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A progress study on the relationship between postmortem interval and the changes of DNA content in the heart cellule of rat
Author(s): XU Hongxin, LIU Yaling, DENG Weinian, DONG Lida, LIU Yan, LIU Liang, WANG Chengyi, PENG Dongbing, QIN Xinzhong
Pages: 193-
196
Year: 2002
Issue:
4
Journal: JOURNAL OF FORENSIC MEDICINE
Keyword: 死亡时间; 图像分析; 大鼠; 心; DNA含量;
Abstract: 目的研究机体的细胞核内DNA含量与死亡时间的关系.方法本实验通过计算机图像系统,选择核面积、积分光密度等7种参数,研究了15只大鼠心肌细胞在死后25~49h细胞核DNA含量的变化规律.结果心肌细胞DNA含量测定适合相对较长死亡时间的推断.结论应用计算机图像分析技术测量机体死后心肌细胞DNA含量将有可能成为推断死亡时间精确、客观的新方法.
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