نتایج جستجو برای: vv solvent comparing to acetone procedure moreover
تعداد نتایج: 10722938 فیلتر نتایج به سال:
Light-responsive three-dimensional microstructures composed of azobenzene-based palladium complexes.
We describe not only fleeting assembly of photoisomerizable azobenzene-based palladium complexes into microstructured crystalline architectures but also their light-responsive functions. A transformation in the crystalline morphology from two-dimensional (2D) parallelogram-like sheets to three-dimensional (3D) cuboid- or rhombus-like structures was achieved by changing the solvent from tetrahyd...
Gravimetric fat data were obtained for a wide range of dairy products with fat contents ranging from 0.5 to 83% using pressurized solvent extraction at elevated temperatures and pressure (80-120 degrees C; 10.3 MPa). Extraction performance was sensitive to solvent composition, temperature, and sample matrix. By optimizing solvent mixtures, sample-solvent contact times of 8-10 min were sufficien...
Objective: To investigate the difference of chemical bonds between urethane dimethacrylate (UDMA) bonding agents with ethanol solvent and acetone on dentin collagen. Material Methods: This experimental comparison study used three groups: G1 (Control): UDMA collagen; G2: UDMA, collagen ethanol; G3: acetone. The groups were then pelleted analysed FTIR, peak value carbonyl absorption band from eac...
This study evaluated exposures among vehicle repair technicians to hexane, acetone, toluene, and total volatile organic compounds (VOCs). On randomly selected workdays, we observed a characteristic pattern of solvent use among 36 technicians employed in 10 repair shops, each of which used an aerosol solvent product. We obtained quantitative exposure measurements from a subset of nine technician...
Background & Aim: Salvia officinalis is known as a traditional medicine for several diseases in countries like Lebanon, Syria, Jordan, etc. In addition, S. officinalis has been subjected to several studies in a try to specify its medicinal effects. This study aims to evaluate the antimicrobial activity of this plant. The aim of the present research was to study antibacterial e...
Background & Aim: Salvia officinalis is known as a traditional medicine for several diseases in countries like Lebanon, Syria, Jordan, etc. In addition, S. officinalis has been subjected to several studies in a try to specify its medicinal effects. This study aims to evaluate the antimicrobial activity of this plant. The aim of the present research was to study antibacterial e...
In cross-coupling of biomass-derived acetone and alcohols contributing to the production carbon-elongated chemicals fuels, essential catalyst components are metal dispersion for alcohol dehydrogenation and, more importantly, basicity carbon–carbon coupling. Herein, we report potential co-precipitated praseodymia–zirconia solid solution (Pr2Zr2O7) as a support Cu conversion butanol into C7 C11 p...
Introduction: Effect of drying time and temperature of solvent evaporation were different in different studies. Therefore, the aim of this study was to investigate the appropriate drying temperature and time of solvent evaporation in the two adhesives of Etch and Rinse. Methods: Seventy-two sound third molars were collected. On the buccal surface of the crown, flat dentinal surfaces were crea...
Solvent-based separation method is presumably an efficient and environmentally beneficial approach for elimination of brominated flame retardants (BFRs) from waste electrical and electronic equipment (WEEE). The overall goal of this study was to evaluate possible effects of organic solvent on the behavior of BFRs during solvent-based processing of WEEE. We initiated a set of batch experiments f...
conclusions in this study, we isolated b. licheniformis producing an organic solvent-stable protease from oil-contaminated soil. the protease was stable and active in various organic solvents. by purification, the protease could be used as a biocatalyst for organic solvent-based enzymatic synthesis. results according to 16srdna sequencing, strain isa9 was identified as a new strain of bacillus ...
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