radioactive elements

Summary

Summary: Unstable elements with atomic numbers greater than 83 that exist in nature solely as radioisotopes.

Top Publications

  1. McLin S. Background radioactivity in sediments near Los Alamos, New Mexico. Sci Total Environ. 2004;328:143-59 pubmed
    ..Ultimately, most of these differences still reflect spatial and temporal variability originating from global atmospheric nuclear weapons testing and disintegration of nuclear-powered satellites upon atmospheric reentry...
  2. Mori K, Deji S, Ito S, Saze T, Nishizawa K. Development of a portable system for checking radioactive sources using long wave radio frequency identification. Health Phys. 2007;92:212-8 pubmed
    ..Nine lists concerning registered, disposed, and missing sources, etc., were displayed on the computer monitor and printed out. An RFID system using long waves proved to be applicable for routinely checking radioactive sources...
  3. Wassenaar L, Hendry M, Harrington N. Decadal geochemical and isotopic trends for nitrate in a transboundary aquifer and implications for agricultural beneficial management practices. Environ Sci Technol. 2006;40:4626-32 pubmed
    ..The findings reveal that BMPs should be better linked to groundwater nutrient monitoring programs in order to more quickly identify BMP deficiencies, and to dynamically adjust nutrient loadings to help achieve water quality objectives...
  4. Kerr R. Astrobiology science conference 2006. Life slow enough to live on radioactivity. Science. 2006;312:179 pubmed
  5. Bocherens H, Drucker D, Billiou D, Geneste J, van der Plicht J. Bears and humans in Chauvet Cave (Vallon-Pont-d'Arc, Ardèche, France): insights from stable isotopes and radiocarbon dating of bone collagen. J Hum Evol. 2006;50:370-6 pubmed
  6. Larsson C, Koslowsky V, Gao H, Khanna S, Estan D. Optically stimulated luminescence in forensics. Appl Radiat Isot. 2005;63:689-95 pubmed
    ..The prototype detector design and analysis techniques are described...
  7. Hoehle S, Knudsen G, Sanders J, Sipes I. Absorption, distribution, metabolism, and excretion of 2,2-bis(bromomethyl)-1,3-propanediol in male fischer-344 rats. Drug Metab Dispos. 2009;37:408-16 pubmed publisher
    ..These data indicate that the extensive extraction and rapid glucuronidation by the liver limits exposure of internal tissues to BMP by greatly reducing its systemic bioavailability after oral exposure...
  8. Settle F. Analytical chemistry and the Manhattan Project. Anal Chem. 2002;74:37A-43A pubmed
  9. Marullo T, Abramo A. [Effects of one cycle of inhalation crenotherapy with radioactive fluoridated oligomineral]. Acta Otorhinolaryngol Ital. 2000;20:1-13 pubmed
    ..This biological reality can most likely be attributed to the favorable response of the respiratory mucosa, promoting anti-infection defenses...

More Information

Publications34

  1. Abdi M, Hassanzadeh S, Kamali M, Raji H. 238U, 232Th, 40K and 137Cs activity concentrations along the southern coast of the Caspian Sea, Iran. Mar Pollut Bull. 2009;58:658-62 pubmed publisher
    The determination of activity concentrations of the radioactive elements (238)U, (232)Th, (40)K and (137)Cs was performed on grab samples taken from a polluted environment...
  2. Bao P. [Determination of content and specific activity of radioactive elements in phosphate slag by spectral and energy spectrum analysis]. Guang Pu Xue Yu Guang Pu Fen Xi. 2001;21:630-1 pubmed
    Phosphate slag is the slag discarded after phosphate ore is smelted. The content and specific activity of radioactive elements in slag must be determined accurately for environmental protection and comprehensive utilization...
  3. Hrnecek E, Steier P, Wallner A. Determination of plutonium in environmental samples by AMS and alpha spectrometry. Appl Radiat Isot. 2005;63:633-8 pubmed
    ..Alpha spectrometry delivers data for the (238)Pu and the combination of ((239+240))Pu concentrations in those samples. In addition, the AMS technique provides information on the individual concentrations of (240)Pu and (239)Pu...
  4. Shipilov N, Fazylov M, Podkovirin A, Karimov Y, Petrenko V, Yuldashev B. Identification of radioactive materials in moving objects. Appl Radiat Isot. 2005;63:783-7 pubmed
    ..The present work describes the method for radioactive materials detection in the moving objects independent of the significant background deviations and present radiation monitoring establishment based on this principle...
  5. Guilmette R. Introduction of the 31st Lauriston Taylor Lecturer in radiation protection and measurements, Patricia W. Durbin. Health Phys. 2008;95:462-4 pubmed publisher
  6. Jia G, Torri G, Magro L. Concentrations of 238U, 234U, 235U, 232Th, 230Th, 228Th, 226Ra, 228Ra, 224Ra, 210Po, 210Pb and 212Pb in drinking water in Italy: reconciling safety standards based on measurements of gross alpha and beta. J Environ Radioact. 2009;100:941-9 pubmed publisher
    ..Based on the radionuclide composition in the analysed waters, comment was made on the new screening level for gross alpha activity in guidelines for drinking-water quality recommended by the WHO, 2004...
  7. Burger S, Riciputi L. A rapid isotope ratio analysis protocol for nuclear solid materials using nano-second laser-ablation time-of-flight ICP-MS. J Environ Radioact. 2009;100:970-6 pubmed publisher
    ..The precision and accuracy in combination with literally no or minimized sample preparation enables a rapid isotope screening of solid samples that is of particular interest to support nuclear forensic and safeguard analysis...
  8. Vives i Batlle J, Wilson R, McDonald P. Allometric methodology for the calculation of biokinetic parameters for marine biota. Sci Total Environ. 2007;388:256-69 pubmed
    ..For the elements N, K, Np and Cm, the same allometric relationships as those derived for their analogues (99)Tc, (137)Cs, (239,240)Pu and (241)Am, respectively, can be applied, when no other data are available...
  9. Kerschbaumer F, Kandziora F, Herresthal J, Hertel A, Hör G. [Combined arthroscopic and radiation synovectomy in rheumatoid arthritis]. Orthopade. 1998;27:188-96 pubmed
    ..In the treatment of rheumatoid arthritis of the knee joint a better outcome is achieved performing combined arthroscopic and radiation synovectomy than performing only one of the methods...
  10. Broggio D, Zhang B, de Carlan L, Desbrée A, Lamart S, Le Guen B, et al. Analytical and Monte Carlo assessment of activity and local dose after a wound contamination by activation products. Health Phys. 2009;96:155-63 pubmed publisher
    ..The relevance of equivalent skin dose as an estimate of the sanitary risk is discussed, and it is concluded that for this case it gives the upper end estimate of the risk...
  11. Skibniewska K, Smoczyński S. [The influence of cooking on radiocaesium contamination of edible mushrooms]. Rocz Panstw Zakl Hig. 1999;50:157-62 pubmed
    ..Samples of Xerocomus badius collected in various sites of North-East Poland in 1995 averaged to 195.4 +/- 125.5 Bq/kg of fresh weight...
  12. Casacuberta N, Masqué P, Garcia Orellana J, Bruach J, Anguita M, Gasa J, et al. Radioactivity contents in dicalcium phosphate and the potential radiological risk to human populations. J Hazard Mater. 2009;170:814-23 pubmed publisher
    ..While these results suggest that human health risks are small, additional testing should be conducted...
  13. Russ B. International conference on security of radioactive sources. Vienna, 10-13 March 2003. J Radiol Prot. 2003;23:232-3 pubmed
  14. Pressyanov D, Poffijn A, Meesen G, Van Deynse A, Buysse J. Short-lived alpha sources of energies 6.0 MeV and 7.69 MeV for calibration purposes. Radiat Prot Dosimetry. 2001;94:281-5 pubmed
    ..There is a potential for the number of alpha particles emitted in a given time interval to be certified with an accuracy of 1-2%...
  15. Lee S, Kim C, Lee D, Kang H. Natural radionuclides contents and radon exhalation rates in building materials used in South Korea. Radiat Prot Dosimetry. 2001;94:269-74 pubmed
    ..47-271 Bq.kg-1, N.D.-89.9 Bq.kg-1 and 16.8-1081 Bq.kg-1, respectively. The average radon exhalation rates and emanation coefficients were in the range of 0.0061-0.2404 Bq.kg-1.h-1 and 2.39-11.5%, respectively...
  16. Loskiewicz J, Swakon J, Kulczykowska K. Estimation of thermal neutron absorption cross-section from K, U and Th concentrations for Miocene rocks from the Carpathian Piedmont in Poland using artificial neural networks. Appl Radiat Isot. 2000;52:1459-65 pubmed
    ..Neural network representation of the function sigma a = f(K, U, Th) obtained for a region can later be used for sigma a estimation from spectrometric probe results in uncored wells...
  17. Franke A, Reiner L, Resch K. Long-term benefit of radon spa therapy in the rehabilitation of rheumatoid arthritis: a randomised, double-blinded trial. Rheumatol Int. 2007;27:703-13 pubmed
    ..064, p(G x C) = 0.025) and NSAIDs (p(GME) = 0.035, p(G x C) = 0.008) were significantly reduced. The results suggest beneficial long-term effects of radon baths as adjunct to a multimodal rehabilitative treatment of RA...
  18. Thacker P. Efforts to stop groundwater pollution disappoint. Environ Sci Technol. 2006;40:4815-6 pubmed
  19. Kanaev S, Turkevich V. [Current possibilities of utilizing covert sources of radiation in brachytherapy for neoplasia]. Vopr Onkol. 2007;53:690-5 pubmed
  20. Petrenko V, Karimov Y, Podkovirin A, Shipilov N, Yuldashev B, Fazylov M. Efforts of Uzbekistan to prevent nuclear terrorism and smuggling of radioactive and nuclear materials. Appl Radiat Isot. 2005;63:737-40 pubmed
    ..This paper covers these works as well as those on preventing possible terrorist attacks on nuclear objects of Uzbekistan...
  21. Orphan V, Muenchau E, Gormley J, Richardson R. Advanced gamma ray technology for scanning cargo containers. Appl Radiat Isot. 2005;63:723-32 pubmed
    ..SAIC's enhanced gamma ray detector improves VACIS image resolution by a factor of three. And SAIC's EmptyView software analyzes VACIS images to automatically verify empty containers...
  22. von Schwerin A. [Precarious matters. The radium economy, episteme of risk and the emergence of tracer technique in national socialism]. NTM. 2009;17:5-33 pubmed
  23. Beyermann M, Bünger T, Schmidt K, Obrikat D. Occurrence of natural radioactivity in public water supplies in Germany: (238)U, (234)U, (235)U, (228)RA, (226)RA, (222)RN, (210)PB, (210)PO and gross alpha activity concentrations. Radiat Prot Dosimetry. 2010;141:72-81 pubmed publisher
    ..A gross alpha activity analysis procedure using liquid scintillation counting has been tested. Measured gross alpha activities values were found to be well related to the summarised activities of (238)U, (234)U, (226)Ra and (210)Po...
  24. Abril J, Garcia Tenorio R, Manjón G. Extensive radioactive characterization of a phosphogypsum stack in SW Spain: 226Ra, 238U, 210Po concentrations and 222Rn exhalation rate. J Hazard Mater. 2009;164:790-7 pubmed publisher
    ..Radon exhalation rates were correlated with (226)Ra concentrations and daily potential evapotranspiration (ETo). They increased with ETo in agriculture soils, but showed an opposite behaviour in the PG stack...
  25. Wappelhorst O, Kühn I, Heidenreich H, Markert B. Transfer of selected elements from food into human milk. Nutrition. 2002;18:316-22 pubmed
    ..We measured the transfer factors of antimony, cerium, chromium, cobalt, gallium, lanthanum, molybdenum, niobium, ruthenium, silver, thorium, titanium, and uranium from food to milk in nursing mothers...