June 8, 2020: Phase I of research resumption at 20% density begins.
March 31, 2020: Congratulations to Olivia Werba on receiving the NSF Graduate Research Fellowship!
March 13, 2020: Laboratory research halted due to COVID-19. Research continuing with the team fully engaged in writing up papers, carrying out theoretical calculations, and planning future research.
January 1, 2020: The Lester group welcomes new first year graduate students Meijun Zou and Olivia Werba (joint with Subotnik) to the group.
September 26, 2019: Congratulations to Victoria Barber on completing her PhD with thesis entitled “Probing the Unimolecular Decay of Atmospherically Important Criegee Intermediates”. She is now a postdoctoral scholar at MIT with Jesse H. Kroll.
September 20, 2019: Anne Reinholdt won the SCIENCE PhD award given by University of Copenhagen for her thesis: Hydrogen bond characterisation with infrared spectroscopy. Link.
July 25, 2019: Victoria Barber was selected to attend the ACCESS XV colloquium (Atmospheric Chemistry Colloquium for Emerging Senior Scientists), where she will be presenting her PhD work on the unimolecular reactions of Criegee intermediates. She will also attend the Gordon Research Conference in Atmospheric Chemistry.
July 12, 2019: Congratulations to Michael Vansco, who received a poster prize at the DMC conference!
July 7, 2019: Michael Vansco, Anne S. Hansen, and Marsha Lester will attend the Dynamics of Molecular Collisions Conference, where they will present some of their new work on Criegee intermediates.
April 29, 2019: Congratulations to Vincent Esposito on receiving the NSF Graduate Research Fellowship!
March 6, 2019: Congratulations to Victoria Barber, Shubhrangshu Pandit, Vincent Esposito and Marsha Lester on the publication of their paper “CH Stretch Activation of CH3CHOO: Deep Tunneling to Hydroxyl Radical Products” in The Journal of Physical Chemistry A!
February 22, 2019: The Lester group welcomes visiting prospective graduate students to UPenn!
January 4, 2019: The Lester group welcomes our new Postdoctoral Fellow, Anne S. Hansen, who comes to us from Prof. Henrik Kjaergaard’s group at the University of Copenhagen.
January 1, 2019: The Lester group welcomes new first year graduate students Tianlin Liu, Ziao Liu, and Mac Schumer to the group.
December 28, 2018: Congratulations to Michael Vansco, Barbara Marchetti, and Marsha Lester on the publication of their paper “Electronic spectroscopy of methyl vinyl ketone oxide: A four-carbon unsaturated Criegee intermediate from isoprene ozonolysis” in the Journal of Chemical Physics!
August 3, 2018: Congratulations to Victoria Barber, Shubhrangshu Pandit, Amy Green, and Marsha Lester on the publication of their paper “Four-Carbon Criegee Intermediate from Isoprene Ozonolysis: Methyl Vinyl Ketone Oxide Synthesis, Infrared Spectrum, and OH Production” in JACS!
July 28, 2018: Shubhrangshu Pandit will give a talk at the Gordon Research Seminar on Vibrational Spectroscopy on his work on the methyl vinyl ketone oxide Criegee intermediate.
July 7, 2018: Victoria Barber and Mike Vansco will attend the Gordon Research Conference on Molecular Interactions and Dynamics, where they will present some of their recent Criegee intermediate research.