Data and/or presentations/publications in Guo’s recent research projects:

Degradation Products and Changes in Colloidal Properties of Microplastics/Microfibers During Photochemical Weathering (2022-2025, PI, supported by National Science Foundation / Division of Chemistry, project #2204145)

• Schutte, M.M., Kteeba, S.M. and Guo, L. 2024. Photochemical reactivity of water-soluble dissolved organic matter derived from microplastics and microfibers. Science of the Total Environment, 911, 168616 https://doi.org/10.1016/j.scitotenv.2023.168616
• Ahmed, A.S.S., Billah, M.M., Mohammad Ali, M, Bhuiyan, M.K.A., Guo, L., Mohinuzzaman, M., Hossain, M.B., Rahman, M.S., Islam, M.S., Yan, M. and Cai, W. 2023. Microplastics in aquatic environments: A comprehensive review of toxicity, removal, and remediation strategies. Science of the Total Environment, 876, 162414. https://doi.org/10.1016/j.scitotenv.2023.162414.
• Gibbs, S.J., Kteeba, S.M. and Guo, L. Photochemical degradation of disposable face masks and polypropylene in the environment. Presentation at the 15th Annual UWM Undergraduate Research Symposium. April 28th, 2023.
• Schutte, M.P., Kteeba, S.M. and Guo, L. 2023. Yields, characterization and photochemical reactivity of water-soluble dissolved organic matter from microplastics and microfibers. Oral presentation at the 2023 ACS Fall Meeting, August 13-17, 2023. San Francisco, CA (Abstract ID: 3908504).
• Kteeba, S.M. and Guo, L. 2023. Photochemical behavior and degradation products of microfibers in freshwater environments. Oral presentation at the 2023 ACS Fall Meeting, August 13-17, 2023. San Francisco, CA (Abstract ID: 3920637).

Sources and deposition of phosphorus in Lake Michigan (2020-2022, PI, supported by UWM’s Discovery and Innovation Grant Program)

• Yang, B., Lin, H., Bartlett, S.L., Houghton, E.M., Robertson, D.M. and Guo, L. 2021. Partitioning and transformation of organic and inorganic phosphorus among dissolved, colloidal and particulate phases in a hypereutrophic freshwater estuary. Water Research, 196, 117025. https://doi.org/10.1016/j.watres.2021.117025.
• Guo, L., Lin, P., Klump, J.V. 2023.  Fluxes and transformation of sedimentary phosphorus in Green Bay, a hypereutrophic freshwater estuary. Goldschmidt 2023 Conference, 9-14 July, Lyon France. Abstract # 17050.
• Guo, L., Lin, P., Klump, J.V., Bartlett, S,L. and Robertson, D.M. 2023. Chemical speciation, transformation, and deposition of phosphorus in Green Bay, Lake Michigan. Phosphorus: Lessons from 10+ Years of Numeric Standards for Wisconsin Waters. February 7, 2023, Monona Terrace, Madison WI.
• Lin, H., Bartlett, S.L. and Guo, L. 2023. Distinct variations in fluorescent DOM components along a trophic gradient in the lower Fox River-Green Bay as characterized using one-sample PARAFAC approach. Science of the Total Environment, 902: 165891. https://doi.org/10.1016/j.scitotenv.2023.165891
• Yuan, F., DiBiasio, E., Mayer, B. and Guo, L. 2023. Chemical and isotopic constraints on carbon and sulfur dynamics in Lake Erie nearshore waters. Journal of Great Lakes Research. https://doi.org/10.1016/j.jglr.2023.07.005
• Lin, P., Klump, J.V., and Guo, L. 2023. Chemical speciation, reactivity and long-term burial of sedimentary phosphorus in a seasonally hypoxia-influenced freshwater estuary. (submitted).

Role of Dissolved Organic Matter in Regulating the Sorption of Per- and Polyfluoroalkyl Substances (PFAS) by Engineered Adsorbents (2022-2024, Co-PI with Drs. Y. Wang and S. Xu, supported by UWM’s Discovery and Innovation Grant program)

• Ryan, D., Baldus, C., Samuels, M., Kteeba, S.M., Dong, Q., Wang, Y., Guo, L., Mayer, B., and McNamara, P. 2024. Peroxi-electrocoagulation for PFAS mitigation: The impact of water quality and dissolved organic matter on removal pathways. (submitted).
• Li, D., Lin, H. and Guo, L. 2023. Comparison of molecular weight distributions and size-dependent optical properties among model and reference natural dissolved organic matter. Environ. Sci. Poll. Res.,  30, 57638–57652.  https://doi.org/10.1007/s11356-023-26398-3
• Lin, H., Bartlett, S.L. and Guo, L. 2023. Distinct variations in fluorescent DOM components along a trophic gradient in the lower Fox River-Green Bay as characterized using one-sample PARAFAC approach. Science of the Total Environment, 902: 165891. https://doi.org/10.1016/j.scitotenv.2023.165891

Micro- and nano-plastics as vectors for the transport of organic contaminants in freshwater environments (2020-2022, PI, with Co-PI Prof. Joel Pedersen, Supported by Freshwater Collaborative of Wisconsin)

• Schutte, M. 2022. Investigating Microplastics Size Distribution and Fate in Aquatic Environments. Presentation at the Fall 2022 Internship Symposium, December 15, 2022.
• Gibbs, S.J., Kteeba, S.M. and Guo, L. 2023. Photochemical degradation of disposable face masks and polypropylene in the environment. Presentation at the 15th Annual UWM Undergraduate Research Symposium. April 28th, 2023.
• Sollberger, M., Weidert, D., Kteeba, S.M. and Guo, L. 2023. Evaluating the photochemical degradation of biodegradable plastics. Poster presentation at the annual UR@UWM symposium. University of Wisconsin-Milwaukee, Milwaukee, August 4, 2023.

Deposition and removal of emerging contaminants in the Milwaukee Estuary Area of Concern (2023-2025, with Dr. Inna Popova (PI), Supported by Freshwater Collaborative of Wisconsin)

Funding Support

	Freshwater collaborative of Wisconsin 2020-2022 2023-2025
	National Science Foundation Division of Chemistry
	Discovery and Innovation Grant (DIG) Program