Pratt Lab :: Environmental and Analytical Chemistry
Pratt Lab News Feed
November 17, 2023: Ph.D. students Judy, Andrew, Emily, and Logan presented virtual posters at the 1stIGAC-iCACGP ECR virtual conference. Great work, everyone!
November 9, 2023: Ph.D. students Logan, Emily, Judy, and Andrew gave oral presentations at the 2023 ANACHEM symposium in Livonia, MI. Congratulations to Judy and Andrew for being recognized as top presenters in their sessions! Great job, everyone!
October 30, 2023: Ph.D. student James from Prof. Cassie Gaston’s group at the University of Miami arrives in Ann Arbor to begin aerosol flow tube experiments. Welcome, James!
October 21, 2023: Ph.D. student Judy presented at the Michigan Space Grant Consortium conference in Kalamazoo, Michigan. Great job, Judy!
October 20, 2023: Prof. Pratt presents at the Kopelman symposium in honor of the life and scientific legacy of Prof. Raoul Kopelman.
October 17, 2023: The Pratt lab paints pumpkins to celebrate Fall!
October 14, 2023: Post-doctoral researcher Jessica gave a presentation at Scientist in the Forum at the UM Museum of Natural History. Great job, Jessica!
September 25 - 29, 2023: Prof. Pratt travels to Singapore to participate in the scientific steering committee meeting of the International Global Atmospheric Chemistry (IGAC) Project.
September 13, 2023: Welcome new first-year Chemistry Ph.D. student rotators – Anya, Izabella, and Ali!
September 8 - 11, 2023: Prof. Pratt visits the University of Grenoble-Alpes and participates in the 2nd CIce2Clouds workshop in Grenoble, France.
September 4 - 7, 2023: Prof. Pratt visits Stockholm University and gives an oral presentation at the 4th MOCCHA (Arctic Ocean 2018) Field Campaign Workshop in Stockholm, Sweden.
August 28, 2023: Welcome to Tiantian Zhu, a first-year Ph.D. student in the Dept. of Earth & Environmental Sciences!
August 8, 2023: Prof. Pratt gave an invited plenary presentation at the DOE ARM/ASR PI meeting in Rockville, Maryland.
August 7 - 11, 2023: Prof. Pratt and post-doctoral researcher Vanessa attended the ARCSIX field campaign planning workshop.
August 3, 2023: D-RISE student presents an exhibit at an educational event for children at the UM Museum of Natural History!
July 30 - August 4, 2023: Prof. Pratt attended and presented a poster at the Gordon Research Conference on Atmospheric Chemistry in Newry, Maine.
July 28, 2023: Ph.D. student Emily receives the NASA FINESST (Future Investigators in NASA Earth and Space Science and Technology) award, a 3-year fellowship!
July 28, 2023: Ph.D. student Logan gave an oral presentation and Ph.D. students Judy, Andrew H., Monica D., and Kelsey present posters at the Karle symposium. Logan received a 2nd place oral presentation award. Great job, everyone!
July 27, 2023: Previous member Stephen McNamara returns to UofM to participate in the Alum|NUM event and visits our lab!
July 27, 2023: Undergraduate researchers Hailey and Monica M. and D-RISE high school student present posters at the URAN|UM symposium.
July 26, 2023: Prof. Pratt was selected as a finalist for the 2023 Blavatnik National Awards for Young Scientists, a prestigious award for "America's most innovative, faculty-ranked scientists and engineers." Congratulations, Prof. Pratt!
July 4, 2023: Ph.D. student Emily begins field research with the Ault lab in Connecticut as part of the AEROMMA (Atmospheric Emissions and Reactions Observed from Megacities to Marine Areas) field campaign.
June 26, 2023: A D-RISE high school student begins her summer internship in the Pratt Lab. Welcome!
June 22, 2023: The Pratt and Ault labs have a joint summer party to celebrate another successful semester!
June 12, 2023: Dr. Andrew Jensen joins the Pratt lab as a postdoctoral fellow. He recently received his Ph.D. in Chemistry at UC-Boulder. Welcome, Andrew!
June 5 - 7, 2023: Dr. Vanessa Selimovic and Dr. Pratt attend and give presentations at the PACES (air Pollution in the Arctic: Climate, Environment, and Society)
Open Science meeting in Helsinki, Finland!
June 5, 2023: Welcome to incoming Ph.D. student Kelsey Ramp, who begins her summer Pratt lab rotation!
May 30, 2023 – June 2, 2023: Sophie Kitsick from Ilisagvik College visits Michigan!
May 25, 2023: The Pratt lab paints penguins to celebrate Prof. Pratt's promotion!
May 18, 2023: Prof. Pratt is promoted to Full Professor. Congratulations Prof. Pratt!
May 9 – 12, 2023: Prof. Pratt, Monica D., Vanessa, and Graham attend the CIMS Users Meeting.
May 11, 2023: Dr. Graham Frazier joins the Pratt group as a postdoctoral fellow. He recently received his Ph.D. in Chemistry at Virginia Tech. Welcome, Graham!
May 9, 2023: Chemistry Ph.D. student Monica Dibley officially joins the Pratt lab. Welcome!
May 8, 2023: Judy completes her 4th year data meeting. Congratulations, Judy!
April 29, 2023: Congratulations to Evelyn on graduating with honors from the University of Michigan, receiving her B.S. in Chemistry with a minor in Earth Science!
Evelyn also received the ACS Analytical Chemistry Award. She will go on to to pursue a PhD in chemistry at the University of Wisconsin-Madison!
April 21, 2023: Prof. Pratt visited and gave an invited seminar in the School of Marine and Atmospheric Sciences at Stony Brook University.
April 19, 2023: Congratulations to undergraduates Monica and Ella on receiving U-M Chemistry May-Walt Summer Research Scholarships,
Chadwin on receiving the U-M Chemistry Walter Yates Award, and Hailey on receiving the U-M Arctic Internship Fellowship. All of them will be conducting research this summer!
March 29-30, 2023: Prof. Pratt traveled to the Pacific Northwest National Laboratory (PNNL) and participated in the Environmental Molecular Sciences Laboratory (EMSL) Science & Technology Advisory Committee to provide guidance for the Department of Energy user facility.
March 29, 2023: Congratulations to Judy and Andrew on being awarded a Rackham Graduate Student Research Grant for financial assistance with their research projects!
March 27-30, 2023: Prof. Pratt, Judy, and Andrew presented talks at the “Approaching Atmospheric Chemistry from a Single Particle Perspective” Session, and Logan, Emily and Evelyn presented posters at the
ACS Spring 2023 Meeting in Indianapolis, IN.
March 16, 2023: Congratulations to Ph.D. candidate Emily Costa on passing her gateway exam, an important milestone in her PhD career!
March 14, 2023: Congratulations to Ph.D. candidate Logan Forshee on passing her gateway exam, an important milestone in her PhD career!
March 1, 2023 Dr. Vanessa Selimovic joins the Pratt group as a postdoctoral fellow. She received her Ph.D. in Environmental/Analytical Chemistry at the University of Montana! Welcome, Vanessa!
February 22, 2023 Congratulations to Judy, who just received news that she was awarded a $5k Michigan Space Grant Consortium Graduate Fellowship!
February 14, 2023 Postdoc Jessica presented her initial results on the “Identification and Chemical Composition of Sea Spray Aerosol during MOSAiC” at the 2nd MOSAiC Science Conference in Boulder, CO.
February 1, 2023 Undergraduate Ella Sobieszczyk joins the Pratt Lab to use Raman spectroscopy for the analysis of previous field campaign data. Welcome!
January 17, 2023 Undergraduate Hailey Kempf joins the Pratt Lab. She will be working on the analysis of previous field campaign data using microscopy. Welcome!
January 8 - 12, 2023 : Jessica presented her work on the "Characterization of Arctic Sea Spray Aerosol Particles from the Year-Long MOSAiC Expedition" at the 103rd AMS Annual Meeting in Denver, CO.
January 4, 2023 First-year Chemistry Ph.D. students Katie Barnes and Monica Dibley begin their rotations in the Pratt lab. Welcome!
December 12 - 16, 2022: Prof. Pratt presented a poster at the AGU 2022 Fall Meeting highlighting our group’s research results on aerosol sources, composition, and mixing state within the North Slope of Alaska oil fields!
Read the highlighted papers: Kolesar 2017, Gunsch & Liu 2020,
December 7, 2022: Congratulations to Andrew on completing his 3rd year seminar and receiving the Dept. of Chemistry 3rd Year Analytical Seminar Travel Award!
November 10, 2022: Prof. Pratt, and Ph.D. students Judy, Emily, and Logan attended the 2022 ANACHEM Symposium. Prof. Pratt gave an invited talk in
the award session in honor of Dr. Mark Meyerhoff. Judy and Logan gave oral presentations in Academic Research Sessions and Emily presented at the Graduate Poster Session.
Congratulations to Judy for being recognized as the top presentation in her session!
October 11: Prof. Pratt gave her department full professor promotion seminar, and we celebrated with dinner afterwards!
October 3 - 7: Ph.D. students Judy, Andrew, Emily, and Logan presented posters and postdoc Jessica gave an oral presentation at the 40th Annual AAAR Conference in Raleigh, NC.
October 3, 2022: Prof. Pratt was presented with the 2022 University of Michigan Faculty Recognition Award that recognizes mid-career faculty who have
demonstrated outstanding achievements in research, teaching, and service. Read more
September 26, 2022: Prof. Pratt gave a seminar, hosted by Assistant Professor Emanuela Gionfriddo, in the Department of Chemistry at the University of Toledo.
September 23, 2022: Congratulations to Judy, Andrew, Logan, and Emily on being awarded Rackham Conference Travel Grants for the AAAR conference in Raleigh, NC!
September 19, 2022: Prof. Pratt gave a seminar, hosted by Assistant Professor Jeff Geddes, at Boston University for the Biogeosciences Program.
September 11, 2022: Undergraduates Monica Mashkevich and Cheuk Yin Chadwin Ng join the Pratt Lab. They will be working on the analysis of previous field campaign data using microscopy. Welcome!
August 24-26, 2022: Prof. Pratt and PhD students Andrew, Logan, Emily (in person), and Judy (virtually) attend the ALPACA workshop at John Hopkins University in Baltimore, MD.
August 18, 2022: Previous member Matt Gunsch returns to UofM to participate in the 2022 Merck Michigan Symposium.
August 15, 2022: Undergraduate student Evelyn returns to the Pratt lab for her senior year, welcome back!
August 12, 2022: Ph.D. student Andrew gave an oral presentation and Ph.D. students Judy and Logan presented posters at the
2022 Karle Symposium. Andrew received a 3rd Place Oral Presentation award. Logan and Judy were also awarded with a Student Poster Presentation Award! Great job, everyone!
August 9, 2022: Congratulations to Dr. Jamy Lee on successfully defending her dissertation!
July 25, 2022: Prof. Pratt gave an invited virtual lecture to a summer school at Zheijiang University in China.
July 18, 2022: Prof. Pratt gave one of two joint talks between the Telluride Workshops on New Insights into
Gas-phase Atmospheric Chemistry and Organic Particles in the Atmosphere: Formation, Properties, and Impact.
June 29, 2022: The Pratt Lab tie-dyes custom t-shirts to celebrate Pride month! Thank you Emily for organizing such a fun event!
May 31, 2022: Postdoc Natasha finishes her position at Michigan and is moving to Switzerland!
May 11, 2022: Enjoying the warm weather outdoors!
May 11, 2022: Prof. Pratt gave an invited talk in the “Polar halogen chemistry and interlinked processes” Session at the virtual CATCH Open Science Workshop.
May 9, 2022: Congratulations to Ph.D. candidate Andrew Holen for passing his gateway exam!
April 26, 2022: First-year Chemistry Ph.D. student David Gazdecki begins his rotation in the Pratt lab. Welcome!
April 25, 2022: Congratulations to Ph.D. student Emily on being awarded a Rackham Graduate Student Research Grant!
April 18, 2022: Chemistry Ph.D. students Emily Costa and Logan Forshee officially join the Pratt Lab. Welcome!
April 7, 2022: Undergraduate student Evelyn presented a poster at the Michigan Geophysical Union (MGU) Symposium.
September 24, 2021: Congratulations to Judy and Andrew on being awarded Rackham Conference "Travel" Grants for their virtual AAAR participation!
September 17, 2021: Ph.D. student Kathryn and postdocs Daun and Jess gave 5 minute talks at the virtual IGAC (International Global Atmospheric Chemistry)
Project CATCH (Cryosphere and Atmospheric Chemistry) session. Only 11/34 abstracts were chosen to give these short talks to highlight their posters,
so congrats to Kathryn, Daun, and Jess!
September 13, 2021: Welcome to first-year Chemistry Ph.D. students Scarlet Aguilar Martinez, Emily Costa, Logan Forshee, Karis Barnett, Rebecca Parham, and Ian Bain, who begin their fall
rotations in the Pratt lab!
September 10, 2021: Congratulations to Prof. Pratt on receving the American Geophysical Union's Atmospheric Sciences Ascent Award!
August 2, 2021: Dr. Hannah Kenagy joins the Pratt group as a postdoctoral fellow. She recently received her Ph.D. in Chemistry at UC Berkeley! Welcome, Hannah!
July 30, 2021: Ph.D. student Jamy gave a virtual oral presentation and Ph.D. students Kathryn, Judy, and Andrew presented virtual posters the
2021 Isabella & Jerome Karle Symposium. Kathryn and Judy were also awarded with Student Poster Presenter Awards!
Good work, Kathryn and Judy!
July 29, 2021: Undergraduate researcher Evelyn presented a virtual poster at the URAN|UM poster session.
May 5, 2021: Ph.D. student Judy passes candidacy and is now a Ph.D. candidate at the University of Michigan!
May 1, 2021: Congratulations to undergraduate researcher Jonathan Tong on graduating with a B.S. in Chemistry and receiving the Dept. of Chemistry 2021
American Institute of Chemists Award. Jonathan plans to attend medical school following graduation!
April 29, 2021: Congratulations to Ph.D. student Kathryn for being awarded the Dept. of Chemistry Wayne & Carol Pletcher Graduate Summer Fellowship!
April 28, 2021: Congratulations to Ph.D. student Kathryn on receiving the Dept. of Chemistry 3rd Year Analytical Seminar Travel Award!
April 27, 2021: Prof. Pratt is awarded a LSA Associate Professor Support Fund grant through the Margaret and Herman Sokol Faculty Awards!
April 26, 2021: Chemistry Ph.D. student Andrew Holen officially joins the Pratt Lab as a Ph.D. candidate.
Andrew received his B.A. in ACS Chemistry from Concordia College. Welcome, Andrew!
April 22, 2021: Congratulations to undergraduate researcher Evelyn on being awarded a U-M LSA Summer Internship Fellowship for
summer research in the Pratt Lab!
April 16, 2021: Ph.D. student Judy gave a virtual oral presentation at the Michigan Geophysical Union (MGU) Symposium.
Undergraduate researchers Jonathan, Laura, and Evelyn presented virtual posters.
April 12, 2021: Congratulations to former Ph.D. student and postdoc Dr. Stephen McNamara, former postdoc Dr. Qianjie Chen,
former visiting PhD student (from ETH Zurich) Dr. Jacinta Edebeli, Ph.D. student Kathryn Kulju, former D-RISE high school student Jasmine Mumpfield,
and Prof. Pratt on their publication "Observation of N2O5 Deposition and ClNO2
Production on the Saline Snowpack" in ACS Earth & Space Chemistry!
March 20, 2021: Postdoc Jess and undergraduate student Evelyn presented a talk developed through the Science Communication Fellows
Program at the University of Michigan’s Meet a Scientist Virtual Event!
January 11 - 12, 2021: Prof. Pratt gave an invited talk at the 23rd Conference on Atmospheric Chemistry and presented a poster at the 22nd Conference
on Air-Sea Interaction Arctic Aerosol composition during the AMS (American Meterological Society) Annual Meeting.
October 8, 2020: Ph.D. student Judy presents a poster at the virtual AAAR (American Association for Aerosol Research) Annual Conference!
October 1, 2020: We are excited for the start of our Pacific Northwest National Laboratory Environmental Molecular Sciences Laboratory (PNNL EMSL)
user facility grant to collaborate with Dr. Swarup China!
September 15, 2020: We are excited for the start of our new collaborative NSF grant "Collaborative Research: Chemistry in the Arctic -
Clouds, Halogens, and Aerosols (CHACHA)" for an aircraft field campaign in northern Alaska in 2022!
September 14, 2020: New Chemistry Ph.D. students Andrew Holen and Bridget Murray begin their rotations in the Pratt lab. Welcome!
September 4, 2020:Prof. Pratt gave a virtual seminar as part of the North Carolina State University Analytical Seminar Series.
September 1, 2020: We are excited for the start of our new collaborative NOAA grant "Wintertime Halogen Chemistry in Polluted, Inland,
Urban Environments" with Prof. Cassandra Gaston at the University of Miami (Coral Gables, FL)!
September 1, 2020: Former Pratt Lab Ph.D. student Dr. Rachel Kirpes finished her one-year National Academy of Sciences Gulf Research Program
Science Policy Fellowship and started as a Scientist at EPA Region 5 Air Programs Branch in Chicago. Best wishes, Rachel!
September 1, 2020: Dr. Jessica Mirrielees joins the Pratt group as a postdoctoral fellow. She recently received her Ph.D. in
Atmospheric Sciences from the lab of Prof. Sarah Brooks at Texas A&M! Welcome, Jessica!
August 31, 2020: Welcome back undergraduate researchers Laura Lorenger, Jonathan Tong, and Evelyn Widmaier.
Congratulations Evelyn on being accepted into the Research Scholars Program!
August 15, 2020: We are excited for the start of our new collaborative NSF grant "Collaborative Research: Greater NY Oxidant, Trace gas,
Halogen, and Aerosol Airborne Mission (GOTHAAM)" for an aircraft field campaign based on Long Island, NY in 2022!
August 2020: Postdoc Dr. Rachel Hems gave an invited talk at the ACS Fall 2020 Virtual Meeting in the "C. Ellen Gonter Environmental
Graduate Student Award Symposium", and Prof. Pratt gave an invited talk in the "Showcasing Emerging Investigators and Future Perspectives: A
Symposium by the RSC Environmental Science Journals" session.
July 31, 2020: Ph.D. students Jamy and Judy presented posters at the
2020 Virtual Karle Symposium. Jamy was also awarded with a Student Poster Presentation Award! Great job, Jamy!
February 13, 2020: Ph.D. students Kathryn and Nikki traveled to Oliktok Point, AK to begin the Arctic CLOROX (ChLoRine OXidation)
ARM field campaign, funded by NSF and DOE ARM and in collaboration with Dr. Andy Lambe at Aerodyne Research.
February 3, 2020: Dr. Rachel Hems joins the Pratt group as a postdoctoral fellow. Rachel recently received her Ph.D. in
Environmental Chemistry from the University of Toronto in Prof. Jonathan Abbatt’s group. Welcome, Rachel!
January 2020: Ph.D. students Kathryn and Nikki and Postdoc Daun visited Aerodyne Research for training as part of a new collaboration
with Dr. Andy Lambe. We are excited to start our new NSF grant "RAPID: Collaborative Research: Atmospheric Chlorine Oxidation of Hydrocarbons Emitted
from the North Slope of Alaska Oil Fields".
January 1, 2020: Ph.D. student Nicole Perkins joins the Pratt Lab, jointly advised by Paul Zimmerman. Welcome, Nikki!
January 2020: Prof. Pratt gave the evening lecture at the Greater Boston Mass Spectrometry Discussion Group in Burlington, MA.
She also gave an invited talk at the Pacific Conference on Spectroscopy and Dynamics in San Diego, CA.
January 2020: Ph.D. student Kathryn presented a poster and Prof. Pratt gave an invited talk at the 100th Annual American Meteorological
Society Meeting in Boston, MA. Prof. Pratt co-organized the session "Atmospheric Halogen Chemistry and its Impacts” with Prof. Jose Fuentes (Penn State University)
and Prof. Paul Shepson (Stony Brook University).
November 26, 2019: We are excited for the start of our Pacific Northwest National Laboratory Environmental Molecular Sciences Laboratory
(PNNL EMSL) user facility grant to collaborate with Dr. Swarup China!
November 13, 2019: Ph.D. student Kathryn passed candidacy and is now a Ph.D. candidate at the University of Michigan!
November 7, 2019: Ph.D. student Kathryn gave an oral presentation at the ANACHEM (Association of Analytical Chemists)
meeting in Livonia, Michigan and received a Student Presentation Award. Congratulations Kathryn!
October 14 - 18, 2019: Ph.D. student Jamy presented a poster at the AAAR (American Association for Aerosol Research)
Annual Conference in Portland, OR!
October 8 - 10, 2019: Postdoc Dr. Jun Liu gave a talk at the PNNL EMSL 2019 Integration - Plants, Soil and Aerosols meeting in Richland, WA.
October 1, 2019: We are excited for the start of our new collaborative NSF grant "Collaborative Research: NNA Track 1:
Sustainably Navigating Arctic Pollution Through Engaging Communities (SNAP-TEC)” for participation in the
ALPACA (ALaskan Pollution And Chemical Analysis) field campaign in Fairbanks, AK!
October 1, 2019: Dr. Daun Jeong joins the Pratt group as a postdoctoral fellow.
Daun recently received her Ph.D. in Earth System and Science from the University of California, Irvine in Prof. Saewung Kim’s group. Welcome, Daun!
October 2019: As the annual S. Dexter Squibb Distinguished Lecturer, Prof. Pratt gave a Chemistry Lecture
and Public Lecture at the University of North Carolina, Asheville.
August 2019: Prof. Pratt gave a talk at the ACS Fall Meeting in San Diego, CA.
July 28 - August 2, 2019: Postdoc Qianjie and Prof. Pratt presented posters at the Gordon Research Conference on
Atmospheric Chemistry in Newry, Maine.
July 25 - 28, 2019: Postdoc Dr. Qianjie Chen was selected and participated in the 15th ACCESS (Atmospheric Chemistry Colloquium for
Emerging Senior Scientists) at Brookhaven National Laboratory. Congratulations Qianjie!
May 13, 2019: Congratulations to Ph.D. student Rachel for receiving the Department of Chemistry George Ashworth Analytical Chemistry Fellowship!
May 5, 2019 Congratulations to undergraduate student Claire Mattson on earning her Bachelor’s Degree in Biochemistry.
Claire now works at the Legal Council for Health Justice in Chicago, IL as the AmeriCorps Healthy Futures VISTA (Volunteers in Service to America (VISTA)
to better identify and provide services to children with chronic, disabling, and stigmatizing health conditions. Best wishes, Claire!
April 4-5, 2019: Prof. Pratt gave the keynote lecture at the QuIESCENT (Quantifying the Indirect Effect: from Sources to Climate
Effects of Natural and Transported aerosol in the Arctic) workshop in Cambridge, UK!
April 2019: Prof. Pratt gave a talk at the EGU meeting in Vienna, Austria and seminars in Chemistry at the University of Cambridge
(Cambridge, UK) and University of Wisconsin (Madison, WI).
March 26-29, 2019: Ph.D. student Rachel and Prof. Pratt present preliminary research results from the 2018 Oden icebreaker cruise at the MOCCHA
(Microbiology-Ocean-Cloud Coupling in the High Arctic) workshop in Stockholm, Sweden!
February 17, 2019: Ph.D. student Rachel gave a presentation at the AAAS Annual Meeting in Washington, DC.
February 2019: Prof. Pratt gave seminars at the University of Toronto and the University of Colorado, Boulder.
She also gave the monthly lecture for the Pittsburgh Spectroscopy Society in Pittsburgh, PA!
January 22-25, 2019: Ph.D. student Rachel Kirpes was selected to attend the 2019 Women in Mathematics & Public Policy Workshop in Los Angeles, CA!
January 2019: Prof. Pratt gave seminars in Chemistry at Harvey Mudd College (Claremont, CA), Environmental Science & Engineering at CalTech
(Pasadena, CA), Chemistry at UC-Irvine (Irvine, CA), Chemistry & Biochemistry at UC-San Diego (La Jolla, CA), and Chemistry at Texas A&M!