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   frozen carrier 的翻译结果: 查询用时:0.006秒
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畜牧与动物医学
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frozen carrier
相关语句
  冷冻载体
     1. The effect of frozen carrier on vitrification cryopreservation.
     1 冷冻载体对水牛卵母细胞快速玻璃化冷冻保存效果的影响。
短句来源
  相似匹配句对
     The Carrier
     浅谈催化反应中活性组分的载体
短句来源
     1. The effect of frozen carrier on vitrification cryopreservation.
     1 冷冻载体对水牛卵母细胞快速玻璃化冷冻保存效果的影响。
短句来源
     Frozen Yogurt
     冷冻酸奶
短句来源
     Identification of the carrier
     承运人识别的法律问题
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     With PVA as the carrier,the frozen beer yeast cells were immobilized for production of CTP from CMP.
     以聚乙烯醇为固定化载体,固定化冷冻处理过的啤酒酵母细胞从CMP制备CTP;
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Porcine oocytes have their own special physiological structure.The freezing efficient has been quite low and the related researches on cryopreservation of porcine oocytes are still remained in probing step.The freezing method of porcine oocytes mainly included quick freezing and vitrification methods.The latter seemed to be superior to the former in freezing efficient.The application of vitrification in pig could cause better result than programmed freezing method.Vitrification...

Porcine oocytes have their own special physiological structure.The freezing efficient has been quite low and the related researches on cryopreservation of porcine oocytes are still remained in probing step.The freezing method of porcine oocytes mainly included quick freezing and vitrification methods.The latter seemed to be superior to the former in freezing efficient.The application of vitrification in pig could cause better result than programmed freezing method.Vitrification included OPS method,microdroplet method and electron microscopic grid method.The freezing carriers were chosen for improvement. In addition,cryoprotectants and freezing procedures were remained to be improved and optimized in order to further improve the freezing efficient.

猪卵母细胞有其特殊的生理构造,其冷冻效率一直很低,有关猪卵母细胞冷冻保存的研究尚处在探索阶段。猪卵母细胞冷冻保存方法,主要有快速冷冻和玻璃化冷冻两种,后者的冷冻效果似乎要优于前者,暗示着玻璃化冷冻在猪上的应用可能比程序化法更为优越。在玻璃化冷冻方面,包括OPS法、微滴法和电镜铜网法等,都是在冷冻载体上加以改进。此外,在冷冻保护剂、冷冻程序等方面,仍需要改进和优化,以期进一步提高猪卵母细胞的冷冻效率。

Objective: To explore the feasibility of cryoloop for vitrifying spermatozoa without cryoprotectants,and seek for a suitable freezing carrier for testicular or epididymal sperm. Methods: Normal sperm were frozen by conventional freezing protocol and vitrification without cryoprotectants respectively. The mobility,viability and ultrastructures of frozen-thawed sperm of two freezing protocols were compared. Results: Motility and viability were of no statistic differences between the...

Objective: To explore the feasibility of cryoloop for vitrifying spermatozoa without cryoprotectants,and seek for a suitable freezing carrier for testicular or epididymal sperm. Methods: Normal sperm were frozen by conventional freezing protocol and vitrification without cryoprotectants respectively. The mobility,viability and ultrastructures of frozen-thawed sperm of two freezing protocols were compared. Results: Motility and viability were of no statistic differences between the two freezing groups (48% vs 48% and 44.5% vs 43.5%,P>0.05),but lower evidently than those of the control group (48% vs 48% vs 89% and 44.5% vs 43.5% vs 88.5%,P<0.001). The ultrastructures of frozen-thawed samples also changed,but the structure of nucleus remained intact. Conclusions: Non-cryoprotectant vitrification with cryoloop is a simple,convenient and effective method to cryopreserve the sperm,and cryoloop is a hopeful freezing carrier for testicular or epididymal sperm.

目的探讨精子冷冻环无保护剂玻璃化冷冻方法的可行性。方法正常精液标本上游处理后,进行常规冷冻和冷冻环无保护剂的玻璃化冷冻,复苏后分别从活力参数及电镜下超微结构等指标比较两种冷冻方法的效果。结果两种方法冷冻后精子存活率、活动率之间差异无显著性(48%∶48%;44.5%∶43.5%,P>0.05),但均较未冷冻的89%和88.5%明显下降(P<0.001)。超微结构亦较未冷冻时发生了一定的改变,但核结构基本保持完整。结论精子冷冻环无保护剂的玻璃化冷冻是一种简单、方便而行之有效的冷冻方法。

 
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