of gold nanoparticle monolayers for SERS. Applying an oxidising potential of +1.5 V (vs Ag/AgCl) for 10 s strips a broad range of adsorbates from the nanogaps and forms a metastable oxide layer of few-monolayer thickness. Subsequent application of a reducing potential of -0.80 V for 5 s in the presence of a nanogap-stabilising molecular scaffold, cucurbit[5]uril, reproducibly regenerates the optimal plasmonic properties with SERS enhancement factors ≈106. The regeneration of the nanogap hotspots allows these SERS substrates to be reused over multiple cycles, demonstrating ≈5% relative standard deviation over at least 30 cycles of analyte detection and regeneration. Such continuous and reliable SERS-based flow analysis accesses diverse applications from environmental monitoring to medical diagnostics.
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Affiliation(s)
- Sarah May Sibug-Torres
- NanoPhotonics Centre, Cavendish Laboratory, Department of Physics, JJ Thompson Avenue, University of Cambridge, Cambridge, CB3 0HE, UK
| | - David-Benjamin Grys
- NanoPhotonics Centre, Cavendish Laboratory, Department of Physics, JJ Thompson Avenue, University of Cambridge, Cambridge, CB3 0HE, UK
| | - Gyeongwon Kang
- NanoPhotonics Centre, Cavendish Laboratory, Department of Physics, JJ Thompson Avenue, University of Cambridge, Cambridge, CB3 0HE, UK
- Department of Chemistry, Kangwon National University, Chuncheon, 24341, South Korea
| | - Marika Niihori
- NanoPhotonics Centre, Cavendish Laboratory, Department of Physics, JJ Thompson Avenue, University of Cambridge, Cambridge, CB3 0HE, UK
| | - Elle Wyatt
- NanoPhotonics Centre, Cavendish Laboratory, Department of Physics, JJ Thompson Avenue, University of Cambridge, Cambridge, CB3 0HE, UK
| | - Nicolas Spiesshofer
- NanoPhotonics Centre, Cavendish Laboratory, Department of Physics, JJ Thompson Avenue, University of Cambridge, Cambridge, CB3 0HE, UK
| | - Ashleigh Ruane
- NanoPhotonics Centre, Cavendish Laboratory, Department of Physics, JJ Thompson Avenue, University of Cambridge, Cambridge, CB3 0HE, UK
| | - Bart de Nijs
- NanoPhotonics Centre, Cavendish Laboratory, Department of Physics, JJ Thompson Avenue, University of Cambridge, Cambridge, CB3 0HE, UK
| | - Jeremy J Baumberg
- NanoPhotonics Centre, Cavendish Laboratory, Department of Physics, JJ Thompson Avenue, University of Cambridge, Cambridge, CB3 0HE, UK.
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2
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Yilmaz D, Miranda B, Lonardo E, Rea I, De Stefano L, De Luca AC. SERS-based pH-Dependent detection of sulfites in wine by hydrogel nanocomposites. Biosens Bioelectron 2024; 245:115836. [PMID: 37988876 DOI: 10.1016/j.bios.2023.115836] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2023] [Revised: 10/18/2023] [Accepted: 11/09/2023] [Indexed: 11/23/2023]
Abstract
Sulfur dioxide (SO2) and sulfites are well-known additives in winemaking due to their preservative properties. Although they can prevent oxidation and inhibit microbial growth, they pose health risks and require limitations on their use. Consequently, the total level of SO2 is regulated and several quantification strategies have been proposed. The approved detection methods require the extraction of SO2 by heating and/or acid treatment. Then, iodine or acid/base titrations are conducted for the detection of liberated SO2. Although these methods can provide sensitive detection of SO2, they are complex, time-consuming, and require sample preparation steps and skilled operators. Thus, to overcome these disadvantages, an easy-to-use method, involving simple sample preparation steps, and offering high sensitivity and selectivity, is desirable. Herein, we introduce a SERS-based strategy for SO2 detection in liquids using hydrogel nanocomposites. The hydrogels are prepared by poly(ethylene glycol) diacrylate (PEGDA) in the presence of gold nanoparticles (AuNPs), acting as the SERS substrate. The use of hydrogels ensures a homogenous signal distribution and an efficient collection of SO2, and drying the hydrogels enhances and stabilizes the obtained SO2 signal. The detection strategy is based on the pH-dependent dissociation of SO2. By adjusting the pH value of wine to 10 through simple dilutions, SO2 can be directly detected in wine, down to 0.4 ppm, well below the regulatory limits. The proposed method allows for sensitive, direct, cost-effective detection of SO2 by eliminating the loss of the gaseous form of the sample and avoids titration-based detection methods.
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Affiliation(s)
- Deniz Yilmaz
- Institute for Experimental Endocrinology and Oncology, "G. Salvatore" (IEOS), National Research Council of Italy (CNR), Naples, Italy
| | - Bruno Miranda
- Institute of Applied Sciences and Intelligent Systems (ISASI), National Research Council of Italy (CNR), Naples, Italy
| | - Enza Lonardo
- Institute of Genetics and Biophysics (IGB), National Research Council of Italy (CNR), Naples, Italy
| | - Ilaria Rea
- Institute of Applied Sciences and Intelligent Systems (ISASI), National Research Council of Italy (CNR), Naples, Italy
| | - Luca De Stefano
- Institute of Applied Sciences and Intelligent Systems (ISASI), National Research Council of Italy (CNR), Naples, Italy.
| | - Anna Chiara De Luca
- Institute for Experimental Endocrinology and Oncology, "G. Salvatore" (IEOS), National Research Council of Italy (CNR), Naples, Italy.
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3
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Abstract
Current advances in the fabrication of smart nanomaterials and nanostructured surfaces find wide usage in the biomedical field. In this context, nanosensors based on localized surface plasmon resonance exhibit unprecedented optical features that can be exploited to reduce the costs, analytic times, and need for expensive lab equipment. Moreover, they are promising for the design of nanoplatforms with multiple functionalities (e.g., multiplexed detection) with large integration within microelectronics and microfluidics. In this review, we summarize the most recent design strategies, fabrication approaches, and bio-applications of plasmonic nanoparticles (NPs) arranged in colloids, nanoarrays, and nanocomposites. After a brief introduction on the physical principles behind plasmonic nanostructures both as inherent optical detection and as nanoantennas for external signal amplification, we classify the proposed examples in colloid-based devices when plasmonic NPs operate in solution, nanoarrays when they are assembled or fabricated on rigid substrates, and nanocomposites when they are assembled within flexible/polymeric substrates. We highlight the main biomedical applications of the proposed devices and offer a general overview of the main strengths and limitations of the currently available plasmonic nanodevices.
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4
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Picone AL, Rizzato ML, Lusi AR, Romano RM. Stamplike flexible SERS substrate for in-situ rapid detection of thiram residues in fruits and vegetables. Food Chem 2022; 373:131570. [PMID: 34810016 DOI: 10.1016/j.foodchem.2021.131570] [Citation(s) in RCA: 24] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2021] [Revised: 10/07/2021] [Accepted: 11/07/2021] [Indexed: 11/19/2022]
Abstract
A simple and sensitive Surface-Enhanced Raman Spectroscopy (SERS) method for the detection of thiram residues in fruit and vegetable peels is reported. A flexible SERS substrate based on silver nanoparticles in an agar gel has been developed and characterised. Peels of different fruits and vegetables were intentionally contaminated with different amounts of thiram. The analyte was then extracted within few seconds by gentle rubbing the surface with the agar substrate using it as a stamp. The optimum experimental conditions of the developed method were explored. The limit of detection of thiram in the peels of tomato and green pepper was 140 pg/cm2. The values achieved for apple was 2 pg/cm2. The method presented could be extensively used for the detection of traces of other contaminants on food surfaces and for other relevant applications.
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Affiliation(s)
- A Lorena Picone
- CEQUINOR (UNLP, CCT-CONICET La Plata, Associated with CIC), Departamento de Química, Facultad de Ciencias Exactas, Universidad Nacional de La Plata, Boulevard 120 N° 1465, La Plata, CP 1900, Argentina.
| | - María Luz Rizzato
- CEQUINOR (UNLP, CCT-CONICET La Plata, Associated with CIC), Departamento de Química, Facultad de Ciencias Exactas, Universidad Nacional de La Plata, Boulevard 120 N° 1465, La Plata, CP 1900, Argentina
| | - Anabela R Lusi
- CEQUINOR (UNLP, CCT-CONICET La Plata, Associated with CIC), Departamento de Química, Facultad de Ciencias Exactas, Universidad Nacional de La Plata, Boulevard 120 N° 1465, La Plata, CP 1900, Argentina
| | - Rosana M Romano
- CEQUINOR (UNLP, CCT-CONICET La Plata, Associated with CIC), Departamento de Química, Facultad de Ciencias Exactas, Universidad Nacional de La Plata, Boulevard 120 N° 1465, La Plata, CP 1900, Argentina.
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5
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Folks C, Phuyal US, Rajesh M, Arja N, Gladden M, Hamm L, De Silva Indrasekara AS. Fabrication and Comparative Quantitative Analysis of Plasmonic-Polymer Nanocomposites as Optical Platforms. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2021; 37:12853-12866. [PMID: 34705467 DOI: 10.1021/acs.langmuir.1c01826] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
Plasmonic-polymer nanocomposites can serve as a multifunctional platform for a wide range of applications such as biochemical sensing and photothermal treatments, where they synergistically benefit from the extraordinary optical properties of plasmonic nanoparticles (NPs) and biocompatible characteristics of biopolymers. The field translation of plasmonic-polymer nanocomposites requires design rules for scalable and reproducible fabrication with tunable and predictable optical properties and achieving the best performance. The optical properties of NPs and the optimal analytical performance of nanocomposites could be affected by many fabrication parameters, but a fundamental understanding of such parameters is still minimal. Herein, we systematically investigated the NP distribution and their optical properties in gold nanostar (GNS)-polymer nanocomposites as a function of GNS concentration, polymer identity, and the method of GNS incorporation into a polymer matrix. We performed a comprehensive analysis of the single-particle scattering spectra of GNS incorporated into agarose gel and chitosan hydrogels via embedding and surface deposition, using dark-field spectroscopy. While relative GNS concentration affects the GNS scattering property distribution in both polymer matrices, chemical interactions between a polymer matrix and GNS is the key determinant of the GNS stability and homogenous distribution in nanocomposites. When GNS are embedded in a polymer matrix and there are stronger chemical interactions between GNS and a polymer, significantly less aggregation and a more homogenous distribution of GNS, which leads to a larger percentage of GNS optical property preservation, were observed at all the concentrations. In a proof-of-concept surface-enhanced Raman spectroscopy (SERS) study, we observed that the SERS detection efficiency is dictated by the analyte accessibility of GNS, which is governed by the polymer matrix porosity, polymer-GNS interactions, and other polymer physical characteristics. This work presents the interplay between key fabrication parameters and foundational design parameters for more predictable and reliable fabrication of plasmonic-polymer nanocomposites as an optical platform.
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Affiliation(s)
- Casey Folks
- Department of Chemistry, University of North Carolina at Charlotte, 9201 University City Blvd, Charlotte, North Carolina 28203, United States
| | - Uttam Sharma Phuyal
- Department of Chemistry, University of North Carolina at Charlotte, 9201 University City Blvd, Charlotte, North Carolina 28203, United States
| | - Mahima Rajesh
- Department of Chemistry, University of North Carolina at Charlotte, 9201 University City Blvd, Charlotte, North Carolina 28203, United States
| | - Nagathushara Arja
- Department of Chemistry, University of North Carolina at Charlotte, 9201 University City Blvd, Charlotte, North Carolina 28203, United States
| | - Michael Gladden
- Department of Chemistry, Winthrop University, 312-A Sims Building, Rock Hill, South Carolina 29733, United States
| | - Logan Hamm
- Department of Chemistry, University of North Carolina at Charlotte, 9201 University City Blvd, Charlotte, North Carolina 28203, United States
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6
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Jiang L, Wang L, Zhan DS, Jiang WR, Fodjo EK, Hafez ME, Zhang YM, Zhao H, Qian RC, Li DW. Electrochemically renewable SERS sensor: A new platform for the detection of metabolites involved in peroxide production. Biosens Bioelectron 2021; 175:112918. [PMID: 33383430 DOI: 10.1016/j.bios.2020.112918] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2020] [Revised: 12/15/2020] [Accepted: 12/17/2020] [Indexed: 12/12/2022]
Abstract
The accurate detection of hydrogen peroxide (H2O2)-involved metabolites plays a significant role in the early diagnosis of metabolism-associated diseases, whereas most of current metabolite-sensing systems are often hindered by low sensitivity, interference of coexisting species, or tedious preparation. Herein, an electrochemistry-regenerated surface-enhanced Raman scattering (SERS) sensor was developed to serve as a universal platform for detecting H2O2-involved metabolites. The SERS sensor was constructed by modifying newly synthesized 2-mercaptohydroquinone (2-MHQ) molecules on the surface of gold nanoparticles (AuNPs) that were electrochemically predeposited on an ITO electrode. Metabolites were detected through the changes in the SERS spectrum as a result of the reaction of 2-MHQ with H2O2 induced by the metabolites. Combining the superiority of SERS fingerprint identification and the specificity of the related enzymatic reactions producing H2O2, the designed SERS sensor was highly selective in detecting glucose and uric acid as models of H2O2-involved metabolite with limits of detection (LODs) of 0.159 μM and 0.0857 μM, respectively. Moreover, the sensor maintained a high SERS activity even after more than 10 electrochemical regenerations within 2 min, demonstrating its effectiveness for the rapid detection of various metabolites with electrochemistry-driven regulation. Importantly, the presented SERS sensor showed considerable practicability for the detection of metabolites in real serum samples. Accordingly, the SERS sensor is a new detection platform for H2O2-involved metabolites detection in biological fluids, which may aid the early diagnosis of metabolism-related diseases.
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Affiliation(s)
- Lei Jiang
- Key Laboratory for Advanced Materials, Shanghai Key Laboratory of Functional Materials Chemistry, Joint International Laboratory for Precision Chemistry, Frontiers Science Center for Materiobiology & Dynamic Chemistry, School of Chemistry and Molecular Engineering, East China University of Science and Technology, Shanghai, 200237, PR China
| | - Lu Wang
- Key Laboratory for Advanced Materials, Shanghai Key Laboratory of Functional Materials Chemistry, Joint International Laboratory for Precision Chemistry, Frontiers Science Center for Materiobiology & Dynamic Chemistry, School of Chemistry and Molecular Engineering, East China University of Science and Technology, Shanghai, 200237, PR China
| | - De-Sheng Zhan
- Key Laboratory for Advanced Materials, Shanghai Key Laboratory of Functional Materials Chemistry, Joint International Laboratory for Precision Chemistry, Frontiers Science Center for Materiobiology & Dynamic Chemistry, School of Chemistry and Molecular Engineering, East China University of Science and Technology, Shanghai, 200237, PR China
| | - Wen-Rong Jiang
- Department of Laboratory Medicine, Huadong Hospital Affiliated to Fudan University, Shanghai, 200040, PR China
| | - Essy Kouadio Fodjo
- Key Laboratory for Advanced Materials, Shanghai Key Laboratory of Functional Materials Chemistry, Joint International Laboratory for Precision Chemistry, Frontiers Science Center for Materiobiology & Dynamic Chemistry, School of Chemistry and Molecular Engineering, East China University of Science and Technology, Shanghai, 200237, PR China
| | - Mahmoud Elsayed Hafez
- Key Laboratory for Advanced Materials, Shanghai Key Laboratory of Functional Materials Chemistry, Joint International Laboratory for Precision Chemistry, Frontiers Science Center for Materiobiology & Dynamic Chemistry, School of Chemistry and Molecular Engineering, East China University of Science and Technology, Shanghai, 200237, PR China
| | - Yan-Mei Zhang
- Department of Laboratory Medicine, Huadong Hospital Affiliated to Fudan University, Shanghai, 200040, PR China
| | - Hu Zhao
- Department of Laboratory Medicine, Huadong Hospital Affiliated to Fudan University, Shanghai, 200040, PR China
| | - Ruo-Can Qian
- Key Laboratory for Advanced Materials, Shanghai Key Laboratory of Functional Materials Chemistry, Joint International Laboratory for Precision Chemistry, Frontiers Science Center for Materiobiology & Dynamic Chemistry, School of Chemistry and Molecular Engineering, East China University of Science and Technology, Shanghai, 200237, PR China.
| | - Da-Wei Li
- Key Laboratory for Advanced Materials, Shanghai Key Laboratory of Functional Materials Chemistry, Joint International Laboratory for Precision Chemistry, Frontiers Science Center for Materiobiology & Dynamic Chemistry, School of Chemistry and Molecular Engineering, East China University of Science and Technology, Shanghai, 200237, PR China.
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7
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Moldovan R, Iacob BC, Farcău C, Bodoki E, Oprean R. Strategies for SERS Detection of Organochlorine Pesticides. NANOMATERIALS (BASEL, SWITZERLAND) 2021; 11:304. [PMID: 33503937 PMCID: PMC7911634 DOI: 10.3390/nano11020304] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/18/2020] [Revised: 01/18/2021] [Accepted: 01/21/2021] [Indexed: 02/02/2023]
Abstract
Organochlorine pesticides (OCPs) embody highly lipophilic hazardous chemicals that are being phased out globally. Due to their persistent nature, they are still contaminating the environment, being classified as persistent organic pollutants (POPs). They bioaccumulate through bioconcentration and biomagnification, leading to elevated concentrations at higher trophic levels. Studies show that human long-term exposure to OCPs is correlated with a large panel of common chronic diseases. Due to toxicity concerns, most OCPs are listed as persistent organic pollutants (POPs). Conventionally, separation techniques such as gas chromatography are used to analyze OCPs (e.g., gas chromatography coupled with mass spectrometry (GC/MS)) or electron capture detection (GC/ECD). These are accurate, but expensive and time-consuming methods, which can only be performed in centralized lab environments after extensive pretreatment of the collected samples. Thus, researchers are continuously fueling the need to pursue new faster and less expensive alternatives for their detection and quantification that can be used in the field, possibly in miniaturized lab-on-a-chip systems. In this context, surface enhanced Raman spectroscopy (SERS) represents an exceptional analytical tool for the trace detection of pollutants, offering molecular fingerprint-type data and high sensitivity. For maximum signal amplification, two conditions are imposed: an efficient substrate and a high affinity toward the analyte. Unfortunately, due to the highly hydrophobic nature of these pollutants (OCPs,) they usually have a low affinity toward SERS substrates, increasing the challenge in their SERS detection. In order to overcome this limitation and take advantage of on-site Raman analysis of pollutants, researchers are devising ingenious strategies that are synthetically discussed in this review paper. Aiming to maximize the weak Raman signal of organochlorine pesticides, current practices of increasing the substrate's performance, along with efforts in improving the selectivity by SERS substrate functionalization meant to adsorb the OCPs in close proximity (via covalent, electrostatic or hydrophobic bonds), are both discussed. Moreover, the prospects of multiplex analysis are also approached. Finally, other perspectives for capturing such hydrophobic molecules (MIPs-molecularly imprinted polymers, immunoassays) and SERS coupled techniques (microfluidics-SERS, electrochemistry-SERS) to overcome some of the restraints are presented.
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Affiliation(s)
- Rebeca Moldovan
- Analytical Chemistry Department, Faculty of Pharmacy, Iuliu Hațieganu University of Medicine and Pharmacy, 400349 Cluj-Napoca, Romania; (R.M.); (B.-C.I.); (R.O.)
| | - Bogdan-Cezar Iacob
- Analytical Chemistry Department, Faculty of Pharmacy, Iuliu Hațieganu University of Medicine and Pharmacy, 400349 Cluj-Napoca, Romania; (R.M.); (B.-C.I.); (R.O.)
| | - Cosmin Farcău
- National Institute for Research and Development of Isotopic and Molecular Technologies, 67–103 Donat, 400293 Cluj-Napoca, Romania;
| | - Ede Bodoki
- Analytical Chemistry Department, Faculty of Pharmacy, Iuliu Hațieganu University of Medicine and Pharmacy, 400349 Cluj-Napoca, Romania; (R.M.); (B.-C.I.); (R.O.)
| | - Radu Oprean
- Analytical Chemistry Department, Faculty of Pharmacy, Iuliu Hațieganu University of Medicine and Pharmacy, 400349 Cluj-Napoca, Romania; (R.M.); (B.-C.I.); (R.O.)
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8
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Determination of methotrexate in spiked human urine using SERS-active sorbent. Anal Bioanal Chem 2020; 412:7757-7766. [DOI: 10.1007/s00216-020-02932-x] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2020] [Revised: 08/15/2020] [Accepted: 08/31/2020] [Indexed: 12/14/2022]
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9
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Chi H, Wang C, Wang Z, Zhu H, Mesias VSD, Dai X, Chen Q, Liu W, Huang J. Highly reusable nanoporous silver sheet for sensitive SERS detection of pesticides. Analyst 2020; 145:5158-5165. [PMID: 32725005 DOI: 10.1039/d0an00999g] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Abstract
Surface-enhanced Raman spectroscopy (SERS) enables pesticide detection at the point-of-need, but its practical application is limited by expensive and disposable SERS substrates. Here, we report a reusable nanoporous silver (NPAg) sheet for the SERS detection of organochlorine pesticides, aiming to maximize the cost-efficiency of substrate regeneration. The NPAg sheet is prepared by a reduction-induced decomposition method without chemical induced random aggregations. This SERS substrate is sensitive to various analytes regardless of their affinity to a metal surface such as rhodamine B, dichlorodiphenyl-trichloroethane (DDT), and lindane due to its large surface area and the coral rock-like morphology. The SERS signal of lindane, a typical organochlorine pesticide, is identified and quantified with a minimum detectable concentration of 3 × 10-7 M (87 ppb), which is below the maximum residue limits in various foods set by the regulators across the world. More importantly, after a few minutes of ultrasonic cleaning in water, the NPAg sheet can be reused at least 20 times with a reproducible SERS activity. Furthermore, the NPAg sheet remains stable in terms of its sensitivity and reusability after several months of bare strorage. Therefore, the NPAg sheet as a SERS substrate holds great promise for mass production and convenient applications in low-cost pesticide analysis.
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Affiliation(s)
- Huanyu Chi
- HKUST-Shenzhen Research Institute, No. 9 Yuexing first RD, Hi-tech Park, Nanshan, Shenzhen 518057, China. .,Department of Chemistry, The Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, Hong Kong, China
| | - Congcheng Wang
- Department of Mechanical and Aerospace Engineering, The Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, Hong Kong, China
| | - Zhien Wang
- Department of Chemistry, The Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, Hong Kong, China
| | - Hongni Zhu
- HKUST-Shenzhen Research Institute, No. 9 Yuexing first RD, Hi-tech Park, Nanshan, Shenzhen 518057, China. .,Department of Chemistry, The Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, Hong Kong, China
| | - Vince St Dollente Mesias
- Department of Chemistry, The Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, Hong Kong, China
| | - Xin Dai
- Department of Chemistry, The Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, Hong Kong, China
| | - Qing Chen
- HKUST-Shenzhen Research Institute, No. 9 Yuexing first RD, Hi-tech Park, Nanshan, Shenzhen 518057, China. .,Department of Chemistry, The Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, Hong Kong, China.,Department of Mechanical and Aerospace Engineering, The Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, Hong Kong, China
| | - Wei Liu
- Department of Chemistry, The University of Hong Kong, Pokfulam Road, Hong Kong, China
| | - Jinqing Huang
- HKUST-Shenzhen Research Institute, No. 9 Yuexing first RD, Hi-tech Park, Nanshan, Shenzhen 518057, China. .,Department of Chemistry, The Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, Hong Kong, China
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Cai Q, Gan W, Falin A, Watanabe K, Taniguchi T, Zhuang J, Hao W, Huang S, Tao T, Chen Y, Li LH. Two-Dimensional Van der Waals Heterostructures for Synergistically Improved Surface-Enhanced Raman Spectroscopy. ACS APPLIED MATERIALS & INTERFACES 2020; 12:21985-21991. [PMID: 32319287 DOI: 10.1021/acsami.0c01157] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
Surface-enhanced Raman spectroscopy (SERS) is a precise and noninvasive analytical technique that is widely used in chemical analysis, environmental protection, food processing, pharmaceutics, and diagnostic biology. However, it is still a challenge to produce highly sensitive and reusable SERS substrates with a minimum fluorescence background. In this work, we propose the use of van der Waals heterostructures of two-dimensional materials to cover plasmonic metal nanoparticles to solve this challenge. The heterostructures of atomically thin boron nitride (BN) and graphene provide synergistic effects: (1) electrons could tunnel through the atomically thin BN, allowing the charge transfer between graphene and probe molecules to suppress the fluorescence background; (2) the SERS sensitivity is enhanced by graphene via a chemical enhancement mechanism in addition to an electromagnetic field mechanism; and (3) the atomically thin BN protects the underlying graphene and Ag nanoparticles from oxidation during heating for regeneration at 360 °C in the air so that the SERS substrates could be reused. These advances will facilitate wider applications of SERS especially on the detection of fluorescent molecules with higher sensitivity.
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Affiliation(s)
- Qiran Cai
- Institute for Frontier Materials, Deakin University, Waurn Ponds Campus, Waurn Ponds, Victoria 3216, Australia
| | - Wei Gan
- Institute for Frontier Materials, Deakin University, Waurn Ponds Campus, Waurn Ponds, Victoria 3216, Australia
| | - Alexey Falin
- Institute for Frontier Materials, Deakin University, Waurn Ponds Campus, Waurn Ponds, Victoria 3216, Australia
- Dongguan South China Design Innovation Institute, Dongguan 523808, China
| | - Kenji Watanabe
- National Institute for Materials Science, Namiki 1-1, Tsukuba, Ibaraki 305-0044, Japan
| | - Takashi Taniguchi
- National Institute for Materials Science, Namiki 1-1, Tsukuba, Ibaraki 305-0044, Japan
| | - Jincheng Zhuang
- BUAA-UOW Joint Research Centre and School of Physics, Beihang University, Beijing 100191, China
| | - Weichang Hao
- BUAA-UOW Joint Research Centre and School of Physics, Beihang University, Beijing 100191, China
| | - Shaoming Huang
- Guangzhou Key Laboratory of Low Dimensional Materials & Energy Storage Devices, School of Materials and Energy, Guangdong University of Technology, Guangzhou 510006, China
| | - Tao Tao
- Dongguan South China Design Innovation Institute, Dongguan 523808, China
- Guangdong Provincial Key Laboratory of Functional Soft Condensed Matter, School of Materials and Energy, Guangdong University of Technology, Guangzhou 510006, China
| | - Ying Chen
- Institute for Frontier Materials, Deakin University, Waurn Ponds Campus, Waurn Ponds, Victoria 3216, Australia
| | - Lu Hua Li
- Institute for Frontier Materials, Deakin University, Waurn Ponds Campus, Waurn Ponds, Victoria 3216, Australia
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11
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Zhang D, Liang P, Yu Z, Xia J, Ni D, Wang D, Zhou Y, Cao Y, Chen J, Chen J, Jin S. Self-assembled "bridge" substance for organochlorine pesticides detection in solution based on Surface Enhanced Raman Scattering. JOURNAL OF HAZARDOUS MATERIALS 2020; 382:121023. [PMID: 31476717 DOI: 10.1016/j.jhazmat.2019.121023] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/30/2019] [Revised: 08/13/2019] [Accepted: 08/14/2019] [Indexed: 05/29/2023]
Abstract
Pesticide residues pose a great threat to human health, and it is an urgent matter to realize fast and accurate detection of pesticide. SERS (Surface Enhanced Raman Scattering), as a nondestructive detection technology, performs a prominent role in fast detection field due to the strong surface plasmon resonance from short range effect between analyte and nanoparticle. Therefore, in order to solve the incompatibility between organochlorine pesticides molecules and noble metal nanoparticles, this paper proposed a concept of "bridge" substances acting as an interconnect function role to achieve a binding model (object-binder-metal (OBM)) and developed a droplet concentration method to enhance Raman signals. Both combination mode of pesticide molecules to bridge molecules and energy transfer of SERS experiment may relate to the compound ring according to the changes of peaks based on surface plasmon resonance. The selectivity and stability of different bridge substances interacting with pesticides molecules were illumined via binding energy of these two substances obtained by DFT calculations. A droplet can capture nanoparticles and analytes, which is conducive to SERS performance. Chloride ions in the solution contribute to rearrangement of nanoparticles and can validly promote surface activation of Ag nanoparticles to improve energy transfer efficiency of plasma resonance, resulting in superior SERS effect.
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Affiliation(s)
- De Zhang
- Key Laboratory of Horticultural Plant Biology, Ministry of Education, College of Horticulture & Forestry Sciences, Huazhong Agricultural University, 430070, Wuhan, China
| | - Pei Liang
- College of Optical and Electronic Technology, China Jiliang University, 310018, Hangzhou, China.
| | - Zhi Yu
- Key Laboratory of Horticultural Plant Biology, Ministry of Education, College of Horticulture & Forestry Sciences, Huazhong Agricultural University, 430070, Wuhan, China.
| | - Jing Xia
- Key Laboratory of Horticultural Plant Biology, Ministry of Education, College of Horticulture & Forestry Sciences, Huazhong Agricultural University, 430070, Wuhan, China
| | - Dejiang Ni
- Key Laboratory of Horticultural Plant Biology, Ministry of Education, College of Horticulture & Forestry Sciences, Huazhong Agricultural University, 430070, Wuhan, China
| | - Dan Wang
- College of Optical and Electronic Technology, China Jiliang University, 310018, Hangzhou, China
| | - Yongfeng Zhou
- College of Optical and Electronic Technology, China Jiliang University, 310018, Hangzhou, China
| | - Yu Cao
- College of Optical and Electronic Technology, China Jiliang University, 310018, Hangzhou, China
| | - Jie Chen
- Key Laboratory of Horticultural Plant Biology, Ministry of Education, College of Horticulture & Forestry Sciences, Huazhong Agricultural University, 430070, Wuhan, China
| | - Jinlei Chen
- Key Laboratory of Horticultural Plant Biology, Ministry of Education, College of Horticulture & Forestry Sciences, Huazhong Agricultural University, 430070, Wuhan, China
| | - Shangzhong Jin
- College of Optical and Electronic Technology, China Jiliang University, 310018, Hangzhou, China
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12
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Fan M, Andrade GFS, Brolo AG. A review on recent advances in the applications of surface-enhanced Raman scattering in analytical chemistry. Anal Chim Acta 2019; 1097:1-29. [PMID: 31910948 DOI: 10.1016/j.aca.2019.11.049] [Citation(s) in RCA: 199] [Impact Index Per Article: 39.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2019] [Revised: 11/18/2019] [Accepted: 11/20/2019] [Indexed: 12/13/2022]
Abstract
This review is focused on recent developments of surface-enhanced Raman scattering (SERS) applications in Analytical Chemistry. The work covers advances in the fabrication methods of SERS substrates, including nanoparticles immobilization techniques and advanced nanopatterning with metallic features. Recent insights in quantitative and sampling methods for SERS implementation and the development of new SERS-based approaches for both qualitative and quantitative analysis are discussed. The advent of methods for pre-concentration and new approaches for single-molecule SERS quantification, such as the digital SERS procedure, has provided additional improvements in the analytical figures-of-merit for analysis and assays based on SERS. The use of metal nanostructures as SERS detection elements integrated in devices, such as microfluidic systems and optical fibers, provided new tools for SERS applications that expand beyond the laboratory environment, bringing new opportunities for real-time field tests and process monitoring based on SERS. Finally, selected examples of SERS applications in analytical and bioanalytical chemistry are discussed. The breadth of this work reflects the vast diversity of subjects and approaches that are inherent to the SERS field. The state of the field indicates the potential for a variety of new SERS-based methods and technologies that can be routinely applied in analytical laboratories.
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Affiliation(s)
- Meikun Fan
- Faculty of Geosciences and Environmental Engineering, Southwest Jiaotong University, Chengdu, Sichuan, 610031, China
| | - Gustavo F S Andrade
- Centro de Estudos de Materiais, Departamento de Química, Instituto de Ciências Exatas, Universidade Federal de Juiz de Fora, Campus Universitário s/n, CEP 36036-900, Juiz de Fora, Brazil
| | - Alexandre G Brolo
- Department of Chemistry, University of Victoria, PO Box 3055, Victoria, BC, V8W 3V6, Canada; Centre for Advanced Materials and Related Technology, University of Victoria, V8W 2Y2, Canada.
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13
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Gan W, Tserkezis C, Cai Q, Falin A, Mateti S, Nguyen M, Aharonovich I, Watanabe K, Taniguchi T, Huang F, Song L, Kong L, Chen Y, Li LH. Atomically Thin Boron Nitride as an Ideal Spacer for Metal-Enhanced Fluorescence. ACS NANO 2019; 13:12184-12191. [PMID: 31577417 DOI: 10.1021/acsnano.9b06858] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
Metal-enhanced fluorescence (MEF) considerably enhances the luminescence for various applications, but its performance largely depends on the dielectric spacer between the fluorophore and plasmonic system. It is still challenging to produce a defect-free spacer having an optimized thickness with a sub-nanometer accuracy that enables reusability without affecting the enhancement. In this study, we demonstrate the use of atomically thin hexagonal boron nitride (BN) as an ideal MEF spacer owing to its multifold advantages over the traditional dielectric thin films. With rhodamine 6G as a representative fluorophore, it largely improves the enhancement factor (up to ∼95 ± 5), sensitivity (10-8 M), reproducibility, and reusability (∼90% of the plasmonic activity is retained after 30 cycles of heating at 350 °C in air) of MEF. This can be attributed to its two-dimensional structure, thickness control at the atomic level, defect-free quality, high affinities to aromatic fluorophores, good thermal stability, and excellent impermeability. The atomically thin BN spacers could increase the use of MEF in different fields and industries.
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Affiliation(s)
- Wei Gan
- Institute for Frontier Materials , Deakin University Geelong Waurn Ponds Campus, Geelong , Victoria 3216 , Australia
| | - Christos Tserkezis
- Center for Nano Optics , University of Southern Denmark , Campusvej 55 , DK-5230 Odense M , Denmark
| | - Qiran Cai
- Institute for Frontier Materials , Deakin University Geelong Waurn Ponds Campus, Geelong , Victoria 3216 , Australia
| | - Alexey Falin
- Institute for Frontier Materials , Deakin University Geelong Waurn Ponds Campus, Geelong , Victoria 3216 , Australia
| | - Srikanth Mateti
- Institute for Frontier Materials , Deakin University Geelong Waurn Ponds Campus, Geelong , Victoria 3216 , Australia
| | - Minh Nguyen
- School of Mathematical and Physical Sciences , University of Technology Sydney , Ultimo , New South Wales 2007 , Australia
| | - Igor Aharonovich
- School of Mathematical and Physical Sciences , University of Technology Sydney , Ultimo , New South Wales 2007 , Australia
| | - Kenji Watanabe
- National Institute for Materials Science , Namiki 1-1 , Tsukuba , Ibaraki 305-0044 , Japan
| | - Takashi Taniguchi
- National Institute for Materials Science , Namiki 1-1 , Tsukuba , Ibaraki 305-0044 , Japan
| | - Fumin Huang
- School of Mathematics and Physics , Queen's University Belfast , Belfast BT7 1NN , United Kingdom
| | - Li Song
- National Synchrotron Radiation Laboratory, CAS Center for Excellence in Nanoscience , University of Science and Technology of China , Hefei , Anhui 230029 , China
| | - Lingxue Kong
- Institute for Frontier Materials , Deakin University Geelong Waurn Ponds Campus, Geelong , Victoria 3216 , Australia
| | - Ying Chen
- Institute for Frontier Materials , Deakin University Geelong Waurn Ponds Campus, Geelong , Victoria 3216 , Australia
| | - Lu Hua Li
- Institute for Frontier Materials , Deakin University Geelong Waurn Ponds Campus, Geelong , Victoria 3216 , Australia
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14
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Zhang Q, Li D, Cao X, Gu H, Deng W. Self-Assembled Microgels Arrays for Electrostatic Concentration and Surface-Enhanced Raman Spectroscopy Detection of Charged Pesticides in Seawater. Anal Chem 2019; 91:11192-11199. [DOI: 10.1021/acs.analchem.9b02106] [Citation(s) in RCA: 32] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Affiliation(s)
- Qinmei Zhang
- School of Chemical and Environmental Engineering, Shanghai Institute of Technology, 100 Haiquan Road, Shanghai 201418, P.R. China
| | - Dan Li
- School of Chemical and Environmental Engineering, Shanghai Institute of Technology, 100 Haiquan Road, Shanghai 201418, P.R. China
| | - Xiukai Cao
- School of Chemical and Environmental Engineering, Shanghai Institute of Technology, 100 Haiquan Road, Shanghai 201418, P.R. China
| | - Haixin Gu
- Shanghai Fire Research Institute of MEM, 918 Minjing Road, Shanghai 200438, P.R. China
| | - Wei Deng
- School of Chemical and Environmental Engineering, Shanghai Institute of Technology, 100 Haiquan Road, Shanghai 201418, P.R. China
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15
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A needle-like reusable surface-enhanced Raman scattering substrate, and its application to the determination of acetamiprid by combining SERS and thin-layer chromatography. Mikrochim Acta 2018; 185:504. [DOI: 10.1007/s00604-018-3034-9] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2018] [Accepted: 09/28/2018] [Indexed: 10/28/2022]
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16
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Curtis T, Taylor AK, Alden SE, Swanson C, Lo J, Knight L, Silva A, Gates BD, Emory SR, Rider DA. Synthesis and Characterization of Tunable, pH-Responsive Nanoparticle-Microgel Composites for Surface-Enhanced Raman Scattering Detection. ACS OMEGA 2018; 3:10572-10588. [PMID: 31459181 PMCID: PMC6645554 DOI: 10.1021/acsomega.8b01561] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/06/2018] [Accepted: 08/21/2018] [Indexed: 05/19/2023]
Abstract
The synthesis of microgels with pH-tunable swelling leads to adjustable and pH-responsive substrates for surface-enhanced Raman scattering (SERS)-active nanoparticles (NPs). Sterically stabilized and cross-linked latexes were synthesized from random copolymers of styrene (S) and 2-vinylpyridine (2VP). The pH-dependent latex-to-microgel transition and swellability were tuned based on their hydrophobic-to-hydrophilic content established by the S/2VP ratio. The electrostatic loading of polystyrene/poly(2-vinylpyridine) microgels [PS x P2VP y (M)] with anions such as tetrachloroaurate (AuCl4 -) and borate-capped Ag NPs was quantified. The PS x P2VP y (M) can load ∼0.3 equiv of AuCl4 - and the subsequent photoreduction results in Au NP-loaded PS x P2VP y (M) with NPs located throughout the structure. Loading PS x P2VP y (M) with borate-capped Ag NPs produces PS x P2VP y (M) with NPs located on the surface of the microgels, where the Ag content is set by S/2VP. The pH-responsive SERS activity is also reported for these Ag NP-loaded microgels. Analytical enhancement factors for dissolved crystal violet are high (i.e., 109 to 1010) and are set by S/2VP. The Ag NP-loaded microgels with ∼80 wt % 2VP exhibited the most stable pH dependent response.
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Affiliation(s)
- Tyler Curtis
- Chemistry
Department and Department of Engineering and Design, Western
Washington University, 516 High Street, Bellingham, Washington 98225, United States
| | - Audrey K. Taylor
- Chemistry
Department and Department of Engineering and Design, Western
Washington University, 516 High Street, Bellingham, Washington 98225, United States
| | - Sasha E. Alden
- Chemistry
Department and Department of Engineering and Design, Western
Washington University, 516 High Street, Bellingham, Washington 98225, United States
| | - Christopher Swanson
- Chemistry
Department and Department of Engineering and Design, Western
Washington University, 516 High Street, Bellingham, Washington 98225, United States
| | - Joelle Lo
- Chemistry
Department and Department of Engineering and Design, Western
Washington University, 516 High Street, Bellingham, Washington 98225, United States
| | - Liam Knight
- Chemistry
Department and Department of Engineering and Design, Western
Washington University, 516 High Street, Bellingham, Washington 98225, United States
| | - Alyson Silva
- Chemistry
Department and Department of Engineering and Design, Western
Washington University, 516 High Street, Bellingham, Washington 98225, United States
| | - Byron D. Gates
- Department
of Chemistry, Simon Fraser University, 8888 University Drive, Burnaby V5A 1S6, Canada
| | - Steven R. Emory
- Chemistry
Department and Department of Engineering and Design, Western
Washington University, 516 High Street, Bellingham, Washington 98225, United States
| | - David A. Rider
- Chemistry
Department and Department of Engineering and Design, Western
Washington University, 516 High Street, Bellingham, Washington 98225, United States
- E-mail:
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17
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Pinheiro PC, Daniel-da-Silva AL, Nogueira HIS, Trindade T. Functionalized Inorganic Nanoparticles for Magnetic Separation and SERS Detection of Water Pollutants. Eur J Inorg Chem 2018. [DOI: 10.1002/ejic.201800132] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Paula C. Pinheiro
- Department of Chemistry-CICECO; University of Aveiro; 3810-193 Aveiro Portugal
| | | | | | - Tito Trindade
- Department of Chemistry-CICECO; University of Aveiro; 3810-193 Aveiro Portugal
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18
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Han X, Koh CSL, Lee HK, Chew WS, Ling XY. Microchemical Plant in a Liquid Droplet: Plasmonic Liquid Marble for Sequential Reactions and Attomole Detection of Toxin at Microliter Scale. ACS APPLIED MATERIALS & INTERFACES 2017; 9:39635-39640. [PMID: 29048876 DOI: 10.1021/acsami.7b13917] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
Miniaturizing the continuous multistep operations of a factory into a microchemical plant offers a safe and cost-effective approach to promote high-throughput screening in drug development and enforcement of industrial/environmental safety. While particle-assembled microdroplets in the form of liquid marble are ideal as microchemical plant, these platforms are mainly restricted to single-step reactions and limited to ex situ reaction monitoring. Herein, we utilize plasmonic liquid marble (PLM), formed by encapsulating liquid droplet with Ag nanocubes, to address these issues and demonstrate it as an ideal microchemical plant to conduct reaction-and-detection sequences on-demand in a nondisruptive manner. Utilizing a two-step azo-dye formation as our model reaction, our microchemical plant allows rapid and efficient diazotization of nitroaniline to form diazonium nitrobenzene, followed by the azo coupling of this intermediate with target aromatic compound to yield azo-dye. These molecular events are tracked in situ via SERS measurement through the plasmonic shell and further verified with in silico investigation. Furthermore, we apply our microchemical plant for ultrasensitive SERS detection and quantification of bisphenol A (BPA) with detection limit down to 10 amol, which is 50 000-fold lower than the BPA safety limit. Together with the protections offered by plasmonic shell against external environments, these collective advantages empower PLM as a multifunctional microchemical plant to facilitate small-volume testing and optimization of processes relevant in industrial and research contexts.
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Affiliation(s)
- Xuemei Han
- Division of Chemistry and Biological Chemistry, School of Physical and Mathematical Sciences, Nanyang Technological University , 21 Nanyang Link, Singapore 637371
| | - Charlynn Sher Lin Koh
- Division of Chemistry and Biological Chemistry, School of Physical and Mathematical Sciences, Nanyang Technological University , 21 Nanyang Link, Singapore 637371
| | - Hiang Kwee Lee
- Division of Chemistry and Biological Chemistry, School of Physical and Mathematical Sciences, Nanyang Technological University , 21 Nanyang Link, Singapore 637371
- Institute of Materials Research and Engineering, Agency for Science, Technology and Research (A*STAR) , 2 Fusionopolis Way, Innovis, #08-03, Singapore 138634
| | - Wee Shern Chew
- Division of Chemistry and Biological Chemistry, School of Physical and Mathematical Sciences, Nanyang Technological University , 21 Nanyang Link, Singapore 637371
| | - Xing Yi Ling
- Division of Chemistry and Biological Chemistry, School of Physical and Mathematical Sciences, Nanyang Technological University , 21 Nanyang Link, Singapore 637371
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19
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Song JE, Kim H, Lee SW, Cho EC. Nanoscale Structural Switching of Plasmonic Nanograin Layers on Hydrogel Colloidal Monolayers for Highly Sensitive and Dynamic SERS in Water with Areal Signal Reproducibility. Anal Chem 2017; 89:11259-11268. [PMID: 28953360 DOI: 10.1021/acs.analchem.7b01021] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Abstract
Developing substrates that enable both reproducible and highly sensitive Raman detection of trace amounts of molecules in aqueous systems remains a challenge, although these substrates are crucial in biomedicine and environmental sciences. To address this issue, we report spatially uniform plasmonic nanowrinkles formed by intimate contact between plasmonic nanograins on the surface of colloidal crystal monolayers. The Au or Ag nanograin layers coated on hydrogel colloidal crystal monolayers can reversibly wrinkle and unwrinkle according to changes in the water temperature. The reversible switches are directed by surface structural changes in the colloidal crystal monolayers, while the colloids repeat the hydration-dehydration process. The Au and Ag nanowrinkles are obtained upon hydration, thus enabling the highly reproducible detection of Raman probes in water at the nano- and picomolar levels, respectively, throughout the entire substrate area. Additionally, the reversible switching of the nanostructures in the plasmonic nanograin layers causes reversible dynamic changes in the corresponding Raman signals upon varying the water temperature.
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Affiliation(s)
- Ji Eun Song
- Department of Chemical Engineering, Hanyang University , Seoul, 04763, South Korea
| | - Hakseong Kim
- Korea Research Institute of Standards and Science (KRISS) , Daejeon, 34113, South Korea
| | - Sang Wook Lee
- Department of Physics, Ewha Womans University , Seoul, 03760, South Korea
| | - Eun Chul Cho
- Department of Chemical Engineering, Hanyang University , Seoul, 04763, South Korea
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20
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Canrinus T, Lee WWY, Feringa BL, Bell SEJ, Browne WR. Supramolecular Low-Molecular-Weight Hydrogelator Stabilization of SERS-Active Aggregated Nanoparticles for Solution and Gas Sensing. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2017; 33:8805-8812. [PMID: 28669185 PMCID: PMC5588087 DOI: 10.1021/acs.langmuir.7b01445] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 04/27/2017] [Revised: 06/23/2017] [Indexed: 06/07/2023]
Abstract
The potential of surface-enhanced Raman scattering (SERS) spectroscopy in both laboratory and field analyses depends on the reliable formation of so-called SERS hot spots, such as those formed during gold or silver nanoparticle aggregation. Unfortunately such aggregates are not stable in solution because they typically grow until they precipitate. Here we describe the use of low-molecular-weight hydrogels formed through pH-triggered self-assembly that occurs at a rate that well matches the rates of aggregation of Au or Ag colloids, allowing them to be trapped at the SERS-active point in the aggregation process. We show that the colloid-containing gels give SERS signals similar to the parent colloid but are stable over several months. Moreover, lyophilized gels can be stored as dry powders for subsequent use in the analyses of gases and dissolved analytes by contact with either solutions or vapors. The present system shows how the combination of pH-switchable low-molecular-weight gelators and pH-induced colloid aggregation can be combined to make a highly stable, low-cost SERS platform for the detection of volatile organic compounds and the microvolume analysis of solutions.
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Affiliation(s)
- Tjalling
R. Canrinus
- Molecular
Inorganic Chemistry, Stratingh Institute for Chemistry and Synthetic Organic
Chemistry, Stratingh Institute for Chemistry, Faculty
of Mathematics and Natural Sciences, University of Groningen, Nijenborgh 4, 9747AG Groningen, The Netherlands
| | - Wendy W. Y. Lee
- School
of Chemistry and Chemical Engineering, Queen’s
University Belfast, David
Keir Building, Stranmillis Road, Belfast, BT9 5AG Northern Ireland
| | - Ben L. Feringa
- Molecular
Inorganic Chemistry, Stratingh Institute for Chemistry and Synthetic Organic
Chemistry, Stratingh Institute for Chemistry, Faculty
of Mathematics and Natural Sciences, University of Groningen, Nijenborgh 4, 9747AG Groningen, The Netherlands
| | - Steven E. J. Bell
- School
of Chemistry and Chemical Engineering, Queen’s
University Belfast, David
Keir Building, Stranmillis Road, Belfast, BT9 5AG Northern Ireland
| | - Wesley R. Browne
- Molecular
Inorganic Chemistry, Stratingh Institute for Chemistry and Synthetic Organic
Chemistry, Stratingh Institute for Chemistry, Faculty
of Mathematics and Natural Sciences, University of Groningen, Nijenborgh 4, 9747AG Groningen, The Netherlands
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21
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Calcium carbonate microparticles with embedded silver and magnetite nanoparticles as new SERS-active sorbent for solid phase extraction. Mikrochim Acta 2017. [DOI: 10.1007/s00604-017-2426-6] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
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22
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Mengesha ZT, Yang J. Silver Nanoparticle-Decorated Shape-Memory Polystyrene Sheets as Highly Sensitive Surface-Enhanced Raman Scattering Substrates with a Thermally Inducible Hot Spot Effect. Anal Chem 2016; 88:10908-10915. [DOI: 10.1021/acs.analchem.6b02256] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Affiliation(s)
| | - Jyisy Yang
- Department of Chemistry, National Chung Hsing University, Taichung 402, Taiwan
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23
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Cai Q, Mateti S, Yang W, Jones R, Watanabe K, Taniguchi T, Huang S, Chen Y, Li LH. Boron Nitride Nanosheets Improve Sensitivity and Reusability of Surface‐Enhanced Raman Spectroscopy. Angew Chem Int Ed Engl 2016; 55:8405-9. [DOI: 10.1002/anie.201600517] [Citation(s) in RCA: 59] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2016] [Indexed: 11/12/2022]
Affiliation(s)
- Qiran Cai
- Institute for Frontier Materials Deakin University 75 Pigdons Road Waurn Ponds 3216 VIC Australia
| | - Srikanth Mateti
- Institute for Frontier Materials Deakin University 75 Pigdons Road Waurn Ponds 3216 VIC Australia
| | - Wenrong Yang
- Centre for Chemistry and Biotechnology, School of Life and Environmental Sciences Deakin University 75 Pigdons Road Waurn Ponds 3216 VIC Australia
| | - Rob Jones
- Department of Physics La Trobe University Bundoora 3086 VIC Australia
| | - Kenji Watanabe
- National Institute for Materials Science Namiki 1-1 Tsukuba Ibaraki 305-0044 Japan
| | - Takashi Taniguchi
- National Institute for Materials Science Namiki 1-1 Tsukuba Ibaraki 305-0044 Japan
| | - Shaoming Huang
- Nanomaterials and Chemistry Key Laboratory Wenzhou University 276 Xueyuan Middle Road Wenzhou Zhejiang 325027 China
| | - Ying Chen
- Institute for Frontier Materials Deakin University 75 Pigdons Road Waurn Ponds 3216 VIC Australia
| | - Lu Hua Li
- Institute for Frontier Materials Deakin University 75 Pigdons Road Waurn Ponds 3216 VIC Australia
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24
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Cai Q, Mateti S, Yang W, Jones R, Watanabe K, Taniguchi T, Huang S, Chen Y, Li LH. Boron Nitride Nanosheets Improve Sensitivity and Reusability of Surface‐Enhanced Raman Spectroscopy. Angew Chem Int Ed Engl 2016. [DOI: 10.1002/ange.201600517] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Qiran Cai
- Institute for Frontier Materials Deakin University 75 Pigdons Road Waurn Ponds 3216 VIC Australia
| | - Srikanth Mateti
- Institute for Frontier Materials Deakin University 75 Pigdons Road Waurn Ponds 3216 VIC Australia
| | - Wenrong Yang
- Centre for Chemistry and Biotechnology, School of Life and Environmental Sciences Deakin University 75 Pigdons Road Waurn Ponds 3216 VIC Australia
| | - Rob Jones
- Department of Physics La Trobe University Bundoora 3086 VIC Australia
| | - Kenji Watanabe
- National Institute for Materials Science Namiki 1-1 Tsukuba Ibaraki 305-0044 Japan
| | - Takashi Taniguchi
- National Institute for Materials Science Namiki 1-1 Tsukuba Ibaraki 305-0044 Japan
| | - Shaoming Huang
- Nanomaterials and Chemistry Key Laboratory Wenzhou University 276 Xueyuan Middle Road Wenzhou Zhejiang 325027 China
| | - Ying Chen
- Institute for Frontier Materials Deakin University 75 Pigdons Road Waurn Ponds 3216 VIC Australia
| | - Lu Hua Li
- Institute for Frontier Materials Deakin University 75 Pigdons Road Waurn Ponds 3216 VIC Australia
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25
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SERS-active sorbent based on aluminum oxide loaded with silver nanoparticles. Colloids Surf A Physicochem Eng Asp 2016. [DOI: 10.1016/j.colsurfa.2016.02.006] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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26
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Renata J. Micro and nanocapsules as supports for Surface-Enhanced Raman Spectroscopy (SERS). PHYSICAL SCIENCES REVIEWS 2016. [DOI: 10.1515/psr-2015-0007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Affiliation(s)
- Jastrząb Renata
- A. Mickiewicz University, Faculty of Chemistry, Umultowska 89b, 61-614 Poznan, Poland
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27
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Lee J, Zhang Q, Park S, Choe A, Fan Z, Ko H. Particle-Film Plasmons on Periodic Silver Film over Nanosphere (AgFON): A Hybrid Plasmonic Nanoarchitecture for Surface-Enhanced Raman Spectroscopy. ACS APPLIED MATERIALS & INTERFACES 2016; 8:634-642. [PMID: 26684078 DOI: 10.1021/acsami.5b09753] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
Abstract
Plasmonic systems based on particle-film plasmonic couplings have recently attracted great attention because of the significantly enhanced electric field at the particle-film gaps. Here, we introduce a hybrid plasmonic architecture utilizing combined plasmonic effects of particle-film gap plasmons and silver film over nanosphere (AgFON) substrates. When gold nanoparticles (AuNPs) are assembled on AgFON substrates with controllable particle-film gap distances, the AuNP-AgFON system supports multiple plasmonic couplings from interparticle, particle-film, and crevice gaps, resulting in a huge surface-enhanced Raman spectroscopy (SERS) effect. We show that the periodicity of AgFON substrates and the particle-film gaps greatly affects the surface plasmon resonances, and thus, the SERS effects due to the interplay between multiple plasmonic couplings. The optimally designed AuNP-AgFON substrate shows a SERS enhancement of 233 times compared to the bare AgFON substrate. The ultrasensitive SERS sensing capability is also demonstrated by detecting glutathione, a neurochemical molecule that is an important antioxidant, down to the 10 pM level.
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Affiliation(s)
- Jiwon Lee
- School of Energy and Chemical Engineering, Ulsan National Institute of Science & Technology (UNIST) , Ulsan 44919, Republic of Korea
| | - Qianpeng Zhang
- Department of Electronic & Computer Engineering, Hong Kong University of Science & Technology (HKUST) , Hong Kong SAR, China
| | - Seungyoung Park
- School of Energy and Chemical Engineering, Ulsan National Institute of Science & Technology (UNIST) , Ulsan 44919, Republic of Korea
| | - Ayoung Choe
- School of Energy and Chemical Engineering, Ulsan National Institute of Science & Technology (UNIST) , Ulsan 44919, Republic of Korea
| | - Zhiyong Fan
- Department of Electronic & Computer Engineering, Hong Kong University of Science & Technology (HKUST) , Hong Kong SAR, China
| | - Hyunhyub Ko
- School of Energy and Chemical Engineering, Ulsan National Institute of Science & Technology (UNIST) , Ulsan 44919, Republic of Korea
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28
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Lengert E, Yashchenok AM, Atkin V, Lapanje A, Gorin DA, Sukhorukov GB, Parakhonskiy BV. Hollow silver alginate microspheres for drug delivery and surface enhanced Raman scattering detection. RSC Adv 2016. [DOI: 10.1039/c6ra02019d] [Citation(s) in RCA: 33] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022] Open
Abstract
Multifunctional silver alginate hydrogel microspheres are assembled via a template assisted approach using calcium carbonate cores.
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Affiliation(s)
- Ekaterina Lengert
- Remote Controlled Theranostic Systems Lab
- Institute of Nanostructures and Biosystem
- Saratov State University
- Saratov
- Russia
| | - Alexey M. Yashchenok
- Remote Controlled Theranostic Systems Lab
- Institute of Nanostructures and Biosystem
- Saratov State University
- Saratov
- Russia
| | - Vsevolod Atkin
- Remote Controlled Theranostic Systems Lab
- Institute of Nanostructures and Biosystem
- Saratov State University
- Saratov
- Russia
| | - Ales Lapanje
- Remote Controlled Theranostic Systems Lab
- Institute of Nanostructures and Biosystem
- Saratov State University
- Saratov
- Russia
| | - Dmitry A. Gorin
- Remote Controlled Theranostic Systems Lab
- Institute of Nanostructures and Biosystem
- Saratov State University
- Saratov
- Russia
| | - Gleb B. Sukhorukov
- School of Engineering and Materials Science
- Queen Mary University of London
- London
- UK
| | - Bogdan V. Parakhonskiy
- Remote Controlled Theranostic Systems Lab
- Institute of Nanostructures and Biosystem
- Saratov State University
- Saratov
- Russia
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29
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Ag-nanoparticles on UF-microsphere as an ultrasensitive SERS substrate with unique features for rhodamine 6G detection. Talanta 2016; 146:533-9. [DOI: 10.1016/j.talanta.2015.09.024] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2015] [Revised: 09/07/2015] [Accepted: 09/10/2015] [Indexed: 01/27/2023]
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Trojanowska A, Pazos-Perez N, Panisello C, Gumi T, Guerrini L, Alvarez-Puebla RA. Plasmonic-polymer hybrid hollow microbeads for surface-enhanced Raman scattering (SERS) ultradetection. J Colloid Interface Sci 2015; 460:128-34. [PMID: 26319329 DOI: 10.1016/j.jcis.2015.08.047] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2015] [Revised: 08/20/2015] [Accepted: 08/22/2015] [Indexed: 11/20/2022]
Abstract
Hybrid composites are known to add functionality to plasmonic nanomaterials. Although these substrates can be produced by common synthetic methods, the percentage of metal loaded into the functional material is usually small. Herein, we exploit a phase inversion precipitation method to incorporate large amounts of silver nanoparticles inside the polymeric matrix of polysulfone microbeads. The composite material combines the high SERS activity resulting from the plasmonic coupling of highly interacting nanoparticles and the ability to accumulate analytes of the polysulfone porous support. This allows for the quantitative SERS detection down to the nanomolar level, with a liner response that extends over an impressive concentration range of five orders of magnitude.
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Affiliation(s)
- Anna Trojanowska
- Departament d'Enginyeria Química, Escola Tècnica Superior d'Enginyeria Química, Universitat Rovira i Virgili, Av. Països Catalans, 26, 43007 Tarragona, Spain; Centro de Tecnologia Quimica de Cataluña and Universitat Rovira i Virgili, Carrer de Marcel•lí Domingo s/n, 43007 Tarragona, Spain
| | - Nicolas Pazos-Perez
- Centro de Tecnologia Quimica de Cataluña and Universitat Rovira i Virgili, Carrer de Marcel•lí Domingo s/n, 43007 Tarragona, Spain; Medcom Advance SA, Viladecans Business Park - Edificio Brasil, Bertran i Musitu 83-85, 08840 Viladecans - Barcelona, Spain
| | - Cinta Panisello
- Centro de Tecnologia Quimica de Cataluña and Universitat Rovira i Virgili, Carrer de Marcel•lí Domingo s/n, 43007 Tarragona, Spain
| | - Tania Gumi
- Departament d'Enginyeria Química, Escola Tècnica Superior d'Enginyeria Química, Universitat Rovira i Virgili, Av. Països Catalans, 26, 43007 Tarragona, Spain
| | - Luca Guerrini
- Centro de Tecnologia Quimica de Cataluña and Universitat Rovira i Virgili, Carrer de Marcel•lí Domingo s/n, 43007 Tarragona, Spain; Medcom Advance SA, Viladecans Business Park - Edificio Brasil, Bertran i Musitu 83-85, 08840 Viladecans - Barcelona, Spain.
| | - Ramon A Alvarez-Puebla
- Centro de Tecnologia Quimica de Cataluña and Universitat Rovira i Virgili, Carrer de Marcel•lí Domingo s/n, 43007 Tarragona, Spain; Medcom Advance SA, Viladecans Business Park - Edificio Brasil, Bertran i Musitu 83-85, 08840 Viladecans - Barcelona, Spain; ICREA, Passeig Lluís Companys 23, 08010 Barcelona, Spain.
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31
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Zengin A, Tamer U, Caykara T. A new plasmonic device made of gold nanoparticles and temperature responsive polymer brush on a silicon substrate. J Colloid Interface Sci 2015; 448:215-21. [DOI: 10.1016/j.jcis.2015.02.027] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2014] [Revised: 02/07/2015] [Accepted: 02/09/2015] [Indexed: 10/24/2022]
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32
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Fateixa S, Nogueira HIS, Trindade T. Hybrid nanostructures for SERS: materials development and chemical detection. Phys Chem Chem Phys 2015; 17:21046-71. [PMID: 25960180 DOI: 10.1039/c5cp01032b] [Citation(s) in RCA: 130] [Impact Index Per Article: 14.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
This review focuses on recent developments in hybrid and nanostructured substrates for SERS (surface-enhanced Raman scattering) studies. Thus substrates composed of at least two distinct types of materials, in which one is a SERS active metal, are considered here aiming at their use as platforms for chemical detection in a variety of contexts. Fundamental aspects related to the SERS effect and plasmonic behaviour of nanometals are briefly introduced. The materials described include polymer nanocomposites containing metal nanoparticles and coupled inorganic nanophases. Chemical approaches to tailor the morphological features of these substrates in order to get high SERS activity are reviewed. Finally, some perspectives for practical applications in the context of chemical detection of analytes using such hybrid platforms are presented.
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Affiliation(s)
- Sara Fateixa
- Department of Chemistry-CICECO University of Aveiro, 3810-193 Aveiro, Portugal.
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33
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Fateixa S, Soares SF, Daniel-da-Silva AL, Nogueira HIS, Trindade T. Silver-gelatine bionanocomposites for qualitative detection of a pesticide by SERS. Analyst 2015; 140:1693-701. [DOI: 10.1039/c4an02105c] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Gelatine based nanocomposites incorporating Ag nanoparticles as a new SERS platform for the detection of diethyldithiocarbamate (EtDTC), aiming controlled release applications.
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Affiliation(s)
- S. Fateixa
- Department of Chemistry and CICECO
- University of Aveiro
- 3810-193 Aveiro
- Portugal
| | - S. F. Soares
- Department of Chemistry and CICECO
- University of Aveiro
- 3810-193 Aveiro
- Portugal
| | | | - H. I. S. Nogueira
- Department of Chemistry and CICECO
- University of Aveiro
- 3810-193 Aveiro
- Portugal
| | - T. Trindade
- Department of Chemistry and CICECO
- University of Aveiro
- 3810-193 Aveiro
- Portugal
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34
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Yang L, Li P, Liu J. Progress in multifunctional surface-enhanced Raman scattering substrate for detection. RSC Adv 2014. [DOI: 10.1039/c4ra09231g] [Citation(s) in RCA: 56] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022] Open
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35
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He X, Wang H, Zhang Q, Li Z, Wang X. Exotic 3D Hierarchical ZnO-Ag Hybrids as Recyclable Surface-Enhanced Raman Scattering Substrates for Multifold Organic Pollutant Detection. Eur J Inorg Chem 2014. [DOI: 10.1002/ejic.201402014] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
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36
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Raza A, Saha B. In situ silver nanoparticles synthesis in agarose film supported on filter paper and its application as highly efficient SERS test stripes. Forensic Sci Int 2014; 237:e42-6. [PMID: 24582080 DOI: 10.1016/j.forsciint.2014.01.019] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2013] [Revised: 01/23/2014] [Accepted: 01/27/2014] [Indexed: 01/05/2023]
Abstract
Highly efficient multifunctional agarose SERS test stripes has been fabricated by a convenient facile approach. SERS stripes were found to be highly sensitive, robust, and capable to alleviate the two major drawbacks of filter paper based SERS substrate i.e. the weak adhesion of plasmonic nanoparticles and the diffusion of analyte into the paper surface. The fabricated stripes have been used successfully for the ultra-trace detection of analytes of forensic interest including a dye, pesticide and explosive.
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Affiliation(s)
- Ali Raza
- Department of Chemistry, University of Delhi, Delhi, Delhi 110007, India
| | - Basudeb Saha
- Department of Chemistry, University of Delhi, Delhi, Delhi 110007, India; Department of Chemistry, Purdue University, 560 Oval Drive, West Lafayette, IN 47906, USA.
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37
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Gong Z, Wang C, Wang C, Tang C, Cheng F, Du H, Fan M, Brolo AG. A silver nanoparticle embedded hydrogel as a substrate for surface contamination analysis by surface-enhanced Raman scattering. Analyst 2014; 139:5283-9. [DOI: 10.1039/c4an00968a] [Citation(s) in RCA: 34] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
A surface enhanced Raman scattering (SERS) hydrogel substrate, capable of extracting small amounts of organic species from surfaces of different types of materials with variable roughness, has been fabricated.
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Affiliation(s)
- Zhengjun Gong
- Faculty of Geosciences and Environmental Engineering
- Southwest Jiaotong University
- Chengdu, China
| | - Canchen Wang
- Faculty of Geosciences and Environmental Engineering
- Southwest Jiaotong University
- Chengdu, China
- Chengdu Development Center of Science and Technology
- China Academy of Engineering Physics
| | - Cong Wang
- Chengdu Development Center of Science and Technology
- China Academy of Engineering Physics
- Chengdu, China
| | - Changyu Tang
- Chengdu Development Center of Science and Technology
- China Academy of Engineering Physics
- Chengdu, China
| | - Fansheng Cheng
- Chengdu Development Center of Science and Technology
- China Academy of Engineering Physics
- Chengdu, China
| | - Hongjie Du
- Faculty of Geosciences and Environmental Engineering
- Southwest Jiaotong University
- Chengdu, China
- Chengdu Development Center of Science and Technology
- China Academy of Engineering Physics
| | - Meikun Fan
- Faculty of Geosciences and Environmental Engineering
- Southwest Jiaotong University
- Chengdu, China
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38
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Ma X, Xia Y, Ni L, Song L, Wang Z. Preparation of gold nanoparticles-agarose gel composite and its application in SERS detection. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2013; 121:657-661. [PMID: 24368285 DOI: 10.1016/j.saa.2013.11.111] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/04/2013] [Revised: 11/25/2013] [Accepted: 11/28/2013] [Indexed: 06/03/2023]
Abstract
Agarose gel/gold nanoparticles hybrid was prepared by adding gold nanoparticles to preformed agarose gel. Nanocomposite structures and properties were characterized by transmission electron microscopy (TEM), scanning electron microscopy (SEM), and UV-Vis-NIR absorption spectroscopy. Based on the swelling-contraction characteristics of agarose gel and the adjustable localized surface plasmon resonance (LSPR) of the gold nanoparticles, the nanocomposites were used as surface enhanced Raman scattering (SERS) substrate to detect the Raman signal molecules (NBA, MBA, 1NAT). Results revealed that the porous structure of the agarose gel provided a good carrier for the enrichment of the gold nanoparticles. The gold nanoparticles dynamic hot-spot effect arising from the agarose gel contraction loss of water in the air greatly enhanced the Raman signal. Furthermore, the gel could be cleaned with washing solution and recycling could be achieved for Raman detection.
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Affiliation(s)
- Xiaoyuan Ma
- State Key Laboratory of Food Science and Technology, School of Food Science and Technology, Jiangnan University, Wuxi 214122, PR China; The State Key Laboratory of Bioelectronics, Southeast University, Nanjing 210096, PR China; Synergetic Innovation Center of Food Safety and Nutrition, Jiangnan University, Wuxi 214122, PR China
| | - Yu Xia
- State Key Laboratory of Food Science and Technology, School of Food Science and Technology, Jiangnan University, Wuxi 214122, PR China; Synergetic Innovation Center of Food Safety and Nutrition, Jiangnan University, Wuxi 214122, PR China
| | - Lili Ni
- State Key Laboratory of Food Science and Technology, School of Food Science and Technology, Jiangnan University, Wuxi 214122, PR China
| | - Liangjing Song
- State Key Laboratory of Food Science and Technology, School of Food Science and Technology, Jiangnan University, Wuxi 214122, PR China
| | - Zhouping Wang
- State Key Laboratory of Food Science and Technology, School of Food Science and Technology, Jiangnan University, Wuxi 214122, PR China; Synergetic Innovation Center of Food Safety and Nutrition, Jiangnan University, Wuxi 214122, PR China.
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39
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Silver nanoparticles doped agarose disk: Highly sensitive surface-enhanced Raman scattering substrate for in situ analysis of ink dyes. Forensic Sci Int 2013; 233:21-7. [DOI: 10.1016/j.forsciint.2013.08.004] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2013] [Revised: 07/28/2013] [Accepted: 08/05/2013] [Indexed: 11/22/2022]
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40
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Fu X, Zhang G, Wu T, Wang S. Multifunctional gold-loaded TiO2 thin film: photocatalyst and recyclable SERS substrate. CAN J CHEM 2013. [DOI: 10.1139/cjc-2013-0234] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
A simple strategy for synthesizing gold-loaded TiO2 thin film (Au/TiO2) for use as multifunctional photocatalyst and recyclable surface-enhanced Raman scattering (SERS) substrate is introduced. Macroporous TiO2 thin film is prepared through the dip-coating method and made the SERS activity by deposition of gold nanoparticles on its surface. Owing to the high photocatalytic activity of TiO2, the substrate can degrade adsorbates into small inorganic molecules under UV irradiation. In this manner, the substrate is able to self-clean and be reused for a new SERS detection cycle. The photodegradation and SERS experimental results show that Au/TiO2 is a good candidate for both photocatalyst and SERS substrate and exhibits high recyclability in the detection of organic pollutants.
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Affiliation(s)
- Xiaoqi Fu
- School of Chemistry and Chemical Engineering, Jiangsu University, Zhenjiang 212013, P.R. China
| | - Guolin Zhang
- School of Chemistry and Chemical Engineering, Jiangsu University, Zhenjiang 212013, P.R. China
| | - Tingshuang Wu
- School of Chemistry and Chemical Engineering, Jiangsu University, Zhenjiang 212013, P.R. China
| | - Shuang Wang
- School of Material Science and Engineering, Jiangsu University, Zhenjiang 212013, P.R. China
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41
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Abstract
Hydrogels have had extensive applications in scientific and industrial applications since their invention over 50 years ago. Responsive hydrogels based on temperature, light, and pH stimuli have been developed by changing the chemical components of the matrix structure. On the other hand, metallic nanoparticles of different shapes and sizes have been prepared by physical as well as chemical methods. These inorganic assemblies are currently widely used in the biomedical sciences and engineering fields. Recently, the combined use of hydrogels and nanoparticles in a single entity has gained enormous attention in areas such as catalysts, surface-enhanced Raman scattering, biosensors, and drug delivery. In this review, recent literature describing these technologies is summarized and an outlook on the promising future of this emerging field is provided.
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42
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Shin K, Ryu K, Lee H, Kim K, Chung H, Sohn D. Au nanoparticle-encapsulated hydrogel substrates for robust and reproducible SERS measurement. Analyst 2013; 138:932-8. [DOI: 10.1039/c2an35862j] [Citation(s) in RCA: 31] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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43
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Kaya M, Volkan M. New Approach for the Surface Enhanced Resonance Raman Scattering (SERRS) Detection of Dopamine at Picomolar (pM) Levels in the Presence of Ascorbic Acid. Anal Chem 2012; 84:7729-35. [DOI: 10.1021/ac3010428] [Citation(s) in RCA: 69] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Affiliation(s)
- Murat Kaya
- Department of Chemical Engineering
and Applied Chemistry, Atilim University, TR-06800 Ankara, Turkey
| | - Mürvet Volkan
- Department of Chemistry, Middle East Technical University, TR-06531 Ankara, Turkey
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44
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Li X, Hu H, Li D, Shen Z, Xiong Q, Li S, Fan HJ. Ordered array of gold semishells on TiO2 spheres: an ultrasensitive and recyclable SERS substrate. ACS APPLIED MATERIALS & INTERFACES 2012; 4:2180-5. [PMID: 22471731 DOI: 10.1021/am300189n] [Citation(s) in RCA: 62] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/20/2023]
Abstract
Ordered array of Au semishells on TiO(2) spheres with controlled size are prepared by combining the nanosphere self-assembly and atomic layer deposition (ALD). This ordered 2-D structure with designed array of metal nanogaps can be used as an ultrasensitive surface-enhanced Raman scattering (SERS) substrate with high reproducibility and stability. More importantly, the SERS substrates are recyclable, as enabled by their self-cleaning function due to the TiO(2) photocatalytic degradation of the target molecules. The high SERS sensitivity and recyclability are demonstrated by the detection of Rhodamine 6G (R6G) and brilliant cresyl blue (BCB) molecules. As both the nanosphere lithography and ALD are scalable processes, such 2-D ordered substrates may find applications in chemical sensing.
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Affiliation(s)
- Xianglin Li
- Division of Physics and Applied Physics, School of Physical and Mathematical Sciences, Nanyang Technological University, 637371, Singapore
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45
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Lin Y, Bunker CE, Fernando KAS, Connell JW. Aqueously dispersed silver nanoparticle-decorated boron nitride nanosheets for reusable, thermal oxidation-resistant surface enhanced Raman spectroscopy (SERS) devices. ACS APPLIED MATERIALS & INTERFACES 2012; 4:1110-1117. [PMID: 22280102 DOI: 10.1021/am201747d] [Citation(s) in RCA: 63] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/31/2023]
Abstract
The impurity-free aqueous dispersions of boron nitride nanosheets (BNNS) allowed the facile preparation of silver (Ag) nanoparticle-decorated BNNS by chemical reduction of an Ag salt with hydrazine in the presence of BNNS. The resultant Ag-BNNS nanohybrids remained dispersed in water, allowing convenient subsequent solution processing. By using substrate transfer techniques, Ag-BNNS nanohybrid thin film coatings on quartz substrates were prepared and evaluated as reusable surface enhanced Raman spectroscopy (SERS) sensors that were robust against repeated solvent washing. In addition, because ofthe unique thermal oxidation-resistant properties of the BNNS, the sensor devices may be readily recycled by short-duration high temperature air oxidation to remove residual analyte molecules in repeated runs. The limiting factor associated with the thermal oxidation recycling process was the Ostwald ripening effect of Ag nanostructures.
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Affiliation(s)
- Yi Lin
- National Institute of Aerospace, 100 Exploration Way, Hampton, Virginia 23666-6147, USA.
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46
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Zhai WL, Li DW, Qu LL, Fossey JS, Long YT. Multiple depositions of Ag nanoparticles on chemically modified agarose films for surface-enhanced Raman spectroscopy. NANOSCALE 2012; 4:137-142. [PMID: 22064940 DOI: 10.1039/c1nr10956a] [Citation(s) in RCA: 54] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/27/2023]
Abstract
A facile and cost-effective approach for the preparation of a surface-enhanced Raman spectroscopy (SERS) substrate through constructing silver nanoparticle/3-aminopropyltriethoxysilane/agarose films (Ag NPs/APTES/Agar film) on various solid supports is described. The SERS performance of the substrate was systematically investigated, revealing a maximum SERS intensity with four layers of the Ag NP deposition. The enhancement factor of the developed substrate was calculated as 1.5 × 10(7) using rhodamine 6G (R6G) as the probe molecule, and the reproducibility of the SERS signals was established. A high throughput screening platform was designed, manufactured and implemented which utilised the ability to cast agarose to assemble arrays. Quantitative analysis of 4-aminobenzoic acid (4-ABA) and 4-aminothiophenol (4-ATP) was achieved over a ∼0.5 nM-0.1 μM range.
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Affiliation(s)
- Wen-Lei Zhai
- Key Laboratory for Advanced Materials & Department of Chemistry, East China University of Science 4 and Technology, Shanghai 200237, P.R. China
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47
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Alvarez-Puebla RA, Liz-Marzán LM. Traps and cages for universal SERS detection. Chem Soc Rev 2012; 41:43-51. [DOI: 10.1039/c1cs15155j] [Citation(s) in RCA: 264] [Impact Index Per Article: 22.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
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48
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Ding Q, Liu H, Yang L, Liu J. Speedy and surfactant-free in situ synthesis of nickel/Ag nanocomposites for reproducible SERS substrates. ACTA ACUST UNITED AC 2012. [DOI: 10.1039/c2jm33200k] [Citation(s) in RCA: 32] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
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49
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Cheng ML, Tsai BC, Yang J. Silver nanoparticle-treated filter paper as a highly sensitive surface-enhanced Raman scattering (SERS) substrate for detection of tyrosine in aqueous solution. Anal Chim Acta 2011; 708:89-96. [PMID: 22093349 DOI: 10.1016/j.aca.2011.10.013] [Citation(s) in RCA: 74] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2011] [Revised: 10/01/2011] [Accepted: 10/09/2011] [Indexed: 11/24/2022]
Abstract
Highly sensitive SERS substrates based on deposition of silver nanoparticles on commercially available filter paper were prepared in this work, and used to overcome problems found in analyses of aqueous samples. To prepare silver nanoparticle- (AgNP) doped filter substrates, a silver mirror reaction was used. The procedures for substrate preparation were systematically optimized. Pretreatment of filter paper, reaction time, temperature, and concentration of reagents for silver mirror reactions were studied. The morphologies of the resulting substrates were characterized by field-emission scanning electron microscopy (FE-SEM) and correlated with the SERS signals by probing with p-nitrothiophenol (pNTP). Filter papers with different pretreatments were found to have different sizes and distributions of AgNPs. The best performance was found when filter paper was pre-treated with ammonia solution before growth of AgNPs. Based on the SEM images, the resulting AgNPs had roughly spherical shape with a high degree of uniformity. The silver-coated filter paper substrates provide much higher SERS signals compared to glass substrates and the reproducibility was improved significantly. Based on statistical analyses, the relative standard deviations for substrate-to-substrate and spot-to-spot were both were less than 8% and the enhancement factors for the substrates were, in general, higher than 107. The SERS substrates were used to selectively detect tyrosine in aqueous solution. Results indicate that filter-based SERS substrates are highly suited to detection of tyrosine. Compared to glass-based SERS substrates, 50 times more SERS signal was observed in detection of tyrosine. The linear range can be up to 100 μM with a detection limit of 625 nM (SN(-1)=3).
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Affiliation(s)
- Min-Liang Cheng
- Department of Chemistry, National Chung-Hsing University, Taichung 402, Taiwan
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Sinha G, Depero LE, Alessandri I. Recyclable SERS substrates based on Au-coated ZnO nanorods. ACS APPLIED MATERIALS & INTERFACES 2011; 3:2557-63. [PMID: 21634790 DOI: 10.1021/am200396n] [Citation(s) in RCA: 127] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/18/2023]
Abstract
Vertically aligned Au-coated ZnO nanorods (Au-ZnO NRs) were investigated as cheap, efficient and recyclable SERS-active substrates. The ZnO NRs were prepared through a simple, low-temperature hydrothermal route and made SERS-active through deposition of gold nanoislands by sputtering at room temperature. Optimized samples were able to detect methylene blue over a wide range of low concentrations (from 1 × 10(-4) to 1 × 10(-12) M), with good reproducibility. The photocatalytic properties of Au-ZnO NRs were exploited to recycle these substrates through UV-assisted cleaning. The experimental results showed that these substrates are characterized by high reproducibility and long shelf life, which make them promising as SERS platforms for multiple detection of different molecular species.
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Affiliation(s)
- Godhuli Sinha
- INSTM and Chemistry for Technologies Laboratory, University of Brescia, via Branze 38, 25123 Brescia, Italy
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