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组织核酸浓度是反映营养因素对机体代谢影响的灵敏而有意义的指标。本法在４℃以下剥离和称重组织，然后冰浴研磨成匀浆，用Ｅｔｈ，Ｂｒ作为荧光探针测定其核酸含量。结果变异系数由原方法的８．９％降至４．８％，提高了灵敏度，同时操作简便，适用于一般实验室成批样品的分析。
Tissue nucleic acid concentration is a sensitive and meaningful indicator of the impact of nutritional factors on body metabolism. This method peels and weaves the tissue below 4 ° C, then homogenates it in an ice bath and determines its nucleic acid content using Eth and Br as fluorescent probes. The coefficient of variation (CV) was reduced from 8.9% in the original method to 4.8%, which improved the sensitivity and was simple to operate. It is suitable for the analysis of batch samples in general laboratories.