methylation

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

确定以硫酸甲酯为N——甲基剂,对对氨基苯甲酸PABAN——甲基.

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甲基已经成为表学和表基因组学的重要研究内容，人类表基因组计划的最终目标是绘制出人类基因组中甲基可变位点图谱。