Oxygen transport is a primary goal of erythrocytes. The high maintenance of oxygen in erythrocytes defines high speed of formation of active forms of oxygen – superoxide (O2⎯), a hydrogen peroxide (H2O2) and a hydroxyl radical (·OH). A constant source of active forms of oxygen in erythrocytes is hemoglobin oxidation in a methemoglobin with formation of superoxide (O2⎯). Therefore erythrocytes s...

Copyright © 2014 The Korean Association of Internal Medicine This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/ by-nc/3.0/) which permits unrestricted noncommercial use, distribution, and reproduction in any medium, provided the original work is properly cited. pISSN 1226-3303 eISSN 2005-664...

soils bacteria are frequently faced with various adverse environmental conditions and have developed a complex regulatory network to respond rapidly to environmental changes. in this study usefulness and applicability of stress proteins of bacteria which are produced after stress conditions were examined. the adaptation of soil bacteria involves the induction of stress proteins provide a nonspe...

Migraine is a primary headache which is very common in the society. Although it is usually starts in a salient point in life span of an individual diagnostically, the repetition of acute stress response such as sleep abnormalities, anxiety, and depression are not new in this population. Therefore, they have had almost a long diary of these abnormalities. In order to understand the role/s of str...

drought stress is one of the phenomena that adversely affects growth and quality of plants, with turfgrass being no exception. for a study of the responses of poa pratensis l. cv. ’barimpala‘ to time periods of drought stress, turfgrass seeds were cultivated at 60cm depths in cylindrical pots of 15cm diameters and placed outdoors. plants were daily irrigated to the point until drainage occurred...

stress, as an inevitable and indispensible reality of modern time, has a multitude of positive and negative effects on the physical and psychological health of man and survival and development of organizations. therefore, the precise and timely identification of stressors and a readiness to prevent and cope with them is a great task of men and organizations at the twenty- first century. with th...

Microbial cells under growth-limiting stress can generate mutations by mechanisms distinct from those in rapidly growing cells. These mechanisms might be specific stress responses that increase mutation rates, potentially altering rates of evolution, or might reflect non-stress-specific processes in rare growing cells. In an Escherichia coli model system, both frameshift reversion mutations and...

The aim of this paper is to compare the static deflections and stress results of layered and functionally graded composite beams under static load. In the comparison study, the results obtained for a cantilever beam under point load. The Timoshenko beam and the Euler-Bernoulli beam theories are used in the beam model. The energy based Ritz method is used for the solution of the problem and alge...