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Articles by Arben Haziri
Total Records ( 4 ) for Arben Haziri
  Fatmir Faiku , Haxhere Faiku , Arben Haziri , Fatbardh Gashi , Naser Troni , Sevdije Govori and Albert Maxhuni
  Problem statement: In this study we examined the precipitation of Zn(II) ion in water solutions of ZnSO4.7H2O (1.10-2 and 5.10-3 mol L-1) with (2S)-2-aminobutanedioic acid (1.10-1-1.10-3 mol L-1) in constant ionic strength of 0.6 mol L-1 NaCl. We have determined the concentration region where we have found the clear solution and solid phase. The solid phase is analyzed by IR spectroscopy. Approach: From precipitation diagrams of zinc with (2S)-2-aminobutanedioic acid in ionic force 0.6 mol L-1 NaCl, we have found that during decreasing the concentration (2S)-2-aminobutanedioic acid in case of constant concentration of Zn(II) the limit of precipitation is shifted to lower values of pH. Results: Also from precipitation diagrams we can see that when the concentration of zinc increases, in case of constant concentration of (2S)-2-aminobutanedioic acid the limit of precipitation will shift at lower values of pH. Conclusion: From the IR spectroscopic analysis we can conclude that Zn (II) ion has reacted with (2S)-2-aminobutanedioic acid.
  Arben Haziri , Sevdije Govori-Odai , Murtezan Ismaili , Fatmir Faiku and Imer Haziri
  We have analyzed the chemical nature of essential oil of Tanacetum parthenium (L.) from East part of Kosova. Approach: The essential oil from aerial part of Tanacetum parthenium (L.), obtained by hidro-distillation was analyzed by GC and GC-MS. Results: Out of 25 peaks, 22 components, which constitute 88%, were identified in oil. The main compounds of Tanacetum parthenium (L.) from east region of Kosova, were camphor (63%) and camphene (9.6%). This study demonstrates the occurrence of camphor/camphene chemotype of Tanacetum parthenium (L.) from east part of Kosova. The present study showed the chemical composition of the hydro-distilled oil of Tanacetum parthenium (L.) from East part of Kosova and the results are compared to those reported in the literature. Conclusion: After comparison of our date with those reported in literature we can conclude that genetic and environmental factors play role in determining the composition of essential oil of Tanacetum parthenium (L.).
  Fatmir Faiku , Haxhere Faiku , Arben Haziri , Sevdije Govori , Murtezan Ismaili and Albert Maxhuni
  Problem statement: The goal of this research was to investigate the condition for removing of Zn cation from water, through precipitation method with 2-hydroxy-1,2,3-propanetricarboxylic acid as ligand. Approach: In this study we examined the precipitation of Zn(II) ion in water solutions of ZnSO4 x 7H2O (1x10-2 and 5x10-3 mol L-1) with 2-hydroxy-1,2,3-propanetricarboxylic acid (1x10-1-1x10-3 mol L-1) in constant ionic strength of 0.6 mol L-1 NaCl. We have determined the concentration region at which Zn(II) start to precipitate. Results: From precipitation diagrams of zinc with 2-hydroxy-1,2,3-propanetricarboxylic acid, in ionic force 0.6 mol L-1 NaCl, we have found that during decreasing the concentration of 2-hydroxy-1,2,3-propanetricarboxylic acid, in case of constant concentration of Zn(II), the limit of precipitation is shifted to lower values of pH. The solid phase is analyzed by IR spectroscopy. Conclusion: From the IR spectroscopic analysis we can conclude that Zn(II) ion can precipitate with 2-hydroxy-1,2,3-propanetricarboxylic acid.
  Imer Haziri , Arben Haziri , Enkeleda Ozuni and Ibrahim Mehmeti
  Objective: The aim of this study was to determine the effect of cadmium (Cd) on the level of phospho-lipids peroxidation, by measuring the level of malondialdehyde (MDA) and study the changes on body weight of egg-laying breed chickens. Methodology: Total four groups of chickens have been included in the experiment. Three groups treated with different concentrations of cadmium (2, 4 and 6 mg kg–1 of live weight added in drinking water) and one group as a control without treatment with Cd. The data were analyzed statistically by using SPSS software package. ANOVA test and the medium and standard error of the mean were presented. Results: The result shows that, level of malondialdehyde in blood is increased by increasing the cadmium on daily diet of chicken. On the control group, the MDA level was 17 μmol L–1 when we have treat with cadmium 2 mg kg–1 the level increase amounts twice (30 μmol L–1), on the 3rd group 44 μmol L–1 when was supplemented with 4 mg kg–1, while on the 4th group (supplemented with 6 mg kg–1 Cd) it reach up to 64 μmol L–1. In another hand, body weight of egg-layer chicken in three different times point, supplemented with different amount of Cd shows to be different. When the chickens was not treated with Cd body weight on last days reach up to 1114 g while by adding the Cd on feed the body weight has decrease to 734 g. Conclusion: It can be concluded that, MDA is increase by increasing the cadmium concentration on daily diet. This is due to makes difficulties on peroxidation of the lipids or proteins on body chickens and also plays negative effects on increasing the body weights. Also the body weight of the egg-laying breed chickens was decreased by feeding the chicken with Cd indicating that Cd plays a negative effect on feeds and most probably on the quality of the meat.
 
 
 
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