Search for dissertations about: "Aqueous Solutions"

Showing result 21 - 25 of 255 swedish dissertations containing the words Aqueous Solutions.

  2. 21. Surface reactivity, stability, and mobility of metal nanoparticles in aqueous solutions : Influence of natural organic matter and implications on particle dispersion preparation

    Author : Sulena Pradhan; Inger Odnevall Wallinder; Jonas Hedberg; Eva Blomberg; Emma Strömberg; Kerstin Forsberg; KTH; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; Nanoparticles; freshwater; di-hydroxybenzoic acid; humic acid; copper; aluminium; manganese; dissolution; agglomeration; stability; complexation; Kemi; Chemistry;

    Abstract : The growing development of nanotechnology has resulted in an increased use of nanoparticles (NPs) in various applications ranging from medicine, military, to daily consumer products. There is a concern that NPs can be dispersed into the environment in various ways, for example to air and water during manufacture, use, incineration or recycling of products and thus pose a risk to health and the environment. READ MORE

  4. 22. Functionalized nanomaterials for the removal of chromium (VI) from aqueous solutions

    Author : Terrance Burks; Mamoun Muhammed; Kastriot Spahiu; KTH; []
    Keywords : adsorption; chromium VI ; extractant; nanofiber; superparamagnetic iron oxide nanoparticle SPION ;

    Abstract : .... READ MORE

  5. 23. The Role of Molecular Heterogeneity in the Structural Dynamics of Aqueous Solutions

    Author : Sharon Berkowicz; Fivos Perakis; Anders Hedqvist; Stockholms universitet; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; NATURVETENSKAP; NATURAL SCIENCES; kemisk fysik; Chemical Physics;

    Abstract : Aqueous solutions constitute the basis of life, yet their complex and anomalous nature is far from well-understood. Transient molecular ordering gives rise to microscopic spatial liquid heterogeneities and fluctuations which are believed to play a key role in biochemical processes as well as in pure water, the latter of which could fundamentally alter our view on water as life's solvent. READ MORE

  6. 24. NMR Diffusion Studies in Heterogeneous Systems. Surfactant solutions, Polymer solutions and Gels

    Author : Magnus Nydén; Fysikalisk kemi; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; Physical chemistry; pfg nmr; polydispersity ehec ddas; polymer surfactant self-diffusion self-association heterogeneous media; Fysikalisk kemi;

    Abstract : The aim of this study has been to investigate the self-diffusion behaviour in polymer solutions and in surfactant solutions using the pulsed field gradient (PFG) NMR technique. The NMR self-diffusion experiment was shown to provide detailed information in complex surfactant mixtures. READ MORE

  7. 25. Computer simulation of topological and spatial structure in water and aqueous solutions

    Author : Dan Bergman; Ruth M. Lynden-Bell; Stockholms universitet; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; Physical Chemistry; fysikalisk kemi;

    Abstract : The present thesis concerns molecular-dynamics and expanded-ensemble simulation of topological and spatial structure in water and aqueous solutions.First, methods for analysis of molecular pair configurations using angularly resolved density distributions were considered. READ MORE