Therium in human tissues

목차 (Table of Contents)

• CONTENTS
• Executive Summary = ⅲ
• Acknowledgements = ⅵ
• List of Tables = ⅶ
• List of Figures = ⅸ
• 1. Introduction and Experimental Approach = 1
• 2. Review of Relevant Properties of Thorium = 3
• 2.1 Thorium Distribution in the Environment = 3
• 2.2 Radiological and Chemical Properties of Thorium = 4
• 2.3 Distribution Pattern of Thorium among Tissues = 7
• 2.4 Review of Thorium Measurements in Man = 9
• 3. Experimental Plan = 10
• 3.1 Tissue Collection = 10
• 3.2 The Utilization of Thorium-229 as an Isotopic Tracer = 11
• 3.3 Development of an Analytical Technique for the Determination of Alpha-Emitting Radionuclides of Thorium in Soft Tissues and Bone = 16
• 3.4 Data Presentation and Associated Error = 24
• 3.5 Critical Level for Detection of Net Activity = 26
• 3.6 Analytical Quality Control = 29
• 4. Stable Calcium Determination in Tissues = 32
• 5. Thorium Concentrations Measured in Soil and Air = 34
• 5.1 Results of Measurements of Thorium in Grand Junction Soil = 34
• 5.2 Results of Thorium Measurements in Air Samples and Human Lungs from New York City = 37
• 6. Results of Thorium Measurements in Huma Tissues = 41
• 6.1 Characteristics of the Poulations Sampled = 41
• 6.2 Estimates of Central Tendency and the Appropriate Statistical Test = 42
• 6.3 Concentration of Thorium in Tissues for the Cases Without Known Occupational Exposure = 43
• 6.4 Thorium Concentration in Two Occupational-Exposure Cases = 44
• 7. A Comparison of Thorium Concentration in Tissues from Grand Junction and Washington, D.C. = 50
• 8. A Comparison of Thorium Concentration in Lungs from Smokers and Non-Smokers = 55
• 9. The Distribution of Thorium in the Human Body = 57
• 10. Radiation Dose from Environmental Thorium to Major Organs = 62
• 11. Accumulation of Thorium in Bone with Age = 65
• 12. The Biological Half-Life ($$t_b$$) of Thorium in Lung = 71
• 13. Summary and General Conclusions = 76
• Reference = 81
• Appendix A = 87
• Appendix B = 97