84 research outputs found
Application of nonlinear systems in nanomechanics and nanofluids : analytical methods and applications / Davood Domairry Ganji, Sayyid Habibollah Hashemi Kachapi.
No full textIncludes bibliographical references and index.xv, 395 pages :With Application of Nonlinear Systems in Nanomechanics and Nanofluids the reader gains a deep and practice-oriented understanding of nonlinear systems within areas of nanotechnology application as well as the necessary knowledge enabling the handling of such systems. The book helps readers understand relevant methods and techniques for solving nonlinear problems, and is an invaluable reference for researchers, professionals and PhD students interested in research areas and industries where nanofluidics and dynamic nano-mechanical systems are studied or applied. The book is useful in areas such as nanoelectronics and bionanotechnology, and the underlying framework can also be applied to other problems in various fields of engineering and applied sciences
Type 1 diabetes and hyperthyroidism in a family with celiac disease after exposure to gluten: a rare case report
No full textAbstract Background Celiac disease (CD) is an autoimmune disorder related to the gluten and can be also associated with some other endocrine disorders such as type 1 diabetes and thyroid disease. Gluten exposure in CD may have especial role in developing other auto immune disorder. Case presentation We reported two familial cases with celiac disease who were on a gluten free diet (GFD) and hyperthyroidism and type 1 diabetes were appeared following a regular diet. Their autoimmune disorders were ameliorated after avoidance of dietary gluten. Conclusions These cases highlighted the role of gluten exposure in developing other autoimmune disorders associated with CD, especially in young patients whom they are not cooperative to keep GFD. We recommended to evaluate the organ specific antibodies for risk assessment in these patients
Molecular gymnastics: Single-molecule investigations of protein jumping and dna dancing
No full textCasimir PhD series 2016-29BN/Cees Dekker La
Prevalence of osteoporosis and osteopenia in men and premenopausal women with celiac disease: a systematic review
No full textAbstract Background Celiac disease (CD) is known as a reason of metabolic osteopathy. Progression of non-invasive methods such as bone densitometry has shown that an important ratio of CD cases is faced with impaired bone mass and such cases are prone to bone fractures. Variety of low bone mineral density in CD is probably because of ignored confounding factors such as age, menopause, and drug. The aim of our study was to systematically review the osteoporosis and osteopenia incidences among premenopausal females and males with CD. Methods This systematic review was done based on preferred reporting items for systematic reviews (PRISMA) guidelines. PubMed and Scopus and Cochran databases were searched according to the relevant medical subject headings (MeSH) of CD and bone mineral density until 2018. Prevalence of osteopenia and osteoporosis were used as effect size for meta-analysis. Cochrane Q (p < 0.05) and I2 index were presented to reveal the heterogeneity. Results 54 eligible full text reviews were included and nineteen selected for data extraction. Eleven articles didn’t have our inclusion criteria and had ignored confounding factors like age and menopause, and we excluded; data extraction was done in eight studies. A total of 563 premenopausal women and men who were from, UK, Brazil, India, Hungary, and Poland were included. The pooled prevalence of osteoporosis was 14.4% [95%CI: 9–20.5%] (Cochrane Q = 7.889, p = 0.96, I2 = 49.29%), and osteopenia was 39.6% [31.1–48.8%] (Cochrane Q = 14.24, p = 0.07, I2 = 71.92%), respectively. Conclusion Our findings suggest that bone loss is more prevalent in celiac disease and can be associated with increased risk of fracture. However, but results are pooled prevalence and we need more case –control studies with more sample size and consideration of confounding factors
Effect of Video Education on Reduction of Post ETC Complications
No full textIntroduction: ECT is an effective and unknown treatment in the psychiatric diseases for which the patients and
their families have an illogical fear. Horror of brain injury due to ETC is always with the patients . This study is
to investigate the effect of video education on decrease of ECT complications.
Methods In this blind study ,the patients were given necessary education about ECT through a video film made
by researcher and his team (about 25 minutes of lenght) before ETC by the personnel. Then,after the first
session , during all other sessions and, at the last session,related questionnnaires were filled after patients were
examined by the researcher.Each of the experiment and control group contained 30 samples.
Results: The mean of total ETC complications in the first stage was 2 ,the second stage 1.9 , the third stage1.3
the forth stage1.3,the fifth stage 0.6 and the sixth stage it was 1.In educated and non educated groups in the first
stage 2.3, the second 2.6,the third 1.9,the forth 2,the fifth 2.7 and the sixth it was 2.2.Education has somehow
decreased the complications in stages 2,4,5 and 6 of ECT.There was a significant difference between reduction
of headache in stage 5 of ETC and education,between memeory reduction disorder in stages 2 and 5 of ETC and
education and finally between reduction of vomiting in stages 2 and 5 of ETC and education.
Conclusion:Regarding the association between reduction of complications with education and its further
reduction with repitition of watching the educational film,this study is counted as a valuable study which is
recommended to be conducted with more samples and facilities
Heat transfer enhancement using nanofluid flow in microchannels : simulation of heat and mass transfer /
No full textHeat Transfer Enhancement Using Nanofluid Flow in Microchannels: Simulation of Heat and Mass Transfer focuses on the numerical simulation of passive techniques, and also covers the applications of external forces on heat transfer enhancement of nanofluids in microchannels. Economic and environmental incentives have increased efforts to reduce energy consumption. Heat transfer enhancement, augmentation, or intensification are the terms that many scientists employ in their efforts in energy consumption reduction. These can be divided into (a) active techniques which require external forces such as magnetic force, and (b) passive techniques which do not require external forces, including geometry refinement and fluid additives.Heat Transfer Enhancement Using Nanofluid Flow in Microchannels: Simulation of Heat and Mass Transfer focuses on the numerical simulation of passive techniques, and also covers the applications of external forces on heat transfer enhancement of nanofluids in microchannels. Economic and environmental incentives have increased efforts to reduce energy consumption. Heat transfer enhancement, augmentation, or intensification are the terms that many scientists employ in their efforts in energy consumption reduction. These can be divided into (a) active techniques which require external forces such as magnetic force, and (b) passive techniques which do not require external forces, including geometry refinement and fluid additives.Includes index.Online resource; title from PDF title page (ScienceDirect, viewed July 11, 2016).Elsevie
Notes on the Repression of the Women in Iran
No full textHow are we to understand the Islamic Republic’s battle against women? Women who want gender equality are tried and given hefty jail sentences. By intimidation and detention, the regime forces women to observe the decreed head and body coverings. But why has the Islamic Republic gone to battle with women? The author argues that the issue is directly linked to the theory of the velayat-e faqih [rule by an Islamic jurist] and the legitimization of rule by Islamic jurists. Without gender apartheid, the velayat-e faqih would cease to have meaning
Maize brace root mechanics vary by whorl, genotype, and reproductive stage
No full textThis is a pre-copyedited, author-produced version of an article accepted for publication in
Annals of Botany following peer review. The version of record Ashley N Hostetler, Lindsay Erndwein, Elahe Ganji, Jonathan W Reneau, Megan L Killian, Erin E Sparks, Maize brace root mechanics vary by whorl, genotype, and reproductive stage, Annals of Botany, 2022;, mcac029, https://doi.org/10.1093/aob/mcac029 is available online at: https://doi.org/10.1093/aob/mcac029. This article will be embargoed until 03/03/2023.Background and Aims: Root lodging is responsible for significant crop losses world-wide. During root lodging, roots fail by breaking, buckling, or pulling out of the ground. In maize, above-ground roots, called brace roots, have been shown to reduce root lodging susceptibility. However, the underlying structural-functional properties of brace roots that prevent root lodging are poorly defined. In this study, we quantified structural mechanical properties, geometry, and bending moduli for brace roots from different whorls, genotypes, and reproductive stages.
Methods: Using 3-point bend tests, we show that brace root mechanics are variable by whorl, genotype, and reproductive stage.
Key Results: Generally, we find that within each genotype and reproductive stage, the brace roots from the first whorl (closest to the ground) had higher structural mechanical properties and a lower bending modulus than brace roots from the second whorl. There was additional variation between genotypes and reproductive stages. Specifically, genotypes with higher structural mechanical properties also had a higher bending modulus, and senesced brace roots had lower structural mechanical properties than hydrated brace roots.
Conclusions: Collectively these results highlight the importance of considering whorl-of-origin, genotype, and reproductive stage for quantification of brace root mechanics, which is important for mitigating crop loss due to root mechanical failure.This research was made possible by funding from the University of Delaware Research Foundation and the Thomas Jefferson Fund to EES
Prevalence of Hepatitis E in Iran: A Systematic Review of the Literature
No full textIntroduction: Hepatitis E infection is caused by the hepatitis E virus (HEV) and is a self-limiting disease with moderate-to-high prevalence in various regions. Considering that HEV is endemic in Iran, the present study aimed to systematically review the prevalence of HEV in Iran.Methods: This systematic review was performed in May 2016 to investigate the prevalence of Hepatitis E infection in Iran via searching in databases such as PubMed, Scopus, and IranMedex using the following approach: (((Hepatitis E OR HEV)) AND (epidemiology OR frequency OR prevalence)) AND Iran. After collecting the proper documents, the required data were extracted and described.Result: In total, 24 relevant articles with 12,555 study populations were collected in this study. The results of the review indicated that the prevalence of HEV is relatively high in the Iranian population. In the reviewed literature, the prevalence of HEV varied from 2.3% to more than 40%.Conclusion: According to the results, the prevalence of HEV in Iran is similar to the rate reported in the other developing countries. Therefore, it is recommended that routine tests be conducted for the diagnosis of hepatitis E, especially in the suspected cases of acute non-A, non-B, and non-C hepatitis
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