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大鼠静脉注射铅后的潴留、分布及排泄

Retention, distribution, and excretion of lead by the rat after intravenous injection.

作者信息

Morgan A, Holmes A, Evans J C

出版信息

Br J Ind Med. 1977 Feb;34(1):37-42. doi: 10.1136/oem.34.1.37.

DOI:10.1136/oem.34.1.37
PMID:843462
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC1008170/
Abstract

The distribution and excretion of lead was studied during a period of about a week after a single intravenous injection of 203Pb as chloride accompanied by less than 1 microng of lead carrier. The peak concentration in venous blood was reached after about an hour when it contained 35 to 40% of the administered activity. The subsequent decline in concentration was much more rapid than is observed in man. The main storage organs were the kidneys and bone. Initially, 20% of the dose could be accounted for in the kidney and the biological half-life was about 100 hours. The level in bone built up rapidly at first and then more slowly. After a week, between 25 and 30% of the dose was present in bone.

摘要

在单次静脉注射203Pb氯化物(伴有少于1微克铅载体)后的大约一周时间内,对铅的分布和排泄进行了研究。静脉血中的峰值浓度在约一小时后达到,此时其含有给药活性的35%至40%。随后浓度的下降比在人类中观察到的要快得多。主要的储存器官是肾脏和骨骼。最初,剂量的20%可在肾脏中找到,生物半衰期约为100小时。骨骼中的水平起初迅速上升,然后上升得较慢。一周后,剂量的25%至30%存在于骨骼中。

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本文引用的文献

1
KINETICS OF THE DISTRIBUTION AND EXCRETION OF LEAD IN THE RAT.大鼠体内铅的分布与排泄动力学
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Uptake of lead by inhalation of motor exhaust.通过吸入汽车尾气摄取铅。
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