Studies on mass attenuation coefficient, effective atomic number and electron density of some vitamins

被引：30
|
作者：
Demir, D. [1 ]
Tursucu, A. [1 ]
Oznuluer, T. [2 ]
机构：
[1] Ataturk Univ, Fac Sci, Dept Phys, TR-25240 Erzurum, Turkey
[2] Ataturk Univ, Dept Chem, Fac Sci, TR-25240 Erzurum, Turkey
来源：
RADIATION AND ENVIRONMENTAL BIOPHYSICS | 2012年 / 51卷 / 04期
关键词：
Mass attenuation coefficient; Atomic cross-section; Electronic cross-section; Effective atomic number; Effective electron density; ENERGY-ABSORPTION-COEFFICIENTS; PHOTON INTERACTION;
D O I：
10.1007/s00411-012-0427-8
中图分类号：
Q [生物科学];
学科分类号：
07 ; 0710 ; 09 ;
摘要：
Mass attenuation coefficient, , atomic cross-section, , electronic cross-section, , effective atomic number, and effective electron density, , were determined experimentally and theoretically for some vitamins (retinol, beta-carotene, thiamine, riboflavin, niacinamide, pantothenic acid, pyridoxine, biotin, folic acid, cyanocobalamin, ascorbic acid, cholecalciferol, alpha-tocopherol, ketamine, hesperidin) at 30.82, 59.54, 80.99, 356.61, 661.66 and 1,408.01 keV photon energies using a NaI(Tl) scintillation detector. The theoretical mass attenuation coefficients were estimated using mixture rules. The calculated values were compared with the experimental values for all vitamins.
引用
收藏
页码：469 / 475
页数：7
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