A facile and efficient method for the preparation of 1, 1-diacetates of aldehydes is improved.P2O5/SiO2 catalyzed 1, 1-diacetates formation from aldehydes in dry media. Advantages of this methodare the use of an inexpensive ...

Interaction of glucose 6-phosphate dehydrogenase from S. aureofaciens with NAD+, NADP+and glucose 6-phosphate were investigated using different fluorescent probes. Binding of NAD+, NADP+and S-NADPH to the native enzyme ...

Flow cytometry (FCM) was used to determine the ploidy levels of six different populationsof Agropyron cristatum (L.) Gaertn. (Poaceae) in Iran, using a diploid cultivated barley (Hordeumvulgare L.) as an internal reference. ...

The removal of copper (II), zinc (II), and chromium (III) from wastewater by carrot residues(CR) was investigated to evaluate cation exchange capacity. The effects of solution pH and co- ions werestudied in batch experiments. ...

This study concerns the taxonomic status of Hordeum marinum sensu lato in Iran. Itsgeographical distribution in Iran has been reported. Based on the morphological study, the taxoncontains two subspecies: marinum and ...

The crystal structure of the compound C20 H24 N2 O24 was determined by direct methods. Thecrystals are monoclinic, space group P21/n, and unit cell parameters are: a= 10.2342 (9), b=4.8763 (5),c=19.3578 (11) A, β =98.9632 ...

Many cell lines, when cultured under proper conditions, can form three dimensionalstructures called multicellular spheroids. These spheroids resemble in vivo tumor models in severalaspects. Therefore, studying growth ...

The deleterious effects of morphine sulphate addiction on the central nervous system are welldocumented. Previous studies have shown that the passage of morphine from the placenta barrier caninfluence the normal development ...

Chloritoid is crystallised with chlorite, white mica and garnet in chlorite zone metapelites ofthe regional metamorphic rocks of the Sanandaj-Sirjan metamorphic belt in southern Iran. Chemistry ofcoexisting minerals is ...

The relationship between blood physiological attributes and carcass characteristics wasstudied in 40 randomly selected 8-month-old ram lambs of Ghezel and Mehraban (20 rams per breed)sheep. One day before slaughter, blood ...

Dunaliella salina was isolated from Maharlu salt lake in Shiraz, Iran, and was analyzed forthe effects of salinity stress on its growth, pigment content and ascorbate peroxidase activity. Growth,expressed as number of cells ...

There is little information available on morphological and agronomic traits, as well aschemical compositions of Iranian mint landraces. This study was conducted to investigate themorphological, agronomic and oil content ...

A restriction-site analysis of chloroplast DNA (cpDNA) was carried out to evaluate the levelof diversity in Vicia faba L. germplasm selected from different geographical regions using 11 restrictionendonucleases. We analyzed ...

The batch fermentation production of human growth hormone (hGH) was studied in a newrecombinant Escherichia coli. The effect of different levels of dissolved oxygen and glucoseconcentration on cell density and substrate ...

Tea (Camellia sinensis) is one of the most economically important crops and is considered tobe the national drink of Iran. Although there has been an intensive cytogenetic study of tea in differentregions of the world, ...

Drought is considered as one of the most important limiting factors for oil seed canola plant(Brassica napus L.) growth and productivity in Iran. On the basis of root and shoot dry weight asaffected by water stress exerted ...