Environmental Geochemistry and Geomicrobiology Lab

Contact Information

The University of Notre Dame

Civil and Environmental Engineering and Earth Sciences

156 Fitzpatrick Hall

Ph: (574) 631-4534 Fax: (574) 631-9236

CURRENT LAB MEMBERS

Dr. Xingmin Rong (xingmin.rong.1@nd.edu) - Visiting Associate Professor

Current projects:

(1)Surface complexation modeling of metal adsorption onto a halophilic archaea, Halobacterium noricense.

MORE DETAILS TO COME....

Shannon Flynn (sflynn4@nd.edu) - Ph.D. student

Current projects:

(1)Thermodynamic stabilities of uranyl peroxide nanoclusters.
(2)Extraction of bitumen from oil sands with ionic liquids.
(3)Investigating cadmium toxicity to bacterial surfaces using the surface complexation modeling approach.
(4)Comparison of thermodynamic stabilities of uranyl and neptunyl-incorporated actinide minerals.

Qiang Yu (qyu@nd.edu) - Ph.D. student

Current projects:

1)Develop a method for determining the concentrations and stability constants of sulfhydryl sites within various bacterial cell envelopes.
2)Investigate and quantify the dependence of metal adsorption/desorption behaviors onto bacteria under different metal loading conditions.
3)Characterize the sulfhydryl sites of extracellular polymer substances (EPS) and to elucidate their role in metal adsorption onto biofilm.

Ryan Nell (rnell@nd.edu) - Ph.D. student

Current projects:

(1)Determining the application of surface precipitation theory to HgO precipitation onto B.subtilis.
(2)Using linear free energy estimation to determine metal binding constants relevant to Fe oxidizing bacteria.
(3)Linking the bioavailability of aqueous ferrous complexes to Fe oxidizing bacteria and iron oxidation rates.

Dungang Gu (dungang.gu.22@nd.edu) - Visiting scholar

Current projects:

Lab group - July 2012.