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  1. Article

    Open Access

    Use of PIXE/PIGE for sequential Ca and F measurements in root carious model

    The progress of caries has conventionally been evaluated by checking changes in mineral density using transverse microradiography (TMR). Recent advances have seen development of a new measurement system, using...

    K. Yagi, H. Yamamoto, R. Uemura, Y. Matsuda, K. Okuyama, T. Ishimoto in Scientific Reports (2017)

  2. Article

    Open Access

    UVA-activated riboflavin promotes collagen crosslinking to prevent root caries

    Root caries is an increasingly problem in aging societies with severe implications for the general health and wellbeing of large numbers of people. Strengthening type-I collagen, a major organic component of h...

    R. Uemura, J. Miura, T. Ishimoto, K. Yagi, Y. Matsuda, M. Shimizu in Scientific Reports (2019)

  3. Article

    Open Access

    Reduced marine phytoplankton sulphur emissions in the Southern Ocean during the past seven glacials

    Marine biogenic sulphur affects Earth’s radiation budget and may be an indicator of primary productivity in the Southern Ocean, which is closely related to atmospheric CO2 variability through the biological pump....

    K. Goto-Azuma, M. Hirabayashi, H. Motoyama, T. Miyake, T. Kuramoto in Nature Communications (2019)

  4. No Access

    Article

    Interglacial Antarctic–Southern Ocean climate decoupling due to moisture source area shifts

    Succession of cold glacials and warm interglacials during the Quaternary results from large global climate responses to variable orbital configurations, accompanied by fluctuating greenhouse gas concentrations...

    A. Landais, B. Stenni, V. Masson-Delmotte, J. Jouzel, A. Cauquoin in Nature Geoscience (2021)