A blood-serum sulfide selective electrochemical sensor based on a 9,10-phenanthrenequinone-tethered graphene oxide modified electrode

The sulfide ion and its associated species (H2S and HS-) are widely referred to as toxic chemicals. However, at concentrations of ∼10-100 μM, it serves as a neurotransmitter and signaling agent in biological systems. Abnormalities in blood serum sulfide can be an indication of several diseases, incl...

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Bibliographic Details
Published in:Analyst (London) 2018-07, Vol.143 (13), p.3114-3123
Main Authors: Shalini Devi, K S, Senthil Kumar, Annamalai
Format: Article
Language:English
Subjects:
Abnormalities
Ascorbic acid
Blood
Buffer solutions
Chemical sensors
Diabetes mellitus
Electrodes
Flow injection analysis
Glassy carbon
Graphene
Hydrogen peroxide
Hydrogen sulfide
Interference
Ion concentration
Organic chemistry
Oxidation
Silver chloride
Uric acid
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Summary:The sulfide ion and its associated species (H2S and HS-) are widely referred to as toxic chemicals. However, at concentrations of ∼10-100 μM, it serves as a neurotransmitter and signaling agent in biological systems. Abnormalities in blood serum sulfide can be an indication of several diseases, including diabetes, wherein there is a significant reduction in the sulfide ion concentration (
ISSN:0003-2654
1364-5528
DOI:10.1039/c8an00756j