Understanding Redox-Active, Iron-Rich Colloids Across Ecosystem Interfaces

John Bargar1, Maya Engel2, Kristin Boye3, Samuel W. Pierce4, Vincent Noel2, Juan Lezama-Pacheco5, Libor Kovarik6, Odeta Qafoku7, Ravi K Kukkadapu8, John B Cliff1, Weijiang Zhou9, Jon Chorover10 and J. Ray Runyon11, (1)Pacific Northwest National Laboratory, Environmental Molecular Sciences Laboratory, Richland, WA, United States, (2)SLAC National Accelerator Laboratory, Stanford Synchrotron Radiation Lightsource, Menlo Park, CA, United States, (3)SLAC National Acceleratory Laboratory, Stanford Synchrotron Radiation Lightsource, Menlo Park, CA, United States, (4)SLAC National Accelerator Laboratory, Menlo Park, CA, United States, (5)Stanford University, Los Altos Hills, CA, United States, (6)Pacific Northwest National Laboratory, Richland, WA, United States, (7)Battelle Pacific Northwest, Richland, WA, United States, (8)Pacific Northwest National Lab, Richland, WA, United States, (9)SLAC National Accelerator Laboratory, Division of CryoEM and Bioimaging, Menlo Park, United States, (10)University of Arizona, Environmental Science, Tucson, United States, (11)University of Arizona, Tucson, AZ, United States