1
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Verdin A, Sloan-Dennison S, Malherbe C, Graham D, Eppe G. SERS nanotags for folate receptor α detection at the single cell level: discrimination of overexpressing cells and potential for live cell applications. Analyst 2022; 147:3328-3339. [DOI: 10.1039/d2an00706a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Development of nanotags based on Surface-Enhanced Raman Scattering (SERS) for the discrimination of cancer cells overexpressing folate receptor α. Nanotags are also applicable for live cell measurements.
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Affiliation(s)
- Alexandre Verdin
- Mass Spectrometry Laboratory, MolSys Research Unit, University of Liège, Allée du 6 Août, 4000 Liège, Belgium
| | - Sian Sloan-Dennison
- Department of Pure and Applied Chemistry, Technology and Innovation Center, University of Strathclyde, 99 George Street, Glasgow G1 1RD, UK
| | - Cedric Malherbe
- Mass Spectrometry Laboratory, MolSys Research Unit, University of Liège, Allée du 6 Août, 4000 Liège, Belgium
| | - Duncan Graham
- Department of Pure and Applied Chemistry, Technology and Innovation Center, University of Strathclyde, 99 George Street, Glasgow G1 1RD, UK
| | - Gauthier Eppe
- Mass Spectrometry Laboratory, MolSys Research Unit, University of Liège, Allée du 6 Août, 4000 Liège, Belgium
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2
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Verdin A, Malherbe C, Eppe G. Spatially resolved determination of the abundance of the HER2 marker in microscopic breast tumors using targeted SERS imaging. Mikrochim Acta 2021; 188:288. [PMID: 34350526 DOI: 10.1007/s00604-021-04943-6] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2021] [Accepted: 07/10/2021] [Indexed: 10/20/2022]
Abstract
Highly selective nanoprobes have been developed based on SERS-active Au@Ag nanoparticles protected by a PEG coating and functionalized with monoclonal antibodies against human epidermal growth factor receptor 2 (HER2). The PEG coating allows to drastically reduce unspecific interactions during incubation on tissues, while the monoclonal antibodies allow a highly specific targeting of HER2. Using the designed SERS nanoprobes combined with a spectral imaging and data weighting approach, we demonstrate the proportionality between the SERS signal and the amount of HER2 antigen on the cell membranes as measured by digital image analysis of IHC staining in microscopic breast tumors (linear fit R2 = 0.87). We also show that the level of expression of HER2 measured by SERS is significantly different between several microscopic tumor parts of the same tissue slide. Therefore, SERS is proving to be a suitable technique for the localized quantitative measurement of specific markers in breast cancerous tissues. Owing to its high multiplexing capabilities, SERS could be a future tool of choice for characterizing the molecular heterogeneity of tumors at the microscopic scale.
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Affiliation(s)
- Alexandre Verdin
- Mass Spectrometry Laboratory, MolSys Research Unit, University of Liège, 4000, Liège, Belgium
| | - Cedric Malherbe
- Mass Spectrometry Laboratory, MolSys Research Unit, University of Liège, 4000, Liège, Belgium
| | - Gauthier Eppe
- Mass Spectrometry Laboratory, MolSys Research Unit, University of Liège, 4000, Liège, Belgium.
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3
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Shen YM, Gao MY, Chen X, Shen AG, Hu JM. Fine synthesis of Prussian-blue analogue coated gold nanoparticles (Au@PBA NPs) for sorting specific cancer cell subtypes. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2021; 252:119566. [PMID: 33607489 DOI: 10.1016/j.saa.2021.119566] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/30/2020] [Revised: 01/19/2021] [Accepted: 01/27/2021] [Indexed: 05/23/2023]
Abstract
Multiplex surface-enhanced Raman scattering (SERS) detection of markers without background in tumor biosystems has its superiority over other optical methods. Herein, we reported a strategy of quantitative discrimination of two breast cancer cell subtypes. Based on our previous studies, two kinds of Prussian blue analogue coated gold nanoparticles (Au@PBA NPs) were designed and synthesized by the replacement of Fe2+ with Pb2+ or Cu2+. Therefore, two distinct SERS emissions of C≡N bonds at 2122 cm-1 and 2176 cm-1 have been acquired. When modified with aptamers of epithelial cell adhesion molecule (EpCAM) and epidermal growth factor receptor (EGFR), which are both expressed in MCF-7 and MDA-MB-231 cell lines but in different levels, the SERS nanoprobes simultaneously identified the relative expression of these biomarkers on the cell surface, providing a good example for ratiometric detection in biosystems without any interference. Each surface marker of tumor cells corresponds to a single SERS emission. Thus, each subtype could be described in a molecular profiling way through duplex C≡N bonds-based SERS emission, which is more advanced than traditional flow cytometry method.
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Affiliation(s)
- Ya-Min Shen
- College of Chemistry and Molecular Sciences, Wuhan University, Wuhan 430072, PR China; School of Printing and Packaging, Wuhan University, Wuhan 430079, PR China
| | - Meng-Yue Gao
- College of Chemistry and Molecular Sciences, Wuhan University, Wuhan 430072, PR China
| | - Xu Chen
- Research Center for Tissue Engineering and Regenerative Medicine, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, PR China
| | - Ai-Guo Shen
- School of Printing and Packaging, Wuhan University, Wuhan 430079, PR China.
| | - Ji-Ming Hu
- College of Chemistry and Molecular Sciences, Wuhan University, Wuhan 430072, PR China.
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4
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Cui X, Hu D, Wang C, Chen S, Zhao Z, Xu X, Yao Y, Liu T. A surface-enhanced Raman scattering-based probe method for detecting chromogranin A in adrenal tumors. Nanomedicine (Lond) 2020; 15:397-407. [PMID: 31983270 DOI: 10.2217/nnm-2019-0436] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022] Open
Abstract
Aim: We aim to demonstrate that a surface-enhanced Raman spectroscopy (SERS) probe can be effectively used for protein detection in adrenal tumors. Materials & methods: The SERS probe method, which uses Au@Ag core-shell nanoparticles conjugated with a CgA antibody and a SERS reporter, was applied to detect CgA in adrenal tumors. Results: Our data reveal that the results of the CgA-SERS probe method were almost identical to those of western blot and superior to those of traditional immunohistochemistry. Conclusion: This study offers a novel strategy to detect CgA in adrenal tumors and provides more reliable protein test results than traditional immunohistochemistry analysis for adrenal pathologists, meaning that it might be a better clinical reference for the diagnosis of pheochromocytoma.
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Affiliation(s)
- Xiaoyu Cui
- College of Medicine & Biological Information Engineering, Northeastern University, No.500 Wisdom Street, Shenyang, 110169, PR China.,Key Laboratory of Data Analytics & Optimization for Smart Industry, Northeastern University, No.500 Wisdom Street, Shenyang, 110169, PR China
| | - Dayu Hu
- College of Medicine & Biological Information Engineering, Northeastern University, No.500 Wisdom Street, Shenyang, 110169, PR China
| | - Chengyuan Wang
- Department of Urology, The First Hospital of China Medical University, No.155 Nanjingbei Street, Shenyang, Liaoning, 110001, PR China
| | - Shuo Chen
- College of Medicine & Biological Information Engineering, Northeastern University, No.500 Wisdom Street, Shenyang, 110169, PR China
| | - Zeyin Zhao
- College of Medicine & Biological Information Engineering, Northeastern University, No.500 Wisdom Street, Shenyang, 110169, PR China
| | - Xiaosong Xu
- College of Medicine & Biological Information Engineering, Northeastern University, No.500 Wisdom Street, Shenyang, 110169, PR China
| | - Yudong Yao
- College of Medicine & Biological Information Engineering, Northeastern University, No.500 Wisdom Street, Shenyang, 110169, PR China
| | - Tao Liu
- Department of Urology, The First Hospital of China Medical University, No.155 Nanjingbei Street, Shenyang, Liaoning, 110001, PR China
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5
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SERS-Active Substrate with Collective Amplification Design for Trace Analysis of Pesticides. NANOMATERIALS 2019; 9:nano9050664. [PMID: 31035555 PMCID: PMC6566408 DOI: 10.3390/nano9050664] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/10/2019] [Revised: 04/23/2019] [Accepted: 04/24/2019] [Indexed: 12/12/2022]
Abstract
Health risks posed by the exposure to trace amounts of pesticide residue in agricultural products have gained a lot of concerns, due to their neurotoxic nature. The applications of surface-enhanced Raman Scattering (SERS) as a detection technique have consistently shown its potential as a rapid and sensitive means with minimal sample preparation. In this study, gold nanoparticles (Au NPs) in elliptical shapes were collected into a layer of ordered zirconia concave pores. The porous zirconia layer (pZrO2) was then deposited with Au NPs, denoted as Au NPs (x)/pZrO2, where x indicates the deposition thickness of Au NPs in nm. In the concave structure of pZrO2, Au-ZrO2 and Au-Au interactions provide a synergistic and physical mechanism of SERS, which is anticipated to collect and amplify SERS signals and thereafter improve the enhancement factor (EF) of Au NPs/pZrO2. By taking Rhodamine 6G (R6G) as the test molecule, EF of Au NPs/pZrO2 might reach to 7.0 × 107. Au NPs (3.0)/pZrO2 was then optimized and competent to detect pesticides, e.g., phosmet and carbaryl at very low concentrations, corresponding to the maximum residue limits of each, i.e., 0.3 ppm and 0.2 ppm, respectively. Au NPs (3.0)/pZrO2 also showed the effectiveness of distinguishing between phosmet and carbaryl under mixed conditions. Due to the strong affinities of the phosphoric groups and sulfur in phosmet to the Au NPs (3.0)/pZrO2, the substrate exhibited selective detection to this particular pesticide. In this study, Au NPs (3.0)/pZrO2 has thus demonstrated trace detection of residual pesticides, due to the substrate design that intended to provide collective amplification of SERS.
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6
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Label-free distinction between p53+/+ and p53 -/- colon cancer cells using a graphene based SERS platform. Biosens Bioelectron 2018; 118:108-114. [DOI: 10.1016/j.bios.2018.07.038] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2018] [Revised: 07/16/2018] [Accepted: 07/17/2018] [Indexed: 01/10/2023]
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7
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Artur CG, Womack T, Zhao F, Eriksen JL, Mayerich D, Shih WC. Plasmonic nanoparticle-based expansion microscopy with surface-enhanced Raman and dark-field spectroscopic imaging. BIOMEDICAL OPTICS EXPRESS 2018; 9:603-615. [PMID: 29552397 PMCID: PMC5854062 DOI: 10.1364/boe.9.000603] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/05/2017] [Revised: 01/04/2018] [Accepted: 01/04/2018] [Indexed: 06/08/2023]
Abstract
Fluorescence-based expansion microscopy (ExM) is a new technique which can yield nanoscale resolution of biological specimen on a conventional fluorescence microscope through physical sample expansion up to 20 times its original dimensions while preserving structural information. It however inherits known issues of fluorescence microscopy such as photostability and multiplexing capabilities, as well as an ExM-specific issue in signal intensity reduction due to a dilution effect after expansion. To address these issues, we propose using antigen-targeting plasmonic nanoparticle labels which can be imaged using surface-enhanced Raman scattering spectroscopy (SERS) and dark-field spectroscopy. We demonstrate that the nanoparticles enable multimodal imaging: bright-field, dark-field and SERS, with excellent photostability, contrast enhancement and brightness.
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Affiliation(s)
- Camille G. Artur
- Department of Electrical and Computer Engineering, University of Houston, 4800 Calhoun Rd., Houston, TX 77004,
USA
| | - Tasha Womack
- Department of Pharmacological and Pharmaceutical Sciences, University of Houston College of Pharmacy, Houston, TX 77004,
USA
| | - Fusheng Zhao
- Department of Electrical and Computer Engineering, University of Houston, 4800 Calhoun Rd., Houston, TX 77004,
USA
| | - Jason L. Eriksen
- Department of Pharmacological and Pharmaceutical Sciences, University of Houston College of Pharmacy, Houston, TX 77004,
USA
| | - David Mayerich
- Department of Electrical and Computer Engineering, University of Houston, 4800 Calhoun Rd., Houston, TX 77004,
USA
| | - Wei-Chuan Shih
- Department of Electrical and Computer Engineering, University of Houston, 4800 Calhoun Rd., Houston, TX 77004,
USA
- Department of Biomedical Engineering, University of Houston, 4800 Calhoun Rd, Houston, TX 77004,
USA
- Program of Materials Science and Engineering, University of Houston, 4800 Calhoun Rd., Houston, TX 77004,
USA
- Department of Chemistry, University of Houston, 4800 Calhoun Rd., Houston, TX 77004,
USA
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8
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ISERS Microscopy for Tissue-Based Cancer Diagnostics with SERS Nanotags. CONFOCAL RAMAN MICROSCOPY 2018. [DOI: 10.1007/978-3-319-75380-5_15] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
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9
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de Carvalho LFDCES, Saito Nogueira M. New insights of Raman spectroscopy for oral clinical applications. Analyst 2018; 143:6037-6048. [DOI: 10.1039/c8an01363b] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Abstract
Oral injuries are currently diagnosed by histopathological analysis of biopsy, which is an invasive procedure and does not give immediate results.
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10
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Pelaz B, Alexiou C, Alvarez-Puebla RA, Alves F, Andrews AM, Ashraf S, Balogh LP, Ballerini L, Bestetti A, Brendel C, Bosi S, Carril M, Chan WCW, Chen C, Chen X, Chen X, Cheng Z, Cui D, Du J, Dullin C, Escudero A, Feliu N, Gao M, George M, Gogotsi Y, Grünweller A, Gu Z, Halas NJ, Hampp N, Hartmann RK, Hersam MC, Hunziker P, Jian J, Jiang X, Jungebluth P, Kadhiresan P, Kataoka K, Khademhosseini A, Kopeček J, Kotov NA, Krug HF, Lee DS, Lehr CM, Leong KW, Liang XJ, Ling Lim M, Liz-Marzán LM, Ma X, Macchiarini P, Meng H, Möhwald H, Mulvaney P, Nel AE, Nie S, Nordlander P, Okano T, Oliveira J, Park TH, Penner RM, Prato M, Puntes V, Rotello VM, Samarakoon A, Schaak RE, Shen Y, Sjöqvist S, Skirtach AG, Soliman MG, Stevens MM, Sung HW, Tang BZ, Tietze R, Udugama BN, VanEpps JS, Weil T, Weiss PS, Willner I, Wu Y, Yang L, Yue Z, Zhang Q, Zhang Q, Zhang XE, Zhao Y, Zhou X, Parak WJ. Diverse Applications of Nanomedicine. ACS NANO 2017; 11:2313-2381. [PMID: 28290206 PMCID: PMC5371978 DOI: 10.1021/acsnano.6b06040] [Citation(s) in RCA: 765] [Impact Index Per Article: 109.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/07/2016] [Indexed: 04/14/2023]
Abstract
The design and use of materials in the nanoscale size range for addressing medical and health-related issues continues to receive increasing interest. Research in nanomedicine spans a multitude of areas, including drug delivery, vaccine development, antibacterial, diagnosis and imaging tools, wearable devices, implants, high-throughput screening platforms, etc. using biological, nonbiological, biomimetic, or hybrid materials. Many of these developments are starting to be translated into viable clinical products. Here, we provide an overview of recent developments in nanomedicine and highlight the current challenges and upcoming opportunities for the field and translation to the clinic.
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Affiliation(s)
- Beatriz Pelaz
- Fachbereich Physik, Fachbereich Medizin, Fachbereich Pharmazie, and Department of Chemistry, Philipps Universität Marburg, 35037 Marburg, Germany
| | - Christoph Alexiou
- ENT-Department, Section of Experimental Oncology & Nanomedicine
(SEON), Else Kröner-Fresenius-Stiftung-Professorship for Nanomedicine, University Hospital Erlangen, 91054 Erlangen, Germany
| | - Ramon A. Alvarez-Puebla
- Department of Physical Chemistry, Universitat Rovira I Virgili, 43007 Tarragona, Spain
- ICREA, Pg. Lluís Companys 23, 08010 Barcelona, Spain
| | - Frauke Alves
- Department of Haematology and Medical Oncology, Department of Diagnostic
and Interventional Radiology, University
Medical Center Göttingen, 37075 Göttingen Germany
- Department of Molecular Biology of Neuronal Signals, Max-Planck-Institute for Experimental Medicine, 37075 Göttingen, Germany
| | - Anne M. Andrews
- California NanoSystems Institute, Department of Chemistry
and Biochemistry and Department of Psychiatry and Semel Institute
for Neuroscience and Human Behavior, Division of NanoMedicine and Center
for the Environmental Impact of Nanotechnology, and Department of Materials Science
and Engineering, University of California,
Los Angeles, Los Angeles, California 90095, United States
| | - Sumaira Ashraf
- Fachbereich Physik, Fachbereich Medizin, Fachbereich Pharmazie, and Department of Chemistry, Philipps Universität Marburg, 35037 Marburg, Germany
| | - Lajos P. Balogh
- AA Nanomedicine & Nanotechnology Consultants, North Andover, Massachusetts 01845, United States
| | - Laura Ballerini
- International School for Advanced Studies (SISSA/ISAS), 34136 Trieste, Italy
| | - Alessandra Bestetti
- School of Chemistry & Bio21 Institute, University of Melbourne, Parkville, Victoria 3010, Australia
| | - Cornelia Brendel
- Fachbereich Physik, Fachbereich Medizin, Fachbereich Pharmazie, and Department of Chemistry, Philipps Universität Marburg, 35037 Marburg, Germany
| | - Susanna Bosi
- Department of Chemical
and Pharmaceutical Sciences, University
of Trieste, 34127 Trieste, Italy
| | - Monica Carril
- CIC biomaGUNE, Paseo de Miramón 182, 20014, Donostia - San Sebastián, Spain
- Ikerbasque, Basque Foundation
for Science, 48013 Bilbao, Spain
| | - Warren C. W. Chan
- Institute of Biomaterials
and Biomedical Engineering, University of
Toronto, Toronto, Ontario M5S 3G9, Canada
| | - Chunying Chen
- CAS Center for Excellence in Nanoscience and CAS Key
Laboratory for Biomedical Effects of Nanomaterials and Nanosafety, National Center for Nanoscience and Technology of
China, Beijing 100190, China
| | - Xiaodong Chen
- School of Materials
Science and Engineering, Nanyang Technological
University, Singapore 639798
| | - Xiaoyuan Chen
- Laboratory of Molecular Imaging and Nanomedicine,
National Institute of Biomedical Imaging and Bioengineering, National Institutes of Health, Bethesda, Maryland 20892, United States
| | - Zhen Cheng
- Molecular
Imaging Program at Stanford and Bio-X Program, Canary Center at Stanford
for Cancer Early Detection, Stanford University, Stanford, California 94305, United States
| | - Daxiang Cui
- Institute of Nano Biomedicine and Engineering, Department of Instrument
Science and Engineering, School of Electronic Information and Electronical
Engineering, National Center for Translational Medicine, Shanghai Jiao Tong University, 200240 Shanghai, China
| | - Jianzhong Du
- Department of Polymeric Materials, School of Materials
Science and Engineering, Tongji University, Shanghai, China
| | - Christian Dullin
- Department of Haematology and Medical Oncology, Department of Diagnostic
and Interventional Radiology, University
Medical Center Göttingen, 37075 Göttingen Germany
| | - Alberto Escudero
- Fachbereich Physik, Fachbereich Medizin, Fachbereich Pharmazie, and Department of Chemistry, Philipps Universität Marburg, 35037 Marburg, Germany
- Instituto
de Ciencia de Materiales de Sevilla. CSIC, Universidad de Sevilla, 41092 Seville, Spain
| | - Neus Feliu
- Department of Clinical Science, Intervention, and Technology (CLINTEC), Karolinska Institutet, 141 86 Stockholm, Sweden
| | - Mingyuan Gao
- Institute of Chemistry, Chinese
Academy of Sciences, 100190 Beijing, China
| | | | - Yury Gogotsi
- Department of Materials Science and Engineering and A.J. Drexel Nanomaterials
Institute, Drexel University, Philadelphia, Pennsylvania 19104, United States
| | - Arnold Grünweller
- Fachbereich Physik, Fachbereich Medizin, Fachbereich Pharmazie, and Department of Chemistry, Philipps Universität Marburg, 35037 Marburg, Germany
| | - Zhongwei Gu
- College of Polymer Science and Engineering, Sichuan University, 610000 Chengdu, China
| | - Naomi J. Halas
- Departments of Physics and Astronomy, Rice
University, Houston, Texas 77005, United
States
| | - Norbert Hampp
- Fachbereich Physik, Fachbereich Medizin, Fachbereich Pharmazie, and Department of Chemistry, Philipps Universität Marburg, 35037 Marburg, Germany
| | - Roland K. Hartmann
- Fachbereich Physik, Fachbereich Medizin, Fachbereich Pharmazie, and Department of Chemistry, Philipps Universität Marburg, 35037 Marburg, Germany
| | - Mark C. Hersam
- Departments of Materials Science and Engineering, Chemistry,
and Medicine, Northwestern University, Evanston, Illinois 60208, United States
| | - Patrick Hunziker
- University Hospital, 4056 Basel, Switzerland
- CLINAM,
European Foundation for Clinical Nanomedicine, 4058 Basel, Switzerland
| | - Ji Jian
- Department of Polymer Science and Engineering and Center for
Bionanoengineering and Department of Chemical and Biological Engineering, Zhejiang University, 310027 Hangzhou, China
| | - Xingyu Jiang
- CAS Center for Excellence in Nanoscience and CAS Key
Laboratory for Biomedical Effects of Nanomaterials and Nanosafety, National Center for Nanoscience and Technology of
China, Beijing 100190, China
| | - Philipp Jungebluth
- Thoraxklinik Heidelberg, Universitätsklinikum
Heidelberg, 69120 Heidelberg, Germany
| | - Pranav Kadhiresan
- Institute of Biomaterials
and Biomedical Engineering, University of
Toronto, Toronto, Ontario M5S 3G9, Canada
| | | | | | - Jindřich Kopeček
- Biomedical Polymers Laboratory, University of Utah, Salt Lake City, Utah 84112, United States
| | - Nicholas A. Kotov
- Emergency Medicine, University of Michigan, Ann Arbor, Michigan 48019, United States
| | - Harald F. Krug
- EMPA, Federal Institute for Materials
Science and Technology, CH-9014 St. Gallen, Switzerland
| | - Dong Soo Lee
- Department of Molecular Medicine and Biopharmaceutical
Sciences and School of Chemical and Biological Engineering, Seoul National University, Seoul, South Korea
| | - Claus-Michael Lehr
- Department of Pharmacy, Saarland University, 66123 Saarbrücken, Germany
- HIPS - Helmhotz Institute for Pharmaceutical Research Saarland, Helmholtz-Center for Infection Research, 66123 Saarbrücken, Germany
| | - Kam W. Leong
- Department of Biomedical Engineering, Columbia University, New York City, New York 10027, United States
| | - Xing-Jie Liang
- CAS Center for Excellence in Nanoscience and CAS Key
Laboratory for Biomedical Effects of Nanomaterials and Nanosafety, National Center for Nanoscience and Technology of
China, Beijing 100190, China
- Laboratory of Controllable Nanopharmaceuticals, Chinese Academy of Sciences (CAS), 100190 Beijing, China
| | - Mei Ling Lim
- Department of Clinical Science, Intervention, and Technology (CLINTEC), Karolinska Institutet, 141 86 Stockholm, Sweden
| | - Luis M. Liz-Marzán
- CIC biomaGUNE, Paseo de Miramón 182, 20014, Donostia - San Sebastián, Spain
- Ikerbasque, Basque Foundation
for Science, 48013 Bilbao, Spain
- Biomedical Research Networking Center in Bioengineering Biomaterials and Nanomedicine, Ciber-BBN, 20014 Donostia - San Sebastián, Spain
| | - Xiaowei Ma
- Laboratory of Controllable Nanopharmaceuticals, Chinese Academy of Sciences (CAS), 100190 Beijing, China
| | - Paolo Macchiarini
- Laboratory of Bioengineering Regenerative Medicine (BioReM), Kazan Federal University, 420008 Kazan, Russia
| | - Huan Meng
- California NanoSystems Institute, Department of Chemistry
and Biochemistry and Department of Psychiatry and Semel Institute
for Neuroscience and Human Behavior, Division of NanoMedicine and Center
for the Environmental Impact of Nanotechnology, and Department of Materials Science
and Engineering, University of California,
Los Angeles, Los Angeles, California 90095, United States
| | - Helmuth Möhwald
- Department of Interfaces, Max-Planck
Institute of Colloids and Interfaces, 14476 Potsdam, Germany
| | - Paul Mulvaney
- School of Chemistry & Bio21 Institute, University of Melbourne, Parkville, Victoria 3010, Australia
| | - Andre E. Nel
- California NanoSystems Institute, Department of Chemistry
and Biochemistry and Department of Psychiatry and Semel Institute
for Neuroscience and Human Behavior, Division of NanoMedicine and Center
for the Environmental Impact of Nanotechnology, and Department of Materials Science
and Engineering, University of California,
Los Angeles, Los Angeles, California 90095, United States
| | - Shuming Nie
- Emory University, Atlanta, Georgia 30322, United States
| | - Peter Nordlander
- Departments of Physics and Astronomy, Rice
University, Houston, Texas 77005, United
States
| | - Teruo Okano
- Tokyo Women’s Medical University, Tokyo 162-8666, Japan
| | | | - Tai Hyun Park
- Department of Molecular Medicine and Biopharmaceutical
Sciences and School of Chemical and Biological Engineering, Seoul National University, Seoul, South Korea
- Advanced Institutes of Convergence Technology, Suwon, South Korea
| | - Reginald M. Penner
- Department of Chemistry, University of
California, Irvine, California 92697, United States
| | - Maurizio Prato
- Department of Chemical
and Pharmaceutical Sciences, University
of Trieste, 34127 Trieste, Italy
- CIC biomaGUNE, Paseo de Miramón 182, 20014, Donostia - San Sebastián, Spain
- Ikerbasque, Basque Foundation
for Science, 48013 Bilbao, Spain
| | - Victor Puntes
- ICREA, Pg. Lluís Companys 23, 08010 Barcelona, Spain
- Institut Català de Nanotecnologia, UAB, 08193 Barcelona, Spain
- Vall d’Hebron University Hospital
Institute of Research, 08035 Barcelona, Spain
| | - Vincent M. Rotello
- Department
of Chemistry, University of Massachusetts, Amherst, Massachusetts 01003, United States
| | - Amila Samarakoon
- Institute of Biomaterials
and Biomedical Engineering, University of
Toronto, Toronto, Ontario M5S 3G9, Canada
| | - Raymond E. Schaak
- Department of Chemistry, The
Pennsylvania State University, University Park, Pennsylvania 16802, United States
| | - Youqing Shen
- Department of Polymer Science and Engineering and Center for
Bionanoengineering and Department of Chemical and Biological Engineering, Zhejiang University, 310027 Hangzhou, China
| | - Sebastian Sjöqvist
- Department of Clinical Science, Intervention, and Technology (CLINTEC), Karolinska Institutet, 141 86 Stockholm, Sweden
| | - Andre G. Skirtach
- Department of Interfaces, Max-Planck
Institute of Colloids and Interfaces, 14476 Potsdam, Germany
- Department of Molecular Biotechnology, University of Ghent, B-9000 Ghent, Belgium
| | - Mahmoud G. Soliman
- Fachbereich Physik, Fachbereich Medizin, Fachbereich Pharmazie, and Department of Chemistry, Philipps Universität Marburg, 35037 Marburg, Germany
| | - Molly M. Stevens
- Department of Materials,
Department of Bioengineering, Institute for Biomedical Engineering, Imperial College London, London SW7 2AZ, United Kingdom
| | - Hsing-Wen Sung
- Department of Chemical Engineering and Institute of Biomedical
Engineering, National Tsing Hua University, Hsinchu City, Taiwan,
ROC 300
| | - Ben Zhong Tang
- Hong Kong Branch of Chinese National Engineering Research Center for Tissue Restoration and Reconstruction, Hong Kong, China
| | - Rainer Tietze
- ENT-Department, Section of Experimental Oncology & Nanomedicine
(SEON), Else Kröner-Fresenius-Stiftung-Professorship for Nanomedicine, University Hospital Erlangen, 91054 Erlangen, Germany
| | - Buddhisha N. Udugama
- Institute of Biomaterials
and Biomedical Engineering, University of
Toronto, Toronto, Ontario M5S 3G9, Canada
| | - J. Scott VanEpps
- Emergency Medicine, University of Michigan, Ann Arbor, Michigan 48019, United States
| | - Tanja Weil
- Institut für
Organische Chemie, Universität Ulm, 89081 Ulm, Germany
- Max-Planck-Institute for Polymer Research, 55128 Mainz, Germany
| | - Paul S. Weiss
- California NanoSystems Institute, Department of Chemistry
and Biochemistry and Department of Psychiatry and Semel Institute
for Neuroscience and Human Behavior, Division of NanoMedicine and Center
for the Environmental Impact of Nanotechnology, and Department of Materials Science
and Engineering, University of California,
Los Angeles, Los Angeles, California 90095, United States
| | - Itamar Willner
- Institute of Chemistry, The Center for
Nanoscience and Nanotechnology, The Hebrew
University of Jerusalem, Jerusalem 91904, Israel
| | - Yuzhou Wu
- Max-Planck-Institute for Polymer Research, 55128 Mainz, Germany
- School of Chemistry and Chemical Engineering, Huazhong University of Science and Technology, 430074 Wuhan, China
| | | | - Zhao Yue
- Fachbereich Physik, Fachbereich Medizin, Fachbereich Pharmazie, and Department of Chemistry, Philipps Universität Marburg, 35037 Marburg, Germany
| | - Qian Zhang
- Fachbereich Physik, Fachbereich Medizin, Fachbereich Pharmazie, and Department of Chemistry, Philipps Universität Marburg, 35037 Marburg, Germany
| | - Qiang Zhang
- School of Pharmaceutical Science, Peking University, 100191 Beijing, China
| | - Xian-En Zhang
- National Laboratory of Biomacromolecules,
CAS Center for Excellence in Biomacromolecules, Institute of Biophysics, Chinese Academy of Sciences, 15 Datun Road, Chaoyang District, Beijing, 100101, China
| | - Yuliang Zhao
- CAS Center for Excellence in Nanoscience and CAS Key
Laboratory for Biomedical Effects of Nanomaterials and Nanosafety, National Center for Nanoscience and Technology of
China, Beijing 100190, China
| | - Xin Zhou
- Key Laboratory of Magnetic Resonance in Biological Systems, State Key Laboratory of Magnetic Resonance and Atomic and Molecular Physics, National Center for Magnetic Resonance in Wuhan, Wuhan Institute of Physics and Mathematics, Chinese Academy of Sciences, Wuhan 430071, China
| | - Wolfgang J. Parak
- Fachbereich Physik, Fachbereich Medizin, Fachbereich Pharmazie, and Department of Chemistry, Philipps Universität Marburg, 35037 Marburg, Germany
- CIC biomaGUNE, Paseo de Miramón 182, 20014, Donostia - San Sebastián, Spain
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11
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Israelsen ND, Wooley D, Hanson C, Vargis E. Rational design of Raman-labeled nanoparticles for a dual-modality, light scattering immunoassay on a polystyrene substrate. J Biol Eng 2016; 10:2. [PMID: 26751120 PMCID: PMC4705623 DOI: 10.1186/s13036-015-0023-y] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2015] [Accepted: 12/29/2015] [Indexed: 12/17/2022] Open
Abstract
Background Surface-enhanced Raman scattering (SERS) is a powerful light scattering technique that can be used for sensitive immunoassay development and cell labeling. A major obstacle to using SERS is the complexity of fabricating SERS probes since they require nanoscale characterization and optical uniformity. The light scattering response of SERS probes may also be modulated by the substrate used for SERS analysis. A typical SERS substrate such as quartz can be expensive. Polystyrene is a cheaper substrate option but can decrease the SERS response due to interfering Raman emission peaks and high background fluorescence. The goal of this research is to develop an optimized process for fabricating Raman-labeled nanoparticles for a SERS-based immunoassay on a polystyrene substrate. Results We have developed a method for fabricating SERS nanoparticle probes for use in a light scattering immunoassay on a polystyrene substrate. The light scattering profile of both spherical gold nanoparticle and gold nanorod SERS probes were characterized using Raman spectroscopy and optical absorbance spectroscopy. The effects of substrate interference and autofluorescence were reduced by selecting a Raman reporter with a strong light scattering response in a spectral region where interfering substrate emission peaks are minimized. Both spherical gold nanoparticles and gold nanorods SERS probes used in the immunoassay were detected at labeling concentrations in the low pM range. This analytical sensitivity falls within the typical dynamic range for direct labeling of cell-surface biomarkers using SERS probes. Conclusion SERS nanoparticle probes were fabricated to produce a strong light scattering signal despite substrate interference. The optical extinction and inelastic light scattering of these probes was detected by optical absorbance spectroscopy and Raman spectroscopy, respectively. This immunoassay demonstrates the feasibility of analyzing strongly enhanced Raman signals on polystyrene, which is an inexpensive yet non-ideal Raman substrate. The assay sensitivity, which is in the low pM range, suggests that these SERS probe particles could be used for Raman labeling of cell or tissue samples in a polystyrene tissue culture plate. With continued development, this approach could be used for direct labeling of multiple cell surface biomarkers on strongly interfering substrate platforms. Electronic supplementary material The online version of this article (doi:10.1186/s13036-015-0023-y) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Nathan D Israelsen
- Department of Biological Engineering, Utah State University, 4105 Old Main Hill, Logan, UT 84322 USA
| | - Donald Wooley
- Department of Biological Engineering, Utah State University, 4105 Old Main Hill, Logan, UT 84322 USA
| | - Cynthia Hanson
- Department of Biological Engineering, Utah State University, 4105 Old Main Hill, Logan, UT 84322 USA
| | - Elizabeth Vargis
- Department of Biological Engineering, Utah State University, 4105 Old Main Hill, Logan, UT 84322 USA
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12
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Fang W, Zhang X, Chen Y, Wan L, Huang W, Shen A, Hu J. Portable SERS-enabled Micropipettes for Microarea Sampling and Reliably Quantitative Detection of Surface Organic Residues. Anal Chem 2015; 87:9217-24. [DOI: 10.1021/acs.analchem.5b01635] [Citation(s) in RCA: 71] [Impact Index Per Article: 7.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/29/2023]
Affiliation(s)
- Wei Fang
- Key Laboratory of Analytical
Chemistry for Biology and Medicine, Ministry of Education, College
of Chemistry and Molecular Sciences, Wuhan University, Wuhan 430072, P. R. China
| | - Xinwei Zhang
- Key Laboratory of Analytical
Chemistry for Biology and Medicine, Ministry of Education, College
of Chemistry and Molecular Sciences, Wuhan University, Wuhan 430072, P. R. China
| | - Yong Chen
- Key Laboratory of Analytical
Chemistry for Biology and Medicine, Ministry of Education, College
of Chemistry and Molecular Sciences, Wuhan University, Wuhan 430072, P. R. China
| | - Liang Wan
- Key Laboratory of Analytical
Chemistry for Biology and Medicine, Ministry of Education, College
of Chemistry and Molecular Sciences, Wuhan University, Wuhan 430072, P. R. China
| | - Weihua Huang
- Key Laboratory of Analytical
Chemistry for Biology and Medicine, Ministry of Education, College
of Chemistry and Molecular Sciences, Wuhan University, Wuhan 430072, P. R. 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, P. R. China
| | - Jiming Hu
- Key Laboratory of Analytical
Chemistry for Biology and Medicine, Ministry of Education, College
of Chemistry and Molecular Sciences, Wuhan University, Wuhan 430072, P. R. China
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13
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Li C, Martínez-Dávalos A, Cherry SR. Numerical simulation of x-ray luminescence optical tomography for small-animal imaging. JOURNAL OF BIOMEDICAL OPTICS 2014; 19:046002. [PMID: 24695846 PMCID: PMC3973658 DOI: 10.1117/1.jbo.19.4.046002] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/09/2013] [Revised: 02/27/2014] [Accepted: 03/03/2014] [Indexed: 05/20/2023]
Abstract
X-ray luminescence optical tomography (XLOT) is an emerging hybrid imaging modality in which x-ray excitable particles (phosphor particles) emit optical photons when stimulated with a collimated x-ray beam. XLOT can potentially combine the high sensitivity of optical imaging with the high spatial resolution of x-ray imaging. For reconstruction of XLOT data, we compared two reconstruction algorithms, conventional filtered backprojection (FBP) and a new algorithm, x-ray luminescence optical tomography with excitation priors (XLOT-EP), in which photon propagation is modeled with the diffusion equation and the x-ray beam positions are used as reconstruction priors. Numerical simulations based on dose calculations were used to validate the proposed XLOT imaging system and the reconstruction algorithms. Simulation results showed nanoparticle concentrations reconstructed with XLOT-EP are much less dependent on scan depth than those obtained with FBP. Measurements at just two orthogonal projections are sufficient for XLOT-EP to reconstruct an XLOT image for simple source distributions. The heterogeneity of x-ray energy deposition is included in the XLOT-EP reconstruction and improves the reconstruction accuracy, suggesting that there is a need to calculate the x-ray energy distribution for experimental XLOT imaging.
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Affiliation(s)
- Changqing Li
- University of California, School of Engineering, Merced, Merced, California 95343
- Address all correspondence to: Changqing Li, E-mail:
| | - Arnulfo Martínez-Dávalos
- Universidad Nacional Autónoma de México, Instituto de Física, A.P. 20-364, 01000 México D.F., Mexico
| | - Simon R. Cherry
- University of California, Department of Biomedical Engineering, Davis, Davis, California 95616
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14
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Ranc V, Markova Z, Hajduch M, Prucek R, Kvitek L, Kaslik J, Safarova K, Zboril R. Magnetically Assisted Surface-Enhanced Raman Scattering Selective Determination of Dopamine in an Artificial Cerebrospinal Fluid and a Mouse Striatum Using Fe3O4/Ag Nanocomposite. Anal Chem 2014; 86:2939-46. [DOI: 10.1021/ac500394g] [Citation(s) in RCA: 61] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
Affiliation(s)
- Vaclav Ranc
- Regional Center
of Advanced Technologies and Materials, Department of
Physical Chemistry, Faculty of Science, Palacky University Olomouc, 17. listopadu 1192/12, 771 46 Olomouc, Czech Republic
| | - Zdenka Markova
- Regional Center
of Advanced Technologies and Materials, Department of
Physical Chemistry, Faculty of Science, Palacky University Olomouc, 17. listopadu 1192/12, 771 46 Olomouc, Czech Republic
| | - Marian Hajduch
- Institute of
Molecular and Translational Medicine, Faculty of Medicine and Dentistry, Palacky University Olomouc, Hněvotínská 5, 779 00 Olomouc, Czech Republic
| | - Robert Prucek
- Regional Center
of Advanced Technologies and Materials, Department of
Physical Chemistry, Faculty of Science, Palacky University Olomouc, 17. listopadu 1192/12, 771 46 Olomouc, Czech Republic
| | - Libor Kvitek
- Regional Center
of Advanced Technologies and Materials, Department of
Physical Chemistry, Faculty of Science, Palacky University Olomouc, 17. listopadu 1192/12, 771 46 Olomouc, Czech Republic
| | - Josef Kaslik
- Regional Center
of Advanced Technologies and Materials, Department of
Physical Chemistry, Faculty of Science, Palacky University Olomouc, 17. listopadu 1192/12, 771 46 Olomouc, Czech Republic
| | - Klara Safarova
- Regional Center
of Advanced Technologies and Materials, Department of
Physical Chemistry, Faculty of Science, Palacky University Olomouc, 17. listopadu 1192/12, 771 46 Olomouc, Czech Republic
| | - Radek Zboril
- Regional Center
of Advanced Technologies and Materials, Department of
Physical Chemistry, Faculty of Science, Palacky University Olomouc, 17. listopadu 1192/12, 771 46 Olomouc, Czech Republic
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15
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Salehi M, Schneider L, Ströbel P, Marx A, Packeisen J, Schlücker S. Two-color SERS microscopy for protein co-localization in prostate tissue with primary antibody-protein A/G-gold nanocluster conjugates. NANOSCALE 2014; 6:2361-2367. [PMID: 24430775 DOI: 10.1039/c3nr05890e] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/03/2023]
Abstract
SERS microscopy is a novel staining technique in immunohistochemistry, which is based on antibodies labeled with functionalized noble metal colloids called SERS labels or nanotags for optical detection. Conventional covalent bioconjugation of these SERS labels cannot prevent blocking of the antigen recognition sites of the antibody. We present a rational chemical design for SERS label-antibody conjugates which addresses this issue. Highly sensitive, silica-coated gold nanoparticle clusters as SERS labels are non-covalently conjugated to primary antibodies by using the chimeric protein A/G, which selectively recognizes the Fc part of antibodies and therefore prevents blocking of the antigen recognition sites. In proof-of-concept two-color imaging experiments for the co-localization of p63 and PSA on non-neoplastic prostate tissue FFPE specimens, we demonstrate the specificity and signal brightness of these rationally designed primary antibody-protein A/G-gold nanocluster conjugates.
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Affiliation(s)
- Mohammad Salehi
- Department of Physics, University of Osnabrück, Barbarastr. 7, 49069 Osnabrück, Germany
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16
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Salehi M, Steinigeweg D, Ströbel P, Marx A, Packeisen J, Schlücker S. Rapid immuno-SERS microscopy for tissue imaging with single-nanoparticle sensitivity. JOURNAL OF BIOPHOTONICS 2013; 6:785-792. [PMID: 23225645 DOI: 10.1002/jbio.201200148] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/06/2012] [Revised: 10/29/2012] [Accepted: 10/29/2012] [Indexed: 06/01/2023]
Abstract
Immuno-SERS microscopy is a novel imaging technique in nano-biophotonics, which employs antibodies labeled with SERS-active nanoparticles in conjunction with Raman microscopy. Rapid data acquisition is of central importance for screening large areas of tissue specimens. Here, we first discuss the role of SERS labels with single-particle sensitivity in immuno-SERS microscopy, in particular with respect to false-negative results. In combined single-particle experiments (SERS microscopy/dark-field microscopy/HR-SEM), we then demonstrate that small glass-coated clusters (dimers and trimers) of gold nanospheres exhibit the desired single-particle SERS sensitivity, even at acquisition times as short as 30 msec per pixel, while monomers do not. The proof-of-concept for rapid immuno-SERS microscopy with 30 msec acquisition time per pixel for selective imaging of the p53 family member p63 in prostate tissue sections is demonstrated.
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Affiliation(s)
- Mohammad Salehi
- Department of Physics, University of Osnabrück, Barbarastr. 7, 49069 Osnabrück, Germany
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17
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Sciutto G, Litti L, Lofrumento C, Prati S, Ricci M, Gobbo M, Roda A, Castellucci E, Meneghetti M, Mazzeo R. Alternative SERRS probes for the immunochemical localization of ovalbumin in paintings: an advanced mapping detection approach. Analyst 2013; 138:4532-41. [DOI: 10.1039/c3an00057e] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
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18
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Affiliation(s)
- Yunqing Wang
- Key Laboratory of Coastal Zone
Environmental Processes, Yantai Institute of Coastal Zone Research, Chinese Academy of Sciences, Yantai 264003, China
| | - Bing Yan
- School of Chemistry and Chemical
Engineering, Shandong University, Jinan
250100, China
| | - Lingxin Chen
- Key Laboratory of Coastal Zone
Environmental Processes, Yantai Institute of Coastal Zone Research, Chinese Academy of Sciences, Yantai 264003, China
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19
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Powers AD, Palecek SP. Protein analytical assays for diagnosing, monitoring, and choosing treatment for cancer patients. JOURNAL OF HEALTHCARE ENGINEERING 2012; 3:503-534. [PMID: 25147725 DOI: 10.1260/2040-2295.3.4.503] [Citation(s) in RCA: 34] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Abstract
Cancer treatment is often hindered by inadequate methods for diagnosing the disease or insufficient predictive capacity regarding therapeutic efficacy. Targeted cancer treatments, including Bcr-Abl and EGFR kinase inhibitors, have increased survival for some cancer patients but are ineffective in other patients. In addition, many patients who initially respond to targeted inhibitor therapy develop resistance during the course of treatment. Molecular analysis of cancer cells has emerged as a means to tailor treatment to particular patients. While DNA analysis can provide important diagnostic information, protein analysis is particularly valuable because proteins are more direct mediators of normal and diseased cellular processes. In this review article, we discuss current and emerging protein assays for improving cancer treatment, including trends toward assay miniaturization and measurement of protein activity.
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Affiliation(s)
- Alicia D Powers
- Department of Chemical and Biological Engineering University of Wisconsin-Madison
| | - Sean P Palecek
- Department of Chemical and Biological Engineering University of Wisconsin-Madison
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20
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Multiplex optical sensing with surface-enhanced Raman scattering: a critical review. Anal Chim Acta 2012; 745:10-23. [PMID: 22938601 DOI: 10.1016/j.aca.2012.08.003] [Citation(s) in RCA: 85] [Impact Index Per Article: 7.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2012] [Revised: 08/01/2012] [Accepted: 08/02/2012] [Indexed: 01/25/2023]
Abstract
Multiplex analysis permits the detection of several analytical targets at the same time. This approach may permit to draw a rapid and accurate diagnostic about the health of an individual or an environment. Among the analytical techniques with potential for multiplexing surface-enhanced Raman scattering (SERS) offer unique advantages such as ultrasensitive detection down low the deconvolution times, a unique signature containing all the vibrational information of the target molecules, and the possibility of performing the experiments even in very demanding environments such as natural or biological fluids. Here we review the late advances in multiplex SERS including the direct methods, those aided by the surface functionalization of the plasmonic nanoparticles and the use of SERS encoded particles.
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21
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Kode K, Shachaf C, Elchuri S, Nolan G, Paik DS. Raman Labeled Nanoparticles: Characterization of Variability and Improved Method for Unmixing. JOURNAL OF RAMAN SPECTROSCOPY : JRS 2012; 43:895-905. [PMID: 24833814 PMCID: PMC4019428 DOI: 10.1002/jrs.3114] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/29/2023]
Abstract
Raman spectroscopy can differentiate the spectral fingerprints of many molecules, resulting in potentially high multiplexing capabilities of Raman-tagged nanoparticles. However, accurate quantitative unmixing of Raman spectra is challenging because of potential overlaps between Raman peaks from each molecule as well as slight variations in the location, height and width of the very narrow peaks. If not accounted for properly, even minor fluctuations in the spectra may produce significant error which will ultimately result in poor unmixing accuracy. The objective of our study was to develop and validate a mathematical model of the Raman spectra of nanoparticles to unmix the contributions from each nanoparticle allowing simultaneous quantitation of several nanoparticle concentrations during sample characterization. We developed and evaluated an algorithm for quantitative unmixing of the spectra, called Narrow Peak Spectral Algorithm (NPSA) . Using NPSA, we were able to successfully unmix Raman spectra from up to 7 Raman nanoparticles after correcting for the spectral variations of 30% in intensity and shifts in peak locations of up to 10 cm-1 which is equivalent to 50% of the full width at half maximum (FWHM). We compared the performance of NPSA to the conventional least squares analysis (LS), error in NPSA is approximately 50% lower than LS. The error in estimating the relative contributions of each nanoparticle using NPSA are in the range of 10-16% for equal ratios and 13-19% for unequal ratios for unmixing of 7 composite organic - inorganic nanoparticles (COINs) whereas the errors using the traditional least squares approach were in the range of 25-38% for equal ratios and 45-68% for unequal ratios. Here, we report for the first time, the quantitative unmixing of 7 nanoparticles with maximum RMS % error less than 20%.
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Affiliation(s)
- Kranthi Kode
- Deparment of Radiology, Stanford University School of Medicine ; Computational and Mathematical Engineering, Stanford University School of Engineering
| | - Cathy Shachaf
- Deparment of Radiology, Stanford University School of Medicine ; Deparment of Microbiology and Immunology, Stanford University School of Medicine
| | - Sailaja Elchuri
- Deparment of Microbiology and Immunology, Stanford University School of Medicine
| | - Garry Nolan
- Deparment of Microbiology and Immunology, Stanford University School of Medicine
| | - David S Paik
- Deparment of Radiology, Stanford University School of Medicine
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22
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Chen Y, Chen G, Feng S, Pan J, Zheng X, Su Y, Chen Y, Huang Z, Lin X, Lan F, Chen R, Zeng H. Label-free serum ribonucleic acid analysis for colorectal cancer detection by surface-enhanced Raman spectroscopy and multivariate analysis. JOURNAL OF BIOMEDICAL OPTICS 2012; 17:067003. [PMID: 22734781 DOI: 10.1117/1.jbo.17.6.067003] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/18/2023]
Abstract
Studies with circulating ribonucleic acid (RNA) not only provide new targets for cancer detection, but also open up the possibility of noninvasive gene expression profiling for cancer. In this paper, we developed a surface-enhanced Raman scattering (SERS), platform for detection and differentiation of serum RNAs of colorectal cancer. A novel three-dimensional (3-D), Ag nanofilm formed by dry MgSO(4) aggregated silver nanoparticles, Ag NP, as the SERS-active substrate was presented to effectively enhance the RNA Raman signals. SERS measurements were performed on two groups of serum RNA samples. One group from patients, n=55 with pathologically diagnosed colorectal cancer and the other group from healthy controls, n=45. Tentative assignments of the Raman bands in the normalized SERS spectra demonstrated that there are differential expressions of cancer-related RNAs between the two groups. Linear discriminate analysis, based on principal component analysis, generated features can differentiate the colorectal cancer SERS spectra from normal SERS spectra with sensitivity of 89.1 percent and specificity of 95.6 percent. This exploratory study demonstrated great potential for developing serum RNA SERS analysis into a useful clinical tool for label-free, noninvasive screening and detection of colorectal cancers.
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Affiliation(s)
- Yanping Chen
- Fujian Normal University, Key Laboratory of OptoElectronic Science and Technology for Medicine, Ministry of Education and Fujian Provincial Key Laboratory for Photonics Technology, Fuzhou 350007, China
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23
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Wang Y, Chen L, Liu P. Biocompatible Triplex Ag@SiO2@mTiO2 Core-Shell Nanoparticles for Simultaneous Fluorescence-SERS Bimodal Imaging and Drug Delivery. Chemistry 2012; 18:5935-43. [DOI: 10.1002/chem.201103571] [Citation(s) in RCA: 95] [Impact Index Per Article: 7.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2011] [Indexed: 12/21/2022]
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Chen Y, Zheng X, Chen G, He C, Zhu W, Feng S, Xi G, Chen R, Lan F, Zeng H. Immunoassay for LMP1 in nasopharyngeal tissue based on surface-enhanced Raman scattering. Int J Nanomedicine 2011; 7:73-82. [PMID: 22275824 PMCID: PMC3260952 DOI: 10.2147/ijn.s26854] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2011] [Indexed: 12/26/2022] Open
Abstract
BACKGROUND Previous studies have shown that Epstein-Barr virus (EBV)-encoded latent membrane protein 1 (LMP1) is closely associated with the occurrence and development of nasopharyngeal carcinoma, and can be used as a tumor marker in screening for the disease. Here we report a new methodology based on highly specific and sensitive surface-enhanced Raman scattering (SERS) technology to detect LMP1 in nasopharyngeal tissue sections directly with no need of tedious procedures as with conventional immunohistochemistry methods. METHODS LMP1-functionalized 4-mercaptobenzoic acid (4-MBA)-labeled Au/Ag core-shell bimetallic nanoparticles were prepared first and then applied for analyzing LMP1 in formalin-fixed paraffin-embedded nasopharyngeal tissue sections obtained from 34 cancer patients and 20 healthy controls. SERS spectra were acquired from a 25 × 25 spot square area on each tissue section and used to generate SERS images. RESULTS Data from SERS spectra and images show that this new SERS-based immunoassay detected LMP1 in formalin-fixed paraffin-embedded nasopharyngeal tissue sections with high sensitivity and specificity. The results from the new LMP1-SERS probe method are superior to those of conventional immunohistochemistry staining for LMP1, and in excellent agreement with those of in situ hybridization for EBV-encoded small RNA (EBER). CONCLUSION This new SERS technique has the potential to be developed into a new clinical tool for detection and differential diagnosis of nasopharyngeal carcinoma as well as for predicting metastasis and immune-targeted treatment of nasopharyngeal carcinoma.
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Affiliation(s)
- Yanping Chen
- Pathology Department of Fujian Provincial Tumor Hospital, Teaching Hospital of Fujian Medical University, Fujian, People's Republic of China
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25
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Quantitative ratiometric discrimination between noncancerous and cancerous prostate cells based on neuropilin-1 overexpression. Proc Natl Acad Sci U S A 2011; 108:16559-64. [PMID: 21930955 DOI: 10.1073/pnas.1109490108] [Citation(s) in RCA: 53] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Abstract
A multiplexed, ratiometric method is described that can confidently distinguish between cancerous and noncancerous epithelial prostate cells in vitro. The technique is based on bright surface-enhanced resonance Raman scattering (SERRS) biotags (SBTs) infused with unique Raman reporter molecules, and carrying cell-specific peptides. Two sets of SBTs were used. One targets the neuropilin-1 (NRP-1) receptors of cancer cells through the RPARPAR peptide. The other functions as a positive control (PC) and binds to both noncancerous and cancer cells through the HIV-derived TAT peptide. Point-by-point 2D Raman maps of the spatial distribution of the two tags were constructed with subcellular resolution from cells simultaneously incubated with the two sets of SBTs. Averaging the SERRS signal over a given cell yielded an NRP/PC ratio from which a robust quantitative measure of the overexpression of the NRP-1 by the cancer cell line was extracted. The use of a local, on-cell reference produces quantitative, statistically robust measures of overexpression independent of such sources of uncertainty as variations in the location of the focal plane, the local cell concentration, and turbidity.
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26
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Bellan LM, Wu D, Langer RS. Current trends in nanobiosensor technology. WILEY INTERDISCIPLINARY REVIEWS. NANOMEDICINE AND NANOBIOTECHNOLOGY 2011; 3:229-46. [PMID: 21391305 PMCID: PMC4126610 DOI: 10.1002/wnan.136] [Citation(s) in RCA: 98] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
The development of tools and processes used to fabricate, measure, and image nanoscale objects has lead to a wide range of work devoted to producing sensors that interact with extremely small numbers (or an extremely small concentration) of analyte molecules. These advances are particularly exciting in the context of biosensing, where the demands for low concentration detection and high specificity are great. Nanoscale biosensors, or nanobiosensors, provide researchers with an unprecedented level of sensitivity, often to the single molecule level. The use of biomolecule-functionalized surfaces can dramatically boost the specificity of the detection system, but can also yield reproducibility problems and increased complexity. Several nanobiosensor architectures based on mechanical devices, optical resonators, functionalized nanoparticles, nanowires, nanotubes, and nanofibers have been demonstrated in the lab. As nanobiosensor technology becomes more refined and reliable, it is likely it will eventually make its way from the lab to the clinic, where future lab-on-a-chip devices incorporating an array of nanobiosensors could be used for rapid screening of a wide variety of analytes at low cost using small samples of patient material.
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Affiliation(s)
- Leon M Bellan
- David H. Koch Institute for Integrative Cancer Research, Massachusetts Institute of Technology, Cambridge, MA, USA.
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27
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Bellan LM, Wu D, Langer RS. Current trends in nanobiosensor technology. WILEY INTERDISCIPLINARY REVIEWS. NANOMEDICINE AND NANOBIOTECHNOLOGY 2011. [PMID: 21391305 DOI: 10.1002/wnan.v3.310.1002/wnan.136] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Subscribe] [Scholar Register] [Indexed: 04/14/2023]
Abstract
The development of tools and processes used to fabricate, measure, and image nanoscale objects has lead to a wide range of work devoted to producing sensors that interact with extremely small numbers (or an extremely small concentration) of analyte molecules. These advances are particularly exciting in the context of biosensing, where the demands for low concentration detection and high specificity are great. Nanoscale biosensors, or nanobiosensors, provide researchers with an unprecedented level of sensitivity, often to the single molecule level. The use of biomolecule-functionalized surfaces can dramatically boost the specificity of the detection system, but can also yield reproducibility problems and increased complexity. Several nanobiosensor architectures based on mechanical devices, optical resonators, functionalized nanoparticles, nanowires, nanotubes, and nanofibers have been demonstrated in the lab. As nanobiosensor technology becomes more refined and reliable, it is likely it will eventually make its way from the lab to the clinic, where future lab-on-a-chip devices incorporating an array of nanobiosensors could be used for rapid screening of a wide variety of analytes at low cost using small samples of patient material.
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Affiliation(s)
- Leon M Bellan
- David H. Koch Institute for Integrative Cancer Research, Massachusetts Institute of Technology, Cambridge, MA, USA.
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Zhang Y, Hong H, Cai W. Imaging with Raman spectroscopy. Curr Pharm Biotechnol 2011; 11:654-61. [PMID: 20497112 DOI: 10.2174/138920110792246483] [Citation(s) in RCA: 67] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2010] [Accepted: 03/09/2010] [Indexed: 01/27/2023]
Abstract
Raman spectroscopy, based on the inelastic scattering of a photon, has been widely used as an analytical tool in many research fields. Recently, Raman spectroscopy has also been explored for biomedical applications (e.g. cancer diagnosis) because it can provide detailed information on the chemical composition of cells and tissues. For imaging applications, several variations of Raman spectroscopy have been developed to enhance its sensitivity. This review article will provide a brief summary of Raman spectroscopy-based imaging, which includes the use of coherent anti-Stokes Raman spectroscopy (CARS, primarily used for imaging the C-H bond in lipids), surface-enhanced Raman spectroscopy (SERS, for which a variety of nanoparticles can be used as contrast agents), and single-walled carbon nanotubes (SWNTs, with its intrinsic Raman signal). The superb multiplexing capability of SERS-based Raman imaging can be extremely powerful in future research where different agents can be attached to different Raman tags to enable the interrogation of multiple biological events simultaneously in living subjects. The primary limitations of Raman imaging in humans are those also faced by other optical techniques, in particular limited tissue penetration. Over the last several years, Raman spectroscopy imaging has advanced significantly and many critical proof-of-principle experiments have been successfully carried out. It is expected that imaging with Raman Spectroscopy will continue to be a dynamic research field over the next decade.
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Affiliation(s)
- Yin Zhang
- Department Medical Physics, School of Medicine and Public Health, University of Wisconsin-Madison, Madison, WI 53705-2275, USA
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Xie W, Qiu P, Mao C. Bio-imaging, detection and analysis by using nanostructures as SERS substrates. ACTA ACUST UNITED AC 2011; 21:5190-5202. [PMID: 21625344 DOI: 10.1039/c0jm03301d] [Citation(s) in RCA: 74] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
Surface-enhanced Raman scattering (SERS) is a phenomenon that occurs on nanoscale-roughed metallic surface. The magnitude of the Raman scattering signal can be greatly enhanced when the scatterer is placed in the very close vicinity of the surface, which enables this phenomenon to be a highly sensitive analytical technique. SERS inherits the general strongpoint of conventional Raman spectroscopy and overcomes the inherently small cross section problem of a Raman scattering. It is a sensitive and nondestructive spectroscopic method for biological samples, and can be exploited either for the delivery of molecular structural information or for the detection of trace levels of analytes. Therefore, SERS has long been regarded as a powerful tool in biomedical research. Metallic nanostructure plays a key role in all the biomedical applications of SERS because the enhanced Raman signal can only be obtained on the surface of a finely divided substrate. This review focuses on progress made in the use of SERS as an analytical technique in bio-imaging, analysis and detection. Recent progress in the fabrication of SERS active nanostructures is also highlighted.
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Affiliation(s)
- Wei Xie
- Department of Chemistry and Biochemistry, Stephenson Life Sciences Research Center, University of Oklahoma, 101 Stephenson Parkway, Norman, OK, 73019, USA
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Stone N, Kerssens M, Lloyd GR, Faulds K, Graham D, Matousek P. Surface enhanced spatially offset Raman spectroscopic (SESORS) imaging – the next dimension. Chem Sci 2011. [DOI: 10.1039/c0sc00570c] [Citation(s) in RCA: 141] [Impact Index Per Article: 10.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022] Open
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Abstract
Significant advances have been made in the preparation and applications of surface-enhanced Raman scattering (SERS)-active materials for biomolecular analysis. Bright signals, photostability, and narrow spectral features of SERS-active materials offer attractive advantages for cytometric analyses. However, SERS cytometry is still in an early stage of development, and advances in both instrumentation and reagents will be necessary to realize its full potential. In this chapter, we discuss the challenges of expanding the numbers of fluorescent labels that can be measured in cytometry, and introduce SERS tags with extremely narrow spectral peaks as an approach to make more efficient use of the optical spectrum and increase the number of parameters in cytometry.
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Affiliation(s)
- John P Nolan
- La Jolla Bioengineering Institute, La Jolla, California, USA
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Stone N, Faulds K, Graham D, Matousek P. Prospects of deep Raman spectroscopy for noninvasive detection of conjugated surface enhanced resonance Raman scattering nanoparticles buried within 25 mm of mammalian tissue. Anal Chem 2010; 82:3969-73. [PMID: 20397683 DOI: 10.1021/ac100039c] [Citation(s) in RCA: 108] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
This letter discusses the potential of deep Raman spectroscopy, surface enhanced spatially offset Raman spectroscopy (SESORS and its variants), for noninvasively detecting small, deeply buried lesions using surface enhanced resonance Raman scattering (SERRS) active nanoparticles. An experimental demonstration of this concept is performed in transmission Raman geometry. This method opens prospects for in vivo, noninvasive, specific detection of molecular changes associated with disease up to depths of several centimeters representing significant improvement over traditionally detected Raman signals by 2 orders of magnitude. The disease specific signals can be achieved using uniquely tagged nanoparticles conjugated to target molecules, e.g., antibodies for production of the SERRS signal. This provides the molecular specific signal which is many orders of magnitude greater than normal biological Raman signals and can be easily multiplexed. To date, there have been no studies demonstrating the viability of deep Raman spectroscopy coupled to surface enhanced techniques for detecting low concentrations of molecules of interest at depths of greater than 5.5 mm in tissue. Such a breakthrough would open a host of new applications in medical diagnoses. Here we propose to facilitate such capability by combining SERRS (as a probe for disease specific changes) with deep Raman spectroscopy techniques. This permits noninvasive measurement of Raman signatures from conjugated SERRS nanoparticles at clinically relevant concentrations through tissues of between 15 and 25 mm thick.
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Detection of chronic lymphocytic leukemia cell surface markers using surface enhanced Raman scattering gold nanoparticles. Cancer Lett 2010; 292:91-7. [DOI: 10.1016/j.canlet.2009.11.011] [Citation(s) in RCA: 60] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2009] [Revised: 11/12/2009] [Accepted: 11/16/2009] [Indexed: 11/19/2022]
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Raman Spectroscopy for Early Cancer Detection, Diagnosis and Elucidation of Disease-Specific Biochemical Changes. EMERGING RAMAN APPLICATIONS AND TECHNIQUES IN BIOMEDICAL AND PHARMACEUTICAL FIELDS 2010. [DOI: 10.1007/978-3-642-02649-2_13] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
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Allgeyer ES, Pongan A, Browne M, Mason MD. Optical signal comparison of single fluorescent molecules and Raman active gold nanostars. NANO LETTERS 2009; 9:3816-3819. [PMID: 19827758 DOI: 10.1021/nl902008g] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/28/2023]
Abstract
The relevant photophysical properties of single fluorescent molecules and single SERS active surface-coated gold nanostars tagged with the Raman reporter molecule 4-mercaptopyridine are compared for imaging purposes. Mean count rate distributions are built from the single molecule/single probe level. The individually observed variance and count rates of both systems are compared as well as the behavior over multiple image acquisitions.
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Affiliation(s)
- Edward S Allgeyer
- Department of Physics and Astronomy, Department of Chemical and Biological Engineering, University of Maine, Orono, Maine 04469, USA
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Cancer proteomics--an evolving battlefield. Conference on Cancer Proteomics 2009: Mechanistic Insights, Technological Advances & Molecular Medicine. EMBO Rep 2009; 10:1202-5. [PMID: 19798100 DOI: 10.1038/embor.2009.222] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2009] [Accepted: 09/16/2009] [Indexed: 01/31/2023] Open
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Kendall C, Isabelle M, Bazant-Hegemark F, Hutchings J, Orr L, Babrah J, Baker R, Stone N. Vibrational spectroscopy: a clinical tool for cancer diagnostics. Analyst 2009; 134:1029-45. [PMID: 19475128 DOI: 10.1039/b822130h] [Citation(s) in RCA: 180] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
Vibrational spectroscopy techniques have demonstrated potential to provide non-destructive, rapid, clinically relevant diagnostic information. Early detection is the most important factor in the prevention of cancer. Raman and infrared spectroscopy enable the biochemical signatures from biological tissues to be extracted and analysed. In conjunction with advanced chemometrics such measurements can contribute to the diagnostic assessment of biological material. This paper also illustrates the complementary advantage of using Raman and FTIR spectroscopy technologies together. Clinical requirements are increasingly met by technological developments which show promise to become a clinical reality. This review summarises recent advances in vibrational spectroscopy and their impact on the diagnosis of cancer.
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Affiliation(s)
- Catherine Kendall
- Biophotonics Research Unit, Leadon House, Gloucestershire Hospitals NHS Foundation Trust, Gloucester, UK GL1 3NN
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Wachsmann-Hogiu S, Weeks T, Huser T. Chemical analysis in vivo and in vitro by Raman spectroscopy--from single cells to humans. Curr Opin Biotechnol 2009; 20:63-73. [PMID: 19268566 PMCID: PMC3185305 DOI: 10.1016/j.copbio.2009.02.006] [Citation(s) in RCA: 109] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2008] [Revised: 02/10/2009] [Accepted: 02/11/2009] [Indexed: 02/05/2023]
Abstract
The gold standard for clinical diagnostics of tissues is immunofluorescence staining. Toxicity of many fluorescent dyes precludes their application in vivo. Raman spectroscopy, a chemically specific, label-free diagnostic technique, is rapidly gaining acceptance as a powerful alternative. It has the ability to probe the chemical composition of biological materials in a non-destructive and mostly non-perturbing manner. We review the most recent developments in Raman spectroscopy in the life sciences, detailing advances in technology that have improved the ability to screen for diseases. Its role in the monitoring of biological function and mapping the cellular chemical microenvironment will be discussed. Applications including endoscopy, surface-enhanced Raman scattering (SERS), and coherent Raman scattering (CRS) will be reviewed.
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Affiliation(s)
- Sebastian Wachsmann-Hogiu
- NSF Center for Biophotonics Science and Technology, University of California, Davis, 2700 Stockton Blvd., Suite 1400, Sacramento, CA 95817, USA
- Department of Pathology and Laboratory Medicine, University of California, Davis, 2700 Stockton Blvd., Suite 1400, Sacramento, CA 95817, USA
| | - Tyler Weeks
- NSF Center for Biophotonics Science and Technology, University of California, Davis, 2700 Stockton Blvd., Suite 1400, Sacramento, CA 95817, USA
- Department of Applied Science, University of California, Davis, 2700 Stockton Blvd., Suite 1400, Sacramento, CA 95817, USA
| | - Thomas Huser
- NSF Center for Biophotonics Science and Technology, University of California, Davis, 2700 Stockton Blvd., Suite 1400, Sacramento, CA 95817, USA
- Department of Internal Medicine, University of California, Davis, 2700 Stockton Blvd., Suite 1400, Sacramento, CA 95817, USA,
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Jehn C, Küstner B, Adam P, Marx A, Ströbel P, Schmuck C, Schlücker S. Water soluble SERS labels comprising a SAM with dual spacers for controlled bioconjugation. Phys Chem Chem Phys 2009; 11:7499-504. [DOI: 10.1039/b905092b] [Citation(s) in RCA: 52] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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Woo MA, Lee SM, Kim G, Baek J, Noh MS, Kim JE, Park SJ, Minai-Tehrani A, Park SC, Seo YT, Kim YK, Lee YS, Jeong DH, Cho MH. Multiplex Immunoassay Using Fluorescent-Surface Enhanced Raman Spectroscopic Dots for the Detection of Bronchioalveolar Stem Cells in Murine Lung. Anal Chem 2008; 81:1008-15. [DOI: 10.1021/ac802037x] [Citation(s) in RCA: 73] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Min-Ah Woo
- College of Veterinary Medicine and Interdisciplinary Program in Nano-Science and Technology, School of Chemical and Biological Engineering, Department of Chemistry Education, and School of Electrical Engineering and Computer Science, Seoul National University, Seoul 151-742, Korea
| | - Sang-Myung Lee
- College of Veterinary Medicine and Interdisciplinary Program in Nano-Science and Technology, School of Chemical and Biological Engineering, Department of Chemistry Education, and School of Electrical Engineering and Computer Science, Seoul National University, Seoul 151-742, Korea
| | - Gunsung Kim
- College of Veterinary Medicine and Interdisciplinary Program in Nano-Science and Technology, School of Chemical and Biological Engineering, Department of Chemistry Education, and School of Electrical Engineering and Computer Science, Seoul National University, Seoul 151-742, Korea
| | - JongHo Baek
- College of Veterinary Medicine and Interdisciplinary Program in Nano-Science and Technology, School of Chemical and Biological Engineering, Department of Chemistry Education, and School of Electrical Engineering and Computer Science, Seoul National University, Seoul 151-742, Korea
| | - Mi Suk Noh
- College of Veterinary Medicine and Interdisciplinary Program in Nano-Science and Technology, School of Chemical and Biological Engineering, Department of Chemistry Education, and School of Electrical Engineering and Computer Science, Seoul National University, Seoul 151-742, Korea
| | - Ji Eun Kim
- College of Veterinary Medicine and Interdisciplinary Program in Nano-Science and Technology, School of Chemical and Biological Engineering, Department of Chemistry Education, and School of Electrical Engineering and Computer Science, Seoul National University, Seoul 151-742, Korea
| | - Sung Jin Park
- College of Veterinary Medicine and Interdisciplinary Program in Nano-Science and Technology, School of Chemical and Biological Engineering, Department of Chemistry Education, and School of Electrical Engineering and Computer Science, Seoul National University, Seoul 151-742, Korea
| | - Arash Minai-Tehrani
- College of Veterinary Medicine and Interdisciplinary Program in Nano-Science and Technology, School of Chemical and Biological Engineering, Department of Chemistry Education, and School of Electrical Engineering and Computer Science, Seoul National University, Seoul 151-742, Korea
| | - Se-Chang Park
- College of Veterinary Medicine and Interdisciplinary Program in Nano-Science and Technology, School of Chemical and Biological Engineering, Department of Chemistry Education, and School of Electrical Engineering and Computer Science, Seoul National University, Seoul 151-742, Korea
| | - Yeong Tai Seo
- College of Veterinary Medicine and Interdisciplinary Program in Nano-Science and Technology, School of Chemical and Biological Engineering, Department of Chemistry Education, and School of Electrical Engineering and Computer Science, Seoul National University, Seoul 151-742, Korea
| | - Yong-Kwon Kim
- College of Veterinary Medicine and Interdisciplinary Program in Nano-Science and Technology, School of Chemical and Biological Engineering, Department of Chemistry Education, and School of Electrical Engineering and Computer Science, Seoul National University, Seoul 151-742, Korea
| | - Yoon-Sik Lee
- College of Veterinary Medicine and Interdisciplinary Program in Nano-Science and Technology, School of Chemical and Biological Engineering, Department of Chemistry Education, and School of Electrical Engineering and Computer Science, Seoul National University, Seoul 151-742, Korea
| | - Dae Hong Jeong
- College of Veterinary Medicine and Interdisciplinary Program in Nano-Science and Technology, School of Chemical and Biological Engineering, Department of Chemistry Education, and School of Electrical Engineering and Computer Science, Seoul National University, Seoul 151-742, Korea
| | - Myung-Haing Cho
- College of Veterinary Medicine and Interdisciplinary Program in Nano-Science and Technology, School of Chemical and Biological Engineering, Department of Chemistry Education, and School of Electrical Engineering and Computer Science, Seoul National University, Seoul 151-742, Korea
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Lutz BR, Dentinger CE, Nguyen LN, Sun L, Zhang J, Allen AN, Chan S, Knudsen BS. Spectral analysis of multiplex Raman probe signatures. ACS NANO 2008; 2:2306-14. [PMID: 19206397 PMCID: PMC2662378 DOI: 10.1021/nn800243g] [Citation(s) in RCA: 69] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/22/2023]
Abstract
Raman nanoparticle probes are an emerging new class of optical labels for interrogation of physiological and pathological processes in bioassays, cells, and tissues. Although their unique emission signatures are ideal for multiplexing, the full potential of these probes has not been realized because conventional analysis methods are inadequate. We report a novel spectral fitting method that exploits the entire spectral signature to quantitatively extract individual probe signals from multiplex spectra. We evaluate the method in a series of multiplex assays using unconjugated and antibody-conjugated composite organic-inorganic nanoparticles (COINs). Results show sensitive multiplex detection of small signals (<2% of total signal) and similar detection limits in corresponding 4-plex and singlet plate binding assays. In a triplex assay on formalin-fixed human prostate tissue, two antibody-conjugated COINs and a conventional fluorophore are used to image expression of prostate-specific antigen, cytokeratin-18, and DNA. The spectral analysis method effectively removes tissue autofluorescence and other unknown background, allowing accurate and reproducible imaging (area under ROC curve 0.89 +/- 0.03) at subcellular spatial resolution. In all assay systems, the error attributable to spectral analysis constitutes <or=2% of total signal. The spectral fitting method provides (1) quantification of signals from multiplex spectra with overlapping peaks, (2) robust spot-by-spot removal of unknown background, (3) the opportunity to quantitatively assess the analysis error, (4) elimination of operator bias, and (5) simple automation appropriate for high-throughput analysis. The simple implementation and universal applicability of this approach significantly expands the potential of Raman probes for quantitative in vivo and ex vivo multiplex analysis.
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Affiliation(s)
- Barry R. Lutz
- Biomedical/Life Sciences, Digital Health Group, Intel Corporation, SC3-41 2200 Mission College Boulevard, Santa Clara, California 95054
| | - Claire E. Dentinger
- Biomedical/Life Sciences, Digital Health Group, Intel Corporation, SC3-41 2200 Mission College Boulevard, Santa Clara, California 95054
| | - Lienchi N. Nguyen
- Biomedical/Life Sciences, Digital Health Group, Intel Corporation, SC3-41 2200 Mission College Boulevard, Santa Clara, California 95054
| | - Lei Sun
- Biomedical/Life Sciences, Digital Health Group, Intel Corporation, SC3-41 2200 Mission College Boulevard, Santa Clara, California 95054
| | - Jingwu Zhang
- Biomedical/Life Sciences, Digital Health Group, Intel Corporation, SC3-41 2200 Mission College Boulevard, Santa Clara, California 95054
| | - April N. Allen
- Division of Public Health Sciences, Fred Hutchinson Cancer Research Center, M5-A864, 1212 Aloha Street, Seattle, Washington 98109
| | - Selena Chan
- Biomedical/Life Sciences, Digital Health Group, Intel Corporation, SC3-41 2200 Mission College Boulevard, Santa Clara, California 95054
- Corresponding authors: ,
| | - Beatrice S. Knudsen
- Division of Public Health Sciences, Fred Hutchinson Cancer Research Center, M5-A864, 1212 Aloha Street, Seattle, Washington 98109
- Corresponding authors: ,
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