Grund W
Arch Exp Veterinarmed. 1980;34(3):347-51.
The capability of bradytrophic tissue to store traces of certain elements was used to drawn conclusions as to occupational exposure, with particular reference being made to human hair. Manganese, present in the form of MnO2 aerosol in weld smoke, is of particular relevance to electric welders. Manganese levels were recorded from hair samples obtained from 254 shipyard welders and 237 control persons, the assay being undertaken by means of the neutron activation analysis. Manganese incorporation in hair of shifyard welders usually was five times as high as that in hair of individuals with no exposure, with shipyard welding being characterised by highly unfavourable space conditions. Correlations were also secured between contamination, on the one hand, and effective welding time per day, job conditions, and welding techniques, on the other. No relationships were found to exist between manganese levels in hair and serum. Manganese assessment from human hair, so far undertaken by neutron activation analysis, is a non-invasive exposure test and, therefore, suitable for identifying particularly endangered electric welders for early prophylactic action.
利用营养生长缓慢组织储存某些元素痕迹的能力来推断职业暴露情况，尤其以人类头发为例。焊接烟雾中以二氧化锰气溶胶形式存在的锰，对电焊工尤为重要。从254名造船厂焊工和237名对照人员的头发样本中记录锰含量，采用中子活化分析法进行测定。造船厂焊工头发中的锰含量通常是未接触者头发中锰含量的五倍，造船厂焊接的特点是空间条件非常不利。一方面，污染与每天的有效焊接时间、工作条件和焊接技术之间也存在相关性。未发现头发和血清中的锰含量之间存在关联。迄今为止，通过中子活化分析法对人发进行锰评估是一种非侵入性暴露测试，因此适用于识别特别危险的电焊工以便尽早采取预防措施。
