Works (10)
Updated: July 5th, 2023 15:48
2017 journal article
Background Signal as an in Situ Predictor of Dopamine Oxidation Potential: Improving Interpretation of Fast-Scan Cyclic Voltammetry Data
ACS CHEMICAL NEUROSCIENCE, 8(2), 411–419.
author keywords: Carbon-fiber microelectrode; electrochemical impedance spectroscopy; electrochemistry; calibration; in vivo
MeSH headings : Analysis of Variance; Animals; Antipsychotic Agents / pharmacology; Biophysics; Brain / drug effects; Brain / metabolism; Dopamine / metabolism; Electric Stimulation; Electrochemical Techniques; Electrodes; Enzyme Inhibitors / pharmacology; Male; Neural Pathways / drug effects; Neural Pathways / metabolism; Oxidation-Reduction; Rats; Rats, Sprague-Dawley; Reserpine / pharmacology; alpha-Methyltyrosine / pharmacology
TL;DR:
The model, validated both in adrenal slice and live brain tissue, enables information encoded in the shape of the background voltammogram to determine electrochemical parameters that are critical for accurate quantification, which improves data interpretation and provides a significant next step toward more automated methods for in vivo data analysis.
(via Semantic Scholar)
open access via europepmc.org (repository)
UN Sustainable Development Goal Categories
3. Good Health and Well-being
(Web of Science)
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018
2017 review
Fast-Scan Cyclic Voltammetry: Chemical Sensing in the Brain and Beyond
[Review of ]. ANALYTICAL CHEMISTRY, 90(1), 490–504.
MeSH headings : Animals; Brain / metabolism; Catecholamines / analysis; Electrochemical Techniques / methods; Humans; Hydrogen Peroxide / analysis; Neurotransmitter Agents / analysis
TL;DR:
The electroanalytical method known as fast-scan cyclic voltammetry (FSCV), how it has advanced over the years, and in what way(s) it is impacting other sciences are described.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
3. Good Health and Well-being
(Web of Science)
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018
2016 journal article
The Hydroxyl Radical is a Critical Intermediate in the Voltammetric Detection of Hydrogen Peroxide
Journal of the American Chemical Society, 138(8), 2516–2519.
Contributors: n, M. Voinov n, A. Schmidt n, T. Smirnova n & L. Sombers n
MeSH headings : Electrochemical Techniques / methods; Electron Spin Resonance Spectroscopy / methods; Hydrogen Peroxide / analysis; Hydrogen Peroxide / chemistry; Hydroxyl Radical / analysis; Hydroxyl Radical / chemistry; Pyrroles / chemistry; Spin Labels
TL;DR:
Voltammetry was combined with electron paramagnetic resonance spectroscopy to identify and define the role of an oxygen-centered radical liberated during the oxidation of H2O2, and it was demonstrated that the hydroxyl radical is a principal contributor to the voltammetry of H1O2 as signal is attenuated when this species is trapped.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
3. Good Health and Well-being
(Web of Science)
Sources: Web Of Science, NC State University Libraries, Crossref, ORCID
Added: August 6, 2018
2014 journal article
Multiple Scan Rate Voltammetry for Selective Quantification of Real-Time Enkephalin Dynamics
ANALYTICAL CHEMISTRY, 86(15), 7806–7812.
MeSH headings : Animals; Electrodes; Enkephalins / physiology; In Vitro Techniques; Male; Rats; Rats, Sprague-Dawley
TL;DR:
This work has developed and characterized a novel voltammetric waveform for the selective quantification of small tyrosine-containing peptides, such as the ENKs, with rapid temporal (subsecond) and precise spatial (10s of micrometers) resolution, and provides a foundation for real-time measurements of endogenous ENK fluctuations in biological locations.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
3. Good Health and Well-being
(Web of Science)
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018
2014 journal article
Reducing the Sampling Rate of Biochemical Measurements Using Fast-Scan Cyclic Voltammetry for In Vivo Applications
IEEE SENSORS JOURNAL, 14(9), 2975–2980.
author keywords: Carbon fiber microelectrodes; dopamine; electrochemistry; wireless protocol
TL;DR:
Reducing the sampling rate of a proven in vivo measurement technology, fast-scan cyclic voltammetry at carbon-fiber microelectrodes, reduces the quantity of data generated by an order of magnitude compared with the existing protocol and with duty cycling is expected to decrease power consumption by a similar value in wireless systems.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
3. Good Health and Well-being
(Web of Science)
7. Affordable and Clean Energy
(OpenAlex)
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018
2013 journal article
Enzyme-Modified Carbon-Fiber Microelectrode for the Quantification of Dynamic Fluctuations of Nonelectroactive Analytes Using Fast-Scan Cyclic Voltammetry
ANALYTICAL CHEMISTRY, 85(18), 8780–8786.
MeSH headings : Animals; Biosensing Techniques / methods; Carbon / chemistry; Carbon Fiber; Electrochemical Techniques / methods; Enzyme Induction; Male; Microelectrodes; Rats; Rats, Sprague-Dawley; Time Factors
TL;DR:
This work has enabled the real-time detection of dynamic glucose fluctuations in live brain tissue using background-subtracted, fast-scan cyclic voltammetry, and quantitatively and selectively monitored pharmacologically evoked glucose fluctuations with unprecedented chemical and spatial resolution.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
3. Good Health and Well-being
(Web of Science)
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018
2013 journal article
In Situ Electrode Calibration Strategy for Voltammetric Measurements In Vivo
ANALYTICAL CHEMISTRY, 85(23), 11568–11575.
MeSH headings : Animals; Calibration; Electrochemical Techniques / methods; Electrodes, Implanted; Flow Injection Analysis / methods; Male; Rats; Rats, Sprague-Dawley
TL;DR:
A model that utilizes information contained in the background charging current to predict electrode sensitivity to dopamine, ascorbic acid, hydrogen peroxide, and pH shifts at any point in an electrochemical experiment is developed.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
3. Good Health and Well-being
(Web of Science)
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018
2011 journal article
Comparison of electrode materials for the detection of rapid hydrogen peroxide fluctuations using background-subtracted fast scan cyclic voltammetry
Analyst [London], 136(17), 3550–3556.
Source: NC State University Libraries
Added: August 6, 2018
2011 journal article
Trace metal complexation by the triscatecholate siderophore protochelin: structure and stability
BIOMETALS, 25(2), 393–412.
Contributors: J. Harrington n, J. Bargar *, A. Jarzecki, n, L. Sombers n & O. Duckworth n
author keywords: Siderophores; Catechol; Iron; Manganese; Cobalt; Complexation
MeSH headings : Coordination Complexes / chemistry; Hydrogen-Ion Concentration; Oxidation-Reduction; Siderophores / chemistry; Solubility; Trace Elements / chemistry; Trace Elements / metabolism
TL;DR:
The solution chemistry of protochelin and its complexes with environmentally relevant trace metals is probed to better understand its effect on metal uptake and cycling and the role of catecholate siderophores in environmental trace metal cycling and intracellular metal release is discussed.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
3. Good Health and Well-being
(Web of Science)
Sources: Web Of Science, ORCID, NC State University Libraries
Added: August 6, 2018
2010 journal article
Voltammetric Detection of Hydrogen Peroxide at Carbon Fiber Microelectrodes
ANALYTICAL CHEMISTRY, 82(12), 5205–5210.
MeSH headings : Animals; Biosensing Techniques / instrumentation; Biosensing Techniques / methods; Brain Chemistry; Carbon / chemistry; Carbon Fiber; Electrochemistry / instrumentation; Electrochemistry / methods; Hydrogen Peroxide / analysis; Hydrogen Peroxide / metabolism; Limit of Detection; Male; Microelectrodes; Rats; Rats, Sprague-Dawley
TL;DR:
The first voltammetric characterization of rapid hydrogen peroxide fluctuations at an uncoated carbon fiber microelectrode is presented, demonstrating unprecedented chemical and spatial resolution.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
3. Good Health and Well-being
(Web of Science)
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018
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