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Search Results: 1 - 10 of 461775 matches for " Neboj?a Stilinovi? "
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Anti-Oxidative Activity of An Aqueous Suspension of Commercial Preparation of The Mushroom Coprinus comatus
Mira Popovi?,Sa?a Vukmirovi?,Neboja Stilinovi,Ivan ?apo,Vida Jakovljevi?
Molecules , 2010, DOI: 10.3390/molecules15074564
Abstract: In this study the effects of an aqueous suspension of a commercial preparation of the mushroom Coprinus comatus on oxidative stress induced in rats by alloxane and carbon tetrachloride was examined. The effects were estimated from changes in the biochemical parameters (xanthine oxidase, glutathione peroxidase and catalase activity, reduced glutathione content, and extent of lipid peroxidation) of liver homogenate as well as histological changes in the liver of the rats treated with alloxane and carbon tetrachloride. Two screening doses of alloxane sufficient to induce diabetes in rats did not have any significant effect on the examined biochemical parameters of liver homogenate or on the cytoarchitectonics of liver cross-sections. Treatment with carbon tetrachloride resulted in a significant increase in the intensity of lipid peroxidation and peroxydasis activity, as well as with decrease in catalase activity. Certain changes in liver cross sections were detected, such is lymphocyte infiltration of dilated sinusoid capillaries. Administration of Coprinus comatus suspension thus showed antioxidative potential, evidenced by an increase of antioxidative status of liver homogenate and prevention of histological changes in liver cross sections.
The Protective Effects of Silymarin against Doxorubicin-Induced Cardiotoxicity and Hepatotoxicity in Rats
Aleksandar Ra?kovi?,Neboja Stilinovi,Jovanka Kolarovi?,Velibor Vasovi?,Sa?a Vukmirovi?,Momir Mikov
Molecules , 2011, DOI: 10.3390/molecules16108601
Abstract: Silymarin is a complex of five major compounds, and silibinin is the most biologically active component of the complex. The aim of this study was to investigate, evaluate and confirm the potential cardioprotective and hepatoprotective effects of administration of silymarin, rich in silibinin, at a dose of 60 mg/kg orally for a time-span of 12 days on doxorubicin induced toxicity in male Wistar rats. The in vivo model was used to explore whether silymarin could prevent damage of liver and heart tissue induced by doxorubicin administered every other day at dose of 1.66 mg/kg intraperitoneally for twelve days. In the study the change of body weight, ECG changes, biochemical parameters of oxidative stress, serum activity of alanine and aspartate transaminase, lactate dehydrogenase, creatine kinase and histological preparations of heart and liver samples of treated animals were examined. According to physiological, pharmacological, microscopic and biochemical results, we confirmed that at the examined dose, silymarin exhibits a protective influence on the heart and liver tissue against toxicity induced by doxorubicin.
Strengthening peace: Quest for the transformative energy and prospects for change
Petrovi? Neboja
Sociologija , 2012, DOI: 10.2298/soc1204667p
Abstract: This paper considers possibilities of postconflict societies to move forward and to assure stable and long-standing peace in spite of different psychological and structural obstacles. Author, from the positive psychology standpoint, proposes that human energy and envisioning of a better future for all could be the main engine in overcoming existing problems. Special attention has been addressed to the problem of how to find appropriate visionary leaders, what their desirable characteristics are and how to enhance their existing features as well as initiate the development of others. An educational course aiming at combining the acquisition of both knowledge of different aspects of postconflict problems and virtues like devotion and compassion, has been proposed. Prospects for expected outcomes and challenges on the way have been discussed in light of the approaches developed within positive psychology, as well as of the ever broader influence of globalization. The proposed solution has been confirmed by the results of a recent empirical research from the postconflict region of the Balkans. The paper ends with the optimistic conclusion that positive transformation is possible.
Mutual stereotypes of Croats, Bosnjaks and Serbs in the light of two factors theory of prejudice
Petrovi? Neboja B.
Sociologija , 2003, DOI: 10.2298/soc0301015p
Abstract: Since a number of empirical research have not shown expected correlation between negative stereotypes and prejudices, modern researchers have proposed that stereotypes should not be treated as unidimensional construct. The two factors theory of stereotypes has been proposed. First dimension is competence (superior-inferior), and second is beneficence or morality (good-bad). Only second one has high correlation with prejudices. Our research, conducted on 617 subjects from Serbia, Croatia and Bosnia and Hercegovina, shows that mutual negative stereotypes among these three nations are still dominant, and that negativity has mainly been found on the second dimension, just as mentioned theory proposed.
Methodological approaches in the research of organizational culture
Jani?ijevi? Neboja
Economic Annals , 2011, DOI: 10.2298/eka1189069j
Abstract: In the thirty-years-long research of organizational culture, two mutually opposed methodological approaches have emerged: objectivistic quantitative and subjectivistic-qualitative. These two approaches are based on opposite ontological and epistemological assumptions: they include different types of research, and use opposite, quantitative vs. qualitative, methods of research. Each of the methodological approaches has its advantages and disadvantages. For this reason a hybrid approach emerges as a legitimate choice in organizational culture research methodology. It combines elements of both subjectivistic and objectivistic methodological approaches, according to the goals, content, and context of the research and preferences of the researcher himself/herself. Since it is possible to combine the two principal methodological approaches in various ways, there are several possible hybrid methodologies in organizational culture research. After the review of objectivistic quantitative and subjectivistic-qualitative methodological approaches, one of possible hybrid approaches in the research of organizational culture is presented in this paper.
The influence of organizational culture on organizational preferences towards the choice of organizational change strategy
Jani?ijevi? Neboja
Economic Annals , 2012, DOI: 10.2298/eka1293025j
Abstract: Organizational culture, through its assumptions, values, norms and symbols, determines the way in which the members of an organization perceive and interpret the reality within and around their organization, as well as the way they behave in that reality. For this reason we may assume that organizational culture has an impact on the way in which an organization changes, and that matching of organizational culture and change strategy will improve the efficiency of the change process. In this paper specific hypotheses about the causal relationship between certain types of organizational culture and certain change strategies are formulated. Types of organizational culture are differentiated according to Handy’s and Trompenaars’ classifications. Organizational change strategies have been differentiated according to previous work of Chin & Benne but one more strategy has been added. Classifications of both the organizational cultures and of the organizational change strategies are based on the same criteria of differentiation: distribution of power in an organization and orientation toward relationships or tasks. For this reason it is possible to formulate hypotheses about the causal relationship between certain types of organizational cultures and certain types of organizational change strategies. Thus, eight hypotheses are formulated in this paper, relating particular change strategies with particular types of organizational culture.
Organizational learning in the theory of organizational change
Jani?ijevi? Neboja
Economic Annals , 2006, DOI: 10.2298/eka0671007j
Abstract: The concept of organizational learning has been presented and placed within the referential frame of the organizational change theory. It appears that organizational changes shows to be a wider concept than organizational learning, since every learning includes change, but every change does not necessarily include learning. Organizational learning presents a particular type of organizational change, one which comprises creation and utilization of knowledge, includes changes of both cognitive structures and behaviors of organizational members, and necessarily is normative by its nature. The referential frame of the theory of organizational change is based on the classification of organizational changes and put together all theories into four perspectives: organizational development, organizational transformation, organizational adaptation and process perspective. It can be concluded that the concept of organizational learning is eclectic one, since it includes all types of organizational changes and encompasses all mentioned perspectives of organizational changes. .
Comparative analysis based on new competitiveness index
Savi? Neboja
Panoeconomicus , 2012, DOI: 10.2298/pan1201105s
Abstract: The current economic crisis points out to an even greater need to improve competitiveness. Since 2005, numerous developing countries have succeeded in increasing their competitiveness scores and decreasing the difference relative to advanced countries. The countries of Central and South Eastern Europe, to which Serbia belongs, have recorded an increase in their score by 0.3 on average, whereby the region of South Eastern Europe has achieved poorer results. During the period 2005-2011, Serbia recorded an increase in its score by 0.5, from 3.38 to 3.88. In 2011, Serbia was ranked 95th among 142 countries, with the score of 3.88. This is a decline relative to 2008 and 2005, when Serbia was ranked 85th with the scores of 3.38 and 3.90 respectively. However, this increase was not sufficient to improve Serbia’s ranking, which shows that other countries were more successful. This faces Serbia with the task to strengthen its efforts towards improving competitiveness.
Psychological basis of the reconciliation process
Petrovi? Neboja
Temida , 2002, DOI: 10.2298/tem0204053p
Abstract: In the psychological framework, reconciliation is a socio-cultural process, which includes majority of the members of the society, who form new beliefs about former enemies, about their own society and relations between these two groups. This process is about changing the system of beliefs of the members of the society. Maybe the most important change in this ideology of conflict is about the certainty of absolute righteousness of our own aims, which is in contradiction with similar beliefs of the opposite side.
Formal and informal systems in prison
Macanovi? Neboja
Temida , 2007, DOI: 10.2298/tem0704057m
Abstract: Main question of modern penological theory and penitentiary practise is finding deeper social sense through general goal, which we define as resocialization of prisoners and creating conditions for successful life after leaving prison. Success of resocialization depends also on attitude of prisoners to formal system and following the rules and principles of that system. Opposite to formal system which is based on prison staff and normative system (Law of carrying out of a sentence and Book of regulations for house rules), exists informal system which is based on prisoners and their mutual relationships, as well as on prisoner's codex, and which has negative influence to resocilazation process. Attitude of prisoners to formal system during serving a sentence represents very significant indicator of prisoner's readiness for return to community and acceptance of society norms.
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