Volume 29, Issue 1
مرور بر اساس
ارسال های اخیر
-
STUDY THE EFFECTS OF CdCl2 ON LIPID PEROXIDATION AND ANTIOXIDANT COMPOUNDS CONTENT IN BRASSICA NAPUS
(Springer, 2005-02-01)Heavy metal accumulation in plants causes induction of oxidative stress. Plants have severaldefense systems involved in detoxifying free radicals. In the present research we treated the 15 d.seedlings of B. napus grown in ...
-
GEOTHERMOBAROMETRY OF Al2SiO5-BEARING METAPELITES IN THE ARDARA AUREOLE, NW IRELAND: AN IMPLICATION FOR P-T STABILITY FIELD OF ALUMINIUM SILICATE POLYMORPHS
(Springer, 2005-02-01)Andalusite, kyanite and sillimanite occur in well-defined zones in the Ardara aureole, NWIreland. Temperature and pressure conditions of the Al2SiO5-bearing pelites in this aureole wereestimated using ten different ...
-
DESIGNING A NEW RECOMBINANT STRAIN WITH ADDITIONAL COPY NUMBER OF DSZ CLUSTER TO ENHANCE BIODESULFURIZATION ACTIVITY IN PSEUDOMONAS AERUGINOSA ATCC 9027
(Springer, 2005-02-01)The combustion of sulfur-rich fossil fuels leads to the release of acid rain-causing sulfurdioxide into the environment. The aim of this study was to enhance the efficiency of biodesulfurizationusing Pseudomonas aeruginosa ...
-
ADSORPTIVE IMMOBILIZATION OF MICROSOMAL MEMBRANES
(Springer, 2005-02-01)In this article, the immobilization of microsomal membranes on Fractosil and hexadecylFractosil by hydrophobic adsorption is reported. Microsomes were prepared from rat brain and thecatalytic activity of antimycin A ...
-
THE INFLUENCE OF HYDRAZINE HYDRATE IN THE PREPARATION OF LEAD SULFIDE THIN FILM
(Springer, 2005-02-01)In this paper a chemical deposition procedure for the preparation of lead sulfide thin film ispresented. The details of the preparation method are described. The influence of hydrazine hydrate onthe microstructure and ...
-
ADSORPTION OF ARSENATE ION BY Fe, Pb AND Ag-EXCHANGED FORMS OF CLINOPTILOLITE
(Springer, 2005-02-01)Experiments were set up to estimate the effectiveness of clinoptilolite for the removal ofarsenate from aqueous solutions. The removal of arsenate by the exchanged forms was analyzed in thelight of the Langmuir model of ...
-
TAXONOMIC STUDY OF CHIRONOMIDAE (DIPTERA) LARVAE OF ZAYANDEHROOD RIVER, IRAN, AND EFFECTS OF SELECTED ECOLOGICAL FACTORS ON THEIR ABUNDANCE AND DISTRIBUTION
(Springer, 2005-02-01)To date, no comprehensive study has been carried out on the chironomid larvalidentification in running waters of the country, in particular in large rivers. Therefore, this article is thefirst of its kind in Iran that has ...
-
THE EFFECTS OF GOSSYPOL ON SPERMATOGENESIS IN NMRI MICE
(Springer, 2005-02-01)Infertility is a relatively common problem among couples, and Gossypol, a yellowishpigment detected in cottonseed, is one cause.Adult NMRI mice (25-35 gr) were used in this study. The animals were kept in standard ...
-
EVALUATION OF DIFFERENT TYPES OF DOUGH FOR PASTAS
(Springer, 2005-02-01)Protein content and its effect on the quality of fresh pastas, obtained from dough preparedwith different formulas: semolina, wheat flour, gluten, wheat bran and soybean proteins, were evaluatedin this paper. Tests were ...
-
ARMA MODELLING OF ARTIFICIAL ACCELEROGRAMS FOR WESTERN IRAN
(Springer, 2005-02-01)The Artificial Accelerograms have been developed for assessing the dynamic response ofstructures. Considering seismological properties of the site are necessary for the best simulation ofaccelerograms. The real recorded ...
-
MORPHOLOGICAL MALFORMATIONS IN LIMBS AND SKELETAL STRUCTURES INDUCED BY RETINOIC ACID IN MOUSE EMBRYO (NMRI)
(Springer, 2005-02-01)Retinoic acid (RA) plays a key role in pattern formation along the major body axis and limbformation during vertebrate development. Exposure to excessive retinoic acid (in uterus) generatescongenital malformations in limbs, ...
-
STRUCTURAL AND IONIC BOND STRENGTH INVESTIGATION USING PAULING ESB RULES OF NONSTOCHIOMETRIC SPINEL COMPOUNDS LixMn2O4 AND STOICHIOMETRIC Li1+yMn2-yO4, AS CATHODE MATERIALS FOR RECHARGEABLE LITHIUM-ION BATTERIES
(Springer, 2005-02-01)In this paper we present our studies using Pauling electrostatic bond strength (ESB) rules forstructural behaviour, cation vacancies, relation between x, y, and the valence of cations and coordinationin spinel compounds ...
-
GLUCOSE 6-PHOSPHATE DEHYDROGENASE FROM STREPTOMYCES AUREOFACIENS: LIGAND-INDUCED CONFORMATIONAL CHANG
(Springer, 2005-02-01)Some kinetic properties of NAD+- and NADP+- dependent glucose 6-phosphatedehydrogenase (G6PD) purified from streptomyces aureofaciens were studied. Both NADH andNADPH inhibited the enzyme competitively and noncompetitively, ...
-
ISOENZYME CHARACTERIZATION OF IRANIAN LEISHMANIA ISOLATES FROM CUTANEOUS LEISHMANIASIS
(Springer, 2005-02-01)During the period from 1996 to 1997, 45 isolates of Leishmania were recovered frompatients suspected of cutaneous leishmaniasis (CL) and one from a gerbil. These specimens werereceived from various parts of Iran. Isoenzyme ...
-
EFFECTS OF ADDED NUTRIENTS ON DRY MASS, AFDM, CHLOROPHYLL a AND BIOVOLUME OF PERIPHYTON ALGAE IN ARTIFICIAL STREAMS
(Springer, 2005-02-01)We studied the role of nutrients on various aspects of the periphyton community in artificialstreams. Dry mass, ash-free dry mass, chlorophyll a and biovolume of the periphyton community weremeasured under 3 different ...
-
THE EFFECTS OF UV-A, UV-B AND UV-C ON PROTEIN AND ASCORBATE CONTENT, LIPID PEROXIDATION AND BIOSYNTHESIS OF SCREENING COMPOUNDS IN BRASSICA NAPUS
(Springer, 2005-02-01)The role of the antioxidant defense system was studied in Brassica napus, and subjected todifferent supplementary bands of ultraviolet radiation (UV-A, UV-B and UV-C). This study showed thatUV-B and UV-C induced oxidative ...
-
CHARACTERIZATION OF MERCAPTOBENZIMIDAZOLE ADSORPTION ON AN Au(111) ELECTRODE
(Springer, 2005-02-01)The adsorption of 2-mercaptobenzimidazole (2-MBI) on Au(111) has been studied withcyclic voltammetry (CV), in-situ subtractively normalised interfacial FT-IR spectroscopy (SNIFTIRS)and scanning tunnelling microscopy (STM). ...
-
IDENTIFICATION OF SOIL PYTHIUM SPECIES IN FARS PROVINCE OF IRAN
(Springer, 2005-02-01)During 2000-2001, soil Pythium species were studied in Fars province. Soil samples werecollected from various parts of the province (Abadeh, Bajgah, Bayza, Borazjan, Darab, Estahban, Fasa,Khafr, Sepidan, Shiraz, Moharloo, ...
-
SYNTHESIS AND DISSOCIATION CONSTANTS OF CALIX(6)ARENE HYDROXAMIC ACIDS
(Springer, 2005-02-01)Calix(6)arene hydroxamic acids (III) are synthesised for the first time by reactingcalix(6)arene acid chloride(II) with substituted hydroxylamines at low temperature in the presence ofsodium bicarbonate. The p-carboxycal ...
-
EFFECT OF EPHEDRINE ON CARCASS CHARACTERISTICS OF FAT-TAILED SHEEP
(Springer, 2005-02-01)The effect of daily oral administration of ephedrine (0, 1, 2, 4 or 8 mg kg-1 W0.75) on carcasscharacteristics of forty-four 2 yr old crossbred (Mehraban x Ghezel) fat-tailed ewes was studied. Theewes were fed a fattening ...



