| 1. | Experience of thin layer chromatography separation and bioassay of platelet activating factor 血小板激活因子薄层层析分离和生物法测定的应用体会 |
| 2. | Polyethylene glycol - accompanied ion - exchange chromatography to purify recombinant hepatitis b virus surface antigen 聚乙二醇伴随式离子交换层析分离重组乙肝病毒表面抗原 |
| 3. | The contraction condition is determined as follows : 35 % ethanol to wash off impurities , 95 % ethanol to wash down caudaside - glycosidase , with 0 . 91 % of gross yield 结果表明采用大孔吸附层析分离提取, 35 %乙醇洗杂质, 95 %乙醇洗脱皂苷,总皂苷得率为0 . 91 % 。 |
| 4. | A white needle crystal was isolated and purified on systematic extraction of the alkaloid by silica gel column and gradient sublimation from oxytropis glabra 摘要采用生物?系统提取、矽胶柱层析分离及梯度升华技术从小花棘豆干草粉中分离出一种白色针状结晶。 |
| 5. | This paper reviewed the mechanism of purification by polyamide chromatography and the development of applying in flavonoids of plants and tea polyphenols of tea and anthraquinone and noble metal 摘要综述了聚酰胺的层析分离作用机理,以及在黄酮类物质、茶多酚、醌以及贵金属分离提取中的应用现状。 |
| 6. | But the mutation of this gene has not been found in those samples by pcr - sscp and this indicated that this gene might carry out its function through up - regulation or down - regulation 将表达产物破包涵体后经glutathinonesepharose4b柱亲和层析分离, sds page显示纯化的蛋白质为一分子量60kd的单一蛋白带。 |
| 7. | In the process of experiment , we separated better efficient antioxidative fractions by silica gel column chromatography with different extensible reagent , ethyl acetate : hexane ( 3 : 7 ) and chloroform : methanol ( 9 : 1 ) 实验中采用乙酸乙酯环己烷( 3 : 7 ) 、氯仿甲醇( 9 : 1 )为展开剂依次二次干柱层析分离出抗氧化物质。 |
| 8. | Methods 1 mr1 hybridoma was cultured in hollow fibre system . culture supernatant was harvested , then precipitated by half - saturated ammonia sulphate . mfm was purified by deae - sephacel ion exchange chromatography . mri concentration was measured by elisa 硫酸钱半饱和沉淀, oeae阴离子交换层析分离纯化抗co40l单克隆抗体mri 。 pbs透析后, 505一队ge检测纯化抗体的纯度, eusa测定抗体浓度。 |
| 9. | The large - scale expression product is concentrated and desalted by ultra - filter , and the target protein is separated by affinity chromatography with chitin , and then cut by cnbr . the purified product appears evident antibacterial activity with method of agar diffusion 采用优化的表达条件进行大量发酵,对上清液超滤浓缩脱盐后,采用几丁质基质进行亲和层析分离目的蛋白,溴化氰切割,琼脂孔穴法测抗菌活性。 |
| 10. | Abstract : the extract of seeds of vitex negundo l . was separated chromatographycally and purified to obtain nine components . six components of them had been showm as strong antioxidative activity , and identified preliminarily as flavonoids . three components of them were determined to be chalcones 文摘:对黄荆籽提取物进行柱层析、薄层层析分离得9个成分,其中6个抗氧化效果明显,初步鉴定为黄酮类化合物,其中三种为查耳酮类化合物 |