Spring 2020 Environmental Biogeochemistry (EBL) Group

Front from left: Jessica Anton, Gulcin Tosun, Margaret Musser, Lisa Stout, Katelyn Gray, Xiaolu Li, and Taylor Moore
Behind from left: Spencer Moller, Yuriy Sakhno, Deb Jaisi, Zhaohua Jiang, Anthony Hollenback, and Qiang Li

Principal Investigator

Dr. Deb Jaisi
Email: jaisi(AT)
Associate Professor of Environmental Biogeochemistry


1. Postdoctoral associates and visiting scientists
Dr. Yuriy Sakhno
Email: yshakno(AT)
Project: Synthesis of apatite and ion doping
Dr. Katelyn Gray
Email: graykat(AT)
Project: Phopshorus cycling at salinity gradient
Dr. Lisa Stout (visiting scientist)
Email: lstout(AT)
Project: Mineralization of organic P by bacteria


2. Graduate and Visiting Students
Ted (Qiang) Li
Email: liqiang(AT)
Sources and cycling of P in estuarine environment
Gulcin Tosun
Email: gulcin(AT)
Precipitation and dissolution of apatite
Jess (Jessica) Anton
Email: jess(AT)
Residual and recalcitrant phosphorus; source tracking
Spencer Moller
Email: smoller(AT)
Glyphosate degradation and fate; method development
Meg (Margaret) Musser
Email: msmuss(AT)
Estuarine nutrient sources and loading
Taylor Moore
Email: taylorrm(AT)
Phytate transformation in soils
Tony (Anthony) Hollenback
Email: tonyh(AT)
Stereo-transformation degradation, method development
Xiaolu Li
Email: lixiaolu(AT)
P flux and transformation across sediment-water interface
Visiting student from Huazhong Ag University
Zhaohua Jiang
Email: zhaohuaj(AT)
Bioavailability and cycling of P in soils


B. Past laboratory members

Postdoctoral Associates:

1. Dr. Mingjing Sun (2015-19), Currently: Assistant Professor, Emporia State University, KS
2. Dr. Jiying Li (2015-16), Currently: Assistant Professor, Hong Kong University of  Science and Technolgy, Hong Kong
3. Dr. Kevin (Dengjung) Wang (2014-16). Currently: Professor, Nanjing University, China
4. Dr. Avula Balakrishna (2014-15), Currently: Associate Professor and Chair, Rajeev Gandhi Memorial College of Engineering & Technology, India
5. Dr. Sitindra Dirghangi (2013-14), Currently: Assistant Professor, Indian Institute of Science and Technology, India
6. Dr. Wei Li (2012-13), Currently: Professor, Nanjing University, China
7. Dr. Xioana Li (2012-13), Currently: Analytical laboratory manager, Montclair University, NJ

Graduate Students:

1. Qiang (Ted) Li (PhD, 2015-2020), Currently: Postdoctoral Associate, University of Wisconsin, WI
2. Hui Li (PhD, 2013-18), Currently: Postdoctoral Associate, Oak Ridge National Laboratory, TN
3. Sunendra Joshi  (PhD, 2011-16), Currently: Postdoctoral Associate, University of Kentucky, KY
4. Yuge Bai  (MS, 2014-16), Currently: PhD student, University of Tubingen, Germany
5. Kristi Bear (MS, 2014-16), Currently: Soil Scientist, USDA-ARS, UT
6. Kiran Upreti (MS, 2011-13), Currently: PhD student, Louisiana State University, LA
7. Jiangqi Wu (MS, 2012-14), Currently: Soil Scientist, New Zeland Soil Survey, New Zeland

Visiting Students and Scientists:

1. Dr. Guanglong Liu (visiting scientist, Aug 2018-Sep 2018), Associate Prof, Huazhong Agricultural University, Wuhan, China
2. Dr. Hezhong Yuan (visiting scientist, Oct 2017-Nov 2018), Associate Prof, Nanjing Institute of Science and Technology, Nanjing, China
3. Dr. Yu Wang (visiting scientist, Oct 2017-Dec 2017), Associate Prof, Institute of Soil Sciences, Chinese Academy of Sciences, Nanjing, China
4.  Hamed Arfania (visiting student, May 2017-Feb 2018). Urmia University, Iran

Undergraduate Students:

1. Kelsey McCullough (Undergraduate intern, 2017-18), Currently: Environmental company, DE
2. Tristum Williams (Undergraduate EPSCoR Intern, 2016), Currently: Undergrad student, Florida A&M University, FL
3. Ashley Deny (Undergraduate EPSCoR Intern, 2015), Currently: —
4. Ha Vu (Undergraduate EPSCoR Intern, DENIN Fellow 2014-16), Currently: Chemist, UFloor System, Dover DE
5. Awet Negusse (Undergraduate Intern, 2014), Currently: Chemist, Evans Analytical Group, MD
6. Thanh T. Nguyen (Undergraduate EPSCoR Intern, 2013-14), Currently: PhD student, Delaware State University, DE
7. Michael Scharf (Undergraduate Intern, 2012-13), Currently: MS student, University of Scranton, PA