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Search Results: 1 - 10 of 210 matches for " Zlatko Proli? "
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Extremely Low Frequency Magnetic Field (50 Hz, 0.5 mT) Reduces Oxidative Stress in the Brain of Gerbils Submitted to Global Cerebral Ischemia
Sne?ana Rau? Balind, Vesna Selakovi?, Lidija Radenovi?, Zlatko Proli, Branka Jana?
PLOS ONE , 2014, DOI: 10.1371/journal.pone.0088921
Abstract: Magnetic field as ecological factor has influence on all living beings. The aim of this study was to determine if extremely low frequency magnetic field (ELF-MF, 50 Hz, 0.5 mT) affects oxidative stress in the brain of gerbils submitted to 10-min global cerebral ischemia. After occlusion of both carotid arteries, 3-month-old gerbils were continuously exposed to ELF-MF for 7 days. Nitric oxide and superoxide anion production, superoxide dismutase activity and index of lipid peroxidation were examined in the forebrain cortex, striatum and hippocampus on the 7th (immediate effect of ELF-MF) and 14th day after reperfusion (delayed effect of ELF-MF). Ischemia per se increased oxidative stress in the brain on the 7th and 14th day after reperfusion. ELF-MF also increased oxidative stress, but to a greater extent than ischemia, only immediately after cessation of exposure. Ischemic gerbils exposed to ELF-MF had increased oxidative stress parameters on the 7th day after reperfusion, but to a lesser extent than ischemic or ELF-MF-exposed animals. On the 14th day after reperfusion, oxidative stress parameters in the brain of these gerbils were mostly at the control levels. Applied ELF-MF decreases oxidative stress induced by global cerebral ischemia and thereby reduces possible negative consequences which free radical species could have in the brain. The results presented here indicate a beneficial effect of ELF-MF (50 Hz, 0.5 mT) in the model of global cerebral ischemia.
Viability of old house borer (Hylotrupes bajulus) larvae exposed to a constant magnetic field of 98 mT under laboratory conditions
Rau? Sne?ana,Todorovi? Dajana,Proli? Z.
Archives of Biological Sciences , 2009, DOI: 10.2298/abs0901129r
Abstract: The purpose of our experiment was to establish how exposure to a constant magnetic field of 98 mT affects behavior in terms of viability and larval mass of the old house borer (Hylotrupes bajulus L.). It is demonstrated that larvae exposed to this magnetic field show statistically significant higher viability, as well as a tendency of mass increase in comparison with the control group. These results can be attributed to the modulatory effect of the employed external magnetic field on metabolism and neurohumoral regulation in the insects.
Convex combinations, barycenters and convex functions
Zlatko Pavi
Journal of Inequalities and Applications , 2013, DOI: 10.1186/1029-242X-2013-61
Abstract: MSC: 26A51, 26D15, 28A10, 28A25.
Photography in clinical dental practice
Duki? Zlatko
Stomatolo?ki Glasnik Srbije , 2007, DOI: 10.2298/sgs0702097d
Abstract: The emersion of photography represents a milestone in the development of human society making life richer and more comprehensive. Dental photography, a part of clinical medical photography, has primarily the role as a document, but also a tool in education of students and continuing professional education of dentists. The aim of this paper is to present possible applications of classical and digital photography in dentistry on today’s level of technological development. Dental photography requires certain additional equipment (special lights, polarization filters, retractors, small neutral background plates…) for quality images of intraoral structures. An important feature of dental photography is documentation i.e the possibility to record maximum information in repeatable conditions. Standardization of conditions during intraoral photographing, adequate storage and archiving of dental photographs are also important preconditions for quality and useful photography. .
Population and territory as elements of political power in international relations
Isakovi? Zlatko
Stanovni?tvo , 2006, DOI: 10.2298/stnv0601047i
Abstract: This paper deals with population and territory as elements of political power of international relations actors. The first part is devoted to the population, i.e. its quantitative (number of people) and qualitative characteristics, i.e. structure, etc. The second part of the paper deals with basic characteristic of the territory (its size, quality, and geographical position). The quality is determined primarily according to economic values of the area. Geographic position depends of neighbors and borders. In the concluding part of the paper it is stressed that mutual comparison between area and number of population is relatively easy, while comparison becomes much harder when one takes into account the qualitative characteristics of the both elements of political power. The relation between population and territory is in the fact that people need room, i.e. space for their living. People are those who in wars and negotiations and other peaceful ways determine quantities and qualities of territories of their states. There is the open question of a price (human lives, health, living standards, etc.) worth to be paid for a territory if it is perceived by political decision makers as the national or similar interest. People are those who by their ideas, work and behavior in general directly influence number of population members and utilize and perceive space in certain ways. People are subjective factors of political power in general. First action of the modern specialized and global information-telecommunication technology is in the changed comprehending of categories of space and time. Communications are one of important preconditions and conditions of social integration and capability for survival in general of people on certain territory. The Earth became much smaller, linked and perceived by majority of its population as the universal, whole and only domicile and shelter. During the 20th century communication deterritorialization appeared and one could predict that this development will be continued in this century. People will become more and more nomads, and their ideas and goods will move more and more quickly and in greater numbers. The link between population and territory will be weakened, and state territories will be less and less relevant. However, human life will not loose its spatiality. People will remain the subjective element of international and other relations, and cloning - if becomes mass phenomenon - will begin to represent, beside others things, negation of people’s individuality and, in this way, their subjectivity.
Najsuvremenija linija za proizvodnju certificiranih visokonaponskih (HV) kabela u tvrtki ELKA kabeli
Zlatko KRALJEVI?
Polimeri , 2011,
Abstract:
Democracy, human rights and ethnic conflicts in the globalise world
Isakovi? Zlatko
Medjunarodni Problemi , 2002, DOI: 10.2298/medjp0204357i
Abstract: The aim of this paper is to elaborate relationships between democracy, human rights and ethnic conflicts in the globalised world. The first part is devoted to an analysis of the impacts of democracy and human rights on the ethnic conflicts, and second elaborates impacts of the conflicts on the democracy and human rights. Both parts are supposed to elaborate the topic within the context of globalised world. The main conclusion is that if a system cannot be qualified as democratic one and respectful for human rights, appears the complex dilemma what should and would come first developing democracy and/or respecting human rights or eliminating ethnic conflicts or preventing their escalations/deescalating them.
Territory and population as elements of the political power in international relations
Isakovi? Zlatko
Medjunarodni Problemi , 2006, DOI: 10.2298/medjp0603233i
Abstract: Parallel to the economic strength, military power, political system communication ability, ideology and morals, the significant elements of the political power are also the territory and population. Studying the influence of the territories and population on the political power of states the author points to the direction the transformation of these two phenomena will take place within the changed conditions of contemporary international relations.
On identification for sources extended to model with lies
Zlatko Varbanov
Albanian Journal of Mathematics , 2008,
Abstract:
PROFESSIONAL ORIENTATION IN SPECIAL ELEMENTARY SCHOOL
Zlatko PETREVSKI
Journal of Special Education and Rehabilitation , 2000,
Abstract: Some of the student's in special elementary school does not continue their future education, because of a lot of different reasons. Professional orientation team must take all of the activities needed for approving on condition.
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