1
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Nugroho D, Chanthai S, Oh WC, Benchawattananon R. Fluorophores -rich natural powder from selected medicinal plants for detection latent fingerprints and cyanide. Sci Prog 2023; 106:368504231156217. [PMID: 36890788 PMCID: PMC10450322 DOI: 10.1177/00368504231156217] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/10/2023]
Abstract
Forensic science is currently fast-growing for the development detection of the latent fingerprint. Currently, chemical dust quickly enters the body through touch or inhalation and will be affected by the user. In this research, a study on the comparison of natural powder from four species of medicinal plants (Zingiber montanum, Solanum Indicum L., Rhinacanthus nasutus, and Euphorbia tirucall) for the detection of latent fingerprints is carried out that has fewer adverse effects on the user's body by using such natural substances instead. In addition, the fluorescence properties of the dust have been found in some natural powder for sample detection and appear on multi-colored surfaces to show that the latent fingerprints are more pronounced than ordinary dust. In this study, medicinal plants have also been applied to detect cyanide, as it has been known that it is hazardous for humans and can be used as a poisonous compound to kill someone. The characteristics of each powder have also been analyzed using naked-eye detection under UV light, Fluorescence spectrophotometer, FIB-SEM, and FTIR. All the powder obtained can then be used for high potential detection of latent fingerprints on the non-porous surface with their specific characteristics and trace amounts of cyanide using turn-on-off fluorescent sensing method.
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Affiliation(s)
- David Nugroho
- Forensic Division, Department of Integrated Science, Faculty of Science, Khon Kaen University, Khon Kaen, Thailand
| | - Saksit Chanthai
- Materials Chemistry Research Center, Department of Chemistry and Center of Excellence for Innovation in Chemistry, Faculty of Science, Khon Kaen University, Khon Kaen, Thailand
| | - Won-Chun Oh
- Department of Advanced Materials Science and Engineering, Hanseo University, Seosan-si, South Korea
| | - Rachadaporn Benchawattananon
- Forensic Division, Department of Integrated Science, Faculty of Science, Khon Kaen University, Khon Kaen, Thailand
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2
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Grossutti M, D'Amico J, Quintal J, MacFarlane H, Quirk A, Dutcher JR. Deep Learning and Infrared Spectroscopy: Representation Learning with a β-Variational Autoencoder. J Phys Chem Lett 2022; 13:5787-5793. [PMID: 35726872 DOI: 10.1021/acs.jpclett.2c01328] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
Infrared (IR) spectra contain detailed and extensive information about the chemical composition and bonding environment in a sample. However, this information is difficult to extract from complex heterogeneous systems because of overlapping absorptions due to different generative factors. We implement a deep learning approach to study the complex spectroscopic changes that occur in cross-linked polyethylene (PEX-a) pipe by training a β-variational autoencoder (β-VAE) on a database of PEX-a pipe spectra. We show that the β-VAE outperforms principal component analysis (PCA) and learns interpretable and independent representations of the generative factors of variance in the spectra. We apply the β-VAE encoder to a hyperspectrum of a crack in the wall of a pipe to evaluate the spatial distribution of these learned representations. This study shows how deep learning architectures like β-VAE can enhance the analysis of spectroscopic data of complex heterogeneous systems.
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Affiliation(s)
- Michael Grossutti
- Department of Physics, University of Guelph, Guelph, ON, Canada N1G 2W1
| | - Joseph D'Amico
- Department of Physics, University of Guelph, Guelph, ON, Canada N1G 2W1
| | - Jonathan Quintal
- Department of Physics, University of Guelph, Guelph, ON, Canada N1G 2W1
| | - Hugh MacFarlane
- Department of Physics, University of Guelph, Guelph, ON, Canada N1G 2W1
| | - Amanda Quirk
- Canadian Light Source Inc., 44 Innovation Blvd, Saskatoon, SK, Canada S7N 2 V3
| | - John R Dutcher
- Department of Physics, University of Guelph, Guelph, ON, Canada N1G 2W1
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3
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Grossutti M, Hiles M, D'Amico J, Wareham WC, Morling B, Graham S, Dutcher JR. Quantifying Stabilizing Additive Hydrolysis and Kinetics Through Principal Component Analysis of Infrared Spectra of Cross-Linked Polyethylene Pipe. Polym Degrad Stab 2022. [DOI: 10.1016/j.polymdegradstab.2022.109963] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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4
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Kansiz M, Dowling LM, Yousef I, Guaitella O, Borondics F, Sulé-Suso J. Optical Photothermal Infrared Microspectroscopy Discriminates for the First Time Different Types of Lung Cells on Histopathology Glass Slides. Anal Chem 2021; 93:11081-11088. [PMID: 34355885 DOI: 10.1021/acs.analchem.1c00309] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
The debate of whether a glass substrate can be used in Fourier transform infrared spectroscopy is strongly linked to its potential clinical application. Histopathology glass slides of 1 mm thickness absorb the mid-IR spectrum in the rich fingerprint spectral region. Thus, it is important to assess whether emerging IR techniques can be employed to study biological samples placed on glass substrates. For this purpose, we used optical photothermal infrared (O-PTIR) spectroscopy to study for the first time malignant and non-malignant lung cells with the purpose of identifying IR spectral differences between these cells placed on standard pathology glass slides. The data in this feasibility study showed that O-PTIR can be used to obtain good-quality IR spectra from cells from both the lipid region (3000-2700 cm-1) and the fingerprint region between 1770 and 950 cm-1 but with glass contributions from 1350 to 950 cm-1. A new single-unit dual-range (C-H/FP) quantum cascade laser (QCL) IR pump source was applied for the first time, delivering a clear synergistic benefit to the classification results. Furthermore, O-PTIR is able to distinguish between lung cancer cells and non-malignant lung cells both in the lipid and fingerprint regions. However, when these two spectral ranges are combined, classification accuracies are enhanced with Random Forest modeling classification accuracy results ranging from 96 to 99% across all three studied cell lines. The methodology described here for the first time with a single-unit dual-range QCL for O-PTIR on glass is another step toward its clinical application in pathology.
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Affiliation(s)
- Mustafa Kansiz
- Photothermal Spectroscopy Corp., 325 Chapala Street, Santa Barbara, California 93101, United States
| | - Lewis M Dowling
- School of Pharmacy and Bioengineering, Guy Hilton Research Centre, Keele University, Stoke-on-Trent ST4 7QB, U.K
| | - Ibraheem Yousef
- ALBA Synchrotron Light Source, Cerdanyola del Vallès, Barcelona 08290, Catalonia
| | - Olivier Guaitella
- Laboratoire de Physique des Plasmas, École Polytechnique-CNRS-Université Paris-Sud-Sorbonne Université, 91128 Palaiseau, France
| | - Ferenc Borondics
- Synchrotron SOLEIL, L'Orme des Merisiers, Saint-Aubin, BP 48, 91192 Gif-sur-Yvette Cedex, France
| | - Josep Sulé-Suso
- School of Pharmacy and Bioengineering, Guy Hilton Research Centre, Keele University, Stoke-on-Trent ST4 7QB, U.K.,Oncology Department, Cancer Centre, Royal Stoke University Hospital, University Hospitals of North Midlands, Stoke-on-Trent ST4 6QG, U.K
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5
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Sanchez-Cano C, Alvarez-Puebla RA, Abendroth JM, Beck T, Blick R, Cao Y, Caruso F, Chakraborty I, Chapman HN, Chen C, Cohen BE, Conceição ALC, Cormode DP, Cui D, Dawson KA, Falkenberg G, Fan C, Feliu N, Gao M, Gargioni E, Glüer CC, Grüner F, Hassan M, Hu Y, Huang Y, Huber S, Huse N, Kang Y, Khademhosseini A, Keller TF, Körnig C, Kotov NA, Koziej D, Liang XJ, Liu B, Liu S, Liu Y, Liu Z, Liz-Marzán LM, Ma X, Machicote A, Maison W, Mancuso AP, Megahed S, Nickel B, Otto F, Palencia C, Pascarelli S, Pearson A, Peñate-Medina O, Qi B, Rädler J, Richardson JJ, Rosenhahn A, Rothkamm K, Rübhausen M, Sanyal MK, Schaak RE, Schlemmer HP, Schmidt M, Schmutzler O, Schotten T, Schulz F, Sood AK, Spiers KM, Staufer T, Stemer DM, Stierle A, Sun X, Tsakanova G, Weiss PS, Weller H, Westermeier F, Xu M, Yan H, Zeng Y, Zhao Y, Zhao Y, Zhu D, Zhu Y, Parak WJ. X-ray-Based Techniques to Study the Nano-Bio Interface. ACS NANO 2021; 15:3754-3807. [PMID: 33650433 PMCID: PMC7992135 DOI: 10.1021/acsnano.0c09563] [Citation(s) in RCA: 38] [Impact Index Per Article: 12.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/13/2020] [Accepted: 01/25/2021] [Indexed: 05/03/2023]
Abstract
X-ray-based analytics are routinely applied in many fields, including physics, chemistry, materials science, and engineering. The full potential of such techniques in the life sciences and medicine, however, has not yet been fully exploited. We highlight current and upcoming advances in this direction. We describe different X-ray-based methodologies (including those performed at synchrotron light sources and X-ray free-electron lasers) and their potentials for application to investigate the nano-bio interface. The discussion is predominantly guided by asking how such methods could better help to understand and to improve nanoparticle-based drug delivery, though the concepts also apply to nano-bio interactions in general. We discuss current limitations and how they might be overcome, particularly for future use in vivo.
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Affiliation(s)
- Carlos Sanchez-Cano
- Center
for Cooperative Research in Biomaterials (CIC biomaGUNE), Basque Research and Technology Alliance (BRTA), Paseo de Miramon 182, 20014 Donostia San Sebastián, Spain
| | - Ramon A. Alvarez-Puebla
- Universitat
Rovira i Virgili, 43007 Tarragona, Spain
- ICREA, Passeig Lluís
Companys 23, 08010 Barcelona, Spain
| | - John M. Abendroth
- Department
of Materials Science and Engineering, Stanford
University, Stanford, California 94305, United States
| | - Tobias Beck
- Mathematics,
Informatics, and Natural Sciences (MIN) Faculty, University of Hamburg, 20354 Hamburg, Germany
| | - Robert Blick
- Mathematics,
Informatics, and Natural Sciences (MIN) Faculty, University of Hamburg, 20354 Hamburg, Germany
| | - Yuan Cao
- Department
of Chemical Engineering, University of Michigan, Ann Arbor, Michigan 48109, United States
- Biointerfaces
Institute, University of Michigan, Ann Arbor, Michigan 48109, United States
| | - Frank Caruso
- ARC
Centre of Excellence in Convergent Bio-Nano Science and Technology
and the Department of Chemical Engineering, The University of Melbourne, Parkville, Victoria 3010, Australia
| | - Indranath Chakraborty
- Mathematics,
Informatics, and Natural Sciences (MIN) Faculty, University of Hamburg, 20354 Hamburg, Germany
| | - Henry N. Chapman
- Mathematics,
Informatics, and Natural Sciences (MIN) Faculty, University of Hamburg, 20354 Hamburg, Germany
- Centre
for Ultrafast Imaging, Universität
Hamburg, 22761 Hamburg, Germany
- Deutsches
Elektronen-Synchrotron DESY, Notkestraße 85, 22607 Hamburg, Germany
| | - Chunying Chen
- National
Center for Nanoscience and Technology (NCNST), 100190 Beijing China
| | - Bruce E. Cohen
- The
Molecular Foundry and Division of Molecular Biophysics and Integrated
Bioimaging, Lawrence Berkeley National Laboratory, Berkeley, California 94720, United States
| | | | - David P. Cormode
- Radiology
Department, University of Pennsylvania, Philadelphia, Pennsylvania 19104, United States
| | - Daxiang Cui
- School
of Chemistry and Chemical Engineering, Frontiers Science Center for
Transformative Molecules and National Center for Translational Medicine, Shanghai Jiao Tong University, Shanghai 200240, China
| | | | - Gerald Falkenberg
- Deutsches
Elektronen-Synchrotron DESY, Notkestraße 85, 22607 Hamburg, Germany
| | - Chunhai Fan
- School
of Chemistry and Chemical Engineering, Frontiers Science Center for
Transformative Molecules and National Center for Translational Medicine, Shanghai Jiao Tong University, Shanghai 200240, China
| | - Neus Feliu
- Mathematics,
Informatics, and Natural Sciences (MIN) Faculty, University of Hamburg, 20354 Hamburg, Germany
- CAN, Fraunhofer Institut, 20146 Hamburg, Germany
| | - Mingyuan Gao
- Department
of Radiotherapy and Radiation Oncology, University Medical Center Hamburg-Eppendorf, 20246 Hamburg, Germany
| | - Elisabetta Gargioni
- Department
of Radiotherapy and Radiation Oncology, University Medical Center Hamburg-Eppendorf, 20246 Hamburg, Germany
| | - Claus-C. Glüer
- Section
Biomedical Imaging, Department of Radiology and Neuroradiology, University Medical Clinic Schleswig-Holstein and Christian-Albrechts-University
Kiel, 24105 Kiel, Germany
| | - Florian Grüner
- Mathematics,
Informatics, and Natural Sciences (MIN) Faculty, University of Hamburg, 20354 Hamburg, Germany
- Universität
Hamburg and Center for Free-Electron Laser Science, Luruper Chaussee 149, 22761 Hamburg, Germany
| | - Moustapha Hassan
- Karolinska University Hospital, Huddinge, and Karolinska
Institutet, 17177 Stockholm, Sweden
| | - Yong Hu
- College of Engineering and Applied Sciences, Nanjing University, Nanjing 210093, China
| | - Yalan Huang
- Mathematics,
Informatics, and Natural Sciences (MIN) Faculty, University of Hamburg, 20354 Hamburg, Germany
| | - Samuel Huber
- Department
of Radiotherapy and Radiation Oncology, University Medical Center Hamburg-Eppendorf, 20246 Hamburg, Germany
| | - Nils Huse
- Mathematics,
Informatics, and Natural Sciences (MIN) Faculty, University of Hamburg, 20354 Hamburg, Germany
| | - Yanan Kang
- Mathematics,
Informatics, and Natural Sciences (MIN) Faculty, University of Hamburg, 20354 Hamburg, Germany
| | - Ali Khademhosseini
- Terasaki Institute for Biomedical Innovation, Los Angeles, California 90049, United States
| | - Thomas F. Keller
- Mathematics,
Informatics, and Natural Sciences (MIN) Faculty, University of Hamburg, 20354 Hamburg, Germany
- Deutsches
Elektronen-Synchrotron DESY, Notkestraße 85, 22607 Hamburg, Germany
| | - Christian Körnig
- Mathematics,
Informatics, and Natural Sciences (MIN) Faculty, University of Hamburg, 20354 Hamburg, Germany
- Universität
Hamburg and Center for Free-Electron Laser Science, Luruper Chaussee 149, 22761 Hamburg, Germany
| | - Nicholas A. Kotov
- Department
of Chemical Engineering, University of Michigan, Ann Arbor, Michigan 48109, United States
- Biointerfaces
Institute, University of Michigan, Ann Arbor, Michigan 48109, United States
- Department of Materials Science and Engineering, University of Michigan, Ann Arbor, Michigan 48109, United States
- Michigan
Institute for Translational Nanotechnology (MITRAN), Ypsilanti, Michigan 48198, United States
| | - Dorota Koziej
- Mathematics,
Informatics, and Natural Sciences (MIN) Faculty, University of Hamburg, 20354 Hamburg, Germany
| | - Xing-Jie Liang
- National
Center for Nanoscience and Technology (NCNST), 100190 Beijing China
| | - Beibei Liu
- Department
of Radiotherapy and Radiation Oncology, University Medical Center Hamburg-Eppendorf, 20246 Hamburg, Germany
| | - Sijin Liu
- State Key Laboratory of Environmental Chemistry and Ecotoxicology,
Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085 China
| | - Yang Liu
- Mathematics,
Informatics, and Natural Sciences (MIN) Faculty, University of Hamburg, 20354 Hamburg, Germany
| | - Ziyao Liu
- Mathematics,
Informatics, and Natural Sciences (MIN) Faculty, University of Hamburg, 20354 Hamburg, Germany
| | - Luis M. Liz-Marzán
- Center
for Cooperative Research in Biomaterials (CIC biomaGUNE), Basque Research and Technology Alliance (BRTA), Paseo de Miramon 182, 20014 Donostia San Sebastián, Spain
- Ikerbasque, Basque Foundation for Science, 48013 Bilbao, Spain
- Centro de Investigación Biomédica
en Red de Bioingeniería,
Biomateriales y Nanomedicina (CIBER-BBN), Paseo de Miramon 182, 20014 Donostia-San Sebastián, Spain
| | - Xiaowei Ma
- National
Center for Nanoscience and Technology (NCNST), 100190 Beijing China
| | - Andres Machicote
- Department
of Radiotherapy and Radiation Oncology, University Medical Center Hamburg-Eppendorf, 20246 Hamburg, Germany
| | - Wolfgang Maison
- Mathematics,
Informatics, and Natural Sciences (MIN) Faculty, University of Hamburg, 20354 Hamburg, Germany
| | - Adrian P. Mancuso
- European XFEL, 22869 Schenefeld, Germany
- Department of Chemistry and Physics, La
Trobe Institute for Molecular
Science, La Trobe University, Melbourne 3086, Victoria, Australia
| | - Saad Megahed
- Mathematics,
Informatics, and Natural Sciences (MIN) Faculty, University of Hamburg, 20354 Hamburg, Germany
| | - Bert Nickel
- Sektion Physik, Ludwig Maximilians Universität
München, 80539 München, Germany
| | - Ferdinand Otto
- Mathematics,
Informatics, and Natural Sciences (MIN) Faculty, University of Hamburg, 20354 Hamburg, Germany
| | - Cristina Palencia
- Mathematics,
Informatics, and Natural Sciences (MIN) Faculty, University of Hamburg, 20354 Hamburg, Germany
| | | | - Arwen Pearson
- Mathematics,
Informatics, and Natural Sciences (MIN) Faculty, University of Hamburg, 20354 Hamburg, Germany
| | - Oula Peñate-Medina
- Section
Biomedical Imaging, Department of Radiology and Neuroradiology, University Medical Clinic Schleswig-Holstein and Christian-Albrechts-University
Kiel, 24105 Kiel, Germany
| | - Bing Qi
- Mathematics,
Informatics, and Natural Sciences (MIN) Faculty, University of Hamburg, 20354 Hamburg, Germany
| | - Joachim Rädler
- Sektion Physik, Ludwig Maximilians Universität
München, 80539 München, Germany
| | - Joseph J. Richardson
- ARC
Centre of Excellence in Convergent Bio-Nano Science and Technology
and the Department of Chemical Engineering, The University of Melbourne, Parkville, Victoria 3010, Australia
| | - Axel Rosenhahn
- Department
of Radiotherapy and Radiation Oncology, University Medical Center Hamburg-Eppendorf, 20246 Hamburg, Germany
| | - Kai Rothkamm
- Department
of Radiotherapy and Radiation Oncology, University Medical Center Hamburg-Eppendorf, 20246 Hamburg, Germany
| | - Michael Rübhausen
- Mathematics,
Informatics, and Natural Sciences (MIN) Faculty, University of Hamburg, 20354 Hamburg, Germany
| | | | - Raymond E. Schaak
- Department of Chemistry, Department of Chemical Engineering,
and
Materials Research Institute, The Pennsylvania
State University, University Park, Pensylvania 16802, United States
| | - Heinz-Peter Schlemmer
- Department of Radiology, German Cancer
Research Center (DKFZ), 69120 Heidelberg, Germany
| | - Marius Schmidt
- Department of Physics, University
of Wisconsin-Milwaukee, 3135 N. Maryland Avenue, Milwaukee, Wisconsin 53211, United States
| | - Oliver Schmutzler
- Mathematics,
Informatics, and Natural Sciences (MIN) Faculty, University of Hamburg, 20354 Hamburg, Germany
- Universität
Hamburg and Center for Free-Electron Laser Science, Luruper Chaussee 149, 22761 Hamburg, Germany
| | | | - Florian Schulz
- Mathematics,
Informatics, and Natural Sciences (MIN) Faculty, University of Hamburg, 20354 Hamburg, Germany
| | - A. K. Sood
- Department of Physics, Indian Institute
of Science, Bangalore 560012, India
| | - Kathryn M. Spiers
- Deutsches
Elektronen-Synchrotron DESY, Notkestraße 85, 22607 Hamburg, Germany
| | - Theresa Staufer
- Mathematics,
Informatics, and Natural Sciences (MIN) Faculty, University of Hamburg, 20354 Hamburg, Germany
- Universität
Hamburg and Center for Free-Electron Laser Science, Luruper Chaussee 149, 22761 Hamburg, Germany
| | - Dominik M. Stemer
- California NanoSystems Institute, University
of California, Los Angeles, Los Angeles, California 90095, United States
- Department of Materials Science and Engineering, University of California, Los Angeles, Los Angeles, California 90095, United States
| | - Andreas Stierle
- Mathematics,
Informatics, and Natural Sciences (MIN) Faculty, University of Hamburg, 20354 Hamburg, Germany
- Deutsches
Elektronen-Synchrotron DESY, Notkestraße 85, 22607 Hamburg, Germany
| | - Xing Sun
- Mathematics,
Informatics, and Natural Sciences (MIN) Faculty, University of Hamburg, 20354 Hamburg, Germany
- Molecular Science and Biomedicine Laboratory (MBL) State
Key Laboratory of Chemo/Biosensing and Chemometrics College of Chemistry
and Chemical Engineering, Hunan University, Changsha 410082, P.R. China
| | - Gohar Tsakanova
- Institute of Molecular Biology of National
Academy of Sciences of
Republic of Armenia, 7 Hasratyan str., 0014 Yerevan, Armenia
- CANDLE Synchrotron Research Institute, 31 Acharyan str., 0040 Yerevan, Armenia
| | - Paul S. Weiss
- California NanoSystems Institute, University
of California, Los Angeles, Los Angeles, California 90095, United States
- Department of Materials Science and Engineering, University of California, Los Angeles, Los Angeles, California 90095, United States
- Department
of Chemistry and Biochemistry, University
of California, Los Angeles, Los Angeles, California 90095, United States
- Department of Bioengineering, University
of California, Los Angeles, Los Angeles, California 90095, United States
| | - Horst Weller
- Mathematics,
Informatics, and Natural Sciences (MIN) Faculty, University of Hamburg, 20354 Hamburg, Germany
- CAN, Fraunhofer Institut, 20146 Hamburg, Germany
| | - Fabian Westermeier
- Deutsches
Elektronen-Synchrotron DESY, Notkestraße 85, 22607 Hamburg, Germany
| | - Ming Xu
- State Key Laboratory of Environmental Chemistry and Ecotoxicology,
Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085 China
| | - Huijie Yan
- Mathematics,
Informatics, and Natural Sciences (MIN) Faculty, University of Hamburg, 20354 Hamburg, Germany
| | - Yuan Zeng
- Mathematics,
Informatics, and Natural Sciences (MIN) Faculty, University of Hamburg, 20354 Hamburg, Germany
| | - Ying Zhao
- Karolinska University Hospital, Huddinge, and Karolinska
Institutet, 17177 Stockholm, Sweden
| | - Yuliang Zhao
- National
Center for Nanoscience and Technology (NCNST), 100190 Beijing China
| | - Dingcheng Zhu
- Mathematics,
Informatics, and Natural Sciences (MIN) Faculty, University of Hamburg, 20354 Hamburg, Germany
| | - Ying Zhu
- Bioimaging Center, Shanghai Synchrotron Radiation Facility,
Zhangjiang Laboratory, Shanghai Advanced Research Institute, Chinese Academy of Sciences, Shanghai 201210, China
- Division of Physical Biology, CAS Key Laboratory
of Interfacial
Physics and Technology, Shanghai Institute of Applied Physics, Chinese Academy of Sciences, Shanghai 201800, China
| | - Wolfgang J. Parak
- Center
for Cooperative Research in Biomaterials (CIC biomaGUNE), Basque Research and Technology Alliance (BRTA), Paseo de Miramon 182, 20014 Donostia San Sebastián, Spain
- Mathematics,
Informatics, and Natural Sciences (MIN) Faculty, University of Hamburg, 20354 Hamburg, Germany
- School
of Chemistry and Chemical Engineering, Frontiers Science Center for
Transformative Molecules and National Center for Translational Medicine, Shanghai Jiao Tong University, Shanghai 200240, China
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6
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Suryadevara V, Nazeer SS, Sreedhar H, Adelaja O, Kajdacsy-Balla A, Natarajan V, Walsh MJ. Infrared spectral microscopy as a tool to monitor lung fibrosis development in a model system. BIOMEDICAL OPTICS EXPRESS 2020; 11:3996-4007. [PMID: 33014581 PMCID: PMC7510888 DOI: 10.1364/boe.394730] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/09/2020] [Revised: 06/17/2020] [Accepted: 06/18/2020] [Indexed: 06/11/2023]
Abstract
Tissue fibrosis is a progressive and destructive disease process that can occur in many different organs including the liver, kidney, skin, and lungs. Fibrosis is typically initiated by inflammation as a result of chronic insults such as infection, chemicals and autoimmune diseases. Current approaches to examine organ fibrosis are limited to radiological and histological analyses. Infrared spectroscopic imaging offers a potential alternative approach to gain insight into biochemical changes associated with fibrosis progression. In this study, we demonstrate that IR imaging of a mouse model of pulmonary fibrosis can identify biochemical changes observed with fibrosis progression and the beginning of resolution using K-means analysis, spectral ratios and multivariate data analysis. This study demonstrates that IR imaging may be a useful approach to understand the biochemical events associated with fibrosis initiation, progression and resolution for both the clinical setting and for assessing novel anti-fibrotic drugs in a model system.
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Affiliation(s)
- Vidyani Suryadevara
- Department of Bioengineering, University of Illinois at Chicago, Chicago, IL 60607, USA
| | - Shaiju S. Nazeer
- Department of Pathology, University of Illinois at Chicago, Chicago, IL 60612, USA
| | - Hari Sreedhar
- Department of Pathology, University of Illinois at Chicago, Chicago, IL 60612, USA
| | - Oluwatobi Adelaja
- Department of Pathology, University of Illinois at Chicago, Chicago, IL 60612, USA
| | - André Kajdacsy-Balla
- Department of Pathology, University of Illinois at Chicago, Chicago, IL 60612, USA
| | - Viswanathan Natarajan
- Department of Pharmacology, University of Illinois at Chicago, Chicago, IL 60612, USA
- Contributed equally as senior co-authors
| | - Michael J. Walsh
- Department of Bioengineering, University of Illinois at Chicago, Chicago, IL 60607, USA
- Department of Pathology, University of Illinois at Chicago, Chicago, IL 60612, USA
- Contributed equally as senior co-authors
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7
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Effects of Cannabis Use on the Protein and Lipid Profile of Olfactory Neuroepithelium Cells from Schizophrenia Patients Studied by Synchrotron-Based FTIR Spectroscopy. Biomolecules 2020; 10:biom10020329. [PMID: 32092878 PMCID: PMC7072126 DOI: 10.3390/biom10020329] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2020] [Revised: 02/12/2020] [Accepted: 02/15/2020] [Indexed: 12/14/2022] Open
Abstract
Schizophrenia (SCZ) is a neurodevelopmental disorder with a high genetic component, but the presence of environmental stressors can be important for its onset and progression. Cannabis use can be a major risk factor for developing SCZ. However, despite the available data on the neurobiological underpinnings of SCZ, there is an important lack of studies in human neuronal tissue and living cells addressing the effects of cannabis in SCZ patients. In this study, we analysed the most relevant bio-macromolecular constituents in olfactory neuroepithelium (ON) cells of healthy controls non-cannabis users, healthy cannabis users, SCZ patients non-cannabis users, and SCZ patients cannabis users using Synchrotron Radiation-Fourier Transform Infrared (SR-FTIR) spectrometry and microscopy. Our results revealed that SCZ patients non-cannabis users, and healthy cannabis users exhibit similar alterations in the macromolecular profile of ON cells, including disruption in lipid composition, increased lipid membrane renewal rate and lipid peroxidation, altered proteins containing more β-sheet structures, and showed an increase in DNA and histone methylation. Notably, these alterations were not observed in SCZ patients who use cannabis regularly. These data suggest a differential effect of cannabis in healthy controls and in SCZ patients in terms of the macromolecular constituents of ON cells.
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8
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Fathy A, Sabry YM, Nazeer S, Bourouina T, Khalil DA. On-chip parallel Fourier transform spectrometer for broadband selective infrared spectral sensing. MICROSYSTEMS & NANOENGINEERING 2020; 6:10. [PMID: 34567625 PMCID: PMC8433235 DOI: 10.1038/s41378-019-0111-0] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/15/2019] [Revised: 09/25/2019] [Accepted: 10/01/2019] [Indexed: 05/25/2023]
Abstract
Optical spectrometers enable contactless chemical analysis. However, decreasing both their size and cost appears to be a prerequisite to their widespread deployment. Chip-scale implementation of optical spectrometers still requires tackling two main challenges. First, operation over a broad spectral range extending to the infrared is required to enable covering the molecular absorption spectrum of a broad variety of materials. This is addressed in our work with an Micro-Electro Mechanical Systems (MEMS)-based Fourier transform infrared spectrometer with an embedded movable micro-mirror on a silicon chip. Second, fine spectral resolution Δλ is also required to facilitate screening over several chemicals. A fundamental limit states that Δλ is inversely proportional to the mirror motion range, which cannot exceed the chip size. To boost the spectral resolution beyond this limit, we propose the concept of parallel (or multi-core) FTIR, where multiple interferometers provide complementary optical paths using the same actuator and within the same chip. The concept scalability is validated with 4 interferometers, leading to approximately 3 times better spectral resolution. After the atmospheric contents of a greenhouse gas are monitored, the methane absorption bands are successfully measured and discriminated using the presented device.
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Affiliation(s)
- Alaa Fathy
- Faculty of Engineering, Ain-Shams University, 1 Elsarayat St. Abbassia, Cairo, Egypt
- Si-Ware Systems, 3 Khalid Ibn Al-Waleed St., Heliopolis, Cairo, Egypt
- Université Paris-Est, ESYCOM EA 2552, ESIEE Paris, 93162 Noisy-le-Grand, France
| | - Yasser M. Sabry
- Faculty of Engineering, Ain-Shams University, 1 Elsarayat St. Abbassia, Cairo, Egypt
- Si-Ware Systems, 3 Khalid Ibn Al-Waleed St., Heliopolis, Cairo, Egypt
| | - Sébastien Nazeer
- Si-Ware Systems, 3 Khalid Ibn Al-Waleed St., Heliopolis, Cairo, Egypt
| | - Tarik Bourouina
- Si-Ware Systems, 3 Khalid Ibn Al-Waleed St., Heliopolis, Cairo, Egypt
- Université Paris-Est, ESYCOM EA 2552, ESIEE Paris, 93162 Noisy-le-Grand, France
| | - Diaa A. Khalil
- Faculty of Engineering, Ain-Shams University, 1 Elsarayat St. Abbassia, Cairo, Egypt
- Si-Ware Systems, 3 Khalid Ibn Al-Waleed St., Heliopolis, Cairo, Egypt
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9
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Abstract
Fourier transform-infrared spectroscopy (FT-IR) represents an attractive molecular diagnostic modality for translation to the clinic, where comprehensive chemical profiling of biological samples may revolutionize a myriad of pathways in clinical settings. Principally, FT-IR provides a rapid, cost-effective platform to obtain a molecular fingerprint of clinical samples based on vibrational transitions of chemical bonds upon interaction with infrared light. To date, considerable research activities have demonstrated competitive to superior performance of FT-IR strategies in comparison to conventional techniques, with particular promise for earlier, accessible disease diagnostics, thereby improving patient outcomes. However, amidst the changing healthcare landscape in times of aging populations and increased prevalence of cancer and chronic disease, routine adoption of FT-IR within clinical laboratories has remained elusive. Hence, this perspective shall outline the significant clinical potential of FT-IR diagnostics and subsequently address current barriers to translation from the perspective of all stakeholders, in the context of biofluid, histopathology, cytology, microbiology, and biomarker discovery frameworks. Thereafter, future perspectives of FT-IR for healthcare will be discussed, with consideration of recent technological advances that may facilitate future clinical translation.
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Affiliation(s)
- Duncan Finlayson
- Centre for Doctoral Training in Medical Devices and Health Technologies, Department of Biomedical Engineering , University of Strathclyde , Wolfson Centre, 106 Rottenrow , Glasgow G4 0NW , U.K.,WestCHEM , Department of Pure and Applied Chemistry , Technology and Innovation Centre, 99 George Street , Glasgow G1 1RD , U.K
| | - Christopher Rinaldi
- Centre for Doctoral Training in Medical Devices and Health Technologies, Department of Biomedical Engineering , University of Strathclyde , Wolfson Centre, 106 Rottenrow , Glasgow G4 0NW , U.K.,WestCHEM , Department of Pure and Applied Chemistry , Technology and Innovation Centre, 99 George Street , Glasgow G1 1RD , U.K
| | - Matthew J Baker
- WestCHEM , Department of Pure and Applied Chemistry , Technology and Innovation Centre, 99 George Street , Glasgow G1 1RD , U.K.,ClinSpec Diagnostics Ltd. , Technology and Innovation Centre, 99 George Street , Glasgow G11RD , U.K
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10
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Syu WJ, Huang CC, Hsiao JK, Lee YC, Huang YT, Venkatesan P, Lai PS. Co-precipitation Synthesis of Near-infrared Iron Oxide Nanocrystals on Magnetically Targeted Imaging and Photothermal Cancer Therapy via Photoablative Protein Denature. Nanotheranostics 2019; 3:236-254. [PMID: 31263656 PMCID: PMC6584136 DOI: 10.7150/ntno.24124] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2018] [Accepted: 03/21/2019] [Indexed: 01/06/2023] Open
Abstract
Near-infrared (NIR)-based nanomaterials that provide efficient tumor ablation for cancer therapy have been reported. However, the issues of biocompatibility of metals or ions in inorganic nanoparticles systems such as copper and gold nanoparticles are still a matter of concern. In this study, we developed a facile and ligand-assisted co-precipitation method to synthesize biocompatible iron oxide (IO) nanocrystals with NIR absorption that provided T2-weighted magnetic resonance (MR) images and photothermal ablation characteristics suitable for cancer theranostics. Our results showed that 150-nm particles can be synthesized and optimized by using different amounts of ligand. NIR-IO nanocrystals of this size showed high photothermal conversion efficiency (21.2%) and T2-weighted MR contrast (transverse relaxivity value approximately 141 S-1 mM-1). The NIR-IO nanocrystals showed no cytotoxicity in HT-29 colorectal cancer cells without irradiation, whereas the viability of cells that received NIR-IO nanocrystals decreased significantly after 808-nm laser irradiation. The mechanism of cell death may involve alterations in protein secondary structure and membrane permeability. For in vivo studies, 4-fold enhanced tumor accumulation was significantly observed of NIR-IO nanocrystals with a magnetic field (MF) application, resulting in a 3-fold higher T2-weighted MR signal than that produced by a commercial T2-weighted MR contrast agent (Resovist®) and excellent photothermal efficacy (approximately 53 °C) for cancer treatment. The innovative NIR-IO nanocrystals showed excellent biocompatibility and have great potential as a theranostic agent against cancer.
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Affiliation(s)
- Wei-Jhe Syu
- Department of Chemistry, National Chung Hsing University, Taichung City 402, Taiwan
| | - Chih-Chia Huang
- Department of Photonics, National Cheng Kung University, Tainan City 701, Taiwan
| | - Jong-Kai Hsiao
- Department of Medical Imaging, Buddhist Tzu Chi General Hospital, Taipei Branch, New Taipei City 231, Taiwan
| | - Yao-Chang Lee
- National Synchrotron Radiation Research Center, Hsinchu Science Park, Hsinchu 30076, Taiwan
| | | | - Parthiban Venkatesan
- Department of Chemistry, National Chung Hsing University, Taichung City 402, Taiwan
| | - Ping-Shan Lai
- Department of Chemistry, National Chung Hsing University, Taichung City 402, Taiwan
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11
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Baker MJ, Byrne HJ, Chalmers J, Gardner P, Goodacre R, Henderson A, Kazarian SG, Martin FL, Moger J, Stone N, Sulé-Suso J. Clinical applications of infrared and Raman spectroscopy: state of play and future challenges. Analyst 2018; 143:1735-1757. [DOI: 10.1039/c7an01871a] [Citation(s) in RCA: 128] [Impact Index Per Article: 21.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Abstract
This review examines the state-of-the-art of clinical applications of infrared absorption and Raman spectroscopy, outstanding challenges, and progress towards translation.
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Affiliation(s)
- Matthew J. Baker
- WestCHEM
- Technology and Innovation Centre
- Department of Pure and Applied Chemistry
- University of Strathclyde
- Glasgow G1 1RD
| | - Hugh J. Byrne
- FOCAS Research Institute
- Dublin Institute of Technology
- Dublin 8
- Ireland
| | | | - Peter Gardner
- Manchester Institute of Biotechnology (MIB)
- University of Manchester
- Manchester
- UK
| | - Royston Goodacre
- Manchester Institute of Biotechnology (MIB)
- University of Manchester
- Manchester
- UK
| | - Alex Henderson
- Manchester Institute of Biotechnology (MIB)
- University of Manchester
- Manchester
- UK
| | - Sergei G. Kazarian
- Department of Chemical Engineering
- Imperial College London
- South Kensington Campus
- London
- UK
| | - Francis L. Martin
- School of Pharmacy and Biomedical Sciences
- University of Central Lancashire
- Preston PR1 2HE
- UK
| | - Julian Moger
- Biomedical Physics
- School of Physics and Astronomy
- University of Exeter
- Exeter EX4 4QL
- UK
| | - Nick Stone
- Biomedical Physics
- School of Physics and Astronomy
- University of Exeter
- Exeter EX4 4QL
- UK
| | - Josep Sulé-Suso
- Institute for Science and Technology in Medicine
- Keele University
- Guy Hilton Research Centre
- Stoke on Trent ST4 7QB
- UK
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12
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Rutter AV, Crees J, Wright H, van Pittius DG, Yousef I, Sulé-Suso J. Fourier transform infrared spectra of cells on glass coverslips. A further step in spectral pathology. Analyst 2018; 143:5711-5717. [DOI: 10.1039/c8an01634h] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
FTIR spectra of cells on glass coverslips allows the study of the Amide I region.
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Affiliation(s)
- A. V. Rutter
- Keele University
- Guy Hilton Research Centre
- Stoke on Trent ST4 7QB
- UK
| | - J. Crees
- Histopathology Department
- Royal Stoke University Hospital
- University Hospitals of North Midlands (UHNM)
- Staffordshire ST4 6QG
- UK
| | - H. Wright
- Research and Development Department
- Royal Stoke University Hospital
- University Hospitals of North Midlands
- Staffordshire ST4 6QG
- UK
| | - D. G. van Pittius
- Histopathology Department
- Royal Stoke University Hospital
- University Hospitals of North Midlands (UHNM)
- Staffordshire ST4 6QG
- UK
| | | | - J. Sulé-Suso
- Keele University
- Guy Hilton Research Centre
- Stoke on Trent ST4 7QB
- UK
- Oncology Department
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13
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Gavgiotaki E, Filippidis G, Markomanolaki H, Kenanakis G, Agelaki S, Georgoulias V, Athanassakis I. Distinction between breast cancer cell subtypes using third harmonic generation microscopy. JOURNAL OF BIOPHOTONICS 2017; 10:1152-1162. [PMID: 27753229 DOI: 10.1002/jbio.201600173] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/08/2016] [Revised: 09/10/2016] [Accepted: 09/30/2016] [Indexed: 06/06/2023]
Abstract
Third Harmonic Generation (THG) microscopy as a non-invasive, label free imaging methodology, allows linkage of lipid profiles with various breast cancer cells. The collected THG signal arise mostly from the lipid droplets and the membrane lipid bilayer. Quantification of THG signal can accurately distinguish HER2-positive cells. Further analysis using Fourier transform infrared (FTIR) spectra reveals cancer-specific profiles, correlating lipid raft-corresponding spectra to THG signal, associating thus THG to chemical information. THG imaging of a cancer cell.
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Affiliation(s)
- Evangelia Gavgiotaki
- Institute of Electronic Structure and Laser, Foundation for Research and Technology, Heraklion, 71110, Crete, Greece
- Medical School, University of Crete, Heraklion, 71003, Crete, Greece
| | - George Filippidis
- Institute of Electronic Structure and Laser, Foundation for Research and Technology, Heraklion, 71110, Crete, Greece
| | | | - George Kenanakis
- Institute of Electronic Structure and Laser, Foundation for Research and Technology, Heraklion, 71110, Crete, Greece
| | - Sofia Agelaki
- Medical School, University of Crete, Heraklion, 71003, Crete, Greece
| | | | - Irene Athanassakis
- Department of Biology, University of Crete, Heraklion, 71409, Crete, Greece
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14
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Chen CW, Syu WJ, Huang TC, Lee YC, Hsiao JK, Huang KY, Yu HP, Liao MY, Lai PS. Encapsulation of Au/Fe 3O 4 nanoparticles into a polymer nanoarchitecture with combined near infrared-triggered chemo-photothermal therapy based on intracellular secondary protein understanding. J Mater Chem B 2017; 5:5774-5782. [PMID: 32264211 DOI: 10.1039/c7tb00944e] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The combination of the functions of near infrared-triggered molecule release and chemo-photothermal therapy improved the therapeutic effect, but clarification of the cancer damage pathway in terms of protein molecule levels has yet to be well studied. In this study, we developed a polymer encapsulation synthesis of Au/Fe3O4@polymer nanoparticles as a Swiss army knife to integrate near infrared absorption, magnetism, and doxorubicin (DOX) loading ability into a single package. By exposing to near infrared absorption, the Au/Fe3O4@polymer nanoparticles possessed photothermal therapy, exhibiting anti-tumor growth suppression of HT-29 tumor-bearing nude mice with less body weight loss. To deeply understand the interactions between the drug-loaded nanocarriers and the protein structures of the treated cells, delivering therapeutic DOX agent combined with photothermal therapy with Au/Fe3O4@polymer nanostructures to cancer cells was investigated. Synchrotron-based FTIR imaging and confocal imaging showed direct observation of the efficient photo-chemotherapy impacting MCF7, MCF7/ADR, and HT-29 cells after the near infrared radiation-triggered DOX release. Our demonstration outlines how the cell destruction in the molecular mechanism was initiated by chemo-photothermal combination therapy after the translocation of DOX from the cytosol to the nuclei, leading to altered intracellular secondary proteins. For preclinical application of potential diagnosis to cancer cells, Au/Fe3O4@polymer nanoparticles performed integrated computed tomography/magnetic resonance imaging contrast enhancement and near infrared-triggered chemo-photothermal therapy.
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Affiliation(s)
- Ching-Wen Chen
- Department of Chemistry, National Chung Hsing University, Taichung 402, Taiwan.
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15
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Conte C, Roscini L, Sardella R, Mariucci G, Scorzoni S, Beccari T, Corte L. Toll Like Receptor 4 Affects the Cerebral Biochemical Changes Induced by MPTP Treatment. Neurochem Res 2017; 42:493-500. [PMID: 28108849 DOI: 10.1007/s11064-016-2095-6] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2016] [Revised: 10/17/2016] [Accepted: 10/27/2016] [Indexed: 02/06/2023]
Abstract
The etiology and pathogenesis of Parkinson's disease (PD) are still unclear. However, multiple lines of evidence suggest a critical role of the toll like receptor 4 (TLR4) in inflammatory response and neuronal death. Neuroinflammation may be associated with the misfolding and aggregation of proteins accompanied by a change in their secondary structure. Recent findings also suggest that biochemical perturbations in cerebral lipid content could contribute to the pathogenesis of central nervous system (CNS) disorders, including PD. Thus, it is of great importance to determine the biochemical changes that occur in PD. In this respect, Fourier Transform Infrared (FTIR) spectroscopy represents a useful tool to detect molecular alterations in biological systems in response to stress stimuli. By relying upon FTIR approach, this study was designed to elucidate the potential role of TLR4 in biochemical changes induced by methyl-4-phenyl-1,2,3,6-tetrahydropyridine (MPTP) neurotoxin in a mouse model of PD. The analysis of the FTIR spectra was performed in different brain regions of both wild type (WT) and toll like receptor 4-deficient (TLR4-/-) mice. It revealed that each brain region exhibited a characteristic molecular fingerprint at baseline, with no significant differences between genotypes. Conversely, WT and TLR4-/- mice showed differential biochemical response to MPTP toxicity, principally related to lipid and protein composition. These differences appeared to be characteristic for each brain area. Furthermore, the present study showed that WT mice resulted more vulnerable than TLR4-/- animals to striatal dopamine (DA) depletion following MPTP treatment. These results support the hypothesis of a possible involvement of TLR4 in biochemical changes occurring in neurodegeneration.
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Affiliation(s)
- Carmela Conte
- Department of Pharmaceutical Sciences, Section of Biochemical and Health Sciences, University of Perugia, Via del Giochetto, 06123, Perugia, Italy.
| | - Luca Roscini
- Department of Pharmaceutical Sciences, Section of Biochemical and Health Sciences, University of Perugia, Via del Giochetto, 06123, Perugia, Italy
| | - Roccaldo Sardella
- Department of Pharmaceutical Sciences, Section of Biochemical and Health Sciences, University of Perugia, Via del Giochetto, 06123, Perugia, Italy
| | - Giuseppina Mariucci
- Department of Pharmaceutical Sciences, Section of Biochemical and Health Sciences, University of Perugia, Via del Giochetto, 06123, Perugia, Italy
| | - Stefania Scorzoni
- Department of Pharmaceutical Sciences, Section of Biochemical and Health Sciences, University of Perugia, Via del Giochetto, 06123, Perugia, Italy.,CeMM Research Center for Molecular Medicine of the Austrian Academy of Sciences, Vienna, Austria
| | - Tommaso Beccari
- Department of Pharmaceutical Sciences, Section of Biochemical and Health Sciences, University of Perugia, Via del Giochetto, 06123, Perugia, Italy
| | - Laura Corte
- Department of Pharmaceutical Sciences, Section of Biochemical and Health Sciences, University of Perugia, Via del Giochetto, 06123, Perugia, Italy
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16
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Loutherback K, Birarda G, Chen L, Holman HYN. Microfluidic approaches to synchrotron radiation-based Fourier transform infrared (SR-FTIR) spectral microscopy of living biosystems. Protein Pept Lett 2016; 23:273-82. [PMID: 26732243 PMCID: PMC4997923 DOI: 10.2174/0929866523666160106154035] [Citation(s) in RCA: 28] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2015] [Revised: 10/30/2015] [Accepted: 01/05/2016] [Indexed: 02/07/2023]
Abstract
A long-standing desire in biological and biomedical sciences is to be able to probe cellular chemistry as biological processes are happening inside living cells. Synchrotron radiation-based Fourier transform infrared (SR-FTIR) spectral microscopy is a label-free and nondestructive analytical technique that can provide spatiotemporal distributions and relative abundances of biomolecules of a specimen by their characteristic vibrational modes. Despite great progress in recent years, SR-FTIR imaging of living biological systems remains challenging because of the demanding requirements on environmental control and strong infrared absorption of water. To meet this challenge, microfluidic devices have emerged as a method to control the water thickness while providing a hospitable environment to measure cellular processes and responses over many hours or days. This paper will provide an overview of microfluidic device development for SR-FTIR imaging of living biological systems, provide contrast between the various techniques including closed and open-channel designs, and discuss future directions of development within this area. Even as the fundamental science and technological demonstrations develop, other ongoing issues must be addressed; for example, choosing applications whose experimental requirements closely match device capabilities, and developing strategies to efficiently complete the cycle of development. These will require imagination, ingenuity and collaboration.
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Affiliation(s)
| | | | | | - Hoi-Ying N Holman
- Berkeley Synchrotron Infrared Structural Biology Program, Lawrence Berkeley National Laboratory, Berkeley, CA, USA.
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17
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Vibrational spectroscopies to investigate concretions and ectopic calcifications for medical diagnosis. CR CHIM 2016. [DOI: 10.1016/j.crci.2016.05.011] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
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18
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Pilling M, Gardner P. Fundamental developments in infrared spectroscopic imaging for biomedical applications. Chem Soc Rev 2016; 45:1935-57. [PMID: 26996636 DOI: 10.1039/c5cs00846h] [Citation(s) in RCA: 77] [Impact Index Per Article: 9.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Infrared chemical imaging is a rapidly emerging field with new advances in instrumentation, data acquisition and data analysis. These developments have had significant impact in biomedical applications and numerous studies have now shown that this technology offers great promise for the improved diagnosis of the diseased state. Relying on purely biochemical signatures rather than contrast from exogenous dyes and stains, infrared chemical imaging has the potential to revolutionise histopathology for improved disease diagnosis. In this review we discuss the recent advances in infrared spectroscopic imaging specifically related to spectral histopathology (SHP) and consider the current state of the field. Finally we consider the practical application of SHP for disease diagnosis and consider potential barriers to clinical translation highlighting current directions and the future outlook.
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Affiliation(s)
- Michael Pilling
- Manchester Institute of Biotechnology, University of Manchester, 131 Princess Street, Manchester, M1 7DN, UK.
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19
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Clemens G, Hands JR, Dorling KM, Baker MJ. Vibrational spectroscopic methods for cytology and cellular research. Analyst 2015; 139:4411-44. [PMID: 25028699 DOI: 10.1039/c4an00636d] [Citation(s) in RCA: 60] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
The use of vibrational spectroscopy, FTIR and Raman, for cytology and cellular research has the potential to revolutionise the approach to cellular analysis. Vibrational spectroscopy is non-destructive, simple to operate and provides direct information. Importantly it does not require expensive exogenous labels that may affect the chemistry of the cell under analysis. In addition, the advent of spectroscopic microscopes provides the ability to image cells and acquire spectra with a subcellular resolution. This introductory review focuses on recent developments within this fast paced field and highlights potential for the future use of FTIR and Raman spectroscopy. We particularly focus on the development of live cell research and the new technologies and methodologies that have enabled this.
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Affiliation(s)
- Graeme Clemens
- Centre for Materials Science, Division of Chemistry, University of Central Lancashire, Preston, Lancashire PR1 2HE, UK.
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20
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Lukacs R, Blümel R, Zimmerman B, Bağcıoğlu M, Kohler A. Recovery of absorbance spectra of micrometer-sized biological and inanimate particles. Analyst 2015; 140:3273-84. [PMID: 25797528 DOI: 10.1039/c5an00401b] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
In this paper, we first provide an overview of the Mie type scattering at absorbing materials and existing correction methods, followed by a new method to obtain the pure absorbance spectra of biological systems with spherical symmetry. This method is a further development of the recently described iterative algorithm of van Dijk et al. The method is tested on FTIR synchrotron spectra of polymethyl methacrylate (PMMA) microspheres and pollen grains with approximately spherical shape. The imaginary part of the refractive index was successfully recovered for both systems. Good agreement was obtained between the pure absorbance spectra obtained by this method and the measured spectra.
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Affiliation(s)
- R Lukacs
- Department of Mathematical Sciences and Technology, Faculty of Environmental Science and Technology, Norwegian University of Life Sciences, 1432 Ås, Norway
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21
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Lacombe C, Untereiner V, Gobinet C, Zater M, Sockalingum GD, Garnotel R. Rapid screening of classic galactosemia patients: a proof-of-concept study using high-throughput FTIR analysis of plasma. Analyst 2015; 140:2280-6. [DOI: 10.1039/c4an01942c] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
FTIR as a new approach to screen a rare disease.
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Affiliation(s)
- Caroline Lacombe
- Université de Reims Champagne-Ardenne
- Equipe MéDIAN
- Biophotonique et Technologies pour la Santé
- UFR de Pharmacie
- 51096 Reims
| | - Valérie Untereiner
- Université de Reims Champagne-Ardenne
- Equipe MéDIAN
- Biophotonique et Technologies pour la Santé
- UFR de Pharmacie
- 51096 Reims
| | - Cyril Gobinet
- Université de Reims Champagne-Ardenne
- Equipe MéDIAN
- Biophotonique et Technologies pour la Santé
- UFR de Pharmacie
- 51096 Reims
| | - Mokhtar Zater
- Biochimie – Hôpital de Bicêtre
- Hôpitaux Universitaires Paris-Sud
- France
| | - Ganesh D. Sockalingum
- Université de Reims Champagne-Ardenne
- Equipe MéDIAN
- Biophotonique et Technologies pour la Santé
- UFR de Pharmacie
- 51096 Reims
| | - Roselyne Garnotel
- Université de Reims Champagne-Ardenne
- Equipe MéDIAN
- Biophotonique et Technologies pour la Santé
- UFR de Pharmacie
- 51096 Reims
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22
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Rutter AV, Siddique MR, Filik J, Sandt C, Dumas P, Cinque G, Sockalingum GD, Yang Y, Sulé-Suso J. Study of gemcitabine-sensitive/resistant cancer cells by cell cloning and synchrotron FTIR microspectroscopy. Cytometry A 2014; 85:688-97. [DOI: 10.1002/cyto.a.22488] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2013] [Revised: 03/17/2014] [Accepted: 05/02/2014] [Indexed: 11/12/2022]
Affiliation(s)
- Abigail V. Rutter
- Institute for Science and Technology in Medicine; School of Medicine; Keele University; Thornburrow Drive Hartshill Stoke-on-Trent ST4 7QB United Kingdom
| | - Muhammad R. Siddique
- Institute for Science and Technology in Medicine; School of Medicine; Keele University; Thornburrow Drive Hartshill Stoke-on-Trent ST4 7QB United Kingdom
| | - Jacob Filik
- Diamond Light Source; Harwell Science and Innovation Campus; Didcot Oxfordshire OX11 0DE United Kingdom
| | - Christophe Sandt
- Synchrotron SOLEIL; L'Orme des Merisiers; Saint-Aubin - BP 48 Gif-sur-Yvette France
| | - Paul Dumas
- Synchrotron SOLEIL; L'Orme des Merisiers; Saint-Aubin - BP 48 Gif-sur-Yvette France
| | - Gianfelice Cinque
- Diamond Light Source; Harwell Science and Innovation Campus; Didcot Oxfordshire OX11 0DE United Kingdom
| | - Ganesh D. Sockalingum
- Université de Reims Champagne-Ardenne; MéDIAN-Biophotonique et Technologies pour la Santé; UFR de Pharmacie 51 rue Cognacq-Jay 51096 REIMS cedex France
- CNRS UMR7369; Matrice Extracellulaire et Dynamique Cellulaire; MEDyC Reims France
| | - Ying Yang
- Institute for Science and Technology in Medicine; School of Medicine; Keele University; Thornburrow Drive Hartshill Stoke-on-Trent ST4 7QB United Kingdom
| | - Josep Sulé-Suso
- Institute for Science and Technology in Medicine; School of Medicine; Keele University; Thornburrow Drive Hartshill Stoke-on-Trent ST4 7QB United Kingdom
- Cancer Centre; University Hospital of North Staffordshire; Newcastle Rd Stoke-on-Trent ST4 6QG United Kingdom
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23
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Clède S, Policar C, Sandt C. Fourier transform infrared (FT-IR) spectromicroscopy to identify cell organelles: correlation with fluorescence staining in MCF-7 breast cancer cells. APPLIED SPECTROSCOPY 2014; 68:113-117. [PMID: 24405961 DOI: 10.1366/13-07139] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/03/2023]
Abstract
Biomolecules display specific vibrational signatures in the infrared (IR) range, and organelles that concentrate these biomolecules can be identified by these IR signatures. Subcellular identification and location of cell organelles using IR signatures is attractive as it does not require the use of any specific trackers and is thus non-invasive and non-destructive. We show here that endogenous IR absorptions are relevant to detecting and imaging the nucleus, the cytoplasm, and the Golgi apparatus/endoplasmic reticulum in MCF-7 breast cancer cells, and we compare these results with our previous work on the HeLa cell line. We correlate maps of fixed and dried cells obtained by synchrotron radiation Fourier transform infrared (SR FT-IR) spectromicroscopy with epifluorescence images using fluorescent trackers for Golgi apparatus and nucleus, namely BODIPY TR C5-ceramide complexed to BSA and DAPI, respectively. Interestingly, the ratios of the IR bands CH2 : CH3 (both asymmetric and symmetric) and CO((ester)):amide I were shown to be reliable gauges of the lipidic character of a cellular compartment, the -CH2 and the CO((ester)) absorptions increasing with the presence of inner membranes like in the Golgi apparatus.
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A proposed integrated systems approach to the radiation biology of cosmic interest: biophysics and molecular characterization of tissues irradiated with 14 MeV neutrons. RENDICONTI LINCEI-SCIENZE FISICHE E NATURALI 2013. [DOI: 10.1007/s12210-013-0272-y] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
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Filik J, Rutter AV, Sulé-Suso J, Cinque G. Morphological analysis of vibrational hyperspectral imaging data. Analyst 2013; 137:5723-9. [PMID: 23001149 DOI: 10.1039/c2an35914f] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
This study demonstrates the use of standard morphological image processing techniques to reduce the hyperspectral image data of samples, containing discrete particles or domains, to a single average spectrum per particle. The processing is automated and successful even when the particles are in contact. Focal Plane Array, Fourier transform infrared (FTIR) absorbance images of biological cells are used as an example dataset. The large number of spectra in the image (~40,000) can be intelligently averaged to ~100 mean spectra, approximately one per cell, greatly simplifying further analysis. As well as reducing the data, the morphological analysis provides useful information, such as the size of each cell, and allows every spectrum associated with each cell to be identified and analysed independently of the full dataset. Using these methods, combined with principal components analysis, consistent spectral differences are found between the spectra of the whole cells and a cell region approximately corresponding to the nucleus. These spectral differences compare well with previous IR measurements on whole CALU-1 cells and their isolated nuclei, but with a simpler sample preparation. The algorithm created to analyse the CALU-1 cells has been applied to a second cell line (NL20), which has a very different growth morphology, to demonstrate that this processing method is applicable to varied samples with little or no modification.
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Affiliation(s)
- Jacob Filik
- Diamond Light Source Ltd, Harwell Science and Innovation Campus, Didcot, Oxfordshire OX11 0DE, UK.
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Patel II, Shearer DA, Fogarty SW, Fullwood NJ, Quaroni L, Martin FL, Weisz J. Infrared microspectroscopy identifies biomolecular changes associated with chronic oxidative stress in mammary epithelium and stroma of breast tissues from healthy young women: implications for latent stages of breast carcinogenesis. Cancer Biol Ther 2013; 15:225-35. [PMID: 24107651 DOI: 10.4161/cbt.26748] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022] Open
Abstract
Studies of the decades-long latent stages of breast carcinogenesis have been limited to when hyperplastic lesions are already present. Investigations of earlier stages of breast cancer (BC) latency have been stymied by the lack of fiducial biomarkers needed to identify where in histologically normal tissues progression toward a BC might be taking place. Recent evidence suggests that a marker of chronic oxidative stress (OxS), protein adducts of 4-hydroxy-2-nonenal (4HNE), can meet this need. Specifically: (1) 4HNE immunopositive (4HNE+) mammary epithelial (ME) cells were found to be prevalent in normal (reduction mammoplasty) tissues of most women (including many teenagers) studied, representative of those living in the United States' high risk-posing environment and: (2) marked (> 1.5-fold) differences were identified between tissues of healthy young women with many vs. few 4HNE+ ME cells in the relative levels of transcripts for 42 of the 84 OxS-associated genes represented in SABioscience Oxidative-Stress/Oxidative-Defense PCR array. Herein we used synchrotron radiation-based Fourier-transform infrared (SR-FTIR) microspectroscopy to identify molecular changes associated with 4HNE adducts in basal and luminal ME cells in terminal ductal units (TDLU), which are the cells of origin of BC, and associated intralobular and interlobular stroma, known contributors to carcinogenesis. Multivariate analysis-derived wavenumbers differentiated 4HNE+ and 4HNE- cells in each of the anatomical compartments. Specifically, principal component and linear discriminant analyses of mid-infrared spectra obtained from these cells revealed unambiguous, statistically highly significant differences in the "biochemical fingerprint" of 4HNE+ vs. 4HNE- luminal and basal ME cells, as well as between associated intralobular and interlobular stroma. These findings demonstrate further SR-FTIR microspectroscopy's ability to identify molecular changes associated with altered physiological and/or pathophysiological states, in this case with a state of chronic OxS that provides a pro-carcinogenic microenvironment.
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Affiliation(s)
- Imran I Patel
- Center for Biophotonics; Lancaster Environment Centre; Lancaster University; Lancaster, UK
| | - Debra A Shearer
- Department of Obstetrics and Gynecology; College of Medicine; Pennsylvania State University; Hershey, PA USA
| | - Simon W Fogarty
- Division of Biomedical and Life Sciences; Faculty of Health and Medicine; Lancaster University; Lancaster, UK
| | - Nigel J Fullwood
- Division of Biomedical and Life Sciences; Faculty of Health and Medicine; Lancaster University; Lancaster, UK
| | | | - Francis L Martin
- Center for Biophotonics; Lancaster Environment Centre; Lancaster University; Lancaster, UK
| | - Judith Weisz
- Department of Obstetrics and Gynecology; College of Medicine; Pennsylvania State University; Hershey, PA USA; Department of Pathology; College of Medicine; Pennsylvania State University; Hershey, PA USA
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Profiling serologic biomarkers in cirrhotic patients via high-throughput Fourier transform infrared spectroscopy: toward a new diagnostic tool of hepatocellular carcinoma. Transl Res 2013; 162:279-86. [PMID: 23920432 DOI: 10.1016/j.trsl.2013.07.007] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/13/2013] [Revised: 07/09/2013] [Accepted: 07/11/2013] [Indexed: 12/14/2022]
Abstract
Identification of novel serum biomarkers of hepatocellular carcinoma (HCC) is needed for early-stage disease detection and to improve patients' survival. The aim of this study was to evaluate the potential of serum Fourier transform infrared (FTIR) spectroscopy for differentiating sera from cirrhotic patients with and without HCC. Serum samples were collected from 2 sets of patients: cirrhotic patients with HCC (n = 39) and without HCC (n = 40). The FTIR spectra (10 per sample) were acquired in the transmission mode, and data homogeneity was tested by cluster analysis to exclude outliers. After data preprocessing by extended multiplicative signal correction and principal component analysis, the Support Vector Machine (SVM) method was applied using a leave-one-out cross-validation algorithm to classify the spectra into 2 classes of cirrhotic patients with and without HCC. When SVM was applied to all spectra (n = 790), the sensitivity and the specificity for the diagnosis of HCC were, respectively, 82.02% and 82.5%. When applied to the subset of spectra excluding the outliers (n = 739), SVM classification led to a sensitivity and specificity of 87.18% and 85%, respectively. Using median spectra for each patient instead of all replicates, the sensitivity and specificity were 84.62% and 82.50%, respectively. The overall accuracy rate was 82%-86%. In conclusion, this study suggests that FTIR spectroscopy combined with advanced methods of pattern analysis shows potential for differentiating sera from cirrhotic patients with and without HCC.
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The effect of optical substrates on micro-FTIR analysis of single mammalian cells. Anal Bioanal Chem 2012; 405:1311-24. [PMID: 23151654 PMCID: PMC3548100 DOI: 10.1007/s00216-012-6521-6] [Citation(s) in RCA: 54] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2012] [Revised: 10/16/2012] [Accepted: 10/23/2012] [Indexed: 11/22/2022]
Abstract
The study of individual cells with infrared (IR) microspectroscopy often requires living cells to be cultured directly onto a suitable substrate. The surface effect of the specific substrates on the cell growth—viability and associated biochemistry—as well as on the IR analysis—spectral interference and optical artifacts—is all too often ignored. Using the IR beamline, MIRIAM (Diamond Light Source, UK), we show the importance of the substrate used for IR absorption spectroscopy by analyzing two different cell lines cultured on a range of seven optical substrates in both transmission and reflection modes. First, cell viability measurements are made to determine the preferable substrates for normal cell growth. Successively, synchrotron radiation IR microspectroscopy is performed on the two cell lines to determine any genuine biochemically induced changes or optical effect in the spectra due to the different substrates. Multivariate analysis of spectral data is applied on each cell line to visualize the spectral changes. The results confirm the advantage of transmission measurements over reflection due to the absence of a strong optical standing wave artifact which amplifies the absorbance spectrum in the high wavenumber regions with respect to low wavenumbers in the mid-IR range. The transmission spectra reveal interference from a more subtle but significant optical artifact related to the reflection losses of the different substrate materials. This means that, for comparative studies of cell biochemistry by IR microspectroscopy, it is crucial that all samples are measured on the same substrate type. Cell separation by PCA due to the refractive index of the substrate used, revealing transmission artifact. ![]()
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Bazin D, Daudon M, Combes C, Rey C. Characterization and some physicochemical aspects of pathological microcalcifications. Chem Rev 2012; 112:5092-120. [PMID: 22809072 DOI: 10.1021/cr200068d] [Citation(s) in RCA: 145] [Impact Index Per Article: 12.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Affiliation(s)
- D Bazin
- Laboratoire de Physique des Solides, CNRS, Université Paris-Sud, 91405 Orsay, France.
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In vivo skin leptin modulation after 14 MeV neutron irradiation: a molecular and FT-IR spectroscopic study. Anal Bioanal Chem 2012; 404:1317-26. [DOI: 10.1007/s00216-012-6018-3] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2012] [Revised: 03/27/2012] [Accepted: 04/03/2012] [Indexed: 01/08/2023]
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Einenkel J, Braumann UD, Steller W, Binder H, Horn LC. Suitability of infrared microspectroscopic imaging for histopathology of the uterine cervix. Histopathology 2012; 60:1084-98. [DOI: 10.1111/j.1365-2559.2011.04140.x] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
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32
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Noninvasive assessment of hepatic fibrosis in patients with chronic hepatitis C using serum Fourier transform infrared spectroscopy. Anal Bioanal Chem 2011; 401:2919-25. [DOI: 10.1007/s00216-011-5402-8] [Citation(s) in RCA: 25] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2011] [Revised: 08/22/2011] [Accepted: 09/06/2011] [Indexed: 01/06/2023]
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Sahu RK, Mordechai S. Spectral signatures of colonic malignancies in the mid-infrared region: from basic research to clinical applicability. Future Oncol 2011; 6:1653-67. [PMID: 21062162 DOI: 10.2217/fon.10.120] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022] Open
Abstract
The process of carcinogenesis in the colon progresses through several overlapping stages, making the evaluation process challenging, as well as subjective. Owing to the complexity of colonic tissues and the search for a technique that is rapid and foolproof for precise grading and evaluation of biopsies, many spectroscopic techniques have been evaluated in the past few decades for their efficiency and clinical compatibility. Fourier-transform infrared spectroscopy, being quantitative and objective, has the capacity for automation and relevance to cancer diagnosis. This article highlights investigations on the application of Fourier-transform infrared spectroscopy (particularly microscopy) in colon cancer diagnosis and parallel developments in data analysis techniques for the characterization of spectral signatures of malignant tissues in the colon.
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Affiliation(s)
- Ranjit K Sahu
- Center for Autoimmune & Musculoskeletal Disease, Feinstein Institute for Medical Research, Manhasset, NY, USA
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Flower KR, Khalifa I, Bassan P, Démoulin D, Jackson E, Lockyer NP, McGown AT, Miles P, Vaccari L, Gardner P. SynchrotronFTIR analysis of drug treated ovarian A2780 cells: an ability to differentiate cell response to different drugs? Analyst 2011; 136:498-507. [DOI: 10.1039/c0an00564a] [Citation(s) in RCA: 51] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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A spectral phenotype of oncogenic human papillomavirus-infected exfoliative cervical cytology distinguishes women based on age. Clin Chim Acta 2010; 411:1027-33. [DOI: 10.1016/j.cca.2010.03.029] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2010] [Revised: 03/19/2010] [Accepted: 03/19/2010] [Indexed: 01/22/2023]
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