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Relationship between DNA Degradation and Postmortem Interval of Corrupt Corpse
Author(s): 
Pages: 7-9
Year: Issue:  1
Journal: JOURNAL OF FORENSIC MEDICINE

Keyword:  死亡时间推断DNA含量腐败尸体胸骨骨髓;
Abstract: 目的探讨骨髓细胞核DNA含量变化与腐败尸体死亡时间的关系.方法应用DNA高度特异性染色方法Feulgen改良法结合计算机图像分析技术对死后不同时间(0~14d)胸骨骨髓细胞核DNA含量变化进行分析.结果胸骨骨髓细胞核DNA含量随死亡时间延长呈缓慢而规律下降,直至死后两周仍未完全降解.结论死后DNA降解速率与死亡时间呈线性关系,测定死后骨髓细胞核DNA含量可望成为腐败尸体死亡时间推断的新方法.
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