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Billimoria K, Andresen E, Resch-Genger U, Goenaga-Infante H. A Strategy for Quantitative Imaging of Lanthanide Tags in A549 Cells Using the Ratio of Internal Standard Elements. Anal Chem 2024. [PMID: 39028702 DOI: 10.1021/acs.analchem.4c02763] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/21/2024]
Abstract
One remaining handicap for spatially resolved elemental quantification in biological samples is the lack of a suitable internal standard (IS) that can be reliably measured across both calibration standards and samples. In this work, multielement quantitative intracellular imaging of cells tagged with lanthanide nanoparticles containing key lanthanides, e.g., Eu and Ho, is described using a novel strategy that uses the ratio of IS elements and LA-ICP-TOFMS analysis. To achieve this, an internal standard layer is deposited onto microscope slides containing either gelatin calibration standards or Eu- and Ho-tagged cell samples. This IS layer contains both gallium (Ga) and indium (In). Monitoring either element as an IS individually showed significant variability in intensity signal between sample or standards prepared across multiple microscope slides, which is indicative of the difficulties in producing a homogeneous film at intracellular resolution. However, normalization of the lanthanide signal to the ratio of the IS elements improved the calibration correlation coefficients from 0.9885 to 0.9971 and 0.9805 to 0.9980 for Eu and Ho, respectively, while providing a consistent signal to monitor the ablation behavior between standards and samples. By analyzing an independent quality control (QC) gelatin sample spiked with Eu and Ho, it was observed that without normalization to the IS ratio the concentrations of Eu and Ho were highly biased by approximately 20% in comparison to the expected values. Similarly, this overestimation was also observed in the lanthanide concentration distribution of the cell samples in comparison with the normalized data.
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Affiliation(s)
- Kharmen Billimoria
- National Measurement Laboratory, LGC, Teddington, TW11 0LY, United Kingdom
| | - Elina Andresen
- Bundesanstalt für Materialforschung und -prüfung (BAM), Berlin 12205, Germany
| | - Ute Resch-Genger
- Bundesanstalt für Materialforschung und -prüfung (BAM), Berlin 12205, Germany
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Kuraś R, Stępnik M, Domeradzka-Gajda K, Janasik B. The use of LA-ICP-MS as an auxiliary tool to assess the pulmonary toxicity of molybdenum(IV) sulfide (MoS 2) nano- and microparticles. Int J Occup Med Environ Health 2024; 37:18-33. [PMID: 38038449 PMCID: PMC10959281 DOI: 10.13075/ijomeh.1896.02305] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2023] [Accepted: 11/07/2023] [Indexed: 12/02/2023] Open
Abstract
OBJECTIVES Laser ablation inductively coupled plasma mass spectrometry (LA-ICP-MS) has considerable applicative potential for both qualitative and quantitative analyses of elemental spatial distribution and concentration. It provides high resolutions at pg-level detection limits. These qualities make it very useful for analyzing biological samples. The present study responds to the growing demand for adequate analytical methods which would allow to assess the distribution of nanostructured molybdenum(IV) disulfide (MoS2) in organs. It was also motivated by an apparent lack of literature on the biological effects of MoS2 in living organisms. The study was aimed at using LA-ICP-MS for comparing micro- and nanosized MoS2 ditribution in selected rat tissue samples (lung, liver, brain and spleen tissues) after the intratracheal instillation (7 administrations) of MoS2 nano- and microparticles vs. controls. MATERIAL AND METHODS The experimental study, approved by the Ethics Committee for Animal Experiments was performed using albino Wistar rats. This was performed at 2-week intervals at a dose of 5 mg/kg b.w., followed by an analysis after 90 days of exposure. The MoS2 levels in control tissues were determined with the laser ablation system at optimized operating conditions. The parameter optimization process for the LA system was conducted using The National Institute of Standards and Technology (NIST) glass standard reference materials. RESULTS Instrument parameters were optimized. The study found that molybdenum (Mo) levels in the lungs of microparticle-exposed rats were higher compared to nanoparticle-exposed rats. The opposite results were found for liver and spleen tissues. Brain Mo concentrations were below the detection limit. CONCLUSIONS The LA-ICP-MS technique may be used as an important tool for visualizing the distribution of Mo on the surface of soft samples through quantitative and qualitative elemental mapping. Int J Occup Med Environ Health. 2024;37(1):18-33.
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Affiliation(s)
- Renata Kuraś
- Nofer Institute of Occupational Medicine, Central Laboratory, Łódź, Poland
| | - Maciej Stępnik
- Nofer Institute of Occupational Medicine, Department of Toxicology and Carcinogenesis, Łódź, Poland
- QSAR LAB Ltd., Gdańsk, Poland
| | | | - Beata Janasik
- Nofer Institute of Occupational Medicine, Department of Chemical Safety, Łódź, Poland
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Jantarat T, Lauterbach JD, Doungchawee J, Agrohia DK, Vachet RW. Quantitative imaging of the sub-organ distributions of nanomaterials in biological tissues via laser ablation inductively coupled plasma mass spectrometry. Analyst 2023; 148:4479-4488. [PMID: 37575048 DOI: 10.1039/d3an00839h] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/15/2023]
Abstract
Nanomaterials have been employed in many biomedical applications, and their distributions in biological systems can provide an understanding of their behavior in vivo. Laser ablation inductively coupled plasma mass spectrometry (LA-ICP-MS) can be used to determine the distributions of metal-based NMs in biological systems. However, LA-ICP-MS has not commonly been used to quantitatively measure the cell-specific or sub-organ distributions of nanomaterials in tissues. Here, we describe a new platform that uses spiked gelatin standards with control tissues on top to obtain an almost perfect tissue mimic for quantitative imaging purposes. In our approach, gelatin is spiked with both nanomaterial standards and an internal standard to improve quantitation and image quality. The value of the developed approach is illustrated by determining the sub-organ distributions of different metal-based and metal-tagged polymeric nanomaterials in mice organs. The LA-ICP-MS images reveal that the chemical and physical properties of the nanomaterials cause them to distribute in quantitatively different extents in spleens, kidneys, and tumors, providing new insight into the fate of nanomaterials in vivo. Furthermore, we demonstrate that this approach enables quantitative co-localization of nanomaterials and their cargo. We envision this method being a valuable tool in the development of nanomaterial drug delivery systems.
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Affiliation(s)
- Teerapong Jantarat
- Department of Chemistry, University of Massachusetts, 710 North Pleasant Street, Amherst, MA 01002, USA.
| | - Joshua D Lauterbach
- Department of Chemistry, University of Massachusetts, 710 North Pleasant Street, Amherst, MA 01002, USA.
| | - Jeerapat Doungchawee
- Department of Chemistry, University of Massachusetts, 710 North Pleasant Street, Amherst, MA 01002, USA.
| | - Dheeraj K Agrohia
- Department of Chemistry, University of Massachusetts, 710 North Pleasant Street, Amherst, MA 01002, USA.
| | - Richard W Vachet
- Department of Chemistry, University of Massachusetts, 710 North Pleasant Street, Amherst, MA 01002, USA.
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Suárez-Oubiña C, Mangone A, Giannossa LC, Nuñez-González L, Herbello-Hermelo P, Bermejo-Barrera P, Moreda-Piñeiro A. Quantitative titanium imaging in fish tissues exposed to titanium dioxide nanoparticles by laser ablation-inductively coupled plasma-mass spectrometry. Mikrochim Acta 2023; 190:298. [PMID: 37462756 PMCID: PMC10353964 DOI: 10.1007/s00604-023-05895-9] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2023] [Accepted: 07/01/2023] [Indexed: 07/21/2023]
Abstract
Imaging studies by laser ablation-inductively coupled plasma mass spectrometry have been successfully developed to obtain qualitative and quantitative information on the presence/distribution of titanium (ionic titanium and/or titanium dioxide nanoparticles) in sea bream tissues (kidney, liver, and muscle) after exposure assays with 45-nm citrate-coated titanium dioxide nanoparticles. Laboratory-produced gelatine standards containing ionic titanium were used as a calibration strategy for obtaining laser ablation-based images using quantitative (titanium concentrations) data. The best calibration strategy consisted of using gelatine-based titanium standards (from 0.1 to 2.0 μg g-1) by placing 5.0-μL drops of the liquid gelatine standards onto microscope glass sample holders. After air drying at room temperature good homogeneity of the placed drops was obtained, which led to good repeatability of measurements (calibration slope of 4.21 × 104 ± 0.39 × 104, n = 3) and good linearity (coefficient of determination higher than 0.990). Under the optimised conditions, a limit of detection of 0.087 μg g-1 titanium was assessed. This strategy allowed to locate prominent areas of titanium in the tissues as well as to quantify the bioaccumulated titanium and a better understanding of titanium dioxide nanoparticle spatial distribution in sea bream tissues.
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Affiliation(s)
- Cristian Suárez-Oubiña
- Trace Element, Spectroscopy and Speciation Group (GETEE), Institute of Materials (iMATUS), Department of Analytical Chemistry, Nutrition and Bromatology, Faculty of Chemistry, Universidade de Santiago de Compostela, Avenida das Ciencias, s/n, 15782, Santiago de Compostela, Spain
| | - Annarosa Mangone
- Dipartimento di Chimica, Università Aldo Moro, via Orabona 4, 70126, Bari, Italy
| | - Lorena C Giannossa
- Dipartimento di Chimica, Università Aldo Moro, via Orabona 4, 70126, Bari, Italy
| | - Laura Nuñez-González
- Grupo de Genética y Biología del Desarrollo de las Enfermedades Renales, Laboratorio de Nefrología (n.11), Instituto de Investigación Sanitaria (IDIS), Complexo Hospitalario de Santiago de Compostela (CHUS), 15706, Santiago de Compostela, Spain
| | - Paloma Herbello-Hermelo
- Trace Element, Spectroscopy and Speciation Group (GETEE), Institute of Materials (iMATUS), Department of Analytical Chemistry, Nutrition and Bromatology, Faculty of Chemistry, Universidade de Santiago de Compostela, Avenida das Ciencias, s/n, 15782, Santiago de Compostela, Spain
| | - Pilar Bermejo-Barrera
- Trace Element, Spectroscopy and Speciation Group (GETEE), Institute of Materials (iMATUS), Department of Analytical Chemistry, Nutrition and Bromatology, Faculty of Chemistry, Universidade de Santiago de Compostela, Avenida das Ciencias, s/n, 15782, Santiago de Compostela, Spain
| | - Antonio Moreda-Piñeiro
- Trace Element, Spectroscopy and Speciation Group (GETEE), Institute of Materials (iMATUS), Department of Analytical Chemistry, Nutrition and Bromatology, Faculty of Chemistry, Universidade de Santiago de Compostela, Avenida das Ciencias, s/n, 15782, Santiago de Compostela, Spain.
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Saldarriaga Vargas C, Andersson M, Bouvier-Capely C, Li WB, Madas B, Covens P, Struelens L, Strigari L. Heterogeneity of absorbed dose distribution in kidney tissues and dose–response modelling of nephrotoxicity in radiopharmaceutical therapy with beta-particle emitters: A review. Z Med Phys 2023:S0939-3889(23)00037-5. [PMID: 37031068 DOI: 10.1016/j.zemedi.2023.02.006] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2022] [Revised: 02/20/2023] [Accepted: 02/27/2023] [Indexed: 04/08/2023]
Abstract
Absorbed dose heterogeneity in kidney tissues is an important issue in radiopharmaceutical therapy. The effect of absorbed dose heterogeneity in nephrotoxicity is, however, not fully understood yet, which hampers the implementation of treatment optimization by obscuring the interpretation of clinical response data and the selection of optimal treatment options. Although some dosimetry methods have been developed for kidney dosimetry to the level of microscopic renal substructures, the clinical assessment of the microscopic distribution of radiopharmaceuticals in kidney tissues currently remains a challenge. This restricts the anatomical resolution of clinical dosimetry, which hinders a thorough clinical investigation of the impact of absorbed dose heterogeneity. The potential of absorbed dose-response modelling to support individual treatment optimization in radiopharmaceutical therapy is recognized and gaining attraction. However, biophysical modelling is currently underexplored for the kidney, where particular modelling challenges arise from the convolution of a complex functional organization of renal tissues with the function-mediated dose distribution of radiopharmaceuticals. This article reviews and discusses the heterogeneity of absorbed dose distribution in kidney tissues and the absorbed dose-response modelling of nephrotoxicity in radiopharmaceutical therapy. The review focuses mainly on the peptide receptor radionuclide therapy with beta-particle emitting somatostatin analogues, for which the scientific literature reflects over two decades of clinical experience. Additionally, detailed research perspectives are proposed to address various identified challenges to progress in this field.
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Wang Y, Feng H, Wang R, Zhou L, Li N, He Y, Yang X, Lai J, Chen K, Zhu W. Non-targeted metabolomics and 16s rDNA reveal the impact of uranium stress on rhizosphere and non-rhizosphere soil of ryegrass. JOURNAL OF ENVIRONMENTAL RADIOACTIVITY 2023; 258:107090. [PMID: 36565664 DOI: 10.1016/j.jenvrad.2022.107090] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/03/2022] [Revised: 11/27/2022] [Accepted: 12/11/2022] [Indexed: 06/17/2023]
Abstract
As a radioactive heavy metal element with a long half-life, uranium causes environmental pollution when it enters the surrounding soil. This study analyzed the changes about soil enzyme activity, non-targeted metabolomics, microbial community structure and function microbial community structure and function to assess the differences in the effects of uranium stress on rhizosphere and non-rhizosphere soil. Results showed that uranium stress significantly inhibited the activities of urease and sucrase in rhizosphere and non-rhizosphere, which had less effect on rhizosphere. Compare to the non-rhizosphere soil, the uranium stress induced the production of gibberellin A1, to promoted several metabolic pathways, such as nitrogen and PTS (Phosphotransferase system) metabolic in rhizosphere soil. The species and abundance of Aspergillus, Acidobacter, and Synechococcus in both rhizosphere and non-rhizosphere soil were decreased by uranium stress. However, the microorganisms in rhizosphere soil were less inhibited according to the soil metabolism and microbial network map analysis. Furthermore, the Chujaibacter in rhizosphere soil under uranium stress was found significantly positively correlated with lipid and organic oxygen compounds. Overall, the results indicated that ryegrass roots significantly alleviated the effects of uranium stress on soil microbial activity and population abundances, thus playing a protective role. The study also provided a theoretical basis for in-depth understanding of the biological effects, prevention and control mechanisms of uranium-contaminated soil.
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Affiliation(s)
- Yilin Wang
- State Key Laboratory of Environment-friendly Energy Materials, School of Life Science and Engineering, Sichuan Co-Innovation Center for New Energetic Materials, National Co-innovation Center for Nuclear Waste Disposal and Environmental Safety, Nuclear Waste and Environmental Safety Key Laboratory of Defense, Southwest University of Science and Technology, Mianyang, 621010, China; School of Life Science and Engineering, Southwest University of Science and Technology, Mianyang, 621010, China
| | - Huachuan Feng
- State Key Laboratory of Environment-friendly Energy Materials, School of Life Science and Engineering, Sichuan Co-Innovation Center for New Energetic Materials, National Co-innovation Center for Nuclear Waste Disposal and Environmental Safety, Nuclear Waste and Environmental Safety Key Laboratory of Defense, Southwest University of Science and Technology, Mianyang, 621010, China; School of Life Science and Engineering, Southwest University of Science and Technology, Mianyang, 621010, China
| | - Ruixiang Wang
- State Key Laboratory of Environment-friendly Energy Materials, School of Life Science and Engineering, Sichuan Co-Innovation Center for New Energetic Materials, National Co-innovation Center for Nuclear Waste Disposal and Environmental Safety, Nuclear Waste and Environmental Safety Key Laboratory of Defense, Southwest University of Science and Technology, Mianyang, 621010, China; School of Life Science and Engineering, Southwest University of Science and Technology, Mianyang, 621010, China
| | - Li Zhou
- State Key Laboratory of Environment-friendly Energy Materials, School of Life Science and Engineering, Sichuan Co-Innovation Center for New Energetic Materials, National Co-innovation Center for Nuclear Waste Disposal and Environmental Safety, Nuclear Waste and Environmental Safety Key Laboratory of Defense, Southwest University of Science and Technology, Mianyang, 621010, China; School of Life Science and Engineering, Southwest University of Science and Technology, Mianyang, 621010, China
| | - Nan Li
- State Key Laboratory of Environment-friendly Energy Materials, School of Life Science and Engineering, Sichuan Co-Innovation Center for New Energetic Materials, National Co-innovation Center for Nuclear Waste Disposal and Environmental Safety, Nuclear Waste and Environmental Safety Key Laboratory of Defense, Southwest University of Science and Technology, Mianyang, 621010, China; School of Life Science and Engineering, Southwest University of Science and Technology, Mianyang, 621010, China
| | - Yizhou He
- State Key Laboratory of Environment-friendly Energy Materials, School of Life Science and Engineering, Sichuan Co-Innovation Center for New Energetic Materials, National Co-innovation Center for Nuclear Waste Disposal and Environmental Safety, Nuclear Waste and Environmental Safety Key Laboratory of Defense, Southwest University of Science and Technology, Mianyang, 621010, China; School of Life Science and Engineering, Southwest University of Science and Technology, Mianyang, 621010, China
| | - Xu Yang
- School of Life Science and Engineering, Southwest University of Science and Technology, Mianyang, 621010, China
| | - Jinlong Lai
- School of Life Science and Engineering, Southwest University of Science and Technology, Mianyang, 621010, China
| | - Ke Chen
- School of Life Science and Engineering, Southwest University of Science and Technology, Mianyang, 621010, China
| | - Wenkun Zhu
- State Key Laboratory of Environment-friendly Energy Materials, School of Life Science and Engineering, Sichuan Co-Innovation Center for New Energetic Materials, National Co-innovation Center for Nuclear Waste Disposal and Environmental Safety, Nuclear Waste and Environmental Safety Key Laboratory of Defense, Southwest University of Science and Technology, Mianyang, 621010, China.
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Billimoria K, Fernandez YAD, Andresen E, Sorzabal-Bellido I, Huelga-Suarez G, Bartczak D, Ortiz de Solórzano C, Resch-Genger U, Infante HG. The potential of bioprinting for preparation of nanoparticle-based calibration standards for LA-ICP-ToF-MS quantitative imaging. METALLOMICS : INTEGRATED BIOMETAL SCIENCE 2022; 14:6823718. [PMID: 36367500 DOI: 10.1093/mtomcs/mfac088] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/19/2022] [Accepted: 11/04/2022] [Indexed: 11/13/2022]
Abstract
This paper discusses the feasibility of a novel strategy based on the combination of bioprinting nano-doping technology and laser ablation-inductively coupled plasma time-of-flight mass spectrometry analysis for the preparation and characterization of gelatin-based multi-element calibration standards suitable for quantitative imaging. To achieve this, lanthanide up-conversion nanoparticles were added to a gelatin matrix to produce the bioprinted calibration standards. The features of this bioprinting approach were compared with manual cryosectioning standard preparation, in terms of throughput, between batch repeatability and elemental signal homogeneity at 5 μm spatial resolution. By using bioprinting, the between batch variability for three independent standards of the same concentration of 89Y (range 0-600 mg/kg) was reduced to 5% compared to up to 27% for cryosectioning. On this basis, the relative standard deviation (RSD) obtained between three independent calibration slopes measured within 1 day also reduced from 16% (using cryosectioning) to 5% (using bioprinting), supporting the use of a single standard preparation replicate for each of the concentrations to achieve good calibration performance using bioprinting. This helped reduce the analysis time by approximately 3-fold. With cryosectioning each standard was prepared and sectioned individually, whereas using bio-printing it was possible to have up to six different standards printed simultaneously, reducing the preparation time from approximately 2 h to under 20 min (by approximately 6-fold). The bio-printed calibration standards were found stable for a period of 2 months when stored at ambient temperature and in the dark.
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Affiliation(s)
- Kharmen Billimoria
- National Measurement Laboratory, LGC, Queens Road, Teddington, TW11 0LY, UK
| | - Yuri A Diaz Fernandez
- National Measurement Laboratory, LGC, Queens Road, Teddington, TW11 0LY, UK.,Department of Chemistry, University of Pavia, Pavia, Italy
| | - Elina Andresen
- Bundesanstalt für Materialforschung und-prüfung (BAM), Berlin, Germany
| | | | | | - Dorota Bartczak
- National Measurement Laboratory, LGC, Queens Road, Teddington, TW11 0LY, UK
| | | | - Ute Resch-Genger
- Bundesanstalt für Materialforschung und-prüfung (BAM), Berlin, Germany
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Li WB, Bouvier-Capely C, Saldarriaga Vargas C, Andersson M, Madas B. Heterogeneity of dose distribution in normal tissues in case of radiopharmaceutical therapy with alpha-emitting radionuclides. RADIATION AND ENVIRONMENTAL BIOPHYSICS 2022; 61:579-596. [PMID: 36239799 PMCID: PMC9630198 DOI: 10.1007/s00411-022-01000-5] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/27/2022] [Accepted: 10/06/2022] [Indexed: 05/10/2023]
Abstract
Heterogeneity of dose distribution has been shown at different spatial scales in diagnostic nuclear medicine. In cancer treatment using new radiopharmaceuticals with alpha-particle emitters, it has shown an extensive degree of dose heterogeneity affecting both tumour control and toxicity of organs at risk. This review aims to provide an overview of generalized internal dosimetry in nuclear medicine and highlight the need of consideration of the dose heterogeneity within organs at risk. The current methods used for patient dosimetry in radiopharmaceutical therapy are summarized. Bio-distribution and dose heterogeneities of alpha-particle emitting pharmaceutical 223Ra (Xofigo) within bone tissues are presented as an example. In line with the strategical research agendas of the Multidisciplinary European Low Dose Initiative (MELODI) and the European Radiation Dosimetry Group (EURADOS), future research direction of pharmacokinetic modelling and dosimetry in patient radiopharmaceutical therapy are recommended.
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Affiliation(s)
- Wei Bo Li
- Helmholtz Zentrum München-German Research Center for Environmental Health (GmbH), Institute of Radiation Medicine, Neuherberg, Germany.
| | - Céline Bouvier-Capely
- Institut de Radioprotection et Sûreté Nucléaire (IRSN), PSE-SANTE/SESANE/LRSI, Fontenay-aux-Roses, France
| | - Clarita Saldarriaga Vargas
- Radiation Protection Dosimetry and Calibrations, Belgian Nuclear Research Centre (SCK CEN), Mol, Belgium
- In Vivo Cellular and Molecular Imaging Laboratory, Vrije Universiteit Brussel, Brussels, Belgium
| | - Michelle Andersson
- Radiation Protection Dosimetry and Calibrations, Belgian Nuclear Research Centre (SCK CEN), Mol, Belgium
- Medical Physics Department, Jules Bordet Institute, Université Libre de Bruxelles, Brussels, Belgium
| | - Balázs Madas
- Environmental Physics Department, Centre for Energy Research, Budapest, Hungary
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Pan H, Feng L, Lu Y, Han Y, Xiong J, Li H. Calibration strategies for laser ablation ICP-MS in biological studies: A review. Trends Analyt Chem 2022. [DOI: 10.1016/j.trac.2022.116710] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/31/2022]
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10
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Bücker P, Buzzi RM, Akeret K, Mosberger L, Richter H, Sperling M, Hugelshofer M, Schaer DJ, Karst U. A model to visualize the fate of iron after intracranial hemorrhage using isotopic tracers and elemental bioimaging. METALLOMICS : INTEGRATED BIOMETAL SCIENCE 2022; 14:6652217. [PMID: 35906878 DOI: 10.1093/mtomcs/mfac057] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/18/2022] [Accepted: 07/15/2022] [Indexed: 11/13/2022]
Abstract
Hemoglobin-iron is a red-blood-cell toxin contributing to secondary brain injury after intracranial bleeding. We present a model to visualize an intracerebral hematoma and secondary hemoglobin-iron distribution by detecting 58Fe-labeled hemoglobin (Hb) with laser ablation-inductively coupled plasma-mass spectrometry on mouse brain cryosections after stereotactic whole blood injection for different time periods. The generation of 58Fe-enriched blood and decisive steps in the acute hemorrhage formation and evolution was evaluated. The model allows to visualize and quantify 58Fe with high spatial resolution and striking signal-to-noise ratio. Script-based evaluation of the delocalization-depth revealed ongoing 58Fe delocalization in the brain even six days after hematoma induction. Collectively, the model can quantify the distribution of Hb-derived iron post-bleeding, providing a methodological framework to study the pathophysiological basis of cell-free Hb toxicity in hemorrhagic stroke.
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Affiliation(s)
- Patrick Bücker
- Institute of Inorganic and Analytical Chemistry, University of Münster, Münster, Germany
| | - Raphael M Buzzi
- Division of Internal Medicine, Universitätsspital and University of Zurich, Zurich, Switzerland
| | - Kevin Akeret
- Department of Neurosurgery, Clinical Neuroscience Center, Universitätsspital and University of Zurich, Zurich, Switzerland
| | - Leila Mosberger
- Division of Internal Medicine, Universitätsspital and University of Zurich, Zurich, Switzerland
| | - Henning Richter
- Diagnostic Imaging Research Unit, Clinic for Diagnostic Imaging, University of Zurich, Zurich, Switzerland
| | - Michael Sperling
- Institute of Inorganic and Analytical Chemistry, University of Münster, Münster, Germany
| | - Michael Hugelshofer
- Department of Neurosurgery, Clinical Neuroscience Center, Universitätsspital and University of Zurich, Zurich, Switzerland
| | - Dominik J Schaer
- Division of Internal Medicine, Universitätsspital and University of Zurich, Zurich, Switzerland
| | - Uwe Karst
- Institute of Inorganic and Analytical Chemistry, University of Münster, Münster, Germany
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Riedo A, Lukmanov R, Grimaudo V, de Koning C, Ligterink NFW, Tulej M, Wurz P. Improved plasma stoichiometry recorded by laser ablation ionization mass spectrometry using a double-pulse femtosecond laser ablation ion source. RAPID COMMUNICATIONS IN MASS SPECTROMETRY : RCM 2021; 35:e9094. [PMID: 33821534 DOI: 10.1002/rcm.9094] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/09/2020] [Revised: 03/01/2021] [Accepted: 03/23/2021] [Indexed: 06/12/2023]
Abstract
RATIONALE Femtosecond (fs) laser ablation ion sources have allowed for improved measurement capabilities and figures of merit of laser ablation based spectroscopic and mass spectrometric measurement techniques. However, in comparison to longer pulse laser systems, the ablation plume from fs lasers is observed to be colder, which favors the formation of polyatomic species. Such species can limit the analytical capabilities of a system due to isobaric interferences. In this contribution, a double-pulse femtosecond (DP-fs) laser ablation ion source is coupled to our miniature Laser Ablation Ionization Mass Spectrometry (LIMS) system and its impact on the recorded stoichiometry of the generated plasma is analyzed in detail. METHODS A DP-fs laser ablation ion source (temporal delays of +300 to - 300 ps between pulses) is connected to our miniature LIMS system. The first pulse is used for material removal from the sample surface and the second for post-ionization of the ablation plume. To characterize the performance, parametric double- and single-pulse studies (temporal delays, variation of the pulse energy, voltage applied on detector system) were conducted on three different NIST SRM alloy samples (SRM 661, 664 and 665). RESULTS At optimal instrument settings for both the double-pulse laser ablation ion source and the detector voltage, relative sensitivity coefficients were observed to be closer (factor of ~2) to 1 compared with single-pulse measurements. Furthermore, the optimized settings worked for all three samples, meaning no further optimization was necessary when changing to another alloy sample material during this study. CONCLUSIONS The application of a double-pulse femtosecond laser ablation ion source resulted in the recording of improved stoichiometry of the generated plasma using our LIMS measurement technique. This is of great importance for the quantitative chemical analysis of more complex solid materials, e.g., geological samples or metal alloys, especially when aiming for standard-free quantification procedures for the determination of the chemical composition.
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Affiliation(s)
- Andreas Riedo
- Physics Institute, Space Research and Planetary Sciences, University of Bern, Sidlerstrasse 5, Bern, 3012, Switzerland
| | - Rustam Lukmanov
- Physics Institute, Space Research and Planetary Sciences, University of Bern, Sidlerstrasse 5, Bern, 3012, Switzerland
| | - Valentine Grimaudo
- Physics Institute, Space Research and Planetary Sciences, University of Bern, Sidlerstrasse 5, Bern, 3012, Switzerland
| | - Coenraad de Koning
- Physics Institute, Space Research and Planetary Sciences, University of Bern, Sidlerstrasse 5, Bern, 3012, Switzerland
| | - Niels F W Ligterink
- Physics Institute, Space Research and Planetary Sciences, University of Bern, Sidlerstrasse 5, Bern, 3012, Switzerland
| | - Marek Tulej
- Physics Institute, Space Research and Planetary Sciences, University of Bern, Sidlerstrasse 5, Bern, 3012, Switzerland
| | - Peter Wurz
- Physics Institute, Space Research and Planetary Sciences, University of Bern, Sidlerstrasse 5, Bern, 3012, Switzerland
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Doble PA, de Vega RG, Bishop DP, Hare DJ, Clases D. Laser Ablation-Inductively Coupled Plasma-Mass Spectrometry Imaging in Biology. Chem Rev 2021; 121:11769-11822. [PMID: 34019411 DOI: 10.1021/acs.chemrev.0c01219] [Citation(s) in RCA: 44] [Impact Index Per Article: 14.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Elemental imaging gives insight into the fundamental chemical makeup of living organisms. Every cell on Earth is comprised of a complex and dynamic mixture of the chemical elements that define structure and function. Many disease states feature a disturbance in elemental homeostasis, and understanding how, and most importantly where, has driven the development of laser ablation-inductively coupled plasma-mass spectrometry (LA-ICP-MS) as the principal elemental imaging technique for biologists. This review provides an outline of ICP-MS technology, laser ablation cell designs, imaging workflows, and methods of quantification. Detailed examples of imaging applications including analyses of cancers, elemental uptake and accumulation, plant bioimaging, nanomaterials in the environment, and exposure science and neuroscience are presented and discussed. Recent incorporation of immunohistochemical workflows for imaging biomolecules, complementary and multimodal imaging techniques, and image processing methods is also reviewed.
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Affiliation(s)
- Philip A Doble
- Atomic Medicine Initiative, University of Technology Sydney, Broadway, New South Wales 2007, Australia
| | - Raquel Gonzalez de Vega
- Atomic Medicine Initiative, University of Technology Sydney, Broadway, New South Wales 2007, Australia
| | - David P Bishop
- Atomic Medicine Initiative, University of Technology Sydney, Broadway, New South Wales 2007, Australia
| | - Dominic J Hare
- Atomic Medicine Initiative, University of Technology Sydney, Broadway, New South Wales 2007, Australia.,School of BioSciences, University of Melbourne, Parkville, Victoria 3052, Australia
| | - David Clases
- Atomic Medicine Initiative, University of Technology Sydney, Broadway, New South Wales 2007, Australia
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Amais RS, Donati GL, Zezzi Arruda MA. ICP-MS and trace element analysis as tools for better understanding medical conditions. Trends Analyt Chem 2020. [DOI: 10.1016/j.trac.2020.116094] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
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Wojcieszek J, Jiménez-Lamana J, Ruzik L, Szpunar J, Jarosz M. To-Do and Not-To-Do in Model Studies of the Uptake, Fate and Metabolism of Metal-Containing Nanoparticles in Plants. NANOMATERIALS (BASEL, SWITZERLAND) 2020; 10:E1480. [PMID: 32731603 PMCID: PMC7466506 DOI: 10.3390/nano10081480] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/06/2020] [Revised: 07/22/2020] [Accepted: 07/23/2020] [Indexed: 11/20/2022]
Abstract
Due to the increasing release of metal-containing nanoparticles into the environment, the investigation of their interactions with plants has become a hot topic for many research fields. However, the obtention of reliable data requires a careful design of experimental model studies. The behavior of nanoparticles has to be comprehensively investigated; their stability in growth media, bioaccumulation and characterization of their physicochemical forms taken-up by plants, identification of the species created following their dissolution/oxidation, and finally, their localization within plant tissues. On the basis of their strong expertise, the authors present guidelines for studies of interactions between metal-containing nanoparticles and plants.
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Affiliation(s)
- Justyna Wojcieszek
- Chair of Analytical Chemistry, Faculty of Chemistry, Warsaw University of Technology, 3 Noakowskiego str., 00-664 Warsaw, Poland; (J.W.); (L.R.); (M.J.)
| | - Javier Jiménez-Lamana
- Universite de Pau et des Pays de l’Adour, E2S UPPA, CNRS, Institute of Analytical and Physical Chemistry for the Environment and Materials (IPREM), UMR 5254, 64053 Pau, France;
| | - Lena Ruzik
- Chair of Analytical Chemistry, Faculty of Chemistry, Warsaw University of Technology, 3 Noakowskiego str., 00-664 Warsaw, Poland; (J.W.); (L.R.); (M.J.)
| | - Joanna Szpunar
- Universite de Pau et des Pays de l’Adour, E2S UPPA, CNRS, Institute of Analytical and Physical Chemistry for the Environment and Materials (IPREM), UMR 5254, 64053 Pau, France;
| | - Maciej Jarosz
- Chair of Analytical Chemistry, Faculty of Chemistry, Warsaw University of Technology, 3 Noakowskiego str., 00-664 Warsaw, Poland; (J.W.); (L.R.); (M.J.)
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