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Prasad A, Salim NV, Mozetič M, Kailas L, Thomas S. Time‐of‐flight secondary ion mass spectrometric analysis of polymer surfaces: A review. J Appl Polym Sci 2022. [DOI: 10.1002/app.52286] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Ananthu Prasad
- Faculty of Science, Engineering and Technology Swinburne University of Technology Victoria Australia
- International and Inter University Centre for Nanoscience and Nanotechnology (IIUCNN), Mahatma Gandhi University Kottayam Kerala India
| | - Nisa V. Salim
- Faculty of Science, Engineering and Technology Swinburne University of Technology Victoria Australia
| | - Miran Mozetič
- Department of Surface Engineering Jožef Stefan Institute Ljubljana Slovenia
| | | | - Sabu Thomas
- International and Inter University Centre for Nanoscience and Nanotechnology (IIUCNN), Mahatma Gandhi University Kottayam Kerala India
- School of Chemical Sciences, M G University Kottayam Kerala India
- Department of Chemical Sciences University of Johannesburg South Africa
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Rovira-Clavé X, Jiang S, Bai Y, Zhu B, Barlow G, Bhate S, Coskun AF, Han G, Ho CMK, Hitzman C, Chen SY, Bava FA, Nolan GP. Subcellular localization of biomolecules and drug distribution by high-definition ion beam imaging. Nat Commun 2021; 12:4628. [PMID: 34330905 PMCID: PMC8324837 DOI: 10.1038/s41467-021-24822-1] [Citation(s) in RCA: 31] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2020] [Accepted: 06/02/2021] [Indexed: 12/03/2022] Open
Abstract
Simultaneous visualization of the relationship between multiple biomolecules and their ligands or small molecules at the nanometer scale in cells will enable greater understanding of how biological processes operate. We present here high-definition multiplex ion beam imaging (HD-MIBI), a secondary ion mass spectrometry approach capable of high-parameter imaging in 3D of targeted biological entities and exogenously added structurally-unmodified small molecules. With this technology, the atomic constituents of the biomolecules themselves can be used in our system as the “tag” and we demonstrate measurements down to ~30 nm lateral resolution. We correlated the subcellular localization of the chemotherapy drug cisplatin simultaneously with five subnuclear structures. Cisplatin was preferentially enriched in nuclear speckles and excluded from closed-chromatin regions, indicative of a role for cisplatin in active regions of chromatin. Unexpectedly, cells surviving multi-drug treatment with cisplatin and the BET inhibitor JQ1 demonstrated near total cisplatin exclusion from the nucleus, suggesting that selective subcellular drug relocalization may modulate resistance to this important chemotherapeutic treatment. Multiplexed high-resolution imaging techniques, such as HD-MIBI, will enable studies of biomolecules and drug distributions in biologically relevant subcellular microenvironments by visualizing the processes themselves in concert, rather than inferring mechanism through surrogate analyses. Multiplexed ion beam imaging can provide subcellular localisation information but with limited resolution. Here the authors report an ion beam imaging method with nanoscale resolution which they use to assess the subcellular distribution of cisplatin.
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Affiliation(s)
- Xavier Rovira-Clavé
- Department of Microbiology and Immunology, Stanford University, Stanford, CA, USA.,Department of Pathology, Stanford University, Stanford, CA, USA
| | - Sizun Jiang
- Department of Microbiology and Immunology, Stanford University, Stanford, CA, USA.,Department of Pathology, Stanford University, Stanford, CA, USA
| | - Yunhao Bai
- Department of Microbiology and Immunology, Stanford University, Stanford, CA, USA.,Department of Pathology, Stanford University, Stanford, CA, USA
| | - Bokai Zhu
- Department of Microbiology and Immunology, Stanford University, Stanford, CA, USA.,Department of Pathology, Stanford University, Stanford, CA, USA
| | - Graham Barlow
- Department of Microbiology and Immunology, Stanford University, Stanford, CA, USA.,Department of Pathology, Stanford University, Stanford, CA, USA
| | - Salil Bhate
- Department of Microbiology and Immunology, Stanford University, Stanford, CA, USA.,Department of Pathology, Stanford University, Stanford, CA, USA.,Department of Bioengineering, Stanford University, Stanford, CA, USA
| | - Ahmet F Coskun
- Department of Microbiology and Immunology, Stanford University, Stanford, CA, USA.,Department of Pathology, Stanford University, Stanford, CA, USA
| | - Guojun Han
- Department of Microbiology and Immunology, Stanford University, Stanford, CA, USA.,Department of Pathology, Stanford University, Stanford, CA, USA
| | - Chin-Min Kimmy Ho
- Department of Microbiology and Immunology, Stanford University, Stanford, CA, USA.,Department of Pathology, Stanford University, Stanford, CA, USA.,Institute of Plant and Microbial Biology, Academia Sinica, Taipei, Taiwan
| | - Chuck Hitzman
- Stanford Nano Shared Facility, Stanford University, Stanford, CA, USA
| | - Shih-Yu Chen
- Department of Microbiology and Immunology, Stanford University, Stanford, CA, USA.,Department of Pathology, Stanford University, Stanford, CA, USA.,Institute of Biomedical Sciences, Academia Sinica, Taipei, Taiwan
| | - Felice-Alessio Bava
- Department of Microbiology and Immunology, Stanford University, Stanford, CA, USA.,Department of Pathology, Stanford University, Stanford, CA, USA
| | - Garry P Nolan
- Department of Microbiology and Immunology, Stanford University, Stanford, CA, USA. .,Department of Pathology, Stanford University, Stanford, CA, USA.
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Rush LA, Cliff JB, Reilly DD, Duffin AM, Menoni CS. Isotopic Heterogeneity Imaged in a Uranium Fuel Pellet with Extreme Ultraviolet Laser Ablation and Ionization Time-of-Flight Mass Spectrometry. Anal Chem 2021; 93:1016-1024. [PMID: 33314923 DOI: 10.1021/acs.analchem.0c03875] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
We use extreme ultraviolet laser ablation and ionization time-of-flight mass spectrometry (EUV TOF) to map uranium isotopic heterogeneity at the nanoscale (≤100 nm). Using low-enriched uranium fuel pellets that were made by blending two isotopically distinct feedstocks, we show that EUV TOF can map the 235U/238U content in 100 nm-sized pixels. The two-dimensional (2D) isotope maps reveal U ratio variations in sub-microscale to ≥1 μm areas of the pellet that had not been fully exposed by microscale or bulk mass spectrometry analyses. Compared to the ratio distribution measured in a homogeneous U reference material, the ratios in the enriched pellet follow a ∼3× wider distribution. These results indicate U heterogeneity in the fuel pellet from incomplete blending of the different source materials. EUV TOF results agree well with those obtained on the same enriched pellets by nanoscale secondary ionization mass spectrometry (NanoSIMS), which reveals a comparable U isotope ratio distribution at the same spatial scale. EUV TOF's ability to assess and map isotopic heterogeneity at the nanoscale makes it a promising tool in fields such as nuclear forensics, geochemistry, and biology that could benefit from uncovering sub-microscale sources of chemical modifications.
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Affiliation(s)
- Lydia A Rush
- Department of Electrical and Computer Engineering, Colorado State University, Fort Collins, Colorado 80523, United States
| | - John B Cliff
- Pacific Northwest National Laboratory, Richland, Washington 99354, United States
| | - Dallas D Reilly
- Pacific Northwest National Laboratory, Richland, Washington 99354, United States
| | - Andrew M Duffin
- Pacific Northwest National Laboratory, Richland, Washington 99354, United States
| | - Carmen S Menoni
- Department of Electrical and Computer Engineering, Colorado State University, Fort Collins, Colorado 80523, United States
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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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Terlier T, Lee J, Lee K, Lee Y. Improvement of the Correlative AFM and ToF-SIMS Approach Using an Empirical Sputter Model for 3D Chemical Characterization. Anal Chem 2018; 90:1701-1709. [DOI: 10.1021/acs.analchem.7b03431] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023]
Affiliation(s)
- T. Terlier
- Advanced Analysis Center and ‡Green City Technology Institute, Korea Institute of Science & Technology, Seoul 02792, Korea
| | - J. Lee
- Advanced Analysis Center and ‡Green City Technology Institute, Korea Institute of Science & Technology, Seoul 02792, Korea
| | - K. Lee
- Advanced Analysis Center and ‡Green City Technology Institute, Korea Institute of Science & Technology, Seoul 02792, Korea
| | - Y. Lee
- Advanced Analysis Center and ‡Green City Technology Institute, Korea Institute of Science & Technology, Seoul 02792, Korea
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Abstract
Secondary ion mass spectrometry (SIMS) has become an increasingly utilized tool in biologically relevant studies. Of these, high lateral resolution methodologies using the NanoSIMS 50/50L have been especially powerful within many biological fields over the past decade. Here, the authors provide a review of this technology, sample preparation and analysis considerations, examples of recent biological studies, data analyses, and current outlooks. Specifically, the authors offer an overview of SIMS and development of the NanoSIMS. The authors describe the major experimental factors that should be considered prior to NanoSIMS analysis and then provide information on best practices for data analysis and image generation, which includes an in-depth discussion of appropriate colormaps. Additionally, the authors provide an open-source method for data representation that allows simultaneous visualization of secondary electron and ion information within a single image. Finally, the authors present a perspective on the future of this technology and where they think it will have the greatest impact in near future.
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Wirtz T, Philipp P, Audinot JN, Dowsett D, Eswara S. High-resolution high-sensitivity elemental imaging by secondary ion mass spectrometry: from traditional 2D and 3D imaging to correlative microscopy. NANOTECHNOLOGY 2015; 26:434001. [PMID: 26436905 DOI: 10.1088/0957-4484/26/43/434001] [Citation(s) in RCA: 48] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/26/2023]
Abstract
Secondary ion mass spectrometry (SIMS) constitutes an extremely sensitive technique for imaging surfaces in 2D and 3D. Apart from its excellent sensitivity and high lateral resolution (50 nm on state-of-the-art SIMS instruments), advantages of SIMS include high dynamic range and the ability to differentiate between isotopes. This paper first reviews the underlying principles of SIMS as well as the performance and applications of 2D and 3D SIMS elemental imaging. The prospects for further improving the capabilities of SIMS imaging are discussed. The lateral resolution in SIMS imaging when using the microprobe mode is limited by (i) the ion probe size, which is dependent on the brightness of the primary ion source, the quality of the optics of the primary ion column and the electric fields in the near sample region used to extract secondary ions; (ii) the sensitivity of the analysis as a reasonable secondary ion signal, which must be detected from very tiny voxel sizes and thus from a very limited number of sputtered atoms; and (iii) the physical dimensions of the collision cascade determining the origin of the sputtered ions with respect to the impact site of the incident primary ion probe. One interesting prospect is the use of SIMS-based correlative microscopy. In this approach SIMS is combined with various high-resolution microscopy techniques, so that elemental/chemical information at the highest sensitivity can be obtained with SIMS, while excellent spatial resolution is provided by overlaying the SIMS images with high-resolution images obtained by these microscopy techniques. Examples of this approach are given by presenting in situ combinations of SIMS with transmission electron microscopy (TEM), helium ion microscopy (HIM) and scanning probe microscopy (SPM).
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Affiliation(s)
- T Wirtz
- Advanced Instrumentation for Ion Nano-Analytics (AINA), MRT Department, Luxembourg Institute of Science and Technology (LIST), 41 rue du Brill, L-4422 Belvaux, Luxembourg
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Fleming Y, Wirtz T. High sensitivity and high resolution element 3D analysis by a combined SIMS-SPM instrument. BEILSTEIN JOURNAL OF NANOTECHNOLOGY 2015; 6:1091-1099. [PMID: 26171285 PMCID: PMC4464366 DOI: 10.3762/bjnano.6.110] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/27/2015] [Accepted: 03/31/2015] [Indexed: 05/31/2023]
Abstract
Using the recently developed SIMS-SPM prototype, secondary ion mass spectrometry (SIMS) data was combined with topographical data from the scanning probe microscopy (SPM) module for five test structures in order to obtain accurate chemical 3D maps: a polystyrene/polyvinylpyrrolidone (PS/PVP) polymer blend, a nickel-based super-alloy, a titanium carbonitride-based cermet, a reticle test structure and Mg(OH)2 nanoclusters incorporated inside a polymer matrix. The examples illustrate the potential of this combined approach to track and eliminate artefacts related to inhomogeneities of the sputter rates (caused by samples containing various materials, different phases or having a non-flat surface) and inhomogeneities of the secondary ion extraction efficiencies due to local field distortions (caused by topography with high aspect ratios). In this respect, this paper presents the measured relative sputter rates between PVP and PS as well as in between the different phases of the TiCN cermet.
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Affiliation(s)
- Yves Fleming
- Advanced Instrumentation for Ion Nano-Analytics (AINA), MRT Department, Luxembourg Institute of Science and Technology (LIST), 41 rue du Brill, L-4422 Belvaux, Luxembourg
| | - Tom Wirtz
- Advanced Instrumentation for Ion Nano-Analytics (AINA), MRT Department, Luxembourg Institute of Science and Technology (LIST), 41 rue du Brill, L-4422 Belvaux, Luxembourg
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Ovchinnikova OS, Kjoller K, Hurst GB, Pelletier DA, Van Berkel GJ. Atomic force microscope controlled topographical imaging and proximal probe thermal desorption/ionization mass spectrometry imaging. Anal Chem 2013; 86:1083-90. [PMID: 24377265 DOI: 10.1021/ac4026576] [Citation(s) in RCA: 40] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023]
Abstract
This paper reports on the development of a hybrid atmospheric pressure atomic force microscopy/mass spectrometry imaging system utilizing nanothermal analysis probes for thermal desorption surface sampling with subsequent atmospheric pressure chemical ionization and mass analysis. The basic instrumental setup and the general operation of the system were discussed, and optimized performance metrics were presented. The ability to correlate topographic images of a surface with atomic force microscopy and a mass spectral chemical image of the same surface, utilizing the same probe without moving the sample from the system, was demonstrated. Co-registered mass spectral chemical images and atomic force microscopy topographical images were obtained from inked patterns on paper as well as from a living bacterial colony on an agar gel. Spatial resolution of the topography images based on pixel size (0.2 μm × 0.8 μm) was better than the resolution of the mass spectral images (2.5 μm × 2.0 μm), which were limited by current mass spectral data acquisition rate and system detection levels.
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Affiliation(s)
- Olga S Ovchinnikova
- Organic and Biological Mass Spectrometry Group, Chemical Sciences Division, Oak Ridge National Laboratory , Oak Ridge, Tennessee 37831-6131
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