Dataset for: Partitioning of iron and plutonium in exopolymeric substances and intracellular biopolymers: a comparison study between the coccolithophore Emiliania huxleyi and the diatom Skeletonema costatum

This dataset contains laboratory incubation experiments conducted using the coccolithophore Emiliania huxleyi and the diatom Skeletonema costatum, in the presence of 59Fe and 238Pu as radiotracers, in order to differentiate Fe and Pu uptake by extracellular exopolymeric substances (EPS) and intracellular biopolymers. The dataset compared the Fe and Pu distributions in select organic compound classes including proteins, total carbohydrates (TCHO) and uronic acids (URA) produced by these two types of phytoplankton, and includes the percentage of 59Fe and 238Pu activity and amounts of organic components in terms of µM-C, as well as the ratio of proteins to total carbohydrates (TCHO) and the percentage of the uronic acid (URA) in the bulk total carbohydrates pool, in different biopolymer fractions of E. huxleyi cells. Protein abundance was measured through a modified Lowry protein assay, using bovine serum albumin (BSA) as the standard. URA concentrations were determined by the metahydroxyphenyl method using glucuronic acid as the standard. This dataset supports the publication: Santschi, P., Quigg, A., Schwehr, K., & Xu, C. (2019). Partitioning of iron and plutonium in exopolymeric substances and intracellular biopolymers: a comparison study between the coccolithophore Emiliania huxleyi and the diatom Skeletonema costatum. Biological and Chemical Oceanography Data Management Office. doi:10.1575/1912/bco-dmo.764480.1