Sökning: "chemical probing"
Visar resultat 6 - 10 av 97 avhandlingar innehållade orden chemical probing.
6. Micro-galvanic effects and corrosion inhibition of copper-zinc alloys
Sammanfattning : With the advancement and accessibility of local probing techniques that can operate at the submicron scale it has become possible to analyse the local corrosion properties of industrially important metallic materials and relate these properties to microstructure characteristics of the same materials. In this doctoral study the focus has been on copper-zinc samples, both as industrial brass alloys and as micro-patterned copper-zinc samples. LÄS MER
7. Mass Transport Properties in Supramolecular Systems Studied by Diffusion and Relaxation NMR
Sammanfattning : This thesis shows how diffusion and relaxation NMR can be applied in various aspects to study mass transport in supramolecular systems. Information about these systems can be obtained, either by direct measurement of the molecules that are incorporated in a supramolecular structure, or via probe molecules, which indirectly gives information about the system. LÄS MER
8. Mechanistic studies of localized corrosion of Al alloys by high resolution in-situ and ex-situ probing techniques
Sammanfattning : A multi-analytical approach based on in-situ and ex-situ local probing techniques was employed to investigate localized corrosion mechanisms of some aluminum alloys in chloride containing solutions, focusing on the influence of intermetallic particles (IMPs) in the alloys. In the EN AW-3003 alloy, SEM-EDS analysis revealed constituent and dispersoid IMPs. LÄS MER
9. Going for gold : A spectroelectrochemical and catalytic study of gold materials
Sammanfattning : With the increase in demand for renewable energy, understanding chemical processes is essential for improving the design of catalysts in order to achieve better performance. This thesis summarises the experimental investigation of three types of catalytic gold materials: gold oxide formed from gold films, oxide-derived gold (OD-Au) produced from gold films, and gold nanoparticles supported on metal oxides. LÄS MER
10. On methods for probing structure and function of membrane proteins
Sammanfattning : The determination of structure–function relationships in membrane proteins plays a key role for the understanding of molecular mechanisms in biological systems, and may provide information on how these systems can be modulated by pharmaceuticals. The aim of the work described herein was to develop methods for studying structure and function of membrane proteins, ideally in combination. LÄS MER