Home > Profiles > Juliane Hopf

Juliane Hopf

Juliane Hopf

Postdoctoral Research Associate

Department of Civil & Environmental Engineering & Earth Sciences

Postdoctoral Research Associate
College of Engineering

Email: jhopf@nd.edu

Phone: 574-631-4306

Office: 112H

Education

Doctorate in Natural Sciences, Friedrich Schiller University Jena, 2011

Diploma in Biology, University of Bayreuth, 2005

Biography

Publications


In preparation

Hopf, J., Eskelsen, J.R., Chiu, M., Ievlev, A., Ovchinnikova, O.S., Leonard, D., Pierce, E.M. “Toward an Understanding of Surface Layer Formation, Growth, and Transformation at the Glass-Fluid Iunterface”.

Hopf, J., Etzel, K., Harries, D., Pollok, K., Langenhorst, F., Hochella, M.F. “Surface alteration of pyrrhotite by Acidithiobacillus ferrooxidans under acidic conditions”.

Hopf, J., Langenhorst, F. “Influence of Acidithiobacillus ferrooxidans and Acidithiobacillus thiooxidans on surface morphology and dissolution rates of pyrrhotite”.

Journal Articles

Nallathamby, P.D., Hopf, J., Irimata L.E., McGinnity, T.L., Roeder, R.K. (2016) “Preparation of fluorescent Au–SiO2 core–shell nanoparticles and nanorods with tunable silica shell thickness and surface modification for immunotargeting”. Journal Materials Chemistry B 4, 5418-5428. doi: 10.1039/C6TB01659F

Hopf, J., Kerisit, S.N., Angeli, F., Charpentier, T., Icenhower, J.P., McGrail, B.P., Windisch, C.F., Burton, S.D., Pierce, E.M. (2016) “Glass Water Interaction: Effect of High Valence Cations on Glass Structure and Chemical Durability”. Geochimica et Cosmochimica Acta 181, 54-71. doi: 10.1016/j.gca.2016.02.023

Hopf, J., Pierce, E.M. (2014) “Topography and Mechanical Property Mapping of International Simple Glass Surfaces with Atomic Force Microscopy”. Procedia Materials Science 7, 216-222. doi: 10.1016/j.mspro.2014.10.028

Hopf, J., Langenhorst, F., Pollok, K., Merten, D., Kothe, E. (2009) “Influence of microorganisms on biotite dissolution: an experimental approach”. Chemie der Erde - Geochemistry 69 (S2), 45-56. doi: 10.1016/j.chemer.2008.11.001

Reports

Pollok, K., Harries, D., Hopf, J., Etzel, K., Chust, T., Hochella, M.F., Jr., Hellige, K., Peiffer, S., Langenhorst, F. (2010) “Microstructural Controls on Monosulfide Weathering and Heavy Metal Release (MIMOS)”. GEOTECHNOLOGIEN Science Report 16, 182-197. doi: 10.2312/GFZ.gt.16.13

Pollok, K., Langenhorst, F., Hopf, J., Kothe, E., Geisler, T., Putnis, C.V., Putnis, A. (2008) “Microstructural Controls on Monosulfide Weathering and Heavy Metal Release (MIMOS)”. GEOTECHNOLOGIEN Science Report 12, 79-88.

Thesis

Hopf, J. (2011) “Microbial weathering of minerals – case studies on biotite and pyrrhotite”, Doctoral Thesis.

Hopf, J. (2005) “Heme degradation for the acquisition of CO as a substrate for chemolithoautotrophic bacteria”, Diploma Thesis.

Conference Presentations (lead author only)

Hopf, J., Pierce, E.M. (2014) “AFM based mechanical property mapping for glass corrosion studies” 2nd Annual ORNL Postdoc Research Symposium, Oak Ridge TN, USA, talk.

Hopf, J., Pierce, E.M. (2014) “AFM based mechanical property mapping for glass corrosion studies” Goldschmidt Conference, Sacramento CA, USA, poster.

Hopf, J., Pollok, K., Hochella, M.F., Langenhorst F. (2011) “Bacterial oxidation of pyrrhotite and troilite under acidic conditions” Goldschmidt Conference, Prague, Czech Republic, talk.

Hopf, J., Pollok, K., Langenhorst, F. (2010) “Comparison of surface morphology and cell adhesion mechanisms of pyrrhotite in the presence of Acidithiobacillus ferrooxidans and Acidithiobacillus thiooxidans” 9th Symposium on Remediation Jena, Germany, talk.

Hopf, J., Pollok, K., Harries, D., Langenhorst, F., Kothe, E., Hochella, M.F. (2009) “Oxidative dissolution of pyrrhotite by Acidithiobacillus ferrooxidans: a surface approach” GEOTECHNOLOGIEN Status-Seminar Mineral Surfaces – From Atomic Processes to Industrial Application, Bayreuth, Germany, poster.

Hopf, J., Langenhorst, F., Merten, D. (2008) “Influence of microbes on biotite dissolution” Symposium of the Jena School for Microbial Communication (JSMC), Jena, Germany, poster.

Hopf, J., Haferburg, G., Pollok, K., Kothe, E., Langenhorst, F. (2008) “New phosphates and sulphates produced by a Streptomyces acidiscabies strain?” 7th Symposium on Remediation, Jena, Germany, talk.

Hopf, J., Haferburg, G., Pollok, K., Kothe, E., Langenhorst, F. (2008) “Bioprecipitation of phosphates and sulfates in experiments with Streptomyces acidiscabies” 86th Annual Meeting of the Deutsche Mineralogische Gesellschaft, Berlin, Germany, poster.

Professional Employment


2016 – present

Postdoctoral Research Associate, Department of Civil and Environmental Engineering & Earth Sciences, University of Notre Dame, USA

2012 – 2016

Postdoctoral Research Associate, Environmental Sciences Division, Oak Ridge National Laboratory (ORNL), USA

Research Areas: Geochemistry – Thermodynamics & Dissolution Kinetics of Glasses, Atomic Force Microscopy

2011

Postdoctoral Research Associate, Bavarian Research Institute of Experimental Geochemistry and Geophysics, University of Bayreuth, Germany

Work Area: Planning and Development of a Geomicrobiology Laboratory

2006 – 2011

Graduate Research Associate, Institute of Geosciences, Friedrich Schiller University Jena and Bavarian Research Institute of Experimental Geochemistry and Geophysics, University of Bayreuth, Germany

Research areas: Microbe-Mineral Interactions, Electron Microscopy, Biomineralization

2000 – 2005

Student Assistant, Bavarian Research Institute of Experimental Geochemistry and Geophysics, University of Bayreuth, Germany

Research areas: Climate changes and mass extinction at the K/T boundary; Deformation of minerals and the convection of Earth’s mantle

1999 – 2005

Undergraduate Scientist, Department of Microbiology, University of Bayreuth, Germany

Research areas: Medical Microbiology, UV/VIS Spectroscopy