نتایج جستجو برای: inverse co precipitation
تعداد نتایج: 476155 فیلتر نتایج به سال:
Glipizide has been found to form inclusion complexes with β-cyclodextrin (β-CD) in solution and in solid state. The present study was undertaken to determine a suitable method for scaling up glipizide-β-CD inclusion complex formation and to evaluate the effect of some parameters on the efficiency of complexation. The solid inclusion complexes of glipizide and β-CD were prepared at a molar...
Particulate air pollution has been suggested as the cause of the recently observed decreasing trends of 10 to 25% in the ratio between hilly and upwind lowland precipitation, downwind of urban and industrial areas. We quantified the dependence of this ratio of the orographic-precipitation enhancement factor on the amounts of aerosols composed mostly of pollution in the free troposphere, based o...
This study aimed to compare the phase changes and morphology of yttria-stabilized zirconium oxide powders (YSZ) synthesized by co-precipitation and molten salt methods. Ammonia precipitating agent was used for the synthesis of YSZ powder by co-precipitation method and a mixture of sodium carbonate and potassium carbonate salts was used as a molten salt in the molten salt method. Samples were ch...
Thermoluminecsence (TL) characteristics of pure CaSO4 nanoparticles produced by co-precipitation method are presented. The formation of the nanoparticles was confirmed by X-ray diffraction (XRD) and scanning electron microscope (SEM). TL glow curve of this phosphor, exposed to gamma radiation exhibits five overlapping glow peaks in the complex glow curve at 463, 470, 483, 498 and521(K) respecti...
oxide nanoparticles of fe-co-ni were prepared in six different compositions by co-precipitation method. the as-synthesized nanoparticles were characterized by x-ray diffraction (xrd), field emission scanning electron microscope (fesem), fourier transform infrared (ft-ir) and vibrating sample magnetometer (vsm). it was found that the nanoparticles had mean crystalline size of 30-55 nm and spher...
glipizide has been found to form inclusion complexes with β-cyclodextrin (β-cd) in solution and in solid state. the present study was undertaken to determine a suitable method for scaling up glipizide-β-cd inclusion complex formation and to evaluate the effect of some parameters on the efficiency of complexation. the solid inclusion complexes of glipizide and β-cd were prepared at a molar ratio...
morphology and UY sensitiyity, suggesting functional conseryation of 14-3-3 proteins between L. edodes and S. pombe. The interactien between L. edodes CAP and 14-3-3 protein was restricted to the IV-terminal domain of CAP and was confirmed by in vitro co-precipitation. Results from both the two-hybrid system and in vivo co-precipitation experiments showed the conservation of this interactien in...
Recent studies have demonstrated that metal-organic frameworks can be employed as protective coatings for enzymes. Two efficient strategies have been reported for the synthesis of such composite materials: biomimetic mineralisation and controlled co-precipitation using polyvinylpyrrolidone. We assessed the relative efficacy of each approach by comparing the thermal stability of encapsulated ure...
Abstract The comparison between NiFe 2 O 4 (co-precipitation) and @SiO (co-precipitation microemulsion) ferrite nanoparticles in their as-received annealed form is presented. structural characterization revealed the gradual crystallization of samples induced by thermal treatment. existence cubic inverse spinel structure with tetrahedral octahedral iron occupancy confirmed all comprehensive stud...
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