n-acetylation reaction 乙酰化反应
It has been known for some time that the acetylation of N-termini of core histones in nucleosome is associated with gene activation.
人们很早就注意到，真核细胞中核小体核心组蛋白N-端尾部的乙酰化水平与基因活化密切相关。
By high acetylation of chitosan at N position with acetic anhydride in a homogeneous medium known as acetic solution–alcohol-pyridine system, water-soluble chitosan was prepared.
探讨了如何控制在均相条件下以高脱乙酰度的壳聚糖为主要原料，在乙酸水溶液- 乙醇- 吡啶介质中实现壳聚糖N位乙酰化反应的问题；
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