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CONTEXT Various Rhizoma coptidis are commonly used in clinical applications due to their strong antibacterial effect. OBJECTIVE The antibacterial effect of various R. coptidis were evaluated by microcalorimetry together with statistical analysis. MATERIALS AND METHODS The dried roots of Coptis chinensis Franch, Coptis deltoidea C.Y. Cheng et Hsiao, and(More)
The use of threatened animals as a source of traditional medicines is accelerating the extinction of such species and imposes great challenges to animal conservation. In this study, we propose a feasible strategy for the conservation of threatened medicinal animals that combines trade monitoring and the search for substitutes. First, DNA barcoding provides(More)
OBJECTIVE Explore contribution of ratio of xylem to phloem(RXP) to evaluate the quality of Radix Isatidis. METHODS Antivirus activity and chemical compositions of xylem, phloem and Radix Isatidis of different RXP were determined by RBC agglutination test and unique chromatogram. Meanwhile, correlation between RXP and bioactivity,components was(More)
The study is to report the establishment of a method of screening the antitumor compounds based on the dynamic bio-response profile of cells to make up for the shortages of conventional end-point tests such as tedious operation and low sensitivity. Based on the principle of electric impedance of cells, the real-time cell electronic sensing (RT-CES) system(More)
The paper is to report the establishment of a method for quickly evaluating compatibility of Chinese medicines injections. Isothermal titration calorimetry (ITC) was used to evaluate compatibility of Yiqifumai (YQFM) and vitamin C injection (Vc)/5% glucose injection (5% GS). The diversification of Gibbs free energy (deltaG), enthalpy (deltaH) and entropy(More)
OBJECTIVE To study the technological parameters of the purification process of saponins with macroporous adsorption resin. METHODS The adsorptive characteristics and elutive parameters of the process were studied by taking the elutive and purified ratio of saponins as markers. Bacteriostasis activity of each parts eluted was evaluated by the mean of(More)
Aluminum based metal matrix composites (MMCs) have received considerable attention in the automotive, aerospace and nuclear industries. One of the main challenges using Al-based MMCs is the influence of the reinforcement particles on the corrosion resistance. In the present study, the corrosion behavior of Al-B₄C MMCs in a 3.5 wt.% NaCl solution were(More)
OBJECTIVE To study the plasma concentration-time curve, pharmacokinetic parameters and bioavilability of oxymatrine-phospholipid complex and to compare with oxymatrine in rats. METHOD Rats were given oxymatrine-phospholipid 100 mg x kg(-1). Blood samples were collected at different times after oral administration. The internal standard was cimetidine.(More)
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