Electrochemical Determination of Caffeine Using Bimetallic Au−Ag Nanoparticles Obtained from Low‐cost Green Synthesis
A novel caffeine sensor was constructed. The sensor is based on a platinum electrode (PtE) modified with polypyrrole (PPY) and green synthesized Ag−Au bimetallic nanoparticles. The work further describes the synthesis of silver nanoparticles (AgNPs), gold nanoparticles (AuNPs), as well as Ag−Au bime...
Gespeichert in:
| Veröffentlicht in: | Electroanalysis (New York, N.Y.) N.Y.), 2020-12, Vol.32 (12), p.2745-2755 |
|---|---|
| Hauptverfasser: | , , , , |
| Format: | Artikel |
| Sprache: | eng |
| Schlagworte: | |
| Online-Zugang: | Volltext |
| Tags: |
Tag hinzufügen
Keine Tags, Fügen Sie den ersten Tag hinzu!
|
| container_end_page | 2755 |
|---|---|
| container_issue | 12 |
| container_start_page | 2745 |
| container_title | Electroanalysis (New York, N.Y.) |
| container_volume | 32 |
| creator | Masibi, Kgotla K. Fayemi, Omolola E. Adekunle, Abolanle S. Sherif, El‐Sayed M. Ebenso, Eno E. |
| description | A novel caffeine sensor was constructed. The sensor is based on a platinum electrode (PtE) modified with polypyrrole (PPY) and green synthesized Ag−Au bimetallic nanoparticles. The work further describes the synthesis of silver nanoparticles (AgNPs), gold nanoparticles (AuNPs), as well as Ag−Au bimetallic nanoparticles (BMNPs) using the extract of citrus sinensis (sweet orange) peels. The nanoparticles were used to form nanocomposite material supported on polypyrrole (PPY) and, consequently used to modify PtE using drop‐cast method. Synthesized nanomaterials were characterized by FT‐IR, UV‐Vis, XRD and TEM. Electrochemical characterization of the modified electrodes was conducted using the ferrocyanide/ferricyanide redox probe prepared in PBS. PPY/Ag‐AuBMNP modified PtE exhibited faster electron transport properties as well as enhanced catalytic current response as compared to bare‐PtE, PtE/AgNPs, PtE/AuNPs, PtE/Ag‐AuBMNPs and PtE/PPY. By Square‐wave voltammetry (SWV) the PPY/Ag‐AuBMNPs modified PtE yielded a detection limit of 2.02 μM with a sensitivity of 0.75 μA/μM, in the caffeine concentration range of 0 μM to 59 μM. The proposed sensor further demonstrated good selectivity and was successfully applied for the detection of caffeine in commercial samples. |
| doi_str_mv | 10.1002/elan.202060198 |
| format | Article |
| fullrecord | <record><control><sourceid>wiley_webof</sourceid><recordid>TN_cdi_webofscience_primary_000565571400001CitationCount</recordid><sourceformat>XML</sourceformat><sourcesystem>PC</sourcesystem><sourcerecordid>ELAN202060198</sourcerecordid><originalsourceid>FETCH-LOGICAL-c3268-62c8fb45715ee1b6b565144f9da50261f7cf9f33e1cfe94aafe49cc5d42f35f83</originalsourceid><addsrcrecordid>eNqNkLFOwzAURSMEEqWwMntHKXbipPFYQilIVTtA58hxn1ujxK5sV6gbIyPiE_sluLQqI0zvDvc8XZ0ouia4RzBObqHhupfgBOeYsOIk6pAsITElmJ2GjCmOccr659GFc68YY5ZT1ok2wwaEt0YsoVWCN-gePNhWae6V0chIVHIpQWlAM6f0At2pFjxvGiXQYL39-Bos0IRrs-LWK9GAQ9Pa81CfI2lNi8bmbfv-KYzzaGQBNHreaL8Ep9xldCZ54-DqcLvR7GH4Uj7G4-noqRyMY5EmeRHniShkTbM-yQBInddZnhFKJZvzDCc5kX0hmUxTIEICo5xLoEyIbE4TmWaySLtRb_9XWOOcBVmtrGq53VQEVztx1U5cdRQXgJs98Aa1kU4o0AKOUDAXFoQ5NCRMQrv4f7tU_sdradbaB5QdUNXA5o9Z1XA8mPyO_AYTWJdv</addsrcrecordid><sourcetype>Aggregation Database</sourcetype><iscdi>true</iscdi><recordtype>article</recordtype></control><display><type>article</type><title>Electrochemical Determination of Caffeine Using Bimetallic Au−Ag Nanoparticles Obtained from Low‐cost Green Synthesis</title><source>Access via Wiley Online Library</source><source>Web of Science - Science Citation Index Expanded - 2020<img src="https://exlibris-pub.s3.amazonaws.com/fromwos-v2.jpg" /></source><creator>Masibi, Kgotla K. ; Fayemi, Omolola E. ; Adekunle, Abolanle S. ; Sherif, El‐Sayed M. ; Ebenso, Eno E.</creator><creatorcontrib>Masibi, Kgotla K. ; Fayemi, Omolola E. ; Adekunle, Abolanle S. ; Sherif, El‐Sayed M. ; Ebenso, Eno E.</creatorcontrib><description>A novel caffeine sensor was constructed. The sensor is based on a platinum electrode (PtE) modified with polypyrrole (PPY) and green synthesized Ag−Au bimetallic nanoparticles. The work further describes the synthesis of silver nanoparticles (AgNPs), gold nanoparticles (AuNPs), as well as Ag−Au bimetallic nanoparticles (BMNPs) using the extract of citrus sinensis (sweet orange) peels. The nanoparticles were used to form nanocomposite material supported on polypyrrole (PPY) and, consequently used to modify PtE using drop‐cast method. Synthesized nanomaterials were characterized by FT‐IR, UV‐Vis, XRD and TEM. Electrochemical characterization of the modified electrodes was conducted using the ferrocyanide/ferricyanide redox probe prepared in PBS. PPY/Ag‐AuBMNP modified PtE exhibited faster electron transport properties as well as enhanced catalytic current response as compared to bare‐PtE, PtE/AgNPs, PtE/AuNPs, PtE/Ag‐AuBMNPs and PtE/PPY. By Square‐wave voltammetry (SWV) the PPY/Ag‐AuBMNPs modified PtE yielded a detection limit of 2.02 μM with a sensitivity of 0.75 μA/μM, in the caffeine concentration range of 0 μM to 59 μM. The proposed sensor further demonstrated good selectivity and was successfully applied for the detection of caffeine in commercial samples.</description><identifier>ISSN: 1040-0397</identifier><identifier>EISSN: 1521-4109</identifier><identifier>DOI: 10.1002/elan.202060198</identifier><language>eng</language><publisher>WEINHEIM: Wiley</publisher><subject>Caffeine ; Chemistry ; Chemistry, Analytical ; Electrochemistry ; Green synthesis ; Physical Sciences ; Plant extract ; Science & Technology ; Silver-Gold bimetallic nanoparticles</subject><ispartof>Electroanalysis (New York, N.Y.), 2020-12, Vol.32 (12), p.2745-2755</ispartof><rights>2020 Wiley‐VCH GmbH</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>true</woscitedreferencessubscribed><woscitedreferencescount>16</woscitedreferencescount><woscitedreferencesoriginalsourcerecordid>wos000565571400001</woscitedreferencesoriginalsourcerecordid><citedby>FETCH-LOGICAL-c3268-62c8fb45715ee1b6b565144f9da50261f7cf9f33e1cfe94aafe49cc5d42f35f83</citedby><cites>FETCH-LOGICAL-c3268-62c8fb45715ee1b6b565144f9da50261f7cf9f33e1cfe94aafe49cc5d42f35f83</cites><orcidid>0000-0002-0049-5184 ; 0000-0002-2529-9016 ; 0000-0002-2174-7600</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://onlinelibrary.wiley.com/doi/pdf/10.1002%2Felan.202060198$$EPDF$$P50$$Gwiley$$H</linktopdf><linktohtml>$$Uhttps://onlinelibrary.wiley.com/doi/full/10.1002%2Felan.202060198$$EHTML$$P50$$Gwiley$$H</linktohtml><link.rule.ids>315,781,785,1418,27929,27930,28253,45579,45580</link.rule.ids></links><search><creatorcontrib>Masibi, Kgotla K.</creatorcontrib><creatorcontrib>Fayemi, Omolola E.</creatorcontrib><creatorcontrib>Adekunle, Abolanle S.</creatorcontrib><creatorcontrib>Sherif, El‐Sayed M.</creatorcontrib><creatorcontrib>Ebenso, Eno E.</creatorcontrib><title>Electrochemical Determination of Caffeine Using Bimetallic Au−Ag Nanoparticles Obtained from Low‐cost Green Synthesis</title><title>Electroanalysis (New York, N.Y.)</title><addtitle>ELECTROANAL</addtitle><description>A novel caffeine sensor was constructed. The sensor is based on a platinum electrode (PtE) modified with polypyrrole (PPY) and green synthesized Ag−Au bimetallic nanoparticles. The work further describes the synthesis of silver nanoparticles (AgNPs), gold nanoparticles (AuNPs), as well as Ag−Au bimetallic nanoparticles (BMNPs) using the extract of citrus sinensis (sweet orange) peels. The nanoparticles were used to form nanocomposite material supported on polypyrrole (PPY) and, consequently used to modify PtE using drop‐cast method. Synthesized nanomaterials were characterized by FT‐IR, UV‐Vis, XRD and TEM. Electrochemical characterization of the modified electrodes was conducted using the ferrocyanide/ferricyanide redox probe prepared in PBS. PPY/Ag‐AuBMNP modified PtE exhibited faster electron transport properties as well as enhanced catalytic current response as compared to bare‐PtE, PtE/AgNPs, PtE/AuNPs, PtE/Ag‐AuBMNPs and PtE/PPY. By Square‐wave voltammetry (SWV) the PPY/Ag‐AuBMNPs modified PtE yielded a detection limit of 2.02 μM with a sensitivity of 0.75 μA/μM, in the caffeine concentration range of 0 μM to 59 μM. The proposed sensor further demonstrated good selectivity and was successfully applied for the detection of caffeine in commercial samples.</description><subject>Caffeine</subject><subject>Chemistry</subject><subject>Chemistry, Analytical</subject><subject>Electrochemistry</subject><subject>Green synthesis</subject><subject>Physical Sciences</subject><subject>Plant extract</subject><subject>Science & Technology</subject><subject>Silver-Gold bimetallic nanoparticles</subject><issn>1040-0397</issn><issn>1521-4109</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2020</creationdate><recordtype>article</recordtype><sourceid>AOWDO</sourceid><recordid>eNqNkLFOwzAURSMEEqWwMntHKXbipPFYQilIVTtA58hxn1ujxK5sV6gbIyPiE_sluLQqI0zvDvc8XZ0ouia4RzBObqHhupfgBOeYsOIk6pAsITElmJ2GjCmOccr659GFc68YY5ZT1ok2wwaEt0YsoVWCN-gePNhWae6V0chIVHIpQWlAM6f0At2pFjxvGiXQYL39-Bos0IRrs-LWK9GAQ9Pa81CfI2lNi8bmbfv-KYzzaGQBNHreaL8Ep9xldCZ54-DqcLvR7GH4Uj7G4-noqRyMY5EmeRHniShkTbM-yQBInddZnhFKJZvzDCc5kX0hmUxTIEICo5xLoEyIbE4TmWaySLtRb_9XWOOcBVmtrGq53VQEVztx1U5cdRQXgJs98Aa1kU4o0AKOUDAXFoQ5NCRMQrv4f7tU_sdradbaB5QdUNXA5o9Z1XA8mPyO_AYTWJdv</recordid><startdate>202012</startdate><enddate>202012</enddate><creator>Masibi, Kgotla K.</creator><creator>Fayemi, Omolola E.</creator><creator>Adekunle, Abolanle S.</creator><creator>Sherif, El‐Sayed M.</creator><creator>Ebenso, Eno E.</creator><general>Wiley</general><scope>AOWDO</scope><scope>BLEPL</scope><scope>DTL</scope><scope>AAYXX</scope><scope>CITATION</scope><orcidid>https://orcid.org/0000-0002-0049-5184</orcidid><orcidid>https://orcid.org/0000-0002-2529-9016</orcidid><orcidid>https://orcid.org/0000-0002-2174-7600</orcidid></search><sort><creationdate>202012</creationdate><title>Electrochemical Determination of Caffeine Using Bimetallic Au−Ag Nanoparticles Obtained from Low‐cost Green Synthesis</title><author>Masibi, Kgotla K. ; Fayemi, Omolola E. ; Adekunle, Abolanle S. ; Sherif, El‐Sayed M. ; Ebenso, Eno E.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c3268-62c8fb45715ee1b6b565144f9da50261f7cf9f33e1cfe94aafe49cc5d42f35f83</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2020</creationdate><topic>Caffeine</topic><topic>Chemistry</topic><topic>Chemistry, Analytical</topic><topic>Electrochemistry</topic><topic>Green synthesis</topic><topic>Physical Sciences</topic><topic>Plant extract</topic><topic>Science & Technology</topic><topic>Silver-Gold bimetallic nanoparticles</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Masibi, Kgotla K.</creatorcontrib><creatorcontrib>Fayemi, Omolola E.</creatorcontrib><creatorcontrib>Adekunle, Abolanle S.</creatorcontrib><creatorcontrib>Sherif, El‐Sayed M.</creatorcontrib><creatorcontrib>Ebenso, Eno E.</creatorcontrib><collection>Web of Science - Science Citation Index Expanded - 2020</collection><collection>Web of Science Core Collection</collection><collection>Science Citation Index Expanded</collection><collection>CrossRef</collection><jtitle>Electroanalysis (New York, N.Y.)</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Masibi, Kgotla K.</au><au>Fayemi, Omolola E.</au><au>Adekunle, Abolanle S.</au><au>Sherif, El‐Sayed M.</au><au>Ebenso, Eno E.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Electrochemical Determination of Caffeine Using Bimetallic Au−Ag Nanoparticles Obtained from Low‐cost Green Synthesis</atitle><jtitle>Electroanalysis (New York, N.Y.)</jtitle><stitle>ELECTROANAL</stitle><date>2020-12</date><risdate>2020</risdate><volume>32</volume><issue>12</issue><spage>2745</spage><epage>2755</epage><pages>2745-2755</pages><issn>1040-0397</issn><eissn>1521-4109</eissn><abstract>A novel caffeine sensor was constructed. The sensor is based on a platinum electrode (PtE) modified with polypyrrole (PPY) and green synthesized Ag−Au bimetallic nanoparticles. The work further describes the synthesis of silver nanoparticles (AgNPs), gold nanoparticles (AuNPs), as well as Ag−Au bimetallic nanoparticles (BMNPs) using the extract of citrus sinensis (sweet orange) peels. The nanoparticles were used to form nanocomposite material supported on polypyrrole (PPY) and, consequently used to modify PtE using drop‐cast method. Synthesized nanomaterials were characterized by FT‐IR, UV‐Vis, XRD and TEM. Electrochemical characterization of the modified electrodes was conducted using the ferrocyanide/ferricyanide redox probe prepared in PBS. PPY/Ag‐AuBMNP modified PtE exhibited faster electron transport properties as well as enhanced catalytic current response as compared to bare‐PtE, PtE/AgNPs, PtE/AuNPs, PtE/Ag‐AuBMNPs and PtE/PPY. By Square‐wave voltammetry (SWV) the PPY/Ag‐AuBMNPs modified PtE yielded a detection limit of 2.02 μM with a sensitivity of 0.75 μA/μM, in the caffeine concentration range of 0 μM to 59 μM. The proposed sensor further demonstrated good selectivity and was successfully applied for the detection of caffeine in commercial samples.</abstract><cop>WEINHEIM</cop><pub>Wiley</pub><doi>10.1002/elan.202060198</doi><tpages>11</tpages><orcidid>https://orcid.org/0000-0002-0049-5184</orcidid><orcidid>https://orcid.org/0000-0002-2529-9016</orcidid><orcidid>https://orcid.org/0000-0002-2174-7600</orcidid></addata></record> |
| fulltext | fulltext |
| identifier | ISSN: 1040-0397 |
| ispartof | Electroanalysis (New York, N.Y.), 2020-12, Vol.32 (12), p.2745-2755 |
| issn | 1040-0397 1521-4109 |
| language | eng |
| recordid | cdi_webofscience_primary_000565571400001CitationCount |
| source | Access via Wiley Online Library; Web of Science - Science Citation Index Expanded - 2020<img src="https://exlibris-pub.s3.amazonaws.com/fromwos-v2.jpg" /> |
| subjects | Caffeine Chemistry Chemistry, Analytical Electrochemistry Green synthesis Physical Sciences Plant extract Science & Technology Silver-Gold bimetallic nanoparticles |
| title | Electrochemical Determination of Caffeine Using Bimetallic Au−Ag Nanoparticles Obtained from Low‐cost Green Synthesis |
| url | https://sfx.bib-bvb.de/sfx_tum?ctx_ver=Z39.88-2004&ctx_enc=info:ofi/enc:UTF-8&ctx_tim=2024-12-14T22%3A42%3A31IST&url_ver=Z39.88-2004&url_ctx_fmt=infofi/fmt:kev:mtx:ctx&rfr_id=info:sid/primo.exlibrisgroup.com:primo3-Article-wiley_webof&rft_val_fmt=info:ofi/fmt:kev:mtx:journal&rft.genre=article&rft.atitle=Electrochemical%20Determination%20of%20Caffeine%20Using%20Bimetallic%20Au%E2%88%92Ag%20Nanoparticles%20Obtained%20from%20Low%E2%80%90cost%20Green%20Synthesis&rft.jtitle=Electroanalysis%20(New%20York,%20N.Y.)&rft.au=Masibi,%20Kgotla%20K.&rft.date=2020-12&rft.volume=32&rft.issue=12&rft.spage=2745&rft.epage=2755&rft.pages=2745-2755&rft.issn=1040-0397&rft.eissn=1521-4109&rft_id=info:doi/10.1002/elan.202060198&rft_dat=%3Cwiley_webof%3EELAN202060198%3C/wiley_webof%3E%3Curl%3E%3C/url%3E&disable_directlink=true&sfx.directlink=off&sfx.report_link=0&rft_id=info:oai/&rft_id=info:pmid/&rfr_iscdi=true |