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Morris Jones

Title:Postdoctoral Scholar - Biogeochemistry
Primary Affiliation:Department of Environmental Earth System Science
Office Location:Green Earth Sci.
Research Group:Soil and Environmental Biogeochemistry
E-mail:mejones@stanford.edu

Education

    Georgia Institute of Technology, Atlanta, Georgia 2011 Ph.D. in Geochemistry School of Earth and Atmospheric Sciences Thesis title: “Organic-Fe(III) complexes: Rethinking iron solubility and bioavailability” Dr. Martial Taillefert, advisor   University of South Carolina, Columbia, South Carolina 1998 M.S. Chemistry, Bio-organic synthesis Department of Chemistry and Biochemistry Thesis title: “Progress toward the synthesis of a light-responsive switch-functional transmembrane ion channel” Dr. Brian Salvatore, advisor   University of South Carolina-Aiken, Aiken, South Carolina 1996 B.S. Chemistry, minor in Geology Department of Chemistry 

Professional Experience

    Research Experience     Postdoctoral Research Scholar, 2012-present Environmental Earth System Science, Stanford University               Research topics
  • Effects of physical parameters and small-scale chemical gradients on the formation of uranium solid phases.
  • Mechanisms for the incorporation of uranium into iron oxides.   Graduate Research Assistant, 2005-2011 School of Earth and Atmospheric Sciences, Georgia Institute of Technology, Atlanta, GA   Research topics
  • Investigation of the sources and sinks of soluble Fe(III) complexes in estuarine and ocean systems. 
  • Development of a novel voltammetric screening array for identification of soluble organic-Fe(III). 
  • Identification genes required for soluble organic-Fe(III) production during Fe respiration by Shewanella oneidensis MR-1.   Research Coordinator, 1999-2005 Savannah River Ecology Laboratory, Aiken, SC   Research topics
  • Characterization of microbial communities of alkaline hot springs by Fatty Acid Methyl Ester (FAME-GC-MS) analysis. 
  • Trophic transfer of PCB’s and mercury in a contaminated Georgia estuary.
  • Study of the geomicrobiology of hot springs systems in the Black Rock Desert, Nevada.   Graduate Research Assistant, 1996-1998 Department of Chemistry and Biochemistry, University of South Carolina, Columbia, SC   Organic synthesis of bio-organic compounds for the construction of a light activated switch-functional synthetic transmembrane ion channel.    Field Experience   Over seventy ship days aboard the R/V Savannah to study the biogeochemistry of Fe cycling in the Satilla River Estuary including site selection, deployment of autonomous benthic lander for in-situ voltammetric analysis, and Fe speciation by Competitive Ligand Equilibration (CLE).   Twenty-five day cruise aboard the R/V Atlantis to investigate hydrothermal vent along the East Pacific Rise (9 North) including an ALVIN dive to 2600 meters, in-situ voltammetric analysis, and trace metal analysis by ICP-MS.   Field campaign to study the geomicrobiology of hot springs systems in the Black Rock Desert, Nevada including campaign logistics, sampling of 20 alkaline hot springs for microbial community analysis (FAME), and ground water characterization by trace metal analysis. 

Honors & Awards

    Best Paper Award 2011 – Earth and Atmospheric Sciences, Georgia Institute of Technology  EAS - Graduate Student Symposium Best Talk Award 2011 

Professional Activities

    Invited seminars    “Organic-Fe(III) complexes: Rethinking iron solubility and bioavailability” Pacific Northwest National Laboratory Richland, WA.  December 1, 2010.   “Speciation of Fe(III): Rethinking iron solubility and bioavailability” Water Science and Engineering Laboratory University of Wisconsin–Madison.  Madison, WI.  October 18, 2010.              Meeting abstracts   M.E. Jones, C.M. Fennessey, T.J. DiChristina, M. Taillefert - Non-Reductive Dissolution of Iron Oxides by Shewanella oneidensis during Dissimilatory Fe(III) Reduction Goldschmidt conference (2010) – poster presentation   M.E. Jones, C.M. Fennessey, T.J. DiChristina, M. Taillefert - Non-reductive dissolution of iron oxides by endogenous organic ligands of Shewanella oneidensis MR-1 during dissimilatory Fe(III) reduction American Chemical Society Conference - Aquatic Redox Chemistry: Symposium in Honor of Donald L. Macalady (2010) – oral presentation   M.E. Jones, C.M. Fennessey, T.J. DiChristina, M, Taillefert - Non-reductive dissolution of iron oxides by endogenous organic ligands of S. oneidensis during dissimilatory Fe(III) reduction. Georgia Tech Research Innovation Conference (2010) – poster presentation   M. Taillefert*, D. Meiggs, M.E. Jones, J.S. Beckler - New Insights into the Biogoechemical Cycling of Iron from In Situ Measurements in Marine Sediments. Goldschmidt Conference, Davos, Switzerland (2009)   M.E. Jones; J.S. Beckler; M. Taillefert - Satilla River estuary sediments provide a source of soluble organic ironIII complexes to overlying water. 14th Ocean Sciences Meeting, Orlando, FL (2008) – poster presentation   M.E. Jones; J.S. Beckler; M. Taillefert.  Quantification and characterization of soluble FeIII complexes in coastal sediments by competitive ligand equilibration – adsorptive cathodic stripping voltammetry (CLE-ACSV). 75th Gordon Conference in Chemical Oceanography, Tilton, NH (2007) – poster presentation   J.S. Beckler, C. M. Fennessey, M. E. Jones, J. L. Burns, T. J. DiChristina, M. Taillefert - Soluble organic-iron(III) complexes are intermediates in the reduction of iron oxides by Shewanella putrefaciens. Geological Society of America Southeastern Section Meeting, Savannah, GA (2007)   M. Taillefert; D. Meiggs; G. Bristow; J.S. Beckler; M.E. Jones; K. Salome; P. Wilson; H. Wu.  Role of Iron in the Remineralization of Carbon in Coastal Marine Sediments.  Estuarine Research Federation 19th International Conference, Providence, RI (2007)   M.E. Jones. Voltammetric Technique for Rapid Screening of Microbial Iron(III) Reduction by Shewanella oneidensis strain MR-1.  Earth and Atmospheric Sciences Graduate Student Symposium, Georgia Institute of Technology, Atlanta, GA (2006) – oral presentation 

Courses Taught

    Teaching Assistant, 2008-2010 School of Earth and Atmospheric Sciences, Georgia Institute of Technology, Atlanta, GA   Environmental Earth Processes Laboratory - Instructed ~25 students per semester on mineral identification and rock formation, watershed dynamics, and physical geology.   Undergraduate Research Mentor, 2008   Designed a research project for a NSF-REU undergraduate student.  Instructed the student on advanced voltammetric and microbiological techniques.   Lecturer, 1999-2005 Department of Chemistry, University of South Carolina-Aiken, Aiken, SC   Designed the course ‘Chemistry in Society’ to integrate the fundamentals of chemistry into our environmental, geopolitical, and economic surroundings.  As Instructor of Record, duties included course design, lecturing, and writing and grading of exams.   Teaching Assistant, 1996-1998 Department of Chemistry and Biochemistry, University of South Carolina, Columbia, SC   Organic Synthesis – Held recitations to instruct students on the fundamental of organic synthesis and molecular interaction and guided students on sound techniques. 

Publications

    Jones, M.E., Beckler, J. S., Taillefert, M. (2011) The flux of soluble organic-Fe(III) complexes from sediments represents a source of stable iron(III) to estuarine waters and to the continental shelf.  Limnology and Oceanography 56: 1811-1823.    Jones, M.E., Fennessey, C.M., DiChristina, T.J., Taillefert, M. (2010) Shewanella oneidensis MR-1 mutants selected for their inability to produce soluble organic-Fe(III) complexes are unable to respire Fe(III) as anaerobic electron acceptor. Environmental Microbiology 12: 938-950.   Fennessey, C.M., Jones, M.E., Taillefert, M., DiChristina, T.J. (2010) Siderophores Are Not Involved in Fe(III) Solubilization during Anaerobic Fe(III) Respiration by Shewanella oneidensis MR-1. Applied and Environmental Microbiology 76: 2425-2432.   Jones, M. E., DiChristina, T. J., Taillefert, M. (2011) – Characterization of organic-Fe(III) complexes by competitive ligand equilibration during reduction of Fe(III) by Shewanella oneidensis MR-1 - In Prep   Jones, M.E., Taillefert, M. (2011) – The role of sulfur in the flux of iron in hydrothermal vent fluids from 90 North, East Pacific Rise  – In Prep 

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