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Showing 2 results for Marandi
Habibi N, Marandi Sm , Volume 15, Issue 4 (12-2013)
Abstract
Background and Objective: Diabetes mellitus is one of the most common serious metabolic disorders. This study was done to determine the effect of 12-week yoga intervention on glucose, insulin and triglyceride serum levels in women with type II diabetes mellitus. Materials and Methods: In this clinical trial, 26 women with Type II diabetes were divided into interventional (n=16) and control groups (n=10). Program of yoga exercise including: 75 minutes daily, three sessions in a week, and for 12 weeks. The level of glucose, insulin, leptin, HDL-C, LDL-C, triglyceride, total cholesterol were measured prior and post - training period. Results: The levels of glucose, insulin and triglycerides in the interventional group significantly reduced compared to control group following the training period (P<0.05). The level of leptin, HDL-C, LDL-C, total cholesterol was not significantly altered in intervention group in compare to controls. Conclusion: 12 weeks of yoga exercises can improve blood glucose, insulin and triglyceride in women with type II diabetes.
Hasan Safari , Morteza Kashefi Alasl , Mojgan Zaeimdar , Yousef Dadban Shahamat , Reza Marandi , Volume 23, Issue 4 (12-2021)
Abstract
Background and Objective: The presence of many synthetic dyes in aqueous solutions can cause carcinogenesis and mutagenicity and affect human health. Reactive Red 198 is one of the types of azo dyes with complex structure, toxic, carcinogenicity, mutagenicity properties, and tolerable in the environment, which is discharged to the environment through the sewage of textile industries. This study was performed to determine the mineralization of 198 reactive red dyes by the hybrid advanced oxidation process UV/US/H2O2/O3 from colored wastewater using central composite design.
Methods: In this descriptive-analytical study several factors affecting on dye mineralization process including the presence of ozone gas and ultraviolet rays (UV) as well as the initial dye concentration, Ultrasound (US), contact time, pH, and hydrogen peroxide were investigated. Experimental design and optimization were performed by design of experiment software using central composite design and its optimal conditions were determined.
Results: The maximum dye degradation efficiency of 100% was performed under optimal conditions including initial dye concentration of 200 mg/L, reaction time of 34 minutes, hydrogen peroxide concentration of 27 mg/L and pH=9 in the presence of ozone gas flow, ultraviolet rays and ultrasonic waves. Also, the influence of factors on dye removal including ozone, UV, initial dye concentration, US, contact time, pH, and peroxide were 58.8%, 19.3%, 2.3%, 1.5%, 1.1%, 0.6 %and 0.2 % ,respectively.
Conclusion: UV/US/H2O2/O3 hybrid process with advantages such as performance and high speed can be recommended for wastewater treatment in various industries.
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