All Stories

  1. Temperature and irradiation effects on Am(III)/Eu(III) separation in an i-SANEX system with a tetrasulphonated BTP masking agent for heterogeneous spent nuclear fuel reprocessing

    Article • Chemical Engineering Journal Advances, August 2026, Elsevier

    Prof. Jan John

  2. Reactivity of oxidized polonium towards quartz and α-Al 2 O 3 surfaces

    Article • Physical Chemistry Chemical Physics, January 2026, Royal Society of Chemistry

    Prof. Jan John

  3. Reactivity of polonium towards quartz surfaces

    Article • Physical Chemistry Chemical Physics, January 2025, Royal Society of Chemistry

    Prof. Jan John

  4. Evaluation of Multidentate Ligands Derived from Ethyl 1,2,4‐triazine‐3‐carboxylate Building Blocks as Potential An(III)‐Selective Extractants for Nuclear Reprocessing

    Article • ChemistryOpen, November 2024, Wiley

    Frank W Lewis, Prof. Jan John

  5. Extraction characteristics and radiation stability of the CHALMEX process for separation of Am(III) and Eu(III) at different temperatures

    Article • Separation and Purification Technology, June 2023, Elsevier

    Prof. Jan John

  6. Methods and Application of ¹²⁹I Determination by Accelerator Mass Spectrometry

    Article • Chemické listy, February 2023, Czech Chemical Society

    Prof. Jan John

  7. Stability of Different BTBP and BTPhen Extracting or Masking Compounds against γ Radiation

    Article • ACS Omega, September 2021, American Chemical Society (ACS)

    Prof. Jan John

  8. Valence states of cyclotron-produced thallium

    Article • New Journal of Chemistry, January 2021, Royal Society of Chemistry

    Prof. Jan John

  9. Thermodynamic parameters of Am(III), Cm(III) and Eu(III) extraction by CyMe4-BTPhen in cyclohexanone from HNO3 solutions

    Article • The Journal of Chemical Thermodynamics, February 2020, Elsevier

    Prof. Jan John

  10. Fluorinated Carbonates as New Diluents for Extraction and Separation of f-Block Elements

    Article • Solvent Extraction and Ion Exchange, January 2020, Taylor & Francis

    Prof. Jan John

  11. Extraction Properties of 4-Tetra(hydroxyphenyl)BTPhen in Liquid-Liquid Extraction Systems with Cyclohexanone/Octanol or in a Solid-Phase Extraction System

    Article • Heterocycles, January 2020, CLOCKSS Archive

    Prof. Jan John

  12. Recycling of isotopically modified molybdenum from irradiated CerMet nuclear fuel: part 4—technetium separation from concentrated molybdate solution

    Article • Journal of Radioanalytical and Nuclear Chemistry, June 2019, Springer Science + Business Media

    Prof. Jan John

  13. Recycling of isotopically modified molybdenum from irradiated CerMet nuclear fuel: part 3—strontium separation from concentrated molybdate solution

    Article • Journal of Radioanalytical and Nuclear Chemistry, May 2019, Springer Science + Business Media

    Prof. Jan John

  14. Recycling of isotopically modified molybdenum from irradiated CerMet nuclear fuel: part 2—caesium separation from concentrated molybdate solution

    Article • Journal of Radioanalytical and Nuclear Chemistry, March 2019, Springer Science + Business Media

    Prof. Jan John

  15. Recycling of isotopically modified molybdenum from irradiated CerMet nuclear fuel: part 1—concept design and assessment

    Article • Journal of Radioanalytical and Nuclear Chemistry, February 2019, Springer Science + Business Media

    Prof. Jan John

  16. Separation of Minor Actinides from Lanthanides Using Immobilized Ligand Systems: The Role of the Counterion

    Article • Heterocycles, January 2019, CLOCKSS Archive

    Prof. Jan John

  17. 18th Radiochemical conference: RadChem 2018

    Article • Journal of Radioanalytical and Nuclear Chemistry, November 2018, Springer Science + Business Media

    Prof. Jan John

  18. Extraction of thallium and indium isotopes as the homologues of nihonium into the ionic liquids

    Article • Journal of Radioanalytical and Nuclear Chemistry, October 2018, Springer Science + Business Media

    Prof. Jan John

  19. Separation of Am(III), Cm(III) and Eu(III) by electro-spun polystyrene-immobilized CyMe4-BTPhen

    Article • Tetrahedron, September 2018, Elsevier

    Prof. Jan John

  20. Synthesis and Screening of a Novel (dppz)-BTPhen Ligand for the separation of Americium from Europium

    Article • Letters in Organic Chemistry, April 2018, Bentham Science Publishers

    Prof. Jan John, Professor Laurence Marius Harwood

  21. Separation of the Minor Actinides Americium(III) and Curium(III) by Hydrophobic and Hydrophilic BTPhen ligands: Exploiting Differences in their Rates of Extraction and Effective Separations at Equilibrium

    Article • Solvent Extraction and Ion Exchange, January 2018, Taylor & Francis

    Professor Laurence Marius Harwood, Frank W Lewis, Prof. Jan John

  22. Modelling of the Am(III) – Cm(III) kinetic separation effect observed during metal ion extraction by bis-(1,2,4)-triazine ligands

    Article • Separation Science and Technology, September 2017, Taylor & Francis

    Prof. Jan John

  23. Synthesis of Novel BTPhen-Functionalized Silica-Coated Magnetic Nanoparticles for Separating Trivalent Actinides and Lanthanides

    Article • Synlett, August 2017, Thieme Publishing Group

    Prof. Jan John

  24. Separation of curium from americium using composite sorbents and complexing agent solutions: part 2

    Article • Journal of Radioanalytical and Nuclear Chemistry, April 2017, Springer Science + Business Media

    Prof. Jan John

  25. Extraction of minor actinides, lanthanides and other fission products by silica-immobilized BTBP/BTPhen ligands

    Article • Chemical Communications, January 2017, Royal Society of Chemistry

    Prof. Jan John

  26. Synthesis and Screening of Modified 6,6′-Bis(5,5,8,8-tetramethyl-5,6,7,8-tetrahydrobenzo[e][1,2,4]triazin-3-yl)-2,2′-bipyridine Ligands for Actinide and Lanthanide Separation in Nuclear Waste Treatment

    Article • The Journal of Organic Chemistry, August 2016, American Chemical Society (ACS)

    Prof. Jan John

  27. The effect of counting conditions on pure beta emitter determination by Cherenkov counting

    Article • Journal of Radioanalytical and Nuclear Chemistry, April 2016, Springer Science + Business Media

    Prof. Jan John

  28. Comparing the Extraction of Am(III), Cm(III) and Eu(III) by CyMe4-BTPhen-Functionalized Silica and Zirconia-Coated Magnetic Nanoparticles

    Article • Heterocycles, January 2016, CLOCKSS Archive

    Prof. Jan John

  29. 17th Radiochemical conference: RadChem 2014 Mariánské Lázně, 11–16th May 2014

    Article • Journal of Radioanalytical and Nuclear Chemistry, January 2015, Springer Science + Business Media

    Prof. Jan John

  30. Hydrophilic sulfonated bis-1,2,4-triazine ligands are highly effective reagents for separating actinides(iii) from lanthanides(iii) via selective formation of aqueous actinide complexes

    Article • Chemical Science, January 2015, Royal Society of Chemistry

    Professor Laurence Marius Harwood, Valery Kozhevnikov, Frank W Lewis, Prof. Jan John

  31. Characterization of solvents containing CyMe4-BTPhen in selected cyclohexanone-based diluents after irradiation by accelerated electrons

    Article • Nukleonika, January 2015, De Gruyter

    Prof. Jan John

  32. Scientific and Engineering Literature Mini Review of Molten Salt Oxidation for Radioactive Waste Treatment and Organic Compound Gasification as well as Spent Salt Treatment

    Article • Science and Technology of Nuclear Installations, January 2015, Hindawi Publishing Corporation

    Prof. Jan John

  33. Cooperation in education and training in nuclear- and radiochemistry in Europe

    Article • Journal of Radioanalytical and Nuclear Chemistry, November 2014, Springer Science + Business Media

    Prof. Jan John

  34. Thiacalixarenes: radiation stability and Eu/Am extraction in synergistic systems with COSANs

    Article • Journal of Radioanalytical and Nuclear Chemistry, November 2014, Springer Science + Business Media

    Prof. Jan John

  35. Joint Bratislava–Prague studies of radiocarbon and uranium in the environment using accelerator mass spectrometry and radiometric methods

    Article • Journal of Radioanalytical and Nuclear Chemistry, September 2014, Springer Science + Business Media

    Prof. Jan John

  36. Separation of curium from americium using composite sorbents and complexing agent solutions

    Article • Journal of Radioanalytical and Nuclear Chemistry, September 2014, Springer Science + Business Media

    Prof. Jan John

  37. Polyacrylonitrile based composite materials with extracting agents containing chemically bonded CMPO groups for separation of actinoids

    Article • Journal of Radioanalytical and Nuclear Chemistry, September 2014, Springer Science + Business Media

    Prof. Jan John

  38. Effective separation of Am(iii) and Eu(iii) from HNO3 solutions using CyMe4-BTPhen-functionalized silica-coated magnetic nanoparticles

    Article • Chemical Communications, January 2014, Royal Society of Chemistry

    Professor Laurence Marius Harwood, Prof. Jan John

  39. Comparison of uranium extraction from model fresh water on TiO–PAN and NaTiO–PAN composite absorbers

    Article • Journal of Radioanalytical and Nuclear Chemistry, July 2013, Springer Science + Business Media

    Prof. Jan John

  40. Influence of diluent alkyl substitution on the extraction of Am(III) and Eu(III) by a 6,6´-bis(1,2,4-triazin-3-yl)-2,2´-bipyridine ligand dissolved in alkylated cyclohexanone diluents

    Article • Radiochimica Acta, October 2012, De Gruyter

    Prof. Jan John, Frank W Lewis

  41. Synthesis and Evaluation of Lipophilic BTBP Ligands for An/Ln Separation in Nuclear Waste Treatment: The Effect of Alkyl Substitution on Extraction Properties and Implications for Ligand Design

    Article • European Journal of Organic Chemistry, January 2012, Wiley

    Frank W Lewis, Prof. Jan John

  42. The Separation of Americium(III) from Europium(III) by Two New 6,6'-Bistriazinyl-2,2'-Bipyridines in Different Diluents

    Article • Solvent Extraction and Ion Exchange, July 2011, Taylor & Francis

    Frank W Lewis, Prof. Jan John

  43. Study of HDEHP-PAN solid extractants for the determination of 90Sr

    Article • Journal of Radioanalytical and Nuclear Chemistry, October 2010, Springer Science + Business Media

    Prof. Jan John

  44. Foreword

    Article • Journal of Radioanalytical and Nuclear Chemistry, October 2010, Springer Science + Business Media

    Prof. Jan John

  45. Preparation of samples for alpha-spectrometry by direct evaporation of extracted species

    Article • Journal of Radioanalytical and Nuclear Chemistry, August 2010, Springer Science + Business Media

    Prof. Jan John

  46. Radiation formation of colloidal silver particles in aqueous systems

    Article • Applied Radiation and Isotopes, April 2010, Elsevier

    Prof. Jan John

  47. Radiation and chemical stability of calix[4]arene derivatives as prospective liquid-liquid extractants

    Article • Radiochimica Acta, January 2009, De Gruyter

    Prof. Jan John

  48. Radiolysis of oxalic and citric acids using gamma rays and accelerated electrons

    Article • Radiation Physics and Chemistry, July 2008, Elsevier

    Prof. Jan John

  49. Determination of gross alpha and beta activities in water samples by liquid scintillation counting

    Article • Czechoslovak Journal of Physics, December 2006, Springer Science + Business Media

    Prof. Jan John

  50. New TRLFS laboratory at the CTU in Prague

    Article • Czechoslovak Journal of Physics, December 2006, Springer Science + Business Media

    Prof. Jan John

  51. Separation of radiocobalt from NPP evaporator concentrate

    Article • Czechoslovak Journal of Physics, December 2006, Springer Science + Business Media

    Prof. Jan John

  52. Study of solid extractants based on malonamides, diglycolamides, and bipyridines for the partitioning of minor actinides from high active wastes

    Article • Czechoslovak Journal of Physics, December 2006, Springer Science + Business Media

    Prof. Jan John

  53. Soils electroremediation

    Article • Czechoslovak Journal of Physics, December 2006, Springer Science + Business Media

    Prof. Jan John

  54. Treatment of spent NTA-based decontamination solutions

    Article • Czechoslovak Journal of Physics, December 2006, Springer Science + Business Media

    Prof. Jan John

  55. Validation of an extraction chromatographic method with SrResin® for determination of 210Pb in various matrices

    Article • Czechoslovak Journal of Physics, December 2006, Springer Science + Business Media

    Prof. Jan John

  56. Use of new composite materials for the determination of Cu, Cd, Mo, As, and Sb in biological samples by radiochemical neutron activation analysis

    Article • Journal of Radioanalytical and Nuclear Chemistry, August 2006, Springer Science + Business Media

    Prof. Jan John

  57. Foreword

    Article • Czechoslovak Journal of Physics, January 2006, Springer Science + Business Media

    Prof. Jan John

  58. Separation of radionuclides from chemical and electrochemical decontamination wastes

    Article • Journal of Radioanalytical and Nuclear Chemistry, February 2003, Springer Science + Business Media

    Prof. Jan John

  59. Development of a method for regeneration of spent electrochemical decontamination solution on the basis of data on speciation of metal ions in solution

    Article • Czechoslovak Journal of Physics, January 2003, Springer Science + Business Media

    Prof. Jan John

  60. Separation of radionuclides from spent decontamination solutions onto selective inorganic-organic composite absorbers

    Article • Czechoslovak Journal of Physics, January 2003, Springer Science + Business Media

    Prof. Jan John

  61. Cesium sorption from concentrated acidic tank wastes using ammonium molybdophosphate-polyacrylonitrile composite sorbents

    Article • Journal of Radioanalytical and Nuclear Chemistry, October 2002, Springer Science + Business Media

    Prof. Jan John

  62. AMP-PAN column tests for the removal of 137Cs from actual and simulated INEEL high-activity wastes

    Article • Czechoslovak Journal of Physics, January 1999, Springer Science + Business Media

    Prof. Jan John

  63. Co-ordination of radiochemistry, radiochemists and meetings in Europe

    Article • Czechoslovak Journal of Physics, January 1999, Springer Science + Business Media

    Prof. Jan John

  64. Foreword

    Article • Czechoslovak Journal of Physics, January 1999, Springer Science + Business Media

    Prof. Jan John

  65. Sorption of cobalt on hydrated manganese dioxide

    Article • Czechoslovak Journal of Physics, January 1999, Springer Science + Business Media

    Prof. Jan John

  66. Study of sorption properties of various titanium dioxide materials

    Article • Czechoslovak Journal of Physics, January 1999, Springer Science + Business Media

    Prof. Jan John

  67. Composite absorbers of inorganic ion-exchangers and polyacrylonitrile binding matrix

    Article • Journal of Radioanalytical and Nuclear Chemistry, August 1997, Springer Science + Business Media

    Prof. Jan John

  68. Composite absorbers consisting of inorganic ion-exchangers and polyacrylonitrile binding matrix

    Article • Journal of Radioanalytical and Nuclear Chemistry, June 1997, Springer Science + Business Media

    Prof. Jan John

  69. Correlation analysis of the contamination of freshwater sediments in the Labe (Elbe) river catchment with gamma-emitting radionuclides

    Article • January 1997, Elsevier

    Prof. Jan John

  70. Tb magnetic moment behaviour in amorphous TbFe alloy: A nuclear orientation study

    Article • Solid State Communications, July 1993, Elsevier

    Prof. Jan John

  71. Determination of uranium in solutions and sorbents by soft gamma-ray absorptiometry

    Article • Journal of Radioanalytical and Nuclear Chemistry, November 1991, Springer Science + Business Media

    Prof. Jan John

  72. Nuclear orientation study of the decay of204BiFe

    Article • Czechoslovak Journal of Physics, April 1991, Springer Science + Business Media

    Prof. Jan John

  73. The role of the CLrhoparameters in IBM-2 as exemplified by the nuclear structure of152Gd

    Article • Journal of Physics G Nuclear and Particle Physics, September 1990, Institute of Physics Publishing

    Prof. Jan John

  74. Low temperature nuclear orientation of238NpGd

    Article • Hyperfine Interactions, August 1990, Springer Science + Business Media

    Prof. Jan John

  75. Low temperature nuclear orientation of239Np in gadolinium host

    Article • Hyperfine Interactions, August 1990, Springer Science + Business Media

    Prof. Jan John

  76. Spin-2—on-line low temperature nuclear orientation facility at YASNAPP-2 complex in Jinr Dubna

    Article • Hyperfine Interactions, December 1988, Springer Science + Business Media

    Prof. Jan John

  77. Effect of pH, humus concentration and molecular weight on conditional stability constants of cadmium

    Article • Water Research, November 1988, Elsevier

    Prof. Jan John

  78. Influence of aquatic humus and pH on the uptake and depuration of cadmium by the atlantic salmon (Salmo Salar L.)

    Article • The Science of The Total Environment, January 1987, Elsevier

    Prof. Jan John

  79. A simple method of judging the acceptability of analytical methods

    Article • Analytica Chimica Acta, January 1984, Elsevier

    Prof. Jan John

  80. Determination of uranium isotopic composition in aqueous solutions by combined gamma-spectrometry and X-ray fluorescence

    Article • Journal of Radioanalytical Chemistry, September 1983, Springer Science + Business Media

    Prof. Jan John

  81. Determination of uranium by XRF analysis following its preconcentration with some organic precipitants

    Article • Journal of Radioanalytical Chemistry, March 1983, Springer Science + Business Media

    Prof. Jan John

  82. Behavior of radium and barium in a system including uranium mine waste waters and adjacent surface waters

    Article • Environmental Science & Technology, January 1981, American Chemical Society (ACS)

    Prof. Jan John

  83. Method of selective dissolution for characterization of particulate forms of Radium and Barium in natural and waste waters

    Article • Water Research, January 1981, Elsevier

    Prof. Jan John