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——甲基,氨基苯甲酸PABA进行N——二甲基.

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甲基已经成为表观遗传和表观基因重要研究内容，人类表观基因计划最终目标是绘制出人类基因中甲基可变位点图谱。