Superhydrophobic-Oleophobic Ag Nanowire Platform: An Analyte-Concentrating and Quantitative Aqueous and Organic Toxin Surface-Enhanced Raman Scattering Sensor
The ultratrace detection and quantification of toxins in both water and organic liquids remains a challenge due to the random spreading and dilution of liquids on substrate-based sensors, especially for organic liquids with low surface tension. Herein, we fabricate a superhydrophobic-oleophobic (SHP...
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| Veröffentlicht in: | Analytical chemistry (Washington) 2014-10, Vol.86 (20), p.10437-10444 |
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| creator | Li, Xing Lee, Hiang Kwee Phang, In Yee Lee, Choon Keong Ling, Xing Yi |
| description | The ultratrace detection and quantification of toxins in both water and organic liquids remains a challenge due to the random spreading and dilution of liquids on substrate-based sensors, especially for organic liquids with low surface tension. Herein, we fabricate a superhydrophobic-oleophobic (SHP-OP) 3D Ag nanowire mesh-like surface-enhanced Raman scattering (SERS) platform to overcome the random spreading issue, demonstrating ultratrace toxin sensing in both water and organic liquid. Our SHP-OP SERS platform is able to concentrate analyte solutions in water and toluene to 100-fold and 8-fold smaller areas, respectively, as compared to its omniphilic counterparts. The synergy of analyte-concentrating ability and intense SERS-enhancing properties on our SHP-OP SERS platform enables quantitative and ultratrace detection of melamine and Sudan I down to 0.1 fmol in water and toluene, respectively, using just 1 μL of analyte solution. These detection limits are 103-fold lower than the regulatory limits, clearly indicating our SHP-OP SERS platform as an appealing universal ultratrace toxin sensor. The ultratrace detection of spiked melamine in liquid milk down to 100 fmol also highlights the suitability of our SHP-OP SERS platform for the sensing of food toxins in real samples. |
| doi_str_mv | 10.1021/ac502955w |
| format | Article |
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Herein, we fabricate a superhydrophobic-oleophobic (SHP-OP) 3D Ag nanowire mesh-like surface-enhanced Raman scattering (SERS) platform to overcome the random spreading issue, demonstrating ultratrace toxin sensing in both water and organic liquid. Our SHP-OP SERS platform is able to concentrate analyte solutions in water and toluene to 100-fold and 8-fold smaller areas, respectively, as compared to its omniphilic counterparts. The synergy of analyte-concentrating ability and intense SERS-enhancing properties on our SHP-OP SERS platform enables quantitative and ultratrace detection of melamine and Sudan I down to 0.1 fmol in water and toluene, respectively, using just 1 μL of analyte solution. These detection limits are 103-fold lower than the regulatory limits, clearly indicating our SHP-OP SERS platform as an appealing universal ultratrace toxin sensor. The ultratrace detection of spiked melamine in liquid milk down to 100 fmol also highlights the suitability of our SHP-OP SERS platform for the sensing of food toxins in real samples.</description><identifier>ISSN: 0003-2700</identifier><identifier>EISSN: 1520-6882</identifier><identifier>DOI: 10.1021/ac502955w</identifier><identifier>PMID: 25230236</identifier><identifier>CODEN: ANCHAM</identifier><language>eng</language><publisher>United States: American Chemical Society</publisher><subject>Aqueous solutions ; Food ; Food contamination & poisoning ; Food Contamination - analysis ; Food Technology - instrumentation ; Food Technology - methods ; Hydrophobic and Hydrophilic Interactions ; Melamine ; Nanowires ; Nanowires - chemistry ; Naphthols - chemistry ; Organic Chemicals - chemistry ; Organic liquids ; Platforms ; Raman scattering ; Scattering ; Sensors ; Silver ; Silver - chemistry ; Spectrum Analysis, Raman ; Surface Properties ; Toxins ; Triazines - chemistry ; Water - chemistry</subject><ispartof>Analytical chemistry (Washington), 2014-10, Vol.86 (20), p.10437-10444</ispartof><rights>Copyright American Chemical Society Oct 21, 2014</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-a376t-9a6b528ac252a15e3839d65ae070e89b151ac9540db874e199a35bc031b197753</citedby><cites>FETCH-LOGICAL-a376t-9a6b528ac252a15e3839d65ae070e89b151ac9540db874e199a35bc031b197753</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://pubs.acs.org/doi/pdf/10.1021/ac502955w$$EPDF$$P50$$Gacs$$H</linktopdf><linktohtml>$$Uhttps://pubs.acs.org/doi/10.1021/ac502955w$$EHTML$$P50$$Gacs$$H</linktohtml><link.rule.ids>314,776,780,2752,27053,27901,27902,56713,56763</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/25230236$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Li, Xing</creatorcontrib><creatorcontrib>Lee, Hiang Kwee</creatorcontrib><creatorcontrib>Phang, In Yee</creatorcontrib><creatorcontrib>Lee, Choon Keong</creatorcontrib><creatorcontrib>Ling, Xing Yi</creatorcontrib><title>Superhydrophobic-Oleophobic Ag Nanowire Platform: An Analyte-Concentrating and Quantitative Aqueous and Organic Toxin Surface-Enhanced Raman Scattering Sensor</title><title>Analytical chemistry (Washington)</title><addtitle>Anal. Chem</addtitle><description>The ultratrace detection and quantification of toxins in both water and organic liquids remains a challenge due to the random spreading and dilution of liquids on substrate-based sensors, especially for organic liquids with low surface tension. Herein, we fabricate a superhydrophobic-oleophobic (SHP-OP) 3D Ag nanowire mesh-like surface-enhanced Raman scattering (SERS) platform to overcome the random spreading issue, demonstrating ultratrace toxin sensing in both water and organic liquid. Our SHP-OP SERS platform is able to concentrate analyte solutions in water and toluene to 100-fold and 8-fold smaller areas, respectively, as compared to its omniphilic counterparts. The synergy of analyte-concentrating ability and intense SERS-enhancing properties on our SHP-OP SERS platform enables quantitative and ultratrace detection of melamine and Sudan I down to 0.1 fmol in water and toluene, respectively, using just 1 μL of analyte solution. These detection limits are 103-fold lower than the regulatory limits, clearly indicating our SHP-OP SERS platform as an appealing universal ultratrace toxin sensor. The ultratrace detection of spiked melamine in liquid milk down to 100 fmol also highlights the suitability of our SHP-OP SERS platform for the sensing of food toxins in real samples.</description><subject>Aqueous solutions</subject><subject>Food</subject><subject>Food contamination & poisoning</subject><subject>Food Contamination - analysis</subject><subject>Food Technology - instrumentation</subject><subject>Food Technology - methods</subject><subject>Hydrophobic and Hydrophilic Interactions</subject><subject>Melamine</subject><subject>Nanowires</subject><subject>Nanowires - chemistry</subject><subject>Naphthols - chemistry</subject><subject>Organic Chemicals - chemistry</subject><subject>Organic liquids</subject><subject>Platforms</subject><subject>Raman scattering</subject><subject>Scattering</subject><subject>Sensors</subject><subject>Silver</subject><subject>Silver - chemistry</subject><subject>Spectrum Analysis, Raman</subject><subject>Surface Properties</subject><subject>Toxins</subject><subject>Triazines - chemistry</subject><subject>Water - chemistry</subject><issn>0003-2700</issn><issn>1520-6882</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2014</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNqNkc-O0zAQhy0EYsvCgRdAkRASHAIzdpzE3Kpq-SOtKNDlHE0ct80qtYvtsPRleFYcWlYILkiWbI0_fePxj7HHCC8ROL4iLYErKW_usBlKDnlZ1_wumwGAyHkFcMYehHANgAhY3mdnXHIBXJQz9mM17o3fHjrv9lvX9jpfDuZ0zOab7ANZd9N7k30cKK6d373O5jYtGg7R5AtntbHRU-ztJiPbZZ9GsrGPqfDNZPOvo3Fj-HWx9BuyyXnlvvc2W41-TdrkF3ZLSdFln2lHqawpRuMn2crY4PxDdm9NQzCPTvs5-_Lm4mrxLr9cvn2_mF_mJKoy5orKVvKadBqMUBpRC9WVkgxUYGrVokTSShbQtXVVGFSKhGw1CGxRVZUU5-z50bv3Lj06xGbXB22Ggew0QYOl4qICicV_oCkCWXI-oU__Qq_d6NPfTRTHAotKYaJeHCntXQjerJu973fkDw1CM-Xb3Oab2Ccn49juTHdL_g40Ac-OAOnwR7d_RD8BzPeseA</recordid><startdate>20141021</startdate><enddate>20141021</enddate><creator>Li, Xing</creator><creator>Lee, Hiang Kwee</creator><creator>Phang, In Yee</creator><creator>Lee, Choon Keong</creator><creator>Ling, Xing Yi</creator><general>American Chemical Society</general><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7QF</scope><scope>7QO</scope><scope>7QQ</scope><scope>7SC</scope><scope>7SE</scope><scope>7SP</scope><scope>7SR</scope><scope>7TA</scope><scope>7TB</scope><scope>7TM</scope><scope>7U5</scope><scope>7U7</scope><scope>7U9</scope><scope>8BQ</scope><scope>8FD</scope><scope>C1K</scope><scope>F28</scope><scope>FR3</scope><scope>H8D</scope><scope>H8G</scope><scope>H94</scope><scope>JG9</scope><scope>JQ2</scope><scope>KR7</scope><scope>L7M</scope><scope>L~C</scope><scope>L~D</scope><scope>P64</scope><scope>7X8</scope></search><sort><creationdate>20141021</creationdate><title>Superhydrophobic-Oleophobic Ag Nanowire Platform: An Analyte-Concentrating and Quantitative Aqueous and Organic Toxin Surface-Enhanced Raman Scattering Sensor</title><author>Li, Xing ; Lee, Hiang Kwee ; Phang, In Yee ; Lee, Choon Keong ; Ling, Xing Yi</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-a376t-9a6b528ac252a15e3839d65ae070e89b151ac9540db874e199a35bc031b197753</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2014</creationdate><topic>Aqueous solutions</topic><topic>Food</topic><topic>Food contamination & poisoning</topic><topic>Food Contamination - analysis</topic><topic>Food Technology - instrumentation</topic><topic>Food Technology - methods</topic><topic>Hydrophobic and Hydrophilic Interactions</topic><topic>Melamine</topic><topic>Nanowires</topic><topic>Nanowires - chemistry</topic><topic>Naphthols - chemistry</topic><topic>Organic Chemicals - chemistry</topic><topic>Organic liquids</topic><topic>Platforms</topic><topic>Raman scattering</topic><topic>Scattering</topic><topic>Sensors</topic><topic>Silver</topic><topic>Silver - chemistry</topic><topic>Spectrum Analysis, Raman</topic><topic>Surface Properties</topic><topic>Toxins</topic><topic>Triazines - chemistry</topic><topic>Water - chemistry</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Li, Xing</creatorcontrib><creatorcontrib>Lee, Hiang Kwee</creatorcontrib><creatorcontrib>Phang, In Yee</creatorcontrib><creatorcontrib>Lee, Choon Keong</creatorcontrib><creatorcontrib>Ling, Xing Yi</creatorcontrib><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>Aluminium Industry Abstracts</collection><collection>Biotechnology Research Abstracts</collection><collection>Ceramic Abstracts</collection><collection>Computer and Information Systems Abstracts</collection><collection>Corrosion Abstracts</collection><collection>Electronics & Communications Abstracts</collection><collection>Engineered Materials Abstracts</collection><collection>Materials Business File</collection><collection>Mechanical & Transportation Engineering Abstracts</collection><collection>Nucleic Acids Abstracts</collection><collection>Solid State and Superconductivity Abstracts</collection><collection>Toxicology Abstracts</collection><collection>Virology and AIDS Abstracts</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Environmental Sciences and Pollution Management</collection><collection>ANTE: Abstracts in New Technology & Engineering</collection><collection>Engineering Research Database</collection><collection>Aerospace Database</collection><collection>Copper Technical Reference Library</collection><collection>AIDS and Cancer Research Abstracts</collection><collection>Materials Research Database</collection><collection>ProQuest Computer Science Collection</collection><collection>Civil Engineering Abstracts</collection><collection>Advanced Technologies Database with Aerospace</collection><collection>Computer and Information Systems Abstracts Academic</collection><collection>Computer and Information Systems Abstracts Professional</collection><collection>Biotechnology and BioEngineering Abstracts</collection><collection>MEDLINE - Academic</collection><jtitle>Analytical chemistry (Washington)</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Li, Xing</au><au>Lee, Hiang Kwee</au><au>Phang, In Yee</au><au>Lee, Choon Keong</au><au>Ling, Xing Yi</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Superhydrophobic-Oleophobic Ag Nanowire Platform: An Analyte-Concentrating and Quantitative Aqueous and Organic Toxin Surface-Enhanced Raman Scattering Sensor</atitle><jtitle>Analytical chemistry (Washington)</jtitle><addtitle>Anal. Chem</addtitle><date>2014-10-21</date><risdate>2014</risdate><volume>86</volume><issue>20</issue><spage>10437</spage><epage>10444</epage><pages>10437-10444</pages><issn>0003-2700</issn><eissn>1520-6882</eissn><coden>ANCHAM</coden><abstract>The ultratrace detection and quantification of toxins in both water and organic liquids remains a challenge due to the random spreading and dilution of liquids on substrate-based sensors, especially for organic liquids with low surface tension. Herein, we fabricate a superhydrophobic-oleophobic (SHP-OP) 3D Ag nanowire mesh-like surface-enhanced Raman scattering (SERS) platform to overcome the random spreading issue, demonstrating ultratrace toxin sensing in both water and organic liquid. Our SHP-OP SERS platform is able to concentrate analyte solutions in water and toluene to 100-fold and 8-fold smaller areas, respectively, as compared to its omniphilic counterparts. The synergy of analyte-concentrating ability and intense SERS-enhancing properties on our SHP-OP SERS platform enables quantitative and ultratrace detection of melamine and Sudan I down to 0.1 fmol in water and toluene, respectively, using just 1 μL of analyte solution. These detection limits are 103-fold lower than the regulatory limits, clearly indicating our SHP-OP SERS platform as an appealing universal ultratrace toxin sensor. The ultratrace detection of spiked melamine in liquid milk down to 100 fmol also highlights the suitability of our SHP-OP SERS platform for the sensing of food toxins in real samples.</abstract><cop>United States</cop><pub>American Chemical Society</pub><pmid>25230236</pmid><doi>10.1021/ac502955w</doi><tpages>8</tpages></addata></record> |
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| source | MEDLINE; American Chemical Society Journals |
| subjects | Aqueous solutions Food Food contamination & poisoning Food Contamination - analysis Food Technology - instrumentation Food Technology - methods Hydrophobic and Hydrophilic Interactions Melamine Nanowires Nanowires - chemistry Naphthols - chemistry Organic Chemicals - chemistry Organic liquids Platforms Raman scattering Scattering Sensors Silver Silver - chemistry Spectrum Analysis, Raman Surface Properties Toxins Triazines - chemistry Water - chemistry |
| title | Superhydrophobic-Oleophobic Ag Nanowire Platform: An Analyte-Concentrating and Quantitative Aqueous and Organic Toxin Surface-Enhanced Raman Scattering Sensor |
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