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Search Results: 1 - 10 of 325374 matches for " S. JAFARABADI ASHTIANI "
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Lucr?ri ?tiin?ifice : Management Agricol , 2009,
Abstract: The presence of garlic and onion in the traditional pharmacopoeia, in ritual gastronomy and also in Romanian toponymy, is proof of these plants’ sacredness in Romanian area, especially in Banat. Since we are convinced that it’s not Romanian’s who became Christian but Christianity became Romanian, we looked for mystical, archetypal arguments, despite the industrial and socio-economical development of Timi county, because there still is an image of a very complex, live world, emerged from the traditional. The depiction of this vision on existence is necessary in order to understand the meaning of archaic special acts that can be found in every step even nowadays. The world of feelings is followed by the world without feelings, the world beyond, the world of death. The passage from one to the other is possible and beneficial (if it occurs on natural ways, strengthen by the ritual, the ceremonial filled with reminiscences of sacredness) or evil, random under the influence of dark powers, when eschatological terror occurs and entities not of this world (ghosts, evil spirits) enter our world. In popular tradition, these plants have miraculous powers in casting away evil spirits as well as gastronomical properties.
Modeling the Underlying Predicting Factors of Tobacco Smoking Among Adolescents
M Asghari Jafarabadi,H Allahverdipour,S Bashirian,A Jannati
Iranian Journal of Public Health , 2012,
Abstract: Background:With regard to the willing and starting tobacco smoking among young people in Iran.The aim of the study was to model the underlying factors in predicting the behavior of tobacco smoking among employed youth and students in Iran.Methods: In this analytical cross-sectional study,based on a random cluster sampling were recruited 850 high school students,employed and unemployed youth age ranged between 14 and 19 yr from Iran. The data of demographic and tobacco smoking related variables were acquired via a self-administered questionnaire.A series of univariate and multivariate logistic regressions were performed respectively for computing un-adjusted and adjusted Odds Ratios utilizing SPSS 17 software.Results:A number of 189 persons (25.6%) were smoker in the study and the mean smoking initiation age was 13.93 (SD= 2.21). In addition, smoker friend,peer persistence,leaving home, and smoking in one and six month ago were obtained as independent predictors of tobacco smoking.Conclusions:The education programs on resistance skills against the persistence of the peers,improvement in health programs by governmental interference and policy should be implemented.
Incidence and Causes of Positive Tests for Reducing Substances in Urine of Children
S Shams,F Jalilian,A Rabbani,MTH Ashtiani
Iranian Journal of Pediatrics , 2006,
Abstract: Background: Inborn errors of metabolism is a general term applied to numerous genetic disorders pathology of which is usually attributed to excessive tissue storage or abnormally high circulating concentrations of a specific not degraded metabolic substance. Early diagnosis can prevent irreversible complications of some of these disorders. Errors in carbohydrate metabolism belong to this category of disturbances. Sugars of clinical interest are all reducing sugars. The aim of this study was determination of the incidence rate and causes of positive Benedict’s test in hospitalized or outpatient children under 14 years of age. In addition, identification of interfering substances that could cause false positive results and the necessity of Benedict’s test prior to chromatography were other purposes of the study. Methods: 1473 urine samples in a case series and prospective study were examined. Benedict’s test was done for detection of reducing substances and paper chromatography for identification of the specific reducing sugar and amino acids present in the urine. Findings: 59% of the samples were positive for reducing substances. Significant decrease in positive results was occurred with restricted diet (free of fruits, vitamin C, honey, drugs). Paper chromatography for sugars and amino acids were performed on positive samples. Lactose was the most frequently found (32%) sugar followed by galactose (24%). In 54% there were no reducing sugars detected. The results also showed 36% cystein and 19% other amino acids in positive samples. No significant differences were observed in rate and degree of positive results with respect to sex and age of the patients. Conclusion: The results obtained in this study indicate that important reducing sugars or amino acids may be detected even in weakly positive results of Benedict’s test, thus justifying follow-up studies of positive test for reducing substances in urine.
The Effects of Salinity, Phosphate Deprivation and Eosin on Growth and Astaxanthin Production in Unicellular Green Alga, Haematococcus Pluvialis
S. Farrahi-Ashtiani,M. Mahdiyeh,I. Nahvi
Journal of Science and Technology of Agriculture and Natural Resources , 2002,
Abstract: In order to increase ketocarotenoid astaxanthin production by Haematococcus pluvialis, the effects of salinity, phosphate deprivation and eosin on growth and astaxanhin production were examined. The experiments were carried out in the growth chamber at 20oC under sterile conditions. The results showed that under salinity, phosphate deprivation and eosin supply, encystment was induced, and at the same time, astaxanthin formation and dry weight increased. Furthermore, by adding histidine to culture medium as a quencher of singlet oxygen, astaxanthin production significantly reduced. Therefore, it can be claimed that accumulation of astaxanthin may be related to antioxidative responses, which increased survival of algal cells under environmental stress conditions.
Free Radicals Scavenging Activity of Essential Oils and Different Fractions of Methanol Extract of Zataria Multiflora, Salvia Officinalis, Rosmarinus Officinalis, Mentha Pulegium and Cinnamomum Zeylanicum
N Hosseini,A Malekirad,S Changizi Ashtiani,M Nazemi
Journal of Shahid Sadoughi University of Medical Sciences , 2012,
Abstract: Introduction: Essential oils and extracts from medicinal plants are regarded as natural food preservatives and health promoting drugs. Considering their antioxidant activity, most of them can prevent oxidative stress. The present study was aimed to evaluate free radicals scavenging activity of essential oils and different fractions of methanol extracts from cinnamon, pennyroyal, black cumin, sage, rosemary and azkand. Methods: Antioxidant property of essential oils and different fractions of these medicinal plants was studied by determining their DPPH(2,2-diphenyl-1-picrylhydrazyl) free radicals scavenging activity. Results: There were significant differences among the free radical scavenging activity of studied essential oils and different fractions. Ethyl acetate fractions were identified as the most active fractions than other ones and even synthetic antioxidant (BHT, IC50 value of 239.5μg/ml) with the highest activity in Mentha pulegium (47.2 μg/ml μg/ml). Among others, n-hexane fraction of rosemary (969 μg/ml), dichloromethane fraction of rosemary (205.46 μg/ml) and zatar (344 μg/ml) and aqueous fractions of cinnamon (117.6 μg/ml) and sage (321.3 μg/ml) exhibited appreciable antioxidant activity. Conclusion: Regarding considerable activity of studied extracts, they have the potential to be used as natural antioxidants in relevant industries.
The Arrangement of Microtubules in Embryos Derived from Mice Young, Old and Reconstructed Oocytes
A. Shahverdi,M. Movahedin,M. Rezazadeh Valojerdi,S. Kazemi Ashtiani
Cell Journal , 2008,
Abstract: Objective: To study the structure and distribution of microtubules in embryos derivedfrom young, old and reconstructed oocytes.Materials and Methods: Embryos obtained from old (50 embryos), young(50 embryos) and reconstructed oocytes (10 embryos) were studied byimmunocytochemistry. The microtubule structures of the embryos were studied byusing fluroscent microscopy with FITC-PI filter and polyclonal antibody against alfatubulin.Results: The spindle structure of MII young oocyte and the obtained embryos werenormal with the suitable condensation. There was no contact between chromosomeand spindle in old Oocytes as well as the obtained embryos, in addition, the spindlewas extended in old group. In reconstructed embryos, thin and scattered filamentswere observed.Conclusion: This study reveals that the arrangement of microtubules inreconstructed embryos was caused by repeating of injection and oocytemanipulation. Also, interactions between karyoblast, cytoplasm and microtubulsmay not be suitable. This may be caused by low fertilization in these oocytes.
Non-surgical female sterilization with quinacrine-induced tubal occlusion: a clinical trial
Tehran University Medical Journal , 2008,
Abstract: Background: Over the last 35 years, quinacrine has been used to sterilize more than 150,000 women in 40 countries, first in the form of slurry and now in the form of cylindrical pellets. Some studies confirmed the tubal occlusion by hysterosalpyngo-graphy, but this method increases the chance of failure. Only a few studies on tubal occlusion have used transvaginal sonography for confirmation, and there were some doubts about the effect of quinacrine on the endometrium. We performed this study to evaluate the tubal scar and endometrial pattern by ultrasound and to determine the feasibility, acceptance, and side effects of quinacrine sterilization (QS) in Iranian women. Methods: This prospective clinical trial was done at the Vali-e-Asr Reproductive Health Research Center of the Tehran University of Medical Sciences between April 2005 and July 2006. One hundred sexually active women ranging from 30 to 47 years of age, who had at least two children above two years old, requesting sterilization, were sterilized by this method. By the end of menstrual bleeding, seven pellets, each containing 36mg quinacrine, were inserted in the uterine fundal area via the cervical canal. The procedure was repeated one month later. Three cycles after the first step, transvaginal sonography was performed to visualize the tubal scar and determine the endometrial pattern. Patients were followed at one and three years after initiation of the procedure. Results: All women were satisfied with the procedure. There were no side effects. No pregnancies had occurred, nor were there endometrial thickness abnormalities. Scar formation was visible in the tubes. "nConclusion: Quinacrine sterilization is a useful method for women and can be recommended to family planning services as an ambulatory procedure due to its efficacy, simplicity, acceptance and cost effectiveness.
Analysis of Bovine Growth Hormone Gene Polymorphisms in Three Iranian Native Breeds and Holstein Cattle by RFLP-PCR
S. Zakizadeh,G. Rahimi,S.R. Mirae-Ashtiani,A. Nejati-Javaremi
Biotechnology , 2006,
Abstract: The aim of this study was to estimate the allelic frequency in polymorphic sites of intron 3 and exon 5 of bovine growth hormone gene in three Iranian native and Holstein cattle. A total of 406 genomic DNA samples were extracted from three Iranian native cattle including, Mazandarani 97, Sarabi 87, Golpaygani 112 and Holstein 110 cattle. The PCR procedure was used to amplify 345 bp of bGH-intron 3 and 404 bp of bGH-exon 5. The frequencies of MspI (+) allele were estimated as 0.55, 0.51, 0.44 and 0.83 in Mazandarani, Sarabi, Golpaygani and Holstein breed, respectively. The allelic frequencies of AluI (+) were calculated as 0.91, 0.84, 0.92, 0.85 and for DdeI (+), 0.52, 0.54, 0.47 and 0.86, for these breeds, respectively. Chi-square test showed significant differences (p<0.01) in genotypic frequency between native and Holstein breed in MspI and DdeI restriction sites. There was significant differences in genotypic frequencies between Mazandarani (p<0.05) and Golpaygani (p<0.01) with Holstein breed at AluI restriction site. This difference was not significant between Sarabi and Holstein breed. The differences in allelic frequency between native breeds and Holstein cattle at the present study might be due to differences in origin of breeds, selection plans applied to Holstein population for improving milk production.
Phenotypic Correlations among 9 Morphological and 3 Production Traits in Honey-Bee Population in Tehran Province
S. Yarahmadi,S.R. Mirai Ashtiani,R. Ebadi,G.H. Tahmasebi
Journal of Science and Technology of Agriculture and Natural Resources , 2001,
Abstract: In this study 130 honeybee colonies in 4 locations (Damavand, Tehran, Qum and Karaj-Savojbolagh) were sampled to determine the phenotypic correlations among 9 morphological and 3 production traits. The morphological traits were length (FL) and width (FB) of fore wing, cubital index (CI), length of hind leg (HL), length of probosics (LP), slender index (SI), length (WL) and width (WT) of wax mirror, distance between wax mirror (WD), index of wax mirror (IW) and corbicular area (CA). The production traits were honey yield (WH), pollen gathering (WP) and wax: production (WW). Data were subjected to analysis of variance, phenotypic correlations, stepwise regression and path coefficient analysis. Results of phenotypic correlations demonstrated that correlations between FL with FB (0.65), WL (0.361), WT (0.261), HL (0.555) and LP (0.257), WH with WP (0.300), WW with WH (0.560) and CA with WH (0.234) were significant (P≤0.01). FB with WH (r=0.204) was also significant but there was no significant correlation between CA and WP. Results of stepwise regression and path coefficient analysis showed that whereas morphological traits were settled as independent variables, much of the corresponding changes in production traits remain uninterpreted. In spite of the significant correlations among several morphological and production traits, body measurements alone are not suitable criteria to select colonies for high productions of honey, pollen and wax.
Gentic Variation Within and Between Five Iranian Sheep Populations Using Microsatellite Markers
M. H. Banabazi,S. Esmaeilkhanian,S. R. Miraei Ashtiani,M. Moradi Shahrbabak
Journal of Science and Technology of Agriculture and Natural Resources , 2007,
Abstract: Genetic variation within and between five Iranian sheep populations including Sanjabi (SAN), Kordi Kordistan (KKO), Kordi Khorasan (KKH), Mehraban (MEH) and Moghani (MOG) was assessed using six microsatellite markers (McMA2, McMA26, MAF64, OarAE64, OarCP26 and OarFCB304). The PCR reactions were successfully perfomed with all primers except OarAE64. All locus-population combinations were at Hardy-Weinberg equilibrium except McMA2 in MOG population (P<0.005). Polymorphism criteria showed that the five studied loci were polymorphic in all populations. The lowest DA genetic distance (0.234) was observed between KKH and KKO and the highest (0.388) between SAN and MOG populations. The dendrograms based on DA distances were drawn using unweighted pair-group method using an arithmetic average (UPGMA) and neighbor-joining (NJ) method. KKO, KKH and SAN were grouped together at one cluster and MEH and MOG at another by both methods. The average expected heterozygosity for each populations (as interpopulation variation) ranged from 0.744 to 0.847 for KKH and MEH, respectively. The estimated time of divergence for two Kordi populations (KKO and KKH) was 445 years that complies with historical evidences. The findings of this research confirmed that microsatellite variation could be a useful tool for screening of investigating biodiversity among domestic animals.
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