نتایج جستجو برای: super paramagnetic iron
تعداد نتایج: 201114 فیلتر نتایج به سال:
The 3-coordinate 12 VE iron(II) benzyl complex [(nacnac)-Fe(CH2Ph)] reacts with B(C6F5)3 to yield a paramagnetic contact ion pair with an eta 2-(o,m)-[PhCH2B(C6F5)3] anion, which was characterised by X-ray diffraction.
in this work firstly fe3o4 nanoparticles were synthesized via a sono-chemical method. at the second step magnesium hydroxide shell was synthesized on the magnetite-core under ultrasonic waves. for preparation fe3o4-mgo the product was calcinated at 400 ºc for 2h. properties of the product were examined by x-ray diffraction pattern (xrd), scanning electron microscope (sem) and fourier transform ...
in this research nickel zinc ferrite nanoparticles with composition of ni1-xznxfe2o4 (where x=0, 0.3, 0.7, 1) were synthesized by a sol-gel method at 600 °c for 5 hours. the structure of nanoparticles was studied using x-ray diffraction pattern. the lattice parameter of ferrite nanoparticles was calculated and indicates lattice constant of nanoparticles depend on zinc concentration. the crystal...
Isolation and Characterization of Bound Iron-Sulfur Proteins from Bacterial Photosynthetic Membranes
In an investigation concerned with the solubilization and characterization of membrane-bound iron-sulfur proteins of photosynthetic bacteria, succinate dehydrogenase was solubilized from Rhodospirillum rubrum chromatophores by the detergent lauryl dimethylamine oxide (LDAO) or by an alkaline washing treatment. The LDAO-solubilized enzyme was purified by a combination of DEAE-cellulose and Sepha...
fe3o4 nanostructures were synthesized via a facile hydrothermal reaction. the effect of various surfactants such as cationic and anionic on the morphology of the product was investigated. magnetic nanoparticles were added to poly styrene (ps) for preparation of magnetic nanocomposite. nanostructures were then characterized using x-ray diffraction (xrd), scanning electron microscopy (sem) and fo...
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