共查询到19条相似文献,搜索用时 46 毫秒
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高效毛细管电泳(High Performance Capillary Electrophotesis,缩写为HPCE)又称毛细管区带电泳,是近年来发展起来的一种新型分离技术。由于这一技术具有高压液相色谱和凝胶电泳的优点,并且具有快速、分辨率高、重复性好的特点,已在国际学术界引起强烈的反响和关注。 相似文献
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毛细管电泳技术在药物分析中的应用 总被引:1,自引:0,他引:1
本文综述了毛细管屯泳技术在中药、西药及中西药复方制卉畸分析中的应用以及研究进展,比较了毛细管电泳技术在中药和西药分析应用中的异同点,同时也对毛细管电泳新技术在医药分析中的应用做出了展望. 相似文献
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论述了毛细管电泳法的优点及在分离等众多领域的应用前景。阐述了毛细管电泳技术的分离模式、分离原理、联用技术及涂层技术。着重介绍了毛细管电泳介孔材料涂层技术的原理及应用,如涂层技术在毛细管电泳法分析过程中的研究及发展,在药物拆分、环境监测、临床检测等领域应用等。 相似文献
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随着高效毛细管电泳(high performance capillary electrophoresis,HPCE)技术的不断发展,其在生物制品的质量控制方面表现出较高的实用价值和良好的应用前景。本文现就HPCE技术近年来在疫苗、抗体等生物制品的质量控制中的应用作一综述。 相似文献
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介绍了以硼砂- 磷酸盐为缓冲溶液,应用高效毛细管区带电泳技术测定泛酸钙含量的方法。平均回收率为95 .6 % 。方法简便、快速、准确、重现性好。 相似文献
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《分离科学与技术》2012,47(18):2419-2433
Abstract A new mode for operating capillary electrophoresis for separation of anions without using buffer modifiers has been demonstrated. Reverse direction anion capillary electrophoresis, as the new mode is designated, is performed on two anions, nitrate and nitrite, with similar electrophoretic mobilities at various buffer pH values. Since electroosmotic flow increases as buffer pH is increased, it is shown that resolution is poor at low pH and enhanced at neutral to high pH. Model equations are derived for predicting the resolution and number of theoretical plates for reverse direction anion capillary electrophoresis. From these equations, system efficiency (N) and resolution are plotted as a function of electroosmotic mobility to illustrate how performance can be improved by an increase in electroosmotic flow. 相似文献
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在分离分析的实践中,广大研究人员发展了多种样品富集方法以提高毛细管电泳技术的检测灵敏度。该文评述了国内外近年来在毛细管电泳技术的样品富集方法方面的最新进展,包括在线堆集、pH调制、动态pH联接、扫集、液液萃取、移动反应界面法等富集技术,并介绍了这些技术的应用实例。共引用文献41篇。 相似文献
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Natalia Zarba ukasz Lewandowski Dominika Kunachowicz Rene Kizek Marta Kepinska 《International journal of molecular sciences》2021,22(11)
Quantum dots (QDs) have a broad range of applications in cell biolabeling, cancer treatment, metastasis imaging, and therapeutic drug monitoring. Despite their wide use, relatively little is known about their influence on other molecules. Interactions between QDs and proteins can influence the properties of both nanoparticles and proteins. The effect of mercaptosuccinic acid-capped CdTe QDs on intercellular copper–zinc superoxide dismutase (SOD1)—one of the main enzymatic antioxidants—was investigated. Incubation of SOD1 with QDs caused an increase in SOD1 activity, unlike in the case of CdCl2, which inhibited SOD1. Moreover, this effect on SOD1 increased with the size and potential of QDs, although the effect became clearly visible in higher concentrations of QDs. The intensity of QD-SOD1 fluorescence, analyzed with the use of capillary electrophoresis with laser-induced fluorescence detection, was dependent on SOD1 concentration. In the case of green QDs, the fluorescence signal decreased with increasing SOD1 concentration. In contrast, the signal strength for Y-QD complexes was not dependent on SOD1 dilutions. The migration time of QDs and their complexes with SOD1 varied depending on the type of QD used. The migration time of G-QD complexes with SOD1 differed slightly. However, in the case of Y-QD complexes with SOD1, the differences in the migration time were not dependent on SOD concentration. This research shows that QDs interact with SOD1 and the influence of QDs on SOD activity is size-dependent. With this knowledge, one might be able to control the activation/inhibition of specific enzymes, such as SOD1. 相似文献
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非环化糖类手性选择剂是一种新型的手性选择剂,能对一些难以用环糊精类化合物分离的手性药物对映体进行分离,本文以非环化糖类中的可溶性淀粉作为手性选择剂,探讨了其在毛细管电泳手性药物分离中的优化条件。 相似文献