Two antibiotics isolated from a culture MA-2465 were identified as aureothin and labilomycin, the chemical structures of which had been reported previously. It was also concluded that mycolutein and pulvomycin isolated as antibiotics in 1955 and 1957 respectively are also identical with aureothin and labilomycin. A cursory study of MA-2465 indicates that it is distinctly different from the cult...

data envelopment analysis (dea) technique was used to analyze the efficiency of farmers, discriminate efficient farms from inefficient ones and to identify wasteful uses of energy for orange producers in khouzestan region. data were collected from 125 watermelon producer by using a face-to-face questionnaire. results revealed that total energy consumption in plasticulture and open-field waterme...

Due to hygienic risks of mercury residues in food and marine originated supplements, measuring total mercury and methyl mercury contents of canned tuna as a highly consumable marine food product is essential. In this study, 40 canned Tuna fish (from Persian Gulf) were collected in 2015 and then flame atomic absorption spectrometer (FAAS) and thermo gas chromatography mass spectrophotometry were...

Background: Maternal and neonatal factors could help determine the potential incidence of hyperbilirubinemia. In this study, we aimed to identify the relationship between the severity of jaundice in newborns and maternal and neonatal factors. Methods: This descriptive, cross-sectional study was conducted in 2014. Icteric newborns, admitted to Qods and Kowsar teaching hospitals in Qazvin, Iran ...

Let $G$ be a simple graph with vertex set $V$. A double Roman dominating function (DRDF) on $G$ is a function $f:Vrightarrow{0,1,2,3}$ satisfying that if $f(v)=0$, then the vertex $v$ must be adjacent to at least two vertices assigned $2$ or one vertex assigned $3$ under $f$, whereas if $f(v)=1$, then the vertex $v$ must be adjacent to at least one vertex assigned $2$ or $3$. The weight of a DR...

the performance of new forage brassica plants were studied in ilam, iran, during 2012-2014 in a field experiment using a randomized complete block design with four replications. the treatments included, different forage crops perko, buko, oilseed radish, berseem clover, and the combination of three plants ramtil, phaselia, and clover. the studied traits consisted of plant height, forage yield, ...

Background: Satureja bachtiarica Bunge, an endemic species with relatively wide distribution, is traditionally used as a medicinal and spice plant in Iran. Objective: Essential oils composition, antioxidant activities and phenolics content of wild and cultivated S. bachtiarica of Yazd origin were determined in this study. Methods: Hydrodistilled essential oils were analyzed by GC-FID and GC-M...

strawberry (fragaria ananassa duch.) is a good source of natural antioxidants. fruits from eight strawberry (fragaria ananassa duch.) cultivars (‘kurdistan’, ‘merck’, ‘camarosa’, ‘paros’, ‘queen elisa’, ‘ventana’, ‘selva’ and ‘pajaro’) were harvested at ripen stage and analyzed for total phenolic content, total anthocyanin content, vitamin c, total soluble solid and total antioxidant activity. ...

Introduction: Glomus tympanicum (GT) is a benign primary tumor of the middle ear. The evolution of endoscopic ear surgery has allowed for an alternative approach to managing this vascular tumor. The purpose of this study was to evaluate an endoscopic approach in GT surgery, and also to investigate its applicability and feasibility.   Materials and Methods: Prospectively, 13 class I and II patie...