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Optimization of Subsecond Estradiol Detection through Analysis of Surface-Analyte Interactions
Moriah E Weese-Myers1, Vivek Subedi1, Naimah El-Amin1
1Department of Chemistry, University of Cincinnati, 312 College Dr. 404 Crosley Tower, Cincinnati, Ohio 45221-0172, United States.
ACS Electrochemistry
|May 13, 2026
Summary
Researchers optimized electrochemical detection of estradiol, a difficult-to-measure neurosteroid, by tailoring carbon electrode surfaces. This approach enhances monitoring of diverse neurochemicals for improved neuro-immune-endocrine axis research.
Area of Science:
- Neuroscience
- Electrochemistry
- Materials Science
Background:
- Subsecond neurochemical signaling is crucial for intercellular communication along the neuro-immune-endocrine axis.
- Existing electrochemical methods often lack sensitivity and selectivity for structurally diverse neurochemicals beyond catecholamines and indolamines.
- Estradiol, a fast-signaling neurosteroid, is vital for neuroprotection but challenging to detect with current techniques.
Purpose of the Study:
- To optimize direct electrochemical detection of estradiol at carbon surfaces.
- To develop a tailored approach for customizing carbon electrodes for specific neurochemical analytes.
- To create a broadly applicable roadmap for enhancing the detection of neglected neurochemicals.
Main Methods:
- Examined electrode-analyte interface interactions from both carbon surface and target molecule perspectives.
- Characterized surface properties of diverse carbon fibers.
- Investigated estradiol's electrochemical behavior on different carbon surfaces and analyzed its structural contributions to adsorption.
Main Results:
- Developed a multi-perspective approach to understand carbon surface-estradiol interactions.
- Achieved improved sensitivity and selectivity for estradiol detection.
- Identified subtle structural considerations for analyte-specific carbon electrode tailoring.
Conclusions:
- The developed approach provides a thorough understanding of carbon sensing surfaces and estradiol interactions.
- This method is applicable to improving the detection of other challenging neurochemicals.
- A broadly applicable roadmap for customizing direct monitoring at carbon surfaces through tailored electrode-analyte interface optimization has been established.
