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Research in our laboratory is focused on the development of novel chemistries and next-generation mass spectrometry (MS) instrumentation to better understand the molecular basis of health and disease. In particular, we develop novel gas-phase reactions, instrumentation, sample preparation strategies, and computational tools to study metabolite, lipid, glycan, protein, and drug analytes. We often combine these methodologies with imaging mass spectrometry (IMS) technologies, bringing together the molecular specificity of mass spectrometry with the spatial fidelity of microscopic imaging capabilities to enable the visualization of biochemical processes directly in tissue specimens. We also complement our imaging studies with tandem mass spectrometry (MS/MS), and liquid chromatography-mass spectrometry (LC-MS) techniques to enable deep and multi-omic dives into complex samples. The significance of this work lies in its application, in collaboration with biologists and clinicians, to the study of tissue samples. Leveraging novel chemical analysis strategies, we aim to understand the molecular events associated with important problems in human health and the environment, including cancer, infectious disease, diabetes, and chemical contamination.

Instrumentation / Ion Chemistry / Method Development

Novel Gas-Phase Ion Chemistry

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Schematic representation of gas-phase ion chemistry as related to mass spectrometry

Imaging Mass Spectrometry Method Development

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Schematic representation of MALDI imaging mass spectrometry workflow

Biological & Clinical Applications

Microbial Interactions and Mechanisms of Infectious Pathogens

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Image showcasing how infectious pathogens interact with microbial

Altered Spatial Metabolism in Diabetes

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Imaging mass spectrometry used to see the altered spatial metabolism in diabetes

Biochemical Mapping of Neurodegenerative Disease

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Biochemical pathway mapping of neurodegenerative diseases

Neuropharmacology of Opioid Addiction

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Imaging mass spectrometry is being used to prove the neuropharmacology of opioid addiction

Metabolic Dysregulation in Sepsis

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Schematic representation of MALDI being used to probe null-gravity plant growth

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Schematic representation of research being done in the lab about lung transplant and the immune response behind it