Sökning: "host-guest systems"

Visar resultat 1 - 5 av 11 avhandlingar innehållade orden host-guest systems.

  1. 1. NMR Investigations of Host-Guest Complexes and Their Dynamic Properties

    Detta är en avhandling från Stockholm : Institutionen för fysikalisk kemi, oorganisk kemi och strukturkemi

    Författare :Zdenek Tosner; Stockholms universitet.; [2005]
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; supramolecular chemistry; host-guest complexes; non-covalent interactions; nuclear magnetic resonance; molecular motion; C-13 relaxation; deuterium NMR; dipolar recoupling; NATURAL SCIENCES Chemistry Physical chemistry; NATURVETENSKAP Kemi Fysikalisk kemi;

    Sammanfattning : This thesis discusses several different methods offered by solution and solid state nuclear magnetic resonance for investigation of host-guest complexes and their constituents. The presented methods were used especially (but not exclusively) to address rotational dynamics of the bound guest in different molecular systems. LÄS MER

  2. 2. Host-Guest Interactions for Structural Analysis of Organic Molecules Development of new Tools for Stereochemical Characterization

    Detta är en avhandling från Uppsala : Acta Universitatis Upsaliensis

    Författare :Sandra Olsson; Uppsala universitet.; [2019]
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; metalloporphyrins; host-guest systems; bis-porphyrin tweezers; stiff stilbene macrocycles; organic synthesis; porphyrin binding studies; NMR; ECCD; Chemistry with specialization in Organic Chemistry; Kemi med inriktning mot organisk kemi;

    Sammanfattning : The focus of this thesis is on the development of molecular tweezers as host-guest systems for stereochemical characterization of small organic molecules.There are two central problems to stereochemical characterization of small molecules. LÄS MER

  3. 3. Light-Triggered Conformational Switches for Modulation of Molecular Recognition Applications for Peptidomimetics and Supramolecular Systems

    Detta är en avhandling från Uppsala : Acta Universitatis Upsaliensis

    Författare :Magnus Blom; Uppsala universitet.; [2015]
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; Bisporphyrin tweezers; peptidomimetics; host-guest systems; conformational analysis; supramolecular chemistry; photochemistry; Organisk kemi; Organic Chemistry; Kemi med inriktning mot organisk kemi; Chemistry with specialization in Organic Chemistry;

    Sammanfattning : The main focus of this thesis is on photochemical modulation of molecular recognition in various host-guest systems. This involves the design, synthesis and integration of light-triggered conformational switches into peptidomimetic guests and molecular tweezer hosts. LÄS MER

  4. 4. NMR Diffusion Studies of Association in Surfactant Systems Inclusion Complexes, Micellar Solutions and Microemulsions

    Detta är en avhandling från Lund University (Media-Tryck)

    Författare :Markus Nilsson; [2008]
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; host-guest complexation; gemini surfactant; cyclodextrin; bolaform surfactant; self-diffusion NMR; pluronic; bicontinuous microemulsion; polydispersity; boosting effect;

    Sammanfattning : The aim of this thesis has been to investigate self-diffusion behavior of host-guest complex, microemulsion and polymer solution. Pulsed Field Gradient NMR (PFG-NMR) was shown to provide detailed molecular information in all system studied. LÄS MER

  5. 5. Exploring Molecular Interactions Synthesis and Studies of Clip-Shaped Molecular Hosts

    Detta är en avhandling från Uppsala : Acta Universitatis Upsaliensis

    Författare :Anjaneya Prasad Polavarapu; Uppsala universitet.; [2007]
    Nyckelord :Organic chemistry; Glycoluril clips; host-guest systems; supramolecular chemistry; complexation induced shifts; conformational restriction; NMR spectroscopy; fullerene binding; Organisk kemi;

    Sammanfattning : Molecular recognition via noncovalent interactions plays a key role in many biological processes such as antigen-antibody interactions, protein folding, the bonding and catalytic transformation of substrates by enzymes, etc. Amongst these noncovalent interactions, electrostatic interactions, hydrogen bonding, π-π interactions, and metal-to-ligand bonding are the most prominent. LÄS MER