Melamine Sensing in Milk Products by Using Surface Enhanced Raman Scattering
Simple and rapid detection of trace amounts of melamine in milk products has been achieved with a portable sensor system based on surface-enhanced Raman scattering (SERS). The sensor system comprised high-performance gold nanofinger SERS sensor chips and a custom-built prototype portable Raman spect...
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| Veröffentlicht in: | Analytical chemistry (Washington) 2012-11, Vol.84 (21), p.9303-9309 |
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| container_title | Analytical chemistry (Washington) |
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| creator | Kim, Ansoon Barcelo, Steven J Williams, R. Stanley Li, Zhiyong |
| description | Simple and rapid detection of trace amounts of melamine in milk products has been achieved with a portable sensor system based on surface-enhanced Raman scattering (SERS). The sensor system comprised high-performance gold nanofinger SERS sensor chips and a custom-built prototype portable Raman spectrometer. Compared to the FDA procedure and previously reported studies that were limited to laboratory settings, our sampling and analytical methods are simple (with one sampling step), less time-consuming, and cost-effective. We found the limit of detection (LOD) of the melamine is 120 parts per trillion (ppt) in water and 100 parts per billion (ppb) in infant formula, which are well below the FDA’s tolerance level of 1 ppm in infant formula. |
| doi_str_mv | 10.1021/ac302025q |
| format | Article |
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We found the limit of detection (LOD) of the melamine is 120 parts per trillion (ppt) in water and 100 parts per billion (ppb) in infant formula, which are well below the FDA’s tolerance level of 1 ppm in infant formula.</description><identifier>ISSN: 0003-2700</identifier><identifier>EISSN: 1520-6882</identifier><identifier>DOI: 10.1021/ac302025q</identifier><identifier>PMID: 23043560</identifier><identifier>CODEN: ANCHAM</identifier><language>eng</language><publisher>Washington, DC: American Chemical Society</publisher><subject>Analytical chemistry ; Baby foods ; Chemistry ; Exact sciences and technology ; General, instrumentation ; Milk ; Sampling ; Scattering ; Spectrometric and optical methods ; Spectrum analysis</subject><ispartof>Analytical chemistry (Washington), 2012-11, Vol.84 (21), p.9303-9309</ispartof><rights>Copyright © 2012 American Chemical Society</rights><rights>2014 INIST-CNRS</rights><rights>Copyright American Chemical Society Nov 6, 2012</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-a373t-f3f403ebfc1c93fd39ae39510f1e0de19d0bd7aa51ed81c77a70076cea50a303</citedby><cites>FETCH-LOGICAL-a373t-f3f403ebfc1c93fd39ae39510f1e0de19d0bd7aa51ed81c77a70076cea50a303</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/ac302025q$$EPDF$$P50$$Gacs$$H</linktopdf><linktohtml>$$Uhttps://pubs.acs.org/doi/10.1021/ac302025q$$EHTML$$P50$$Gacs$$H</linktohtml><link.rule.ids>314,776,780,2752,27053,27901,27902,56713,56763</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=26620253$$DView record in Pascal Francis$$Hfree_for_read</backlink><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/23043560$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Kim, Ansoon</creatorcontrib><creatorcontrib>Barcelo, Steven J</creatorcontrib><creatorcontrib>Williams, R. 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We found the limit of detection (LOD) of the melamine is 120 parts per trillion (ppt) in water and 100 parts per billion (ppb) in infant formula, which are well below the FDA’s tolerance level of 1 ppm in infant formula.</description><subject>Analytical chemistry</subject><subject>Baby foods</subject><subject>Chemistry</subject><subject>Exact sciences and technology</subject><subject>General, instrumentation</subject><subject>Milk</subject><subject>Sampling</subject><subject>Scattering</subject><subject>Spectrometric and optical methods</subject><subject>Spectrum analysis</subject><issn>0003-2700</issn><issn>1520-6882</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2012</creationdate><recordtype>article</recordtype><recordid>eNpl0E1P4zAQBmALLYLycdg_gCytVoJDYCZTJ-0RIRaQikAUztHUGS9hEwfs5MC_J4XyoeU0Bz96PfMq9RPhECHFI7YEKaTmaU2N0KSQZJNJ-kONAICSNAfYVFsxPgAgAmYbajMlGJPJYKRml1JzU3nRc_Gx8n915fVlVf_T16Ete9tFvXjWd68v8z44tqJP_T17K6W-4Ya9nlvuOgmD2FHrjusou6u5rW7_nN6enCezq7OLk-NZwpRTlzhyYyBZOIt2Sq6kKQtNDYJDgVJwWsKizJkNSjlBm-c8nJBnVtgAE9C22n-LfQztUy-xK5oqWqlr9tL2sUAcoyHKAQf66z_60PbBD8st1RgMpGQGdfCmbGhjDOKKx1A1HJ4LhGLZcPHR8GD3Von9opHyQ75XOoDfK8DRcu3C0FUVP12WLYPo07GNX7b69uEL94CM8w</recordid><startdate>20121106</startdate><enddate>20121106</enddate><creator>Kim, Ansoon</creator><creator>Barcelo, Steven J</creator><creator>Williams, R. 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| source | ACS Publications |
| subjects | Analytical chemistry Baby foods Chemistry Exact sciences and technology General, instrumentation Milk Sampling Scattering Spectrometric and optical methods Spectrum analysis |
| title | Melamine Sensing in Milk Products by Using Surface Enhanced Raman Scattering |
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