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用作沉淀DNA或RNA的輔助沉淀
注意事項:1ul Glycogen (20mg/ml)即可把少至皮克(pg)級的DNA或RNA從1ml的溶液體系中沉淀出來。用glycogen沉淀后對于后續的細菌轉化沒有干擾,0.001mg/ml glycogen不會抑制TdT