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da Silva Lima G, Franco Dos Santos G, Ramalho RRF, de Aguiar DVA, Roque JV, Maciel LIL, Simas RC, Pereira I, Vaz BG. Laser ablation electrospray ionization mass spectrometry imaging as a new tool for accessing patulin diffusion in mold-infected fruits. Food Chem 2022; 373:131490. [PMID: 34743054 DOI: 10.1016/j.foodchem.2021.131490] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2021] [Revised: 10/19/2021] [Accepted: 10/26/2021] [Indexed: 02/06/2023]
Abstract
This work describes the use of laser ablation electrospray ionization mass spectrometry imaging (LAESI imaging) to investigate the diffusion of the mycotoxin patulin from rotten to healthy areas of fruits. Slices of mold-infected and uninfected (control) apples and strawberries were prepared, and this was the only sample preparation step used. An infrared laser beam (2.94 μm) was used to irradiate the slices, resulting in the ablation of sample compounds directly ionized by electrospray and analyzed by mass spectrometry. Multivariate curve resolution - alternating least squares was applied in unfolded LAESI images to obtain relative quantity information. Patulin was not detected in the control samples but was seen in all mold-infected fruits. LAESI images showed the diffusion of patulin from the rotten area to unaffected parts of the fruits. This study points out the advantage of LAESI imaging over traditional analytical methods used to study the diffusion of mycotoxins in fruits.
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Affiliation(s)
| | | | | | | | | | | | | | - Igor Pereira
- Chemistry Institute, Federal University of Goiás, Goiânia, GO 74690-900, Brazil.
| | - Boniek Gontijo Vaz
- Chemistry Institute, Federal University of Goiás, Goiânia, GO 74690-900, Brazil.
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2
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Bartels B, Svatoš A. Influence of Ion Source Geometry on the Repeatability of Topographically Guided LAESI-MSI. JOURNAL OF THE AMERICAN SOCIETY FOR MASS SPECTROMETRY 2022; 33:265-272. [PMID: 35020389 PMCID: PMC8815068 DOI: 10.1021/jasms.1c00262] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 08/30/2021] [Revised: 12/07/2021] [Accepted: 12/29/2021] [Indexed: 06/14/2023]
Abstract
Spatially resolving the relative distribution of analyte molecules in biological matter holds great promise in the life sciences. Mass spectrometry imaging (MSI) is a technique that can provide such spatial resolution but remains underused in fields such as chemical ecology, as traditional MSI sample preparation is often chemically or morphologically invasive. Laser ablation electrospray ionization (LAESI)-MSI is a variation of MSI particularly well-suited for situations where chemical sample preparation is too invasive but provides new challenges related to the repeatability of measurement outcomes. We assess the repeatability of LAESI-MSI by sampling a droplet of [ring-13C6]l-phenylalanine with known concentration and expressing the resulting variability as a coefficient of variation, cv. In doing so, we entirely eliminate variability caused by surface morphology or underlying true sample gradients. We determine the limit of detection (LOD) for13C6-Phe by sampling from droplets with successively decreasing but known concentration. We assess the influence of source geometry on the LOD and repeatability by performing these experiments using four distinct variations of sources: one commercial and three custom-built ones. Finally, we extend our study to leaf and stem samples Arabidopsis thaliana and Gossypium hirsutum. We overcome the challenges of LAESI associated with three-dimensional surface morphology by relying on work previously published. Our measurements on both controlled standard and realistic samples give strong evidence that LAESI-MSI's repeatability in current implementations is insufficient for MSI in chemical ecology.
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3
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Cameron SJS, Perdones-Montero A, Van Meulebroek L, Burke A, Alexander-Hardiman K, Simon D, Schaffer R, Balog J, Karancsi T, Rickards T, Rebec M, Stead S, Vanhaecke L, Takáts Z. Sample Preparation Free Mass Spectrometry Using Laser-Assisted Rapid Evaporative Ionization Mass Spectrometry: Applications to Microbiology, Metabolic Biofluid Phenotyping, and Food Authenticity. JOURNAL OF THE AMERICAN SOCIETY FOR MASS SPECTROMETRY 2021; 32:1393-1401. [PMID: 33980015 DOI: 10.1021/jasms.0c00452] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/04/2023]
Abstract
Mass spectrometry has established itself as a powerful tool in the chemical, biological, medical, environmental, and agricultural fields. However, experimental approaches and potential application areas have been limited by a traditional reliance on sample preparation, extraction, and chromatographic separation. Ambient ionization mass spectrometry methods have addressed this challenge but are still somewhat restricted in requirements for sample manipulation to make it suitable for analysis. These limitations are particularly restrictive in view of the move toward high-throughput and automated analytical workflows. To address this, we present what we consider to be the first automated sample-preparation-free mass spectrometry platform utilizing a carbon dioxide (CO2) laser for sample thermal desorption linked to the rapid evaporative ionization mass spectrometry (LA-REIMS) methodology. We show that the pulsatile operation of the CO2 laser is the primary factor in achieving high signal-to-noise ratios. We further show that the LA-REIMS automated platform is suited to the analysis of three diverse biological materials within different application areas. First, clinical microbiology isolates were classified to species level with an accuracy of 97.2%, the highest accuracy reported in current literature. Second, fecal samples from a type 2 diabetes mellitus cohort were analyzed with LA-REIMS, which allowed tentative identification of biomarkers which are potentially associated with disease pathogenesis and a disease classification accuracy of 94%. Finally, we showed the ability of the LA-REIMS system to detect instances of adulteration of cooking oil and determine the geographical area of production of three protected olive oil products with 100% classification accuracy.
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Affiliation(s)
- Simon J S Cameron
- Department of Metabolism, Digestion, and Reproduction, Imperial College London, London SW7 2AZ, U.K
- Institute for Global Food Security, School of Biological Sciences, Queen's University Belfast, Belfast BT9 5DL, U.K
| | - Alvaro Perdones-Montero
- Department of Metabolism, Digestion, and Reproduction, Imperial College London, London SW7 2AZ, U.K
| | - Lieven Van Meulebroek
- Laboratory of Chemical Analysis, Department of Veterinary Public Health and Food Safety, Ghent University, Ghent B-9820, Belgium
| | - Adam Burke
- Department of Metabolism, Digestion, and Reproduction, Imperial College London, London SW7 2AZ, U.K
| | - Kate Alexander-Hardiman
- Department of Metabolism, Digestion, and Reproduction, Imperial College London, London SW7 2AZ, U.K
| | - Daniel Simon
- Department of Metabolism, Digestion, and Reproduction, Imperial College London, London SW7 2AZ, U.K
- Waters Research Center, Budapest 1031, Hungary
| | | | - Julia Balog
- Waters Research Center, Budapest 1031, Hungary
| | | | - Tony Rickards
- Department of Microbiology, Imperial College Healthcare NHS Trust, London W6 8RD, U.K
| | - Monica Rebec
- Department of Microbiology, Imperial College Healthcare NHS Trust, London W6 8RD, U.K
| | - Sara Stead
- Waters Corporation, Wilmslow SK9 4AX, U.K
| | - Lynn Vanhaecke
- Institute for Global Food Security, School of Biological Sciences, Queen's University Belfast, Belfast BT9 5DL, U.K
- Laboratory of Chemical Analysis, Department of Veterinary Public Health and Food Safety, Ghent University, Ghent B-9820, Belgium
| | - Zoltán Takáts
- Department of Metabolism, Digestion, and Reproduction, Imperial College London, London SW7 2AZ, U.K
- Institute for Global Food Security, School of Biological Sciences, Queen's University Belfast, Belfast BT9 5DL, U.K
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4
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Bagley MC, Pace CL, Ekelöf M, Muddiman DC. Infrared matrix-assisted laser desorption electrospray ionization (IR-MALDESI) mass spectrometry imaging analysis of endogenous metabolites in cherry tomatoes. Analyst 2021; 145:5516-5523. [PMID: 32602477 DOI: 10.1039/d0an00818d] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
We report the spatially resolved metabolic profiling of cherry tomatoes using infrared matrix-assisted laser desorption electrospray ionization (IR-MALDESI), a mass spectrometry imaging (MSI) technique that operates at ambient conditions and requires no sample derivatization. Tomatoes were flash frozen, cryosectioned and imaged with adequate spatial resolution to distinguish between the major tissue structures of a tomato including the skin, mesocarp, endocarp, locular tissue, septum, placenta, seed and seed coating. Metabolites were imaged from 100-1200 m/z, enabling significant coverage of a diverse array of metabolites including amino acids and lipids along with the major secondary metabolite classes: terpenes, phenolics, glycosides, and alkaloids. During the metabolic profiling, we found endogenous carotenoid hydrocarbons, namely lycopene or its structural isomer β-carotene, ionized as radical cations. To our knowledge, this is the first demonstration of ionizing hydrocarbons in the MSI field.
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Affiliation(s)
- M Caleb Bagley
- FTMS Laboratory for Human Health Research, Department of Chemistry, USA.
| | - Crystal L Pace
- FTMS Laboratory for Human Health Research, Department of Chemistry, USA.
| | - Måns Ekelöf
- FTMS Laboratory for Human Health Research, Department of Chemistry, USA.
| | - David C Muddiman
- FTMS Laboratory for Human Health Research, Department of Chemistry, USA. and Department of Plant and Microbial Biology, USA and Molecular Education, Technology, and Research Innovation Center (METRIC), North Carolina State University, Raleigh, NC 27695, USA
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Optical Microscopy-Guided Laser Ablation Electrospray Ionization Ion Mobility Mass Spectrometry: Ambient Single Cell Metabolomics with Increased Confidence in Molecular Identification. Metabolites 2021; 11:metabo11040200. [PMID: 33801673 PMCID: PMC8065410 DOI: 10.3390/metabo11040200] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2021] [Revised: 03/23/2021] [Accepted: 03/25/2021] [Indexed: 12/13/2022] Open
Abstract
Single cell analysis is a field of increasing interest as new tools are continually being developed to understand intercellular differences within large cell populations. Laser-ablation electrospray ionization mass spectrometry (LAESI-MS) is an emerging technique for single cell metabolomics. Over the years, it has been validated that this ionization technique is advantageous for probing the molecular content of individual cells in situ. Here, we report the integration of a microscope into the optical train of the LAESI source to allow for visually informed ambient in situ single cell analysis. Additionally, we have coupled this ‘LAESI microscope’ to a drift-tube ion mobility mass spectrometer to enable separation of isobaric species and allow for the determination of ion collision cross sections in conjunction with accurate mass measurements. This combined information helps provide higher confidence for structural assignment of molecules ablated from single cells. Here, we show that this system enables the analysis of the metabolite content of Allium cepa epidermal cells with high confidence structural identification together with their spatial locations within a tissue.
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Lorenz M, Wagner R, Jesse S, Marsh JM, Mamak M, Proksch R, Ovchinnikova OS. Nanoscale Mass Spectrometry Multimodal Imaging via Tip-Enhanced Photothermal Desorption. ACS NANO 2020; 14:16791-16802. [PMID: 33232114 DOI: 10.1021/acsnano.0c05019] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
Materials ranging from adhesives, pharmaceuticals, lubricants, and personal care products are traditionally studied using macroscopic characterization techniques. However, their functionality is in reality defined by details of chemical organization on often noncrystalline matter with characteristic length scales on the order of microns to nanometers. Additionally, these materials are traditionally difficult to analyze using standard vacuum-based approaches that provide nanoscale chemical characterization due to their volatile and beam-sensitive nature. Therefore, approaches that operate under ambient conditions need to be developed that allow probing of nanoscale chemical phenomena and correlated functionality. Here, we demonstrate a tool for probing and visualizing local chemical environments and correlating them to material structure and functionality using advanced multimodal chemical imaging on a combined atomic force microscopy (AFM) and mass spectrometry (MS) system using tip-enhanced photothermal desorption with atmospheric pressure chemical ionization (APCI). We demonstrate enhanced performance metrics of the technique for correlated imaging and point sampling and illustrate the applicability for the analysis of trace chemicals on a human hair, additives in adhesives on paper, and pharmaceuticals samples notoriously difficult to analyze in a vacuum environment. Overall, this approach of correlating local chemical environments to structure and functionality is key to advancing research in many fields ranging from biology, to medicine, to material science.
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Affiliation(s)
- Matthias Lorenz
- Center for Nanophase Materials Sciences, Oak Ridge National Laboratory, Oak Ridge, Tennessee 37831, United States
- University of Tennessee, Knoxville, Tennessee 37996, United States
| | - Ryan Wagner
- Asylum Research an Oxford Instruments Company, Santa Barbara, California 93117, United States
| | - Stephen Jesse
- Center for Nanophase Materials Sciences, Oak Ridge National Laboratory, Oak Ridge, Tennessee 37831, United States
| | | | - Marc Mamak
- Procter & Gamble Company, Cincinnati, Ohio 45202, United States
| | - Roger Proksch
- Asylum Research an Oxford Instruments Company, Santa Barbara, California 93117, United States
| | - Olga S Ovchinnikova
- Center for Nanophase Materials Sciences, Oak Ridge National Laboratory, Oak Ridge, Tennessee 37831, United States
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7
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Zheng Y, Liu Z, Xing J, Zheng Z, Pi Z, Song F, Liu S. In situ analysis of single cell and biological samples with rGO-Cu functional probe ESI-MS spectrometry. Talanta 2020; 211:120751. [DOI: 10.1016/j.talanta.2020.120751] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2019] [Revised: 01/12/2020] [Accepted: 01/14/2020] [Indexed: 01/17/2023]
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8
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Dolatmoradi M, Fincher JA, Korte AR, Morris NJ, Vertes A. Remote ablation chamber for high efficiency particle transfer in laser ablation electrospray ionization mass spectrometry. Analyst 2020; 145:5861-5869. [DOI: 10.1039/d0an00984a] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Abstract
Improved remote ablation chamber for particle transfer in LAESI mass spectrometry.
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Affiliation(s)
| | | | | | | | - Akos Vertes
- Department of Chemistry
- The George Washington University
- USA
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9
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Zhou W, Hong Y, Huang C, Shen C, Chu Y. Laser Ablation Electrospray Ionization Time-of-Flight Mass Spectrometry for Direct Analysis of Biological Tissue. JOURNAL OF ANALYTICAL METHODS IN CHEMISTRY 2019; 2019:1417035. [PMID: 31772814 PMCID: PMC6854941 DOI: 10.1155/2019/1417035] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 02/12/2019] [Revised: 08/19/2019] [Accepted: 10/01/2019] [Indexed: 06/10/2023]
Abstract
Direct analysis and identification of biological tissue is significant for clinical applications. In this study, porcine liver and kidney have been analyzed using laser ablation electrospray ionization time-of-flight mass spectrometry (LAESI-TOFMS). This method showed good reproducibility for the same types of tissue and is capable of distinguishing different tissue species. The margin assessment was also performed using porcine renal tissue, and the response time was less than 6 s. Furthermore, human hepatocarcinoma tissue and normal tissue were identified using this method. Our results indicate that LAESI-TOFMS is a feasible approach for direct identification of tumor tissue and potential for assessment of the resection margin.
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Affiliation(s)
- Wenzhao Zhou
- Anhui Province Key Laboratory of Medical Physics and Technology, Center of Medical Physics and Technology, Hefei Institutes of Physical Science, Chinese Academy of Sciences, Hefei, Anhui 230031, China
| | - Yan Hong
- School of Electrical and Information Engineering, Anhui University of Science and Technology, Huainan, Anhui 232001, China
| | - Chaoqun Huang
- Anhui Province Key Laboratory of Medical Physics and Technology, Center of Medical Physics and Technology, Hefei Institutes of Physical Science, Chinese Academy of Sciences, Hefei, Anhui 230031, China
| | - Chengyin Shen
- Anhui Province Key Laboratory of Medical Physics and Technology, Center of Medical Physics and Technology, Hefei Institutes of Physical Science, Chinese Academy of Sciences, Hefei, Anhui 230031, China
| | - Yannan Chu
- Anhui Province Key Laboratory of Medical Physics and Technology, Center of Medical Physics and Technology, Hefei Institutes of Physical Science, Chinese Academy of Sciences, Hefei, Anhui 230031, China
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10
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Feider CL, Krieger A, DeHoog RJ, Eberlin LS. Ambient Ionization Mass Spectrometry: Recent Developments and Applications. Anal Chem 2019; 91:4266-4290. [PMID: 30790515 PMCID: PMC7444024 DOI: 10.1021/acs.analchem.9b00807] [Citation(s) in RCA: 260] [Impact Index Per Article: 52.0] [Reference Citation Analysis] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Affiliation(s)
- Clara L. Feider
- Department of Chemistry, The University of Texas at Austin, Austin, Texas 78712, United States
| | - Anna Krieger
- Department of Chemistry, The University of Texas at Austin, Austin, Texas 78712, United States
| | - Rachel J. DeHoog
- Department of Chemistry, The University of Texas at Austin, Austin, Texas 78712, United States
| | - Livia S. Eberlin
- Department of Chemistry, The University of Texas at Austin, Austin, Texas 78712, United States
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11
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Fincher JA, Korte AR, Reschke B, Morris NJ, Powell MJ, Vertes A. Enhanced sensitivity and metabolite coverage with remote laser ablation electrospray ionization-mass spectrometry aided by coaxial plume and gas dynamics. Analyst 2018; 142:3157-3164. [PMID: 28678241 DOI: 10.1039/c7an00805h] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Laser ablation electrospray ionization-mass spectrometry (LAESI-MS) allows for direct analysis of biological tissues at atmospheric pressure with minimal to no sample preparation. In LAESI, a mid-IR laser beam (λ = 2.94 μm) is focused onto the sample to produce an ablation plume that is intercepted and ionized by an electrospray at the inlet of the mass spectrometer. In the remote LAESI platform, the ablation process is removed from the mass spectrometer inlet and takes place in an ablation chamber, allowing for incorporation of additional optics for microscopic imaging and targeting of specific features of the sample for laser ablation sampling. The ablated material is transported by a carrier gas through a length of tubing, delivering it to the MS inlet where it is intercepted and ionized by an electrospray. Previous proof-of-principle studies used a prolate spheroid ablation chamber with the carrier gas flow perpendicular to the ablation plume. This design resulted in significant losses of MS signal in comparison to conventional LAESI. Here we present a newly designed conical inner volume ablation chamber that radially confines the ablation plume produced in transmission geometry. The carrier gas flow and the expanding ablation plume are aligned in a coaxial configuration to improve the transfer of ablated particles. This new design not only recovered the losses observed with the prolate spheroid chamber design, but was found to provide an ∼12-15% increase in the number of metabolite peaks detected from plant leaves and tissue sections relative to conventional LAESI.
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Affiliation(s)
- Jarod A Fincher
- Department of Chemistry, The George Washington University, Washington, DC 20052, USA.
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12
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Gündoğdu Y, Kiliç HŞ. A New Method for Investigation of Different Tissues Using Femtosecond Laser Mass Spectrometry. Photomed Laser Surg 2018; 36:548-554. [PMID: 30227088 DOI: 10.1089/pho.2018.4496] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022] Open
Abstract
BACKGROUND Femtosecond laser mass spectrometry (FLMS) has become an important tool for investigation of chemical and biological materials in many areas from medical to industrial. OBJECTIVE In medicine, the morphological examination of tissues is determined by performing pathological investigations under microscope. However, some novel improvements or developments must be performed for much faster diagnosis of the tissue during the operation when patient is under anesthesia. METHODS The information obtained from the tissue under the microscope remains very limited because it cannot reveal characteristics of the whole molecules. For this reason, some novel methods for analysis of tissues are important issues to be achieved. This process can be performed using FLMS much quicker than traditional techniques. The aim of this study is to develop a new procedure for interpretation of mass spectra obtained from different types of muscle tissues, such as lamb, bones, and beef obtained from the butcher. RESULTS The results obtained in this study are believed to open a new window for these kinds of applications for cancer diagnosis on human tissue studies, as a faster analysis technique to give some concrete contributions to pathological examinations. Both, principal component analysis statistical approach and FLMS technique offer a great opportunity to identify the biological materials from mass spectra. In conclusion, this present study interprets a great data from bone, beef, and lamb, which show that we can distinguish these different types of materials using FLMS data and statistical approaches. CONCLUSIONS Eventually, the experimental results obtained from our group studies present that these types of tissues can easily be distinguished using small m/q peaks in the lower region (m/z ≤100 amu) of the mass spectra by courtesy of FLMS.
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Affiliation(s)
- Yasemin Gündoğdu
- 1 Department of Physics, Faculty of Science, University of Selçuk , Selçuklu, Konya, Turkey
| | - Hamdi Şükür Kiliç
- 1 Department of Physics, Faculty of Science, University of Selçuk , Selçuklu, Konya, Turkey .,2 Directorate of High Technology Research and Application Center, University of Selçuk , Selçuklu, Konya, Turkey .,3 SULTAN Center, University of Selçuk , Selçuklu, Konya, Turkey
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13
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Ambient Pressure Laser Desorption—Chemical Ionization Mass Spectrometry for Fast and Reliable Detection of Explosives, Drugs, and Their Precursors. APPLIED SCIENCES-BASEL 2018. [DOI: 10.3390/app8060933] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
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14
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Bianchi F, Riboni N, Termopoli V, Mendez L, Medina I, Ilag L, Cappiello A, Careri M. MS-Based Analytical Techniques: Advances in Spray-Based Methods and EI-LC-MS Applications. JOURNAL OF ANALYTICAL METHODS IN CHEMISTRY 2018; 2018:1308167. [PMID: 29850370 PMCID: PMC5937452 DOI: 10.1155/2018/1308167] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/22/2017] [Accepted: 02/26/2018] [Indexed: 05/15/2023]
Abstract
Mass spectrometry is the most powerful technique for the detection and identification of organic compounds. It can provide molecular weight information and a wealth of structural details that give a unique fingerprint for each analyte. Due to these characteristics, mass spectrometry-based analytical methods are showing an increasing interest in the scientific community, especially in food safety, environmental, and forensic investigation areas where the simultaneous detection of targeted and nontargeted compounds represents a key factor. In addition, safety risks can be identified at the early stage through online and real-time analytical methodologies. In this context, several efforts have been made to achieve analytical instrumentation able to perform real-time analysis in the native environment of samples and to generate highly informative spectra. This review article provides a survey of some instrumental innovations and their applications with particular attention to spray-based MS methods and food analysis issues. The survey will attempt to cover the state of the art from 2012 up to 2017.
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Affiliation(s)
- Federica Bianchi
- Department of Chemistry, Life Sciences, and Environmental Sustainability, University of Parma, Parco Area delle Scienze 17/A, 43124 Parma, Italy
| | - Nicolò Riboni
- Department of Chemistry, Life Sciences, and Environmental Sustainability, University of Parma, Parco Area delle Scienze 17/A, 43124 Parma, Italy
- Department of Environmental Science and Analytical Chemistry, Stockholm University, 10691 Stockholm, Sweden
| | - Veronica Termopoli
- Department of Pure and Applied Sciences, LC-MS Laboratory, Piazza Rinascimento 6, 61029 Urbino, Italy
| | - Lucia Mendez
- Instituto de Investigaciones Marinas, Spanish National Research Council (IIM-CSIC), Eduardo Cabello 6, 36208 Vigo, Spain
| | - Isabel Medina
- Instituto de Investigaciones Marinas, Spanish National Research Council (IIM-CSIC), Eduardo Cabello 6, 36208 Vigo, Spain
| | - Leopold Ilag
- Department of Environmental Science and Analytical Chemistry, Stockholm University, 10691 Stockholm, Sweden
| | - Achille Cappiello
- Department of Pure and Applied Sciences, LC-MS Laboratory, Piazza Rinascimento 6, 61029 Urbino, Italy
| | - Maria Careri
- Department of Chemistry, Life Sciences, and Environmental Sustainability, University of Parma, Parco Area delle Scienze 17/A, 43124 Parma, Italy
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15
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Usmanov DT, Hiraoka K, Wada H, Matsumura M, Sanada-Morimura S, Nonami H, Yamabe S. Non-proximate mass spectrometry using a heated 1-m long PTFE tube and an air-tight APCI ion source. Anal Chim Acta 2017; 973:59-67. [DOI: 10.1016/j.aca.2017.03.044] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2017] [Revised: 03/19/2017] [Accepted: 03/24/2017] [Indexed: 11/16/2022]
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16
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Yamada Y, Ninomiya S, Hiraoka K, Chen LC. Development of Remote Sampling ESI Mass Spectrometry for the Rapid and Automatic Analysis of Multiple Samples. ACTA ACUST UNITED AC 2017; 5:S0068. [PMID: 28616373 DOI: 10.5702/massspectrometry.s0068] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2016] [Accepted: 03/13/2017] [Indexed: 01/06/2023]
Abstract
We report on combining a self-aspirated sampling probe and an ESI source using a single metal capillary which is electrically grounded and safe for use by the operator. To generate an electrospray, a negative H.V. is applied to the counter electrode of the ESI emitter to operate in positive ion mode. The sampling/ESI capillary is enclosed within another concentric capillary similar to the arrangement for a standard pneumatically assisted ESI source. The suction of the liquid sample is due to the Venturi effect created by the high-velocity gas flow near the ESI tip. In addition to serving as the mechanism for suction, the high-velocity gas flow also assists in the nebulization of charged droplets, thus producing a stable ion signal. Even though the potential of the ion source counter electrode is more negative than the mass spectrometer in the positive ion mode, the electric field effect is not significant if the ion source and the mass spectrometer are separated by a sufficient distance. Ion transmission is achieved by the viscous flow of the carrier gas. Using the present arrangement, the user can hold the ion source in a bare hand and the ion signal appears almost immediately when the sampling capillary is brought into contact with the liquid sample. The automated analysis of multiple samples can also be achieved by using motorized sample stage and an automated ion source holder.
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17
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Zhao Q, Liu J, Wang B, Zhang X, Huang G, Xu W. Rapid screening of explosives in ambient environment by aerodynamic assisted thermo desorption mass spectrometry. JOURNAL OF MASS SPECTROMETRY : JMS 2017; 52:1-6. [PMID: 27737506 DOI: 10.1002/jms.3894] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/31/2016] [Revised: 10/05/2016] [Accepted: 10/10/2016] [Indexed: 06/06/2023]
Abstract
Rapid, direct, and trace detection of explosives in an open environment is of particular need in homeland and/or transportation security. In this work, an aerodynamic assisted thermo desorption mass spectrometry method was developed for the direct quantitative analyses of explosives from a distance. Remote non-volatile explosive sensing was achieved for 2, 4, 6-trinitrotoluene, trinitrohexahydro-1, 3, 5-triazine, 8701 (main ingredient: RDX 98.5%), and C4 (a type of plastic explosive) with a distance of 0.65 m. Furthermore, a close to 324 cm2 effective sampling area could be achieved, and the limits of detection are in the ng range. This device can be deployed in airports and subway stations for high-throughput and automatic luggage/personnel screening of prohibited articles, such as explosives and illicit drugs. Copyright © 2016 John Wiley & Sons, Ltd.
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Affiliation(s)
- Qiang Zhao
- State Key Laboratory Explosion Science and Technology, Beijing Institute of Technology, Beijing, 100081, China
- School of Life Science, Beijing Institute of Technology, Beijing, 100081, China
| | - Jianli Liu
- School of Life Science, Beijing Institute of Technology, Beijing, 100081, China
| | - Bo Wang
- State Key Laboratory Explosion Science and Technology, Beijing Institute of Technology, Beijing, 100081, China
| | - Xiaohua Zhang
- Anyeep Instrumentation Company, Suzhou, 215129, China
| | - Guangyan Huang
- State Key Laboratory Explosion Science and Technology, Beijing Institute of Technology, Beijing, 100081, China
| | - Wei Xu
- State Key Laboratory Explosion Science and Technology, Beijing Institute of Technology, Beijing, 100081, China
- School of Life Science, Beijing Institute of Technology, Beijing, 100081, China
- Key Laboratory of Convergence Medical Engineering System and Healthcare Technology, the Ministry of Industry and Information Technology, Beijing Institute of Technology, Beijing, 100081, China
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18
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Affiliation(s)
- Patricia M Peacock
- First State IR, LLC , 118 Susan Drive, Hockessin, Delaware 19707, United States
| | - Wen-Jing Zhang
- Department of Chemistry, Wayne State University , 5101 Cass Avenue, Detroit, Michigan 48202, United States
| | - Sarah Trimpin
- Department of Chemistry, Wayne State University , 5101 Cass Avenue, Detroit, Michigan 48202, United States
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19
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Kiss A, Hopfgartner G. Laser-based methods for the analysis of low molecular weight compounds in biological matrices. Methods 2016; 104:142-53. [DOI: 10.1016/j.ymeth.2016.04.017] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2015] [Revised: 02/28/2016] [Accepted: 04/13/2016] [Indexed: 01/26/2023] Open
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20
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In vivo Real-Time Mass Spectrometry for Guided Surgery Application. Sci Rep 2016; 6:25919. [PMID: 27189490 PMCID: PMC4870577 DOI: 10.1038/srep25919] [Citation(s) in RCA: 88] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2016] [Accepted: 04/25/2016] [Indexed: 12/18/2022] Open
Abstract
Here we describe a new instrument (SpiderMass) designed for in vivo and real-time analysis. In this instrument ion production is performed remotely from the MS instrument and the generated ions are transported in real-time to the MS analyzer. Ion production is promoted by Resonant Infrared Laser Ablation (RIR-LA) based on the highly effective excitation of O-H bonds in water molecules naturally present in most biological samples. The retrieved molecular patterns are specific to the cell phenotypes and benign versus cancer regions of patient biopsies can be easily differentiated. We also demonstrate by analysis of human skin that SpiderMass can be used under in vivo conditions with minimal damage and pain. Furthermore SpiderMass can also be used for real-time drug metabolism and pharmacokinetic (DMPK) analysis or food safety topics. SpiderMass is thus the first MS based system designed for in vivo real-time analysis under minimally invasive conditions.
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21
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Zhai Y, Jiang T, Huang G, Wei Y, Xu W. An aerodynamic assisted miniature mass spectrometer for enhanced volatile sample analysis. Analyst 2016; 141:5404-11. [DOI: 10.1039/c6an00956e] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
Abstract
Low ppb-level VOC detection sensitivity was achieved by integrating an in-vacuum plasma ionization source into the continuous atmospheric pressure interfaced miniature mass spectrometer.
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Affiliation(s)
- Yanbing Zhai
- School of Life Science
- Beijing Institute of Technology
- Beijing 100081
- China
| | - Ting Jiang
- School of Life Science
- Beijing Institute of Technology
- Beijing 100081
- China
| | - Guangyan Huang
- State Key Laboratory Explosion Science and Technology
- Beijing Institute of Technology
- Beijing 100081
- China
| | - Yongzheng Wei
- First School of Clinic Medicine
- Guangzhou University of Chinese Medicine
- Guangzhou 510006
- China
| | - Wei Xu
- School of Life Science
- Beijing Institute of Technology
- Beijing 100081
- China
- State Key Laboratory Explosion Science and Technology
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22
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Chen CH, Lin Z, Tian R, Shi R, Cooks RG, Ouyang Z. Real-time sample analysis using a sampling probe and miniature mass spectrometer. Anal Chem 2015; 87:8867-73. [PMID: 26237577 DOI: 10.1021/acs.analchem.5b01943] [Citation(s) in RCA: 33] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
Abstract
A miniature mass spectrometry system with a sampling probe has been developed for real-time analysis of chemicals from sample surfaces. The sampling probe is 1.5 m in length and is comprised of one channel for introducing the spray and the other channel for transferring the charged species back to the Mini MS. This system provides a solution to the problem of real-time mass spectrometry analysis of a three-dimensional object in the field and is successful with compounds including those in inks, agrochemicals, explosives, and animal tissues. This system can be implemented in the form of a backpack MS with a sampling probe for forensic analysis or in the form of a compact MS with an intrasurgical probe for tissue analysis.
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Affiliation(s)
- Chien-Hsun Chen
- Weldon School of Biomedical Engineering, Purdue University , West Lafayette, Indiana 47907, United States
| | - Ziqing Lin
- Weldon School of Biomedical Engineering, Purdue University , West Lafayette, Indiana 47907, United States
| | - Ran Tian
- Department of Basic Medical Sciences, School of Veterinary Medicine, Purdue University , West Lafayette, Indiana 47907, United States
| | - Riyi Shi
- Weldon School of Biomedical Engineering, Purdue University , West Lafayette, Indiana 47907, United States.,Department of Basic Medical Sciences, School of Veterinary Medicine, Purdue University , West Lafayette, Indiana 47907, United States
| | - R Graham Cooks
- Department of Chemistry, Purdue University , West Lafayette, Indiana 47907, United States
| | - Zheng Ouyang
- Weldon School of Biomedical Engineering, Purdue University , West Lafayette, Indiana 47907, United States.,Department of Chemistry, Purdue University , West Lafayette, Indiana 47907, United States
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23
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Bartels B, Svatoš A. Spatially resolved in vivo plant metabolomics by laser ablation-based mass spectrometry imaging (MSI) techniques: LDI-MSI and LAESI. FRONTIERS IN PLANT SCIENCE 2015; 6:471. [PMID: 26217345 PMCID: PMC4498035 DOI: 10.3389/fpls.2015.00471] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/05/2023]
Abstract
This short review aims to summarize the current developments and applications of mass spectrometry-based methods for in situ profiling and imaging of plants with minimal or no sample pre-treatment or manipulation. Infrared-laser ablation electrospray ionization and UV-laser desorption/ionization methods are reviewed. The underlying mechanisms of the ionization techniques-namely, laser ablation of biological samples and electrospray ionization-as well as variations of the LAESI ion source for specific targets of interest are described.
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Affiliation(s)
| | - Aleš Svatoš
- *Correspondence: Aleš Svatoš,Research Group Mass Spectrometry/Proteomics, Max Planck Institute for Chemical Ecology, Max-Planck-Gesellschaft, Hans-Knöll-Straße 8, Jena D-07745, Germany,
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