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The adsorption of DNA by an andosol was much greater than that by a fluvisol or acrisol. The decrease in soil organic matter on treatment with hydrogen peroxide (H2O2) little affected DNA adsorption per weight of the particles, implying that the organic matter is not involved in the adsorption. The acid oxalate treatment of the H2O2-treated soils decreased DNA adsorption. Among soil constituents, acid oxalate-extractable materials such as allophane and noncrystalline Al and Fe oxides are likely to make a major contribution to the adsorption of DNA.

AimNurses are expected to have a role in the transition of care from pediatric to adult medical practices for adolescents and young adults with childhood‐onset chronic diseases. This study compares the experience, knowledge, and perceptions regarding the ideal care among adult unit and pediatric nurses regarding the transition to adult care for those with childhood‐onset chronic diseases.MethodsA cross‐sectional study using self‐report questionnaires was conducted with nurses in a tertiary hospital in Tokyo. Questions were generated based on a literature review and expert discussion. Data from 1,064 participants were analyzed (adult unit nurses: n = 959, 90.1%; pediatric nurses: n = 105, 9.9%).ResultsAmong 623 adult unit nurses who had care experience for adult patients with a childhood‐onset chronic disease, 458 nurses (73.6%) were unaware of the concept of transitional care. As the obstructive factors for transition, pediatric nurses recognized problems in healthcare providers' attitudes and lack of transitional care coordinators, while the adult unit nurses emphasized the patients' wishes to continue to receive pediatric healthcare. Most adult unit nurses expected pediatric nurses to function as transitional care coordinators.ConclusionAdult unit and pediatric nurses had different perceptions of the barriers in transitioning children with chronic diseases to adult care. It is important to have educational programs focusing on transitional care for all nurses, both to enable pediatric nurses to improve transition readiness of children with chronic diseases and to offer adult patients with a childhood‐onset chronic disease continuing support through adult unit nurses.