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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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    > 8 min

    7 ways to measure contact angle

    Due to a wide range of applications, the measurement of wettability, i.e., the contact angle measurement can be done with several different methods.

    ~ 4 min

    Why should you use the water contact angle measurement instead of the water break test?

    Water contact angle measurements can offer several advantages, such as better user independence and traceability, over the water break test.

    ~ 3 min

    What is a sessile drop method?

    The word sessile comes from the Latin word sessilis which could be translated as sitting. Sessile droplets can thus be considered as sitting droplet

    > 3 min

    Water contact angle measurements for surface treatment quality control

    Quality control is needed to detect any possible problems early on and contract angle measurement provides an excellent tool for that. 

    > 9 min

    Young equation – The man behind the contact angle history

    Thomas Young was a physician and his most remarkable discoveries are related to vision and light rather than the behavior of liquids on surfaces

    ~ 4 min

    Laser texturing for improved material properties

    Laser texturing has gained a lot of interest s due to its superior texturing accuracy, good controllability, and suitability for various materials.

    ~ 4 min

    What is surface free energy?

    Surface free energy can be considered as the surface tension of a solid. Surface free energy is calculated through the contact angle measurements. By knowing the surface free energy of the solid, one can predict the behavior of any liquid on the surface.

    > 5 min

    Wilhelmy plate method for contact angle measurement

    Wilhelmy plate method can be used to measure contact angle.

    > 5 min

    OWRK method – Owens, Wendt, Rabel and Kaelble model

    OWRK is one of the most used surface free energy theories. It divides the interfacial interactions into two parts; polar and dispersive.

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