利用反相高效液相色谱-质谱联用方法分析了甲锭前体甲基化产物。
The analysis of methidium's precursor methylates was carried out by reversed phase liquid chromatography with UV and MS detectors.
首次分离、纯化了甲基化反应的重要副产物，经元素分析、氢谱、质谱确定为双甲基化产物。
A byproduct in the methylating reaction was separated, purified and determined to be of the dimethylated product for the first time.
结果100%的新鲜组织和24.1%的石蜡包埋组织至少可以得到甲基化和非甲基化产物中的一种产物。
Results 100 % of frozen tissues and 24.1% of paraffin-embedded tissues could get either methylated production or unmethylated production.
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