نتایج جستجو برای: molybdenum vi

تعداد نتایج: 56345  

Journal: : 2022

BACKGROUND: The expanding scope of molybdenum (VI) oxide (MoO3 NPs) nanoparticle application has increased the risk developing pathological disorders in exposed population due to negative effects this nanomaterial. As such, there is a need assess potential hazard MoO3 NPs human health.
 AIM: To determine degree danger nanoparticles for MATERIAL AND METHODS: was assessed accordance with MR ...

Covalent grafting of the nanoporous molecular sieve MCM-41 with 3- aminopropyl trimethoxysilane and acetyl acetone (acac) successively gave modified MCM-41 (acacAmpMCM-41). Reaction of the resulted material with glycine afforded the corresponding supported glycine Schiff base ligand and subsequent reaction with [bis(acetylacetonato)dioxomolybdenum(VI)] was lead to molybdenum complex suppor...

Journal: :journal of nanostructures 2012
m. masteri-farahani

covalent grafting of the nanoporous molecular sieve mcm-41 with 3-aminopropyl trimethoxysilane and acetyl acetone (acac) successively gave modified mcm-41 (acacampmcm-41). reaction of the resulted material with glycine afforded the corresponding supported glycine schiff base ligand and subsequent reaction with [bis(acetylacetonato)dioxomolybdenum(vi)] was lead to molybdenum complex supported on...

For the first time, dioxomolybdenum(VI) complex with the general formula [MoO2L2] containing a N-O bidentate ligands (HL=2-(o-aminophenyl)- benzimidazole) has been used for the oxidation of sulfides. Elemental analyses (carbon, hydrogen, nitrogen), FT-IR and Uv-Visble spectra and 1HNMR analysis agree well with the proposed stoicheiometry of the complex [MoO...

Journal: :iranian journal of radiation research 0
s.a. memon nuclear institute of medicine and radiotherapy (nimra) jamshoro, pakistan n.a. laghari nuclear institute of medicine and radiotherapy (nimra) jamshoro, pakistan s.t. qureshi university of sindh, jamshoro, pakistan f. mehdi nuclear institute of medicine and radiotherapy (nimra) jamshoro, pakistan

background: technetium-99m radioisotope is the backbone of any nuclear medicine institute. this radioisotope is acquired by the elution of molybdenum-99/technetium-99m generator which emits 141 kev gamma ray and having 6.04 hour half-life. occasionally the contents of molybdenum-99 may mix up with elute, which may affect image quality and patients may receive higher doses than recommended. this...

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