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    Surface Science Blog You have only scratched the surface.

    Susanna Laurén

    Susanna Laurén

    Susanna is an Application Scientist at Biolin Scientific. In her PhD thesis, she developed fabrication methods for a new type of inorganic-organic polymers. Microfabricated polymer chips were utilized as tool for biomolecule separation in analytical chemistry.

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    > 2 min

    Work of adhesion - What is it and how to measure it?

    Work of adhesion is defined as a work required to separate two phases from each other.

    < 4 min

    Wenzel equation – How roughness is related to wettability?

    Wenzel equation states that adding surface roughness will enhance the wettability caused by the chemistry of the surface.

    > 5 min

    Wettability measurements to evaluate biocompatibility

    Interactions at the material surface is influenced by the wettability of the material. Wettability measurements are done to evaluate biocompatibility.

    ~ 3 min

    3 examples where adhesion is important

    Adhesion plays an important role in daily and industrial processes. Adhesion can be either wanted or unwanted.

    ~ 2 min

    Surface tension of artificial blood for medical face mask evaluation

    Surface tension of blood is an important characteristic when protective materials are being evaluated.

    < 5 min

    Brewster angle microscopy – A powerful tool for thin film visualization

    Brewster angle microscopy is a powerful tool for thin film visualization at air-water interface.

    ~ 4 min

    Biocompatibility: Biomaterial interaction with the biological surrounding

    Cell-biomaterial interactions are affected by the surface properties of the material such as surface chemistry, wettability and surface roughness.

    > 3 min

    Comparison of contact angle measurements on superhydrophobic surfaces

    Advancing and receding angles should be measured as the low contact angle hysteresis is also a requirement for superhydrophobicity.

    < 4 min

    Rheology: What is the difference between bulk and interfacial rheology?

    Rheology studies the flow and deformation of the fluid. Interfacial rheology studies the same for interfacial layers.

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