Carnegie Mellon University


May 2024

Congratulations to Sanjay Johnson on his successful talk at the Meeting of the Minds Undergraduate Research Symposium!

APRIL 2024

Congratulations to Sanjay Johnson on being award the NSF GRFP, and we wish him all the best for his future endeavors at MIT! 

MARCH 2024

Congratulations to Christine Troller on her successful presentation at the Steinbrenner Institute Sustainability Symposium! 
The Jen Lab was featured on CMU's Chemical Engineering website article, From fridge to lunchbox: Measuring sulfuric acid in the air, about the recent development of a compact and cost-effective instrument for measuring ambient sulfuric acid levels, which promises enhanced urban air quality monitoring and regulatory potential. 

February 2024

Congratulations to Darren Cheng on passing his proposal examination!

December 2023

Congratulations to Christine Troller on passing her proposal examination!
Welcome Katherine Pierre-Louis, Joy Kiguru, and Ziheng Zeng, our new graduate researchers, to the Jen Lab

september 2023

Congratulations to Dr. Jack Johnson for publishing a paper on sulfuric acid nucleation potential model applied to complex reacting systems in the atmosphere in Journal of Geophysical Research Atmospheres
Sulfuric Acid Nucleation Potential Model Applied to Complex Reacting Systems in the Atmosphere

June 2023

Congratulations to Dr. Coty Jen for receiving NSF funding to collaborate with Dr. Bryan Bzdek at the University of Bristol

May 2023

Dr. Sandra Fomete, Jen Lab aluma, published a paper on the limited role of malonic acid in sulfuric acid-dimethyl amine new particle formation in ACS Omega
Limited Role of Malonic Acid in Sulfuric Acid–Dimethylamine New Particle Formation

Welcome Amelia Jaffe, Ashley Hu, and Jacob Bryan, our new undergraduate researchers, to the Jen Lab

April 2023

Congratulations to Dr. Jack Johnson on passing his dissertation defense

Congratulations to Dr. Farrah Haeri on passing her dissertation defense

March 2023

Jack Johnson, published a paper on the role of methanesulfonic acid in sulfuric acid-amine and ammonia new particle formation in ACS Earth and Space Chemistry
Role of Methanesulfonic Acid in Sulfuric Acid–Amine and Ammonia New Particle Formation

October 2022

Dr. Sandra Fomete, Jen Lab aluma, published a paper on ion-molecule rate constants for reactions of sulfuric acid with acetate and nitrate ions in The Journal of Physical Chemistry A
Ion–Molecule Rate Constants for Reactions of Sulfuric Acid with Acetate and Nitrate Ions

September 2022

Jack Johnson, 5th year PhD student, presented at the International Aerosol Conference in Greece. He presented his recent research on methanesulfonic acid’s role in sulfuric acid-base nucleation

August 2022

Congratulations to Christine Troller on being awarded the Steinbrenner Doctoral Fellowship

June 2022

Congratulations to Dr. Sandra Fomete on passing her dissertation defense

Jack Johnson published a paper on a sulfuric acid nucleation potential model in Atmospheric Chemistry and Physics
A sulfuric acid nucleation potential model for the atmosphere

Sandra Fomete published a paper on the enhancement of alkanolamines on sulfuric acid nucleation in The Journal of Physical Chemistry A
Experimental and Theoretical Study on the Enhancement of Alkanolamines on Sulfuric Acid Nucleation

July 2021

Dr. Coty Jen has received an award from the Department of Energy (DOE) to conduct vertically-resolved measurements of atmospheric nucleation precursors.
Faculty earn DOE Awards for Atmospheric Research

MAY 2021

Sandra Fomete published a tutorial paper on nucleation in the Journal of Aerosol Science. This paper describes techniques to set up and operate a glass flow reactor to study atmospheric nucleation reactions.
A tutorial guide on new particle formation experiments using a laminar flow reactor

April 2021

Farrah Haeri on a field campaign in Blodgett forest to examine biomass burning emissions and how these emissions potentially impact air quality and human health. 
photo courtesy of Allen Goldstein, UC Berkeley

MARCH 2021

Congratulations to Dominic Casalnuovo on being awarded the National Science Foundation Graduate Research Fellowship (NSF-GRFP)

Congratulations to Jack Johnson on passing his proposal examination

February 2021

Congratulations to Sandra Fomete on being awarded the Carnegie Mellon University Presidential Fellowship

December 2020

Congratulations to Farrah Haeri on passing her proposal examination

August 2020

In the wake of the California wildfires, Dr. Coty Jen shares the dangers related to the air quality index, which is based on how much dust particles are in the air and can cause breathing issues and respiratory illness.

August 2020

Dr. Coty Jen is featured by USA Today where she comments on California's air quality following a series of wildfire events. 
California's air quality is worse than India's. That's not good in a pandemic

July 2020

Dr. Coty Jen and Dr. Ryan Sullivan Associate Professor of Chemistry and Mechanical Engineering at Carnegie Mellon discuss how masks can help prevent the spread of Covid-19 on the Shared Air podcast. Coty and Ryan also discuss their project to help protect nurses and doctors when treating COVID patients

July 2020

Dr. Coty Jen and Dr. Ryan Sullivan are featured in the College of Engineering news for their project on developing engineering solutions to keep doctors safe from COVID-19


Congratulations to Zach Kowalewski for his upcoming summer internship at Ramboll in San Francisco,CA

January 2020

Congratulations to Zach Kowalewski on being awarded the Gary Powers scholarship for his outstanding achievements in the chemical engineering department. 


Congratulations to Jack Johnson on being awarded the H.Robert Sharbaugh Presidential Fellowship in Chemical Engineering for his work on modeling atmospheric nucleation.

Congratulations to Sandra Fomete on being awarded the Neil and Jo Bushnell Fellowship from CIT for her work on atmospheric nanoparticles.

Congratulations to Sandra Fomete on passing her proposal examination


Congratulations to Sandra Fomete on being awarded the Gary Powers best poster award at the 2018 ChEGSA symposium.

September 2018

Congratulations to Dr. Coty Jen on winning the most prestigious early career in aerosol science, the Friedlander award.

June 2018

Congratulations to Sandra Fomete on receiving the Sigma Xi GIAR  research grant for her summer project on analyzing "The contribution of amine reactions to the organic nitrogen fraction in atmospheric aerosol particles."

Congratulations to Sandra Fomete on receiving the Carnegie Mellon Graduate Small Project Help (GuSH) research grant.