People

Dr. Laodong Guo

Principal Investigator

Tel: (414)-382-1742

E-mail: guol@uwm.edu 

Personal webpage

School website

 

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.

Mr. Joshua Swigart
Graduate Student (PhD)
E-mail: swigart@uwm.edu
Research Interest: Produced Water Recycling and rare metal recovery.  News from Spectrum

Ms. Samantha Krueger

Graduate Student

Email: krueg587@uwm.edu

Projects: Fate and Transport of emerging contaminants (microplastics and PFAS), Characterization of dissolved organic matter (DOM), and Sediment Geochemistry.

Mr. Samuel Broadnax

Master Student

E-mail: broadna8@uwm.edu

Projects: Stable C&N isotopes, sedimentary phosphorus

Mr. Miles Carlson

Undergraduate Research Fellow (SURF Recipient)

Email: carls456@uwm.edu

Characterization of DOM released from PVC under different leaching conditions

Ms. Kaitlyn Suchomel

Undergraduate Research Fellow (SURF Recipient)

Email: suchome9@uwm.edu

Molecular weight distribution and chemical characterization of DOM released from microplastics

2025 Freshwater@UW summer intern

2025 ACS Project-SEED summer intern

Group photos

Onboard R/V Neeskay 2022

Group photo-2018

2018

Group photo 11122015_Guo iphone

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

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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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