Application of affinity chromatography and its mathematical model in study of active components of traditional Chinese medicine / 中国中药杂志

Affinity chromatography is characterized by its high specificity,high recovery rate and sensitivity,and it has been widely used in the selection of active ingredients of traditional Chinese medicine,separation and enrichment of low molecular weight sugars and protein peptides,research on mechanism of action and discovery of targets.This paper reviewed the application of affinity chromatography and its adsorption isotherm model,kinetic model and adsorption thermodynamic mechanism in the field of traditional Chinese medicine.This summarizes and provides thinking for comprehensive applications of affinity chromatography theory in the field of active ingredient screening,purification and medicine interaction.

Study on mechanism and structure-activity relationship of hypolipidemic polysaccharides: a review / 中国中药杂志

Hypolipidemic polysaccharides have notable activity and safety with a range of diverse sources. In this paper, the classification of hypolipidemic polysaccharides was carried out into polysaccharide sulfate, glycosaminoglycan, homopolysaccharide and heteropolysaccharide. The hypolipidemic activity mechanism and structure-activity relationship hypothesis of those polysaccharides in recent years were briefly reviewed therefore to provide references for the study and product development of polysaccharides.

Progresses in screening active compounds from herbal medicine by affinity chromatography / 中国中药杂志

Affinity chromatography is a chromatographic method for separating molecules using the binding characteristics of the stationary phase with potential drug molecules. This method can be performed as a high throughput screening method and a chromatographic separation method to screen a variety of active drugs. This paper summarizes the history of affinity chromatography, screening technology of affinity chromatography, and application of affinity chromatography in screening bio-active compounds in herbal medicines, and then discusses its application prospects, in order to broaden applications of the affinity chromatography in drug screening.

Preparation of pluronic/bile salt/phospholipid mixed micelles as drug solubility enhancer and study the effect of the PPO block size on the solubility of pyrene

Pluronic/bile salt/phospholipid mixed micelles [Pluronic/BS/PS-MM] drug carrier system for solubilization hydrophobic drugs was developed. A typical hydrophobic compound, pyrene, was selected as a representative hydrophobic compound to model the hydrophobic drugs. Five Pluronics, F68, F88, F98, F108, and F127 with different PPO chain length were studied. CMC data and solubilization capacities were obtained from a pyrene solubilization method. A closed association model was used to obtain the thermodynamic parameters: Gibbs free energy [DELTA G[Degree sign]], enthalpy, [DELTA H[degree sign]] and entropy [DELTA S[degree sign]] of micellization. The results obtained from these experiments suggest that the mixed micelles was more stable and solubilize more pyrene than single one; and the solubilization of pyrene was strong effected by the PPO block size, thus accentuating synergistic interaction mechanism in Pluronic/BS/PS-MM. The study generated an important dataset so as to compare the effect of different Pluronics on solubility capacity of Pluronic/BS/PS-MM

Advance in studies on anti-tumor mechanism of matrine / 中国中药杂志

Matrine is one of the main active components extracted from Sophora flavescens, S. subprostrata and S. alopecuroides. In recent years, its anti-tumor activity has attracted wide attention. According to studies, matrine shows the anti-tumor effect through multiple channels such as inducing apoptosis and autophagy of cancer cells, arresting cell cycle, inhibiting tumor cell migration, angiogenesis and NF-kappaB, as well as the synergistic effect with chemotherapeutics. Along with the further studies on matrine's anti-tumor mechanism, it has a broad prospect for development and application in tumor clinical treatment.

Advance in hepatic protective formulations of traditional Chinese medicine and their quality control methods / 中国中药杂志

As many traditional Chinese medicines have been founded to have protective effect on liver damage in recent years, they have also got involved in increasingly wide clinical application. Meanwhile, with the development of new hepatic protective formulations of traditional Chinese medicines, we have set increasingly higher requirements for quality control methods and measures. This essay summarizes the advance in studies on hepatic protective formulations of traditional Chinese medicine and their quality control methods in the combination of relevant domestic and foreign literatures, looking into the future of the development of new hepatic protective formulations of traditional Chinese medicines.