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The relationship between the postmortem interval and the changes of DNA content in rabbit's cornea epithelial and endothelium by the computerized image analysis
Author(s): LIU Chengquan, XIONG Ping
Pages: 76-
77
Year: 2003
Issue:
2
Journal: JOURNAL OF FORENSIC MEDICINE
Keyword: 死后经过时间; PMI图像分析; 家兔; 角膜; DNA含量;
Abstract: 目的探讨家兔角膜上皮和内皮细胞DNA含量与PMI的关系.方法应用计算机图像分析技术,测定105只家兔死后72h内不同时间点家兔角膜上皮和内皮细胞核DNA含量(IOD)的变化值并做统计学分析.结果家兔死后72h内其角膜上皮细胞和内皮细胞核DNA降解速率与PMI具有显著的相关性,并由此归纳出体现DNA降解趋势的二项式回归方程.结论应用计算机图像分析技术,测量机体死后角膜内外皮细胞DNA含量变化,将会成为推断PMI精确、客观的新方法.
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