sahirgagan.bsky.social
@sahirgagan.bsky.social
Reposted
New paper from our EPA funded project to develop real-time analytical methods to measure airborne PFAS. Our TAMU team led this study. Congratulations to Professor Yue Zhang’s PhD student Sahir Gagan for leading this.

pubs.acs.org/doi/10.1021/...
Real-Time Identification and Quantification of Per- and Polyfluoroalkyl Substances Using High-Resolution Time-of-Flight Chemical Ionization Mass Spectrometry with Positive Reagent Ions
Per- and polyfluoroalkyl substances (PFAS) are emerging pollutants of concern, primarily due to their terminal degradation products, which exhibit environmental persistence and mobility. Several group...
pubs.acs.org
December 26, 2025 at 4:09 AM
Reposted
🎉 Congrats to PhD student Sahir Gagan from my group for publishing in ES&T! His new paper quantifies the atmospheric lifetime, aging, and CCN activity of nanoplastic particles, a major step in understanding their atmospheric & climate processes.

🔗 pubs.acs.org/doi/10.1021/...
Characterizing Atmospheric Oxidation and Cloud Condensation Nuclei Activity of Polystyrene Nanoplastic Particles
Nanoplastic particles (NPPs) are emerging anthropogenic pollutants and have been detected in urban, rural, and remote areas. Characterizing the lifetime, fate, and cloud-forming potential of atmosphe...
pubs.acs.org
May 30, 2025 at 9:47 PM