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Professor Julia Laskin's research focuses on obtaining a fundamental understanding of the physical chemical phenomena underlying chemical analysis of complex molecules and mixtures. Her work emphasizes the understanding of the interactions between ions and surfaces, specifically controlling activation, dissociation, and deposition during ion collisions on specially prepared surfaces. To achieve these goals, she has developed unique mass spectrometry instrumentation that allows for the study of the physical chemical phenomena related to ion-surface collisions. These studies play a crucial role in understanding molecular recognition, charge transfer, nucleation, and self-assembly in complex systems. Professor Laskin is also advancing the field of chemical analysis in complex heterogeneous environments. She is currently working on the development of nanospray desorption electrospray ionization (nano-DESI), a novel ambient surface ionization technique applicable for chemical imaging in biological systems in their native states, as well as for the quantitative analysis of complex mixtures including organic aerosols and biofuels directly from solid substrates. Her innovative tools for analyzing complex spectra achieved through high-resolution mass spectrometry have provided significant insights regarding chemical transformations in organic aerosols and their potential effects on climate and human health. Furthermore, nano-DESI imaging has emerged as a robust analytical tool for the simultaneous detection and spatial localization of hundreds of lipids and metabolites, thus providing detailed molecular snapshots of biological processes within tissues and living microbial populations.
GRE scores (General and Subject) are NOT considered.