نتایج جستجو برای: t but ammonium iodide
تعداد نتایج: 2640063 فیلتر نتایج به سال:
A nove1 effect of ammonium ions on root growth was investigated to understand how environmental signals affect organ development. Ammonium ions (3-12 mM) were found to dramatically inhibit Arabidopsis thaliana seedling root growth in the absence of potassium even if nitrate was present. This inhibition could be reversed by including in the growth medium low levels (20-100 PM) of potassium or al...
Poly([stearyl methacrylate]-stat-[2-(dimethylamino) ethyl methacrylate]) was synthesised through radical polymerisation using 1,1-diphenyl ethylene (DPE) as a molecular weight controlling agent. The amino groups were further quaternised into a cationic form in order to increase water solubility. Solubility of the polymers in water and a mixed solvent was studied with rotational rheometry. The r...
Iodide (I(-))-accumulating bacteria were isolated from marine sediment by an autoradiographic method with radioactive (125)I(-). When they were grown in a liquid medium containing 0.1 microM iodide, 79 to 89% of the iodide was removed from the medium, and a corresponding amount of iodide was detected in the cells. Phylogenetic analysis based on 16S rRNA gene sequences indicated that iodide-accu...
An amine bisphenol ligand with an ammonium iodide group in the pendant arm (H2L) reacts V, Mo and U oxometal precursors to form oxovanadium(V), dioxomolybdenum(VI) dioxouranium(VI) species, respectively. In methanol solutions, vanadium(V) molybdenum(VI) 1:1 complexes [VO(OMe)(L)]I·2MeOH [MoO2(L)(H2O)]I·2MeOH, where cationic charge is counterbalanced by anion. Uranium(VI) forms a complex which a...
Interactions between halide ions (fluoride and iodide) and t-butyl alcohol (TBA) dissolved in water are probed using a recently developed hydration-shell spectroscopic technique and theoretical cluster and liquid calculations. High ignal-to-noise Raman spectroscopic measurements are combined with multivariate curve resolution (Raman-MCR) to reveal that while there is little interaction between ...
Sodium Iodide-131 is administrated for treatment of hyperthyroidism and thyroid cancer. Iodine-131 has multiple routs of excretion (Urine, saliva, sweat, milk, feces, exhalation) from the body. Patients receiving Sodium Iodide-131 therapy exposes other persons and the environment to unwanted radiation and contamination. The major source of radiation dose from administration of Iodine-131 ...
‘Lattice parameters determined from the synchrotron X-ray diffraction scans of the cubic 200 and tetragonal 220/004 Bragg peaks. Fits to the cubic lattice parameter (black solid line) and the average tetragonal lattice parameter (= 2atet + ctet)/3 (blue solid line), were used to determine the linear coefficients of thermal expansion of 1.95 × 10−4 K−1 (cubic) and 2.66 × 10−4 K−1 (tetragonal). T...
This work focuses on the characteristics of polymer blend electrolytes based on corn starch and chitosan doped with ammonium iodide (NH4I). The electrolytes were prepared using the solution cast method. A polymer blend comprising 80wt% starch and 20wt% chitosan was found to be the most amorphous blend and suitable to serve as the polymer host. Fourier transform infrared spectroscopy analysis pr...
Lactating breast tissue and some breast cancers express the sodium/iodide symporter (NIS) and concentrate iodide. We recently demonstrated that all-trans retinoic acid (tRA) induces both NIS gene expression and iodide accumulation in vitro in well-differentiated human breast cancer cells (MCF-7). In the present study, we investigated the in vivo efficacy and specificity of tRA-stimulated iodide...
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