Abstract
Four kinds of Al-TiO2 solid samples with different Ti/Al ratios of 1 : 0.1, 1 : 0.09, 1 : 0.07, and 1 : 0.05 were synthesized via a solid-phase synthesis method and characterized by XRD, SEM, EDS, BET, and other techniques. The prepared solids were used for separation of the bioderived product danshensu, the content of which was determined by UV spectrophotometry. Moreover, the effects of extract concentration, PH value, adsorption time, and ethanol elution volume were investigated. The results showed that these Al-TiO2 samples had good adsorption and desorption ability. Especially, the solid Al-TiO2 with a Ti/Al ratio of 1 : 0.05 is more suitable for the separation of danshensu, exhibiting a higher adsorption (77.70%) under 2 h adsorption time and pH = 3; meanwhile, the high desorption rate (70.29%）was received under 80% ethanol and the sample concentration of 3.0 mg/mL.
Highlights
Danshensu significantly inhibits the growth of cancer cells and makes the tk/GCV system of cancer cells enhance the synergistic effect of killing and the effect of suicide gene bystanders (BE) [1]. e previous study found that danshensu can significantly inhibit the rise of blood lipids in rabbits with a high-fat diet and can inhibit the synthesis of endogenous cholesterol cells [2]
With the in-depth study of TiO2 powder material, it was found that it has the basic characteristics of common materials and has adjustable pore size, narrow pore size distribution, ordered structure, and larger specific surface area with a certain choice of adsorption properties and adsorption capacity [7] because of which it is widely used in the adsorption and separation of organic matter and metal ions [8]. us, the synthesis and properties of powder materials research and development have become the current focus of materials chemistry, physics, and traditional Chinese medicine and other disciplines [9,10,11,12], so as to achieve the powder material and drug substance molecules surface atoms or active sites selective adsorption [13]
The contents of Al in samples A and B are higher than C and D, while B has the highest in the four samples, and C and D have the same basicity. is result preliminarily showed that the adsorption rates of danshensu by A and B are higher than those by C and D because Al3+ is a two-type metal, and danshensu is acidic, and amount of Al3+ directly affects the acidity and alkalinity of Al-TiO2
Summary
Danshensu significantly inhibits the growth of cancer cells and makes the tk/GCV (herpes simplex virus thymidine kinase/ganoside) system of cancer cells enhance the synergistic effect of killing and the effect of suicide gene bystanders (BE) [1]. e previous study found that danshensu can significantly inhibit the rise of blood lipids in rabbits with a high-fat diet and can inhibit the synthesis of endogenous cholesterol cells [2]. Us, the synthesis and properties of powder materials research and development have become the current focus of materials chemistry, physics, and traditional Chinese medicine and other disciplines [9,10,11,12], so as to achieve the powder material and drug substance molecules surface atoms or active sites selective adsorption [13]. According to the different doping amounts, different adsorbent materials were obtained, and the influencing factors on the static adsorption of danshensu in SSH were studied by the concentration of extract, pH value, adsorption time, and elution volume fraction of ethanol. It provided a scientific theoretical basis for the effective development and utilization of this plant
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