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UCI Aerosol Photochemistry Group   
University of California at Irvine   Department of Chemistry   
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Research Group: Current Group Members

Graduate Students
Undergraduate Students
Principal Investigator


Graduate Students and Postdocs

Avery Dalton Avery Dalton came to UCI after graduating from the University of North Florida in 2019. He is interested in all things aerosol, and the eternal fame and glory that invariably come to everyone who joins the aerosol photochemistry group. He is investigating photochemistry of nitrophenols (and nitroaromatic compounds in general), important air pollutants, in solid matrices and in solutions.
Lena Gerritz Lena Gerritz joined UCI after graduating from the University of North Carolina - Chapel Hill in 2021. She is working on chemistry of reactive oxygen species in biomass burning aerosol as a joint member of the Nizkorodov group and the Shiraiwa group. In her free time, Lena likes to explore the outdoors hiking, running, and skiing and is always up for a game of pick up soccer.
Katherine Hopstock Katherine Hopstock is a proud member of the UCI graduating class of 2019. She is working on chemistry of smoke produced by burning biomass as well as urban materials. What could be more exciting than being able to find one million compounds in a mass spectrum? Having to deal with one million of such mass spectra!
  Anthony Jue completed his B.S. and M.S. studies in Chemistry at the University of California, San Diego in 2023. Once he saw the smog chamber in our lab his fate was sealed. Anthony is going to work on photochemical aging of organic aerosols.
Lucia Liu Lucia Liu joined the group in the Fall of 2021 as an undergraduate student. After getting her BS in Chemistry, with a minor in Psychology from UCI. She stayed in the group as a researcher and started her graduate training in the fall of 2022, under the joint advising by Prof. Celia Faiola and Prof. Sergey Nizkorodov. She loves cats, mass spectrometers, smog chambers, and science!
Luis Ruiz Armenta Luis Ruiz Armenta is a 2022 Chemistry graduate of California State University Long Beach. He wants to help improve our environment by doing atmospheric chemistry research, and he could not have picked a better place for it! His PhD is on (photo)chemistry of smoke from burning of typical construction materials, which tends to dominate air pollution during fires at the wildland-urban interface.
  Matt Zaragoza graduated with a B.S. degree in Chemistry in 2023 from University of Virginia, where he studied microplastic concentrations in remote streams. Matt is jointly advised by Prof. Annmarie Carlton and Prof. Sergey Nizkorodov, working on chemical interactions of biomass burning aerosol with cloud and fog water droplets. Matt is enjoying exercising, which is handy as we have a lot of heavy objects in the lab.

Undergraduate and Post-Bac Students

Eleanor Miko Avisa Charmchi joined the group in as the 2024-25 Beckman Scholar. She is going to work on chemical mechanisms of oxidation of mixtures of VOCs, in collaboration with the group of Prof. Celia Faiola.
  Noam Levi, a UCI Chemistyr major, joined the group in the fall of 2024 to work on analysis of biomass and structural material burning smoke
Eleanor Miko Eleanor Miko joined the group in winter quarter 2023 to work with Avery Dalton on photochemistry of atmospheric compounds at aqueous-organic interfaces.


Sergey Nizkorodov Sergey Nizkorodov received his education in physical chemistry from the Novosibirsk State University, followed by PhD in Basel University, and two postdoctoral appointments at JILA and Caltech before starting the Aerosol Photochemistry Group at UCI. More details can be found in his full CV.

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