Plutonium Biokinetics in Human Body A. Luciani - Kit-Bibliothek - FZK

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s t Final dissolution rate for modelling the absorption into blood of the particles in the transformed state. Type S Type of absorption (S, slow) of a radionuclide from the respiratory tract into the blood. The default values of the corresponding parameters s p, s pt and s t are 0.1, 100 and 0.0001 d -1 , respectively. Type M Type of absorption (M, moderate) of a radionuclide from the respiratory tract into the blood. The default values of the corresponding parameters s p, s pt and s t are 10, 90 and 0.005 d -1 , respectively. Type F Type of absorption (F, fast) of a radionuclide from the respiratory tract into the blood. The default values of the corresponding parameters s p, s pt and s t are 100, 0 and 0 d -1 , respectively. f 1 Fraction of a radionuclide reaching the blood following an ingestion. AMAD Activity Median Aerodynamic Diameter, commonly expressed in micrometers [µm]. It is the median of an aerosol activity distribution with respect to particles aerodynamic diameter. eu(t) Percentage daily urinary excretion at time t for a certain radionuclide. ef(t) Percentage daily fecal excretion at time t for a certain radionuclide. e u(t) Fractional daily urinary excretion at time t for a certain radionuclide. I Intake, i.e. amount of activity of a certain radionuclide introduced into the body. E(50) Committed effective dose for a certain radionuclide (see Annex). H T(50) Committed equivalent dose for a certain radionuclide (see Annex). MDA Minimum Detectable Activity, characterizing the sensitivity performances of a certain techniques of activity measurement. Matrices and vectors are named with capital and small bold letters, respectively: e.g. matrix M and vector v. 4
Chapter 1 Introduction 5
Page 1: Forschungszentrum Karlsruhe in der
Page 4 and 5: Für diesen Bericht behalten wir un
Page 7 and 8: i ABSTRACT The biokinetic model pre
Page 9 and 10: ZUSAMMENFASSUNG Das von der Interna
Page 11 and 12: 1 INDEX OF CONTENTS INDEX OF SYMBOL
Page 13: 3 INDEX OF SYMBOLS Here a short glo
Page 18 and 19: the duties of the Department for Ra
Page 20 and 21: adionuclide. Therefore only isotope
Page 22 and 23: stabilise the +4 oxidation state [1
Page 24 and 25: techniques adopted in the early pha
Page 26 and 27: present in spent and MOX reactor fu
Page 28 and 29: INTRAVENOUS INJECTION skin WOUND bl
Page 30 and 31: functions, defined as retained and
Page 32 and 33: the contamination event, of such as
Page 34 and 35: Table 1.3.2 Indicative 239 Pu detec
Page 36 and 37: The kinetics of Plutonium in the ki
Page 38 and 39: 1.4.2 COMMENTS ON THE ICRP 67 MODEL
Page 41: Chapter 2 Data and measurements 31
Page 44 and 45: Therefore the radiolysis process, m
Page 46 and 47: Recent technologic developments in
Page 48 and 49: eu(t) = 0.19e −0.272t + 0.023e
Page 50 and 51: function for each of the considered
Page 52 and 53: the minimum detectable activity of
Page 54 and 55: 2.2.2 AVAILABLE MEASUREMENTS Immedi
Page 56 and 57: Table 2.2.4 Daily fecal excretion o
Page 58 and 59: elements the spectral distribution
Page 60 and 61: The phoswich detector is based on t
Page 62 and 63: HPGe crystals are produced in cylin
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This quantity is normally expressed
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The peak is located in the region B
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To introduce the second quantity, t
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117 cm 3 h -1 for the incoming and
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Figure 2.3.8 The Lawrence Livermore
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three detectors are used. Two detec
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Table 2.3.4 Efficiency factors of p
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• the necessity of performing mea
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Table 2.3.7 Impulses in the measure
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2.4 ACTIVITY MEASUREMENTS IN BIOASS
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If more then one radionuclide is ma
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L A is the air layer in µgcm -2 ;
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The electrodeposition cell used for
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Table 2.4.1 238 Pu, 239 Pu and 241
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3.1.1 MATHEMATICAL TOOLS 3.1.1.1 So
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calculating the amount of Plutonium
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3.1.2 ANALYSIS OF THE ICRP 67 MODEL
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empirical curves given by Langham,
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the worst performance of the group.
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leave the total clearance from the
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Figure 3.1.4 shows that the use of
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3.1.3 MODIFICATION OF ICRP 67 MODEL
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The structure of Polig’s skeleton
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Percentage daily urinary excretion
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of 0.693d -1 . The values of the F
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the basis of all the reference data
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Table 3.1.10 Transfer rates of the
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3.1.4 VERIFICATION OF THE OPTIMIZED
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Table 3.1.13 Intakes and percentage
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soft tissue ST2 soft tissue ST0 sof
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For the routine application of Mode
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excreted by individuals aged sixty
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Table 3.1.20 Exponents and coeffici
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tract [57] to consider a contaminat
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The sensitivity coefficients for th
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Sensitivity coefficients S i Figure
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transfer rates on the Plutonium uri
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Geometric standard deviations rangi
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3.2 APPLICATION OF THE OPTIMIZED MO
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lymph nodes, as in the LLNL phantom
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Americium in the lungs [Bq] 1000 10
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Daily urinary excretion [Bqd -1 ] 1
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long time is not yet described by t
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excretion that is one of the main i
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The comparison of model’s predict
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Americium in the lungs [Bq] 1000 10
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153 CONCLUSIONS The optimized model
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Annex Quantities used in Radiologic
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present. As the radiation weighting
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w R is the radiation weighting fact
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161 BIBLIOGRAPHY 1. Plutonium. W. K
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29. Nenot, J.-C. and Stather, J. W.
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55. International Atomic Energy Age
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81. Crowley, J., Lanz, H., Scott, K
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107. Hempelmann, L.H., Langham,W.H.
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137. Breitestein, B.D., Newton, C.E
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167. Harrison, J.D., Khursheed, A.,
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JOURNALS OWN PUBLICATIONS RELATED T
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177 ACKNOWLEDGEMENTS Special thanks
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Name: Andrea Luciani Date and place
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