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Publikacije (46654)

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S. Dacić, Sabira Salihović

Inspection of technical roadworthiness of vehicles circulating in the European Union is defined as an upgrade to the technical inspection of vehicles and represents an additional possibility for improvement of technical roadworthiness of vehicles and safety of traffic, which is exhaustively and comprehensively regulated through Directive 2014/47/EU of the European Parliament and of the Council on the technical roadside inspection of the roadworthiness of commercial vehicles circulating in the union. Since proper load securing on vehicles is a significant factor for traffic safety, this paper describes the basic characteristics defined within Directive 2014/47/EU related to the securing and inspection of securing of load on vehicles. In addition, the paper provides a review and scope of the standards supporting the above-mentioned Directive. The presented standards - EN 12195-1/2/3/4, EN 12640, EN 12641-1/2, EN 12642, EN 283, EUMOS40509, EUMOS40511, ISO 1161 and ISO 1496-1/2/3 - provide detailed information about equipment for load securing on road vehicles, method of load securing, design of commercial vehicles and transport packages as well as the minimum requirements and specifications of required tests.

Boris Radak, B. Bokić, Nusret Preljević, M. Rat, D. Janjic, J. Knežević, G. Anačkov

O. Vugrek, I. Jerić, A. A. Ristov, U. Zechner, B. Maček, Ivanka Jerić Chair, M. Kralj, T. Balog et al.

A. Softić, Katica Velija, J. Ramic, Kasim Bajrovic, G. Radosavljević, Lejla Lasić, Belma Kalamujić, V. Šakić et al.

This paper presents the first estimation of polymorphism of the Bosnian-Herzegovinian-Croatian Shepherd dog Tornjak in Bosnia and Herzegovina using 10 microsatellite loci, which are an integral part of StockMarks® for Canine Genotyping Kit (Applied Biosystems, Foster City, CA, USA). Ten microsatellite loci used in this study are appropriate for assessing the genetic diversity for this breed. Measures of genetic diversity were estimated based on allelic and genotypic calculations, observed (HO) and expected (HE) heterozygosities, deviations from Hardy-Weinberg equilibrium and polymorphism information content (PIC). The lowest genetic diversity was estimated for locus PEZ20, and the highest for PEZ6 locus. Observed and expected mean heterozygosities were 0.7261 and 0.7392, respectively. Statistically significant deviation (p<0.05) from Hardy-Weinberg equilibrium was found for PEZ1, PEZ12, PEZ3 and PEZ6 loci. The PIC values suggested that all markers (100%) are very informative (PIC > 0.5) in terms of their suitability for genetic diversity studies. When all observed parameters are taken into account (observed and expected heterozygosities, PIC, number of detective and effective alleles, number of detected and maximum possible genotypes, major allele frequency and major allele frequency index), we can conclude that PEZ6 locus shows the highest genetic diversity while PEZ3 displays the lowest. However, assuming values of observed and expected heterozygosities, as well as PIC, we consider loci PEZ20 to be the least diverse, but this locus has more effective alleles and more genotypes present than PEZ3. These preliminary results are the first genetic diversity survey of the Bosnian-Herzegovinian-Croatian Shepherd dog Tornjak in Bosnia and Herzegovina and could be useful to the dog breeders in designing and managing breeding strategies. Summarizing the information above, we can conclude that the population of the Bosnian-Herzegovinian-Croatian Shepherd dog Tornjak from B&H is not affected by substantial loss of genetic diversity. Results of our study indicate presence of reasonably high level of genetic variability and lead to a better understanding of this dog breed.

Valentina Turanjanin, Biljana Vucicevic, M. Jovanović

The existing building stock energy consumption accounts for about 38% of final energy consumption in Republic of Serbia. 70% of that energy is consumed by residential sector, mostly for space heating. This research is addressed to the single family house building placed in the Belgrade city. The house has ground and first floor with total heating area of 130 m2 and pellet as space heating source. The aim of this paper is to evaluate energy and economic analysis for different heating systems. Several homeheating were compared: Option 1 (biomass combustion boiler using pellet as a fuel), Option 2 (gas combustion boiler) and Option 3 (heat pump). The building performance was evaluated by TRNSYS 17 simulation code. Results show estimated savings using renewable energy sources. [Projekat Ministarstva nauke Republike Srbije, br. III42008]

D. Mitić-Ćulafić, B. Žegura, M. Filipič, B. Nikolić, M. Jovanović, J. Knezevic-Vukcevic

: Nutrition is recognised as one of the major factors that can influence the development of cancer. Heterocyclic amines formed during the cooking of meat are genotoxic carcinogens and consumption of meat positively correlates with certain types of human cancer. On the other hand, it has been reported that many plant components reduce the genotoxic activities of carcinogens, including HCAs. In this study we investigated the antigenotoxic potential of the monoterpenes linalool, myrcene and eucalyptol against two food-borne carcinogens: 2-amino-1-methyl-6-phenylimidazo[4-5- b ]pyridine (PhIP) and 2-amino-3-methylimidazo[4,5-f]-quinoline (IQ). The study was performed by the comet assay method in metabolically active HepG2 human hepatoma cells. In addition, the lipid peroxidation TBA assay was used to determine the anti-oxidative potential of these monoterpenes. To evaluate the antigenotoxic potential, cells were treated simultaneously with 0.01, 0.1 or 1 μg/mL of monoterpenes and either 90 μmol/LPhIP or 0.75 mmol/L IQ. The DNA damage induced by PhIP was reduced significantly (by 40-63%) by each of the three monoterpenes, while inhibition of IQ-induced DNA damage was less efficient (12-26% reduction) and limited to myrcene and eucalyptol. Lipid peroxidation was significantly inhibited by linalool and myrcene, with IC 50 values of approximately 30 μg/mL and 300 μg/mL, respectively. Eucalyptol showed only weak antioxidant activity (15% inhibition at 500 μg/mL). Taking into account the fact that reactive oxygen species (ROS) are formed during metabolic processing of PhIP, we assume that more efficient protection against PhIP-induced DNA damage was probably due to antioxidative activity of the monoterpenes or their metabolites, but the ability to interfere with metabolic activation of PhIP and IQ could also be involved.

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