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We prepared electroless deposited Ni-B alloy films treated with trimethylsiloxysilicate (TMSS) that showed superhydrophobicity. Hydrophilic electroless deposited Ni-B films were made to be superhydrophobic by immersing them into an ethanolic solution of TMSS and water. This treatment lowered the surface energy of the electroless deposited Ni-B alloy films because hydrophobic TMSS was immobilized on them. A small amount of coexisting water promoted this immobilization process. In addition, the electroless deposition time had significant influence on the wettability of Ni-B films because micro-and nanometre-sized roughness was developed with the prolonged electroless deposition time. The superhydrophobic Ni-B films continuously repelled running water, and superhydrophobicity was maintained after rubbing them with bare fingers.

ObjectiveTo determine the effectiveness of a web‐based educational program regarding local healthcare planning by public health nurses (PHNs) in Japan.DesignA single‐blind randomized controlled trial.SampleFull‐time PHNs working for local governments across Japan.MeasurementsThe primary outcome was nurses’ self‐perception of competencies in public health policy. The secondary outcome was self‐perception of knowledge, skills, and perspectives regarding local healthcare planning. We analyzed intergroup differences using the intention‐to‐treat principle and the Mann–Whitney U‐test.InterventionThe intervention group received six web‐based learning modules including substantial knowledge and skills regarding local healthcare planning based on the analysis, design, development, implementation, and evaluation model and adult learning theory.ResultsTotally, 273 PHNs registered, and 38 were excluded without completing the baseline survey; 235 were randomly allocated to either the intervention (n = 118) or control (n = 117) groups. Sixty‐four participants in the intervention group completed the program. Over 70% of the participants lacked opportunities to learn about local healthcare planning. The intervention group showed significant improvement in self‐perception of competencies, knowledge, and skills regarding local healthcare planning, except for items related to evaluation.ConclusionsThe web‐based learning program effectively improved participants’ self‐perception of competencies in local healthcare planning.