TRANSFERENCE, RETENTION AS WELL AS DOSE-ESTIMATION OF <sup>134</sup>Cs IN THE RAT S WHOLE BODY, SKELETON AND TESTES

Zhu Shoupeng; Xia Fen; Yang Weidong

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TRANSFERENCE, RETENTION AS WELL AS DOSE-ESTIMATION OF ¹³⁴Cs IN THE RAT S WHOLE BODY, SKELETON AND TESTES

更新时间：2023-04-23

- TRANSFERENCE, RETENTION AS WELL AS DOSE-ESTIMATION OF ¹³⁴Cs IN THE RAT S WHOLE BODY, SKELETON AND TESTES
- Journal of Radiation Research and Radiation Processing Vol. 12, Issue 1, Pages: 30-33,39(1994)
- 作者机构：
  
  1.苏州医学院放射医学系，苏州　215007
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Zhu Shoupeng, Xia Fen, Yang Weidong. TRANSFERENCE, RETENTION AS WELL AS DOSE-ESTIMATION OF ¹³⁴Cs IN THE RAT S WHOLE BODY, SKELETON AND TESTES. [J]. Journal of Radiation Research and Radiation Processing 12(1):30-33,39(1994)
DOI：

Zhu Shoupeng, Xia Fen, Yang Weidong. TRANSFERENCE, RETENTION AS WELL AS DOSE-ESTIMATION OF ¹³⁴Cs IN THE RAT S WHOLE BODY, SKELETON AND TESTES. [J]. Journal of Radiation Research and Radiation Processing 12(1):30-33,39(1994) DOI：

摘要

研究了裂片,134,Cs内污染时在整体水平、骨骼和睾丸的转运、滞留，及其相应的吸收剂量估算。用整体测量装置探讨,134,Cs在整体的滞留，拟合的滞留方程为：R(t)=18.04 e,-9.3175t,+45.13e,-0.0423t,在整体滞留过程中包括两个滞留半减期，其中快组分T,1,=0.07 d，而慢组分T,2,=16.38 d。并估算了其吸收剂量。根据,134,Cs在骨骼和睾丸中7周内的转运和滞留动态变化，拟合了,134,Cs在骨组织的滞留方程为：R（t）=0.0029 e,-0.121t,，观察到在骨中的滞留半减期只有5.73 d。而拟合的,134,Cs在睾丸中的滞留方程为：R（t）=0.0047e,-0.133t,，即在睾丸中的滞留半减期亦只有5.21 d。可见随着,134,Cs内污染后时间的延长，其在骨骼和睾丸中的滞留均可迅速下降，而其吸收剂量呈缓慢增长。

Abstract

In this paper the whole body transference and retention dynamics of ,134,Cs by whole body counter were well described by a two-exponential function, that is: R(t)=18.04 e,-9.3157t,+45.13 e,-0.0473t,. There are two retention components, fast and slow. The effective and biological T,1/2, were 0.07 and 16.38 days respectively. Results indicated that after i. v. injection radionuclides ,134,Cs through 7 weeks observation, the retention data in skeleton could be fit well by an exponential expression: R(t)=0.0029 e,-0.121t,. Where the retention T,1/2, was only 5.73 d. While the retention data of ,134,Cs in testes also could be well described by an exponential equation: R(t)=0.0047 e,-0.133t,. Where the retention T,1/2, was also only 5.21 d. As a whole, the study showed that the dynamic retention of radioactivities of ,134,Cs in the whole body, skeleton and testes fall rapidly with the prolongation of observing time. So that the absorption dose in the whole body, skeleton and testes rose slowly.

关键词

裂片134Cs骨骼睾丸滞留剂量估算

Keywords

Fission fragment 134CsSkeletonTestesRetentionDose-estimation

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TRANSFERENCE, RETENTION AS WELL AS DOSE-ESTIMATION OF 134Cs IN THE RAT S WHOLE BODY, SKELETON AND TESTES

DOI：

摘要

Abstract

关键词

Keywords

references

TRANSFERENCE, RETENTION AS WELL AS DOSE-ESTIMATION OF ¹³⁴Cs IN THE RAT S WHOLE BODY, SKELETON AND TESTES