几种条件下储存的干血斑中叶酸的长期稳定性。
Long-term stability of folate in dried blood spots stored in several conditions.
机构信息
Department of Pediatric Epidemiology and Clinical Research, University of Minnesota, Minneapolis, MN 55455, USA.
出版信息
J Pediatr. 2013 Aug;163(2):596-597.e1. doi: 10.1016/j.jpeds.2013.03.043. Epub 2013 Apr 25.
Abstract
We examined stability of folate in 50 subjects’ dried cord blood spots stored for 9 months at −80 °C, 4 °C, ambient and humid conditions. Mean folate declined progressively, but most subjects were +/− 3 ranks of their −80 °C position. Meaningful information about relative concentrations was retained across conditions.
摘要
我们检测了 50 名个体的干脐带血斑样本在 -80°C、4°C、室温及高湿度条件下储存 9 个月后的叶酸稳定性。样本中的叶酸含量呈逐渐下降趋势，但大多数样本仍处于 -80°C 储存位置时的±3 个等级内。各储存条件下，样本中叶酸的相对浓度信息仍有保留。
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