Contact angle measurement is a technique used to determine the wettability of a surface by measuring the angle formed at the interface between a liquid droplet and a solid surface. This angle provides insight into the surface energy and hydrophilicity or hydrophobicity of materials, which is crucial for understanding material interactions in various applications, including biomaterials and coatings. The measurement can indicate how modifications to a surface influence its properties, making it an essential tool in both material characterization and surface functionalization efforts.
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