Former Lab staff

Ms. Dan LI, Visiting Ph.D. student from Institute of Applied Ecology, Chinese Academy of Sciences (2017-2019). She is now a postdoc at the South China Normal University, Guangzhou (E-mail: ).

Thesis research: Role of natural organic matter with different molecular sizes and functionalities in regulating the toxicity of Me-Hg in embryonic zebrafish

Dr. Miao Liu (from Institute of Applied Ecology, Chinese Academy of Sciences) and Dr. Wei Zhang (from Shenyang Agricultural University). Visiting scholar (Summer 2018)

Dr. Bin Yang: Visiting Scholar from Qinzhou University (2018-2019), China


Research Interests: Biogeochemical cycling of phosphorus in marine environments

Mr. Dongxu Zhang
Visiting PhD student from Ocean University of ChinaE-mail:

Dr. Xuelu Gao, Visiting Scholar (2016-2017);

Permanent address: Yantai Institute of Coastal Zone Research, Chinese Academy of Sciences. E-mail: gao9;

Research Interests: Biogeochemistry of carbon, nutrients and metals in coastal environments.

Ms. Shimaa Kteeba, PhD Student (2014-2017).

E-mail:; Permanent address: Damietta University, Egypt

Research Interests: colloids and nanoparticles, Biogeochemical cycling of organic matter and trace elements in aquatic environments; Role of natural organic matter in regulating surface properties and toxicity of engineered nanoparticles in embryonic zebrafish.

Dr. Wenzhi LIU
Visiting Scientist (2016 – 2017)
Permanent address: Wuhan Botanical Garden, Chinese Academy of Sciences.


Dr. Huacheng XU
Visiting Scientist (2016 – 2017)
Permanent address: Institute of Geography and Limnology, Chinese Academy of Sciences.


Mr. Tarek Teber
Graduate Student (2014.01-2016.08)
Thesis title:  Chemical Composition and Fluxes of Dissolved Organic Matter and Nutrients from the Lower Milwaukee River.

Now at Wisconsin State Laboratory of Hygiene


Mr. Matthew Stangel

Graduate student (PSM)

Research Interests: Biogeochemical cycling of phosphorus.


Currently at R A Smith National

Dr. Peng LIN  

Postdoc (2012.12 –2016.06)

Now at TAMU at Galveston


Ms. Wei XING

Research Assistant (Volunteer)

Now at: TAMU-Galveston, Texas

Mr. Stephen DeVilbiss

Graduate Student (2013-2016)

Thesis: Characterization of dissolved organic matter and its interactions with invasive quagga mussels in Lake Michigan.



Dr. Zhengzhen (Jen) Zhou

 Postdoctoral Research Associate (2012–2015)

 Now: U.S. Army


 Ms. Raechel Huff

 Student Research Assistant


Now at: Arizona

Prof. Dr. Weifeng Yang;  Visiting Scientist (Aug-Oct, 2014)
Permanent address: Professor at Xiamen University, College of Ocean and Earth Sciences, China.  E-mail:

 Mr. Alex Prie

Summer REU Student (2014) from Saint John’s University, MN

Now: PhD student at UC-Riverside;


 Dr. Jianyu Ni

Visiting Scholar (2013.06–2014.06)

Permanent address: Second Institute of Oceanography (SOA), Hangzhou, China.


Ms. Aja Gaeth

Research Assistant and REU student (2012-2014)

Geosciences, UWM


Dr. Min Chen

Visiting Professor (Aug-Oct 2013)

Permanent address: College of Ocean and Earth Sciences; Xiamen University, China.


 Dr. Lei Gao,
Visiting Scholar (2012.12-2013.12), Permanent address: East China Normal University, Shanghai, China.    E-mail:
Ms. Allison Fabino,  2013  Summer REU student at UWM, from Knox College.     Now, Graduate Student at Northern Illinois University,    E-mail:
Ms. Mikaela Cherry,  2012 Summer REU student at University of Wisconsin-Milwaukee, from Colorado State University.  Now, graduate student at University of Victoria, Department of Geography.
Ms. Zhengzhen Zhou, Graduate student (2007-2012) at  University of Southern Mississippi.    E-mail:
Dr. Weifeng Yang, Visiting Scientist (Jan 2011-Jan 2012) from Xiamen University.
Permanent address: Professor of College of Ocean and Earth Sciences, Xiamen University, China.   E-mail:
Dr. Hui-Jun He, Postdoctoral Research Associate (2010-2012)/Univ of Southern Mississippi, from Institute of Geochemistry, Chinese Academy of Science. Now at Ocean University of China.   E-mail:
 Hailong Huang Mr Hailong Huang,  Research Associate (2011),  now PhD student at Univ of Southern Mississippi, E-mail:
Ms. Wenxin Jiang,  Graduate Student (2010-2011), now PhD student at Georgia State University, E-mail:

Ms. Kusumica Mitra 

Graduate student (2009-2012) at Univ of Southern Mississippi,   E-mail:

Dr. Peng Lin

Visiting student at USM (2009-2010), PhD student (-2012)  Xiamen University.  E-mail:

Dr. Bjorn Stolpe, Postdoctoral Fellow (2007-2010) at Univ of Southern Mississippi from the University of Gothenburg, Sweden.     E-mail:
Dr. Xueyan Jiang, Visiting PhD student (2007-2008).  Now Associate Professor at Ocean University of China.  E-mail:
  Ms. Jilian Danner, graduate student (2006-2007), Univ of Southern Mississippi.
Mr. Xuri Wang, Graduate Student  (2006-2009) Univ of Southern Mississippi, Research Technician (2009-2012), the Center for Trace Analysis at Univ of Southern Mississippi.  Now in Hainan Research Academy of Environmental Sciences, China. E-mail:
Dr. Yihua Cai,  Postdoctoral Fellow (2005-2007) and Research Scientist (2007-2009) at University of Alaska Fairbanks and Univ of Southern Mississippi. Permanent address:  Professor at Xiamen University, China.  E-mail:
Dr. Fugen Dou,  Postdoctoral Fellow (2005-2007) at University of Alaska Fairbanks.  Now  Professor at Texas A&M UniversitE-mail:
Ms. Mindy Juliana, Research Assistant (2004-2005), University of Alaska Fairbanks.Now, Fairbanks, Alaska.  Facebook at
Mr. Chunhao Xu, Graduate Student (M.S., 2003-2005), University of Alaska Fairbanks.  E-mail:
Dr. Claude Belzile,  Postdoctoral Fellow (2004-2005), UAF.   Now Scientist at Institut des sciences de la mer de Rimouski;  Université du Québec à Rimouski, Canada.   E-mail:
Dr. Chin-Chang Hung, Visiting Scientist (2003) from Texas A&M University, now Professor at National Sun Yat-Sen University. Taiwan, E-mail:
Dr. Celine Gueguen, Postdoctoral Fellow (2001-2004) at University of Alaska Fairbanks.   Now Professor at Trent University/Canada, E-mail:
Dr. Deli Wang, Graduate Student (2001-2004) at UAF. Now Professor at Xiamen University, China.  E-mail:
 Ms. Jaime Lehner, Summer REU student at UAF (2001) from University of Colorado.
Dr. Nigel Munn,  International exchange Student (2001-2002) from UK, currently working on hydrogeology of the Chalk,  E-mail:
Dr. Min Chen, Visiting Scientist (2001) at University of Alaska Fairbanks.  Permanent address: Professor in the College of Ocean and Earth Sciences at Xiamen University.    E-mail:
Professor Yipu Huang, Visiting Scientist (2001) at UAF.   Permanent address:  Xiamen University, China

Group photo 11122015_Guo iphone

Group photo — 2015 (from Left Tarek, Guo, Peng, Zhengzhen, Steve, Shimaa, and Matt)


Group Photo — May 2016: Shimaa, Wenzhi, Huacheng, Steve, Tarek, Peng, and Guo (from left to right)

Group photo — 2014 in the old building (from left: Ni, Guo, DeVilviss, Teber, Stolpe, Zhou, Lin, Gaeth, and Frie)


Group activities during Bjorn’s visit in the summer of 2014

2013 at UWM (from left: Min Chen, Peng Lin, Zhengzhen Zhou, Stephen DeVilbiss, Guo, JIangyu Ni, and Lei Gao)


Taret Teber (right) as a chief scientist for a Lake Michigan sampling trip in 2015 (from left: Peng, Steve and Tarek).

2009 at University of Southern Mississippi (from left Guo, Xueyan Jiang, Xuri Wang, Bjorn Stolpe, and Yihua Cai).


Group photo 2011_at USM

2011 at USM (from left: Huijun, Kusumica, Guo, Zhengzhen, Weifeng, and Wenxin)

at UAF 2005

2005 at University of Alaska Fairbanks

Group photo at UWM (2018): Changyou Wang, Guo, Bin Yang, Dan Li, Yangyang Yang, Dongxu Zhang, and Hui Lin.