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

Evaluation of functional coatings

More and more research interest is being put on functional coatings. New measurement techniques are required to evaluate them.

> 3 min

Wettability determines the adhesion of coatings

Coatings are typically evaluated by methods such as laboratory drawdown. Contact angle measurement can provide a more quantitative approach.

~ 2 min

Optimize the level of additives in coating formulation with surface tension measurements

A basic requirement of any coating is that it should form a uniform, defect-free surface. Surface and interfacial tensions play a key role in that.

< 3 min

How to measure contact angle hysteresis and roll-off angle by tilting method?

Contact angle hysteresis is often measured with so-called tilting cradle or plate method. The measurement can be done either manually or automatically.

< 6 min

Enhanced oil recovery: How to measure the wettability of carbonate reservoir core?

Most commonly used methods to study reservoir wettability are Amott-Harvey, USBM, and sessile drop contact angle.

> 2 min

Automated dynamic contact angle measurement with the needle method

Dynamic contact angle measurements with the needle method has been automated for reliable and repeatable results.

> 2 min

How to alter wettability in carbonate reservoir?

Carbonate reservoirs are characterized as intermediate to oil- wet. Altering the wettability of the carbonates has been proposed as one of the main mechanisms for enhanced oil recovery.

< 3 min

Graphene oxide for biosensors

Biosensing is a crucial part of human well-being as early detection of diseases requires highly sensitive and selective methods. New materials, such as graphene oxide, are evaluated for improved biosensor performance.

~ 2 min

3 examples of how to utilize high pressure tensiometer

Different enhanced oil recovery methods are used to alter the wettability of the reservoir rock. To study the wettability alteration at the reservoir conditions, an instrument where the measurements can be done at high pressures and temperatures are needed.

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