The wettability changes of the surfaces were characterized by measuring the contact angle of water sessile droplets deposited on the sample. Advancing and receding water contact angles were determined using a Drop Shape Analysis System DSA10 provided by Krüss (Hamburg, Germany). Standard deviations were calculated using three measurements and the error bars shown on the graphs correspond to the 95% confidence intervals.
Drop shape analysis system dsa 10
Manufactured by Krüss
Sourced in Germany
The Drop Shape Analysis System DSA 10 is a precise instrument for measuring the contact angle, surface tension, and other wetting properties of liquids on solid surfaces. It provides accurate and reproducible measurements using advanced optical and software technologies.
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Lab products found in correlation
4 protocols using drop shape analysis system dsa 10
1
Surface Wettability Characterization
2
Surface Roughness and Hydrophilicity of Ti
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Based on the different tests, the specimens were divided into four groups: (1) BBF/PLLA-MAO-Ti, with BBF-PLLA-NPs cross-linked with gelatin on MAO-Ti; (2) PLLA-MAO-Ti, with PLLA-NPs cross-linked with gelatin on MAO-Ti; (3) MAO-Ti; and (4) polished cp-Ti.
Four roughness parameters were selected to depict the surface roughness: average roughness (Ra), range of the roughness (Rt), peak-to-valley roughness (Rz), and peak-to-mean-height roughness (Rp), by surface profilometer (TR240; TIME Group, People’s Republic of China). Surface hydrophilicity was evaluated by measuring the water contact angle, using a sessile drop method on the Drop Shape Analysis System DSA 10 (Kruss, Hamburg, Germany) and using deionized water at room temperature. The measurements were repeated at nine different sites for each specimen.
Four roughness parameters were selected to depict the surface roughness: average roughness (Ra), range of the roughness (Rt), peak-to-valley roughness (Rz), and peak-to-mean-height roughness (Rp), by surface profilometer (TR240; TIME Group, People’s Republic of China). Surface hydrophilicity was evaluated by measuring the water contact angle, using a sessile drop method on the Drop Shape Analysis System DSA 10 (Kruss, Hamburg, Germany) and using deionized water at room temperature. The measurements were repeated at nine different sites for each specimen.
3
Electrospun Nanofiber Hydrophobicity
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The hydrophobicity of the electrospun nanofibers was examined by a water contact angle analysis (Drop Shape Analysis system, DSA10, Kruss GmbH, Hamburg, Germany). Water drops were added to 4 points per sample, and their contact angles were presented as averages with standard deviations.
4
Static Water Contact Angle Analysis
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Static contact angle analyses were performed with a CAM 200 KSV instrument (KSV Instruments, Finland), using the software Drop Shape Analysis System DSA 10 (V2.0-02, KRUSS GmbH, Germany). Distilled water drops (3 μL) were used for each analysis, repeated at least three times per sample. Results were expressed as mean ± standard deviation.
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