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Change of blood fluoride ion concentration in rabbits and rats inhaling perfluoroisobutylene
Author(s): XU Jin, NIE Zhiyong, SHAO Zhihua, ZHAO Jian, ZHANG Xiancheng, SUN Xiaohong, ZHANG Tianhong, HUANG Chunzuo, LIN Juan, DING Rigao
Pages: 367-
368
Year: 2007
Issue:
6
Journal: CHINESE JOURNAL OF INDUSTRIAL HYGIENE AND OCCUPATIONAL DISEASES
Keyword: 全氟异丁烯; 急性肺损伤; 氟离子;
Abstract: 目的 了解家兔及大鼠吸入全氟异丁烯(PFIB)后血液中氟离子(F-)浓度的变化.方法 家兔6只,雌雄各半;大鼠48只,雌雄各半,随机均分为8组.在动物动态染毒装置中,家兔头部暴露染毒20 min,染毒浓度为(0.300±0.005)mg/L;大鼠头部暴露8 min,染毒浓度为(0.150±0.005)mg/L.测定家兔染毒前和染毒后0、3、6、12、24h时血液中F-浓度;分别测定大鼠染毒前和染毒后0、0.5、1.0、1.5、2.0、2.5、3.0h时血液中F-浓度.结果 与染毒前比较,家兔及大鼠染毒后即刻血液中F-浓度明显升高,差异有统计学意义(P<0.01).大鼠染毒后0.5和1.0 h血液中F-浓度仍明显高于染毒前,差异有统计学意义(P<0.05);至染毒后1.5 h血液中F-浓度与染毒前基本一致.结论 PFIB被动物吸入后迅速与体内物质作用,产物中有可解离出F-的产物,血液中F-浓度升高可为临床提供诊断依据.
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