| 1. | Through reverse adsorption and elution , sam could be separated from the cell extract
Sam在酸性条件下带正电荷，能与阳离子交换树脂进行离子交换。 |
| 2. | They are using adult stem cells extracted from patients ' bone marrow to generate new tissue in damaged areas
他们使用抽取自病人骨髓的成体干细胞，使其在受损区域产生新组织。 |
| 3. | The binding activity of the hsf to heat shock element ( hse ) was induced by heat shock ( 44 ) of a maize whole cell extract
在体外44热激玉米幼苗全细胞提取液可诱导hsf的dna结合活性。 |
| 4. | 2 . preparation of crude cell extracts ; the cultured cells were treated with different medium containing 17 - e2 and / or progesterone of different concentration
用不同浓度的雌激素分别处理卵巢癌组织的端粒酶提取液zh h在h ，加乙醇提纯，去乙醇，放置一20冰箱待用。 |
| 5. | Western blot analysis of fractionated cell extracts reveals that mature mint is cleaved into approximately 110 kda ( n - terminal ) and approximately 250 kda ( c - terminal ) fragments
韩驿教授与thofljo研究组合作对小鼠的mtwt进行了基因剔除，对dopartmentofmedicalgenet 。 。 |
| 6. | Chicago ( reuters health ) - stem cells extracted from amniotic fluid can be induced to grow on a polymer scaffold into a fully functional human heart valve that will open and close like a native valve , swiss researchers report
芝加哥（路透卫生） -瑞士研究者报道称，分离自羊水的干细胞可以在高分子骨架上被诱导生长成为有完全功能的人心脏瓣膜，该瓣膜能够象天然的瓣膜一样开合。 |
| 7. | When mms was added directly to s . cerevisiae s288c cell extracts immediately before primer addition , telomerase activity remained unchanged . thus , a direct influence of mms on trap assay does not seem to be involved in telomerase activation observed after drug treatment
如果在加人引物之前将mms直接加在酿酒酵母5288c细胞蛋白提取物zh ，结果显示端粒酶活性没有变化，因此排除了mms对端粒酶的直接激活作用。 |
| 8. | The e . coli strain jm109 was transformed with resultant plasmid pgex - 4t - 1 / 6 - 4 . 4 . the transformation was induced with iptg , then the total protein from cell extract was analyzed by electrophoresis on a 8 % sds - page in order to validate the gst fusion protein , and the fusion protein is about 90kd
4 .用工ptg诱导含pgex一4t一1 / 6一4的转化菌，提取初提物中的总蛋白，进行sds一聚丙烯酞胺凝胶电泳，检测表达的融合蛋白大小越为gokd 。 |
| 9. | The sod activities in these isolates were detected by photochemical method after the peparation of cell extracts , and it was found that the sod activities varied in different isolates , the bacterial strain 276 , which isolated from rice leaves , showed the highest activity of sod among these bacterial isolates
通过光化学方法对这些细菌中的sod活性进行了检测，结果发现在所有细菌sod的活性中，从水稻叶片中分离得到的276菌株中的sod的活性最高。 |
| 10. | - acetolactate decarboxylase is purifed from cell extract by 50 % - 80 % ammonium sulfate - fractionation , 50 , 2min heat treatment and deae - sepharose fast flow column chromatography , which we study the different ph and different buffer of deae - sepharose fast flow column chromatography and conclude ph 6
对其酶学性质进行了研究。 -乙酰乳酸脱羧酶经50 80硫酸铵分级沉淀、 50 ， 2min热处理、 deae - sepharosefastflow离子交换柱层析方法分离纯化。 |
