查询词典 spermidine

The content of cortex spermidine and spermine decreased during 6h and 12h ischemia.

在相应时间，脑组织病理改变呈相应变化。

ConclusionThe GC-SIM-MS method developed in this study has been shown to be suitable with acceptable reproducibility and recoveries for simultaneous determination of putrescine,spermidine and spermine as N-HFB derivatives in hair samples.

该方法使我们能更快更正确地同时检测头发样品中的腐胺、精脒和精胺，能在临床早期诊断和癌症预防方面有一定帮助作用。

Generating rate, MDA content and activity of protective enzymes in leaves of Nymphoides peltatum under different concentrations of Cd2+ stress with 0.01 mmol.L-1 exogenous spermidine.

产生速率和丙二醛含量，以及保护酶——超氧化物歧化酶、过氧化物酶和过氧化氢酶活性的影响。

objective: to explore the effect of spermidine on the cell growth and the telomerase activity in caov3 cells.

目的：探讨精脒对caov3卵巢癌细胞的生长和端粒酶活性的影响。

It is illustrated that the DNA condensates display appreciabledimensional variations at the vicinity of critical spermidine concentrations.

这个方法被证明是研究临界致凝浓度附近的DNA的行为的有效途径，对DNA有序凝聚这一领域研究的方法学的建立具有一定的意义。

When the concentration of magnesium ion was reduced to 1.5μM,the incorporation of 3H-leucine could be increased by spermidine added at concentration below 500μM.

当麦胚体系中镁离子低到1.5mM时，精脒的浓度对兔胰mRNA的翻译也有重要的作用。

It is furthernoticed that the local-ordered characteristics of toroids is determined by thecrosslinking effects of spermidine to DNA chains as well as the theperisistence length of DNA in that circumstance.

研究了DNA刚性长度的变化现象及亚精胺分子的桥联作用对有序凝聚的影响，提出了具有不同种微结构特征的DNA凝聚环具有相似的启动机制的观点。

Moreover, the decline of contents of soluble protein and root vigor in roots of rice cultivars was alleviated by exogenous spermidine treatment.

这表明，外源亚精胺可缓解盐胁迫对两品种水稻根系的伤害，并且对盐敏感品种Peta的缓解作用大于耐盐品种Pokkali。

Telomerase activity of caov3 cells' telomerase extraction treated with spermidine for 2 hours had no significant difference from the control group.

结果：在细胞培养过程中，外源性增加精脒浓度可使细胞生长速度加快。

The content was much higher with the addition of sprayed spermidine than with only a single Cd2+ treatment, and the trend of decrease was lower.

在单一Cd2+处理条件下， SOD、POD和CAT活性分别在Cd2+浓度为1、 1和2 mg.L-1时达到最高值，而后随着Cd2+浓度的增加其活性逐渐下降。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。