نتایج جستجو برای: magnesium catalysts formation
تعداد نتایج: 591834 فیلتر نتایج به سال:
OBJECTIVE We previously reported that more than 60% of synovial mesenchymal stem cells (MSCs) placed on osteochondral defects adhered to the defect within 10 min and promoted cartilage regeneration. The efficiency of adherence is considered to depend on the interaction between cells and extracellular matrix (ECM), in which integrins may play some important roles. Divalent cations such as calciu...
background: the purpose of this study was to investigate the effects of the combination of vitex agnus castus extract, as a source of phytoestrogens, plus magnesium supplementation on osteogenic and angiogenic factors and callus formation in women with long bone fracture. material and methods: in a double-blind randomized placebo controlled trial, 64 women with long bone fracture,20-45 years ol...
Through a synergetic combination of anion photoelectron spectroscopy and density functional theory based calculations, we have investigated the extent to which the aluminum moieties within selected magnesium-aluminum clusters are Zintl anions. Magnesium-aluminum cluster anions were generated in a pulsed arc discharge source. After mass selection, photoelectron spectra of MgmAln (-) (m, n = 1,6;...
The interaction between HCOOH and TiO2-supported Pt catalysts was investigated at 300–473 K. The formation of surface species was studied by FTIR and the simultaneous monitoring of the gas phase revealed the formation of the products during the interaction. Besides the dissociative adsorption of HCOOH and the derivatives of this process, the formation of formaldehyde both in the adsorbed layer ...
From the analysis of various urinary constituents and the estimation of serum parameters, it is now possible to identify the risk factors responsible for or contributing for stone formation metabolic factor included calcium, oxalate, uric acid, citrate and pH. Environmental factors where total volume, sodium, phosphate and magnesium. Urinary citrate and magnesium found to be lower in stone form...
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