51
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Feliu N, Hassan M, Garcia Rico E, Cui D, Parak W, Alvarez-Puebla R. SERS Quantification and Characterization of Proteins and Other Biomolecules. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2017; 33:9711-9730. [PMID: 28826207 DOI: 10.1021/acs.langmuir.7b01567] [Citation(s) in RCA: 89] [Impact Index Per Article: 12.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/20/2023]
Abstract
Changes in protein expression levels and protein structure may indicate genomic mutations and may be related to some diseases. Therefore, the precise quantification and characterization of proteins can be used for disease diagnosis. Compared with several other alternative methods, surface-enhanced Raman scattering (SERS) spectroscopy is regarded as an excellent choice for the quantification and structural characterization of proteins. Herein, we review the main advance of using plasmonic nanostructures as SERS sensing platform for this purpose. Three design approaches, including direct SERS, indirect SERS, and SERS-encoded nanoparticles, are discussed in the direction of developing new precise approaches of quantification and characterization of proteins. While this Review is focused on proteins, in order to highlight concepts of SERS-based sensors also detection of other biomolecules will be discussed.
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Affiliation(s)
- Neus Feliu
- Fachbereich Physik, Philipps Universität Marburg , 35037 Marburg, Germany
- Experimental Cancer Medicine, Department of Laboratory Medicine, Karolinska Institutet , Stockholm, 141 86 Sweden
| | - Moustapha Hassan
- Experimental Cancer Medicine, Department of Laboratory Medicine, Karolinska Institutet , Stockholm, 141 86 Sweden
| | - Eduardo Garcia Rico
- Fundacion de Investigacion HM Hospitales , San Bernardo 101, 28015 Madrid, Spain
- Centro Integral Oncologico Clara Campal (CIOCC) , Oña 10, 28050 Madrid, Spain
- Servicio de Oncologia Clinica, Hospital Universitario HM Torrelodones , Castillo de Olivares s/n, 28250 Torrelodones, Spain
- School of Medicine, San Pablo CEU , Calle Julián Romea, 18, 28003 Madrid, Spain
| | - Daxiang Cui
- Institute of Nano Biomedicine and Engineering, Key Laboratory for Thin Film and Microfabrication Technology of the Ministry of Education, Department of Instrument Science and Engineering, School of Electronic Information and Electrical Engineering, National Center for Translational Medicine, Shanghai Jiao Tong University , 200240 Shanghai, China
| | - Wolfgang Parak
- Fachbereich Physik, Philipps Universität Marburg , 35037 Marburg, Germany
- Institute of Nano Biomedicine and Engineering, Key Laboratory for Thin Film and Microfabrication Technology of the Ministry of Education, Department of Instrument Science and Engineering, School of Electronic Information and Electrical Engineering, National Center for Translational Medicine, Shanghai Jiao Tong University , 200240 Shanghai, China
- Fachbereich Physik und Chemie, Universität Hamburg , 20146 Harmburg, Germany
| | - Ramon Alvarez-Puebla
- Departamento de Química Física e Inorgánica, Universitat Rovira i Virgili , Carrer de Marcellí Domingo s/n, 43007 Tarragona, Spain
- ICREA , Passeig Lluís Companys 23, 08010 Barcelona, Spain
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52
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Zhang S, Geryak R, Geldmeier J, Kim S, Tsukruk VV. Synthesis, Assembly, and Applications of Hybrid Nanostructures for Biosensing. Chem Rev 2017; 117:12942-13038. [DOI: 10.1021/acs.chemrev.7b00088] [Citation(s) in RCA: 206] [Impact Index Per Article: 29.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Affiliation(s)
- Shuaidi Zhang
- School of Materials Science
and Engineering, Georgia Institute of Technology, Atlanta, Georgia 30332-0245, United States
| | - Ren Geryak
- School of Materials Science
and Engineering, Georgia Institute of Technology, Atlanta, Georgia 30332-0245, United States
| | - Jeffrey Geldmeier
- School of Materials Science
and Engineering, Georgia Institute of Technology, Atlanta, Georgia 30332-0245, United States
| | - Sunghan Kim
- School of Materials Science
and Engineering, Georgia Institute of Technology, Atlanta, Georgia 30332-0245, United States
| | - Vladimir V. Tsukruk
- School of Materials Science
and Engineering, Georgia Institute of Technology, Atlanta, Georgia 30332-0245, United States
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53
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Choi N, Lee J, Ko J, Jeon JH, Rhie GE, deMello AJ, Choo J. Integrated SERS-Based Microdroplet Platform for the Automated Immunoassay of F1 Antigens in Yersinia pestis. Anal Chem 2017; 89:8413-8420. [PMID: 28737374 DOI: 10.1021/acs.analchem.7b01822] [Citation(s) in RCA: 42] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023]
Abstract
The development of surface-enhanced Raman scattering (SERS)-based microfluidic platforms has attracted significant recent attention in the biological sciences. SERS is a highly sensitive detection modality, with microfluidic platforms providing many advantages over microscale methods, including high analytical throughput, facile automation, and reduced sample requirements. Accordingly, the integration of SERS with microfluidic platforms offers significant utility in chemical and biological experimentation. Herein, we report a fully integrated SERS-based microdroplet platform for the automatic immunoassay of specific antigen fraction 1 (F1) in Yersinia pestis. Specifically, highly efficient and rapid immunoreactions are achieved through sequential droplet generation, transport, and merging, while wash-free immunodetection is realized through droplet-splitting. Such integration affords a novel multifunctional platform capable of performing complex multistep immunoassays in nL-volume droplets. The limit of detection of the F1 antigen for Yersinia pestis using the integrated SERS-based microdroplet platform is 59.6 pg/mL, a value approximately 2 orders of magnitude more sensitive than conventional enzyme-linked immunosorbent assays. This assay system has additional advantages including reduced sample consumption (less than 100 μL), rapid assay times (less than 10 min), and fully automated fluid control. We anticipate that this integrated SERS-based microdroplet device will provide new insights in the development of facile assay platforms for various hazardous materials.
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Affiliation(s)
- Namhyun Choi
- Department of Bionano Technology, Hanyang University , Ansan 15588, South Korea
| | - Jiyoung Lee
- Department of Bionano Technology, Hanyang University , Ansan 15588, South Korea
| | - Juhui Ko
- Department of Bionano Technology, Hanyang University , Ansan 15588, South Korea
| | - Jun Ho Jeon
- Division of High-risk Pathogen Research, Center for Infectious Diseases, National Institute of Health , Cheongju 28159, South Korea
| | - Gi-Eun Rhie
- Division of High-risk Pathogen Research, Center for Infectious Diseases, National Institute of Health , Cheongju 28159, South Korea
| | - Andrew J deMello
- Department of Chemistry and Applied Biosciences, Institute of Chemical and Bioengineering, ETH Zürich , Vladimir Prelog Weg 1, 8093 Zürich, Switzerland
| | - Jaebum Choo
- Department of Bionano Technology, Hanyang University , Ansan 15588, South Korea
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54
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Navas-Moreno M, Mehrpouyan M, Chernenko T, Candas D, Fan M, Li JJ, Yan M, Chan JW. Nanoparticles for live cell microscopy: A surface-enhanced Raman scattering perspective. Sci Rep 2017; 7:4471. [PMID: 28667313 PMCID: PMC5493633 DOI: 10.1038/s41598-017-04066-0] [Citation(s) in RCA: 40] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2017] [Accepted: 05/11/2017] [Indexed: 11/09/2022] Open
Abstract
Surface enhanced Raman scattering (SERS) nanoparticles are an attractive alternative to fluorescent probes for biological labeling because of their photostability and multiplexing capabilities. However, nanoparticle size, shape, and surface properties are known to affect nanoparticle-cell interactions. Other issues such as the formation of a protein corona and antibody multivalency interfere with the labeling properties of nanoparticle-antibody conjugates. Hence, it is important to consider these aspects in order to validate such conjugates for live cell imaging applications. Using SERS nanoparticles that target HER2 and CD44 in breast cancer cells, we demonstrate labeling of fixed cells with high specificity that correlates well with fluorescent labels. However, when labeling live cells to monitor surface biomarker expression and dynamics, the nanoparticles are rapidly uptaken by the cells and become compartmentalized into different cellular regions. This behavior is in stark contrast to that of fluorescent antibody conjugates. This study highlights the impact of nanoparticle internalization and trafficking on the ability to use SERS nanoparticle-antibody conjugates to monitor cell dynamics.
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Affiliation(s)
- Maria Navas-Moreno
- University of California-Davis, Center for Biophotonics, Sacramento, 95817, USA
| | | | | | - Demet Candas
- University of California-Davis, Dept. of Radiation Oncology, Sacramento, 95817, USA
| | - Ming Fan
- University of California-Davis, Dept. of Radiation Oncology, Sacramento, 95817, USA
| | - Jian Jian Li
- University of California-Davis, Dept. of Radiation Oncology, Sacramento, 95817, USA
| | - Ming Yan
- BD Biosciences, San Jose, 95131, USA
| | - James W Chan
- University of California-Davis, Center for Biophotonics, Sacramento, 95817, USA.
- University of California-Davis, Dept. of Pathology and Laboratory Medicine, Sacramento, 95817, USA.
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55
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Darrigues E, Nima ZA, Majeed W, Vang-Dings KB, Dantuluri V, Biris AR, Zharov VP, Griffin RJ, Biris AS. Raman spectroscopy using plasmonic and carbon-based nanoparticles for cancer detection, diagnosis, and treatment guidance.Part 1: Diagnosis. Drug Metab Rev 2017; 49:212-252. [DOI: 10.1080/03602532.2017.1302465] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Affiliation(s)
- Emilie Darrigues
- Center for Integrative Nanotechnology Sciences, University of Arkansas at Little Rock, Little Rock, AR, USA
| | - Zeid A. Nima
- Center for Integrative Nanotechnology Sciences, University of Arkansas at Little Rock, Little Rock, AR, USA
| | - Waqar Majeed
- Center for Integrative Nanotechnology Sciences, University of Arkansas at Little Rock, Little Rock, AR, USA
| | - Kieng Bao Vang-Dings
- Center for Integrative Nanotechnology Sciences, University of Arkansas at Little Rock, Little Rock, AR, USA
| | - Vijayalakshmi Dantuluri
- Center for Integrative Nanotechnology Sciences, University of Arkansas at Little Rock, Little Rock, AR, USA
| | - Alexandru R. Biris
- National Institute for Research and Development of Isotopic and Molecular Technologies
| | - Vladimir P. Zharov
- Arkansas Nanomedicine Center, University of Arkansas for Medical Sciences, Little Rock, AR, USA
| | - Robert J. Griffin
- Arkansas Nanomedicine Center, University of Arkansas for Medical Sciences, Little Rock, AR, USA
- Department of Radiation Oncology, Arkansas Nanomedicine Center, University of Arkansas for Medical Sciences, Little Rock, AR, USA
| | - Alexandru S. Biris
- Center for Integrative Nanotechnology Sciences, University of Arkansas at Little Rock, Little Rock, AR, USA
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56
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Cheng Z, Choi N, Wang R, Lee S, Moon KC, Yoon SY, Chen L, Choo J. Simultaneous Detection of Dual Prostate Specific Antigens Using Surface-Enhanced Raman Scattering-Based Immunoassay for Accurate Diagnosis of Prostate Cancer. ACS NANO 2017; 11:4926-4933. [PMID: 28441008 DOI: 10.1021/acsnano.7b01536] [Citation(s) in RCA: 234] [Impact Index Per Article: 33.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/23/2023]
Abstract
Accurate analysis of specific biomarkers in clinical serum is essential for early diagnosis and treatment of cancer. Here, a surface-enhanced Raman scattering (SERS)-based immunoassay, using magnetic beads and SERS nano tags, was developed for the determination of free to total (f/t) prostate specific antigen (PSA) ratio to improve the diagnostic performance of prostate cancer. To assess the clinical applicability of the proposed method, SERS-based assays for the simultaneous detection of dual PSA markers, free PSA (f-PSA) and complexed PSA (c-PSA), were performed for clinical samples in the gray zone between 4.0 and 10.0 ng/mL. Our assay results for f/t PSA ratio showed a good linear correlation with those measured using the electrochemiluminescence (ECL) system installed in the clinical laboratory of the University Hospital. In addition, the simultaneous assay provided better precision than parallel assays for the detection of f-PSA and c-PSA in 13 clinical serum samples. Therefore, our SERS-based assay for simultaneous detection of dual PSA markers in clinical fluids has strong potential for application in the accurate diagnosis of prostate cancer.
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Affiliation(s)
- Ziyi Cheng
- Department of Bionano Technology, Hanyang University , Ansan 426-791, South Korea
| | - Namhyun Choi
- Department of Bionano Technology, Hanyang University , Ansan 426-791, South Korea
| | - Rui Wang
- Department of Bionano Technology, Hanyang University , Ansan 426-791, South Korea
| | - Sangyeop Lee
- Department of Bionano Technology, Hanyang University , Ansan 426-791, South Korea
| | - Kyung Chul Moon
- Department of Laboratory Medicine, Korea University College of Medicine , Seoul 152-854, South Korea
| | - Soo-Young Yoon
- Department of Laboratory Medicine, Korea University College of Medicine , Seoul 152-854, South Korea
| | - Lingxin Chen
- Key Laboratory of Coastal Environmental Processes and Ecological Remediation, Yantai Institute of Coastal Zone Research, Chinese Academy of Sciences , Yantai, Shandong 264003, China
| | - Jaebum Choo
- Department of Bionano Technology, Hanyang University , Ansan 426-791, South Korea
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57
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Krafft C, Schmitt M, Schie IW, Cialla-May D, Matthäus C, Bocklitz T, Popp J. Markerfreie molekulare Bildgebung biologischer Zellen und Gewebe durch lineare und nichtlineare Raman-spektroskopische Ansätze. Angew Chem Int Ed Engl 2017. [DOI: 10.1002/ange.201607604] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Affiliation(s)
- Christoph Krafft
- Leibniz-Institut für Photonische Technologien; Albert-Einstein-Straße 9 07745 Jena Deutschland
| | - Michael Schmitt
- Institut für Physikalische Chemie und Abbe Center of Photonics; Friedrich-Schiller-Universität Jena; Helmholtzweg 4 07743 Jena Deutschland
| | - Iwan W. Schie
- Leibniz-Institut für Photonische Technologien; Albert-Einstein-Straße 9 07745 Jena Deutschland
| | - Dana Cialla-May
- Leibniz-Institut für Photonische Technologien; Albert-Einstein-Straße 9 07745 Jena Deutschland
- Institut für Physikalische Chemie und Abbe Center of Photonics; Friedrich-Schiller-Universität Jena; Helmholtzweg 4 07743 Jena Deutschland
| | - Christian Matthäus
- Leibniz-Institut für Photonische Technologien; Albert-Einstein-Straße 9 07745 Jena Deutschland
- Institut für Physikalische Chemie und Abbe Center of Photonics; Friedrich-Schiller-Universität Jena; Helmholtzweg 4 07743 Jena Deutschland
| | - Thomas Bocklitz
- Leibniz-Institut für Photonische Technologien; Albert-Einstein-Straße 9 07745 Jena Deutschland
- Institut für Physikalische Chemie und Abbe Center of Photonics; Friedrich-Schiller-Universität Jena; Helmholtzweg 4 07743 Jena Deutschland
| | - Jürgen Popp
- Leibniz-Institut für Photonische Technologien; Albert-Einstein-Straße 9 07745 Jena Deutschland
- Institut für Physikalische Chemie und Abbe Center of Photonics; Friedrich-Schiller-Universität Jena; Helmholtzweg 4 07743 Jena Deutschland
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58
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Krafft C, Schmitt M, Schie IW, Cialla-May D, Matthäus C, Bocklitz T, Popp J. Label-Free Molecular Imaging of Biological Cells and Tissues by Linear and Nonlinear Raman Spectroscopic Approaches. Angew Chem Int Ed Engl 2017; 56:4392-4430. [PMID: 27862751 DOI: 10.1002/anie.201607604] [Citation(s) in RCA: 134] [Impact Index Per Article: 19.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2016] [Revised: 11/04/2016] [Indexed: 12/20/2022]
Abstract
Raman spectroscopy is an emerging technique in bioanalysis and imaging of biomaterials owing to its unique capability of generating spectroscopic fingerprints. Imaging cells and tissues by Raman microspectroscopy represents a nondestructive and label-free approach. All components of cells or tissues contribute to the Raman signals, giving rise to complex spectral signatures. Resonance Raman scattering and surface-enhanced Raman scattering can be used to enhance the signals and reduce the spectral complexity. Raman-active labels can be introduced to increase specificity and multimodality. In addition, nonlinear coherent Raman scattering methods offer higher sensitivities, which enable the rapid imaging of larger sampling areas. Finally, fiber-based imaging techniques pave the way towards in vivo applications of Raman spectroscopy. This Review summarizes the basic principles behind medical Raman imaging and its progress since 2012.
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Affiliation(s)
- Christoph Krafft
- Leibniz-Institut für Photonische Technologien, Albert-Einstein-Strasse 9, 07745, Jena, Germany
| | - Michael Schmitt
- Institut für Physikalische Chemie und Abbe Center für Photonics, Friedrich Schiller Universität Jena, Helmholtzweg 4, 07743, Jena, Germany
| | - Iwan W Schie
- Leibniz-Institut für Photonische Technologien, Albert-Einstein-Strasse 9, 07745, Jena, Germany
| | - Dana Cialla-May
- Leibniz-Institut für Photonische Technologien, Albert-Einstein-Strasse 9, 07745, Jena, Germany.,Institut für Physikalische Chemie und Abbe Center für Photonics, Friedrich Schiller Universität Jena, Helmholtzweg 4, 07743, Jena, Germany
| | - Christian Matthäus
- Leibniz-Institut für Photonische Technologien, Albert-Einstein-Strasse 9, 07745, Jena, Germany.,Institut für Physikalische Chemie und Abbe Center für Photonics, Friedrich Schiller Universität Jena, Helmholtzweg 4, 07743, Jena, Germany
| | - Thomas Bocklitz
- Leibniz-Institut für Photonische Technologien, Albert-Einstein-Strasse 9, 07745, Jena, Germany.,Institut für Physikalische Chemie und Abbe Center für Photonics, Friedrich Schiller Universität Jena, Helmholtzweg 4, 07743, Jena, Germany
| | - Jürgen Popp
- Leibniz-Institut für Photonische Technologien, Albert-Einstein-Strasse 9, 07745, Jena, Germany.,Institut für Physikalische Chemie und Abbe Center für Photonics, Friedrich Schiller Universität Jena, Helmholtzweg 4, 07743, Jena, Germany
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59
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Sangtani A, Nag OK, Field LD, Breger JC, Delehanty JB. Multifunctional nanoparticle composites: progress in the use of soft and hard nanoparticles for drug delivery and imaging. WILEY INTERDISCIPLINARY REVIEWS-NANOMEDICINE AND NANOBIOTECHNOLOGY 2017; 9. [PMID: 28299903 DOI: 10.1002/wnan.1466] [Citation(s) in RCA: 37] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/27/2016] [Revised: 01/04/2017] [Accepted: 01/29/2017] [Indexed: 01/01/2023]
Abstract
With continued advancements in nanoparticle (NP) synthesis and in the interfacing of NPs with biological systems has come the exponential growth in the use of NPs for therapeutic drug delivery and imaging applications. In recent years, the advent of NP multifunctionality-the ability to perform multiple, disparate functions on a single NP platform-has garnered much excitement for the potential realization of highly functional NP-mediated drug delivery for use in the clinical setting. This Overview will survey the current state of the art (reports published within the last 5 years) of multifunctional NPs for therapeutic drug delivery, imaging or a combination thereof. We provide extensive examples of both soft (micelles, liposomes, polymeric NPs) and hard (noble metals, quantum dots, metal oxides) NP formulations that have been used for multimodal drug delivery and imaging. The criteria for inclusion, herein, is that there must be at least two therapeutic drug cargos or imaging agents or a combination of the two. We next offer an assessment of the cytotoxicity of therapeutic NP constructs in biological systems. We then conclude with a forward-looking perspective on how we expect this field to develop in the coming years. WIREs Nanomed Nanobiotechnol 2017, 9:e1466. doi: 10.1002/wnan.1466 For further resources related to this article, please visit the WIREs website.
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Affiliation(s)
- Ajmeeta Sangtani
- Center for Bio/Molecular Science and Engineering, U.S. Naval Research Laboratory, Washington, DC, USA.,Fischell Department of Bioengineering, University of Maryland, College Park, MD, USA
| | - Okhil K Nag
- Center for Bio/Molecular Science and Engineering, U.S. Naval Research Laboratory, Washington, DC, USA.,National Research Council, Washington, DC, USA
| | - Lauren D Field
- Center for Bio/Molecular Science and Engineering, U.S. Naval Research Laboratory, Washington, DC, USA.,Fischell Department of Bioengineering, University of Maryland, College Park, MD, USA
| | - Joyce C Breger
- Center for Bio/Molecular Science and Engineering, U.S. Naval Research Laboratory, Washington, DC, USA
| | - James B Delehanty
- Center for Bio/Molecular Science and Engineering, U.S. Naval Research Laboratory, Washington, DC, USA
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60
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Wang Z, Zong S, Wang Z, Wu L, Chen P, Yun B, Cui Y. Microfluidic chip based micro RNA detection through the combination of fluorescence and surface enhanced Raman scattering techniques. NANOTECHNOLOGY 2017; 28:105501. [PMID: 28139463 DOI: 10.1088/1361-6528/aa527b] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/05/2023]
Abstract
We present a novel microfluidic chip based method for the detection of micro RNA (miRNA) via the combination of fluorescence and surface enhanced Raman scattering (SERS) spectroscopies. First, silver nanoparticles (Ag NPs) are immobilized onto a glass slide, forming a SERS enhancing substrate. Then a specificially designed molecular beacon (MB) is attached to the SERS substrate. The 3' end of the MB is decorated with a thiol group to facilitate the attachment of the MB, while the 5' end of the MB is labeled with an organic dye 6-FAM, which is used both as the fluorophore and SERS reporter. In the absence of target miRNA, the MB will form a hairpin structure, making 6-FAM close to the Ag NPs. Hence, the fluorescence of 6-FAM will be quenched and the Raman signal of 6-FAM will be enhanced. On the contrary, with target miRNA present, hybridization between the miRNA and MB will unfold the MB and increase the distance between 6-FAM and the Ag NPs. Thus the fluorescence of 6-FAM will recover and the SERS signal of 6-FAM will decrease. So the target miRNA will simultaneously introduce opposite changing trends in the intensities of the fluorescence and SERS signals. By combining the opposite changes in the two optical spectra, an improved sensitivity and linearity toward the target miRNA is achieved as compared with using solely fluorescence or SERS. Moreover, introducing the microfluidic chip can reduce the reaction time, reagent dosage and complexity of detection. With the improved sensitivity and simplicity, we anticipate that the presented method can have great potential in the investigation of miRNA related diseases.
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61
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Camacho SA, Sobral-Filho RG, Aoki PHB, Constantino CJL, Brolo AG. Immunoassay quantification using surface-enhanced fluorescence (SEF) tags. Analyst 2017; 142:2717-2724. [DOI: 10.1039/c7an00639j] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A fluorescence immunoassay based on surface-enhanced fluorescence (SEF) was introduced. The use of SEF tags may provide advantages over regular organic dyes for biomedical assays.
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Affiliation(s)
- S. A. Camacho
- São Paulo State University (UNESP)
- School of Technology and Applied Sciences
- Brazil
- University of Victoria
- Department of Chemistry
| | | | - P. H. B. Aoki
- University of Victoria
- Department of Chemistry
- Victoria
- Canada
- São Paulo State University (UNESP)
| | - C. J. L. Constantino
- São Paulo State University (UNESP)
- School of Technology and Applied Sciences
- Brazil
| | - A. G. Brolo
- University of Victoria
- Department of Chemistry
- Victoria
- Canada
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62
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Wang X, Choi N, Cheng Z, Ko J, Chen L, Choo J. Simultaneous Detection of Dual Nucleic Acids Using a SERS-Based Lateral Flow Assay Biosensor. Anal Chem 2016; 89:1163-1169. [PMID: 28194991 DOI: 10.1021/acs.analchem.6b03536] [Citation(s) in RCA: 160] [Impact Index Per Article: 20.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
A new class of surface-enhanced Raman scattering (SERS)-based lateral flow assay (LFA) biosensor has been developed for the simultaneous detection of dual DNA markers. The LFA strip in this sensor was composed of two test lines and one control line. SERS nano tags labeled with detection DNA probes were used for quantitative evaluation of dual DNA markers with high sensitivity. Target DNA, associated with Kaposi's sarcoma-associated herpesvirus (KSHV) and bacillary angiomatosis (BA), were tested to validate the detection capability of this SERS-based LFA strip. Characteristic peak intensities of SERS nano tags on two test lines were used for quantitative evaluations of KSHV and BA. The limits of detection for KSHV and BA, determined from our SERS-based LFA sensing platform, were estimated to be 0.043 and 0.074 pM, respectively. These values indicate approximately 10 000 times higher sensitivity than previously reported values using the aggregation-based colorimetric method. We believe that this is the first report of simultaneous detection of two different DNA mixtures using a SERS-based LFA platform. This novel detection technique is also a promising multiplex DNA sensing platform for early disease diagnosis.
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Affiliation(s)
- Xiaokun Wang
- Department of Bionano Engineering, Hanyang University , Ansan 426-791, South Korea
| | - Namhyun Choi
- Department of Bionano Engineering, Hanyang University , Ansan 426-791, South Korea
| | - Ziyi Cheng
- Department of Bionano Engineering, Hanyang University , Ansan 426-791, South Korea
| | - Juhui Ko
- Department of Bionano Engineering, Hanyang University , Ansan 426-791, South Korea
| | - Lingxin Chen
- Key Laboratory of Coastal Environmental Processes and Ecological Remediation, Yantai Institute of Coastal Zone Research, Chinese Academy of Sciences , Yantai 264003, China
| | - Jaebum Choo
- Department of Bionano Engineering, Hanyang University , Ansan 426-791, South Korea
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63
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Ngo HT, Gandra N, Fales AM, Taylor SM, Vo-Dinh T. Sensitive DNA detection and SNP discrimination using ultrabright SERS nanorattles and magnetic beads for malaria diagnostics. Biosens Bioelectron 2016; 81:8-14. [PMID: 26913502 PMCID: PMC4835027 DOI: 10.1016/j.bios.2016.01.073] [Citation(s) in RCA: 74] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2015] [Revised: 01/23/2016] [Accepted: 01/28/2016] [Indexed: 12/18/2022]
Abstract
One of the major obstacles to implement nucleic acid-based molecular diagnostics at the point-of-care (POC) and in resource-limited settings is the lack of sensitive and practical DNA detection methods that can be seamlessly integrated into portable platforms. Herein we present a sensitive yet simple DNA detection method using a surface-enhanced Raman scattering (SERS) nanoplatform: the ultrabright SERS nanorattle. The method, referred to as the nanorattle-based method, involves sandwich hybridization of magnetic beads that are loaded with capture probes, target sequences, and ultrabright SERS nanorattles that are loaded with reporter probes. Upon hybridization, a magnet was applied to concentrate the hybridization sandwiches at a detection spot for SERS measurements. The ultrabright SERS nanorattles, composed of a core and a shell with resonance Raman reporters loaded in the gap space between the core and the shell, serve as SERS tags for signal detection. Using this method, a specific DNA sequence of the malaria parasite Plasmodium falciparum could be detected with a detection limit of approximately 100 attomoles. Single nucleotide polymorphism (SNP) discrimination of wild type malaria DNA and mutant malaria DNA, which confers resistance to artemisinin drugs, was also demonstrated. These test models demonstrate the molecular diagnostic potential of the nanorattle-based method to both detect and genotype infectious pathogens. Furthermore, the method's simplicity makes it a suitable candidate for integration into portable platforms for POC and in resource-limited settings applications.
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Affiliation(s)
- Hoan T Ngo
- Fitzpatrick Institute for Photonics, Duke University, Durham, NC 27708, USA; Department of Biomedical Engineering, Duke University, Durham, NC 27708, USA
| | - Naveen Gandra
- Fitzpatrick Institute for Photonics, Duke University, Durham, NC 27708, USA; Department of Biomedical Engineering, Duke University, Durham, NC 27708, USA
| | - Andrew M Fales
- Fitzpatrick Institute for Photonics, Duke University, Durham, NC 27708, USA; Department of Biomedical Engineering, Duke University, Durham, NC 27708, USA
| | - Steve M Taylor
- Fitzpatrick Institute for Photonics, Duke University, Durham, NC 27708, USA; Department of Medicine & Duke Global Health Institute, Duke University, Durham, NC 27708, USA
| | - Tuan Vo-Dinh
- Fitzpatrick Institute for Photonics, Duke University, Durham, NC 27708, USA; Department of Biomedical Engineering, Duke University, Durham, NC 27708, USA; Department of Chemistry, Duke University, Durham, NC 27708, USA.
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Kim H, Seol ML, Lee DI, Lee J, Kang IS, Lee H, Kang T, Choi YK, Kim B. Single nanowire on graphene (SNOG) as an efficient, reproducible, and stable SERS-active platform. NANOSCALE 2016; 8:8878-8886. [PMID: 27071328 DOI: 10.1039/c6nr00092d] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
Abstract
Developing a well-defined nanostructure that can provide strong, reproducible, and stable SERS signals is quite important for the practical application of surface-enhanced Raman scattering (SERS) sensors. We report here a novel single nanowire (NW) on graphene (SNOG) structure as an efficient, reproducible, and stable SERS-active platform. Au NWs having a well-defined single-crystal geometry on a monolayer graphene-coated metal film can form a well-defined, continuous nanogap structure that provides extremely reproducible and stable SERS signals. The in-NW reproducibility was verified by 2-dimensional Raman mapping, and the NW-to-NW reproducibility was verified by the cumulative curves of 32 SERS spectra. The simulation also indicated that a highly regular, line-shaped hot spot formed between the Au NW and graphene. Furthermore, SNOG platforms showed improved photostability and long-term oxidation immunity. We anticipate that SNOG platforms will be appropriate for practical biological and chemical sensor applications that demand reproducible, stable, and strong signal production.
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Affiliation(s)
- Hongki Kim
- Department of Chemistry, KAIST, Yuseong-gu, Daejeon 34141, Korea.
| | - Myeong-Lok Seol
- Department of Electrical Engineering, KAIST, Yuseong-gu, Daejeon 34141, Korea.
| | - Dong-Il Lee
- Department of Electrical Engineering, KAIST, Yuseong-gu, Daejeon 34141, Korea.
| | - Jiyoung Lee
- Department of Chemistry, KAIST, Yuseong-gu, Daejeon 34141, Korea.
| | - Il-Suk Kang
- National Nanofab Center, KAIST, Yuseong-gu, Daejeon 34141, Korea
| | - Hyoban Lee
- Department of Chemistry, KAIST, Yuseong-gu, Daejeon 34141, Korea.
| | - Taejoon Kang
- Hazards Monitoring Bionano Research Center and BioNano Health Guard Research Center, KRIBB, Yuseong-gu, Daejeon 34141, Korea. and Major of Nanobiotechnology and Bioinformatics, UST, Yuseong-gu, Daejeon 34141, Korea
| | - Yang-Kyu Choi
- Department of Electrical Engineering, KAIST, Yuseong-gu, Daejeon 34141, Korea.
| | - Bongsoo Kim
- Department of Chemistry, KAIST, Yuseong-gu, Daejeon 34141, Korea.
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Sui C, Wang K, Wang S, Ren J, Bai X, Bai J. SERS activity with tenfold detection limit optimization on a type of nanoporous AAO-based complex multilayer substrate. NANOSCALE 2016; 8:5920-5927. [PMID: 26911325 DOI: 10.1039/c5nr06771e] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
Abstract
Most of SERS applications are constricted by heterogeneous hotspots and aggregates of nanostructure, which result in low sensitivity and poor reproducibility of characteristic signals. This work intends to introduce SERS properties of a type of SERS-active substrate, Au-CuCl2-AAO, which is innovatively developed on a porous anodic alumina oxide (AAO) template. Spectral measuring results of Rhodamine 6G (R6G) on this substrate optimized by controlling morphology and gold thickness showed that enhancement factor (2.30 × 10(7)) and detection limit (10(-10) M) were both improved and represented better performance than its template AAO. Homogenous hot spots across the region of interest were achieved by scanning SERS intensity distribution for the band at 1505 cm(-1) in 5 × 5 μm(2) area. Furthermore, the promising SERS activity of the flower-patterned substrate was theoretically explained through simulation of the electromagnetic field distribution. In addition, this SERS substrate is proposed for applications within the field of chemical and biochemical analyses.
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Affiliation(s)
- Chaofan Sui
- National Key Laboratory Base of Photoelectric Technology & Functional Materials Co-Sponsored by Province and Ministry, Institute of Photonics & Photon-Technology, Northwest University, Xi'an, 710069, China.
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67
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Hu C, Shen J, Yan J, Zhong J, Qin W, Liu R, Aldalbahi A, Zuo X, Song S, Fan C, He D. Highly narrow nanogap-containing Au@Au core-shell SERS nanoparticles: size-dependent Raman enhancement and applications in cancer cell imaging. NANOSCALE 2016; 8:2090-6. [PMID: 26701141 DOI: 10.1039/c5nr06919j] [Citation(s) in RCA: 40] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/23/2023]
Abstract
Cellular imaging technologies employing metallic surface-enhanced Raman scattering (SERS) tags have gained much interest toward clinical diagnostics, but they are still suffering from poor controlled distribution of hot spots and reproducibility of SERS signals. Here, we report the fabrication and characterization of high narrow nanogap-containing Au@Au core-shell SERS nanoparticles (GCNPs) for the identification and imaging of proteins overexpressed on the surface of cancer cells. First, plasmonic nanostructures are made of gold nanoparticles (∼15 nm) coated with gold shells, between which a highly narrow and uniform nanogap (∼1.1 nm) is formed owing to polyA anchored on the Au cores. The well controlled distribution of Raman reporter molecules, such as 4,4'-dipyridyl (44DP) and 5,5'-dithiobis(2-nitrobenzoic acid) (DTNB), are readily encoded in the nanogap and can generate strong, reproducible SERS signals. In addition, we have investigated the size-dependent SERS activity of GCNPs and found that with the same laser wavelength, the Raman enhancement discriminated between particle sizes. The maximum Raman enhancement was achieved at a certain threshold of particle size (∼76 nm). High narrow nanogap-containing Au@Au core-shell SERS tags (GCTs) were prepared via the functionalization of hyaluronic acid (HA) on GCNPs, which recognized the CD44 receptor, a tumor-associated surface biomarker. And it was shown that GCTs have a good targeting ability to tumour cells and promising prospects for multiplex biomarker detection.
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Affiliation(s)
- Chongya Hu
- School of Materials Science and Engineering, Shanghai Jiao Tong University, Shanghai 200240, China.
| | - Jianlei Shen
- Division of Physical Biology & Bioimaging Center, Shanghai Synchrotron Radiation Facility, Shanghai Institute of Applied Physics, Chinese Academy of Sciences, Shanghai 201800, China
| | - Juan Yan
- National Engineering Research Center for Nanotechnology, Shanghai 200241, China. and Shanghai Ocean University, Shanghai 201306, China
| | - Jian Zhong
- National Engineering Research Center for Nanotechnology, Shanghai 200241, China. and Shanghai Ocean University, Shanghai 201306, China
| | - Weiwei Qin
- Division of Physical Biology & Bioimaging Center, Shanghai Synchrotron Radiation Facility, Shanghai Institute of Applied Physics, Chinese Academy of Sciences, Shanghai 201800, China
| | - Rui Liu
- National Engineering Research Center for Nanotechnology, Shanghai 200241, China.
| | - Ali Aldalbahi
- Chemistry Department, King Saud University, P.O. Box 2455, Riyadh 11451, Saudi Arabia
| | - Xiaolei Zuo
- Division of Physical Biology & Bioimaging Center, Shanghai Synchrotron Radiation Facility, Shanghai Institute of Applied Physics, Chinese Academy of Sciences, Shanghai 201800, China
| | - Shiping Song
- Division of Physical Biology & Bioimaging Center, Shanghai Synchrotron Radiation Facility, Shanghai Institute of Applied Physics, Chinese Academy of Sciences, Shanghai 201800, China
| | - Chunhai Fan
- Division of Physical Biology & Bioimaging Center, Shanghai Synchrotron Radiation Facility, Shanghai Institute of Applied Physics, Chinese Academy of Sciences, Shanghai 201800, China
| | - Dannong He
- School of Materials Science and Engineering, Shanghai Jiao Tong University, Shanghai 200240, China. and National Engineering Research Center for Nanotechnology, Shanghai 200241, China.
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Chao J, Cao W, Su S, Weng L, Song S, Fan C, Wang L. Nanostructure-based surface-enhanced Raman scattering biosensors for nucleic acids and proteins. J Mater Chem B 2016; 4:1757-1769. [PMID: 32263053 DOI: 10.1039/c5tb02135a] [Citation(s) in RCA: 65] [Impact Index Per Article: 8.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Abstract
Detection of nucleic acid and protein targets related to human health and safety has attracted widespread attention. Surface-enhanced Raman scattering (SERS) is a powerful tool for biomarker detection because of its ultrahigh detection sensitivity and unique fingerprinting spectra. In this review, we first introduce the development of nanostructure-based SERS-active substrates and SERS nanotags, which greatly influence the performance of SERS biosensors. We then focus on recent advances in SERS biosensors for DNA, microRNA and protein determination, including label-free, labeled and multiplex analyses as well as in vivo imaging. Finally, the prospects and challenges of such nanostructure-based SERS biosensors are discussed.
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Affiliation(s)
- Jie Chao
- Key Laboratory for Organic Electronics and Information Displays & Institute of Advanced Materials (IAM), Jiangsu National Synergetic Innovation Center for Advanced Materials (SICAM), Nanjing University of Posts & Telecommunications, 9 Wenyuan Road, Nanjing 210023, China.
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69
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Chen Y, Bai X, Su L, Du Z, Shen A, Materny A, Hu J. Combined Labelled and Label-free SERS Probes for Triplex Three-dimensional Cellular Imaging. Sci Rep 2016; 6:19173. [PMID: 26781186 PMCID: PMC4726017 DOI: 10.1038/srep19173] [Citation(s) in RCA: 41] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2014] [Accepted: 12/02/2015] [Indexed: 01/12/2023] Open
Abstract
Cells are complex chemical systems, where the molecular composition at different cellular locations and specific intracellular chemical interactions determine the biological function. An in-situ nondestructive characterization of the complicated chemical processes (like e.g. apoptosis) is the goal of our study. Here, we present the results of simultaneous and three-dimensional imaging of double organelles (nucleus and membrane) in single HeLa cells by means of either labelled or label-free surface-enhanced Raman spectroscopy (SERS). This combination of imaging with and without labels is not possible when using fluorescence microscopy. The SERS technique is used for a stereoscopic description of the intrinsic chemical nature of nuclei and the precise localization of folate (FA) and luteinizing hormone-releasing hormone (LHRH) on the membrane under highly confocal conditions. We also report on the time-dependent changes of cell nuclei as well as membrane receptor proteins during apoptosis analyzed by statistical multivariate methods. The multiplex three-dimensional SERS imaging technique allows for both temporal (real time) and spatial (multiple organelles and molecules in three-dimensional space) live-cell imaging and therefore provides a new and attractive 2D/3D tracing method in biomedicine on subcellular level.
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Affiliation(s)
- Yong Chen
- Key Laboratory of Analytical Chemistry for Biology and Medicine, Ministry of Education, College of Chemistry and Molecular Sciences, Wuhan University, Wuhan 430072 (China)
| | - Xiangru Bai
- Key Laboratory of Analytical Chemistry for Biology and Medicine, Ministry of Education, College of Chemistry and Molecular Sciences, Wuhan University, Wuhan 430072 (China)
| | - Le Su
- Key Laboratory of Analytical Chemistry for Biology and Medicine, Ministry of Education, College of Chemistry and Molecular Sciences, Wuhan University, Wuhan 430072 (China)
| | - Zhanwei Du
- College of Computer Science and Technology, Jilin University, Changchun 130012 (China)
| | - Aiguo Shen
- Key Laboratory of Analytical Chemistry for Biology and Medicine, Ministry of Education, College of Chemistry and Molecular Sciences, Wuhan University, Wuhan 430072 (China)
| | - Arnulf Materny
- Department of Physics & Earth Sciences, Focus Area Health, Jacobs University Bremen, Campus Ring 1, 28759 Bremen (Germany)
| | - Jiming Hu
- Key Laboratory of Analytical Chemistry for Biology and Medicine, Ministry of Education, College of Chemistry and Molecular Sciences, Wuhan University, Wuhan 430072 (China)
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Affiliation(s)
- Sanpon Vantasin
- Department of Chemistry, School of Science and Technology, Kwansei Gakuin University, Sanda, Hyogo 669-1336, Japan
| | - Yukihiro Ozaki
- Department of Chemistry, School of Science and Technology, Kwansei Gakuin University, Sanda, Hyogo 669-1336, Japan
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71
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Yang X, Fu S, Ren G, Chai F, Qu F. Facile Preparation of 2,6-Pyridinedicarboxylic Acid Protected Gold Nanoparticles with Sensitive Chromium-Ion Sensing and Efficient Catalysis. Eur J Inorg Chem 2015. [DOI: 10.1002/ejic.201500796] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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Affiliation(s)
- Wen Zhou
- College of Chemistry, Research Center for Analytical Sciences, State Key Laboratory of Medicinal Chemical Biology, Tianjin Key Laboratory of Molecular Recognition and Biosensing, and Collaborative Innovation Center of Chemical Science and Engineering, Nankai University, 94 Weijin Road, Tianjin 300071, China
| | - Xia Gao
- College of Chemistry, Research Center for Analytical Sciences, State Key Laboratory of Medicinal Chemical Biology, Tianjin Key Laboratory of Molecular Recognition and Biosensing, and Collaborative Innovation Center of Chemical Science and Engineering, Nankai University, 94 Weijin Road, Tianjin 300071, China
| | - Dingbin Liu
- College of Chemistry, Research Center for Analytical Sciences, State Key Laboratory of Medicinal Chemical Biology, Tianjin Key Laboratory of Molecular Recognition and Biosensing, and Collaborative Innovation Center of Chemical Science and Engineering, Nankai University, 94 Weijin Road, Tianjin 300071, China
| | - Xiaoyuan Chen
- Laboratory of Molecular Imaging and Nanomedicine (LOMIN), National Institute of Biomedical Imaging and Bioengineering (NIBIB), National Institutes of Health (NIH), Bethesda, Maryland 20892, United States
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73
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Wang YW, Kang S, Khan A, Bao PQ, Liu JT. In vivo multiplexed molecular imaging of esophageal cancer via spectral endoscopy of topically applied SERS nanoparticles. BIOMEDICAL OPTICS EXPRESS 2015; 6:3714-23. [PMID: 26504623 PMCID: PMC4605032 DOI: 10.1364/boe.6.003714] [Citation(s) in RCA: 69] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/10/2015] [Revised: 08/10/2015] [Accepted: 08/24/2015] [Indexed: 05/19/2023]
Abstract
The biological investigation and detection of esophageal cancers could be facilitated with an endoscopic technology to screen for the molecular changes that precede and accompany the onset of cancer. Surface-enhanced Raman scattering (SERS) nanoparticles (NPs) have the potential to improve cancer detection and investigation through the sensitive and multiplexed detection of cell-surface biomarkers. Here, we demonstrate that the topical application and endoscopic imaging of a multiplexed cocktail of receptor-targeted SERS NPs enables the rapid detection of tumors in an orthotopic rat model of esophageal cancer. Antibody-conjugated SERS NPs were topically applied on the lumenal surface of the rat esophagus to target EGFR and HER2, and a miniature spectral endoscope featuring rotational scanning and axial pull-back was employed to comprehensively image the NPs bound on the lumen of the esophagus. Ratiometric analyses of specific vs. nonspecific binding enabled the visualization of tumor locations and the quantification of biomarker expression in agreement with immunohistochemistry and flow cytometry validation data.
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Affiliation(s)
- Yu Winston Wang
- Department of Mechanical Engineering, University of Washington, Seattle, WA 98195, USA
| | - Soyoung Kang
- Department of Mechanical Engineering, University of Washington, Seattle, WA 98195, USA
| | - Altaz Khan
- Department of Biomedical Engineering, Stony Brook University (SUNY), Stony Brook, NY 11794, USA
| | - Philip Q. Bao
- Department of Surgery, Stony Brook Medicine, Stony Brook, NY 11794, USA
| | - Jonathan T.C. Liu
- Department of Mechanical Engineering, University of Washington, Seattle, WA 98195, USA
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74
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Zhao L, Kim TH, Kim HW, Ahn JC, Kim SY. Surface-enhanced Raman scattering (SERS)-active gold nanochains for multiplex detection and photodynamic therapy of cancer. Acta Biomater 2015; 20:155-164. [PMID: 25848726 DOI: 10.1016/j.actbio.2015.03.036] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2014] [Revised: 03/13/2015] [Accepted: 03/31/2015] [Indexed: 11/19/2022]
Abstract
Multifunctional nanomedicine holds considerable promise as the next generation of medicine that will enable early detection of diseases, as well as simultaneous monitoring and therapy with minimal toxicity. In particular, surface-enhanced Raman scattering (SERS) technology with high sensitivity and multiplexing capabilities is emerging as a powerful alternative for identifying specific biological targets in live cells. In this paper, we present the synthesis of SERS-active gold nanochains (AuNCs) as a potential theranostic system for multiplex detection and photodynamic therapy (PDT) of cancer. AuNCs were prepared by a simple physical mixing method to assemble citrate-stabilized gold nanoparticles into nanochains using hyaluronic acid and hydrocaffeic acid (HA-HCA) conjugates as templates. In addition, Raman reporters and photosensitizers (PSs) were conjugated onto the surface of the AuNCs for multiplex detection and PDT action. After mixing with HA-HCA conjugates, citrate-stabilized gold nanoparticles formed the AuNC structure, and AuNC length was controlled by the HCA conjugation ratio in the HA-HCA conjugates. AuNCs exhibited maximal absorption in the near-infrared (NIR) spectral region and effective SERS property. Confocal microscopy, flow cytometry, Raman spectroscopy and Bio-TEM measurements were used to determine cellular uptake of the Raman reporter, PS and AuNCs in HeLa cells. AuNCs conjugated with Raman reporter and PS (HA-HCAn-Au-Pheo-NPT) showed more than 99% cellular uptake and exhibited excellent phototoxicity even at low PS concentrations compared with free PS after laser irradiation. This SERS-active AuNC (HA-HCAn-Au-Pheo-NPT) shows promise for applications in theranostics, integrating SERS imaging and PDT.
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Affiliation(s)
- Linlin Zhao
- Graduate School of Energy Science and Technology, Chungnam National University, Daejeon 305-764, South Korea
| | - Tae-Hyun Kim
- Department of Nanobiomedical Science and BK21 PLUS NBM Global Research Center for Regenerative Medicine, Dankook University, Cheonan 330-714, South Korea; Institute of Tissue Regeneration Engineering (ITREN), Dankook University, Cheonan 330-714, South Korea
| | - Hae-Won Kim
- Department of Nanobiomedical Science and BK21 PLUS NBM Global Research Center for Regenerative Medicine, Dankook University, Cheonan 330-714, South Korea; Institute of Tissue Regeneration Engineering (ITREN), Dankook University, Cheonan 330-714, South Korea; Department of Biomaterials Science, College of Dentistry, Dankook University, 330-714, South Korea
| | - Jin-Chul Ahn
- Beckman Laser Institute Korea, Dankook University, Cheonan 330-714, South Korea
| | - So Yeon Kim
- Graduate School of Energy Science and Technology, Chungnam National University, Daejeon 305-764, South Korea; Department of Chemical Engineering Education, College of Education, Chungnam National University, Daejeon 305-764, South Korea.
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75
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Jalani G, Cerruti M. Nano graphene oxide-wrapped gold nanostars as ultrasensitive and stable SERS nanoprobes. NANOSCALE 2015; 7:9990-7. [PMID: 25981393 DOI: 10.1039/c4nr07473d] [Citation(s) in RCA: 40] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/25/2023]
Abstract
We report a facile method to synthesize highly branched gold nanostars wrapped with nano graphene oxide (nGO) sheets with or without the addition of Raman dyes, as nanoprobes with high SERS activity. Both cysteamine and nGO are added to gold nanostars; the positively charged amino groups help self-assembly of nGO flakes around the nanostars. This increases the Raman signal of nGO by 5.3 folds compared to samples in which nGO is in contact with the nanostars but does not wrap them. We also prepare dye-based SERS nanoprobes by sandwiching a typical Raman reporter such as Rhodamine B (RhB), Crystal Violet (CV) and Rhodamine 6G (R6G) between the nanostars and the nGO coating. The Raman signals of RhB are 5.2 times larger when sandwiched between nGO and nanostars than if the molecules are just adsorbed on the nanostar surface, and similar enhancements are observed for the other dyes. In addition to improving SERS efficiency, the wrapping greatly improves the stability of the dye-based nanoprobes, showing a reproducible Raman signal of RhB for over a week in simulated body fluids at 37 °C. High SERS signal, facile fabrication method and excellent stability make these nanoprobes highly promising for SERS-based biosensing and bioimaging applications.
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Affiliation(s)
- Ghulam Jalani
- Department of Mining and Materials Engineering, McGill University, Montreal, QC H3A 0C5, Canada.
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76
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Lin M, Wang Y, Sun X, Wang W, Chen L. "Elastic" property of mesoporous silica shell: for dynamic surface enhanced Raman scattering ability monitoring of growing noble metal nanostructures via a simplified spatially confined growth method. ACS APPLIED MATERIALS & INTERFACES 2015; 7:7516-25. [PMID: 25815901 DOI: 10.1021/acsami.5b01077] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/20/2023]
Abstract
The Raman enhancing ability of noble metal nanoparticles (NPs) is an important factor for surface enhanced Raman scattering (SERS) substrate screening, which is generally evaluated by simply mixing as-prepared NPs with Raman reporters for Raman signal measurements. This method usually leads to incredible results because of the NP surface coverage nonuniformity and reporter-induced NP aggregation. Moreover, it cannot realize in situ, continuous SERS characterization. Herein, we proposed a dynamic SERS monitoring strategy for NPs with precisely tuned structures based on a simplified spatially confined NP growth method. Gold nanorod (AuNR) seed NPs were coated with a mesoporous silica (mSiO2) shell. The permeability of mSiO2 for both reactive species and Raman reporters rendered the silver overcoating reaction and SERS indication of NP growth. Additionally, the mSiO2 coating ensured monodisperse NP growth in a Raman reporter-rich reaction system. Moreover, "elastic" features of mSiO2 were observed for the first time, which is crucial for holding the growing NP without breakage. This feature makes the mSiO2 coating adhere to metal NPs throughout the growing process, providing a stable Raman reporter distribution microenvironment near the NPs and ensuring that the substrate's SERS ability comparison is accurate. Three types of NPs, i.e., core-shell Au@AgNR@mSiO2, Au@AuNR@mSiO2, and yolk-shell Au@void@AuNR@mSiO2 NPs, were synthesized via core-shell overgrowth and galvanic replacement methods, showing the versatility of the approach. The living cell SERS labeling ability of Au@AgNR@mSiO2-based tags was also demonstrated. This strategy addresses the problems of multiple batch NP preparation, aggregation, and surface adsorption differentiation, which is a breakthrough for the dynamic comparison of SERS ability of metal NPs with precisely tuned structures and optical properties.
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Affiliation(s)
- Min Lin
- †School of Pharmacy, Yantai University, Yantai, Shandong 264005, China
- §Key Laboratory of Coastal Environmental Processes and Ecological Remediation, Yantai Institute of Coastal Zone Research, Chinese Academy of Sciences, Yantai, Shandong 264003, China
| | - Yunqing Wang
- §Key Laboratory of Coastal Environmental Processes and Ecological Remediation, Yantai Institute of Coastal Zone Research, Chinese Academy of Sciences, Yantai, Shandong 264003, China
| | - Xiuyan Sun
- †School of Pharmacy, Yantai University, Yantai, Shandong 264005, China
| | - Wenhai Wang
- §Key Laboratory of Coastal Environmental Processes and Ecological Remediation, Yantai Institute of Coastal Zone Research, Chinese Academy of Sciences, Yantai, Shandong 264003, China
| | - Lingxin Chen
- §Key Laboratory of Coastal Environmental Processes and Ecological Remediation, Yantai Institute of Coastal Zone Research, Chinese Academy of Sciences, Yantai, Shandong 264003, China
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77
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Fluorescence-Raman dual modal endoscopic system for multiplexed molecular diagnostics. Sci Rep 2015; 5:9455. [PMID: 25820115 PMCID: PMC4377550 DOI: 10.1038/srep09455] [Citation(s) in RCA: 52] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2014] [Accepted: 03/05/2015] [Indexed: 12/20/2022] Open
Abstract
Optical endoscopic imaging, which was recently equipped with bioluminescence, fluorescence, and Raman scattering, allows minimally invasive real-time detection of pathologies on the surface of hollow organs. To characterize pathologic lesions in a multiplexed way, we developed a dual modal fluorescence-Raman endomicroscopic system (FRES), which used fluorescence and surface-enhanced Raman scattering nanoprobes (F-SERS dots). Real-time, in vivo, and multiple target detection of a specific cancer was successful, based on the fast imaging capability of fluorescence signals and the multiplex capability of simultaneously detected SERS signals using an optical fiber bundle for intraoperative endoscopic system. Human epidermal growth factor receptor 2 (HER2) and epidermal growth factor receptor (EGFR) on the breast cancer xenografts in a mouse orthotopic model were successfully detected in a multiplexed way, illustrating the potential of FRES as a molecular diagnostic instrument that enables real-time tumor characterization of receptors during routine endoscopic procedures.
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78
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Fang PP, Lu X, Liu H, Tong Y. Applications of shell-isolated nanoparticles in surface-enhanced Raman spectroscopy and fluorescence. Trends Analyt Chem 2015. [DOI: 10.1016/j.trac.2014.11.015] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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79
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Gupta N, Gupta D, Aggarwal S, Siddhanta S, Narayana C, Barshilia HC. Thermally stable plasmonic nanocermets grown on microengineered surfaces as versatile surface enhanced Raman spectroscopy sensors for multianalyte detection. ACS APPLIED MATERIALS & INTERFACES 2014; 6:22733-22742. [PMID: 25456045 DOI: 10.1021/am506879h] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/04/2023]
Abstract
Noble metal nanoparticle-based plasmonic sensors, fabricated by top-down and colloidal routes, are widely used for high sensitivity detection of diverse analyte molecules using surface enhanced Raman spectroscopy (SERS). However, most of these sensors do not show stability under harsh environments, which limits their use as versatile SERS substrates. In this work, we report the first use of plasmonic nanocermets, grown on microengineered Si surfaces, as potential candidates for a highly robust SERS sensor. The robustness of the sensor is attributed to the anchoring of the nanoparticles in the nanocermet, which is an important factor for exploiting its reusability. The fairly uniform distribution of nanoparticles in the sensor led to high enhancement factors (10(6)-10(7)) and enabled the detection of low concentrations of a wide range of analytes, including differently charged biomolecules, which is extremely difficult for other SERS sensors. With more precise control over the particle geometry and distribution, plasmonic nanocermets may play an important role in ultrasensitive SERS measurements in adverse conditions such as high temperature.
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Affiliation(s)
- Nitant Gupta
- Nanomaterials Research Laboratory, Surface Engineering Division, CSIR-National Aerospace Laboratories , Bangalore 560 017, India
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80
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Microfluidic platform towards point-of-care diagnostics in infectious diseases. J Chromatogr A 2014; 1377:13-26. [PMID: 25544727 DOI: 10.1016/j.chroma.2014.12.041] [Citation(s) in RCA: 128] [Impact Index Per Article: 12.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2014] [Revised: 12/06/2014] [Accepted: 12/09/2014] [Indexed: 01/09/2023]
Abstract
Rapid and timely diagnosis of infectious diseases is a critical determinant of clinical outcomes and general public health. For the detection of various pathogens, microfluidics-based platforms offer many advantages, including speed, cost, portability, high throughput, and automation. This review provides an overview of the recent advances in microfluidic technologies for point-of-care (POC) diagnostics for infectious diseases. The key aspects of such technologies for the development of a fully integrated POC platform are introduced, including sample preparation, on-chip nucleic acid analysis and immunoassay, and system integration/automation. The current challenges to practical implementation of this technology are discussed together with future perspectives.
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Xie W, Schlücker S. Rationally designed multifunctional plasmonic nanostructures for surface-enhanced Raman spectroscopy: a review. REPORTS ON PROGRESS IN PHYSICS. PHYSICAL SOCIETY (GREAT BRITAIN) 2014; 77:116502. [PMID: 25373417 DOI: 10.1088/0034-4885/77/11/116502] [Citation(s) in RCA: 42] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/26/2023]
Abstract
Rationally designed multifunctional plasmonic nanostructures efficiently integrate two or more functionalities into a single entity, for example, with both plasmonic and catalytic activity. This review article is focused on their synthesis and use in surface-enhanced Raman scattering (SERS) as a molecular spectroscopic technique with high sensitivity, fingerprint specificity, and surface selectivity. After a short tutorial on the fundamentals of Raman scattering and SERS in particular, applications ranging from chemistry (heterogeneous catalysis) to biology and medicine (diagnostics/imaging, therapy) are summarized.
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Affiliation(s)
- Wei Xie
- Faculty of Chemistry, University of Duisburg-Essen, D-45141 Essen, Germany
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82
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Chung E, Lee J, Yu J, Lee S, Kang JH, Chung IY, Choo J. Use of surface-enhanced Raman scattering to quantify EGFR markers uninhibited by cetuximab antibodies. Biosens Bioelectron 2014; 60:358-65. [DOI: 10.1016/j.bios.2014.04.041] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2014] [Revised: 04/15/2014] [Accepted: 04/22/2014] [Indexed: 10/25/2022]
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83
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Wang YW, Khan A, Leigh SY, Wang D, Chen Y, Meza D, Liu JT. Comprehensive spectral endoscopy of topically applied SERS nanoparticles in the rat esophagus. BIOMEDICAL OPTICS EXPRESS 2014; 5:2883-95. [PMID: 25401005 PMCID: PMC4230873 DOI: 10.1364/boe.5.002883] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/25/2014] [Revised: 06/11/2014] [Accepted: 07/24/2014] [Indexed: 05/09/2023]
Abstract
The early detection and biological investigation of esophageal cancer would benefit from the development of advanced imaging techniques to screen for the molecular changes that precede and accompany the onset of cancer. Surface-enhanced Raman scattering (SERS) nanoparticles (NPs) have the potential to improve cancer detection and the investigation of cancer progression through the sensitive and multiplexed phenotyping of cell-surface biomarkers. Here, a miniature endoscope featuring rotational scanning and axial pull back has been developed for 2D spectral imaging of SERS NPs topically applied on the lumenal surface of the rat esophagus. Raman signals from low-pM concentrations of SERS NP mixtures are demultiplexed in real time to accurately calculate the concentration and ratio of the NPs. Ex vivo and in vivo experiments demonstrate the feasibility of topical application and imaging of multiplexed SERS NPs along the entire length of the rat esophagus.
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Affiliation(s)
- Yu W. Wang
- Department of Biomedical Engineering, Stony Brook University (SUNY), Stony Brook, NY 11794 USA
- Current institution: Department of Mechanical Engineering, University of Washington, Seattle, WA 98195 USA
- These authors contributed equally to this work
| | - Altaz Khan
- Department of Biomedical Engineering, Stony Brook University (SUNY), Stony Brook, NY 11794 USA
- These authors contributed equally to this work
| | - Steven Y. Leigh
- Department of Biomedical Engineering, Stony Brook University (SUNY), Stony Brook, NY 11794 USA
| | - Danni Wang
- Department of Biomedical Engineering, Stony Brook University (SUNY), Stony Brook, NY 11794 USA
| | - Ye Chen
- Department of Biomedical Engineering, Stony Brook University (SUNY), Stony Brook, NY 11794 USA
- Current institution: Department of Mechanical Engineering, University of Washington, Seattle, WA 98195 USA
| | - Daphne Meza
- Department of Biomedical Engineering, Stony Brook University (SUNY), Stony Brook, NY 11794 USA
| | - Jonathan T.C. Liu
- Department of Biomedical Engineering, Stony Brook University (SUNY), Stony Brook, NY 11794 USA
- Current institution: Department of Mechanical Engineering, University of Washington, Seattle, WA 98195 USA
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84
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McLintock A, Cunha-Matos CA, Zagnoni M, Millington OR, Wark AW. Universal surface-enhanced Raman tags: individual nanorods for measurements from the visible to the infrared (514-1064 nm). ACS NANO 2014; 8:8600-9. [PMID: 25106075 DOI: 10.1021/nn503311d] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/22/2023]
Abstract
Surface-enhanced Raman scattering (SERS) is a promising imaging modality for use in a variety of multiplexed tracking and sensing applications in biological environments. However, the uniform production of SERS nanoparticle tags with high yield and brightness still remains a significant challenge. Here, we describe an approach based on the controlled coadsorption of multiple dye species onto gold nanorods to create tags that can be detected across a much wider range of excitation wavelengths (514-1064 nm) compared to conventional approaches that typically focus on a single wavelength. This was achieved without the added complexity of nanoparticle aggregation or growing surrounding metallic shells to further enhance the surface-enhanced resonance Raman scattering (SERRS) signal. Correlated Raman and scanning electron microscopy mapping measurements of individual tags were used to clearly demonstrate that strong and reproducible SERRS signals at high particle yields (>92%) were readily achievable. The polyelectrolyte-wrapped nanorod-dye conjugates were also found to be highly stable as well as noncytotoxic. To demonstrate the use of these universal tags for the multimodal optical imaging of biological specimens, confocal Raman and fluorescence maps of stained immune cells following nanoparticle uptake were acquired at several excitation wavelengths and compared with dark-field images. The ability to colocalize and track individual optically encoded nanoparticles across a wide range of wavelengths simultaneously will enable the use of SERS alongside other imaging techniques for the real-time monitoring of cell-nanoparticle interactions.
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Affiliation(s)
- Alison McLintock
- Centre for Molecular Nanometrology, WestCHEM, Department of Pure and Applied Chemistry, University of Strathclyde , 295 Cathedral Street, Glasgow, U.K. , G1 1XL
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85
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Wang YW, Khan A, Som M, Wang D, Chen Y, Leigh SY, Meza D, McVeigh PZ, Wilson BC, Liu JTC. Rapid ratiometric biomarker detection with topically applied SERS nanoparticles. TECHNOLOGY 2014; 2:118-132. [PMID: 25045721 PMCID: PMC4103661 DOI: 10.1142/s2339547814500125] [Citation(s) in RCA: 43] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/05/2023]
Abstract
Multiplexed surface-enhanced Raman scattering (SERS) nanoparticles (NPs) offer the potential for rapid molecular phenotyping of tissues, thereby enabling accurate disease detection as well as patient stratification to guide personalized therapies or to monitor treatment outcomes. The clinical success of molecular diagnostics based on SERS NPs would be facilitated by the ability to accurately identify tissue biomarkers under time-constrained staining and detection conditions with a portable device. In vitro, ex vivo and in vivo experiments were performed to optimize the technology and protocols for the rapid detection (0.1-s integration time) of multiple cell-surface biomarkers with a miniature fiber-optic spectral-detection probe following a brief (5 min) topical application of SERS NPs on tissues. Furthermore, we demonstrate that the simultaneous detection and ratiometric quantification of targeted and nontargeted NPs allows for an unambiguous assessment of molecular expression that is insensitive to nonspecific variations in NP concentrations.
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86
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Volpati D, Aoki PHB, Alessio P, Pavinatto FJ, Miranda PB, Constantino CJL, Oliveira ON. Vibrational spectroscopy for probing molecular-level interactions in organic films mimicking biointerfaces. Adv Colloid Interface Sci 2014; 207:199-215. [PMID: 24530000 DOI: 10.1016/j.cis.2014.01.014] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2013] [Revised: 11/28/2013] [Accepted: 01/13/2014] [Indexed: 01/26/2023]
Abstract
Investigation into nanostructured organic films has served many purposes, including the design of functionalized surfaces that may be applied in biomedical devices and tissue engineering and for studying physiological processes depending on the interaction with cell membranes. Of particular relevance are Langmuir monolayers, Langmuir-Blodgett (LB) and layer-by-layer (LbL) films used to simulate biological interfaces. In this review, we shall focus on the use of vibrational spectroscopy methods to probe molecular-level interactions at biomimetic interfaces, with special emphasis on three surface-specific techniques, namely sum frequency generation (SFG), polarization-modulated infrared reflection absorption spectroscopy (PM-IRRAS) and surface-enhanced Raman scattering (SERS). The two types of systems selected for exemplifying the potential of the methods are the cell membrane models and the functionalized surfaces with biomolecules. Examples will be given on how SFG and PM-IRRAS can be combined to determine the effects from biomolecules on cell membrane models, which include determination of the orientation and preservation of secondary structure. Crucial information for the action of biomolecules on model membranes has also been obtained with PM-IRRAS, as is the case of chitosan removing proteins from the membrane. SERS will be shown as promising for enabling detection limits down to the single-molecule level. The strengths and limitations of these methods will also be discussed, in addition to the prospects for the near future.
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Affiliation(s)
- Diogo Volpati
- São Carlos Institute of Physics, University of São Paulo, CP 369, São Carlos, SP 13560-970, Brazil
| | - Pedro H B Aoki
- Faculty of Science and Technology, UNESP, Presidente Prudente, CEP 19060-900 SP,Brazil
| | - Priscila Alessio
- Faculty of Science and Technology, UNESP, Presidente Prudente, CEP 19060-900 SP,Brazil
| | - Felippe J Pavinatto
- São Carlos Institute of Physics, University of São Paulo, CP 369, São Carlos, SP 13560-970, Brazil
| | - Paulo B Miranda
- São Carlos Institute of Physics, University of São Paulo, CP 369, São Carlos, SP 13560-970, Brazil
| | | | - Osvaldo N Oliveira
- São Carlos Institute of Physics, University of São Paulo, CP 369, São Carlos, SP 13560-970, Brazil.
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87
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One-step detection of melamine in milk by hollow gold chip based on surface-enhanced Raman scattering. Talanta 2014; 122:80-4. [DOI: 10.1016/j.talanta.2014.01.043] [Citation(s) in RCA: 38] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2013] [Revised: 01/10/2014] [Accepted: 01/11/2014] [Indexed: 11/20/2022]
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88
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Niu X, Chen H, Wang Y, Wang W, Sun X, Chen L. Upconversion fluorescence-SERS dual-mode tags for cellular and in vivo imaging. ACS APPLIED MATERIALS & INTERFACES 2014; 6:5152-60. [PMID: 24617579 DOI: 10.1021/am500411m] [Citation(s) in RCA: 68] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/18/2023]
Abstract
Fluorescent-surface enhanced Raman scattering (F-SERS) dual mode tags showed great potential for bioimaging due to the combined advantages of intuitive, fast imaging of fluorescence and multiplex capability of SERS technique. In previously reported F-SERS tags, organic fluorescent dyes or quantum dots were generally selected to generate fluorescence signal. Herein, we reported the first proof-of-concept upconversion fluorescence (UCF)-SERS dual mode tags based on near infrared (NIR) laser (980 nm) excited upconversion nanoparticles (UCNPs) for live-cell and in vivo imaging. Three components involved in this tag: NaYF4:Yb,Er UCNPs@SiO2 serving as the fluorescent core of the tag; silver nanoparticles in situ grown on the surface of UCNPs@SiO2 for generating characteristic Raman signal; and denatured BSA coating rendering the tag's stability and biocompatibility. The UCF-SERS tags integrated the NIR imaging capability of both fluorescent UCNPs and plasmonic SERS nanoprobe, which facilitated dual mode bioimaging investigation, especially for living animals. Ex vivo experiments revealed that with 980 nm and 785 nm NIR laser irradiations, the UCF and SERS signals of the tags could be detected from 3 and 7 mm deep pork tissues, respectively. Furthermore, the in vivo imaging capabilities of UCF-SERS tags were successfully demonstrated on living mice. The developed dual modality tags held great potential for medical diagnostics and therapy.
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Affiliation(s)
- Xiaojuan Niu
- School of Pharmacy, Yantai University , Yantai 264005, China
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89
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Guarrotxena N, Bazan GC. Antitags: SERS-encoded nanoparticle assemblies that enable single-spot multiplex protein detection. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2014; 26:1941-1946. [PMID: 24338905 DOI: 10.1002/adma.201304107] [Citation(s) in RCA: 45] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/15/2013] [Revised: 11/04/2013] [Indexed: 06/03/2023]
Abstract
Simultaneous detection of multiple proteins on a single spot can be efficiently achieved by using multiplexed surface-enhanced Raman spectroscopy (SERS)-encoded nanoparticle 'antitags' consisting of poly(ethylene glycol) (PEG)-protected silver dimers (and higher aggregates) and antibody-tagging entities. The effective SERS-based multivariate deconvolution approach guarantees an accurate and successful distinguishable identification of single and multiple proteins in complex samples. Their potential application in multiplexed SERS bioimaging technology can be easily envisaged.
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Affiliation(s)
- Nekane Guarrotxena
- Instituto de Ciencia y Tecnología de Polímeros (ICTP), Consejo Superior de Investigaciones Científicas (CSIC), Juan de la Cierva 3, Madrid, 28006, Spain
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90
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Wang X, Zhang X, Cheng W, Shao H, Liu X, Li X, Liu H, Wu J. Facile synthesis and optical properties of polymer-laced ZnO-Au hybrid nanoparticles. NANOSCALE RESEARCH LETTERS 2014; 9:109. [PMID: 24606946 PMCID: PMC3973971 DOI: 10.1186/1556-276x-9-109] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/30/2013] [Accepted: 02/27/2014] [Indexed: 06/03/2023]
Abstract
Bi-phase dispersible ZnO-Au hybrid nanoparticles were synthesized via one-pot non-aqueous nanoemulsion using the triblock copolymer poly(ethylene glycol)-block-poly(propylene glycol)-block-poly(ethylene glycol) as the surfactant. The characterization shows that the polymer-laced ZnO-Au nanoparticles are monosized and of high crystallinity and demonstrate excellent dispersibility and optical performance in both organic and aqueous medium, revealing the effects of quantum confinement and medium. The findings show two well-behaved absorption bands locating at approximately 360 nm from ZnO and between 520 and 550 nm from the surface plasmon resonance of the nanosized Au and multiple visible fingerprint photoluminescent emissions. Consequently, the wide optical absorbance and fluorescent activity in different solvents could be promising for biosensing, photocatalysis, photodegradation, and optoelectronic devices.
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Affiliation(s)
- XianHong Wang
- Key Lab of Polyoxometalate Chemistry of Henan Province, Institute of Molecular and Crystal Engineering, School of Chemistry and Chemical Engineering, Henan University, Kaifeng 475001, China
| | - XiaoYan Zhang
- Key Lab of Polyoxometalate Chemistry of Henan Province, Institute of Molecular and Crystal Engineering, School of Chemistry and Chemical Engineering, Henan University, Kaifeng 475001, China
| | - WenZheng Cheng
- Key Lab of Polyoxometalate Chemistry of Henan Province, Institute of Molecular and Crystal Engineering, School of Chemistry and Chemical Engineering, Henan University, Kaifeng 475001, China
| | - HongQin Shao
- Key Lab of Polyoxometalate Chemistry of Henan Province, Institute of Molecular and Crystal Engineering, School of Chemistry and Chemical Engineering, Henan University, Kaifeng 475001, China
| | - Xiao Liu
- Key Lab of Polyoxometalate Chemistry of Henan Province, Institute of Molecular and Crystal Engineering, School of Chemistry and Chemical Engineering, Henan University, Kaifeng 475001, China
| | - XueMei Li
- Key Lab of Polyoxometalate Chemistry of Henan Province, Institute of Molecular and Crystal Engineering, School of Chemistry and Chemical Engineering, Henan University, Kaifeng 475001, China
| | - HongLing Liu
- Key Lab of Polyoxometalate Chemistry of Henan Province, Institute of Molecular and Crystal Engineering, School of Chemistry and Chemical Engineering, Henan University, Kaifeng 475001, China
| | - JunHua Wu
- Pioneer Research Center for Biomedical Nanocrystals, Korea University, Seoul 136-713, South Korea
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91
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Samanta A, Jana S, Das RK, Chang YT. Biocompatible surface-enhanced Raman scattering nanotags for in vivo cancer detection. Nanomedicine (Lond) 2014; 9:523-35. [DOI: 10.2217/nnm.13.222] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023] Open
Abstract
The advancement of surface-enhanced Raman scattering (SERS) is significantly increasing as an ultra-sensitive sensing technology in biomedical research. In this review, we focus on the most recent developments of biocompatible nanoprobes for cancer research. First, we discuss coating approaches to enhance the biocompatibility of SERS substrate and Raman reporters. Furthermore, interesting ligands such as antibodies, aptamers and polypeptides are attached to the surface of nanotags for targeting the cancerous cells in vitro. The unique multiplexing capabilities of the SERS technique have been applied for simultaneous multiple target recognition. Finally, these noninvasive, ultrasensitive tools are mostly highlighted for in vivo tumor detection. Potential application of SERS nanotags in therapeutic study and the possibility of SERS nanotags in biomedical applications are outlined briefly in this review.
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Affiliation(s)
- Animesh Samanta
- Laboratory of Bioimaging Probe Development, Singapore Bioimaging Consortium, Agency for Science, Technology and Research (A *STAR), 11 Biopolis Way, 138667, Singapore
| | - Santanu Jana
- Laboratory of Bioimaging Probe Development, Singapore Bioimaging Consortium, Agency for Science, Technology and Research (A *STAR), 11 Biopolis Way, 138667, Singapore
| | - Raj Kumar Das
- Department of Chemistry & MedChem Program for Life Sciences, National University of Singapore, 3 Science Drive 3, 117543, Singapore
| | - Young Tae Chang
- Laboratory of Bioimaging Probe Development, Singapore Bioimaging Consortium, Agency for Science, Technology and Research (A *STAR), 11 Biopolis Way, 138667, Singapore
- Department of Chemistry & MedChem Program for Life Sciences, National University of Singapore, 3 Science Drive 3, 117543, Singapore
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92
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Shen S, Zhao B, Wang H, Li Z, Qu G, Guo Z, Zhou T, Song W, Wang X, Ruan W. CdTe quantum dots modified polystyrene spheres with Ag nanoparticle caps: Applications both in fluorescence and in SERS. Colloids Surf A Physicochem Eng Asp 2014. [DOI: 10.1016/j.colsurfa.2013.12.010] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
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93
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Wang H, Wang Z, Ye M, Zong S, Li M, Chen P, Ma X, Cui Y. Optically encoded nanoprobes using single walled carbon nanotube as the building scaffold for magnetic field guided cell imaging. Talanta 2014; 119:144-50. [DOI: 10.1016/j.talanta.2013.10.057] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2013] [Revised: 10/18/2013] [Accepted: 10/20/2013] [Indexed: 01/04/2023]
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94
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Rapid and sensitive phenotypic marker detection on breast cancer cells using surface-enhanced Raman scattering (SERS) imaging. Biosens Bioelectron 2014; 51:238-43. [DOI: 10.1016/j.bios.2013.07.063] [Citation(s) in RCA: 156] [Impact Index Per Article: 15.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2013] [Revised: 07/11/2013] [Accepted: 07/21/2013] [Indexed: 11/22/2022]
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95
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Samanta A, Jana S, Das RK, Chang YT. Wavelength and shape dependent SERS study to develop ultrasensitive nanotags for imaging of cancer cells. RSC Adv 2014. [DOI: 10.1039/c3ra46208k] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022] Open
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96
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Zhang H, Ye L, Wang X, Li F, Wang J. Functional dialkylimidazolium-mediated synthesis of silver nanocrystals with sensitive Hg2+-sensing and efficient catalysis. Chem Commun (Camb) 2014; 50:2565-8. [DOI: 10.1039/c3cc48121b] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023]
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97
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Yang X, Dou Y, Zhu S. Highly sensitive detection of superoxide dismutase based on an immunoassay with surface-enhanced fluorescence. Analyst 2013; 138:3246-52. [PMID: 23615635 DOI: 10.1039/c3an00471f] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Herein, a novel highly sensitive enhanced-fluorescence immunoassay for detection of superoxide dismutase (SOD) is established by combining surface-enhanced fluorescence (SEF) with immuno-magnetic separation. Based on a sandwich-type immunoassay, analytes in samples are first captured by magnetic beads coated with a monoclonal antibody and then "sandwiched" by another monoclonal antibody on silver nanoparticles labeled with fluorescein-labeled oligonucleotides in the presence of a magnet. Subsequently, the immune complex is enriched by exposure to a magnetic field. Lastly, the fluorescence intensity is measured according to the number of dissociated fluoresceins. The increased fluorescence intensity permits highly sensitive detection of SOD in a linear range of 10-8 × 10(5) pg mL(-1), with a detection limit of 4 pg mL(-1) at a signal-to-noise ratio of 3. Significantly, this method was validated for detection of SOD in human serum, human urine, and cosmetic samples. Moreover, the reliability and accuracy of results obtained by the enhanced-fluorescence method was confirmed by the analysis of high performance liquid chromatography (HPLC).
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Affiliation(s)
- Xiaoming Yang
- College of Pharmaceutical Sciences, Southwest University, Chongqing 400716, China.
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98
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Chon H, Chang SI, Lim DW, Choo J. Ultrasensitive Detection of Angiogenin Using Surface-Enhanced Raman Scattering Immunoassay Platform. B KOREAN CHEM SOC 2013. [DOI: 10.5012/bkcs.2013.34.11.3191] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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99
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Affiliation(s)
- Karen A. Antonio
- University of Notre Dame, Department of
Chemistry and Biochemistry, Notre
Dame, Indiana 46556, United States
| | - Zachary D. Schultz
- University of Notre Dame, Department of
Chemistry and Biochemistry, Notre
Dame, Indiana 46556, United States
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100
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Kalmodia S, Harjwani J, Rajeswari R, Yang W, Barrow CJ, Ramaprabhu S, Krishnakumar S, Elchuri SV. Synthesis and characterization of surface-enhanced Raman-scattered gold nanoparticles. Int J Nanomedicine 2013; 8:4327-38. [PMID: 24235830 PMCID: PMC3826772 DOI: 10.2147/ijn.s49447] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
Abstract
In this paper, we report a simple, rapid, and robust method to synthesize surface-enhanced Raman-scattered gold nanoparticles (GNPs) based on green chemistry. Vitis vinifera L. extract was used to synthesize noncytotoxic Raman-active GNPs. These GNPs were characterized by ultraviolet-visible spectroscopy, dynamic light-scattering, Fourier-transform infrared (FTIR), transmission electron microscopy (TEM), X-ray diffraction (XRD), and Raman spectroscopy. The characteristic surface plasmon-resonance band at ~ 528 nm is indicative of spherical particles, and this was confirmed by TEM. The N-H and C-O stretches in FTIR spectroscopy indicated the presence of protein molecules. The predominant XRD plane at (111) and (200) indicated the crystalline nature and purity of GNPs. GNPs were stable in the buffers used for biological studies, and exhibited no cytotoxicity in noncancerous MIO-M1 (Müller glial) and MDA-MB-453 (breast cancer) cell lines. The GNPs exhibited Raman spectral peaks at 570, 788, and 1,102 cm(-1). These new GNPs have potential applications in cancer diagnosis, therapy, and ultrasensitive biomarker detection.
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Affiliation(s)
- Sushma Kalmodia
- Department of Nanobiotechnology, Sankara Nethralaya, Chennai, India ; Centre for Chemistry and Biotechnology, Deakin University, Geelong, VIC, Australia
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