Kathrin Schilling, PhD
Department of Environmental Science, Policy and Management, UC Berkeley ♦Hilgard Hall
151 ♦ Berkeley, CA, 94704, USA ♦ kschilling@berkeley.edu
EDUCATION
UNIVERSITY OF CALIFORNIA, BERKELEY
Berkeley, USA
since February 2014
Postdoctoral Researcher (USDA project)
(Department of Environmental Science, Policy and Management)
LAWRENCE BERKELEY NATIONAL LABORATORY (LBNL)
Berkeley, USA
Postdoctoral Affiliate
(Geochemistry Department)
since February 2014
UNIVERSITY OF CALIFORNIA, BERKELEY
Berkeley, USA
May 2013 –January 2014
Visiting Research Scholar
Project: Microbial reduction of Se in the Salton Sea, California
(Department of Environmental Science, Policy and Management)
UNIVERSITY OF ILLINOIS, URBANA-CHAMPAIGN
Visiting Research Scholar
Project: Isotopic fractionation of Se during microbial Se reduction
Urbana-Champaign, USA
November 2012 – April 2013
(Department of Geology)
UTRECHT UNIVERSITY
Postdoctoral Researcher (NOW-Project)
Utrecht, The Netherlands
February 2011-until January 2014
(Department of Earth Science-Petrology)
Project: Se isotopic study in a Se contaminated site (Punjab, India); Se isotopic signatures for tracing
environmental conditions in the early Earth; Se Bioremediation
JOHANNES GUTENBERG UNIVERSITY AT MAINZ
Mainz, Germany
PhD (Graduate School on Trace analysis of elemental species:
organized by University of Mainz and the Max-Planck-Institute for Chemistry in Mainz)
UNIVERSITY OF LEIPZIG
M.Sc. Geology/Paleontology; B.Sc. (Geology)
2007-2011
Leipzig, Germany
2001-2007
RESEARCH EXPERIENCE
since February 2014
Postdoctoral Researcher
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UNIVERSITY OF CALIFORNIA BERKELEY
Berkeley, CA
Experimental determination of the degradation of organic C linked to the
microbial Fe(III) reduction in wetland soils
Using flow-through system of intact soil cores to identify potential diversity in
metabolic pathways of for microbial selenium reduction
May 2013 - until January 2014
Visiting Research Scholar
•
UNIVERSITY OF CALIFORNIA BERKELEY
Berkeley, CA
Experimental determination of Se isotope fractionation factors for Se reduction
by a group of metabolically diverse bacteria; Determination of microbial
Se(VI)/Se(IV) reduction kinetics
Kathrin Schilling, PhD
Department of Environmental Science, Policy and Management, UC Berkeley ♦Hilgard Hall
151 ♦ Berkeley, CA, 94704, USA ♦ kschilling@berkeley.edu
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•
Using Transmission Electron Microscopy (TEM) to identify potential diversity in
metabolic pathways of for microbial selenium reduction
Se isotope ratios as indicators of natural reducing environments at a Uranium insitu recovery (ISR) site
November 2012 - April 2013
Visiting Research Scholar
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•
•
UNIVERSITY OF ILLINOIS URBANA-CHAMPAIGN
Urbana, IL
Used MC-ICP-MS (Nu Plasma) to determine selenium (Se) and strontium (Sr)
isotopic composition in environmental samples (soil, plant, groundwater) from
Se contaminated site
Microbial Se(VI)/Se(IV) reduction experiments and determination of Se isotope
fractionation ; Developed Se isotope method as a tool to detect bio-reduction
Use of Se isotope ratio as a paleo-redox proxy - determination of Se isotope
ratios in the rock record (e.g., BIF samples) (ongoing project)
August 2007 - January 2011
JOHANNES GUTENBERG UNIVERSITY AT MAINZ
Mainz, Germany
Determination of Se isotope fractionation during Se biomethylation by a fungi in
controlled microcosm batch experiments.
Developing and validating methods for stable isotope analysis of Se (Trapping of
volatile Se compounds associated with biomethylation of Se)
Experience in running a multicollector ICP-MS, GC-MS, HG-AAS and IC
Graduate Research Assistant to Dr. Wolfgang Wilcke
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•
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October 2006 - July 2007
HELMHOLTZ CENTER FOR ENVIRONMENTAL RESEARCH
Halle, Germany
Determination of isotopic composition of sulfur (S) and oxygen (O) using IRMS
to assess hydrogeochemical processes in lignite mining landscapes
Graduate Research Assistant to Dr. Kay Knöller
•
October 2005-July 2007
UNIVERSITY LEIPZIG
Research Assistant to Dr. Anita Just
Leipzig, Germany
• Used geophysical technique (electrical tomography) to map salt rock mines as
potential sites for disposal of chemical waste
PUBLICATIONS
1) Schilling, K., Johnson, T.M., and Mason, P.R.D. (2014). A sequential extraction technique for mass-balanced
stable selenium isotope analysis of soil samples. Chemical Geology 381: 125-130.
2) Schilling, K., Johnson, T.M., and Wilcke, W. (2013). Isotope fractionation of selenium by biomethylation in
microcosm incubations of soil. Chemical Geology 352: 101-107.
3) Schilling, K., and Wilcke, W. (2011). A method to quantitatively trap volatilized organoselenides for stable
selenium isotope analysis. Journal of Environmental Quality 40: 1021-1027.
4) Schilling, K., Johnson, T.M., and Wilcke, W. (2011). Isotope fractionation of selenium during fungal
biomethylation by Alternaria alternata. Environmental Science and Technology 45: 2670-2676.
Kathrin Schilling, PhD
Department of Environmental Science, Policy and Management, UC Berkeley ♦Hilgard Hall
151 ♦ Berkeley, CA, 94704, USA ♦ kschilling@berkeley.edu
5) Schilling, K., Johnson, T.M., and Wilcke, W. (2011). Selenium partitioning and stable isotope ratios in urban
soils. A method to quantitatively trap volatilized organoselenides for stable selenium isotope analysis. Soil
Science Society of America Journal 75: 1354-1364.
6) Schilling, K., Johnson, T.M., Wilcke. W. (2010) Isotopic fractionation biomethylation of inorganic selenium
species, Geochim. Cosmochim. Acta, 74: A922
PUBLICATIONS IN PREPARATION
1) Schilling, K., Johnson, T.M., Dhillon, K.S., and Mason, P.R.D. (prep). Modeling Se cycling in near-surface
environment: Tracing Se migration in a seleniferous site in India using stable Se isotopes.
2) Schilling, K., Basu, A., Sanford, R., Johnson, T.M., Pallud, C. and Mason, P.R.D. (prep). Diversity of massdependent isotopic fractionation of selenium by microbial reduction of Se-oxyanions.
3) Schilling, K., A. Basu, S.T. Brown, J. N. Christensen, T. M. Johnson, D.J. Depaolo, (prep). Selenium isotope
ratios as reduction indicator of uranium remediation at an In Situ Recovery site (ISR).
CONFERENCES
2014
K. Schilling, C. Pallud. Assessing natural kinetics of Fe reduction and degradation of organic matter in
subalpine wetland soils. Complex Soil Systems Conference 2014 (accepted).
K. Schilling, A. Basu, T.M. Johnson, P.R.D. Mason, H. Tsikos, S.K. Mondal. Se isotope signature of
Paleoarchean and Paleoproterozoic banded iron formations. Goldschmidt-Conference, Earth, Energy and
the Environment, Sacramento .
.
A. Basu, S.T. Brown, J.N. Christensen, D.J. DePaolo, P.W. Reimus, J.M. Heikoop, K. Schilling, T.M.
Johnson. Uranium remediation at an In Situ recovery (ISR) site: Isotope ratios as indicators of redcuing
envrionements. Goldschmidt-Conference, Earth, Energy and the Environment , Sacramento .
J VillaRomero, K. Schilling, C. Pallud. Surficial littoral sediments of hypersaline lake, Salton Sea, a sink
for selenium mobilized from Colorado River delta. Goldschmidt-Conference, Earth, Energy and the
Environment, Sacramento .
2013
A. Basu, S.T. Brown, J.N. Christensen, D.J. DePaolo, P.W. Reimus, J.M. Heikoop, A.M. Simmons, B.
House. K. Schilling, T.M. Johnson, M. Pelliza (2013). Assessing natural attenuation potential at a Uranium
(U) in situ recovery site (Rosita, TX, USA) using multiple redox-sensitive isotope systems. AGU Fall
Meeting.
K. Schilling, A. Basu, T.M. Johnson, R. Sanford, P.R.D. Mason (2013). Se isotopic fractionation
during microbial reduction of selenoxyanions: Tracing different biogenic Se transformation
pathways? TALK. EMI 2013, EnvironMetal Isotope Conference, Ascona/ Switzerland.
T.M. Johnson, A.Basu, A.E. Shiel, J-M. Zhu, A.S. Ellis, K. Schilling, K. Mitchell, C.C. Lundstrom (2013).
Detecting and quantifying reductive immobilization of chromate, selenate, and uranyl: Successes and
remaining challenges TALK. EMI 2013, EnvironMetal Isotope Conference, Ascona/ Switzerland.
2012
Kathrin Schilling, PhD
Department of Environmental Science, Policy and Management, UC Berkeley ♦Hilgard Hall
151 ♦ Berkeley, CA, 94704, USA ♦ kschilling@berkeley.edu
K. Schilling, A. Basu, T.M. Johnson, R. Sanford, P.R.D. Mason. (2012). Stable Se isotope fractionation of
selenium during microbial reduction of Se-oxyanions, TALK, SelenWorkshop 2012, Karlsruhe/Germany.
K. Schilling. T.M. Johnson, K. Dhillon, R. Sanford, P.R.D. Mason (2012). Microbially-mediated isotopic
fractionation of selenium: Relevance for biogeochemical processes in the geological record, TALK,
Goldschmidt-Conference, Earth, Energy and the Environment, Montreal/Canada.
2011
K. Schilling. Selenium isotopes in soils (2011). TALK, 2nd International Conference on Selenium in the
Environment and Human, Suzhou/China.
2010
K. Schilling, T.M. Johnson, W. Wilcke (2010). Isotopic fractionation by biomethylation of inorganic
selenium species, POSTER, Goldschmidt-Conference, Earth, Energy and the Environment, Knoxville/TN.
2009
K. Schilling, W. Wilcke (2009). A method to determine the isotopic composition of selenium in volatile
organoselenium compounds. POSTER, 12th Workshop on Progress in Analytical Methodologies for Trace
Metal Speciation, Mainz.
K. Schilling, W. Wilcke (2009. A method to determine the isotopic composition of selenium in volatile
organoselenium compounds, POSTER, Annual Meeting of German Soil Science Society, Bonn.
2008
K. Schilling, W. Wilcke (2008). A method to determine the isotopic composition of selenium in volatile
organoselenium compounds, POSTER, 4th International Conference on Trace Element Speciation in
Biomedical, Nutritional and Environmental Sciences, München.
INVITED TALKS
2014
NERC Workshop- SoS Selenium and Tellurium, University of Leicester, UK, 12th – 14th January 2014
2012
Dutch Geology Conference (NAC) Meeting 2012 – Health related issues in Geology- Title: Environmental fate of
selenium toxicity in an agricultural site in Punjab (India) −A novel tool to look at Se cycling in soils.
Punjab Agricultural University - Ludhiana/India-Title: Application of stable isotope in environmental systems Stable selenium isotope ratios in soils-
AWARDS/FELLOWSHIPS/HONORS
German Research Foundation Excellence Scholarship (2007-2010)
Graduate student representative at the Graduate school “Trace analysis of elemental species: development of
methods and application” (2007-2011)
PROFESSIONAL AFFILIATIONS
Member, German Soil Science Society
Member, European Geochemical Society
Kathrin Schilling, PhD
Department of Environmental Science, Policy and Management, UC Berkeley ♦Hilgard Hall
151 ♦ Berkeley, CA, 94704, USA ♦ kschilling@berkeley.edu