1)  Base stacking
碱基堆积
2)  base stacking repair
碱基堆积修复
3)  bases
碱基
1.
Separation of Nucleosides and Bases by HPLC with Stationary Phase of N-henylaminomethyl Bonded Silica Gel;
核苷与碱基的苯胺甲基键合硅胶固定相高效液相色谱分离
2.
HPLC determination of several nucleosides and bases in Cordyceps sp.mycelium fermentation preparations;
HPLC分析虫草发酵制品中多种核苷及碱基
3.
Separations of bases on this stationary phase were achieved with .
研究了碱基在十二胺 N,N 二亚甲基膦酸(DDPA)改性氧化锆固定相(DPZ)上的色谱保留行为,考察了流动相中甲醇含量、流动相pH值、缓冲溶液中离子类型和离子强度对碱基保留的影响,对DDPA在氧化锆表面的吸附方式进行了研究。
4)  base
碱基
1.
Application of principal component analysis in date processing of quantum chemistry calculations on nucleic acid bases;
主成分分析方法在核酸碱基量子化学计算数据处理中的应用
2.
Simultaneous determination of ergosterol, nucleosides and their bases from natural and cultured Cordyceps by pressurized solvent extraction and high performance liquid chromatography;
加压溶剂提取高效液相色谱法测定天然和人工虫草中的麦角甾醇、核苷及其碱基
3.
Analysis of DNA base component of bacillus;
芽孢杆菌的DNA碱基组分分析
5)  alkali base
碱基
1.
The method of hierarchical cluster analysis is used to count up and analyze thecontents and correlation of four alkali bases in twenty DNA sequences whose category are known.
 采用系统聚类分析方法,对已知类别的20种叫A序列中4种碱基的含量及各碱基之间的相关性进行了统计分析,发现不同类别的叫A序列中碱基的排列兵有明显的规律性,由此建立了一种DNA序列分类的方法,井运用统计分析对这种分类方法的合理性给予了检验。
6)  basicity
碱基度
1.
The influence of fly ash on partition characteristics of heavy metals before and after melting treatment was studied , including the melting temperature, melting time and the basicity.
研究探讨了熔融温度、熔融时间、碱基度对飞灰熔融处理前后重金属分布特性的影响。
参考词条
补充资料:碱基堆积
分子式:
CAS号:

性质:DNA的二级结构,是一种外侧为糖—磷酸骨架的碱基指向内侧的双螺旋,两条链是反向平行的,即一条链的3′-端与互补链的5′-端相匹配,互补碱基配对是A对T,G对C,都由一种稳定的氢键结构维系在一起,前者形成两个氢键,后者形成三个氢键。两个糖—磷酸骨架间的间隙为配对碱基所填充,碱基对垂直方向上也能相互作用,导致碱基“堆积”,赋予双螺旋结构额外的稳定性。

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