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The University of Tennessee

3 ARTICLES PUBLISHED IN JoVE

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JoVE Journal

Sulfate Separation by Selective Crystallization with a Bis-iminoguanidinium Ligand
Charles A. Seipp 1,2, Neil J. Williams 1,3, Radu Custelcean 1
1Chemical Sciences Division, Oak Ridge National Laboratory, 2Department of Chemistry, The University of Texas at Austin, 3Department of Chemistry, The University of Tennessee

A protocol for in situ aqueous synthesis of a bis(iminoguanidinium) ligand and its utilization in selective separation of sulfate is presented.

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Biology

Neutron Radiography and Computed Tomography of Biological Systems at the Oak Ridge National Laboratory's High Flux Isotope Reactor
Hassina Z. Bilheux *1, Maria Cekanova *2,3,4, Jeffrey M. Warren *5, Matthew J. Meagher 6, Ryan D. Ross 6, Jean C. Bilheux 1,7, Singanallur Venkatakrishnan 8, Jiao Y.Y. Lin 1,9, Yuxuan Zhang 1, Matthew R. Pearson 9,10, Erik Stringfellow 1
1Neutron Scattering Division, Oak Ridge National Laboratory, 2College of Veterinary Medicine, The University of Tennessee, 3UT-ORNL Graduate School of Genome, Science and Technology, The University of Tennessee, 4Integrity Laboratories, 5Environmental Sciences Division, Oak Ridge National Laboratory, 6Department of Cell & Molecular Medicine, Rush Medical College, Rush University, 7Computer Science and Mathematics Division, Oak Ridge National Laboratory, 8Electrification and Energy Infrastructures Division, Oak Ridge National Laboratory, 9Now at Second Target Station Project, Oak Ridge National Laboratory, 10Neutron Technologies Division, Oak Ridge National Laboratory

This manuscript describes a protocol for neutron radiography and computed tomography of biological samples using a High Flux Isotope Reactor (HFIR) CG-1D beamline to measure a metal implant in a rat femur, a mouse lung, and an herbaceous plant root/soil system.

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Engineering

Forming Micro-and Nano-Plastics from Agricultural Plastic Films for Employment in Fundamental Research Studies
Anton F. Astner 1, Douglas G. Hayes 1, Hugh M. O'Neill 2, Barbara R. Evans 3, Sai Venkatesh Pingali 2, Volker S. Urban 2, Timothy M. Young 4
1Department of Biosystems Engineering and Soil Science, University of Tennessee, 2Neutron Scattering, Oak Ridge National Laboratory, 3Chemical Sciences Divisions, Oak Ridge National Laboratory, 4Center for Renewable Carbon, The University of Tennessee

We show the formation and dimensional characterization of micro- and nanoplastics (MPs and NPs, respectively) using a stepwise process of mechanical milling, grinding, and imaging analysis.

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