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Featured Application: The study is mainly used in areas where water is scarce, adsorbents adsorb water from the air, and are then desorbed.Abstract: A new experimental device which tests the adsorption performance of the 13X/CaCl 2 composite adsorbent under vacuum conditions was established. In this device, heat transfer characteristics in the adsorbent bed have a great influence on the adsorbent performance, the temperature of the bottom outside bed is very close to the temperature of the bottom inside bed and the temperature difference between them at the end of heating and cooling are 5.66 • C and 0.303 • C, respectively. The following conclusions could be drawn: the equilibrium water uptake of composite adsorbent CA10X (zeolite 13X impregnated with 10 wt % CaCl 2 solution) was increased 5.7% compared with that of 13X, and the water uptake was 0.37 g/g. The composite adsorbent CA10X has a better performance in the adsorption refrigeration system.

SIRT1, an NAD + -dependent sirtuin deacetylase, has emerged as potential therapeutic target for treatment of human illnesses such as type II diabetes, cancer, cardiovascular and neurodegenerative diseases. Resveratrol, a naturally occurring small molecule activator of SIRT1, has been demonstrated to improve metabolism and glucose tolerance. SRT1720, an imidazothiazole derivative, recently made as the most potent SIRT1 activator is structurally unrelated to resveratrol. In this work, we design and synthesize a series of compounds as novel potential SIRT1 activators through a two-step convenient synthetic procedure. Fourteen 2-Arylbenzimidazole analogues were characterized on the basis of 1 H NMR spectra. Tests for biological activity of these compounds are underway.

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