نتایج جستجو برای: polyvinylpyrrolidone k 30
تعداد نتایج: 869245 فیلتر نتایج به سال:
Current research has been done to develop statistically and optimized immediate release tablets for eslicarbazepine. Nineteen formulations of eslicarbazepine acetate are prepared by wet granulation. The three-dimensional Box-Behnken design at three levels (33) was developed study how selected independent variables affect dependent responses. After the initial test, items were as follows; polyvi...
Intravenous infusion of 500 ml of 6% polyvinylpyrrolidone (PVP, average molecular weight 40,000) in isotonic saline solution daily for 2 days induced prompt and significant reductions in serum cholesterol and triglyceride concentrations in eight hyperlipidemic patients. Mean maximal decrements in serum cholesterol and triglyceride were 29% and 28% below control values, respectively, occurring 5...
Abstract This work focuses on the improvement of electrospinnability low-sulfonate lignin (LSL)/polyvinylpyrrolidone (PVP) solutions by addition surfactants (SDS, CTAB and Tween-20) as well ability resulting nanofibers to structure castor oil. Solutions with two LSL/PVP weight ratios (70:30 90:10) in DMF were prepared adding variable surfactant concentrations (0–1 wt.%), physicochemically chara...
The structure, optical and magneto-optical properties of colloidal solutions iron oxide nanoparticles obtained by pulsed ablation in distilled water, both without additives with various functional additives: gold-hydrochloric acid, silicon oxide, polyvinylpyrrolidone, have been studied. It is shown that the main magnetic phase magnetite Fe 3 O 4 . size distribution degree their agglomeration de...
This communication describes a new method to achieve reversible light-induced chemical composition and phase structural transitions from polyvinylpyrrolidone-capped orthorhombic CsPbBr3 to tetragonal CsPb2Br5 nanosheets or vice versa. This work will deepen our understanding of the controlled synthesis, post-processing, and decomposition pathway of cesium lead halide perovskite nanocrystals.
We communicate an unconventional synthesis of Au nanoplates with high yield and excellent reproducibility through polyvinylpyrrolidone (PVP)-assisted H2O2 reduction. Unlike the ones prepared using halide-based surfactants, the PVP-capped Au nanoplates are found to afford fairly easy bio-functionalization, suggesting a vastly expanded spectrum of applications in bio-related fields.
Recently, the nanotechnology industry has seen a growing interest in integrating silver nanoparticles (AgNPs) into agricultural products, which increases soil exposure to these particles. This demands an investigation effect of AgNPs on health. Changes enzyme activities upon can serve as early indicators any adverse effects that particles may have quality. study aimed determine AgNP size, conce...
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