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Articles by S. Sadeghi
Total Records ( 4 ) for S. Sadeghi
  S. Sadeghi , M. Hedayati and S. Jamili
  Aim of this study was determination of sperms’ ATP content of golden grey mullet in different time, temperature and extenders. Caspian Sea Mugilidea is one of the most important fish of the sea fishery which nowadays is the predominant catches fish of the mentioned sea. The ATP content of mentioned fish sperm is an important index of fish fertility determination of the sample’s ATP concentration was done by ultra sensitive bioluminescence method. ATP content of sperms were determined at two different sampling temperature (10-12 and 18-20°C) and two different keeping temperature (4°C and room temperature) for 6 h and also ATP content assayed until 10 days storage in the three extender types (glycerol, 0.7 and 0.65% salt solution). Results of the present study showed that, ATP content of sperms, collected at 10-12°C was 74.04±7.22%, in comparison to 18-20°C. The ATP content of sperms during 6 h keeping at 4°C and room temperature were 90.26±0.91% and 17.17±1.49%, respectively. Determination of sperms’ ATP content after 5 days keeping in glycerol, 0.7 and 0.65% salt solution revealed that glycerol or 0.65% salt solution is better extender than 0.7% salt solution. But sperms which were kept in mentioned extenders for 10 days showed that glycerol was better than salt solutions based on sperm ATP content saving. Results revealed that, in order to save sperms’ ATP content of golden grey mullet, sampling at 18-20°C and keeping in glycerol as extender is recommended.
  K. Solaimani and S. Sadeghi
  The aim of this study is to investigate the detection using hydrometric data and GIS technique for the central part of Iran because of the water shortage for agricultural and industrial activities. In many parts of Iran, the pressure of agricultural development is causing a surface-water scarcity. That means groundwater resources recharge will be effected for this reason which caused a major problems in future. The study area of Mayghan is located in Central Iran with 2854.63 km2 as a part of Arak plain and near to 110 km2 as a playa. Before 1951, there was no evidence of deep well in this area and the related activities were depended on the low stream rivers, aqueducts and wells. According to the hydrometric records of the regional water organization 3161 wells added to the injection wells, between 1970 and 2004. The qualitative increasing of these wells can be calculated as annually growth of 94 for the study area which are totally pumping about 531.5/million/m3 with annual increasing of 15.63/million/m3. The growth of annual demands for water supply has caused some environmental problems since there was no sufficient water intrusion to the aquifer plain which causes constantly the height of ground water reservoir declination as shown in related graphs. In this study, groundwater data were analysed using ArcGIS, statistical methods, geographic information techniques of Arc view and Ilwis.
  Z. Zamani , M. Arjmand , M. Tafazzoli , A. Gholizadeh , F. Pourfallah , S. Sadeghi , R. Mirzazadeh , F. Mirkhani , S. Taheri , A. Iravani , P. Bayat and F. Vahabi
  Vaccines require a period of at least three months for clinical trials, hence a method that can identify elicitation of immune response a few days after the first dose is a necessity. Evolutionary variable selections are modeling approaches for proper manipulation of available data which were used to set up an animal model for classification of time dependent 1HNMR metabolomic profiles and pattern recognition of fluctuations of metabolites in two groups of male rabbits. One group of rabbits was immunized with human red blood cells and the other used as control. Blood was obtained every 48 h from each rabbit for a period of six weeks and the serum monitored for antibodies and metabolites by 1HNMR spectra. Evaluation of data was carried out using orthogonal signal correction followed by principal component analysis and partial least square. A neural network was also set up to predict immunization profiles. A distinct separation in patterns of significant metabolites was obtained between the two groups, just a few days after the first and the second dose. These metabolites were used as targets of neural networks where each sample was used as test, validation and training and their quantitative influence predicted by regression. This model could be used for prediction of immunization in rabbits a few days after the first dose with 96% accuracy. Similar animals and human vaccine trials would assist greatly in reaching early conclusions in advance of the usual two month immunization schedule; resulting in an appreciable saving of cost and time.
  F. Pourfallah , S. Javadian , Z. Zamani , R. Saghiri , S. Sadeghi , B. Zarea , F. Mirkhani , N. Fatemi and T. Kordi
  The purpose of this study was to evaluate the levels of Zinc, Copper, Iron and Copper/Zinc ratio in the serum of adult patients with pulmonary tuberculosis in Iran. Serum levels of Zinc and Copper were determined by flame atomic absorption spectrophotometer and serum iron concentration was measured by using an Auto Analyzer. The study group consisted of 50 pulmonary tuberculosis patients before treatment and after 6 months of anti-tubercular therapy. Levels of serum Zn (p<0.001) and Fe (p<0.001) in TB patients were significantly increased after 6 months of anti-tubercular therapy. However, serum Cu concentration (p<0.01) and Cu/Zn ratio (p<0.05) were decreased after 6 months of anti-tubercular therapy. Some studies indicated a strong association of Zn, Cu, Fe and the Cu/Zn ratio with TB. In this study, we found remarkable change in Cu/Zn ratio. Some researchers mentioned that serum Cu/Zn ratio could be used as an important laboratory marker for diagnosis and treatment of tuberculosis. They also mentioned that trace element levels must be closely monitored during the process of disease.
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