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1,695 Newest Publications about the topic surface tension

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Formation and Growth of Micelles in Dilute Aqueous CTAB Solutions in the Presence of NaNO3 and NaClO3

22-Jan-2010 | Ketan Kuperkar, Ludmila Abezgauz, Kamlesh Prasad, P. Bahadur, Journal of Surfactants and Detergents, 2010

Self-assembly of cetyltrimethylammonium bromide (CTAB) in aqueous solution, in the presence of two inorganic salts viz, NaNO3 and NaClO3 was investigated by steady-state fluorescence, electrical conductance, surface tension, viscosity, dynamic light scattering (DLS) and cryogenic transmission ...

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Formation of nanoparticles in liquid phase processes

18-Jan-2010 | S. Sh. Rekhviashvili, E. V. Kishtikova, B. A. Rozenberg, Russian Journal of Physical Chemistry B, 2010

The thermodynamic and kinetic regularities of the formation of inorganic nanoparticles in solutions containing additives of highly adsorbable organic compounds were examined. The dependences of the surface tension on the nanoparticle size and surface coverage and of the size dependences of the ...

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Physicochemical and Rheological Characterization of Gum Tragacanth Exudates from Six Species of Iranian Astragalus

11-Jan-2010 | Sima Balaghi, Mohammad Amin Mohammadifar, Azizollaah Zargaraan, Food Biophysics, 2010

The flow behavior of six species of Iranian gum tragacanth dispersions was investigated at different temperatures and ionic strengths, within a concentration range (0.05–1.5% w/w) using a controlled shear rate rheometer. The steady shear measurements showed that all of the gum dispersions had ...

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Characterization of polystyrene‐b‐poly(ethylene oxide) diblock copolymer and investigation of its micellization behavior in water

01-Jan-2010 | Farzana Ahmad, Musa Kaleem Baloch, M. Jamil, Y.J. Jeon; Farzana Ahmad; Musa Kaleem Baloch; M. Jamil; Y.J. Jeon, Journal of Applied Polymer Science, 2010

The recent studies deal with a diblock copolymer, polystyrene-poly(ethylene oxide). Infrared spectroscopy, proton resonance spectroscopy (1H-NMR), and laser light scattering techniques have been used to characterize the polymer. It has been concluded that the sample investigated is diblock ...

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On the Calculation of Surface Tensions of n-Alkanes Using the Modified SAFT-BACK-DFT Approach

24-Dec-2009 | Ali Maghari, Mohsen Najafi, Journal of Solution Chemistry, 2009

Density functional theory is combined with the modified SAFT-BACK EOS to investigate liquid–vapor interfaces of n-alkanes. We evaluate the temperature dependence of the interfacial width and the surface tension. Differences in chain length of the alkanes lead to differences in the thermodynamic ...

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On Some Aspects of the Thermodynamic of Membrane Recycling Mediated by Fluid Phase Endocytosis: Evaluation of Published Data and Perspectives

15-Dec-2009 | Cyril Rauch, Alain Pluen, Neil Foster, Paul Loughna, Ali Mobasheri, Dominique Lagadic-Gossmann, Laurent Counillon, Cell Biochemistry and Biophysics, 2009

The theoretical and experimental description of fluid phase endocytosis (FPE) requires an asymmetry in phospholipid number between the two leaflets of the cell membrane, which provides the biomechanical torque needed to generate membrane budding. Although the motor force behind FPE is defined, ...

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Nucleation-fluctuation approach to determining the temperature dependence of the surface tension of metals

12-Dec-2009 | A. G. Cherevko, Colloid Journal, 2009

An analysis of nucleation processes that occur during a vapor-liquid phase transition and temperature fluctuations that take place in clusters of stable phases is employed to derive a semiempirical relation between the capillary and thermophysical characteristics of substances. The relation ...

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Some Imidazoline Derivatives as Corrosion Inhibitors

10-Dec-2009 | Ismail Abdelrhman Aiad, A. A. Hafiz, M. Y. El-Awady, A. O. Habib, Journal of Surfactants and Detergents, 2009

In this study, cationic surfactants having different alkyl chain lengths were prepared by amidation of lauric, myristic, palmitic, stearic, oleic acids with diethylene triamine. The products were quaternized using chloroacetic acid. The chemical structure of the prepared compounds was elucidated ...

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Synthesis, Characterization and Surface Activity of Hexadecyl o-Xylene Sulfonate Isomers

18-Nov-2009 | Guang-miao Qu, Wei Ding, Tao Yu, Jie-cheng Cheng, Journal of Surfactants and Detergents, 2009

This paper deals with the synthesis of a series of hexadecyl o-xylene sulfonate isomers (with the o-xylene ring located at different positions along the n-hexadecyl chain) by a Friedel–Crafts reaction, and the Grignard reaction followed by a hydrogenation. The structure was confirmed by 1H NMR. ...

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Synthesis, Characterization and Surface-Activity of a Polyoxyethylene Ether Trimeric Quaternary Ammonium Surfactant

18-Nov-2009 | Jiaoxia Zhang, Yaping Zheng, Peiying Yu, Lin He, Huining Wang, Rumin Wang, Journal of Surfactants and Detergents, 2009

A trimeric quaternary ammonium salt surfactant containing polyoxyethylene chains was synthesized from fatty alcohol polyoxyethylene ether, pentamethyldiethylenetriamine and thionyl chloride by a two-step process. Its chemical structure was characterized, and the surface activity in aqueous ...

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