نتایج جستجو برای: mononuclear complex
تعداد نتایج: 809035 فیلتر نتایج به سال:
Based-on the quasi-planar tetra-dentate Schiff-base ligand, a pair of manganese(III) Schiff-base enantiomers formulated as {[Mn(R,R-3-MeOSalcy)(H2O)(CH3OH)]ClO4}2 (1) and {[Mn(S,S-3-MeOSalcy)(H2O)(CH3OH)]ClO4}2 (2) (3-MeOSalcy = N,N′-(1,2-cyclohexanediylethylene)bis(3-methoxysalicylideneiminato)dianion) ...
Background: Umbilical cord blood (UCB) is an alternative source of hematopoietic stem cell transplantation (HSCT), used in Leukemia treatment. CD26+ cells, a fraction of CD34 positive cells, are a major population of UCB cells which negatively regulate the in vivo homing and engraftment of HSCs. CD26 is highly expressed in various cells such as HSCs, immune cells, fibroblasts, and epithelial ce...
this study investigated the effects of manipulating the cognitive complexity of tasks along +/- few elements and the time limits on l2 learners writing performance. to conduct the study, 60 iranian efl learners with two levels of proficiency, low and high intermediate, were selected and assigned to three groups based on the time devoted to task completion. the participants performed both a simp...
The reaction of copper(ii) acetate with 2-furancarboxylate (Hfur, pyromucate) anions and the N-donor ligands 4-phenylpyridine (phpy) 3-aminopyridine (NH2py) in acetonitrile afforded mononuclear complexes composition [Cu(fur)2(phpy)2(H2O)] · phpy (1) [Cu(fur)2(NH2py)2] (2), respectively. structures were established by X-ray diffraction. simultaneous thermal analysis behavior complex 1 showed tha...
conclusions the quite sensitive in-house taqman real time rt-pcr assay was able to detect and quantify all four main hcv genotypes prevailing around all geographical regions of iran. results the lower limit detection of this in-house hcv real-time rt-pcr was determined as 100 rna copies/ml. inter- and intra-assay coefficient of variation (cv) of this in-house hcv real-time rt-pcr ranged from 0....
background: recognition of helminth-derived pathogen associated molecular patterns (pamps) by pattern recognition receptors (prrs), including toll like receptors (tlrs) is the first step towards initiating anti–helminth immune responses. methods : using somatic antigens of ostertagia occidentalis, an important abomasal parasite of ruminants, the expression of ovine tlr2 and tlr4 in peripheral...
Six new mononuclear [FeIII(LBr,Cl)X]-complexes (LBr,Cl is the dianionic penta-N3O2-dentate Schiff base ligand N,N?-bis(2’-hydroxy-3-bromo-5-chlorobenzylidene)-1,6-diamino-3-azahexane; X: Cl?, N3?, NCO?, NCS?, NCSe?, CN?) were synthesized and their structures, magnetic electrochemical properties studied. Structure analysis measurements showed that [FeIII(LBr,Cl)CN] in low spin state other five c...
The formation constants of the species formed in the systems H+ + Mo(VI) + histidine and H+ +histidine have been determined at different aqueous solutions of methanol (0 - 45 % v/v) at 25 °C andconstant ionic strength (0.1 mol dm-3 sodium perchlorate), using a combination of spectrophotometricand potentiometric techniques. The composition of the complex species was determined by thecontinuous v...
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