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Effect of Hydrogen and Oxygen Mixed Inhalation on Non-alcoholic Fatty Liver Disease
Xue Yazhuo,Zhang Guangjie,Song Guohua,Qin Shucun 한국물학회 2019 한국물학회지 Vol.7 No.1
Non-alcoholic fatty liver disease is closely related to insulin resistance and genetic susceptibility, and it is a metabolic stress liver injury. As a result of the multifactorial pathological development in vivo, endogenous reactive oxygen species (ROS) increase, leading to inflammatory necrosis of hepatocytes. In recent years, many studies have confirmed that hydrogen is not a physiological inert gas. It has reliable therapeutic properties for some diseases, such as type 2 diabetes, Parkinson's disease, atherosclerosis and so on. It can be said that hydrogen is a gas with great potential medical value. We used nitrogen-oxygen mixture as control, and inhaled hydrogen-oxygen mixture (66% hydrogen and 33% oxygen) to non-alcoholic fatty liver patients. We found that hydrogen can improve the blood lipid level, reduce the plasma total cholesterol level and low density lipoprotein level, and increase the liver/spleen CT ratio in patients with non-alcoholic fatty liver. At the same time, hydrogen can improve the anti-inflammatory and anti-oxygen ability of plasma in patients with non-alcoholic fatty liver. It can reduce plasma glutamic oxaloacetic transaminase and alanine transaminase levels in patients with nonalcoholic fatty liver disease. The results showed that hydrogen could protect hepatocytes and alleviate the degree of nonalcoholic fatty liver.
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Chaoyang Li,Guangjie Huang,Lingfei Cao,Ruoxi Zhang,Yu Cao,Bin Liao,Lin Lin 대한금속·재료학회 2022 METALS AND MATERIALS International Vol.28 No.7
The microstructure evolution and hot deformation behavior of a Li-containing aluminum alloy AA2060 with different initialmicrostructure (homogenized vs. pre-rolled) were studied by isothermal hot deformation. The tests were performed within awide range of deformation temperatures of 370–490 ℃ and strain rates of 0.01–10 s−1. Results show that the stress drop ratioof the pre-rolled specimen is higher than that of the homogenized one under the same deformation condition. Microstructurewere analyzed on the thermal processing maps in unstable and optimum processing domain, and a higher dynamic recrystallizationfraction can be observed in the pre-rolled specimen that has more substructures and smaller grains. Four typesof the dynamic recrystallization were observed and the mechanism for deformation softening was discussed in this work.
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