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686 articles for “stress”
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Research ArticleOpen accessEvery word in the titleA Comparative Analysis on the Physiological Effects of the Physical and Chemical Properties of the Trihalomethanes on Nutrient Levels, Oxidative Stress and Sterol Compositions of Leaf Oils in Solanum Lycopersicum CultivarsBabatunde C. Akande, Olalekan S. Fatoki, James P. Odendaal et al.Trihalomethane group of disinfection by-products was used to evaluate the magnitude of physiological changes induced on nutrient levels, oxidative stress and phytosterol content in two tomato cultivars. The tomato cultivars were grown as potted plants in a greenhouse and exposed to the varying concentrations of trihalomethanes and organochlorines via irrigation water for a period of 30 days. The concentration levels … …American Journal of Agricultural and Biological Sciences, Vol. 13, Issue 1 · 11 May 2018 · 8,415 accessesView PDFCite
InvestigationOpen accessEvery word in the titleRegularities of the Oxidative Stress Processes in Case of Bleedings from Acute and Chronic Ulcers of the Stomach and DuodenumEkaterina Vladimirovna Silina, Mukimdjon Ahmadzhonovich Sobirovz, Sergey Brankovich Bolevich, Victor Aleksandrovich StupinThe main aim of the study was to determine ways of improving the results of treating patients with ulcer bleeding of various nature and severity. It was provided by the system study of free radical processes and evaluation of the effectiveness of timely antioxidant therapy. Material and methods. The study included 153 patients aged 18-94 years with acute and chronic … …OnLine Journal of Biological Sciences, Vol. 18, Issue 2 · 4 May 2018 · 7,423 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleIn Silico Prediction and Functional Characterization of Genes Related to Abiotic and Biotic Stresses in Chickpea (Cicer arietinum)Sukhdeep Kaur, Satendra Singh, Gitanjali Tandon et al.Chickpea (Cicer arietinum L.) is second largest grown legumes worldwide contributing 75% of total pulse production. It is a cool season legume crop and grown in tropical and subtropical areas. Due to drastic climatic changes, chickpea suffers from many biotic (blight and wilt) and abiotic (salinity, drought, cold) stresses that directly impact the growth and yield. In our study, we … …Current Research in Bioinformatics, Vol. 7, Issue 1 · 25 Sep 2017 · 14,194 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleChronic Mental Stress Induces Reversible Reduction of Natural Killer Cells and CD56dim SubpopulationManar M. IsmailGenerally, studying to be a health care provider is a stressful and demanding field and the students have to face many stressors that may affect their general health status including the immune system. This work aimed at studying the effect of prolonged naturalistic life-stress exposure on the percentage of peripheral blood T-lymphocytes and Natural Killer (NK) cells in female laboratory … …American Journal of Immunology, Vol. 13, Issue 3 · 30 Aug 2017 · 7,794 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleCan Emotional Stability Buffer the Effect of Job Stress on Deviant Behavior?Aminah Ahmad, Zoharah Omar, Farah Mardiana Radzali, Mohammed Bashir SaiduThe interrelationships between job stress, WDB and emotional stability have not been studied in a model to comprehend whether emotional stability could weaken the impact of job stress on employee deviant behavior. We tested a model on the moderating role of emotional stability, a personality factor, in the relationship between job stress and workplace deviant behavior. The model was developed … …American Journal of Applied Sciences, Vol. 14, Issue 7 · 30 Jun 2017 · 8,597 accessesView PDFCite
Case ReportOpen accessEvery word in the titleBending Stress and Deflection Analysis of Meshing Spur Gear Tooth during the Single Tooth Contact with Finite Element Method and Determination of the Bending StiffnessAntonios D. Tsolakis, Konstantinos G. Raptis, Maria D. MargaritouPurpose of this study is the study of loading and contact problems encountered at rotating machine elements and especially at tooth gears. Tooth gears are some of the most commonly used mechanical components for rotary motion and power transmission. This fact proves the necessity for improved reliability and enhanced service life, which requires precise and clear knowledge of the stress … …American Journal of Engineering and Applied Sciences, Vol. 10, Issue 2 · 3 Jun 2017 · 7,648 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleFluid-Solid Coupling Analysis on Evolution of In-Situ Stress Field by Water Injection in OilfieldJianjun Liu, Yongxiang Zheng, Bohu Zhang et al.Water injection in oilfield may break initial balance of reservoir and lead to re-distribute of stress and deformation of strata. For further research of the evolution characteristics of in-situ field by water injection, the influence on reservoir by water injection was analyzed and different variables were set to study the effects of depth, injection-withdraw ratio and elastic modulus on strain … …American Journal of Engineering and Applied Sciences, Vol. 10, Issue 2 · 6 May 2017 · 8,066 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleHumoral and Cellular Effects of Stress-An Extensive Model SystemMazal Shimon-Hophy, Ramy R. AvtalionThe influence of stress on the immune system of the common carp (Cyprinus carpio) was studied by measuring leukocytes levels using flow cytometry and mRNA immune components by real time qPCR. Acute and chronic oxidative stresses were generated by different regimes of exposure of carp to environmental air. In acute stress, induced by single air exposure, the pro-inflammatory cytokines (IL1β, … …American Journal of Immunology, Vol. 13, Issue 2 · 18 Apr 2017 · 6,728 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleEffects of Salt Stress on Ion Balance at Vegetative Stage in Rice (Oryza sativa L.)Kirill V. Azarin, Andrey V. Alabushev, Alexander V. Usatov et al.Rice (Oryza sativa L.) plants were subjected to NaCl stress within 35 days. The shoot dry weight, root dry weight, total survival percentage and contents of inorganic ions in dry samples of stressed plants were measured to identify the physiological adaptive mechanisms by which rice plants at vegetative stage tolerate salt stresses. Laboratory testing of the 10 rice cultivars showed … …OnLine Journal of Biological Sciences, Vol. 16, Issue 1 · 21 Mar 2016 · 7,472 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleThe Evaluation of the Groundwater Influence on the Stress and Strain Behavior around a Tunnel by Analytical MethodsPierpaolo OresteThe presence of an aquifer in the soil causes a change in a relevant way of the stability conditions of a tunnel. The flow of water in the pores, in fact, modifies the stress and strain state of the soil and causes an increase in the thickness of the plastic zone. As a result the loads transmitted on the lining … …American Journal of Applied Sciences, Vol. 12, Issue 10 · 30 Oct 2015 · 6,464 accessesView PDFCite