AUTHOR=Wang Jianan , Nayak Gaurav , Bruggeman Peter J. TITLE=OH density and water vapor concentration gradients during plasma-droplet interactions JOURNAL=Frontiers in Physics VOLUME=Volume 13 - 2025 YEAR=2025 URL=https://www.frontiersin.org/journals/physics/articles/10.3389/fphy.2025.1592169 DOI=10.3389/fphy.2025.1592169 ISSN=2296-424X