~ 3 min

What is a wetting agent and where are they used?

A wetting agent is a surface-active molecule used to reduce the surface tension of water.

< 5 min

How surface roughness and wettability affects biocompatibility

The effect of Surface roughness and wettability on biocompatibility of biomaterials and Medical devices.

> 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.

> 3 min

Demulsification of oil-water emulsions

Demulsification is a process where emulsions are broken down, most typically by the addition of chemicals.

> 3 min

How emulsions form and break?

Emulsions are dispersed systems of two immiscible liquids such as oil and water. Interfacial rheology measurements predict emulsion stability.

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