studies on extracting and purifying edible pigment from natural annatto 天然紅木食用色素的提取與純化研究
the method we used to extract and purify the water-soluble one was somewhat different from that we used in liposoluble pdne 其提取步驟和脂溶性物質(zhì)pdne的提取分離稍有差別。
the nuclei and nucleoli were extracted and purified and the sclerotia were induced from fuligo septica phaneroplasmodium, and then they were observed under tem 從煤絨菌顯型原質(zhì)團(tuán)中提純細(xì)胞核、核仁,誘導(dǎo)原質(zhì)團(tuán)形成菌核,并在透射電鏡下觀察。
after the produre of extracting and purifying immunogen, the production of monoclonal antibodies was carried out . three balb / c mice, 6-week old, were used for immunization 首先選擇六周齡的balb/c小鼠三只,按照免疫方案進(jìn)行尾靜脈和皮下的注射。
the first part of our experiment is to extract and purify the total rna from the human liver tissue in the condition without rnase and to identify its integrity and purity 本研究第一部分包括肝組織中總rna的分離提取;rt-pcr擴(kuò)增出血管抑素基因。首先,采集術(shù)后新鮮肝組織,并于無(wú)rnase的條件下分離純化總rna。