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目的 寻找在尿中δ 氨基 γ 酮戊酸 (δ ALA U)测定前安全可靠的尿样保存条件。方法 在尿样中加入硼酸 ,分别于室温和 4℃保存 ,另取新鲜尿于 2 0℃保存 ,分别于 0d、4d和 7d测定其δ ALA含量。结果 各保存条件间与 0d比较无显著差异。结论 尿样在 2 0℃保存 7d以及在尿样中加入硼酸保存 7d ,不影响δ ALA U的测定结果。
Objective To find a safe and reliable method for the storage of urine in the urine before the determination of δ-amino-γ-keto-valeric acid (δ ALA U). Methods Boric acid was added to the urine samples and stored at room temperature and 4 ℃ respectively. Fresh urine samples were stored at 20 ℃. The δ ALA contents were measured on 0d, 4d and 7d respectively. Results There was no significant difference between the storage conditions and 0d. Conclusions Urine samples were stored for 7 days at 20 ℃ and stored in urine for 7 days, which did not affect the determination of δ ALA U.