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- Objective To envalue the method determine the value of VMA in the urine with laboratory and clinical by using micro column chromatography. 目的对微柱比色法检测尿液香草扁桃酸(VMA)含量进行实验学、临床评价。
- micro column chromatography 微柱层析法
- The interspace of aggregation of colloidal particle forms the inner micro interspace structure of reagent column chromatography silica gel particle. 胶体粒子的集合体的间隙形成试剂柱层析硅胶颗粒内部的微孔隙结构。
- Galangin was obtained by on-step column chromatography of polyamide only once. 运用聚酰胺柱层析-次分离,获得有效成分高良姜素。
- Its homogeneity was identified with Sepharose 6B column chromatography. 紫外光谱显示它不含蛋白质、多肽及核酸。
- A new micro column preconcentration system with actived alumina being used as sorbent was developed for spectrophotometric determination of trace phosphate in natural water. 提出了以活性氧化铝微柱预富集分光光度法测定天然水体中的磷酸根。
- In this paper, we extracted the antioxidative substance from Alpinia oxyphylla Miquel by using column chromatography. 摘要探讨了干柱层析法分离益智渣及益智乙醇提取物的抗氧化成分。
- METHODS: Alcoholic extraction, silica gel, ODS column chromatography and recrystallization were used. 方法:采用工业酒精提取、胶柱层析、DS柱层析和重结晶等方法。
- METHODS CTX-d was fractionated and purified from Naja naja atra venom by column chromatography and RP-HPLC. 方法应用柱层析及RP-HPLC,从眼镜蛇毒粗毒中分离纯化细胞素素(CTX)。
- Results Galangin was obtained by on-step column chromatography of polyamide only once. 结果运用聚酰胺柱层析-次分离,获得有效成分高良姜素。
- Open - tubular capillary electrochromatography(OTCEC) is an emerging micro column electroseparation technique which combines the high selectivity of HPLC and the high efficiency of HPCE. 开管毛细管电色谱是近年发展起来的一种高效、快速的新型微柱分离方法。
- Objective To separate flavonol and flavanonol by the column chromatography of polyamide. 目的采用聚酰胺柱色谱分离黄酮醇与二氢黄酮醇类化合物。
- To set up a sephadex column chromatography method for the determination of polymer impurity in cefotetan disodium. 目的建立葡聚糖凝胶色谱法测定头孢替坦二钠中聚合物的方法。
- Results Pure flavonol and flavanonol were obtained by the column chromatography of polyamide. 结果运用聚酰胺柱色谱法一次分离得高纯度黄酮醇与二氢黄酮醇。
- The molecular weight of the antibiotic substance is 48000 Dalton,tested by sephadex-G75 gel column chromatography. 而且用Sephadex-G75凝胶柱层析法测得抗生物质的分子量为48000道尔顿
- Conclusion: Silica gel column chromatography and crystallization are simple and rapid methods to isolate gardenoside. 结论:柱层析和重结晶方法是简单、速分离栀子苷的有效办法。
- The extract was further purified by column chromatography to get the acicular crystals of reserpine of 99. 将萃取所得产物用硅胶柱色谱进一步分离提纯;得到了质量分数为99.;8%25的利血平针状结晶。
- Methods The compounds were isolated by silica gel column chromatography and identified by spec-tral analysis. 方法通过硅胶柱色谱法分离纯化化合物,谱学方法鉴定其结构。
- Then the extracted material was sequently filtered and sperated by means of silica gel column chromatography. 提取物通过硅胶柱层析分离,得到无辣味的红色色素。
- Silica gel column chromatography was used to separate and purify total alkaloids from Fritillaria ussuriensis Maxim. 目的:对东北特产平贝母的生物碱进行分离纯化研究。