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- 저자 : ( Gholamreza Askari ) (검색결과 3 건)
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Mohammad Amini,Komeil Nasouri,Gholamreza Askari,Mohsen Shanbeh,Akbar Khoddami 한국섬유공학회 2022 Fibers and polymers Vol.23 No.3
This paper describes a study on the development of novel lightweight and highly flexible composites forelectromagnetic interference (EMI) shielding applications. The weft-knitted fabrics produced by using polyester/cotton,polyester/cotton-copper, and polyester/cotton-stainless steel composite yarns with metal deposition and without metaldeposition were tested to determine the EMI shielding effectiveness (SE). The surface structures of all composite fabricsamples were observed by stereomicroscope. The state of the presence of metal particles on the metal deposited compositefabric was studied by field emission scanning electron microscope (FESEM) and energy dispersive X-ray (EDX) analyzer. The EDX analyses confirmed the presence of metal particles, and the FESEM analyses revealed uniformly deposited metalparticles on the surface of composite fabrics. The EMI shielding was also evaluated using vector network analyzers in thefrequency range of 8-12 GHz for all samples. The highest value of EMI SE in this research for the composite fabric with themetal deposited sample was achieved to 19.53-23.95 dB. Moreover, the breathability and the durability of produced fabricswere characterized by air permeability, moisture regains, abrasion resistance, and washing fastness. The results of EMIshielding, durability, and breathability tests confirmed their potential for use as an excellent material for EMI shielding inwearable textiles for commercial applications.
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Elahe Abbasi,Zahra Hajhashemy,Gholamreza Askari,Parvane Saneei 한국임상영양학회 2024 Clinical Nutrition Research Vol.13 No.3
This systematic review and meta-analysis of randomized controlled trials (RCTs) aimed to test our hypothesis that herbal tea may improve anthropometric parameters, metabolic factors, and hormone levels in women with polycystic ovarian syndrome (PCOS). A literature search was conducted on Information Sciences Institute, Medline (PubMed), Scopus, Embase, and Google Scholar, up to March 2023 without applying language or date restrictions. RCTs that assigned herbal tea vs. placebo on PCOS women and evaluated changes in anthropometric measurements, metabolic indices, or hormonal profiles were included. Six RCTs with 235 PCOS women (119 in the intervention and 116 in the control group) were included. Meta-analysis showed that herbal tea consumption led to significant decreases in weight (weighted mean difference [WMD], −2.02 kg; 95% confidence interval [CI], −3.25, −0.80), body mass index (BMI) (WMD, −0.88 kg/m2; 95% CI, −1.47, −0.28) and fasting blood glucose (FBG) (WMD, −6.47 mg/dL; 95% CI, −8.49, −4.45), compared to the control group. Herbal tea supplementation has also significantly increased follicle stimulating hormone (FSH) concentration (WMD, 0.56 IU/L; 95% CI, 0.17, 0.95). Meanwhile, the effect of herbal tea on the waist/hip ratio, hip circumference, waist circumference, body fat, fasting insulin, FBG/insulin ratio, luteinizing hormone, total testosterone, and dehydroepiandrosterone sulfate was not significant. Herbal tea might be a potential supplemental therapy to manage weight, BMI, FBG, and FSH in PCOS women. Further large randomized clinical trials are recommended to affirm these findings.
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( Shima Sharifi ),( Sepide Talebi ),( Elyas Nattagh-eshtivani ),( Yasaman Amiri ),( Gholamreza Askari ) 한국임상영양학회 2021 Clinical Nutrition Research Vol.10 No.3
Our aim was to conduct a systematic review and meta-analysis on randomized controlled trials (RCTs) evaluating the effect of garlic on serum adiponectin levels. We searched Scopus, Web of Science, PubMed, and Cochrane Library to databases up to January 2021. RCTs investigating the effects of garlic on serum adiponectin levels in adult participants were included. The change in serum adiponectin levels was estimated using weighted mean differences (WMD) and standard deviations (SD). The random effects model was used to provide a summary of mean estimates and their SDs. Out of 386 records, 6 trials with 8 arms treatment which enrolled 266 subjects were included. Garlic supplementation resulted in a non-significant increase in adiponectin concentrations when compared to placebo, according to the pooled data (WMD, 0.27 Hedges' g; 95% confidence interval [CI], -0.07, 0.62; p = 0.124). Greater effects on adiponectin were observed in trials with supplementation dose less than 1.5 gram per day (WMD, 0.71 Hedges' g; 95% CI, -0.01, 1.43; p = 0.600) and in trials with female subset (WMD, 0.62 Hedges' g; 95% CI, -0.96, 2.21; p = 0.441). Garlic boosts adiponectin levels in general. However, due to different target population, various units for reporting adiponectin level and few eligible studies in final analysis, more research is needed to get a firm conclusion about the influence of garlic on adiponectin levels.
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