# Partitioning of iron and plutonium in exopolymeric substances and intracellular biopolymers: a comparison study between the coccolithophore Emiliania huxleyi and the diatom Skeletonema costatum # PI: Peter H. Santschi # Version: 2019-04-08 ========================= type Biopolymer_fraction Cell_type Fe59_act_pcnt Pu238_act_pcnt Protein TCHO URA Protein_C_TCHO_C pcnt_URA_TCHO ------------------------- Extracellular_biopolymer NAEPS S_Costatum 41.6+/-14.4 33.8+/-1.3 115 17.7 7.3 6.5 41 Extracellular_biopolymer AEPS S_Costatum 31.0+/-7.1 14.8+/-1.3 42.1 5.4 2.4 7.8 45 Frustule Silica_frustule S_Costatum 4.1+/-0.1 6.2+/-1.0 na na na na na Frustule Frustule-related_biopolymer S_Costatum bdl 12.1+/-8.1 6.8 17.1 2.9 0.4 17 Intracellular_biopolymer SDS-extractable S_Costatum 0.8+/-0.1 10.1+/-2.9 95.8 17.1 3.3 5.6 19 Intracellular_biopolymer EDTA-extractable S_Costatum 22.5+/-1.0 23.0+/-1.8 133 38.2 12.6 3.5 33 Extracellular_biopolymer NAEPS E_Huxleyi 97.1+/-11.2 97.9+/-6.8 23.7 25.7 38.2 0.9 100 Extracellular_biopolymer AEPS E_Huxleyi 1.1+/-0.1 1.2+/-0.1 34.4 5.8 1.3 5.9 22 Coccosphere Biogenic_calcite E_Huxleyi 0.2+/-0.0 bdl na na na na na Coccosphere Coccosphere-related_biopolymer E_Huxleyi 0.1+/-0.0 bdl bdl 1.3 0.2 0 13 Intracellular_biopolymer SDS-extractable E_Huxleyi 1.5+/-0.5 0.5+/-0.0 54.7 12.6 3 4.3 24 Intracellular_biopolymer Metabolitic_biopolymer E_Huxleyi bdl 0.1+/-0.0 6.2 1 0.3 6.2 28