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Miami University
Dr. Hailiang Dong

Associate Professor
Department of Geology
Phone: 513-529-2517
Fax: 513-529-1542

Dr. Hailiang Dong
Dr. Hailiang Dong "The overall objective of our research program is to understand how and why microorganisms and geological media (rocks, minerals, nanoparticles, and water) interact and how we can use their mutual interactions to understand a range of geological and microbial processes on Earth and to benefit our society."

Description of Research
Dr. Dong's research is focused on the following broad areas: 1) nanoscale investigations of clay mineral-microbe interactions and implications for microbial ecology and organic matter maturation and petroleum migration in sedimentary basins; 2) effect of nanoparticles (minerals, colloids, both synthetic and natural) on microbial survival and metabolic functions; 3) nanoparticles of viruses transport in groundwater and their removal via filtration; 4) environmental bioremediation of heavy metals and radionuclides using bacteria and clay nano-particles. We employ a number of geological, mineralogical, geochemical, and microbiological (both molecular and cultivation based) tools to study these processes. Among these, transmission electron microscopy (TEM) and environmental cell TEM, and electron energy loss spectroscopy (EELS), are essential tools to directly image nanoparticle-microbe interactions at a high spatial resolution. We also employ analytical electron microscopy and EELS to create maps of chemical elements as well as oxidation states of heavy metals.

Undergraduate researcher's roles in your lab
Undergraduate students assist graduate students to carry out research projects. In addition, they make presentations at national and international conferences. They either lead or participate (as a co-author) in peer-reviewed publications.

Graduate student's role in your lab
Graduate students are primary work force in my lab, carrying our NSF-, DOE, PRF-funded research projects on a day-to-day basis. They present their research results at national and international meetings and publish in peer-reviewed journals as lead authors.


Ye, Q., Jiang, H., Ji, S., Dong, H., and Zhang, C. (2006)

Survey of archaeal diversity in sediments of Qinghai Lake, China and implications for paleoclimate change. AGU Fall meeting, San Francisco, CA, December, 2006.

Jaisi, D.P., Dong, H., Heald, S., Fredrickson, J.K., and Plymale, A.E. (2006)

Influence of competitive electron acceptors during reduction and effective immobilization of technetium by reduced nontronite. AGU Fall meeting, San Francisco, CA, December, 2006.

Mailloux, B.J., Van Geen A., Zhang, Y., Stute, M., Datta, S., Horneman, A., Mislowack, B.J., Dong, H., Freyer, G., and Assaf-Anid N. (2006)

Linking bacterial activity and diversity in the shallow aquifers of Bangladesh. Geological Society of America Abstracts with Programs, Vol. 38, No. 7, p. 29

Dong, H., Rech, J.A., Jiang, H., Sun, H., and Buck, B.J. (2006)

Endolithic cyanobacteria in soil sulfates from hyperarid environments on Earth. Geological Society of America Abstracts with Programs, Vol. 38, No. 7, p. 521.

Dong, H. (Invited, Pardee lecture, GSA, 2006)

Geomicrobiology in extreme environments: linking geological processes with microbial activities. Geological Society of America Abstracts with Programs, Vol. 38, No. 7, p. 390

Jaisi, D.P., Dong, H., Fredrickson, J.K., and Plymale, A.E. (2006)

Reactivity of Fe(II) associated with biologically and chemically reduced nontronite to technetium reduction. Geological Society of America Abstracts with Programs, Vol. 38, No. 7, p. 44

Bishop, M.E., Jaisi, D.P., and Dong, H. (2006)

Bioavailability of Fe(III) in loess sediments. GSA Abstracts with Programs, Vol. 38, No. 7, p. 138.

Zhang, C., Campbell, B., Liu, X., Shao, Z., Wang, F., Xiao, X., and Dong, H. (2006)

Geochemical and Microbiological Characterization of Microbial Communities Mediating Carbon Cycle in Mid-Ocean, Western Pacific Geophysical Meeting, Beijing, July 24-27, 2006.

Zhang, G., Dong, H., Jiang, H., Hedlund, B.P., and Xie, Z. (2006)

Iron redox cycling in the deep subsurface. Western Pacific Geophysical Meeting, Beijing, July 24-27, 2006.

Wu, N., Dong, H., Suess, E., Jiang, H., Ye, Y., Zhang, C., Rowe, H., and Huang, Y. (2006)

Mineralogical Features and C-O Isotope Composition of Methane-derived Carbonate Build-up Found in the Northeastern South China Sea, Western Pacific Geophysical Meeting, Beijing, July 24-27, 2006.

$100.000 Grant from the State of Ohio
Nanomaterials in our Environment

$100.000 Grant from the State of Ohio
Nanomaterials in our Environment

Zhang, G., Dong, H., Jiang, H., Xu, Z. and Eberl D. (2006) Unique microbial community in drilling fluid from Chinese Continental Scientific Deep Drilling. Geomicrobiology Journal, 23, 499-514.

Jiang, H., Dong, H., Zhang, G., Yu, B., Chapman, L.R., and Fields, M.W. (2006) Microbial diversity in water and sediment of Lake Chaka: an inland hyersaline lake in Northwestern China. Applied and Environmental Microbiology, 72(6), 3832-3845.

Dong, H., Scheibe, T.D., Johnson, W.P., Monkman, C.M. and Fuller, M.E. (2006) Change in collision efficiency with distance in bacterial transport experiments. Ground Water, 44(3), 415-429

Dong, H., Zhang, G., Jiang, H., Yu, B., Chapman, L.R., Lucas, C.R., and Fields, M.W. (2006) Microbial diversity in sediments of saline Qinghai Lake, China: linking geochemical controls to Microbial Ecology. Microbial Ecology, 51(1), 65-82.

Seabaugh, J.L., Dong, H., Kukkadapu, R.K., Eberl, D., Morton, J.P., and Kim, J.W. (2006) Microbial reduction of Fe(III) in the Fithian and Muloorina illites: contrasting extents and rates of bioreduction. Clays & Clay Minerals, 54(1), 67-79.

Jaisi, D.P., Dong, H., Kim, J.W., He, Z., and Morton, J.P. (2006) Particle aggregation kinetics during microbial reduction of Fe(III) in nontronite. Clays & Clay Minerals, in press.

Jaisi, D.P., Kukkadapu, R.K., Eberl, D.D., and Dong, H. (2005) Control of Fe(III) site occupancy on the extent and rate of microbial Fe(III) reduction in nontronite. Geochimica et Cosmochimica Acta, 69(23), 5429-5440.

Zhang, G., Dong, H., Xu, Z., Zhao, D., and Zhang, C. (2005) Bacterial diversity in ultra-high pressure rocks and fluids from the Chinese Continental Scientific Drilling in China. Applied and Environmental Microbiology, 71(6), 3213-3227.

Kim, J.W.^, Dong, H.^, Seabaugh, J., Newell, S.W., and Eberl, D.D. (2004) Role of Microbes in the Smectite to Illite Reaction. Science, 303, 830-832. ^: equal contribution.

Dong, H., Kostka, J.E., and Kim, J.W. (2003) Microscopic evidence for microbial dissolution of smectite. Clays and Clay Minerals, 51(5) 502-512.

Dong, H., Kukkadapu, R.K., Fredrickson, J.K., Zachara, J.M., Kennedy, D.W. and Kostandarithes, H.M. (2003) Microbial reduction of structural Fe(III) in illite and goethite, Environmental Science and Technology, 37(7), 1268-1276.

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