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Nowadays the consumption of bottled mineral waters has become very popular. The average consumption of these is 0.36 l d(-1) per person in Europe. A considerable segment of the population drinks almost only mineral water as drinking water, which is about 1 l d(-1). As is known, some kinds of mineral waters contain naturally occurring radionuclides in higher concentration than the usual drinking (tap) water. The WHO (1993) legislation concerning the drinking waters does not include the mineral waters. In our work, the concentrations of (226)Ra, (238)U and (210)Po were determined in mineral waters available in Hungary. To determine the (226)Ra concentration the emanation method was used. The (238)U and (210)Po concentrations were determined by alpha spectrometry using semiconductor detector. The dose contribution was calculated using the radionuclide concentrations and the dose conversion factors from the Basic Safety Standard IAEA (1995), for 1 l d(-1) mineral water consumption. In some cases the calculated doses were considerable higher than the limit for drinking waters. Especially for children the doses can be remarkably high.

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Table of contentsOP03 Selective extraction of medically-related radionuclides from proton-irradiated thorium targetsV. Radchenko, J.W. Engle, C. Roy, J. Griswold, M.F. Nortier, E.R. Birnbaum, M. Brugh, S. Mirzadeh, K. D. John, M.E. FassbenderOP04 Comparison of [68Ga]FSC(succ-RGD)3 and [68Ga]NODAGA-RGD for PET imaging of αvβ3 integrin expressionChuangyan Zhai, Gerben M. Franssen, Milos Petrik, Peter Laverman, Clemens DecristoforoOP05 A new NPY-Y1R targeting peptide for breast cancer PET imagingAit-Mohand Samia, Dumulon-Perreault Véronique, Guérin BrigitteOP06 The influence of multivalency on CCK 2 receptor targetingD. Summer, A. Kroess, C. Rangger, H. Haas, P. Laverman, F. Gerben, E. von Guggenberg, C.DecristoforoOP07 SPECT Imaging of αvβ3 Expression by [99mTc(N)PNP43]- Bifunctional Chimeric RGD Peptide not Cross-Reacting with αvβ5Cristina Bolzati, Nicola Salvarese, Fiorenzo Refosco, Laura Meléndez-Alafort, Debora Carpanese, Antonio Rosato, Michele Saviano, Annarita Del Gatto, Daniela Comegna, Laura ZaccaroOP09 New dienophiles for the inverse-electron-demand Diels-Alder reaction and for pretargeted PET imagingEmilie Billaud, Muneer Ahamed, Frederik Cleeren, Elnaz Shahbazali, Tim Noël, Volker Hessel, Alfons Verbruggen and Guy BormansOP10 New complexing agent for Al18F-labelling of heat-sensitive biomolecules: Synthesis and preclinical evaluation of Al18F-RESCA1-HASCleeren F, Lecina J, Koole M, Verbruggen A and Bormans GOP11 A novel versatile precursor efficient for F-18 radiolabelling via click-chemistryB. Lugatoa, S. Stucchia, E.A. Turollaa, L. Giulianoa, S.Toddea, P. FerraboschibOP12 A general applicable method to quantify unidentified UV impurities in radiopharmaceuticalsR.P. Klok, M.P.J. Mooijer, N.H. Hendrikse, A.D. WindhorstOP13 Development of [18F]Fluoro-C-glycosides to radiolabel peptidesCollet C., Petry N., Chrétien F., Karcher G., Pellegrini-Moïse N., Lamandé-Langle S.OP14 A Microfluidic Approach for the 68Ga-labeling of PSMAHBED-CC and NODAGA-RGDSarah Pfaff, Cecile Philippe, Markus Mitterhauser, Marcus Hacker, Wolfgang WadsakOP16 Surprising reactivity of astatine in the nucleophilic substitution of aryliodonium salts: application to the radiolabeling of antibodiesFrançois Guérard, Yong-Sok Lee, Sébastien Gouard, Kwamena Baidoo, Cyrille Alliot, Michel Chérel, Martin W. Brechbiel, Jean-François GestinOP17 64Cu-NOTA-pertuzumab F(ab')2 fragments, a second-generation probe for PET imaging of the response of HER2-positive breast cancer to trastuzumab (Herceptin)Lam K, Chan C, Reilly RMOP18 Development of radiohalogenated analogues of a avb6-specific peptide for high LET particle emitter targeted radionuclide therapy of cancerSalomé Paillas, John Marshall, Jean-Pierre Pouget, Jane SosabowskiOP19 Ligand Specific Efficiency (LSE) as a guide in tracer optimizationEmmanuelle Briard, Yves P. Auberson, John Reilly, Mark Healy, David SykesOP23 The radiosynthesis of an 18F-labeled triglyceride, developed to visualize and quantify brown adipose tissue activityAndreas Paulus, Wouter van Marken Lichtenbelt,Felix Mottaghy,...

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