Rapid and Sensitive SERS Detection of Bisphenol A Using Self-assembled Graphitic Substrates
We have prepared and tested a new surface enhanced Raman scattering (SERS) substrate based on self-assembled graphitic sheets to detect bisphenol A (BPA) in plastic consumer goods. Transmission electron microscopy (TEM) and atomic-force microscopy (AFM) were used to characterize the structure of the...
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| description | We have prepared and tested a new surface enhanced Raman scattering (SERS) substrate based on self-assembled graphitic sheets to detect bisphenol A (BPA) in plastic consumer goods. Transmission electron microscopy (TEM) and atomic-force microscopy (AFM) were used to characterize the structure of the graphitic sheets and showed a lattice spacing of 0.24 nm and layer height of 0.34 nm. These values were comparable to single monolayer graphene. The effective SERS detection limit of this method is 1 μM BPA, which is lower than the European Union specific migration limit for BPA of 0.6 mg/kg (2.6 μM). When used in salt solutions, graphitic sheets exhibited ultra-sensitivity toward BPA of 0.025 M to 2 M, which was broader than physiological ionic strength (0.14 M) and urinary NaCl (0.17 M). Our results demonstrated that this graphitic sheet based SERS detection platform can be used to determine BPA levels leached from commercial polycarbonate plastic products and for on-site rapid analysis with good results. |
| doi_str_mv | 10.1038/s41598-017-17030-9 |
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Transmission electron microscopy (TEM) and atomic-force microscopy (AFM) were used to characterize the structure of the graphitic sheets and showed a lattice spacing of 0.24 nm and layer height of 0.34 nm. These values were comparable to single monolayer graphene. The effective SERS detection limit of this method is 1 μM BPA, which is lower than the European Union specific migration limit for BPA of 0.6 mg/kg (2.6 μM). When used in salt solutions, graphitic sheets exhibited ultra-sensitivity toward BPA of 0.025 M to 2 M, which was broader than physiological ionic strength (0.14 M) and urinary NaCl (0.17 M). Our results demonstrated that this graphitic sheet based SERS detection platform can be used to determine BPA levels leached from commercial polycarbonate plastic products and for on-site rapid analysis with good results.</description><identifier>ISSN: 2045-2322</identifier><identifier>EISSN: 2045-2322</identifier><identifier>DOI: 10.1038/s41598-017-17030-9</identifier><identifier>PMID: 29196740</identifier><language>eng</language><publisher>London: Nature Publishing Group UK</publisher><subject>639/624/1107/527/1821 ; 639/638/11/511 ; Atomic force microscopy ; Bisphenol A ; Humanities and Social Sciences ; Ionic strength ; Microscopes ; Microscopy ; Migration ; multidisciplinary ; Plastics ; Polycarbonate ; Science ; Science (multidisciplinary) ; Sodium chloride ; Transmission electron microscopy</subject><ispartof>Scientific reports, 2017-12, Vol.7 (1), p.16698-6, Article 16698</ispartof><rights>The Author(s) 2017</rights><rights>2017. 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Hsieh, Chiung-Wen ; Hsieh, Shuchen</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c474t-1efd100c61a0bc045de73c588c0a8bb5bad6b301ece4d690476813483670d5113</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2017</creationdate><topic>639/624/1107/527/1821</topic><topic>639/638/11/511</topic><topic>Atomic force microscopy</topic><topic>Bisphenol A</topic><topic>Humanities and Social Sciences</topic><topic>Ionic strength</topic><topic>Microscopes</topic><topic>Microscopy</topic><topic>Migration</topic><topic>multidisciplinary</topic><topic>Plastics</topic><topic>Polycarbonate</topic><topic>Science</topic><topic>Science (multidisciplinary)</topic><topic>Sodium chloride</topic><topic>Transmission electron microscopy</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Lin, Pei-Ying</creatorcontrib><creatorcontrib>Hsieh, Chiung-Wen</creatorcontrib><creatorcontrib>Hsieh, Shuchen</creatorcontrib><collection>Springer Nature OA Free Journals</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>ProQuest Central (Corporate)</collection><collection>Health & Medical Collection</collection><collection>ProQuest Central (purchase pre-March 2016)</collection><collection>Biology Database (Alumni Edition)</collection><collection>Medical Database (Alumni Edition)</collection><collection>Science Database (Alumni Edition)</collection><collection>ProQuest SciTech Collection</collection><collection>ProQuest Natural Science Collection</collection><collection>Hospital Premium Collection</collection><collection>Hospital Premium Collection (Alumni Edition)</collection><collection>ProQuest Central (Alumni) (purchase pre-March 2016)</collection><collection>ProQuest Central (Alumni Edition)</collection><collection>ProQuest One Sustainability</collection><collection>ProQuest Central UK/Ireland</collection><collection>ProQuest Central Essentials</collection><collection>Biological Science Collection</collection><collection>ProQuest Central</collection><collection>Natural Science Collection (ProQuest)</collection><collection>ProQuest One Community College</collection><collection>ProQuest Central Korea</collection><collection>Health Research Premium Collection</collection><collection>Health Research Premium Collection (Alumni)</collection><collection>ProQuest Central Student</collection><collection>SciTech Premium Collection</collection><collection>ProQuest Health & Medical Complete (Alumni)</collection><collection>ProQuest Biological Science Collection</collection><collection>Health & Medical Collection (Alumni Edition)</collection><collection>Medical Database</collection><collection>Science Database</collection><collection>Biological Science Database</collection><collection>Publicly Available Content Database</collection><collection>ProQuest One Academic Eastern Edition (DO NOT USE)</collection><collection>ProQuest One Academic</collection><collection>ProQuest One Academic UKI Edition</collection><collection>ProQuest Central Basic</collection><collection>MEDLINE - Academic</collection><collection>PubMed Central (Full Participant titles)</collection><jtitle>Scientific reports</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Lin, Pei-Ying</au><au>Hsieh, Chiung-Wen</au><au>Hsieh, Shuchen</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Rapid and Sensitive SERS Detection of Bisphenol A Using Self-assembled Graphitic Substrates</atitle><jtitle>Scientific reports</jtitle><stitle>Sci Rep</stitle><addtitle>Sci Rep</addtitle><date>2017-12-01</date><risdate>2017</risdate><volume>7</volume><issue>1</issue><spage>16698</spage><epage>6</epage><pages>16698-6</pages><artnum>16698</artnum><issn>2045-2322</issn><eissn>2045-2322</eissn><abstract>We have prepared and tested a new surface enhanced Raman scattering (SERS) substrate based on self-assembled graphitic sheets to detect bisphenol A (BPA) in plastic consumer goods. Transmission electron microscopy (TEM) and atomic-force microscopy (AFM) were used to characterize the structure of the graphitic sheets and showed a lattice spacing of 0.24 nm and layer height of 0.34 nm. These values were comparable to single monolayer graphene. The effective SERS detection limit of this method is 1 μM BPA, which is lower than the European Union specific migration limit for BPA of 0.6 mg/kg (2.6 μM). When used in salt solutions, graphitic sheets exhibited ultra-sensitivity toward BPA of 0.025 M to 2 M, which was broader than physiological ionic strength (0.14 M) and urinary NaCl (0.17 M). Our results demonstrated that this graphitic sheet based SERS detection platform can be used to determine BPA levels leached from commercial polycarbonate plastic products and for on-site rapid analysis with good results.</abstract><cop>London</cop><pub>Nature Publishing Group UK</pub><pmid>29196740</pmid><doi>10.1038/s41598-017-17030-9</doi><tpages>6</tpages><oa>free_for_read</oa></addata></record> |
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| subjects | 639/624/1107/527/1821 639/638/11/511 Atomic force microscopy Bisphenol A Humanities and Social Sciences Ionic strength Microscopes Microscopy Migration multidisciplinary Plastics Polycarbonate Science Science (multidisciplinary) Sodium chloride Transmission electron microscopy |
| title | Rapid and Sensitive SERS Detection of Bisphenol A Using Self-assembled Graphitic Substrates |
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