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外文期刊>Pediatric Research
>Postmortem Time and Storage Temperature Affect the Concentrations of Hypoxanthine, other Purines, Pyrimidines, and Nucleosides in Avian and Porcine Vitreous Humor
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Postmortem Time and Storage Temperature Affect the Concentrations of Hypoxanthine, other Purines, Pyrimidines, and Nucleosides in Avian and Porcine Vitreous Humor
An HPLC method was used to determine whether postmortem time and storage temperature affect the concentrations of purines, pyrimidines, and nucleosides in avian and porcine vitreous humor. Inosine, hypoxanthine, xanthine, uric acid, uracil, uridine, and thymine were identified in the vitreous humor of chickens (Gallus domestlcus). Time from death to sample collection (0-192 h) influenced the concentrations of all seven compounds (p p pp < 0.0001). It was concluded that postmortem time and temperature are factors that must be taken into consideration when making comparisons of purines, pyrimidines, and nucleosides between groups and in relating postmortem vitreous humor hypoxanthine concentrations to antemortem hypoxia.
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机译:HPLC方法用于确定死后时间和储存温度是否影响禽和猪玻璃体液中嘌呤,嘧啶和核苷的浓度。在鸡的玻璃体液中鉴定出了肌苷,次黄嘌呤,黄嘌呤,尿酸,尿嘧啶,尿苷和胸腺嘧啶。从死亡到收集样品的时间(0-192小时)影响所有七种化合物的浓度(pp p pp <0.0001)。得出的结论是,在比较各组之间的嘌呤,嘧啶和核苷以及将尸体玻璃体次黄嘌呤浓度与尸体缺氧相关时,必须考虑尸体解剖的时间和温度。
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