Sökning: "ingemar lundström"
Hittade 5 avhandlingar innehållade orden ingemar lundström.
1. Organelle movement in melanophores: Effects of Panax ginseng, ginsenosides and quercetin
Sammanfattning : Panax ginseng is a traditional herb that has been used for over 2000 years to promote health and longevity. Active components of ginseng include ginsenosides, polysaccharides, flavonoids, polyacetylenes, peptides, vitamins, phenols and enzymes, of which the ginsenosides are considered to be the major bioactive constituents. LÄS MER
2. Optical Sensing With an Ordinary Mobile Phone
Sammanfattning : A major portion of the world’s population (≈ 80% of the total) lives in developing countries where lab instruments such as spectrophotometers are not widely available as their purchasing as well as maintenance is normally unaffordable. On the other hand, there are now around five billion mobile phone subscriptions worldwide and the current generation of standard mobile phones has several capabilities to perform user-defined analysis. LÄS MER
3. Optical devices and methods for distributed lab-on-a-chip analyses
Sammanfattning : Lab-on-a-chip (LOC) technologies entail the miniaturization of analytical systems, and the reduction of required sample and reagent volumes. LOC devices offer compact alternatives to classical instrumentation while delivering comparable performance and disposable formats. LÄS MER
4. Melanophores : cell biophysics and sensor applications
Sammanfattning : This thesis deals with studies of melanophores and melanosomes by means of a physical approach. Melanophores are pigment cells that give the black colour to many vertebrates, e.g. fishes, frogs, and reptiles. LÄS MER
5. Electric Fields for Surface Design and Chemical Analysis
Sammanfattning : This thesis deals with the use of electric fields for evaluation and control of chemical systems. An electric field can result in the flow of charge across an interface between a metal and a solution, by means of chemical reactions. This interplay between electricity and chemistry, i.e. LÄS MER