Relevant bibliographies by topics / Isotopes calcium

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  1. Journal articles
  2. Dissertations / Theses
  3. Books
  4. Book chapters
  5. Conference papers
  6. Reports

Academic literature on the topic 'Isotopes calcium'

Author: Grafiati
Published: 25 May 2024
Last updated: 31 July 2025

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Journal articles on the topic "Isotopes calcium"

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Chandra, Subhash. "Imaging transported and endogenous calcium independently at a subcellular resolution: ion microscopy imaging of calcium stable isotopes." Proceedings, annual meeting, Electron Microscopy Society of America 50, no. 2 (1992): 1604–5. http://dx.doi.org/10.1017/s0424820100132650.

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Ion microscopy, based on secondary ion mass spectrometry (SIMS), is a unique isotopic imaging technique. The use of stable isotopes as tracers and their SIMS localization at a subcellular resolution has introduced a significant new approach for molecular localization and ion transport studies. A molecule of interest may be tagged with stable 2H, 13C, 15N, etc. and imaged with SIMS for its intracellular location. Stable isotopes of physiologically important elements such as calcium and magnesium provide excellent tracers for ion transport imaging studies with SIMS. in a recent study with 44Ca,
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Fujii, Y., J. Hoshi, H. Iwamoto, M. Okamoto, and H. Kakihana. "Calcium Isotope Effects in Ion Exchange Electromigration and Calcium Isotope Analysis by Thermo-Ionization Mass Spectrometry." Zeitschrift für Naturforschung A 40, no. 8 (1985): 843–48. http://dx.doi.org/10.1515/zna-1985-0807.

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Calcium ions were made to electromigrate along a cation exchange membrane. The abundance ratios of the calcium isotopes (Ca-40, 42, 43, 44, 48) in the migrated bands were measured by thermo-ionization mass spectrometry. The lighter isotopes were enriched in the front part of the migrated band. The increments in the isotope abundance ratios were found to be proportional to the mass differences of the isotopes. The observed e-values per unit mass difference (ε/ΔM) were 1.26 x 10-4 (at 20 °C), 1.85 x 10-4 (at 25 °C) and 2.4 x 10-4 (at 40 °C). The mass spectrometry was improved by using a low temp
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Yergey, Alfred L., Steven A. Abrams, Nancy E. Vieira, Richard Eastell, Laura S. Hillman, and David G. Covell. "Recent studies of human calcium metabolism using stable isotopic tracers." Canadian Journal of Physiology and Pharmacology 68, no. 7 (1990): 973–76. http://dx.doi.org/10.1139/y90-147.

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Stable isotopes of calcium are used safely as tracers for calcium in human populations ranging in age from infants to postmenopausal women. Thermal ionization mass spectrometry is used to measure calcium isotope ratios with relative accuracies of about 1% for natural abundance ratios at precisions of about 1% relative to the mean. Perturbations of natural abundance ratios are determined for the calcium in blood, urine, and feces with a limit of detection of about 2 Δ% excess. The mathematical rationale for clinical studies of fractional absorption of dietary calcium and the kinetics of calcium
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Zhao, Hongyu, and Junhua Huang. "Characteristics of Calcium Isotopes at Different Water Depths and Their Palaeoenvironmental Significance for Carbonate Rocks of the Permian-Triassic Boundary in Chibi, Southern China." Minerals 12, no. 11 (2022): 1440. http://dx.doi.org/10.3390/min12111440.

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Calcium isotopes of carbonate rocks can trace calcium cycles and record changes in the marine environment. As published calcium isotope profiles of carbonate rocks at the Permian-Triassic boundary are rare, comparative studies on deep-water profiles were lacking for the major extinction event that occurred during this time. We present sections of different water depths in the Chibi area of southern China that we have selected for a comparative study. We analyzed carbon isotopes, calcium isotopes, as well as major and trace elements of carbonates from two sections (Chibi North and Chibi West) t
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Han, Guilin, Anton Eisenhauer, Jie Zeng, and Man Liu. "Calcium Biogeochemical Cycle in a Typical Karst Forest: Evidence from Calcium Isotope Compositions." Forests 12, no. 6 (2021): 666. http://dx.doi.org/10.3390/f12060666.

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In order to better constrain calcium cycling in natural soil and in soil used for agriculture, we present the δ44/40Ca values measured in rainwater, groundwater, plants, soil, and bedrock samples from a representative karst forest in SW China. The δ44/40Ca values are found to differ by ≈3.0‰ in the karst forest ecosystem. The Ca isotope compositions and Ca contents of groundwater, rainwater, and bedrock suggest that the Ca of groundwater primarily originates from rainwater and bedrock. The δ44/40Ca values of plants are lower than that of soils, indicating the preferential uptake of light Ca is
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Chalk, Thomas B., and Claire Rollion-Bard. "Boron Proxies: From Calcification Site pH to Cenozoic pCO2." Elements 21, no. 2 (2025): 98–104. https://doi.org/10.2138/gselements.21.2.98.

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The atmospheric partial pressure of CO2 (pCO2) is the key driver of climate variability. Boron isotopic compositions (δ11B) of marine calcium carbonates reveal pCO2 of the geologic past because boron isotope incorporation is sensitive to seawater pH, which closely reflects atmospheric pCO2. Biocarbonate δ11B values record environmental pH through a metabolic prism (so called “vital effects”), sometimes complicating interpretations. However, biocarbonate boron isotopes, coupled with boron concentrations (B/Ca), can also reveal the processes of calcification. Here, we review the link between sea
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Gordon, Gwyneth W., Jorge Monge, Melanie B. Channon, et al. "Calcium Isotopic Composition and Its Association With Multiple Myeloma Disease Activity." Blood 122, no. 21 (2013): 3157. http://dx.doi.org/10.1182/blood.v122.21.3157.3157.

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Abstract Multiple myeloma (MM) is characterized by clonal proliferation of a neoplastic plasma cell and its production of a monoclonal immunoglobulin; evolving from an asymptomatic pre-malignant stage named monoclonal gammopathy of undetermined significance (MGUS). At the time of diagnosis with MM, lytic lesions are present in approximately 70-80% of patients. Lytic lesions increase the risk for skeletal related events as well as treatment costs, while lowering quality of life and overall survival. Metastatic bone surveys underestimate bone disease since plain radiographs demonstrate abnormali
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Oi, Takao, Kunihiko Sato, and Kazuki Umemoto. "Oxygen and Hydrogen Isotopic Preference in Hydration Spheres of Magnesium and Calcium Ions." Zeitschrift für Naturforschung A 68, no. 5 (2013): 362–70. http://dx.doi.org/10.5560/zna.2012-0122.

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Molecular orbital calculations were performed to estimate the 18O/16O and D/H isotopic reduced partition function ratios (rpfrs) of water molecules around magnesium and calcium ions. As model for water molecules in the ith hydration sphere of the cation in aqueous solutions containing that cation, we considered water molecules in the ith hydration sphere that were surrounded by water molecules in the (i+1)th hydration sphere in clusters, M2+(H2O)n (M = Mg or Ca; n up to 100). The calculations indicated that the decreasing order of the 18O preference over 16O in the primary hydration sphere is
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Schwarzschild, Bertram M. "Weighing exotic calcium isotopes." Physics Today 66, no. 9 (2013): 15–17. http://dx.doi.org/10.1063/pt.3.2104.

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Amsellem, Elsa, Frédéric Moynier, Hervé Bertrand, et al. "Calcium isotopic evidence for the mantle sources of carbonatites." Science Advances 6, no. 23 (2020): eaba3269. http://dx.doi.org/10.1126/sciadv.aba3269.

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The origin of carbonatites—igneous rocks with more than 50% of carbonate minerals—and whether they originate from a primary mantle source or from recycling of surface materials are still debated. Calcium isotopes have the potential to resolve the origin of carbonatites, since marine carbonates are enriched in the lighter isotopes of Ca compared to the mantle. Here, we report the Ca isotopic compositions for 74 carbonatites and associated silicate rocks from continental and oceanic settings, spanning from 3 billion years ago to the present day, together with O and C isotopic ratios for 37 sampl
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Dissertations / Theses on the topic "Isotopes calcium"

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Valdes, Maria. "Geochemistry and Cosmochemistry of Calcium Stable Isotopes." Doctoral thesis, Universite Libre de Bruxelles, 2018. http://hdl.handle.net/2013/ULB-DIPOT:oai:dipot.ulb.ac.be:2013/276866.

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Calcium (Ca) is the fifth most abundant element in the rocky planets. As a lithophile, refractory element, Ca does not partition into planetary cores nor is it volatilized during planetary accretion. These characteristics make Ca ideal for investigating the earliest stages of planetary formation and the subsequent chemical evolution of planetary mantles and crusts. This thesis presents observations of and explores the mechanisms involved in high-temperature mass-dependent Ca isotope fractionation in terrestrial, lunar, and meteoritic material. Chapter 1 reports Ca isotope fractionation among a
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Tacail, Théo. "Physiologie isotopique du Calcium chez les mammifères." Thesis, Lyon, 2017. http://www.theses.fr/2017LYSEN071/document.

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L’environnement et la physiologie déterminent les compositions isotopiques du Ca de l’organisme des vertébrés et des mammifères en particulier. Ces constats ont permis de dégager des applications possibles de l’étude des isotopes du Ca, en biologie médicale pour le suivi de l’équilibre osseux chez les mammifères et en (paléo-)écologie pour l’étude des régimes alimentaires actuels et passés des vertébrés. Ces applications sont tributaires d’une meilleure compréhension fondamentale des causes de ces variations. Cette thèse a pour but de déterminer les principales causes de variabilité des compos
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Ramos, João Pedro Fernandes. "Effect of calcium oxide microstructure on the diffusion of isotopes." Master's thesis, Universidade de Aveiro, 2012. http://hdl.handle.net/10773/8187.

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Mestrado em Ciência e Engenharia de Materiais<br>Calcium oxide (CaO) powder targets have been successfully used at CERN-ISOLDE to produce neutron deficient exotic argon and carbon isotopes under proton irradiation at high temperatures (>1000oC). These targets outperform the other related targets for the production of the same beams. However, they presented either slow release rates (yields) from the beginning or a rapid decrease over time. This problem was believed to come from the target microstructure degradation, justifying the material investigation. In order to do so, the synthesis, reac
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Schmitt, Anne-Désirée. "Les isotopes du calcium : Développements analytiques.Application au bilan océanique présent et passé." Université Louis Pasteur (Strasbourg) (1971-2008), 2003. http://www.theses.fr/2003STR13077.

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Le calcium est le cinquième élément le plus abondant de la Terre silicatée. Son intérêt découle de son abondance dans la croûte terrestre et de l'existence d'une grande quantité de minéraux le contenant. Un fractionnement maximum, dont les causes précises ne sont pas connues, de 1,3 œ par u. M. A a été mesuré à ce jour. Le travail réalisé durant ce doctorat s'intègre à ces nouvelles études sur les isotopes du Ca. Un protocole de mesure permettant de s'affranchir du fractionnement instrumental a tout d'abord été développé au Centre de Géochimie de la Surface. Après séparation chimique sur résin
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Bradbury, Harold John. "Calcium isotope insight into the global carbon cycle." Thesis, University of Cambridge, 2018. https://www.repository.cam.ac.uk/handle/1810/273425.

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Over the course of my PhD, I developed the analytical capability to measure calcium isotopes at the University of Cambridge and analyzed calcium isotopes in a range of fluids and minerals in modern and past environments. After discussing my methodological development, I report my work in the glacial precursor to the Dead Sea. Here, the calcium isotope composition of aragonite varies synchronously with lake level fluctuations over the last 70,000 years. My numerically reconstructed lake calcium budget led me to conclude that 20,000 years ago, the Dead Sea was wetter than modern conditions, rath
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Perez, Fernandez Andrea. "Etude expérimentale sur l'échange isotopique dans le système eau-roches carbonatées." Thesis, Toulouse 3, 2017. http://www.theses.fr/2017TOU30398.

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Les signatures isotopiques des minéraux carbonatés sont utilisées pour caractériser de nombreux processus géochimiques. Cette thèse a pour but de déterminer les vitesses auxquelles ces signatures isotopiques peuvent être altérées lors des interactions entre les fluides et les minéraux. A cette fin, une série d'études expérimentales a été conduite avec la dolomite (CaMg(CO3)2), la magnésite (MgCO3) et la calcite (CaCO3). On a mesuré l'évolution temporelle des compositions isotopiques de Ca et Mg pendant une série d'expériences de dissolution en réacteur fermé de la dolomite à des températures d
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Brazier, Jean-Michel. "Rôle des phases minérales des sols en tant que réservoirs de nutriments : approche expérimentale (abiotique), en milieu naturel et multi-isotopique (isotopes stables Ca-Sr)." Thesis, Strasbourg, 2018. http://www.theses.fr/2018STRAH005/document.

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Ce travail de thèse a appréhendé les mécanismes de stockage/libération, d’un point de vue élémentaire et isotopique, du calcium (Ca) et du strontium (Sr) sur ou dans des phases minérales communes des sols (minéraux primaires, minéraux argileux, oxy-hydroxydes, carbonate pédogénétiques). Une méthode de mesure robuste du δ88Sr a dû être développée et validée par la mesure de matériaux de références internationaux, pour la plupart jamais mesuré dans la littérature. Les résultats montrent que l’adsorption du Ca sur des minéraux phyllosilicatés génère un fractionnement isotopique par prélèvement pr
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Blättler, Clara L. "Applications of calcium isotopes in marine carbonates in the Recent and Phanerozoic." Thesis, University of Oxford, 2012. http://ora.ox.ac.uk/objects/uuid:9f2ce280-c7b9-43cc-8aaf-4aaac058d350.

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The applications of calcium-isotope measurements in marine carbonates are explored in several different contexts within this thesis. As a record of global ion fluxes, seawater calcium-isotope ratios can be used as tracers for large weathering imbalances, which develop as a feedback system in response to intervals of climate change. This approach provides valuable constraints on the complex climatic and oceanographic phenomena known as the Oceanic Anoxic Events. Over much longer timescales, the calcium-isotope ratio of seawater is influenced by steady-state processes that reflect the evolution
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Griffith, Elizabeth Morris. "Seawater calcium isotopes and the cenozoic carbonate depositional history of the oceans /." May be available electronically:, 2008. http://proquest.umi.com/login?COPT=REJTPTU1MTUmSU5UPTAmVkVSPTI=&clientId=12498.

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Drouet, Thomas. "Etude de l'origine du calcium dans les écosystèmes forestiers par les méthodes de géochimie et de dendrochime isotopiques du strontium." Doctoral thesis, Universite Libre de Bruxelles, 2005. http://hdl.handle.net/2013/ULB-DIPOT:oai:dipot.ulb.ac.be:2013/210940.

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Books on the topic "Isotopes calcium"

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M, Imamura, and United States. National Aeronautics and Space Administration., eds. Measurements of proton-induced production cross sections for ³⁶Cl from Ca and K. National Aeronautics and Space Administration, 1998.

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Gussone, Nikolaus, Anne-Desiree Schmitt, Alexander Heuser, et al. Calcium Stable Isotope Geochemistry. Springer Berlin Heidelberg, 2016. http://dx.doi.org/10.1007/978-3-540-68953-9.

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Köhler-Langes, Florian. The Electron Mass and Calcium Isotope Shifts. Springer International Publishing, 2017. http://dx.doi.org/10.1007/978-3-319-50877-1.

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K, Kyser T., United States. Dept. of Energy. Nevada Operations Office., and Geological Survey (U.S.), eds. Uranium, thorium isotopic analyses and uranium-series ages of calcite and opal, and stable isotopic compositions of calcite from drill cores UE25a#1, USW G-2 and USW G-3/GU-3, Yucca Mountain, Nevada. U.S. Dept. of the Interior, Geological Survey, 1985.

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K, Kyser T., United States. Dept. of Energy. Nevada Operations Office., and Geological Survey (U.S.), eds. Uranium, thorium isotopic analyses and uranium-series ages of calcite and opal, and stable isotopic compositions of calcite from drill cores UE25a#1, USW G-2 and USW G-3/GU-3, Yucca Mountain, Nevada. U.S. Dept. of the Interior, Geological Survey, 1985.

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1968-, Baker Andy, ed. Speleothem science: From process to past environments. Wiley, 2012.

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Griffith, Elizabeth, and Matthew Fantle. Calcium Isotopes. Cambridge University Press, 2020.

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Griffith, Elizabeth, and Matthew Fantle. Calcium Isotopes. Cambridge University Press, 2021.

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Griffith, Elizabeth M., and Matthew S. Fantle. Calcium Isotopes. Cambridge University Press, 2020.

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Schmitt, Anne-Desirée, Nikolaus Gussone, Florian Böhm, Alexander Heuser, and Frank Wombacher. Calcium and Magnesium Stable Isotope Chemistry. Springer Berlin / Heidelberg, 2016.

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Book chapters on the topic "Isotopes calcium"

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Farkaš, Juraj. "Calcium Isotopes." In Encyclopedia of Earth Sciences Series. Springer International Publishing, 2016. http://dx.doi.org/10.1007/978-3-319-39193-9_237-1.

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Farkaš, Juraj. "Calcium Isotopes." In Encyclopedia of Earth Sciences Series. Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-319-39312-4_237.

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Heuser, Alexander. "Biomedical Application of Ca Stable Isotopes." In Calcium Stable Isotope Geochemistry. Springer Berlin Heidelberg, 2016. http://dx.doi.org/10.1007/978-3-540-68953-9_8.

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Nielsen, Laura C., Jennifer L. Druhan, Wenbo Yang, Shaun T. Brown, and Donald J. DePaolo. "Calcium Isotopes as Tracers of Biogeochemical Processes." In Advances in Isotope Geochemistry. Springer Berlin Heidelberg, 2011. http://dx.doi.org/10.1007/978-3-642-10637-8_7.

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Salazar-García, Domingo C., Christina Warinner, Jelmer W. Eerkens, and Amanda G. Henry. "The Potential of Dental Calculus as a Novel Source of Biological Isotopic Data." In Exploring Human Behavior Through Isotope Analysis. Springer International Publishing, 2023. http://dx.doi.org/10.1007/978-3-031-32268-6_6.

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AbstractStable isotope analysis has become an essential tool in investigations of ancient migration and paleodietary reconstruction. Because the biogeochemistry of bone collagen and apatite is well known, current methods rely almost exclusively on analyses of bones and teeth; however, dental calculus represents a potentially additional biological source of isotopic data from ancient skeletons. Dental calculus is a mineralized bacterial biofilm that forms on the surfaces of teeth. Sampling dental calculus does not damage the dentition and thus can be used in cases where it is not possible to pe
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DePaolo, Donald J. "8. Calcium Isotopic Variations Produced by Biological, Kinetic, Radiogenic and Nucleosynthetic Processes." In Geochemistry of Non-Traditional Stable Isotopes, edited by Clark M. Johnson, Brian L. Beard, and Francis Albarède. De Gruyter, 2004. http://dx.doi.org/10.1515/9781501509360-011.

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Floren, T., and E. Werner. "Assessment of Stable Isotopes of Calcium for the Measurement of Intestinal Calcium Absorption." In Generalized Bone Diseases. Springer Berlin Heidelberg, 1987. http://dx.doi.org/10.1007/978-3-642-73346-8_14.

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Pfahler, V., J. Adu-Gyamfi, A. Watzinger, and F. Tamburini. "Modifications and Issues During Purification." In Oxygen Isotopes of Inorganic Phosphate in Environmental Samples. Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-030-97497-8_4.

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AbstractDepending on the extract, it is necessary to modify the purification protocol slightly. Each sample is different and despite a thorough testing of the purification protocol, issues might occur. The three modifications suggested include (1) adjustments in pH, (2) magnesium ammonium phosphate (MAP) precipitation and (3) reductions, prior to A1, of cations like iron (Fe), silica (Si) and calcium (Ca) which could cause interferences during the purification process. Some of the major issues often encountered are (1) no APM precipitation due to the presence of high carbonate concentrations,
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Jin, Meng, and Dong Feng. "Non-traditional Stable Isotope Geochemistry of Seep Deposits." In South China Sea Seeps. Springer Nature Singapore, 2023. http://dx.doi.org/10.1007/978-981-99-1494-4_10.

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AbstractNon-traditional stable isotope geochemistry is a useful tool for revealing element migration, transformation and circulation in geological processes. A series of biogeochemical processes result in special and variable sedimentary environments in seep systems. Many elements are impacted and involved in different biogeochemical processes in seep systems, especially the formation of authigenic minerals, making seep deposits archives for studying elemental and isotopic behaviors in natural environments. Iron (Fe) and molybdenum (Mo) are involved in the formation of pyrite, and magnesium (M
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Dainty, Jack R., and Tom E. Fox. "Modeling in Nutrition. The Metabolism of Selenium, Copper, Zinc and Calcium Using Stable Isotopes in Humans." In Handbook of Elemental Speciation II - Species in the Environment, Food, Medicine and Occupational Health. John Wiley & Sons, Ltd, 2005. http://dx.doi.org/10.1002/0470856009.ch3b.

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Conference papers on the topic "Isotopes calcium"

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Nielsen Lammers, Laura, and Jennifer Mills. "Insights into calcite growth inhibition mechanisms from calcium isotopes." In Goldschmidt2021. European Association of Geochemistry, 2021. http://dx.doi.org/10.7185/gold2021.5415.

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Smart, Katie, Sebastian Tappe, Alan Woodland, Chris Harris, Nikolaus Gussone, and Antonio Simonetti. "Calcium isotopes in cratonic mantle eclogites." In Goldschmidt2021. European Association of Geochemistry, 2021. http://dx.doi.org/10.7185/gold2021.6051.

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Tanaka, U., H. Matsunishi, I. Morita, and S. Urabe. "Isotope-selective ion-trapping and sympathetic cooling of rare calcium isotopes." In International Quantum Electronics Conference, 2005. IEEE, 2005. http://dx.doi.org/10.1109/iqec.2005.1560826.

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Hostettler, E., Jaime Barnes, John Lassiter, et al. "Calcium Isotopes as Fluid Tracers during Rodingtization." In Goldschmidt2022. European Association of Geochemistry, 2022. http://dx.doi.org/10.46427/gold2022.9652.

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Fantle, Matthew, and Benjamin Barnes. "Calcium isotopes' place in the diagenetic toolbox." In Goldschmidt2021. European Association of Geochemistry, 2021. http://dx.doi.org/10.7185/gold2021.7789.

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Stefanini, A. M. "Fusion of calcium isotopes and of nearby systems." In NUCLEAR STRUCTURE AND DYNAMICS 2012. AIP, 2012. http://dx.doi.org/10.1063/1.4764261.

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Bushaw, B. A., F. Juston, W. Nörtershäuser, N. Trautmann, P. Voss-de-Haan, and K. Wendt. "Ultratrace Analysis of Calcium with High Isotopic Selectivity by Resonance Ionization Mass Spectrometry." In Laser Applications to Chemical and Environmental Analysis. Optica Publishing Group, 1996. http://dx.doi.org/10.1364/lacea.1996.lfb.7.

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Using resonance ionization mass spectrometric techniques (RIMS) for ultratrace analysis has a number of advantages over conventional techniques: 1. Extremely high sensitivity in the fg to ag range per sample is possible with the high cross sections for optical excitation. 2. Ultrahigh elemental and isotopic selectivity is achieved by the uniqueness of the optical resonance lines of individual elements and isotopes. 3. Background is strongly suppressed by subsequent mass spectrometry. Unfortunately, the application of the technique is complicated by the complexity of the experimental set-up, pa
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TARASOV, O. B., D. J. MORRISSEY, A. M. AMTHOR, et al. "PRODUCTION OF NEUTRON-RICH ISOTOPES IN THE CALCIUM REGION." In Proceedings of the International Symposium. WORLD SCIENTIFIC, 2013. http://dx.doi.org/10.1142/9789814508865_0037.

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Jones, David S., R. William Brothers, and John A. Higgins. "CALCIUM ISOTOPES, SEAWATER DIAGENESIS, AND END ORDOVICIAN EARTH HISTORY." In GSA Annual Meeting in Denver, Colorado, USA - 2016. Geological Society of America, 2016. http://dx.doi.org/10.1130/abs/2016am-280549.

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Fu, Hairuo, Stein Jacobsen, Bjørn Larsen, and Zachary Eriksen. "Calcium-isotopes as a robust tracer of magmatic differentiation." In Goldschmidt2022. European Association of Geochemistry, 2022. http://dx.doi.org/10.46427/gold2022.12513.

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Reports on the topic "Isotopes calcium"

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Slack, William, Anthony Bednar, and K. Killgore. Development of a trace element signature library across a large watershed for assessing large-scale fish movement patterns : supplemental data. Engineer Research and Development Center (U.S.), 2025. https://doi.org/10.21079/11681/49787.

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Utilizing trace element or stable isotope analysis has proven to be an effective means to characterize early life history and large-scale movement patterns in fishes. Target species are assessed for analyte concentrations occurring in calcified hard structures and compared to signatures noted from associated watersheds. Our objective was to establish a trace element signature profile for major tributaries occurring within the Mississippi River Valley (MRV). Unfiltered water samples were obtained from 49 stations from Dubuque, IA downstream to Gramercy, LA (1387 river miles) from July through D
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Scanlan, E. J., M. Leybourne, D. Layton-Matthews, A. Voinot, and N. van Wagoner. Alkaline magmatism in the Selwyn Basin, Yukon: relationship to SEDEX mineralization. Natural Resources Canada/CMSS/Information Management, 2021. http://dx.doi.org/10.4095/328994.

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Several sedimentary exhalative (SEDEX) deposits have alkaline magmatism that is temporally and spatially associated to mineralization. This report outlines interim data from a study of potential linkages between magmatism and SEDEX mineralization in the Selwyn Basin, Yukon. This region is an ideal study site due to the close spatial and temporal relationships between SEDEX deposits and magmatism, particularly in the MacMillan Pass, where volcanic rocks have been drilled with mineralization at the Boundary deposit. Alkaline volcanic samples were analysed from the Anvil District, MacMillan Pass,
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B.D. Marshall and K. Futa. STRONTIUM ISOTOPE EVOLUTION OF PORE WATER AND CALCITE IN THE TOPOPAH SPRING TUFF, YUCCA MOUNTAIN , NEVADA. Office of Scientific and Technical Information (OSTI), 2001. http://dx.doi.org/10.2172/860281.

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B.D. Marshall and J.F. Whelan. Isotope Geochemistry of Calcite Coatings and the Thermal History of the Unsaturated Zone at Yucca Mountain, Nevada. Office of Scientific and Technical Information (OSTI), 2000. http://dx.doi.org/10.2172/840662.

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Kirby, Stefan M., J. Lucy Jordan, Janae Wallace, Nathan Payne, and Christian Hardwick. Hydrogeology and Water Budget for Goshen Valley, Utah County, Utah. Utah Geological Survey, 2022. http://dx.doi.org/10.34191/ss-171.

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Goshen Valley contains extensive areas of agriculture, significant wetlands, and several small municipalities, all of which rely on both groundwater and surface water. The objective of this study is to characterize the hydrogeology and groundwater conditions in Goshen Valley and calculate a water budget for the groundwater system. Based on the geologic and hydrologic data presented in this paper, we delineate three conceptual groundwater zones. Zones are delineated based on areas of shared hydrogeologic, geochemical, and potentiometric characteristics within the larger Goshen Valley. Groundwat
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B. Peterman and R. Moscati. Calcite Fluid Inclusion, Paragenetic, and Oxygen Isotopic Records of Thermal Event(s) at Yucca Mountain, Nevada. Office of Scientific and Technical Information (OSTI), 2000. http://dx.doi.org/10.2172/840694.

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7

Kontak, D. J., S. Paradis, Z. Waller, and M. Fayek. Petrographic, fluid inclusion, and secondary ion mass spectrometry stable isotopic (O, S) study of Mississippi Valley-type mineralization in British Columbia and Alberta. Natural Resources Canada/CMSS/Information Management, 2022. http://dx.doi.org/10.4095/327994.

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A comprehensive study of Mississippi Valley-type base-metal deposits across the Canadian Cordillera was done to compare and contrast their features. Extensive dissolution of host rocks is followed by multiple generations of dolomite cements from early, low-temperature, fine-grained to coarser, higher temperature types that overlap with Zn-Pb sulfide minerals; late-stage calcite occludes residual porosity. Dolomite is generally chemically stoichiometric, but ore-stage types are often rich in Fe (&amp;amp;lt;1.3 weight per cent FeO) with small sphalerite inclusions. Sphalerite-hosted fluid inclu
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Shenker, Moshe, Paul R. Bloom, Abraham Shaviv, et al. Fate of Phosphorus Originated from Treated Wastewater and Biosolids in Soils: Speciation, Transport, and Accumulation. United States Department of Agriculture, 2011. http://dx.doi.org/10.32747/2011.7697103.bard.

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Beneficial use of reclaimed wastewater (RW) and biosolids (BS) in soils is accompanied by large input of sewage-originated P. Prolonged application may result in P accumulation up to levelsBeneficial use of reclaimed wastewater (RW) and biosolids (BS) in soils is accompanied by large input of sewage-originated P. Prolonged application may result in P accumulation up to levels that impair plant nutrition, increase P loss, and promote eutrophication in downstream waters. This study aims to shed light on the RW- and BS-P forms in soils and to follow the processes that determine P reactivity, solu
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Kingston, A. W., and O. H. Ardakani. Diagenetic fluid flow and hydrocarbon migration in the Montney Formation, British Columbia: fluid inclusion and stable isotope evidence. Natural Resources Canada/CMSS/Information Management, 2022. http://dx.doi.org/10.4095/330947.

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The Montney Formation in Alberta and British Columbia, Canada is an early Triassic siltstone currently in an active diagenetic environment at depths greater than 1,000 m, but with maximum burial depths potentially exceeding 5,000 m (Ness, 2001). It has undergone multiple phases of burial and uplift and there is strong evidence for multiple generations of hydrocarbon maturation/migration. Understanding the origin and history of diagenetic fluids within these systems helps to unravel the chemical changes that have occurred since deposition. Many cores taken near the deformation front display abu
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