Aqueous solution
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ASYMMENTRIC TRANSFER HYDROGENATION IN AQUEOUS SOLUTION CATALYZED BY RHODIUM COMPLEXES WITH C2-SYMMETRIC FLOURENCE-LIGANS CONTAINING CHIRAL (1R, 2R)-CYCLOHEXANE-1, 2-DIAMINE
... stirred solution of fluorene ...saturated aqueous solution of NaCl (30 mL) containing NaOH ...saturated solution of NaCl (3 × 30 mL), filtered and dried overnight at 60 °C to give sodium ...
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Carbon nanostructured adsorbents for the removal of toxic metals from aqueous solution
... 53 (Duclaux, 2002; Hirsch, 2002; Dyke and Tour, 2004; Tasis et al., 2006; Wang et al., 2009). Attempts to explore potential adsorption applications of modified carbon nanotubes have rendered promising results; different ...
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Potential drug delivery system: study of the association of a model nitroimidazole drug with aggregates of amphiphilic polymers on aqueous solution
... liter of solution. These results are not very different from those observed in the adsorption of PAHs in PVP solutions. Thus, it is conceivable that the retention mechanism of the substrate hexyl-NIM by PMAVP ...
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Synthesis, thermal behavior, and aggregation in aqueous solution of poly(methyl methacrylate) b poly(2 hydroxyethyl methacrylate)
... The thermal properties of these polymers were investigated by differential scanning calorimetry DSC and thermogravimetric analysis TGA. The glass transition temperature of mono halogenated PMMA increases from 116 ºC to ...
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Radiation Chemical Studies of Methionine in Aqueous Solution: Understanding the Role of Molecular Oxygen
... (25). Mixtures of gases were obtained by an appropriate mixing, controlled by flow meter. The gas stream was obtained by a line connected with a needle inserted in the vessel, and the flow was adjusted to get a ...
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Catalytic ozonation of pharmaceuticals in aqueous solution
... For a solid to disclose any catalytic activity, the adsorption of ozone, the organic molecule or both must take place on its surface. Langmuir- Hinshelwood mechanisms are based on the simultaneous adsorption of ozone and ...
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Chromium(VI) removal from aqueous solution by magnetite coated by a polymeric ionic liquid based adsorbent
... Sorbents based on iron oxide particles have been used for this purpose in the past few years. In all cases, the magnetic particles’ surfaces have been modified with functional polymers in order to avoid air oxidation and ...
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Simultaneous adsorption of Pb(Ii)-Cd(Ii), Pb(Ii)-phenol, and Cd(Ii)-phenol by activated carbon cloth in aqueous solution
... There are many reported methodologies for the removal of heavy metals from water, such as precipitation (Feng et al. 2000 ; Matlock et al. 2002 ), coagulationflocculation (Charerntanyarak 1999 ), and membrane process ...
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Potential drug delivery system: study of the association of a model nitroimidazole drug with aggregates of amphiphilic polymers on aqueous solution
... This study aimed to conduct a survey on the profile of patents involving cosmetic applications containing plant extracts, based on information collected from different patent databases, [r] ...
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Chemical speciation of MeHg+ and Hg2+ in aqueous solution and HEK cells nuclei by means of DNA interacting fluorogenic probes
... In summary, we have prepared new uorogenic probes that interact in different ways with two closely related cations of high environmental concern, Hg 2+ and MeHg + . The chemical probes were used for the chemical ...
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Determination of isoquinoline alkaloids in extracts of Chelidonium majus L. using emulsion liquid membrane extraction and GC/MS
... An available and reliable method based on ELM combined with GC/MS was developed for the extraction of alkaloids from C. majus. The operational conditions here for an excel- lent stability of the W/O emulsion prepared ...
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![Second Harmonic signal detection on Poly [μ2 L alanine μ3 nitratosodium (I)] crystals](https://data02.123doks.com/thumbv2/123dok_es/000/394/394641/cover.webp)
Second Harmonic signal detection on Poly [μ2 L alanine μ3 nitratosodium (I)] crystals
... The reported structure NaNO3C3H7NO2 was obtained unintentionally as the product of an attempted reaction of sodium molybdate in aqueous solution and the amino acid L-alanine, in order to[r] ...
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Comparative exergy analysis of direct alcohol fuel cells using fuel mixtures
... With this model, there is a methanol/ethanol molar proportion, near 30/70%, for which the aqueous solution of alcohols mixture: (a) behaves as an aqueous solution of a unique alcohol,[r] ...
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16602894
... from aqueous solution, indicating that the zirconia layer does not cover well the whole substrate or is extremely thin at certain ...alcoholic solution, no Al signal is ...to aqueous precursor ...
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Application of conducting polymers in nanobiotechnology
... The interaction between poly(3,4-ethylenedioxythiophene), a CP with excellent electrical and electrochemical properties, and plasmid DNA has been investigated using electrophoresis, UV-visible and CD spectroscopy, and ...
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Bridged 2,2' biazole derivatives by 1,3 dipolar cycloaddition
... 0.8 mmol and an aqueous solution of potassium carbonate 50%, 6 mi and the reaction mixture was stirred at room temperature extracted.. Then the organic phase was separated, and the aqueo[r] ...
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Nanoparticles of hydroxyapatite: preparation, characterization and cellular approach - An Overview
... The biomimetic process is inspired in the bio- mineralization of bone, which involves the depo- sition of apatitic crystals on a matrix rich in colla- gen fibrils, which are the structural macromolecules that create the ...
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Heterogeneous photo-Fenton degradation of phenolic aqueous solutions
... Iron-containing SBA-15 catalyst consisting of crystalline hematite particle oxides supported onto a mesostructured silica matrix has been shown as a promising catalyst for the treatment of phenolic solutions through ...
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Dissolution and regeneration of cellulose from different sources in an NaOH/urea aqueous system
... an aqueous solution of NaOH/urea is based on the formation of hydrates NaOH, urea hydrates and free water when the solvent was cooled; NaOH hydrates at low temperatures can form hydrogen bonds with the ...
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16639042
... The procedure for activating the surface of the silver electrode and the experimental equipment employed in recording the SERS have been explained elsewhere [5±7]. The electrode potentials have been controlled with a PAR ...
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