methylation

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

确定以硫酸二甲酯为N——甲剂,对对氨苯甲酸PABA进行N——二甲.

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甲已经成为表观遗传学和表观因组学重要研究内容，人类表观因组计划目标是绘制出人类因组中甲可变位点图谱。