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Hu H, Zhang Y, Hu Y, Xia L, Li G. Silver nanoparticles modified sulfur-containing POSS polymer membrane substrate for adsorption and surface-enhanced Raman scattering analysis of chrysoidine in food samples. Talanta 2024; 271:125653. [PMID: 38218057 DOI: 10.1016/j.talanta.2024.125653] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2023] [Revised: 01/04/2024] [Accepted: 01/07/2024] [Indexed: 01/15/2024]
Abstract
In analysis of complex samples, the stability and sensitivity of surface-enhanced Raman scattering (SERS) substrates may be compromised by matrix interference. To address this issue, a membrane substrate was prepared for fast enrichment, separation, and detection of chrysoidine all-in-one. The silver nanoparticles modified sulfur-containing POSS polymer (AgNPs/POSS-P-S) SERS membrane substrate was fabricated using polyhedral oligomeric silsesquioxane (POSS) as support materials. Through in-situ growth, AgNPs were uniformly modified on POSS-P-S to ensure the stability and SERS activity of the membrane substrate. The enhancement factor of the malachite green was up to 5.3 × 105. By loading the AgNPs/POSS-P-S on membrane, on the other hand, the SERS membrane substrate can also serve as an adsorption medium for separating chrysoidine from sample matrix. Furthermore, the specific sensing mechanism of AgNPs/POSS-P-S for chrysoidine was investigated and a fast, sensitive, and selective method for its quantification was established, with a linear range of 0.010-2.0 mg/L and the limits of detection at 3.7 μg/L. In addition, the SERS method was successfully applied for the analysis of chrysoidine in beverages and chili products with the recoveries in the range of 83.5%-113.4 % and the relative standard deviations in 3.2%-9.0 %. The proposed AgNPs/POSS-P-S membrane based SRES method has great potential for rapid chrysoidine analysis in food samples.
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Affiliation(s)
- Hongzhi Hu
- School of Chemistry, Sun Yat-sen University, Guangzhou 510006, China
| | - Yanshu Zhang
- School of Chemistry, Sun Yat-sen University, Guangzhou 510006, China
| | - Yufei Hu
- School of Chemistry, Sun Yat-sen University, Guangzhou 510006, China
| | - Ling Xia
- School of Chemistry, Sun Yat-sen University, Guangzhou 510006, China.
| | - Gongke Li
- School of Chemistry, Sun Yat-sen University, Guangzhou 510006, China.
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2
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Ebbah E, Amissah A, Kim JH, Driskell JD. SERS-based immunoassay on a plasmonic syringe filter for improved sampling and labeling efficiency of biomarkers. Analyst 2023; 149:221-230. [PMID: 38018888 DOI: 10.1039/d3an01899g] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2023]
Abstract
Rapid, sensitive, and quantitative detection of biomarkers is needed for early diagnosis of disease and surveillance of infectious outbreaks. Here, we exploit a plasmonic syringe filter and surface-enhanced Raman spectroscopy (SERS) in the development of a rapid detection system, using human IgG as a model diagnostic biomarker. The novel assay design facilitates multiple passages of the sample and labeling solution through the detection zone enabling us to investigate and maximize sampling efficiency to the capture substrate. The vertical flow immunoassay process in this study involves the utilization of filter paper embedded with gold nanoparticles (AuNPs) to form a plasmonic substrate. Capture antibody (anti-human IgG) is then immobilized onto the prepared plasmonic paper and inserted into a vertical flow device (syringe filter holder). Sample solution is passed through the filter paper and the target antigen (human IgG) is selectively captured by the immobilized antibody to form an antibody-antigen complex. Next, functionalized AuNPs as extrinsic Raman labels (ERLs) are passed through the filter paper to label the captured biomarker molecules forming a layered structure. This sandwiched geometry enhances plasmonic coupling and SERS signal to provide highly sensitive detection of biomolecules. Systematic studies to investigate the impact of multiple infuse/withdraw cycles of the sample and labeling solutions reveal that antigen and ERL binding are maximized with 10 and 20 cycles, respectively. The optimized assay achieves a detection limit of ∼0.2 ng mL-1 for human IgG with a total assay time of less than 5 minutes, meeting the demands for rapid point of care diagnostics. Additionally, the optimized platform was implemented in the quantitative analysis of the SARS-CoV-2 nucleocapsid protein, the typical target in commercial, FDA-approved rapid antigen tests for COVID-19.
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Affiliation(s)
- Eunice Ebbah
- Department of Chemistry, Illinois State University, Normal, IL 61790, USA.
| | - Anthony Amissah
- Department of Chemistry, Illinois State University, Normal, IL 61790, USA.
| | - Jun-Hyun Kim
- Department of Chemistry, Illinois State University, Normal, IL 61790, USA.
| | - Jeremy D Driskell
- Department of Chemistry, Illinois State University, Normal, IL 61790, USA.
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3
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Ilyas A, Dyussupova A, Sultangaziyev A, Shevchenko Y, Filchakova O, Bukasov R. SERS immuno- and apta-assays in biosensing/bio-detection: Performance comparison, clinical applications, challenges. Talanta 2023; 265:124818. [PMID: 37453393 DOI: 10.1016/j.talanta.2023.124818] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2023] [Revised: 06/09/2023] [Accepted: 06/12/2023] [Indexed: 07/18/2023]
Abstract
Surface Enhanced Raman Spectroscopy is increasingly used as a sensitive bioanalytical tool for detection of variety of analytes ranging from viruses and bacteria to cancer biomarkers and toxins, etc. This comprehensive review describes principles of operation and compares the performance of immunoassays and aptamer assays with Surface Enhanced Raman scattering (SERS) detection to each other and to some other bioassay methods, including ELISA and fluorescence assays. Both immuno- and aptamer-based assays are categorized into assay on solid substrates, assays with magnetic nanoparticles and assays in laminar flow or/and strip assays. The best performing and recent examples of assays in each category are described in the text and illustrated in the figures. The average performance, particularly, limit of detection (LOD) for each of those methods reflected in 9 tables of the manuscript and average LODs are calculated and compared. We found out that, on average, there is some advantage in terms of LOD for SERS immunoassays (0.5 pM median LOD of 88 papers) vs SERS aptamer-based assays (1.7 pM median LOD of 51 papers). We also tabulated and analyzed the clinical performance of SERS immune and aptamer assays, where selectivity, specificity, and accuracy are reported, we summarized the best examples. We also reviewed challenges to SERS bioassay performance and real-life application, including non-specific protein binding, nanoparticle aggregation, limited nanotag stability, sometimes, relatively long time to results, etc. The proposed solutions to those challenges are also discussed in the review. Overall, this review may be interesting not only to bioanalytical chemist, but to medical and life science researchers who are interested in improvement of bioanalyte detection and diagnostics.
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Affiliation(s)
- Aisha Ilyas
- Department of Chemistry, SSH, Nazarbayev University, Astana, Kazakhstan
| | | | | | - Yegor Shevchenko
- Department of Chemistry, SSH, Nazarbayev University, Astana, Kazakhstan
| | - Olena Filchakova
- Department of Biology, SSH, Nazarbayev University, Astana, Kazakhstan
| | - Rostislav Bukasov
- Department of Chemistry, SSH, Nazarbayev University, Astana, Kazakhstan.
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Aluminum Foil vs. Gold Film: Cost-Effective Substrate in Sandwich SERS Immunoassays of Biomarkers Reveals Potential for Selectivity Improvement. Int J Mol Sci 2023; 24:ijms24065578. [PMID: 36982652 PMCID: PMC10051902 DOI: 10.3390/ijms24065578] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2023] [Revised: 03/09/2023] [Accepted: 03/10/2023] [Indexed: 03/17/2023] Open
Abstract
The first application of aluminum foil (Al F) as a low-cost/high-availability substrate for sandwich immunoassay using surface-enhanced Raman spectroscopy (SERS) is reported. Untreated and unmodified Al F and gold film are used as substrates for sandwich SERS immunoassay to detect tuberculosis biomarker MPT64 and human immunoglobulin (hIgG) in less than 24 h. The limits of detection (LODs) for tuberculosis (TB) biomarker MPT64 on Al foil, obtained with commercial antibodies, are about 1.8–1.9 ng/mL, which is comparable to the best LOD (2.1 ng/mL) reported in the literature for sandwich ELISA, made with fresh in-house antibodies. Not only is Al foil competitive with traditional SERS substrate gold for the sandwich SERS immunoassay in terms of LOD, which is in the range 18–30 pM or less than 1 pmol of human IgG, but it also has a large cost/availability advantage over gold film. Moreover, human IgG assays on Al foil and Si showed better selectivity (by about 30–70% on Al foil and at least eightfold on Si) and a nonspecific response to rat or rabbit IgG, in comparison to the selectivity in assays using gold film.
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Abstract
Recent global warming has resulted in shifting of weather patterns and led to intensification of natural disasters and upsurges in pests and diseases. As a result, global food systems are under pressure and need adjustments to meet the change—often by pesticides. Unfortunately, such agrochemicals are harmful for humans and the environment, and consequently need to be monitored. Traditional detection methods currently used are time consuming in terms of sample preparation, are high cost, and devices are typically not portable. Recently, Surface Enhanced Raman Scattering (SERS) has emerged as an attractive candidate for rapid, high sensitivity and high selectivity detection of contaminants relevant to the food industry and environmental monitoring. In this review, the principles of SERS as well as recent SERS substrate fabrication methods are first discussed. Following this, their development and applications for agrifood safety is reviewed, with focus on detection of dye molecules, melamine in food products, and the detection of different classes of pesticides such as organophosphate and neonicotinoids.
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Kim E, Lim EK, Park G, Park C, Lim JW, Lee H, Na W, Yeom M, Kim J, Song D, Haam S. Advanced Nanomaterials for Preparedness Against (Re-)Emerging Viral Diseases. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2021; 33:e2005927. [PMID: 33586180 DOI: 10.1002/adma.202005927] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/31/2020] [Revised: 10/08/2020] [Indexed: 05/24/2023]
Abstract
While the coronavirus disease (COVID-19) accounts for the current global pandemic, the emergence of other unknown pathogens, named "Disease X," remains a serious concern in the future. Emerging or re-emerging pathogens continue to pose significant challenges to global public health. In response, the scientific community has been urged to create advanced platform technologies to meet the ever-increasing needs presented by these devastating diseases with pandemic potential. This review aims to bring new insights to allow for the application of advanced nanomaterials in future diagnostics, vaccines, and antiviral therapies, thereby addressing the challenges associated with the current preparedness strategies in clinical settings against viruses. The application of nanomaterials has advanced medicine and provided cutting-edge solutions for unmet needs. Herein, an overview of the currently available nanotechnologies is presented, highlighting the significant features that enable them to control infectious diseases, and identifying the challenges that remain to be addressed for the commercial production of nano-based products is presented. Finally, to conclude, the development of a nanomaterial-based system using a "One Health" approach is suggested. This strategy would require a transdisciplinary collaboration and communication between all stakeholders throughout the entire process spanning across research and development, as well as the preclinical, clinical, and manufacturing phases.
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Affiliation(s)
- Eunjung Kim
- Department of Bioengineering and Nano-Bioengineering, Incheon National University, Incheon, 22012, Republic of Korea
- Division of Bioengineering, Incheon National University, Incheon, 22012, Republic of Korea
| | - Eun-Kyung Lim
- BioNanotechnology Research Center, Korea Research Institute of Bioscience and Biotechnology (KRIBB), Daejeon, 34141, Republic of Korea
- Department of Nanobiotechnology, KRIBB School of Biotechnology, UST, Daejeon, 34113, Republic of Korea
| | - Geunseon Park
- Department of Chemical and Biomolecular Engineering, Yonsei University, 50 Yonsei-ro, Seoul, 03722, Republic of Korea
| | - Chaewon Park
- Department of Chemical and Biomolecular Engineering, Yonsei University, 50 Yonsei-ro, Seoul, 03722, Republic of Korea
| | - Jong-Woo Lim
- Department of Chemical and Biomolecular Engineering, Yonsei University, 50 Yonsei-ro, Seoul, 03722, Republic of Korea
| | - Hyo Lee
- Department of Chemical and Biomolecular Engineering, Yonsei University, 50 Yonsei-ro, Seoul, 03722, Republic of Korea
| | - Woonsung Na
- College of Veterinary Medicine, Chonnam National University, Gwangju, 61186, Republic of Korea
| | - Minjoo Yeom
- College of Pharmacy, Korea University, Sejong-ro, Sejong, 30019, Republic of Korea
| | - Jinyoung Kim
- Department of Chemical and Biomolecular Engineering, Yonsei University, 50 Yonsei-ro, Seoul, 03722, Republic of Korea
| | - Daesub Song
- College of Pharmacy, Korea University, Sejong-ro, Sejong, 30019, Republic of Korea
| | - Seungjoo Haam
- Department of Chemical and Biomolecular Engineering, Yonsei University, 50 Yonsei-ro, Seoul, 03722, Republic of Korea
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7
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Wu K, Chugh VK, Krishna VD, Girolamo AD, Wang YA, Saha R, Liang S, Cheeran MCJ, Wang JP. One-Step, Wash-free, Nanoparticle Clustering-Based Magnetic Particle Spectroscopy Bioassay Method for Detection of SARS-CoV-2 Spike and Nucleocapsid Proteins in the Liquid Phase. ACS APPLIED MATERIALS & INTERFACES 2021; 13:44136-44146. [PMID: 34499464 PMCID: PMC8442556 DOI: 10.1021/acsami.1c14657] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/02/2021] [Indexed: 05/04/2023]
Abstract
With the ongoing global pandemic of coronavirus disease 2019 (COVID-19), there is an increasing quest for more accessible, easy-to-use, rapid, inexpensive, and high-accuracy diagnostic tools. Traditional disease diagnostic methods such as qRT-PCR (quantitative reverse transcription-PCR) and ELISA (enzyme-linked immunosorbent assay) require multiple steps, trained technicians, and long turnaround time that may worsen the disease surveillance and pandemic control. In sight of this situation, a rapid, one-step, easy-to-use, and high-accuracy diagnostic platform will be valuable for future epidemic control, especially for regions with scarce medical resources. Herein, we report a magnetic particle spectroscopy (MPS) platform for the detection of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) biomarkers: spike and nucleocapsid proteins. This technique monitors the dynamic magnetic responses of magnetic nanoparticles (MNPs) and uses their higher harmonics as a measure of the nanoparticles' binding states. By anchoring polyclonal antibodies (pAbs) onto MNP surfaces, these nanoparticles function as nanoprobes to specifically bind to target analytes (SARS-CoV-2 spike and nucleocapsid proteins in this work) and form nanoparticle clusters. This binding event causes detectable changes in higher harmonics and allows for quantitative and qualitative detection of target analytes in the liquid phase. We have achieved detection limits of 1.56 nM (equivalent to 125 fmole) and 12.5 nM (equivalent to 1 pmole) for detecting SARS-CoV-2 spike and nucleocapsid proteins, respectively. This MPS platform combined with the one-step, wash-free, nanoparticle clustering-based assay method is intrinsically versatile and allows for the detection of a variety of other disease biomarkers by simply changing the surface functional groups on MNPs.
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Affiliation(s)
- Kai Wu
- Department of Electrical and Computer Engineering, University of Minnesota, Minneapolis, MN 55455, United States
| | - Vinit Kumar Chugh
- Department of Electrical and Computer Engineering, University of Minnesota, Minneapolis, MN 55455, United States
| | - Venkatramana D. Krishna
- Department of Veterinary Population Medicine, University of Minnesota, St. Paul, MN 55108, United States
| | - Arturo di Girolamo
- Department of Electrical and Computer Engineering, University of Minnesota, Minneapolis, MN 55455, United States
| | | | - Renata Saha
- Department of Electrical and Computer Engineering, University of Minnesota, Minneapolis, MN 55455, United States
| | - Shuang Liang
- Department of Chemical Engineering and Material Science, University of Minnesota, Minneapolis, MN 55455, United States
| | - Maxim C-J Cheeran
- Department of Veterinary Population Medicine, University of Minnesota, St. Paul, MN 55108, United States
| | - Jian-Ping Wang
- Department of Electrical and Computer Engineering, University of Minnesota, Minneapolis, MN 55455, United States
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8
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Okyem S, Awotunde O, Ogunlusi T, Riley MB, Driskell JD. High-Affinity Points of Interaction on Antibody Allow Synthesis of Stable and Highly Functional Antibody-Gold Nanoparticle Conjugates. Bioconjug Chem 2021; 32:1753-1762. [PMID: 34228917 DOI: 10.1021/acs.bioconjchem.1c00261] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
Many emerging nanobiotechnologies rely on the proper function of proteins immobilized on gold nanoparticles. Often, the surface chemistry of the AuNP is engineered to control the orientation, surface coverage, and structure of the adsorbed protein to maximize conjugate function. Here, we chemically modified antibody to investigate the effect of protein surface chemistries on adsorption to AuNPs. A monoclonal anti-horseradish peroxidase IgG antibody (anti-HRP) was reacted with N-succinimidyl acrylate (NSA) or reduced dithiobissuccinimidyl propionate (DSP) to modify lysine residues. Zeta potential measurements confirmed that both chemical modifications reduced the localized regions of positive charge on the protein surface, while the DSP modification incorporated additional free thiols. Dynamic light scattering confirmed that native and chemically modified antibodies adsorbed onto AuNPs to form bioconjugates; however, adsorption kinetics revealed that the NSA-modified antibody required significantly more time to allow for the formation of a hard corona. Moreover, conjugates formed with the NSA-modified antibody lost antigen-binding function, whereas unmodified and DSP-modified antibodies adsorbed onto AuNPs to form functional conjugates. These results indicate that high-affinity functional groups are required to prevent protein unfolding and loss of function when adsorbed on the AuNP surface. The reduced protein charge and high-affinity thiol groups on the DSP-modified antibody enabled pH-dependent control of protein orientation and the formation of highly active conjugates at solution pHs (<7.5) that are inaccessible with unmodified antibody due to conjugate aggregation. This study establishes parameters for protein modification to facilitate the formation of highly functional and stable protein-AuNP conjugates.
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Affiliation(s)
- Samuel Okyem
- Department of Chemistry, Illinois State University, Normal, Illinois 61790, United States
| | - Olatunde Awotunde
- Department of Chemistry, Illinois State University, Normal, Illinois 61790, United States
| | - Tosin Ogunlusi
- Department of Chemistry, Illinois State University, Normal, Illinois 61790, United States
| | - McKenzie B Riley
- Department of Chemistry, Illinois State University, Normal, Illinois 61790, United States
| | - Jeremy D Driskell
- Department of Chemistry, Illinois State University, Normal, Illinois 61790, United States
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9
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Affiliation(s)
- Falk Muench
- Department of Materials and Earth Sciences Technical University of Darmstadt Alarich-Weiss-Straße 2 64287 Darmstadt Germany
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10
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Okyem S, Awotunde O, Ogunlusi T, Riley MB, Driskell JD. Probing the Mechanism of Antibody-Triggered Aggregation of Gold Nanoparticles. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2021; 37:2993-3000. [PMID: 33621098 DOI: 10.1021/acs.langmuir.1c00100] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
The unique physicochemical properties of gold nanoparticles (AuNPs) provide many opportunities to develop novel biomedical technologies. The surface chemistry of AuNPs can be engineered to perform a variety of functions, including targeted binding, cellular uptake, or stealthlike properties through the immobilization of biomolecules, such as proteins. It is well established that proteins can spontaneously adsorb onto AuNPs, to form a stable and functional bioconjugate; however, the protein-AuNP interaction may result in the formation of less desirable protein-AuNP aggregates. Therefore, it is imperative to investigate the protein-AuNP interaction and elucidate the mechanism by which protein triggers AuNP aggregation. Herein, we systematically investigated the interaction of immunoglobulin G (IgG) antibody with citrate-capped AuNPs as a function of solution pH. We found that the addition of antibody triggers the aggregation of AuNPs for pH < 7.5, whereas a monolayer of antibody adsorbs onto the AuNP to form a stable bioconjugate when the antibody is added to AuNPs at pH ≥ 7.5. Our data identifies electrostatic bridging between the antibody and the negatively charged AuNPs as the mechanism by which aggregation occurs and rules out protein unfolding and surface charge depletion as potential causes. Furthermore, we found that the electrostatic bridging of AuNPs is reversible within the first few hours of interaction, but the protein-AuNP interactions strengthen over 24 h, after which the protein-AuNP aggregate is irreversibly formed. From this data, we developed a straightforward approach to acrylate the basic residues on the antibody to prevent protein-induced aggregation of AuNP over a wide pH range. The results of this study provide additional insight into antibody-nanoparticle interactions and provide a pathway to control the interaction with the potential to enhance the conjugate function.
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Affiliation(s)
- Samuel Okyem
- Department of Chemistry, Illinois State University, Normal, Illinois 61790, United States
| | - Olatunde Awotunde
- Department of Chemistry, Illinois State University, Normal, Illinois 61790, United States
| | - Tosin Ogunlusi
- Department of Chemistry, Illinois State University, Normal, Illinois 61790, United States
| | - McKenzie B Riley
- Department of Chemistry, Illinois State University, Normal, Illinois 61790, United States
| | - Jeremy D Driskell
- Department of Chemistry, Illinois State University, Normal, Illinois 61790, United States
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11
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Frimpong R, Jang W, Kim JH, Driskell JD. Rapid vertical flow immunoassay on AuNP plasmonic paper for SERS-based point of need diagnostics. Talanta 2021; 223:121739. [DOI: 10.1016/j.talanta.2020.121739] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2020] [Revised: 09/22/2020] [Accepted: 10/04/2020] [Indexed: 01/09/2023]
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12
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FEAST of biosensors: Food, environmental and agricultural sensing technologies (FEAST) in North America. Biosens Bioelectron 2021; 178:113011. [PMID: 33517232 DOI: 10.1016/j.bios.2021.113011] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2020] [Revised: 01/04/2021] [Accepted: 01/16/2021] [Indexed: 02/08/2023]
Abstract
We review the challenges and opportunities for biosensor research in North America aimed to accelerate translational research. We call for platform approaches based on: i) tools that can support interoperability between food, environment and agriculture, ii) open-source tools for analytics, iii) algorithms used for data and information arbitrage, and iv) use-inspired sensor design. We summarize select mobile devices and phone-based biosensors that couple analytical systems with biosensors for improving decision support. Over 100 biosensors developed by labs in North America were analyzed, including lab-based and portable devices. The results of this literature review show that nearly one quarter of the manuscripts focused on fundamental platform development or material characterization. Among the biosensors analyzed for food (post-harvest) or environmental applications, most devices were based on optical transduction (whether a lab assay or portable device). Most biosensors for agricultural applications were based on electrochemical transduction and few utilized a mobile platform. Presently, the FEAST of biosensors has produced a wealth of opportunity but faces a famine of actionable information without a platform for analytics.
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13
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Kunushpayeva Z, Rapikov A, Akhmetova A, Sultangaziyev A, Dossym D, Bukasov R. Sandwich SERS immunoassay of human immunoglobulin on silicon wafer compared to traditional SERS substrate, gold film. SENSING AND BIO-SENSING RESEARCH 2020. [DOI: 10.1016/j.sbsr.2020.100355] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/27/2022] Open
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14
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Chen R, Du X, Cui Y, Zhang X, Ge Q, Dong J, Zhao X. Vertical Flow Assay for Inflammatory Biomarkers Based on Nanofluidic Channel Array and SERS Nanotags. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2020; 16:e2002801. [PMID: 32567225 DOI: 10.1002/smll.202002801] [Citation(s) in RCA: 25] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/04/2020] [Revised: 06/03/2020] [Indexed: 05/07/2023]
Abstract
There is a great demand for the development of detection assays for inflammation infection diagnosis with high throughput and ultrasensitivity. Herein, a vertical flow assay system with functionalized nanoporous anodic aluminum oxide (AAO) as sensing membrane, and encoded core-shell surface enhanced Raman scattering (SERS) nanotags as labels for multiple inflammatory biomarkers detection is presented. A 2 × 2 test array on the porous AAO is developed and modified with multiple capture antibodies to capture inflammatory biomarkers from samples. Due to the high surface area to volume ratio of the AAO membrane, and its influence on plasmonic coupling, the electromagnetic field of the encoded core-shell SERS nanotags is enhanced. Detection limits of 53.4, 4.72, 48.3, and 7.53 fg mL-1 are realized for C reactive protein, interleukin-6, serum amyloid A, and procalcitonin, respectively, with a linear dynamic range spanning at least five orders of magnitude. In addition, the proposed method also shows acceptable accuracy and repeatability for the detection of clinical samples. Therefore, this approach is expected to be a powerful point of care testing tool for disease diagnosis in facility limited areas.
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Affiliation(s)
- Ruipeng Chen
- State Key Laboratory of Bioelectronics, School of Biological Science and Medical Engineering, Southeast University, Nanjing, 210096, China
- National Demonstration Center for Experimental Biomedical Engineering Education, Southeast University, Nanjing, 210096, China
- Southeast University Shenzhen Research Institute, Shenzhen, 518000, China
| | - Xin Du
- State Key Laboratory of Bioelectronics, School of Biological Science and Medical Engineering, Southeast University, Nanjing, 210096, China
| | - Yujun Cui
- State Key Laboratory of Bioelectronics, School of Biological Science and Medical Engineering, Southeast University, Nanjing, 210096, China
- National Demonstration Center for Experimental Biomedical Engineering Education, Southeast University, Nanjing, 210096, China
- Southeast University Shenzhen Research Institute, Shenzhen, 518000, China
| | - Xieyuan Zhang
- State Key Laboratory of Bioelectronics, School of Biological Science and Medical Engineering, Southeast University, Nanjing, 210096, China
- National Demonstration Center for Experimental Biomedical Engineering Education, Southeast University, Nanjing, 210096, China
- Southeast University Shenzhen Research Institute, Shenzhen, 518000, China
| | - Qinyu Ge
- State Key Laboratory of Bioelectronics, School of Biological Science and Medical Engineering, Southeast University, Nanjing, 210096, China
- National Demonstration Center for Experimental Biomedical Engineering Education, Southeast University, Nanjing, 210096, China
| | - Jian Dong
- State Key Laboratory of Bioelectronics, School of Biological Science and Medical Engineering, Southeast University, Nanjing, 210096, China
- National Demonstration Center for Experimental Biomedical Engineering Education, Southeast University, Nanjing, 210096, China
- Southeast University Shenzhen Research Institute, Shenzhen, 518000, China
| | - Xiangwei Zhao
- State Key Laboratory of Bioelectronics, School of Biological Science and Medical Engineering, Southeast University, Nanjing, 210096, China
- National Demonstration Center for Experimental Biomedical Engineering Education, Southeast University, Nanjing, 210096, China
- Southeast University Shenzhen Research Institute, Shenzhen, 518000, China
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15
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Strobbia P, Ran Y, Crawford BM, Cupil-Garcia V, Zentella R, Wang HN, Sun TP, Vo-Dinh T. Inverse Molecular Sentinel-Integrated Fiberoptic Sensor for Direct and in Situ Detection of miRNA Targets. Anal Chem 2019; 91:6345-6352. [PMID: 30916925 DOI: 10.1021/acs.analchem.9b01350] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Abstract
Molecular advances have been made in analysis systems for a wide variety of applications ranging from biodiagnostics, biosafety, bioengineering, and biofuel research applications. There are, however, limited practical tools necessary for in situ and accurate detection of nucleic acid targets during field work. New technology is needed to translate these molecular advances from laboratory settings into the real-life practical monitoring realm. The exquisite characteristics (e.g., sensitivity and adaptability) of plasmonic nanosensors have made them attractive candidates for field-ready sensing applications. Herein, we have developed a fiber-based plasmonic sensor capable of direct detection (i.e., no washing steps required) of nucleic acid targets, which can be detected simply by immerging the sensor in the sample solution. This sensor is composed of an optical fiber that is decorated with plasmonic nanoprobes based on silver-coated gold nanostars (AuNS@Ag) to detect target nucleic acids using the surface-enhanced Raman scattering (SERS) sensing mechanism of nanoprobes referred to as inverse molecular sentinels (iMS). These fiber-optrodes can be reused for several detection-regeneration cycles (>6). The usefulness and applicability of the iMS fiber-sensors was tested by detecting target miRNA in extracts from leaves of plants that were induced to have different expression levels of miRNA targets. These fiber-optrodes enable direct detection of miRNA in plant tissue extract without the need for complex assays by simply immersing the fiber in the sample solution. The results indicate the fiber-based sensors developed herein have the potential to be a powerful tool for field and in situ analysis of nucleic acid samples.
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Affiliation(s)
- Pietro Strobbia
- Fitzpatrick Institute for Photonics , Duke University , Durham , North Carolina 27708 , United States
- Department of Biomedical Engineering , Duke University , Durham , North Carolina 27708 , United States
| | - Yang Ran
- Fitzpatrick Institute for Photonics , Duke University , Durham , North Carolina 27708 , United States
- Guangdong Provincial Key Laboratory of Optical Fiber Sensing and Communications, Institute of Photonics Technology , Jinan University , Guangzhou 510632 , China
| | - Bridget M Crawford
- Fitzpatrick Institute for Photonics , Duke University , Durham , North Carolina 27708 , United States
- Department of Biomedical Engineering , Duke University , Durham , North Carolina 27708 , United States
| | - Vanessa Cupil-Garcia
- Fitzpatrick Institute for Photonics , Duke University , Durham , North Carolina 27708 , United States
- Department of Chemistry , Duke University , Durham , North Carolina 27708 , United States
| | - Rodolfo Zentella
- Department of Biology , Duke University , Durham , North Carolina 27708 , United States
| | - Hsin-Neng Wang
- Fitzpatrick Institute for Photonics , Duke University , Durham , North Carolina 27708 , United States
- Department of Biomedical Engineering , Duke University , Durham , North Carolina 27708 , United States
| | - Tai-Ping Sun
- Department of Biology , Duke University , Durham , North Carolina 27708 , United States
| | - Tuan Vo-Dinh
- Fitzpatrick Institute for Photonics , Duke University , Durham , North Carolina 27708 , United States
- Department of Biomedical Engineering , Duke University , Durham , North Carolina 27708 , United States
- Department of Chemistry , Duke University , Durham , North Carolina 27708 , United States
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16
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Kukushkin VI, Ivanov NM, Novoseltseva AA, Gambaryan AS, Yaminsky IV, Kopylov AM, Zavyalova EG. Highly sensitive detection of influenza virus with SERS aptasensor. PLoS One 2019; 14:e0216247. [PMID: 31022287 PMCID: PMC6483365 DOI: 10.1371/journal.pone.0216247] [Citation(s) in RCA: 67] [Impact Index Per Article: 13.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2019] [Accepted: 04/16/2019] [Indexed: 12/20/2022] Open
Abstract
Highly sensitive and rapid technology of surface enhanced Raman scattering (SERS) was applied to create aptasensors for influenza virus detection. SERS achieves 106−109 times signal amplification, yielding excellent sensitivity, whereas aptamers to hemagglutinin provide a specific recognition of the influenza virus. Aptamer RHA0385 was demonstrated to have essentially broad strain-specificity toward both recombinant hemagglutinins and the whole viruses. To achieve high sensitivity, a sandwich of primary aptamers, influenza virus and secondary aptamers was assembled. Primary aptamers were attached to metal particles of a SERS substrate, and influenza viruses were captured and bound with secondary aptamers labelled with Raman-active molecules. The signal was affected by the concentration of both primary and secondary aptamers. The limit of detection was as low as 1 · 10−4 hemagglutination units per probe as tested for the H3N2 virus (A/England/42/72). Aptamer-based sensors provided recognition of various influenza viral strains, including H1, H3, and H5 hemagglutinin subtypes. Therefore, the aptasensors could be applied for fast and low-cost strain-independent determination of influenza viruses.
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Affiliation(s)
- Vladimir I. Kukushkin
- Institute of Solid State Physics RAS, Chernogolovka, Moscow district, Russian Federation
| | - Nikita M. Ivanov
- Chemistry Department, Lomonosov Moscow State University, Moscow, Russian Federation
| | | | - Alexandra S. Gambaryan
- Chumakov Federal Scientific Center for Research and Development of Immune and Biological Products RAS, Moscow, Russian Federation
| | - Igor V. Yaminsky
- Chemistry Department, Lomonosov Moscow State University, Moscow, Russian Federation
| | - Alexey M. Kopylov
- Chemistry Department, Lomonosov Moscow State University, Moscow, Russian Federation
| | - Elena G. Zavyalova
- Chemistry Department, Lomonosov Moscow State University, Moscow, Russian Federation
- * E-mail:
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17
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Muench F, Solomonov A, Bendikov T, Molina-Luna L, Rubinstein I, Vaskevich A. Empowering Electroless Plating to Produce Silver Nanoparticle Films for DNA Biosensing Using Localized Surface Plasmon Resonance Spectroscopy. ACS APPLIED BIO MATERIALS 2019; 2:856-864. [PMID: 35016289 DOI: 10.1021/acsabm.8b00702] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
To facilitate the implementation of biosensors based on the localized surface plasmon resonance (LSPR) of metal nanostructures, there is a great need for cost-efficient, flexible, and tunable methods for producing plasmonic coatings. Due to its simplicity and excellent conformity, electroless plating (EP) is well suited for this task. However, it is traditionally optimized to produce continuous metal films, which cannot be employed in LSPR sensors. Here, we outline the development of an EP strategy for depositing island-like silver nanoparticle (NP) films on glass with distinct LSPR bands. The fully wet-chemical process only employs standard chemicals and proceeds within minutes at room temperature. The key step for producing spread-out NP films is an accelerated ripening of the silver seed layer in diluted hydrochloric acid, which reduces the nucleation density during plating. The reaction kinetics and mechanisms are investigated with scanning (transmission) electron microscopy (SEM/STEM), X-ray photoelectron spectroscopy (XPS), and UV-vis spectroscopy, with the latter enabling a convenient live monitoring of the deposition, allowing its termination at a stage of desired optical properties. The sensing capabilities of chemically deposited NP films as LSPR transducers are exemplified in DNA biosensing. To this end, a sensing interface is prepared using layer-by-layer (LbL) buildup of polyelectrolytes (PE), followed by adsorption and covalent immobilization of ssDNA. The obtained LSPR transducers demonstrate robustness and selectivity in sensing experiments with binding complementary and unrelated DNA strands.
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Affiliation(s)
- Falk Muench
- Department of Materials and Interfaces, Weizmann Institute of Science, Rehovot 7610001, Israel.,Department of Materials and Earth Sciences, Technische Universität Darmstadt, Darmstadt 64287, Germany
| | - Aleksei Solomonov
- Department of Materials and Interfaces, Weizmann Institute of Science, Rehovot 7610001, Israel
| | - Tatyana Bendikov
- Department of Chemical Research Support, Weizmann Institute of Science, Rehovot 7610001, Israel
| | - Leopoldo Molina-Luna
- Department of Materials and Earth Sciences, Technische Universität Darmstadt, Darmstadt 64287, Germany
| | - Israel Rubinstein
- Department of Materials and Interfaces, Weizmann Institute of Science, Rehovot 7610001, Israel
| | - Alexander Vaskevich
- Department of Materials and Interfaces, Weizmann Institute of Science, Rehovot 7610001, Israel
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18
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Strobbia P, Sadler T, Odion RA, Vo-Dinh T. SERS in Plain Sight: A Polarization Modulation Method for Signal Extraction. Anal Chem 2019; 91:3319-3326. [PMID: 30676724 DOI: 10.1021/acs.analchem.8b04360] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Surface-enhanced Raman spectroscopy (SERS) is a powerful analytical spectroscopy offering advantages ranging from "vibrational fingerprints" to multiplexed detection. However, the use of this technique in real-world applications has been limited due to difficulties in detecting inherently weak Raman signals often embedded in strong interfering background signals. A variety of plasmonics-active platforms have been developed to increase Raman signals but are not sufficient to extract weak SERS signals from intense interfering background signals. Herein, we describe a practical method, referred to as polarization modulation-SERS (PM-SERS), which utilizes the polarization dependence of anisotropic SERS-active nanostructures to modulate the plasmonic effect to extract SERS signals and remove background. The modulation is obtained by switching the polarization of the excitation source at a specific frequency involving addition of only few optical components such as liquid crystal polarizers to a typical Raman setup. In this work, we characterized the polarization-dependent response of the SERS substrates fabricated using the oblique angle evaporation (OAV) technique and their response under laser excitation using a polarization modulated source. We demonstrated that the PM-SERS method can extract the analyte weak SERS signals from the strong interfering background signal in different situations, involving a fluorescent sample and a strong background light, and we show the possibility of using PM-SERS at a quasi-real time rate (0.5 Hz). We believe that the PM-SERS method will help expand the translation of applications that utilize SERS-substrates to real-world settings.
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Affiliation(s)
- Pietro Strobbia
- Fitzpatrick Institute for Photonics , Duke University , Durham , North Carolina 27708 , United States.,Department of Biomedical Engineering , Duke University , Durham , North Carolina 27708 , United States
| | - Tyjair Sadler
- Fitzpatrick Institute for Photonics , Duke University , Durham , North Carolina 27708 , United States.,Department of Chemistry , Duke University , Durham , North Carolina 27708 , United States
| | - Ren A Odion
- Fitzpatrick Institute for Photonics , Duke University , Durham , North Carolina 27708 , United States.,Department of Biomedical Engineering , Duke University , Durham , North Carolina 27708 , United States
| | - Tuan Vo-Dinh
- Fitzpatrick Institute for Photonics , Duke University , Durham , North Carolina 27708 , United States.,Department of Biomedical Engineering , Duke University , Durham , North Carolina 27708 , United States.,Department of Chemistry , Duke University , Durham , North Carolina 27708 , United States
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19
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Bartolowits M, Xin M, Petrov DP, Tague TJ, Davisson VJ. Multimeric Rhodamine Dye-Induced Aggregation of Silver Nanoparticles for Surface-Enhanced Raman Scattering. ACS OMEGA 2019; 4:140-145. [PMID: 30729221 PMCID: PMC6356857 DOI: 10.1021/acsomega.8b02970] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/27/2018] [Accepted: 12/18/2018] [Indexed: 05/17/2023]
Abstract
Isotopic variants of Rhodamine 6G (R6G) have previously been used as a method of multiplexed detection for Surface Enhanced Raman Spectroscopy (SERS), including protein detection and quantification. Challenges exist, however, with producing long-term stable SERS signals with exposure to silver or gold metal surfaces without the use of additional protective coatings of nanomaterials. Here, novel rhodamine "dimers" and "trimers" have been created that demonstrate a higher avidity for metal nanoparticles and induce aggregation to create plasmonic "hotspots" as indicated by enhanced Raman scattering in situ. These aggregates can be formed in a colloid, on surfaces, or membrane substrates such as poly(vinylidene fluoride) for applications in biosciences. The integrity of the materials and Raman signals are maintained for months of time on different substrates. These dye materials should provide avenues for simplified in situ generation of sensors for Raman-based assays especially in settings requiring highly robust performance.
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Affiliation(s)
- Matthew
D. Bartolowits
- Amplified
Sciences, LLC, 1281 Win
Hentschel Blvd., West Lafayette, Indiana 47906, United
States
| | - Meiguo Xin
- Department
of Medicinal Chemistry and Molecular Pharmacology, Purdue University, West Lafayette, Indiana 47907, United States
| | - Dino P. Petrov
- Department
of Medicinal Chemistry and Molecular Pharmacology, Purdue University, West Lafayette, Indiana 47907, United States
| | - Thomas J. Tague
- Bruker
Optics, Inc., 19 Fortune Drive, Billerica, Massachusetts 01821, United States
| | - Vincent Jo Davisson
- Department
of Medicinal Chemistry and Molecular Pharmacology, Purdue University, West Lafayette, Indiana 47907, United States
- E-mail:
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20
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Jia M, Li S, Zang L, Lu X, Zhang H. Analysis of Biomolecules Based on the Surface Enhanced Raman Spectroscopy. NANOMATERIALS (BASEL, SWITZERLAND) 2018; 8:E730. [PMID: 30223597 PMCID: PMC6165412 DOI: 10.3390/nano8090730] [Citation(s) in RCA: 26] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/28/2018] [Revised: 09/10/2018] [Accepted: 09/14/2018] [Indexed: 12/24/2022]
Abstract
Analyzing biomolecules is essential for disease diagnostics, food safety inspection, environmental monitoring and pharmaceutical development. Surface-enhanced Raman spectroscopy (SERS) is a powerful tool for detecting biomolecules due to its high sensitivity, rapidness and specificity in identifying molecular structures. This review focuses on the SERS analysis of biomolecules originated from humans, animals, plants and microorganisms, combined with nanomaterials as SERS substrates and nanotags. Recent advances in SERS detection of target molecules were summarized with different detection strategies including label-free and label-mediated types. This comprehensive and critical summary of SERS analysis of biomolecules might help researchers from different scientific backgrounds spark new ideas and proposals.
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Affiliation(s)
- Min Jia
- Shandong Provincial Key Laboratory of Animal Resistance Biology, Institute of Biomedical Sciences, Key Laboratory of Food Nutrition and Safety of Shandong Normal University, College of Life Science, Shandong Normal University, Jinan 250014, China.
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, Beijing Technology and Business University (BTBU), Beijing 100048, China.
| | - Shenmiao Li
- Food, Nutrition and Health Program, Faculty of Land and Food Systems, The University of British Columbia, Vancouver, BC V6T 1Z4, Canada.
| | - Liguo Zang
- Shandong Provincial Key Laboratory of Animal Resistance Biology, Institute of Biomedical Sciences, Key Laboratory of Food Nutrition and Safety of Shandong Normal University, College of Life Science, Shandong Normal University, Jinan 250014, China.
| | - Xiaonan Lu
- Food, Nutrition and Health Program, Faculty of Land and Food Systems, The University of British Columbia, Vancouver, BC V6T 1Z4, Canada.
| | - Hongyan Zhang
- Shandong Provincial Key Laboratory of Animal Resistance Biology, Institute of Biomedical Sciences, Key Laboratory of Food Nutrition and Safety of Shandong Normal University, College of Life Science, Shandong Normal University, Jinan 250014, China.
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21
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Zhao X, Li M, Xu Z. Detection of Foodborne Pathogens by Surface Enhanced Raman Spectroscopy. Front Microbiol 2018; 9:1236. [PMID: 29946307 PMCID: PMC6005832 DOI: 10.3389/fmicb.2018.01236] [Citation(s) in RCA: 70] [Impact Index Per Article: 11.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2018] [Accepted: 05/22/2018] [Indexed: 01/21/2023] Open
Abstract
Food safety has become an important public health issue in both developed and developing countries. However, as the foodborne illnesses caused by the pollution of foodborne pathogens occurred frequently, which seriously endangered the safety and health of human beings. More importantly, the traditional techniques, such as PCR and enzyme-linked immunosorbent assay, are accurate and effective, but their pretreatments are complex and time-consuming. Therefore, how to detect foodborne pathogens quickly and sensitively has become the key to control food safety. Because of its sensitivity, rapidity, and non-destructive damage to the sample, the surface enhanced Raman scattering (SERS) is considered to be a powerful testing technology that is widely used to different fields. This review aims to give a systematic and comprehensive understanding of SERS for rapid detection of pathogen bacteria. First, the related concepts of SERS are stated, such as its work principal, active substrate, and biochemical origins of the detection of bacteria by SERS. Then the latest progress and applications in food safety, from detection and characterization of targets in label-free method to label method, is summarized. The advantages and limitations of different SERS substrates and methods are discussed. Finally, there are still several hurdles for the further development of SERS techniques into real-world applications. This review comes up with the perspectives on the future trends of the SERS technique in the field of foodborne pathogens detection and some problems to be solved urgently. Therefore, the purpose is mainly to understand the detection of foodborne pathogens and to make further emphasis on the importance of SERS techniques.
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Affiliation(s)
- Xihong Zhao
- Research Center for Environmental Ecology and Engineering, Key Laboratory for Green Chemical Process of Ministry of Education, Key Laboratory for Hubei Novel Reactor and Green Chemical Technology, School of Environmental Ecology and Biological Engineering, Wuhan Institute of Technology, Wuhan, China
| | - Mei Li
- Research Center for Environmental Ecology and Engineering, Key Laboratory for Green Chemical Process of Ministry of Education, Key Laboratory for Hubei Novel Reactor and Green Chemical Technology, School of Environmental Ecology and Biological Engineering, Wuhan Institute of Technology, Wuhan, China
| | - Zhenbo Xu
- School of Food Science and Engineering, South China University of Technology, Guangzhou, China
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22
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Fateixa S, Raposo M, Nogueira H, Trindade T. A general strategy to prepare SERS active filter membranes for extraction and detection of pesticides in water. Talanta 2018; 182:558-566. [DOI: 10.1016/j.talanta.2018.02.014] [Citation(s) in RCA: 40] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2017] [Revised: 02/01/2018] [Accepted: 02/04/2018] [Indexed: 11/28/2022]
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23
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Fateixa S, Nogueira HIS, Trindade T. Surface-Enhanced Raman Scattering Spectral Imaging for the Attomolar Range Detection of Crystal Violet in Contaminated Water. ACS OMEGA 2018; 3:4331-4341. [PMID: 31458659 PMCID: PMC6641606 DOI: 10.1021/acsomega.7b01983] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/13/2017] [Accepted: 03/27/2018] [Indexed: 05/29/2023]
Abstract
A series of nanocomposites based on polyamide (NL16, PA) filter membranes containing metal nanoparticles (NPs) have been prepared by filtration under reduced pressure of the metal colloids. The ensuing materials were then investigated as substrates for surface-enhanced Raman scattering (SERS) imaging studies envisaging the spectroscopic detection of vestigial organic pollutants dissolved in contaminated water. The organic dye crystal violet (CV) was used here as a model pollutant because it is a hazardous compound present in certain effluent waters. Moreover this compound is well-known for its strong SERS activity, which is clearly advantageous in the context of material development for SERS. Indeed, several preparative strategies were employed to prepare PA-based composites, and the impact on SERS detection was investigated. These include the use of chemical and morphological distinct plasmonic NPs (Ag, Au), a variable metal load and changing the order of addition of the analytical specimens. These studies demonstrate that the parameters employed in the fabrication of the SERS substrates have a strong impact on the Raman signal enhancement. The use of Raman imaging during the fabrication process allows establishing improvements that translate to better performances of the substrates in the analyte detection. The results have been interpreted by considering an integrated set of operational parameters that include the affinity of CV molecules to the substrate, amount and dispersion of NPs in the PA membranes, and the detection method. Noteworthy the use of SERS analysis assisted with Raman imaging allowed achieving a detection limit for CV as low as 100 aM in ultrapure water and 10 fM in real samples.
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24
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Restaino SM, White IM. Real-time multiplexed PCR using surface enhanced Raman spectroscopy in a thermoplastic chip. LAB ON A CHIP 2018; 18:832-839. [PMID: 29436552 DOI: 10.1039/c7lc01227f] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
Surface enhanced Raman spectroscopy (SERS) has the potential to enable point-of-care sensing across the spectrum of chemical and biological analytes. In diagnostic assays, SERS has been demonstrated to increase the multiplexing density while reducing the burden of fluorescence hardware. One particular application of interest is the use of SERS to provide a multiplexed optical read-out following polymerase chain reaction (PCR). To date, however, the reported PCR-SERS assays require endpoint mixing with a plasmonic nanoparticle solution for detection, thus adding manual steps and preventing real-time, quantitative PCR. In this work, we detail a real-time PCR-SERS thermoplastic microsystem that allows simultaneous nucleic acid amplification and product separation into a SERS-active silver colloid for real-time detection. Specifically, a laser cut thermoplastic fluidic chip has been devised to utilize a dialysis membrane capable of isolating a PCR reaction from the silver colloid. As the reaction progresses, a Raman-reporter-labeled DNA probe is degraded, liberating the reporter from probe DNA, allowing passage across the size-restricting dialysis membrane into the SERS-active colloid, where the accumulating reporter can be measured in real time. Here, we demonstrate that this system is capable of real-time and single-well multiplexed readout of a PCR reaction to simultaneously detect two biomarker genes for methicillin-resistant S. aureus (MRSA).
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Affiliation(s)
- S M Restaino
- Fischell Department of Bioengineering, University of Maryland, College Park, USA.
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25
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Dwyer JR, Harb M. Through a Window, Brightly: A Review of Selected Nanofabricated Thin-Film Platforms for Spectroscopy, Imaging, and Detection. APPLIED SPECTROSCOPY 2017; 71:2051-2075. [PMID: 28714316 DOI: 10.1177/0003702817715496] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
We present a review of the use of selected nanofabricated thin films to deliver a host of capabilities and insights spanning bioanalytical and biophysical chemistry, materials science, and fundamental molecular-level research. We discuss approaches where thin films have been vital, enabling experimental studies using a variety of optical spectroscopies across the visible and infrared spectral range, electron microscopies, and related techniques such as electron energy loss spectroscopy, X-ray photoelectron spectroscopy, and single molecule sensing. We anchor this broad discussion by highlighting two particularly exciting exemplars: a thin-walled nanofluidic sample cell concept that has advanced the discovery horizons of ultrafast spectroscopy and of electron microscopy investigations of in-liquid samples; and a unique class of thin-film-based nanofluidic devices, designed around a nanopore, with expansive prospects for single molecule sensing. Free-standing, low-stress silicon nitride membranes are a canonical structural element for these applications, and we elucidate the fabrication and resulting features-including mechanical stability, optical properties, X-ray and electron scattering properties, and chemical nature-of this material in this format. We also outline design and performance principles and include a discussion of underlying material preparations and properties suitable for understanding the use of alternative thin-film materials such as graphene.
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Affiliation(s)
- Jason R Dwyer
- 1 Department of Chemistry, University of Rhode Island, Kingston, RI, USA
| | - Maher Harb
- 2 Department of Physics and Materials, Science & Engineering, Drexel University, Philadelphia, PA, USA
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26
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Wang Z, Zong S, Wu L, Zhu D, Cui Y. SERS-Activated Platforms for Immunoassay: Probes, Encoding Methods, and Applications. Chem Rev 2017; 117:7910-7963. [DOI: 10.1021/acs.chemrev.7b00027] [Citation(s) in RCA: 368] [Impact Index Per Article: 52.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Affiliation(s)
- Zhuyuan Wang
- Advanced Photonics Center, Southeast University, Nanjing 210096, Jiangsu, China
| | - Shenfei Zong
- Advanced Photonics Center, Southeast University, Nanjing 210096, Jiangsu, China
| | - Lei Wu
- Advanced Photonics Center, Southeast University, Nanjing 210096, Jiangsu, China
| | - Dan Zhu
- Advanced Photonics Center, Southeast University, Nanjing 210096, Jiangsu, China
| | - Yiping Cui
- Advanced Photonics Center, Southeast University, Nanjing 210096, Jiangsu, China
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27
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Filbrun SL, Filbrun AB, Lovato FL, Oh SH, Driskell EA, Driskell JD. Chemical modification of antibodies enables the formation of stable antibody–gold nanoparticle conjugates for biosensing. Analyst 2017; 142:4456-4467. [DOI: 10.1039/c7an01496a] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
Antibody-modified gold nanoparticles (AuNPs) are central to many novel and emerging biosensing technologies due to the specificity provided by antibody–antigen interactions and the unique properties of nanoparticles.
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Affiliation(s)
| | | | | | - Soon H. Oh
- Department of Pathobiology
- University of Illinois at Urbana-Champaign
- Urbana
- USA
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28
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Dwyer JR, Bandara YMNDY, Whelan JC, Karawdeniya BI, Nichols JW. Silicon Nitride Thin Films for Nanofluidic Device Fabrication. NANOFLUIDICS 2016. [DOI: 10.1039/9781849735230-00190] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/30/2023]
Abstract
Silicon nitride is a ubiquitous and well-established nanofabrication material with a host of favourable properties for creating nanofluidic devices with a range of compelling designs that offer extraordinary discovery potential. Nanochannels formed between two thin silicon nitride windows can open up vistas for exploration by freeing transmission electron microscopy to interrogate static structures and structural dynamics in liquid-based samples. Nanopores present a strikingly different architecture—nanofluidic channels through a silicon nitride membrane—and are one of the most promising tools to emerge in biophysics and bioanalysis, offering outstanding capabilities for single molecule sensing. The constrained environments in such nanofluidic devices make surface chemistry a vital design and performance consideration. Silicon nitride has a rich and complex surface chemistry that, while too often formidable, can be tamed with new, robust surface functionalization approaches. We will explore how a simple structural element—a ∼100 nm-thick silicon nitride window—can be used to fabricate devices to wrest unprecedented insights from the nanoscale world. We will detail the intricacies of native silicon nitride surface chemistry, present surface chemical modification routes that leverage the richness of available surface moieties, and examine the effect of engineered chemical surface functionality on nanofluidic device character and performance.
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Affiliation(s)
- J. R. Dwyer
- University of Rhode Island, Department of Chemistry Kingston RI 02881 USA
| | | | - J. C. Whelan
- University of Rhode Island, Department of Chemistry Kingston RI 02881 USA
| | - B. I. Karawdeniya
- University of Rhode Island, Department of Chemistry Kingston RI 02881 USA
| | - J. W. Nichols
- University of Rhode Island, Department of Chemistry Kingston RI 02881 USA
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29
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Switchable fluorescence of gold nanoclusters for probing the activity of alkaline phosphatase and its application in immunoassay. Biosens Bioelectron 2016; 77:666-72. [DOI: 10.1016/j.bios.2015.10.046] [Citation(s) in RCA: 75] [Impact Index Per Article: 9.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2015] [Revised: 09/25/2015] [Accepted: 10/14/2015] [Indexed: 12/27/2022]
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30
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Israelsen ND, Wooley D, Hanson C, Vargis E. Rational design of Raman-labeled nanoparticles for a dual-modality, light scattering immunoassay on a polystyrene substrate. J Biol Eng 2016; 10:2. [PMID: 26751120 PMCID: PMC4705623 DOI: 10.1186/s13036-015-0023-y] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2015] [Accepted: 12/29/2015] [Indexed: 12/17/2022] Open
Abstract
Background Surface-enhanced Raman scattering (SERS) is a powerful light scattering technique that can be used for sensitive immunoassay development and cell labeling. A major obstacle to using SERS is the complexity of fabricating SERS probes since they require nanoscale characterization and optical uniformity. The light scattering response of SERS probes may also be modulated by the substrate used for SERS analysis. A typical SERS substrate such as quartz can be expensive. Polystyrene is a cheaper substrate option but can decrease the SERS response due to interfering Raman emission peaks and high background fluorescence. The goal of this research is to develop an optimized process for fabricating Raman-labeled nanoparticles for a SERS-based immunoassay on a polystyrene substrate. Results We have developed a method for fabricating SERS nanoparticle probes for use in a light scattering immunoassay on a polystyrene substrate. The light scattering profile of both spherical gold nanoparticle and gold nanorod SERS probes were characterized using Raman spectroscopy and optical absorbance spectroscopy. The effects of substrate interference and autofluorescence were reduced by selecting a Raman reporter with a strong light scattering response in a spectral region where interfering substrate emission peaks are minimized. Both spherical gold nanoparticles and gold nanorods SERS probes used in the immunoassay were detected at labeling concentrations in the low pM range. This analytical sensitivity falls within the typical dynamic range for direct labeling of cell-surface biomarkers using SERS probes. Conclusion SERS nanoparticle probes were fabricated to produce a strong light scattering signal despite substrate interference. The optical extinction and inelastic light scattering of these probes was detected by optical absorbance spectroscopy and Raman spectroscopy, respectively. This immunoassay demonstrates the feasibility of analyzing strongly enhanced Raman signals on polystyrene, which is an inexpensive yet non-ideal Raman substrate. The assay sensitivity, which is in the low pM range, suggests that these SERS probe particles could be used for Raman labeling of cell or tissue samples in a polystyrene tissue culture plate. With continued development, this approach could be used for direct labeling of multiple cell surface biomarkers on strongly interfering substrate platforms. Electronic supplementary material The online version of this article (doi:10.1186/s13036-015-0023-y) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Nathan D Israelsen
- Department of Biological Engineering, Utah State University, 4105 Old Main Hill, Logan, UT 84322 USA
| | - Donald Wooley
- Department of Biological Engineering, Utah State University, 4105 Old Main Hill, Logan, UT 84322 USA
| | - Cynthia Hanson
- Department of Biological Engineering, Utah State University, 4105 Old Main Hill, Logan, UT 84322 USA
| | - Elizabeth Vargis
- Department of Biological Engineering, Utah State University, 4105 Old Main Hill, Logan, UT 84322 USA
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Filbrun SL, Driskell JD. A fluorescence-based method to directly quantify antibodies immobilized on gold nanoparticles. Analyst 2016; 141:3851-7. [DOI: 10.1039/c6an00193a] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Abstract
The ability to evaluate antibody immobilization onto gold nanoparticles is critical for assessing coupling chemistry and optimizing the sensitivity of nanoparticle-enabled biosensors.
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32
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Jin LY, Dong YM, Wu XM, Cao GX, Wang GL. Versatile and Amplified Biosensing through Enzymatic Cascade Reaction by Coupling Alkaline Phosphatase in Situ Generation of Photoresponsive Nanozyme. Anal Chem 2015; 87:10429-36. [PMID: 26419907 DOI: 10.1021/acs.analchem.5b02728] [Citation(s) in RCA: 133] [Impact Index Per Article: 14.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
The alkaline phosphatase (ALP) biocatalysis followed by the in situ enzymatic generation of a visible light responsive nanozyme is coupled to elucidate a novel amplification strategy by enzymatic cascade reaction for versatile biosensing. The enzymatic hydrolysis of o-phosphonoxyphenol (OPP) to catechol (CA) by ALP is allowed to coordinate on the surface of TiO2 nanoparticles (NPs) due to the specificity and high affinity of enediol ligands to Ti(IV). Upon the stimuli by CA generated from ALP, the inert TiO2 NPs is activated, which demonstrates highly efficient oxidase mimicking activity for catalyzing the oxidation of the typical substrate of 3,3',5,5'-tetramethylbenzidine (TMB) under visible light (λ ≥ 400 nm) irradiation utilizing dissolved oxygen as an electron acceptor. On the basis of the cascade reaction of ALP and the nanozyme of CA coordinated TiO2 (TiO2-CA) NPs, we design exquisitely colorimetric biosensors for probing ALP activity and its inhibitor of 2, 4-dichlorophenoxyacetic acid (2,4-DA). Quantitative probing of ALP activity in a wide linear range from 0.01 to 150 U/L with the detection limit of 0.002 U/L is realized, which endows the methodology with sufficiently high sensitivity for potentially practical applications in real samples of human serum (ALP level of 40-190 U/L for adults). In addition, a novel immunoassay protocol by taking mouse IgG as an example is validated using the ALP/nanozyme cascade amplification reaction as the signal transducer. A low detection limit of 2.0 pg/mL is attained for mouse IgG, which is 4500-fold lower than that of the standard enzyme-linked immuno-sorbent assay (ELISA) kit. Although only mouse IgG is used as a proof-of-concept in our experiment, we believe that this approach is generalizable to be readily extended to other ELISA systems. This methodology opens a new horizon for amplified and versatile biosensing including probing ALP activity and following ALP-based ELISA immunoassays.
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Affiliation(s)
- Lu-Yi Jin
- The Key Laboratory of Food Colloids and Biotechnology, Ministry of Education, School of Chemical and Material Engineering, Jiangnan University , Wuxi 214122, Jiangsu, China
| | - Yu-Ming Dong
- The Key Laboratory of Food Colloids and Biotechnology, Ministry of Education, School of Chemical and Material Engineering, Jiangnan University , Wuxi 214122, Jiangsu, China
| | - Xiu-Ming Wu
- The Key Laboratory of Food Colloids and Biotechnology, Ministry of Education, School of Chemical and Material Engineering, Jiangnan University , Wuxi 214122, Jiangsu, China
| | - Gen-Xia Cao
- The Key Laboratory of Food Colloids and Biotechnology, Ministry of Education, School of Chemical and Material Engineering, Jiangnan University , Wuxi 214122, Jiangsu, China
| | - Guang-Li Wang
- The Key Laboratory of Food Colloids and Biotechnology, Ministry of Education, School of Chemical and Material Engineering, Jiangnan University , Wuxi 214122, Jiangsu, China.,State Key Laboratory of Analytical Chemistry for Life Science, Nanjing University , Nanjing 210093, Jiangsu, China
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Lopez A, Lovato F, Oh SH, Lai YH, Filbrun S, Driskell EA, Driskell JD. SERS immunoassay based on the capture and concentration of antigen-assembled gold nanoparticles. Talanta 2015; 146:388-93. [PMID: 26695280 DOI: 10.1016/j.talanta.2015.08.065] [Citation(s) in RCA: 42] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2015] [Revised: 08/27/2015] [Accepted: 08/28/2015] [Indexed: 12/18/2022]
Abstract
A simple, rapid, and sensitive immunoassay has been developed based on antigen-mediated aggregation of gold nanoparticles (AuNP) and surface-enhanced Raman spectroscopy (SERS). Central to this platform is the extrinsic Raman label (ERL), which consists of a gold nanoparticle modified with a mixed monolayer of a Raman active molecule and an antibody. ERLs are mixed with sample, and antigen induces the aggregation of the ERLs. A membrane filter is then used to isolate and concentrate the ERL aggregates for SERS analysis. Preliminary work to establish proof-of-principle of the platform technology utilized mouse IgG as a model antigen. The effects of membrane pore diameter and AuNP size on the analytical performance of the assay were systematically investigated, and it was determined that a pore diameter of 200 nm and AuNP diameter of 80 nm provide maximum sensitivity while minimizing signal from blank samples. Optimization of the assay provided a detection limit of 1.9 ng/mL, 20-fold better than the detection limit achieved by an ELISA employing the same antibody-antigen system. Furthermore, this assay required only 60 min compared to 24h for the ELISA. To validate this assay, mouse serum was directly analyzed to accurately quantify IgG. Collectively, these results demonstrate the potential advantages of this technology over current diagnostic tests for protein biomarkers with respect to time, simplicity, and detection limits. Thus, this approach provides a framework for prospective development of new and more powerful tools that can be designed for point-of-care diagnostic or point-of-need detection.
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Affiliation(s)
- Arielle Lopez
- Department of Chemistry, Illinois State University, Normal, IL 61790, USA
| | - Francis Lovato
- Department of Chemistry, Illinois State University, Normal, IL 61790, USA
| | - Soon Hwan Oh
- Department of Pathobiology, College of Veterinary Medicine, University of Illinois at Urbana-Champaign, Urbana, IL 61802, USA
| | - Yen H Lai
- Department of Chemistry, Illinois State University, Normal, IL 61790, USA
| | - Seth Filbrun
- Department of Chemistry, Illinois State University, Normal, IL 61790, USA
| | - Elizabeth A Driskell
- Department of Pathobiology, College of Veterinary Medicine, University of Illinois at Urbana-Champaign, Urbana, IL 61802, USA
| | - Jeremy D Driskell
- Department of Chemistry, Illinois State University, Normal, IL 61790, USA.
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Hou H, Wang P, Zhang J, Li C, Jin Y. Graphene Oxide-Supported Ag Nanoplates as LSPR Tunable and Reproducible Substrates for SERS Applications with Optimized Sensitivity. ACS APPLIED MATERIALS & INTERFACES 2015. [PMID: 26203672 DOI: 10.1021/acsami.5b04946] [Citation(s) in RCA: 39] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/06/2023]
Abstract
Nanoparticles and nanohybrids with well-defined structures, along with tunable localized surface plasmon resonance (LSPR) properties and optimized sensitivity, are crucial and highly desired for surface-enhanced Raman spectroscopy (SERS) applications. In this article, we report on a very promising and flexible SERS platforms with a tunable LSPR response and sensitivity based on Ag nanoplates and graphene oxide (GO). The SERS detection sensitivity can be easily optimized and significantly improved by fine-tuning the LSPR band of the Ag nanoplate/GO substrates (to enhance the SERS response) during sample preparation. We applied the as-prepared SERS platform for sensitive SERS detection of 4-mercaptobenzoic acid and 4-aminothiophenol and found that the SERS signal varied markedly (by ∼10-15-fold) with the fine-tuning of the LSPR band. The SERS enhancement factor of the Ag nanoplate/GO complexes was more than 10(4) times larger than that obtained using spherical Ag nanoparticles. The as-prepared Ag nanoplate/GO platforms, because of their excellent stability and tunable LSPR properties, will find promising practical SERS applications.
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Affiliation(s)
- Hui Hou
- †State Key Laboratory of Electroanalytical Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022, Jilin, P. R. China
- ‡University of Chinese Academy of Sciences, Beijing 100049, P. R. China
| | - Ping Wang
- †State Key Laboratory of Electroanalytical Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022, Jilin, P. R. China
| | - Jie Zhang
- †State Key Laboratory of Electroanalytical Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022, Jilin, P. R. China
- ‡University of Chinese Academy of Sciences, Beijing 100049, P. R. China
| | - Chuanping Li
- †State Key Laboratory of Electroanalytical Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022, Jilin, P. R. China
- ‡University of Chinese Academy of Sciences, Beijing 100049, P. R. China
| | - Yongdong Jin
- †State Key Laboratory of Electroanalytical Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022, Jilin, P. R. China
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Wang Y, Vaidyanathan R, Shiddiky MJA, Trau M. Enabling Rapid and Specific Surface-Enhanced Raman Scattering Immunoassay Using Nanoscaled Surface Shear Forces. ACS NANO 2015; 9:6354-6362. [PMID: 25978642 DOI: 10.1021/acsnano.5b01929] [Citation(s) in RCA: 58] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/04/2023]
Abstract
A rapid and simple approach is presented to address two critical issues of surface-enhanced Raman scattering (SERS)-based immunoassay such as removal/avoiding nonspecific adsorption and reducing assay time. The approach demonstrated involves rationally designed fluorophore-integrated gold/silver nanoshells as SERS nanotags and utilizes alternative current electrohydrodynamic (ac-EHD)-induced nanoscaled surface shear forces to enhance the capture kinetics. The assay performance was validated in comparison with hydrodynamic flow and conventional immunoassay-based devices. These nanoscaled physical forces acting within nanometer distances from the electrode surface enabled rapid (40 min), sensitive (10 fg/mL), and highly specific detection of human epidermal growth factor receptor 2 in breast cancer patient samples. We believe this approach presents potential for the development of rapid and sensitive SERS immunoassays for routine clinical diagnosis.
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Affiliation(s)
- Yuling Wang
- †Centre for Personalized Nanomedicine, Australian Institute for Bioengineering and Nanotechnology (AIBN), Corner College and Cooper Roads (Bldg 75), and ‡School of Chemistry and Molecular Biosciences, The University of Queensland, Brisbane QLD 4072, Australia
| | - Ramanathan Vaidyanathan
- †Centre for Personalized Nanomedicine, Australian Institute for Bioengineering and Nanotechnology (AIBN), Corner College and Cooper Roads (Bldg 75), and ‡School of Chemistry and Molecular Biosciences, The University of Queensland, Brisbane QLD 4072, Australia
| | - Muhammad J A Shiddiky
- †Centre for Personalized Nanomedicine, Australian Institute for Bioengineering and Nanotechnology (AIBN), Corner College and Cooper Roads (Bldg 75), and ‡School of Chemistry and Molecular Biosciences, The University of Queensland, Brisbane QLD 4072, Australia
| | - Matt Trau
- †Centre for Personalized Nanomedicine, Australian Institute for Bioengineering and Nanotechnology (AIBN), Corner College and Cooper Roads (Bldg 75), and ‡School of Chemistry and Molecular Biosciences, The University of Queensland, Brisbane QLD 4072, Australia
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36
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Tao L, Lu W, Wang M, Wang Y, Dong J, Qian W. Synthesis and Characterization of Silver Nanoparticle Modified 3-Aminophenol Resin Microspheres with Application for Determination of Carcinoembryonic Antigens by Surface-Enhanced Raman Scattering. ANAL LETT 2015. [DOI: 10.1080/00032719.2015.1027899] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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37
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Wang GL, Shu JX, Dong YM, Wu XM, Li ZJ. An ultrasensitive and universal photoelectrochemical immunoassay based on enzyme mimetics enhanced signal amplification. Biosens Bioelectron 2015; 66:283-9. [DOI: 10.1016/j.bios.2014.11.033] [Citation(s) in RCA: 46] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2014] [Revised: 11/18/2014] [Accepted: 11/18/2014] [Indexed: 12/30/2022]
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Qiu Y, Deng D, Deng Q, Wu P, Zhang H, Cai C. Synthesis of magnetic Fe3O4–Au hybrids for sensitive SERS detection of cancer cells at low abundance. J Mater Chem B 2015; 3:4487-4495. [DOI: 10.1039/c5tb00638d] [Citation(s) in RCA: 40] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A facile and rapid SERS-based immunoassay for living cancer cells using magnetic Fe3O4–Au hybrid nanoparticles is reported.
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Affiliation(s)
- Yanchun Qiu
- Jiangsu Key Laboratory of New Power Batteries
- Jiangsu Collaborative Innovation Center of Biomedical Functional Materials
- National and Local Joint Engineering Research Center of Biomedical Functional Materials
- College of Chemistry and Materials Science
- Nanjing Normal University
| | - Dan Deng
- Jiangsu Key Laboratory of New Power Batteries
- Jiangsu Collaborative Innovation Center of Biomedical Functional Materials
- National and Local Joint Engineering Research Center of Biomedical Functional Materials
- College of Chemistry and Materials Science
- Nanjing Normal University
| | - Qianwen Deng
- Jiangsu Key Laboratory of New Power Batteries
- Jiangsu Collaborative Innovation Center of Biomedical Functional Materials
- National and Local Joint Engineering Research Center of Biomedical Functional Materials
- College of Chemistry and Materials Science
- Nanjing Normal University
| | - Ping Wu
- Jiangsu Key Laboratory of New Power Batteries
- Jiangsu Collaborative Innovation Center of Biomedical Functional Materials
- National and Local Joint Engineering Research Center of Biomedical Functional Materials
- College of Chemistry and Materials Science
- Nanjing Normal University
| | - Hui Zhang
- Jiangsu Key Laboratory of New Power Batteries
- Jiangsu Collaborative Innovation Center of Biomedical Functional Materials
- National and Local Joint Engineering Research Center of Biomedical Functional Materials
- College of Chemistry and Materials Science
- Nanjing Normal University
| | - Chenxin Cai
- Jiangsu Key Laboratory of New Power Batteries
- Jiangsu Collaborative Innovation Center of Biomedical Functional Materials
- National and Local Joint Engineering Research Center of Biomedical Functional Materials
- College of Chemistry and Materials Science
- Nanjing Normal University
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39
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Balzerova A, Fargasova A, Markova Z, Ranc V, Zboril R. Magnetically-Assisted Surface Enhanced Raman Spectroscopy (MA-SERS) for Label-Free Determination of Human Immunoglobulin G (IgG) in Blood Using Fe3O4@Ag Nanocomposite. Anal Chem 2014; 86:11107-14. [DOI: 10.1021/ac503347h] [Citation(s) in RCA: 44] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Affiliation(s)
- Anna Balzerova
- Regional Centre of Advanced
Technologies and Materials, Department of Physical Chemistry, Faculty
of Science, Palacký University in Olomouc, 17. listopadu
12, CZ-77146, Olomouc, Czech Republic
| | - Ariana Fargasova
- Regional Centre of Advanced
Technologies and Materials, Department of Physical Chemistry, Faculty
of Science, Palacký University in Olomouc, 17. listopadu
12, CZ-77146, Olomouc, Czech Republic
| | - Zdenka Markova
- Regional Centre of Advanced
Technologies and Materials, Department of Physical Chemistry, Faculty
of Science, Palacký University in Olomouc, 17. listopadu
12, CZ-77146, Olomouc, Czech Republic
| | - Vaclav Ranc
- Regional Centre of Advanced
Technologies and Materials, Department of Physical Chemistry, Faculty
of Science, Palacký University in Olomouc, 17. listopadu
12, CZ-77146, Olomouc, Czech Republic
| | - Radek Zboril
- Regional Centre of Advanced
Technologies and Materials, Department of Physical Chemistry, Faculty
of Science, Palacký University in Olomouc, 17. listopadu
12, CZ-77146, Olomouc, Czech Republic
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Driskell JD, Larrick CG, Trunell C. Effect of hydration on plasmonic coupling of bioconjugated gold nanoparticles immobilized on a gold film probed by surface-enhanced Raman spectroscopy. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2014; 30:6309-6313. [PMID: 24854627 DOI: 10.1021/la500640q] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/03/2023]
Abstract
Gold nanoparticle (AuNP)-Au film constructs were prepared using antibody-antigen interactions or a small organic cross-linker to systematically control the gap between the AuNP and Au film. Surface-enhanced Raman spectroscopy (SERS), scanning electron micrsocopy (SEM), and atomic force microscopy (AFM) were used to characterize each construct and elucidate structure-activity relationships. Interestingly, plasmonic coupling and SERS intensity were reversibly modulated with wetting/drying cycles for the protein immobilized AuNP, and this effect was attributed to changes in protein size with hydration state. This work provides insight into fundamental limitations of AuNP-enabled SERS bioassays and will facilitate rational design of novel biospecific ligands that maximize SERS sensitivity.
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Affiliation(s)
- Jeremy D Driskell
- Department of Chemistry, Illinois State University , Normal, Illinois 61790, United States
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41
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Deng X, Tang H, Jiang J. Recent progress in graphene-material-based optical sensors. Anal Bioanal Chem 2014; 406:6903-16. [DOI: 10.1007/s00216-014-7895-4] [Citation(s) in RCA: 45] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2014] [Revised: 05/07/2014] [Accepted: 05/13/2014] [Indexed: 12/11/2022]
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