# Percent amount of organic fractions from diatoms that bind with radionuclides # PI: Peter H. Santschi # Version: 2019-04-11 ========================= substance Protein TCHO URA ------------------------- NAEPS 32.4 32.1 10.5 AEPS 8.1 5.2 2.9 Frustule 3.2 17.7 19.5 EDTA 22.9 36.4 11.5 SDS 33.4 8.6 55.7