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Mapping the Chemistry of Hair Strands by Mass Spectrometry Imaging-A Review. Molecules 2021; 26:molecules26247522. [PMID: 34946604 PMCID: PMC8706971 DOI: 10.3390/molecules26247522] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2021] [Revised: 11/29/2021] [Accepted: 12/08/2021] [Indexed: 11/23/2022] Open
Abstract
Hair can record chemical information reflecting our living conditions, and, therefore, strands of hair have become a potent analytical target within the biological and forensic sciences. While early efforts focused on analyzing complete hair strands in bulk, high spatial resolution mass spectrometry imaging (MSI) has recently come to the forefront of chemical hair-strand analysis. MSI techniques offer a localized analysis, requiring fewer de-contamination procedures per default and making it possible to map the distribution of analytes on and within individual hair strands. Applying the techniques to hair samples has proven particularly useful in investigations quantifying the exposure to, and uptake of, toxins or drugs. Overall, MSI, combined with optimized sample preparation protocols, has improved precision and accuracy for identifying several elemental and molecular species in single strands of hair. Here, we review different sample preparation protocols and use cases with a view to make the methodology more accessible to researchers outside of the field of forensic science. We conclude that—although some challenges remain, including contamination issues and matrix effects—MSI offers unique opportunities for obtaining highly resolved spatial information of several compounds simultaneously across hair surfaces.
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Srivastav A, Dandekar P, Jain R. Penetration study of oils and its formulations into the human hair using confocal microscopy. J Cosmet Dermatol 2019; 18:1947-1954. [DOI: 10.1111/jocd.12918] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2018] [Accepted: 02/05/2019] [Indexed: 12/18/2022]
Affiliation(s)
- Ashu Srivastav
- Department of Chemical Engineering Institute of Chemical Technology Mumbai India
| | - Prajakta Dandekar
- Department of Pharmaceutical Sciences & Technology Institute of Chemical Technology Mumbai India
| | - Ratnesh Jain
- Department of Chemical Engineering Institute of Chemical Technology Mumbai India
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Jurowski K, Buszewski B, Piekoszewski W. Bioanalytics in Quantitive (Bio)imaging/Mapping of Metallic Elements in Biological Samples. Crit Rev Anal Chem 2016; 45:334-47. [PMID: 25996031 DOI: 10.1080/10408347.2014.941455] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
The aim of this article is to describe selected analytical techniques and their applications in the quantitative mapping/(bio)imaging of metals in biological samples. This work presents the advantages and disadvantages as well as the appropriate methods of scope for research. Distribution of metals in biological samples is currently one of the most important issues in physiology, toxicology, pharmacology, and other disciplines where functional information about the distribution of metals is essential. This issue is a subject of research in (bio)imaging/mapping studies, which use a variety of analytical techniques for the identification and determination of metallic elements. Increased interest in analytical techniques enabling the (bio)imaging of metals in a variety of biological material has been observed more recently. Measuring the distribution of trace metals in tissues after a drug dose or ingestion of poison-containing metals allows for the studying of pathomechanisms and the pathophysiology of various diseases and disorders related to the management of metals in human and animal systems.
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Affiliation(s)
- Kamil Jurowski
- a Department of Analytical Chemistry, Faculty of Chemistry , Jagiellonian University in Kraków , Kraków , Poland
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The analytical calibration in (bio)imaging/mapping of the metallic elements in biological samples – Definitions, nomenclature and strategies: State of the art. Talanta 2015; 131:273-85. [DOI: 10.1016/j.talanta.2014.07.089] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2014] [Revised: 07/26/2014] [Accepted: 07/30/2014] [Indexed: 01/04/2023]
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Clifford CA, Sano N, Doyle P, Seah MP. Nanomechanical measurements of hair as an example of micro-fibre analysis using atomic force microscopy nanoindentation. Ultramicroscopy 2012; 114:38-45. [DOI: 10.1016/j.ultramic.2012.01.006] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2011] [Revised: 01/06/2012] [Accepted: 01/09/2012] [Indexed: 11/29/2022]
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Nanotribological characterization of human head hair by friction force microscopy in dry atmosphere and aqueous environment. Biointerphases 2010; 5:60-8. [PMID: 20831350 DOI: 10.1116/1.3432462] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
Friction force microscopy was employed for the tribological investigation of human head hair in two different environments: a dry atmosphere and de-ionized water. The fibers were immobilized by embedding them in indium. The effects of bleaching, conditioning, and immersion in methanolic KOH were quantified in terms of the relative coefficient of friction (μ). The virgin fibers were clearly distinguished in terms of friction coefficient from the chemically damaged ones in both environments, while all categories of hair exhibited higher friction coefficients in the aqueous environment. Secondary ion mass spectroscopy was used as a complementary technique to examine the presence of fatty acids on the cuticular surface of the different categories of hair as well as the conditioner distribution. Neither bleaching nor 30 min treatment in methanolic KOH was found adequate to completely remove the fatty acids from the fibers' surface. Conditioner species were detected along the whole cuticular surface.
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Lee JLS, Gilmore IS, Fletcher IW, Seah MP. Multivariate image analysis strategies for ToF-SIMS images with topography. SURF INTERFACE ANAL 2009. [DOI: 10.1002/sia.3070] [Citation(s) in RCA: 66] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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Chapter 13: Imaging of cells and tissues with mass spectrometry: adding chemical information to imaging. Methods Cell Biol 2008; 89:361-90. [PMID: 19118682 PMCID: PMC2804930 DOI: 10.1016/s0091-679x(08)00613-4] [Citation(s) in RCA: 32] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/09/2023]
Abstract
Techniques that map the distribution of compounds in biological tissues can be invaluable in addressing a number of critical questions in biology and medicine. One of the newer methods, mass spectrometric imaging, has enabled investigation of spatial localization for a variety of compounds ranging from atomics to proteins. The ability of mass spectrometry to detect and differentiate a large number of unlabeled compounds makes the approach amenable to the study of complex biological tissues. This chapter focuses on recent advances in the instrumentation and sample preparation protocols that make mass spectrometric imaging of biological samples possible, including strategies for both tissue and single-cell imaging using the following mass spectrometric ionization methods: matrix-assisted laser desorption/ionization, secondary ion, electrospray, and desorption electrospray.
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Kempson IM, Skinner WM. ToF-SIMS analysis of elemental distributions in human hair. THE SCIENCE OF THE TOTAL ENVIRONMENT 2005; 338:213-227. [PMID: 15713330 DOI: 10.1016/j.scitotenv.2004.07.017] [Citation(s) in RCA: 27] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/26/2004] [Revised: 07/07/2004] [Accepted: 07/18/2004] [Indexed: 05/24/2023]
Abstract
Elemental distributions on whole and longitudinal sections of hairs plucked from the scalp were studied with the surface sensitive technique time-of-flight secondary ion mass spectrometry (ToF-SIMS). Endogenous and environmental influences on the distributions of elemental species were identified. The cuticle scales appear to play the major role in the accumulation of exogenous products. The functionality of the outer surfaces and scale edges each preferentially bind different elemental species. The majority of elements considered accumulated longitudinally on the outer surface of the hair above the scalp level. Internally, most elemental signals (especially Al) decreased longitudinally once exposed to the environment with the exception of Si, which showed an increase. Images of elemental distributions within the medulla suggest that regions of different reactivity exist and show a variable ability to accumulate elemental species. The greatest signal intensities were observed in the cuticle and medulla regions rather than the cortex. The cuticle is continually exposed to environmental contamination and the medulla may, or may not, exist in a hair. Therefore, the components of a hair that potentially contribute the most to the elemental concentrations (i.e. the cuticle and medulla) are also the most variable, and as such greatly complicate the interpretation of elemental concentrations in hair. Results also suggest that bleaching hair can enhance the accumulation of contaminants.
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Affiliation(s)
- Ivan M Kempson
- Ian Wark Research Institute, University of South Australia, Mawson Lakes 5095, Australia.
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Tolleson WH. Human melanocyte biology, toxicology, and pathology. JOURNAL OF ENVIRONMENTAL SCIENCE AND HEALTH. PART C, ENVIRONMENTAL CARCINOGENESIS & ECOTOXICOLOGY REVIEWS 2005; 23:105-61. [PMID: 16291526 DOI: 10.1080/10590500500234970] [Citation(s) in RCA: 82] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/05/2023]
Abstract
The human melanocytes of the skin, hair, eyes, inner ears, and covering of the brain provide physiologic functions important in organ development and maintenance. Melanocytes develop from embryonic neural crest progenitors and share certain traits with other neural crest derivatives found in the adrenal medulla and peripheral nervous system. The distinctive metabolic feature of melanocytes is the synthesis of melanin pigments from tyrosine and cysteine precursors involving over 100 gene products. These complex biochemical mechanisms create inherent liabilities for melanocytic cells if intracellular systems necessary for compartmentalization, detoxification, or repair are compromised. Melanocyte disorders may involve pigmentation, sensory functions, autoimmunity, or malignancy. Environmental factors such as ultraviolet radiation and chemical exposures, combined with heritable traits, represent the principal hazards associated with melanocyte disorders.
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Affiliation(s)
- William H Tolleson
- National Center for Toxicological Research, US Food and Drug Administration, Jefferson, AR 72079, USA.
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Kleinfeld AM, Kampf JP, Lechene C. Transport of 13C-oleate in adipocytes measured using multi imaging mass spectrometry. JOURNAL OF THE AMERICAN SOCIETY FOR MASS SPECTROMETRY 2004; 15:1572-80. [PMID: 15519224 DOI: 10.1016/j.jasms.2004.07.010] [Citation(s) in RCA: 50] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/17/2004] [Revised: 07/14/2004] [Accepted: 07/14/2004] [Indexed: 05/23/2023]
Abstract
The mechanism of long chain free fatty acid (FFA) transport across cell membranes is under active investigation. Here we describe the use of multi imaging mass spectrometry (MIMS) to monitor intracellular concentrations of FFA and provide new insight into FFA transport in cultured adipocytes. Cells were incubated with 13C-oleate:BSA and either dried directly or dried after washing with a medium deprived of 13C-oleate:BSA. Cells were analyzed with MIMS using a scanning primary Cs+ ion beam and 12C-, 13C-, 12C14N-, 13C14N-) (or 12C 15N-) were imaged simultaneously. From these quantitative images the values of the 13C/ 12C ratios were determined in the intracellular lipid droplets, in the cytoplasm and outside the 3T3F442A adipocytes. The results indicate that after incubation with 13C-oleate:BSA the droplet 13C/ 12C ratio was 15 +/- 6%. This value is about 14-fold higher than the 13C/ 12C terrestrial ratio (1.12%). After washing the 13C-oleate:BSA, the droplet 13C/ 12C ratios decreased to 1.6 +/- 0.1%, about 40% greater than the natural abundance. Results for washed cells indicate that relatively little FFA was esterified. The unwashed cell results, together with the value of the lipid water partition coefficient, reveal that intracellular unbound FFA (FFAu) concentrations were on average about 4.5-fold greater than the extracellular FFAu concentrations. These results are consistent with the possibility that FFA may be pumped into adipocytes against their electro-chemical potential. This work demonstrates that MIMS can be used to image and quantitate stable isotope labeled fatty acid in intracellular lipid droplets.
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Affiliation(s)
- Alan M Kleinfeld
- Torrey Pines Institute for Molecular Studies, San Diego, California 92121, USA.
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Hallégot P, Peteranderl R, Lechene C. In-situ imaging mass spectrometry analysis of melanin granules in the human hair shaft. J Invest Dermatol 2004; 122:381-6. [PMID: 15009719 DOI: 10.1046/j.0022-202x.2004.22217.x] [Citation(s) in RCA: 45] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
The elemental composition of melanin granules and other components of the hair shaft was determined by multi-isotope imaging mass spectrometry, a method with unique advantages for the visualization and quantification of stable isotopes and the elemental composition in study of the fine structure of biologic samples. We mapped and quantified the chemical composition of hair cross-sections using secondary ions generated from naturally occurring 16O, 12C14N, 32S, and 34S with a maximum lateral resolution of 35 nm. Based on these elemental maps of unprecedented resolution we obtained simultaneously the chemical fingerprints and the structural features, such as cuticle, melanin granules, the macro fibrils of the cortex, and small sulfur-rich domains in the medulla, in the hair cross-section. We found an intriguing distribution of 16O, 12C14N, and 32S in melanin granules that we interpret as a highly anisotropic pattern of oxidation.
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Peteranderl R, Lechene C. Measure of carbon and nitrogen stable isotope ratios in cultured cells. JOURNAL OF THE AMERICAN SOCIETY FOR MASS SPECTROMETRY 2004; 15:478-485. [PMID: 15047053 DOI: 10.1016/j.jasms.2003.11.019] [Citation(s) in RCA: 47] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/20/2003] [Revised: 11/18/2003] [Accepted: 11/18/2003] [Indexed: 05/24/2023]
Abstract
We report the measurement of the natural isotope ratios of nitrogen and carbon in subcellular volumes of individual cells among a population of cultured cells using a multi-isotope imaging mass spectrometer (MIMS), [MIMS is the prototype of the NanoSIMS 50, Cameca, France.] We also measured the nitrogen and carbon isotope ratio in cells after they had been cultured in media enriched with the amino acid glycine labeled with either 13C or 15N. The results demonstrate that 13C/12C and 15N/14N isotope ratios can be measured directly on a subcellular scale. This opens the way for the use of stable isotopes, in particular 15N, as labels to measure the intracellular turnover of biomolecules. Such a capability should help resolve a wide range of biomedical problems.
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Affiliation(s)
- R Peteranderl
- Department of Medicine, Brigham and Women's Hospital and Harvard Medical School, Boston, Massachusetts 02139, USA
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Heard PJ, Feeney KA, Allen GC, Shewry PR. Determination of the elemental composition of mature wheat grain using a modified secondary ion mass spectrometer (SIMS). THE PLANT JOURNAL : FOR CELL AND MOLECULAR BIOLOGY 2002; 30:237-245. [PMID: 12000459 DOI: 10.1046/j.1365-313x.2001.01276.x] [Citation(s) in RCA: 28] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/23/2023]
Abstract
An imaging secondary ion mass spectrometry system has been developed that allows the distribution of elements or ions to be superimposed on an image of the plant cell or tissue generated by ion-induced secondary electrons. This system has been evaluated by analysing the aleurone and sub-aleurone cells of mature wheat grain, showing high spatial resolution (100-200 nm) images of O-, PO(2)-, Mg+, Ca+, Na+ and K+ within the phytate granules of the aleurone, with CN- being diagnostic for proteins and C(2)- being diagnostic for starch in the starchy endosperm cells. This system should provide improved localization of elements in a range of other plant systems.
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Affiliation(s)
- Peter J Heard
- Interface Analysis Centre, University of Bristol, Oldbury House, 121 St Michael's Hill, Bristol BS21 8BS, UK
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Chandra S. Studies of cell division (mitosis and cytokinesis) by dynamic secondary ion mass spectrometry ion microscopy: LLC-PK1 epithelial cells as a model for subcellular isotopic imaging. J Microsc 2001; 204:150-65. [PMID: 11737547 DOI: 10.1046/j.1365-2818.2001.00944.x] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
The feasibility of the renal epithelial LLC-PK1 cell line as a model for cell division studies with secondary ion mass spectrometry (SIMS) was tested. In this cell line, cells undergoing all stages of mitosis and cytokinesis remained firmly attached to the substrate and could be cryogenically prepared. Fractured freeze-dried mitotic cells showed well-preserved organelles as revealed by fluorescence imaging of rhodamine-123 and C6-NBD-ceramide by confocal laser scanning microscopy. Secondary electron microscopy analysis of fractured freeze-dried dividing cells revealed minimal surface topography that does not interfere in isotopic imaging of both positive (39K, 23Na, 24Mg, 40Ca, etc.) and negative (31P, 35Cl, etc.) secondaries with a CAMECA IMS-3f ion microscope. Mitotic cells revealed well-preserved intracellular ionic composition of even the most diffusible ions (total concentrations of 39K+ and 23Na+) as revealed by K : Na ratios of approximately 10. Structurally damaged mitotic cells could be identified by their reduced K : Na ratios and an excessive loading of calcium. Quantitative three-dimensional SIMS analysis was required for studying subcellular calcium distribution in dividing cells. The LLC-PK1 model also allowed SIMS studies of M-phase arrested cells with mitosis-arresting drugs (taxol, monastrol and nocodazole). This study opens new avenues of cell division research related to ion fluxes and chemical composition with SIMS.
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Affiliation(s)
- S Chandra
- Department of Chemistry and Chemical Biology, Cornell University, Ithaca, New York 14853-1301, USA.
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