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118 results on '"Ćosić, M."'

37. Histopathological evaluation of response to ncoadjuvant chcmoradiothcrapy in locally advanced rectal carcinoma.

Author

Micev, M., Micev-Ćosić, M., Rom, Djikić A., Andrejević, M., ĆumiĆ, Dimić M., StojanoviĆ, S., PetroviĆ, J., BarišiĆ, G, MarkoviĆ, V., and KrivokapiĆ, Z.

Abstract

Preoperative neoadjuvant chemoradiotherapy S(nCRT) followed by radical surgical resection is the mainstay of curative therapy in the manage-ment of patients with locally advanced (stage 11 and 111) rectal carcinoma in order to reduce local recurrence and improve survival following surgery for rectal cancer. A brief survey of histopa-thological tumor regression grading (TR(J) systems, other histomorphological and immunohistoche-mical findings and their clinical implications were reported including authors' experience. Possible diagnostic pitfalls are discussed specially on complete tumour regression (pCR), differentiation downstaging and downsizing and other aspects of standard histo-pathological examination and RT-induced histologic changes, including morphological, immunohistoche-mical and molecular transdifferentiation of tumour cells. Some of these histopathological parameters have to be considered when auditing rectal cancer resections and identifying prognostic factors. [ABSTRACT FROM AUTHOR]

Published
2016
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45. Fabrication and behaviour of Al-Si/SiC composite in cavitation conditions.

Author

Ćosić, M., Dojčinović, M., and Aćimović-Pavlović, Z.

Subjects
*FABRICATION (Manufacturing), *ALUMINUM-silicon alloys, *COMPOSITE materials, *CAVITATION, *METAL castings, *SCANNING electron microscopy
Abstract

Aluminium matrix composite (AMC) specimens were prepared using the compocasting technique. The reinforcements used were silicon carbide (SiC) particles with an average size of 30 um. The influence of reinforced ratio of 10 wt-%SiC on cavitation behaviour was examined. The cavitation resistance of an AMC with SiC (AlSi/SiC) was evaluated using an ultrasonically induced cavitation test method. The mass loss of specimens was measured by an analytical method. The morphology of the damaged surface of tested composite was examined using scanning electron microscopy (SEM). It is shown that the cavitation rate of an AMC with SiC is almost the same as the CA6NM stainless steel, which is largely used in the production of hydraulic machinery components. Because the results show that the composites exhibited very good resistance to the cavitation erosion, this material can be successfully used under conditions where the cavitation resistance is needed. [ABSTRACT FROM AUTHOR]

Published
2014
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48. The effect of a cow’s health on the value of biochemical parameters in blood serum and milk

Author

Gantner, Vesna, Jožef, Ivana, Popović, Vera, Gregić, Maja, Bunevski, Gjoko, Šperanda, Marcela, Krstić, B., Nedeljković, M., and Ćosić, M.

Subjects
milk, blood serum, biochemical parameters, mastitis, Holstein cows
Abstract

The aim of this research was to determine the effect of a cow’s health status (healthy, at risk, with mastitis ; indicated by the number of somatic cell counts) on the value of biochemical parameters in blood serum and milk of Holsteins regarding the month of sampling. Therefore, blood and milk samples were taken from 75 Holstein cows during May, June and July and analyzed in the laboratory. The statistical analysis of data showed that the all effects included in the used statistical model (parity, stage of lactation and classes SCC) statistically significantly (p< 0.05) affected the variability of biochemical parameters in blood plasma and milk of Holstein cows. Furthermore, variability in all analyzed parameters due to the month of sampling was observed. Obtained results indicate that, if biochemical parameters in blood serum or milk are used as a bioindicator of occurrence of inflammation of organism (mastitis or some other disorder), a correction needs to be done accordingly to animal-related effects (parity, lactation stage) and the effect of month of sampling.

Published
2022

49. The impact of the animal production sector on the environment

Author

Gantner, Vesna, Popović, Vera, Ćosić, Milivoje, Gantner, Ranko, Krstić, B., Nedeljković, M., and Ćosić, M.

Subjects
GHG emission, climate change, animal production sector, resources, environmental impact
Abstract

Changes in climate will significantly affect agricultural production and especially plant and animal production worldwide. Climate change threatens the global food supply as certain crops become more expensive due to reduced production and supply. The global human production is projected to increase to over 9 billion people by the year 2050. Forecasted population growth will result in an increase in demands for food by about 50-60% approximated to the current demands. This study aimed to show the models and the possibilities of improving productivity while reducing emissions. Precision animal farming by using various sensors and big data management contributes improvement of the system in terms of animal health, productivity, and welfare. It will make it possible for farmers to optimize the management of the farm and consequently realize an efficient and sustainable production system from the economic and environmental point of view.

Published
2022

50. Analysis of the characteristics of the rural space of the Republic of Serbia and the Republic of Croatia

Author

Dokić, Dragan, Popović, Vera, Gantner, Vesna, Krstić, B., Nedeljković, M., and Ćosić, M.

Subjects
rural areas, PESTLE analysis, SWOT analysis, HDI methodology, economic development
Abstract

The aim of this paper was a detailed analysis of the state of the rural area of the Republic of Serbia and the Republic of Croatia, from the aspect of opportunities and economic assumptions that this area has, using SWOT, PESTLE analysis and HDI methodology. The analysis showed that the rural area of the two analyzed countries is significantly behind the EU average. The results showed that political and legal factors have the greatest impact on the state of rural areas, while other factors in terms of development are not sufficiently represented. Furthermore, the results of the analysis show that over 90% of the population is literate, while the level of investment attraction is below the EU average. For this reason, it is necessary to raise labor productivity, that is, to initiate investment absorption measures to improve technology, and the production process, which would ultimately increase GDP per product unit. Therefore, it can be concluded that the rural areas of the analyzed countries have development potential, and it is necessary to use it adequately.

Published
2022

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