使用Trizol中，乙醇沉淀(ethanol precipitation)效果的好坏和RNA的量有密切的关系，因此对于少量样品，沉淀法往往得不到最终的RNA产物。
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The crude water-soluble polysaccharide (CLPS) was obtained from Cinnamomum camphora leaves by boiled water extraction and ethanol precipitation.
进一步采用沸水提取、乙醇沉淀的方法,从芳樟叶中提取得到水溶性粗多糖CLPS。
参考来源 - 芳樟叶黄酮和多糖的提取分离、结构鉴定及抗氧化活性研究·2,447,543篇论文数据，部分数据来源于NoteExpress
与乙醇沉淀法进行纯化效果的比较。
The purification results of macroporuos adsorption resin were compared with the alcohol sedimentation.
用微量吸样器收集DNA，乙醇沉淀和清洗。
The DNA is collected with a pipet, then precipitated and wash with ethanol.
本试验采用超滤浓缩后乙醇沉淀制备南瓜果胶。
The pumpkin pectin was obtained by alcohol precipitation after ultrafiltration.
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