Screen‐printed Electrode Modified with ZnFe2O4 Nanoparticles for Detection of Acetylcholine
In this paper a sensor to detect acetylcholine on the basis of ZnFe2O4 nanoparticles modified screen printed electrode (SPE) is reported. In the range 0.08–500.0 μM, with the detection limit of 0.024±0.001 μM, acquired anodic peak currents where shown to be linearly dependent on acetylcholine concen...
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| Veröffentlicht in: | Electroanalysis (New York, N.Y.) N.Y.), 2019-06, Vol.31 (6), p.1135-1140 |
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| container_title | Electroanalysis (New York, N.Y.) |
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| creator | Beitollahi, Hadi Safaei, Mohadeseh Tajik, Somayeh |
| description | In this paper a sensor to detect acetylcholine on the basis of ZnFe2O4 nanoparticles modified screen printed electrode (SPE) is reported. In the range 0.08–500.0 μM, with the detection limit of 0.024±0.001 μM, acquired anodic peak currents where shown to be linearly dependent on acetylcholine concentrations by differential pulse voltammetry (DPV). It was proven that acetylcholine oxidation at adjusted electrode surface takes place at 100 mV potential less positive compared to an unadjusted screen printed electrode. The electron transfer coefficient (α=0.51) and diffusion coefficient (D=9.3×10−6 cm2/s) of acetylcholine oxidation were determined too. In addition, this original sensor possesses numerous benefits such as reproducibility, high stability and rapid response (20 s). |
| doi_str_mv | 10.1002/elan.201900116 |
| format | Article |
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In the range 0.08–500.0 μM, with the detection limit of 0.024±0.001 μM, acquired anodic peak currents where shown to be linearly dependent on acetylcholine concentrations by differential pulse voltammetry (DPV). It was proven that acetylcholine oxidation at adjusted electrode surface takes place at 100 mV potential less positive compared to an unadjusted screen printed electrode. The electron transfer coefficient (α=0.51) and diffusion coefficient (D=9.3×10−6 cm2/s) of acetylcholine oxidation were determined too. In addition, this original sensor possesses numerous benefits such as reproducibility, high stability and rapid response (20 s).</description><identifier>ISSN: 1040-0397</identifier><identifier>EISSN: 1521-4109</identifier><identifier>DOI: 10.1002/elan.201900116</identifier><language>eng</language><subject>Acetylcholine ; Screen printed electrode ; Voltammetry ; ZnFe2O4 nanoparticles</subject><ispartof>Electroanalysis (New York, N.Y.), 2019-06, Vol.31 (6), p.1135-1140</ispartof><rights>2019 Wiley‐VCH Verlag GmbH & Co. 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In the range 0.08–500.0 μM, with the detection limit of 0.024±0.001 μM, acquired anodic peak currents where shown to be linearly dependent on acetylcholine concentrations by differential pulse voltammetry (DPV). It was proven that acetylcholine oxidation at adjusted electrode surface takes place at 100 mV potential less positive compared to an unadjusted screen printed electrode. The electron transfer coefficient (α=0.51) and diffusion coefficient (D=9.3×10−6 cm2/s) of acetylcholine oxidation were determined too. In addition, this original sensor possesses numerous benefits such as reproducibility, high stability and rapid response (20 s).</description><subject>Acetylcholine</subject><subject>Screen printed electrode</subject><subject>Voltammetry</subject><subject>ZnFe2O4 nanoparticles</subject><issn>1040-0397</issn><issn>1521-4109</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2019</creationdate><recordtype>article</recordtype><sourceid/><recordid>eNo9kMFKAzEQhoMoWKtXz3mBrZNkk22OS21VqO1BvQiyZLMTG4lJ2V0ovfkIPqNP4halp3_-H2b45yPkmsGEAfAbDCZOODANwJg6ISMmOctyBvp0mCGHDIQuzslF130AgFa5HpG3J9sixp-v723rY48NnQe0fZsapI-p8c4P0c73G_oaF8jXOV2ZmLam7b0N2FGXWnqL_bDiU6TJ0dJivw92k4KPeEnOnAkdXv3rmLws5s-z-2y5vnuYlcvsnedcZaKQVnMpmFNYm7oY6qPjTOJQGjmAnboiLxSTwijnAJ1idV1LNZWWK9EYMSb67-7OB9xXwyufpt1XDKoDmepApjqSqebLcnV04hfLWVtq</recordid><startdate>201906</startdate><enddate>201906</enddate><creator>Beitollahi, Hadi</creator><creator>Safaei, Mohadeseh</creator><creator>Tajik, Somayeh</creator><scope/></search><sort><creationdate>201906</creationdate><title>Screen‐printed Electrode Modified with ZnFe2O4 Nanoparticles for Detection of Acetylcholine</title><author>Beitollahi, Hadi ; Safaei, Mohadeseh ; Tajik, Somayeh</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-g2426-375c92531f6ebab7116ef215e040e200c8f7476153a6ff0ef61bbb5685c263da3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2019</creationdate><topic>Acetylcholine</topic><topic>Screen printed electrode</topic><topic>Voltammetry</topic><topic>ZnFe2O4 nanoparticles</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Beitollahi, Hadi</creatorcontrib><creatorcontrib>Safaei, Mohadeseh</creatorcontrib><creatorcontrib>Tajik, Somayeh</creatorcontrib><jtitle>Electroanalysis (New York, N.Y.)</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Beitollahi, Hadi</au><au>Safaei, Mohadeseh</au><au>Tajik, Somayeh</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Screen‐printed Electrode Modified with ZnFe2O4 Nanoparticles for Detection of Acetylcholine</atitle><jtitle>Electroanalysis (New York, N.Y.)</jtitle><date>2019-06</date><risdate>2019</risdate><volume>31</volume><issue>6</issue><spage>1135</spage><epage>1140</epage><pages>1135-1140</pages><issn>1040-0397</issn><eissn>1521-4109</eissn><abstract>In this paper a sensor to detect acetylcholine on the basis of ZnFe2O4 nanoparticles modified screen printed electrode (SPE) is reported. In the range 0.08–500.0 μM, with the detection limit of 0.024±0.001 μM, acquired anodic peak currents where shown to be linearly dependent on acetylcholine concentrations by differential pulse voltammetry (DPV). It was proven that acetylcholine oxidation at adjusted electrode surface takes place at 100 mV potential less positive compared to an unadjusted screen printed electrode. The electron transfer coefficient (α=0.51) and diffusion coefficient (D=9.3×10−6 cm2/s) of acetylcholine oxidation were determined too. In addition, this original sensor possesses numerous benefits such as reproducibility, high stability and rapid response (20 s).</abstract><doi>10.1002/elan.201900116</doi><tpages>6</tpages></addata></record> |
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| subjects | Acetylcholine Screen printed electrode Voltammetry ZnFe2O4 nanoparticles |
| title | Screen‐printed Electrode Modified with ZnFe2O4 Nanoparticles for Detection of Acetylcholine |
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