Contact angle assessments were performed by a Kruss DSA25B goniometer, using the sessile drop technique and distilled water as solvent. The spreading of the water droplet on different PBI film surfaces was assessed by measuring the contact angle of the droplet with the surface (n = 3). Drop Shape Analysis 4 Software was used to take measurements every 5 s during 2 min.
Dsa25b goniometer
Manufactured by Krüss
Sourced in Germany
The DSA25B is a goniometer manufactured by Krüss. It is a scientific instrument used to measure the contact angle of liquids on solid surfaces. The goniometer provides precise and reliable measurements of the wetting properties of materials.
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Lab products found in correlation
4 protocols using dsa25b goniometer
1
Contact Angle Measurements of PBI Films
2
Measuring Contact Angle of PEDOT Films
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Contact angle measurements were performed through the sessile drop method using a Kruss DSA25B goniometer. A drop of distilled water was deposited on the surface of the various PEDOT cross-linked thin films (n = 3) and Drop Shape Analysis 4 software was used to take measurements every 5 s for 2 min.
3
Contact Angle of Electroconductive Nanofibers
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The contact angle of the electroconductive nanofibers was measured using the sessile drop method with distilled water (DSA25B Goniometer; Kruss, Hamburg, Germany). The left and right contact angles of the droplets with the surface of the scaffolds were determined, and the average value was computed. The acquisition rate used was 2 measurements per second. The contact angle was measured in 7 independent fiber samples ( ) for each individual experimental group, and snapshot pictures were taken at the end of each measurement.
4
Contact Angle of Piezoelectric Nanofibers
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The contact angle of the piezoelectric nanofibers was measured by a DSA25B goniometer (Kruss, Hamburg, Germany) using the sessile drop method: distilled water was used for producing the droplets. Droplet spreading on the surface of the different fibrous mats was evaluated by measuring the contact angle of the droplets with the surface. The right and left contact angles were determined, and the average value was computed. A 2 s−1 rate of acquisition was used. For each experimental group, the contact angle was imaged and measured in eight independent fiber samples ( ).
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