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*  Calcium isotope fractionation in ikaite and vaterite - ePIC
Gussone, N. , Nehrke, G. and Teichert, B. M. A. (2011): Calcium isotope fractionation in ikaite and vaterite , Chemical Geology ...
http://epic.awi.de/22825/
*  Radioactive Calcium Isotope 54Ca: Evidence For A New Nuclear Magic Number | Science 2.0
Radioactive Calcium Isotope 54Ca: Evidence For A New Nuclear Magic Number. By News Staff , October 9th 2013 01:57 PM , Print , ... A team of researchers from has provided evidence for a new nuclear magic number in the unstable, radioactive calcium isotope ... which they were able to study at the Radioactive Isotope Beam Factory (RIBF) at RIKEN, which produces the highest intensity ...
http://www.science20.com/news_articles/radioactive_calcium_isotope_54ca_evidence_new_nuclear_magic_number-122086
*  Amorphous Calcium Carbonate (Acc) Versus Crystalline Calcium Carbonate (Ccc) Using Stable Calcium Isotopes In Postmenopausal...
Amorphous Calcium Carbonate (Acc) Versus Crystalline Calcium Carbonate (Ccc) Using Stable Calcium Isotopes In Postmenopausal ... Mean change in fractional absorption of calcium from amorphous calcium carbonate (ACC) Vs. crystalline calcium carbonate (CCC ... Versus Crystalline Calcium Carbonate (Ccc) Using Stable Calcium Isotopes In Postmenopausal Women. ... versus crystalline calcium carbonate (CCC) using stable calcium isotopes in postmenopausal women. ...
https://clinicaltrials.gov/ct2/show/NCT01338142?recr=Open&intr=dietary+calcium&rank=9
*  Stable isotope profiles (Ca, O, C) through modern brachiopod shells of T. septentrionalis and G. vitreus: Implications for...
... and carbon isotopes as well as elemental concentration were measured. Calcium isotopes were analyzed on TIMS. The elemental ... However, in the light of the suggested 0.7‰ increase in calcium isotopes over the Phanerozoic such intra-specimen variations ... Studies, focused on oxygen and carbon isotopes over the last decades, are increasingly extending to the emerging calcium ... Implications for calcium isotope paleo-ocean chemistry. In: Chemical Geology, Vol. 269, Nr. 3-4: S. 210-219 ...
https://epub.ub.uni-muenchen.de/18781/index.html
*  Calcium-44 Carbonate Isotope | AMERICAN ELEMENTS ®
Calcium-44 Carbonate Isotope 44CaCO3 bulk & research qty manufacturer. Properties, SDS, Applications, Price. Free samples ... About Calcium-44 Carbonate Isotope. Calcium 44 Carbonate (Calcium-44) is a stable (non-radioactive) isotope of Calcium. It is ... Customers For Calcium-44 Carbonate Isotope Have Also Viewed. Calcium-44 Metal Isotope ... Calcium-44 Carbonate Isotope Synonyms. Enriched calcium carbonate, Calcium-44Ca carbonate, Labeled ca-44 carbonate, 44CaCO3, ...
https://www.americanelements.com/calcium-44-carbonate-isotope-14255-03-9
*  Stable Calcium Isotopes in Urine as a Biomarker of Bone Mineral Balance in Spaceflight - Data.gov
Stable Calcium Isotopes in Urine as a Biomarker of Bone Mineral Balance in Spaceflight Metadata Updated: February 28, 2019 ... Stable Calcium Isotopes in Urine as a Biomarker ...HTML Techport Project JSON Metadata ... Stable Calcium Isotopes in Urine as a Biomarker ...HTML Techport Project XML Metadata ... Stable Calcium Isotopes in Urine as a Biomarker ...HTML Techport Project PDF Export ...
https://catalog.data.gov/dataset/stable-calcium-isotopes-in-urine-as-a-biomarker-of-bone-mineral-balance-in-spaceflight
*  Isotopes of calcium - Wikipedia
Calcium (20Ca) has 24 isotopes, from 34Ca to 57Ca. There are five stable isotopes (40Ca, 42Ca, 43Ca, 44Ca and 46Ca), plus one ... Calcium also has a cosmogenic isotope, radioactive 41Ca, which has a half-life of 102,000 years. Unlike cosmogenic isotopes ... All other calcium isotopes have half-lives of 163 days or less, most under a minute. The least stable is 34Ca with a half-life ... Calcium isotopes data from The Berkeley Laboratory Isotopes Project's. ...
https://en.wikipedia.org/wiki/Isotopes_of_calcium
*  Chemistry Clip Art: Bohr Diagrams for Atoms and Isotopes, Hydrogen to Calcium
Included in this download: - Set 1: blank Bohr diagrams for the 45 stable isotopes of the first 20 elements. - Set 2: Bohr ... Included in this download: - Set 1: blank Bohr diagrams for the 45 stable isotopes of the first 20 elements. - Set 2: Bohr ... Chemistry Clip Art: Bohr Diagrams for Atoms and Isotopes, Hydrogen to Calcium. ... The preview file is a .zip file containing six 6 sample images for one isotope of oxygen. Terms of Use. - You may use the ...
https://www.teacherspayteachers.com/Product/Chemistry-Clip-Art-Bohr-Diagrams-for-Atoms-and-Isotopes-Hydrogen-to-Calcium-1185361
*  Researchers discover heaviest known calcium atom; eight new rare isotopes discovered in total
Researchers from Michigan State University and the RIKEN Nishina Center in Japan discovered eight new rare isotopes of the ... elements phosphorus, sulfur, chlorine, argon, potassium, scandium and, most importantly, calcium. ... The calcium isotopes are indicated from the last stable calcium-48 out to calcium isotopes that can only be reached with FRIB. ... were calcium-59 and calcium-60, which are now the most neutron-laden calcium isotopes known to science. The nucleus of calcium- ...
https://phys.org/news/2018-07-heaviest-calcium-atom-rare-isotopes.html
*  Nuclear physics - Latest research and news | Nature
Proton superfluidity and charge radii in proton-rich calcium isotopes Spectral study on 36,37,38Ca isotopes and calculations ... Zirconium isotope found to be a neutron poison Zirconium alloys are widely used as cladding material in nuclear reactors due to ... The magnetic moment of the neutron-rich exotic 75Cu nucleus is measured using rare isotope beams with a high spin alignment, ... Now, it is shown that 88Zr has a surprisingly high neutron capture cross-section exceeding that of other zirconium isotopes by ...
http://www.nature.com/subjects/nuclear-physics?error=cookies_not_supported&code=48e14b06-0f38-4a16-b231-4b33806782d4
*  Scientists and NASA astronauts developing near real-time osteoporosis and bone cancer test
The functionality of the test, which measures changes in calcium isotope ratios, has been validated ... ... can discern the relative ratios of the calcium isotopes 42Ca and 44Ca in bone. The researchers found that lighter calcium ... Explore further: Researchers use calcium isotope analysis to predict myeloma progression Provided by: European Association of ... Researchers use calcium isotope analysis to predict myeloma progression. August 12, 2014 A team of researchers from Arizona ...
https://medicalxpress.com/news/2015-08-scientists-nasa-astronauts-real-time-osteoporosis.html
*  Does Omeprazole Decrease Intestinal Calcium Absorption? - Full Text View - ClinicalTrials.gov
Fractional Calcium Absorption. Omeprazole. Stable Calcium Isotopes. Proton Pump Inhibitor. Intestinal Absorption of Calcium. ... Change in Intestinal Calcium Absorption From Baseline to One Month [ Time Frame: change in calcium absorption from baseline to ... Over the next 24 hours, we will collect all urine for measurement of its calcium content. During the first stay, we will ... Calcium, Dietary. Omeprazole. Bone Density Conservation Agents. Physiological Effects of Drugs. Anti-Ulcer Agents. ...
https://clinicaltrials.gov/show/NCT00582972
*  Pagina 1 56 Recursos 1 20 Datasets With Pangaea Technical Keyword @tahiti310 Pangaea Publishing Network For Geoscientific &...
Calcium isotope fractionation in cultured, modern and fossil scleractinian coral skeleton Pretet, Chloé; Samankassou, Elias; ... Calcium isotope fractionation in cultured, modern and fossil scleractinian coral skeleton Pretet, Chloé; Samankassou, Elias; ... Calcium isotope fractionation in cultured, modern and fossil scleractinian coral skeleton Pretet, Chloé; Samankassou, Elias; ... parameters on calcium isotope fractionation (d44/40Ca) in scleractinian coral skeleton to better constrain this record. ...
http://biblioteca.universia.net/html_bura/verColeccion/params/id/35374.html
*  Ion ping pong reveals forces in atomic nuclei
Using this method the team was the first to determine the masses of the artificially produced isotopes calcium-53 and calcium- ... Masses of exotic calcium isotopes pin down nuclear forces. F. Wienholtz, D. Beck, K. Blaum, Ch. Borgmann, M. Breitenfeldt, R.B ... This was the breakthrough, which allowed the confirmation of the predictions for the exotic calcium isotopes of the Darmstadt ... Calculations at the Jülich Supercomputing Centre enabled them to predict the masses of much heavier calcium isotopes. Besides ...
https://idw-online.de/de/news539611
*  Search of: Recruiting, Not yet recruiting, Available Studies | 'Osteoporosis' - List Results - ClinicalTrials.gov
calcium isotope ratio δ44/40Ca in urine. *the natural calcium isotope ratio δ44/40Ca in urine and serum (δ44/40Ca urine x serum ... Study on the Predictive Value of the Natural Calcium Isotope Ratio in Urine and Serum for the Diagnosis of Osteoporosis. * ... turnover rate of calcium. 100. Female. 50 Years to 75 Years (Adult, Senior). NCT02967978. GEO-Osteo-2016. November 2016. April ... The Deferasirox-calcium-vitamin D3 Therapy for Postmenopausal Osteoporosis (PMOP). *Postmenopausal Osteoporosis ...
https://clinicaltrials.gov/ct2/results?recr=Open&cond=%22Osteoporosis%22&show_flds=Y
*  Permian-Triassic extinction event - Wikipedia
"Calcium isotope constraints on the end-Permian mass extinction". Proceedings of the National Academy of Sciences of the United ... Scientists have found worldwide evidence of a swift decrease of about 1% in the 13C/12C isotope ratio in carbonate rocks from ... abrupt global decrease in the ratio of the stable isotope 13. C to that of 12. C, coincides with this extinction,[19][23][24][ ... That may have killed land plants and molluscs and planktonic organisms which had calcium carbonate shells. The eruptions would ...
https://en.wikipedia.org/wiki/Permian-triassic_extinction
*  Publications | Hoekstra Group | QISD | Zernike (ZIAM) | Onderzoek | Rijksuniversiteit Groningen
Single-atom detection of calcium isotopes by atom-trap trace analysis. Physical Review A, 71(2), 023409. [023409]. DOI: 10.1103 ... Stolterfoht, N., Cabrera-Trujillo, R., Krstic, P. S., Hoekstra, R., Oehrn, Y., Deumens, E., & Sabin, J. R. (2010). Isotope ... Stolterfoht, N., Cabrera-Trujillo, R., Oehrn, Y., Deumens, E., Hoekstra, R., & Sabin, J. R. (2007). Strong isotope effects on ... A radioactive isotope trapping facility at KVI. Nuclear Physics A, 721, 1107C-1110C. DOI: 10.1016/S0375-9474(03)01296-X ...
https://www.rug.nl/research/zernike/quantum-interactions-and-structural-dynamics/hoekstra-group/publications
*  Table of Contents - May 11, 2010, 107 (19) | PNAS
Calcium isotope constraints on the end-Permian mass extinction Jonathan L. Payne, Alexandra V. Turchyn, Adina Paytan, Donald J ...
http://www.pnas.org/content/107/19
*  Thunderbolts Forum • View topic - Major Sci News Blog
https://phys.org/news/2019-02-puzzling-sizes-extremely-calcium-isotopes.html. How to move electrons with light. https://phys. ... Researchers examine puzzling sizes of extremely light calcium isotopes. ... Nuclear interactions of ions accelerated at the surface of flaring stars can produce fresh isotopes in stellar atmospheres.'[1 ... Zirconium isotope a master at neutron capture. https://phys.org/news/2019-01-zirconium-isotope-master-neutron-capture.html. ...
http://thunderbolts.info/forum/phpBB3/viewtopic.php?f=5&p=126218
*  Browsing 1985 Annual Scientific and Technical Report - IU Cyclotron by Submit Date
Title: Proton Ground-state Correlations in the Even Calcium-isotopes  Author: Nann, H.; Jacobs, W.W.; Bacher, A.D.; Brown, J.D ... Title: Tensor Polarized Deuteron Capture by the Hydrogen Isotopes  Author: Pitts, W.K.; Meyer, H.O.; Bland, L.C.; Byrd, R.C.; ...
https://scholarworks.iu.edu/dspace/handle/2022/930/browse?type=dateaccessioned
*  Items where Division is "AWI Organizations | Biosciences | BioGeoScience" and Year is 2005 - ePIC
Cellular calcium pathways: a key to understand Ca isotope fractionation in Emiliania huxleyi. , MSG meeting Biogeochemical ... Fractionation of Calcium Isotopes in Marine Coccolithophores. , Annual Meeting of the Geologische Vereinigung (GV), 24-29 ... Coccolith strontium to calcium ratios in Emiliania huxleyi: The dependence on seawater strontium and calcium concentrations. , ... Calcification of selected coccolithophore species: strontium partitioning, calcium isotope fractionation, and dependence on ...
http://epic.awi.de/view/divisions/awi-2005-0202/2005.html
*  Search of: 'Osteoporosis' - List Results - ClinicalTrials.gov
calcium isotope ratio δ44/40Ca in urine. *the natural calcium isotope ratio δ44/40Ca in urine and serum (δ44/40Ca urine x serum ... Study on the Predictive Value of the Natural Calcium Isotope Ratio in Urine and Serum for the Diagnosis of Osteoporosis. * ... confidence in the ability to each calcium-containing foods and exercise, and the amount of calcium consumed in foods and ... turnover rate of calcium. 100. Female. 50 Years to 75 Years (Adult, Senior). NCT02967978. GEO-Osteo-2016. November 2016. April ...
https://clinicaltrials.gov/ct2/results?cond=%22Osteoporosis%22&show_rss=Y&sel_rss=mod14
*  Composition of Solar Wind
Which isotopes of Argon are present? *ANSWER: Ar-36, Ar-38. *Which calcium isotope is present in the greatest amount? *ANSWER: ... What isotopes of Argon are present on Earth? *ANSWER: Ar-36, Ar-38, Ar-40 * What is the primary isotope of Argon on Earth? * ... Because each isotope is represented by a distribution curve which overlaps others at the base, it is not feasible using high ... Isotopes (atoms of the same element with different numbers of neutrons). * Students compare relative terrestrial abundances by ...
https://soho.nascom.nasa.gov/explore/lessons/compos9_12.html