Surface Science Blog | Susanna Laurén (9)

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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< 4 min

History of Langmuir and Langmuir-Blodgett films

90th annive

thin film

< 4 min

How to utilize contact angles in surface characterization: Receding contact angle

Receding contact angle is the lowest possible contact angle on a given surface. Receding angle is measured on previously wetted surface.

Dynamic contact angle

~ 4 min

How to utilize contact angles in surface characterization: Advancing contact angle

Advancing contact angle is the highest possible contact angle measured on a previously unwetted solid surface.

Contact Angle

> 4 min

How to utilize contact angles in surface characterization: Roughness corrected contact angle

Roughness corrected contact angle, is an angle where the effect of surface roughness is taken away.

Contact Angle

~ 5 min

How to utilize contact angles in surface characterization: Static contact angles

Instead, one can measure static contact angles, advancing and receding contact angles, and roughness corrected contact angles.

Contact Angle

< 6 min

Comparison of interfacial shear rheology measurement methods

In this blog post, the most common interfacial shear rheology methods are reviewed.

Interfacial rheology

> 3 min

How to calculate the surface tension components of a liquid?

The method to calculate the surface tension component is defined in ISO 19403-5:2017 standard.

Surface tension

~ 3 min

What is the difference between dilatational and shear interfacial rheology?

Interfacial rheology studies the response of the interfacial layer to the external stimuli at air-liquid or liquid-liquid interfaces.

Interfacial rheology

~ 5 min

ISR Flip – The Next Generation Interfacial Shear Rheometer to Study Viscoelastic Properties of Thin Films

Interfacial shear rheology at the gas-liquid or liquid-liquid interface is relevant in a wide range of applications where foams and emulsions are used.

Interfacial rheology