ABOUT ME

Ashley Ross is an analytical chemist with specific expertise in electrochemistry, microfluidics, neurochemistry and fluorescence microscopy. She is an Assistant Professor in the Department of Chemistry at the University of Cincinnati and faculty of the Neuroscience Graduate Program. Her lab is committed to developing analytical tools to detect and study neurochemicals which are important for brain-immune communication

RESEARCH INTERESTS

Research in the Ross lab focuses on developing methods to probe signaling within and between the brain and the immune system. Our lab uses a combination of electrochemistry, microfluidics, and fluorescence microscopy to achieve these goals. We are specifically interested in understanding the mechanisms of neurotransmitter regulated immunity.  Our lab is focused on (1) Developing new sensors and methods to probe neurochemical signaling in the brain and immune tissue, (2) Developing novel carbon surfaces for improved analyte-electrode electrochemical interactions, and (3) Designing microfluidic organ-on-chip platforms to study neuro-immune interactions.

(1) Monitoring neurochemical signaling in real-time

Traditional neurotransmitters and neuromodulators, like catecholamines and indolamines, can be released from not only neuronal cells, but also  immune cells to aid in inflammatory modulation. The extent to which these neurochemicals are signaling within the immune system is not well understood.  Fast-scan cyclic voltammetry (FSCV) coupled to carbon-fiber microelectrodes is an electrochemical technique widely used to study neurotransmitter release in the brain and provides the necessary temporal resolution needed to monitor rapid changes.  Our lab is focused on developing methods to characterize and monitor rapid signaling within both the brain and immune system.

(2) Novel Carbon Surfaces

Carbon-fiber microelectrodes are common electrode materials for FSCV detection. Investigations into novel carbon materials and new carbon-fiber topology and functionalized surfaces are primarly focused on dopamine detection. Our lab is interested in investigating and designing novel carbon-fiber microstructures and functionalization to improve a variety of important neurochemical analytes. We focus on the fundamental interactions at the electrode-analyte interface to drive carbon surface design.  

(3) Microfluidics

Microfluidics allows precise control over small volumes with exquisite spatial resolution. The brain is a complicated organ of the central nervous system, composed of several sub-regions ranging from a few microns to several hundred microns in size.  Likewise, the central organ of the immune system (the lymph node) is fairly heterogeneous. The ability to better replicate complicated in vivo signaling but with precise control within and between the brain and the immune system would provide a detailed understanding of both health and disease. Our lab focuses on building microfluidic platforms to more precisely study the effects of stroke and neural communication between the brain and immune system.

Department of Chemistry

University of Cincinnati

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