methylation

It is ascertained that the PABA may be N-dimethylated using dimethyl sulfate as a methylation agent.

确定以硫酸酯为N——基剂,对对氨基苯酸PABA进N——基.

In the fields of epigenetics and epigenomics, DNA methylation has been drawn a special attention because of its close correlation to human development and carcinogenesis.

DNA基已经成为传学和基因组学的重要研究内容，人类基因组计划的最终目标是绘制出人类基因组中基可变位点图谱。