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作者用超薄层聚丙烯酰胺凝胶等电聚焦法（ＵＬＰＡＧＩＦ）检测了人血痕中类粘蛋白（ＯＲＭ１）的遗传表型，探讨了不同保存温度及保存时间对血痕中ＯＲＭ１型检测结果的影响。结果表明，４℃及室温保存的血痕２４周内仍能１００％检出ＯＲＭ１型，３７℃保存的血痕１２周内可以１００％检出，之后检出率逐渐降低。血痕经超声波处理后１年内仍可１００％检出ＯＲＭ１型，而未经处理的血痕则不能全部检出。检测血清ＯＲＭ１型进行亲子鉴定，共做５个案例，其中１例排除了被控父亲。
The authors used ultrathin layer polyacrylamide gel isoelectric focusing (ULPAGIF) to detect the human phenotype of claudin (ORM1) genetic phenotype, to explore the different storage temperature and storage time on blood test results of the ORM1 type . The results showed that the blood stains preserved at 4 ℃ and room temperature could still detect 100% of the blood samples within 24 weeks, and the blood stains stored at 37 ℃ could be detected 100% within 12 weeks after which the detection rate gradually decreased. Blood stains can still detect 100% of ORM1 within 1 year after ultrasonic treatment, while untreated bloodstain can not be detected completely. Serum ORM1 type for paternity testing, a total of five cases, of which 1 case ruled out the accused father.