Microfluidic chip for droplet-based AuNP synthesis with dielectric barrier discharge plasma and on-chip mercury ion detection
This study presents a novel microfluidic chip that can achieve on-demand gold nanoparticle (AuNP) synthesis using atmospheric pressure helium plasma and on-site mercury ion detection. Instead of using conventional chemical reaction methods, this chip uses helium plasma as the reducing agent to reduc...
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Veröffentlicht in: | RSC advances 2018-01, Vol.8 (29), p.16139-16145 |
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description | This study presents a novel microfluidic chip that can achieve on-demand gold nanoparticle (AuNP) synthesis using atmospheric pressure helium plasma and on-site mercury ion detection. Instead of using conventional chemical reaction methods, this chip uses helium plasma as the reducing agent to reduce gold ions and to synthesize AuNP, such that there is no residual reducing agent in the solution after removing the external electric field for plasma generation. The plasma discharge, gas-liquid separation, liquid collection and mercury ion detection can be achieved by this proposed microfluidic chip. The synthesized gold nanoparticles are further functionalized by 3-mercaptopropionic acid (3-MPA) for mercury ion detection. The 3-MPA-capped gold nanoparticles aggregate and result in a colour change of the solution due to the existence of Hg
. The absorption spectra of the solution shifts from red to blue due to the cluster aggregation. The concentration of Hg
can be quantitatively determined by UV-Vis spectrometry, and the limit of detection was found to be 10
M (0.2 ppm). This developed integrated microfluidic device provides a simple and on-demand method for synthesis of AuNPs and Hg
detection in a single chip. |
doi_str_mv | 10.1039/c8ra02468e |
format | Article |
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. The absorption spectra of the solution shifts from red to blue due to the cluster aggregation. The concentration of Hg
can be quantitatively determined by UV-Vis spectrometry, and the limit of detection was found to be 10
M (0.2 ppm). This developed integrated microfluidic device provides a simple and on-demand method for synthesis of AuNPs and Hg
detection in a single chip.</description><identifier>ISSN: 2046-2069</identifier><identifier>EISSN: 2046-2069</identifier><identifier>DOI: 10.1039/c8ra02468e</identifier><identifier>PMID: 35542220</identifier><language>eng</language><publisher>England: Royal Society of Chemistry</publisher><subject>Absorption spectra ; Chemical reactions ; Chemical synthesis ; Chemistry ; Dielectric barrier discharge ; Gold ; Helium plasma ; Ion detectors ; Mercury (metal) ; Mercury atmosphere ; Nanoparticles ; Organic chemistry ; Plasma ; Reducing agents</subject><ispartof>RSC advances, 2018-01, Vol.8 (29), p.16139-16145</ispartof><rights>This journal is © The Royal Society of Chemistry.</rights><rights>Copyright Royal Society of Chemistry 2018</rights><rights>This journal is © The Royal Society of Chemistry 2018 The Royal Society of Chemistry</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c447t-be29e3c9c7ff121a3e0c86f19bcbad86e89050c51229726cbaf3dab6888346153</citedby><cites>FETCH-LOGICAL-c447t-be29e3c9c7ff121a3e0c86f19bcbad86e89050c51229726cbaf3dab6888346153</cites><orcidid>0000-0002-0722-4854</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://www.ncbi.nlm.nih.gov/pmc/articles/PMC9080253/pdf/$$EPDF$$P50$$Gpubmedcentral$$Hfree_for_read</linktopdf><linktohtml>$$Uhttps://www.ncbi.nlm.nih.gov/pmc/articles/PMC9080253/$$EHTML$$P50$$Gpubmedcentral$$Hfree_for_read</linktohtml><link.rule.ids>230,314,727,780,784,864,885,27924,27925,53791,53793</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/35542220$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Li, Dai-En</creatorcontrib><creatorcontrib>Lin, Che-Hsin</creatorcontrib><title>Microfluidic chip for droplet-based AuNP synthesis with dielectric barrier discharge plasma and on-chip mercury ion detection</title><title>RSC advances</title><addtitle>RSC Adv</addtitle><description>This study presents a novel microfluidic chip that can achieve on-demand gold nanoparticle (AuNP) synthesis using atmospheric pressure helium plasma and on-site mercury ion detection. Instead of using conventional chemical reaction methods, this chip uses helium plasma as the reducing agent to reduce gold ions and to synthesize AuNP, such that there is no residual reducing agent in the solution after removing the external electric field for plasma generation. The plasma discharge, gas-liquid separation, liquid collection and mercury ion detection can be achieved by this proposed microfluidic chip. The synthesized gold nanoparticles are further functionalized by 3-mercaptopropionic acid (3-MPA) for mercury ion detection. The 3-MPA-capped gold nanoparticles aggregate and result in a colour change of the solution due to the existence of Hg
. The absorption spectra of the solution shifts from red to blue due to the cluster aggregation. The concentration of Hg
can be quantitatively determined by UV-Vis spectrometry, and the limit of detection was found to be 10
M (0.2 ppm). This developed integrated microfluidic device provides a simple and on-demand method for synthesis of AuNPs and Hg
detection in a single chip.</description><subject>Absorption spectra</subject><subject>Chemical reactions</subject><subject>Chemical synthesis</subject><subject>Chemistry</subject><subject>Dielectric barrier discharge</subject><subject>Gold</subject><subject>Helium plasma</subject><subject>Ion detectors</subject><subject>Mercury (metal)</subject><subject>Mercury atmosphere</subject><subject>Nanoparticles</subject><subject>Organic chemistry</subject><subject>Plasma</subject><subject>Reducing agents</subject><issn>2046-2069</issn><issn>2046-2069</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2018</creationdate><recordtype>article</recordtype><recordid>eNpdUU1rFTEUDWKxpXbjD5CAGxFGb5KZvGQjPB71A2pbRNchk9zppMxMxmRGeQv_u-mHpZpNLsk5J-fkEPKCwVsGQr9zKlngtVT4hBxxqGXFQeqnj-ZDcpLzNZQlG8Yle0YORdPUnHM4Ir-_BJdiN6zBB0ddH2baxUR9ivOAS9XajJ5u1_NLmvfT0mMOmf4KS099wAHdkgqrtSkFLKSQXW_TFdJ5sHm01E6exqm6VR0xuTXtaYgT9bgUapmek4PODhlP7vdj8v3D6bfdp-rs4uPn3fascnW9KS6QaxROu03XMc6sQHBKdky3rrVeSVQaGnAlHdcbLsthJ7xtpVJK1JI14pi8v9Od13ZE73Bakh3MnMJo095EG8y_N1PozVX8aTQo4I0oAq_vBVL8sWJezFjC4jDYCeOaDZeSN7UWcPPWq_-g13FNU4lnOAihhQBgBfXmDlV-P-eE3YMZBuamWLNTX7e3xZ4W8MvH9h-gf2sUfwDMK6BE</recordid><startdate>20180101</startdate><enddate>20180101</enddate><creator>Li, Dai-En</creator><creator>Lin, Che-Hsin</creator><general>Royal Society of Chemistry</general><general>The Royal Society of Chemistry</general><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7SR</scope><scope>8BQ</scope><scope>8FD</scope><scope>JG9</scope><scope>7X8</scope><scope>5PM</scope><orcidid>https://orcid.org/0000-0002-0722-4854</orcidid></search><sort><creationdate>20180101</creationdate><title>Microfluidic chip for droplet-based AuNP synthesis with dielectric barrier discharge plasma and on-chip mercury ion detection</title><author>Li, Dai-En ; Lin, Che-Hsin</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c447t-be29e3c9c7ff121a3e0c86f19bcbad86e89050c51229726cbaf3dab6888346153</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2018</creationdate><topic>Absorption spectra</topic><topic>Chemical reactions</topic><topic>Chemical synthesis</topic><topic>Chemistry</topic><topic>Dielectric barrier discharge</topic><topic>Gold</topic><topic>Helium plasma</topic><topic>Ion detectors</topic><topic>Mercury (metal)</topic><topic>Mercury atmosphere</topic><topic>Nanoparticles</topic><topic>Organic chemistry</topic><topic>Plasma</topic><topic>Reducing agents</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Li, Dai-En</creatorcontrib><creatorcontrib>Lin, Che-Hsin</creatorcontrib><collection>PubMed</collection><collection>CrossRef</collection><collection>Engineered Materials Abstracts</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><collection>MEDLINE - Academic</collection><collection>PubMed Central (Full Participant titles)</collection><jtitle>RSC advances</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Li, Dai-En</au><au>Lin, Che-Hsin</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Microfluidic chip for droplet-based AuNP synthesis with dielectric barrier discharge plasma and on-chip mercury ion detection</atitle><jtitle>RSC advances</jtitle><addtitle>RSC Adv</addtitle><date>2018-01-01</date><risdate>2018</risdate><volume>8</volume><issue>29</issue><spage>16139</spage><epage>16145</epage><pages>16139-16145</pages><issn>2046-2069</issn><eissn>2046-2069</eissn><abstract>This study presents a novel microfluidic chip that can achieve on-demand gold nanoparticle (AuNP) synthesis using atmospheric pressure helium plasma and on-site mercury ion detection. Instead of using conventional chemical reaction methods, this chip uses helium plasma as the reducing agent to reduce gold ions and to synthesize AuNP, such that there is no residual reducing agent in the solution after removing the external electric field for plasma generation. The plasma discharge, gas-liquid separation, liquid collection and mercury ion detection can be achieved by this proposed microfluidic chip. The synthesized gold nanoparticles are further functionalized by 3-mercaptopropionic acid (3-MPA) for mercury ion detection. The 3-MPA-capped gold nanoparticles aggregate and result in a colour change of the solution due to the existence of Hg
. The absorption spectra of the solution shifts from red to blue due to the cluster aggregation. The concentration of Hg
can be quantitatively determined by UV-Vis spectrometry, and the limit of detection was found to be 10
M (0.2 ppm). This developed integrated microfluidic device provides a simple and on-demand method for synthesis of AuNPs and Hg
detection in a single chip.</abstract><cop>England</cop><pub>Royal Society of Chemistry</pub><pmid>35542220</pmid><doi>10.1039/c8ra02468e</doi><tpages>7</tpages><orcidid>https://orcid.org/0000-0002-0722-4854</orcidid><oa>free_for_read</oa></addata></record> |
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subjects | Absorption spectra Chemical reactions Chemical synthesis Chemistry Dielectric barrier discharge Gold Helium plasma Ion detectors Mercury (metal) Mercury atmosphere Nanoparticles Organic chemistry Plasma Reducing agents |
title | Microfluidic chip for droplet-based AuNP synthesis with dielectric barrier discharge plasma and on-chip mercury ion detection |
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