%0 Journal Article %T Visualization of elemental distributions and local analysis of element-specific chemical states of an Arachnoidiscus sp. frustule using soft X-ray spectromicroscopy %A Ishihara, Tomoko %A Ohkochi, Takuo %A Yamaguchi, Akinobu %A Kotani, Yoshinori %A Oura, Masaki %J PLoS ONE %V 15 %N 12 %D 2020-12-16 %I Public Library of Science %~ DeepDyve