Interfacial Chemistry in Solvent
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Synthesis of Zinc-Sulfate Nano Particles and Detection of Their Induction Time, Nucleation Rate and Interfacial Tension
The production of zinc sulfate is important both medically and agriculturally. If zinc sulfate is produced without agglomeration at the nanoscale, its absorption in the body is more and faster. In this research, the induction time parameter is assessed for nucleation of zinc sulfate nanoparticles at room temperature and various supersaturations using acetone (as anti-solve...
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Poor solvation of alkylthiols in a water-rich interfacial environment is shown to induce a dispersion of energetically-distinct states above a critical value of the hydrocarbon chain length, which depends on the hydrophilicity of the terminal group. Switching between single and dispersed states can be achieved by an adequate choice of the solvent composition.
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Dissolution of a solute molecule into a solvent necessitates the creation of a cavity devoid of solvent molecules. The cavity solvation free energy is exactly known at both very small and large length scales, but in between it can only be estimated by various approximations. Guided by simulation results for the solvation of small cavities and density functional theory, we analyze the size depen...
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Hierarchical systems that integrate nano- and macroscale structural elements can offer enhanced enzyme stability over traditional immobilization methods. Microparticles were synthesized using interfacial assembly of lipase B from Candida antarctica with (CLMP-N) and without (CLMP) nanoparticles around a cross-linked polymeric core, to characterize the influence of the hierarchical assembly on l...
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Full recovery of interfacial bond strength after complete fiber/matrix debonding is achieved with a microencapsulated solvent-based healing chemistry. The surface of a glass fiber is functionalized with microcapsules containing varying concentrations of reactive epoxy resin and ethyl phenylacetate (EPA) solvent. Microbond specimens consisting of a single fiber and a microdroplet of epoxy are te...
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تاریخ انتشار 2000