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铅作业者的ＮＡＤ（辅酶Ｉ）合成酶活性低下，可作为铅暴露的影响指标使用。本研究的目的在于解明ＮＡＤＳ（辅酶Ｉ合成酶）活性低下，对于铅暴露是否有特异性。方法：取铅作用者及非暴露者的抗凝（肝素）血，用ＨＰＬＣ法测定ＮＡＤＳ活性及嘧啶－５－核苷酸（Ｐ５Ｎ）。研究?
Lead workers have low NAD (coenzyme I) synthase activity and can be used as an indicator of lead exposure. The purpose of this study was to elucidate whether NADS (coenzyme I synthetase) activity is low and whether there is specificity for lead exposure. Methods: Anticoagulant (heparin) blood was collected from both lead and non-exposed subjects. NADS activity and pyrimidine 5-nucleotides (P5N) were determined by HPLC. the study?