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Dr. Laodong Guo Principal Investigator Tel: (414)-382-1742 School website |
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Dr. Shimaa Kteeba Postdoctoral Research Associate Email: kteeba@uwm.edu or shimaakteeba@yahoo.com Research Interests: Microplastics/nanoplastics, nanotoxicity, dissolved organic matter, aquatic biogeochemistry, marine science. |
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Mr. Joshua Swigart |
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Ms. Samantha Krueger Graduate Student Email: krueg587@uwm.edu Projects: Fate and Transport of emerging contaminants (microplastics, PFAS and toxic metals). See link for Sam’s research. |
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Mr. Samuel Broadnax Master Student E-mail: broadna8@uwm.edu Projects: Stable C&N isotopes, phosphorus in sediments |
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Mr. Miles Carlson Undergraduate Research Fellow (SURF Recipient) Email: carls456@uwm.edu Characterization of DOM released from PVC under different leaching conditions |
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Ms. Kaitlyn Suchomel Undergraduate Research Fellow (SURF Recipient) Email: suchome9@uwm.edu Molecular weight distributions and chemical characterization of DOM released from microplastics |
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Ms. Molly Fox-Kincaid (UW-Madison) 2025 Freshwater@UW summer intern Project: Fate and transport of emerging contaminants: Effect of pH and leaching conditions on the yields and composition of plastic-derived DOM. |
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Ms. Rahmah Sajid 2025 ACS Project-SEED summer intern Project: Chemical characterization of microplastic-derived DOM and PFAS-DOM interactions. |
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| Group photos | |
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2025 (From left: Samantha, Molly, Rahmah, Shimaa, and Guo) |
 Onboard R/V Neeskay 2022 |
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 Group photo-2018 |
 2018 |
 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: Jianyu, Guo, Steve, Tarek, Bjorn, Z3, Peng, Aja, and Alex) |
 2014 (from left: Guo, Shimaa, Weifeng, Peng, Steve, Zhengzhen, and Tarek) |
 Lab photo — 2013 (from left: Guo, Chen, DeVilbiss, Zhou, Lin, Gao, Ni and Xin) |
 Group photo — 2013 (From left: Chen, Lin, Zhou, DeVilbiss, Guo, Ni, and Gao) |
 Lab Staff visiting Sea Dragon/Pangaea in Chicago (summer 2013, from left: Xin, Zhou, Fabino, Gaeth, Chen, and Lin) |
 Bjorn and Guo (Summer 2014, visiting Milwaukee beach) |
Group photo-2014 (Guo, Steve, Zhengzhen, Wei, Peng, Terek, Alex, and Bjorn)
Former members in Guo’s Lab
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