People

Heileen (Helen) Hsu-Kim

Associate Professor
Civil & Environmental Engineering
Duke University

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office:                                     mailing address:
127A Hudson Hall                   Box 90287
phone: (919) 660-5109          121 Hudson Hall
fax: (919) 660-5219               Durham, NC 27708
 
 

Laura Rogers

Research Technician and Lab Manager

(B.S., Duke University)

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Chuanjia (CJ) Jiang

Ph.D. Student

(B.S., M.S. Tsinghua University)

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Thesis topic: Aggregation, dissolution, and surface composition of soluble metal-based nanomaterials in the environment

 

 

 

Sarah Diringer

Ph.D. Student

(B.S., UCLA)

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Thesis topic: Mercury biogeochemistry in the Madre de Dios watershed and engineering controls to minimize mercury releases during gold mining and processing.

 

 

 

Ross Taggart

Ph.D. Student

(B.S., Duke University)

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Thesis topic: Coal ash as a resource for rare earth elements and other strategic metals

 

 

Janie Cooper

Ph.D. Student

(B.S., University of michigan)

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Thesis topic: Geochemical fingerprinting of water and seepage from oil, natural gas, and coal production sites

 

 

 

Gretchen Gehrke

Postdoctoral Scientist

(Ph.D., Univ. of Michigan)

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Research expertise: Environmental and isotope geochemistry, trace metals biogeochemistry, environmental organic chemistry

 

 

 

Nelson Rivera

Postdoctoral Scientist

(Ph.D., UC Merced)

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Research expertise: Environmental geochemistry and spectroscopy

 

 

 

Carol Johnson

Postdoctoral Scientist

(Ph.D., Virginia Tech)

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Research expertise: Environmental geochemistry, nanogeosciences