A turn-on fluorescent sensor based on carbon dots from Sophora japonica leaves for the detection of glyphosate
Carbon dots (CDs) having low cost and low toxicity and synthesized via a green route were applied to establish a fluorescent nanoprobe for the measurement of glyphosate. The synthesis was realized via a one-pot hydrothermal procedure using Sophora japonica leaves as the carbon source. It was found t...
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| Veröffentlicht in: | Analytical methods 2020-09, Vol.12 (33), p.4130-4138 |
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| creator | Hou, Jingzhou Wang, Xianfeng Lan, Shiyu Zhang, Chao Hou, Changjun He, Qiang Huo, Danqun |
| description | Carbon dots (CDs) having low cost and low toxicity and synthesized via a green route were applied to establish a fluorescent nanoprobe for the measurement of glyphosate. The synthesis was realized via a one-pot hydrothermal procedure using Sophora japonica leaves as the carbon source. It was found that electron transfer occurred between Fe
and the as-prepared CDs. Therefore, Fe
exhibited a specific dynamic-quenching toward CDs. However, the electron transfer process was inhibited by glyphosate. The fluorescence of the quenched CDs/Fe
system was recovered by the addition of glyphosate. It resulted from the strong complexation between Fe
and the functional groups (like -PO
H
and -COOH) in the glyphosate molecule. These functional groups captured Fe
from the CD/Fe
system to reduce the electron transfer. With such a design, the rapid detection of glyphosate could be realized by this turn-on fluorescent sensor based on the CD/Fe
system. Under optimal conditions, the CD/Fe
system showed a concentration-dependent fluorescent response toward glyphosate in the linear range from 0.1 to 16 ppm. The limit of detection was calculated to be as low as 8.75 ppb (3σ/S). In addition, the successful detection of glyphosate in real samples with satisfactory recoveries exhibited a practical application of the CD/Fe
nanoprobe in food safety and environmental monitoring. |
| doi_str_mv | 10.1039/d0ay01241f |
| format | Article |
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and the as-prepared CDs. Therefore, Fe
exhibited a specific dynamic-quenching toward CDs. However, the electron transfer process was inhibited by glyphosate. The fluorescence of the quenched CDs/Fe
system was recovered by the addition of glyphosate. It resulted from the strong complexation between Fe
and the functional groups (like -PO
H
and -COOH) in the glyphosate molecule. These functional groups captured Fe
from the CD/Fe
system to reduce the electron transfer. With such a design, the rapid detection of glyphosate could be realized by this turn-on fluorescent sensor based on the CD/Fe
system. Under optimal conditions, the CD/Fe
system showed a concentration-dependent fluorescent response toward glyphosate in the linear range from 0.1 to 16 ppm. The limit of detection was calculated to be as low as 8.75 ppb (3σ/S). In addition, the successful detection of glyphosate in real samples with satisfactory recoveries exhibited a practical application of the CD/Fe
nanoprobe in food safety and environmental monitoring.</description><identifier>ISSN: 1759-9660</identifier><identifier>EISSN: 1759-9679</identifier><identifier>DOI: 10.1039/d0ay01241f</identifier><identifier>PMID: 32766639</identifier><language>eng</language><publisher>England: Royal Society of Chemistry</publisher><subject>Carbon ; Carbon dots ; Carbon sources ; Electron transfer ; Electrons ; Environmental monitoring ; Fluorescence ; Food safety ; Functional groups ; Glycine - analogs & derivatives ; Glyphosate ; Iron ; Plant Leaves ; Quantum Dots ; Sophora ; Sophora japonica ; Spectrometry, Fluorescence ; Toxicity</subject><ispartof>Analytical methods, 2020-09, Vol.12 (33), p.4130-4138</ispartof><rights>Copyright Royal Society of Chemistry 2020</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c308t-53fc27fae25c0469285f56b108c10b2ac3f5f1814cfbf37724781687b87b4a7b3</citedby><cites>FETCH-LOGICAL-c308t-53fc27fae25c0469285f56b108c10b2ac3f5f1814cfbf37724781687b87b4a7b3</cites><orcidid>0000-0002-7760-6647</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,777,781,27905,27906</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/32766639$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Hou, Jingzhou</creatorcontrib><creatorcontrib>Wang, Xianfeng</creatorcontrib><creatorcontrib>Lan, Shiyu</creatorcontrib><creatorcontrib>Zhang, Chao</creatorcontrib><creatorcontrib>Hou, Changjun</creatorcontrib><creatorcontrib>He, Qiang</creatorcontrib><creatorcontrib>Huo, Danqun</creatorcontrib><title>A turn-on fluorescent sensor based on carbon dots from Sophora japonica leaves for the detection of glyphosate</title><title>Analytical methods</title><addtitle>Anal Methods</addtitle><description>Carbon dots (CDs) having low cost and low toxicity and synthesized via a green route were applied to establish a fluorescent nanoprobe for the measurement of glyphosate. The synthesis was realized via a one-pot hydrothermal procedure using Sophora japonica leaves as the carbon source. It was found that electron transfer occurred between Fe
and the as-prepared CDs. Therefore, Fe
exhibited a specific dynamic-quenching toward CDs. However, the electron transfer process was inhibited by glyphosate. The fluorescence of the quenched CDs/Fe
system was recovered by the addition of glyphosate. It resulted from the strong complexation between Fe
and the functional groups (like -PO
H
and -COOH) in the glyphosate molecule. These functional groups captured Fe
from the CD/Fe
system to reduce the electron transfer. With such a design, the rapid detection of glyphosate could be realized by this turn-on fluorescent sensor based on the CD/Fe
system. Under optimal conditions, the CD/Fe
system showed a concentration-dependent fluorescent response toward glyphosate in the linear range from 0.1 to 16 ppm. The limit of detection was calculated to be as low as 8.75 ppb (3σ/S). In addition, the successful detection of glyphosate in real samples with satisfactory recoveries exhibited a practical application of the CD/Fe
nanoprobe in food safety and environmental monitoring.</description><subject>Carbon</subject><subject>Carbon dots</subject><subject>Carbon sources</subject><subject>Electron transfer</subject><subject>Electrons</subject><subject>Environmental monitoring</subject><subject>Fluorescence</subject><subject>Food safety</subject><subject>Functional groups</subject><subject>Glycine - analogs & derivatives</subject><subject>Glyphosate</subject><subject>Iron</subject><subject>Plant Leaves</subject><subject>Quantum Dots</subject><subject>Sophora</subject><subject>Sophora japonica</subject><subject>Spectrometry, Fluorescence</subject><subject>Toxicity</subject><issn>1759-9660</issn><issn>1759-9679</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2020</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNo9kEFLAzEQhYMotlYv_gAJeBNWJ8lusnss1apQ8KAePC1JNrEt282aZIX-e6OthYEZmO-9YR5ClwRuCbDqrgG5BUJzYo_QmIiiyiouquPDzGGEzkJYA_CKcXKKRowKzjmrxqib4jj4LnMdtu3gvAnadBEH0wXnsZLBNDjttPQqtcbFgK13G_zq-qXzEq9l77qVlrg18tukZVLFpcGNiUbHVdI4iz_bbaKDjOYcnVjZBnOx7xP0Pn94mz1li5fH59l0kWkGZcwKZjUVVhpaaMh5RcvCFlwRKDUBRaVmtrCkJLm2yjIhaC5KwkuhUuVSKDZB1zvf3ruvwYRYr116M52sac5EDkAKmqibHaW9C8EbW_d-tZF-WxOof6Ot72H68RftPMFXe8tBbUxzQP-zZD8KlHR-</recordid><startdate>20200907</startdate><enddate>20200907</enddate><creator>Hou, Jingzhou</creator><creator>Wang, Xianfeng</creator><creator>Lan, Shiyu</creator><creator>Zhang, Chao</creator><creator>Hou, Changjun</creator><creator>He, Qiang</creator><creator>Huo, Danqun</creator><general>Royal Society of Chemistry</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>7SE</scope><scope>7SR</scope><scope>7U5</scope><scope>8BQ</scope><scope>8FD</scope><scope>FR3</scope><scope>H8G</scope><scope>JG9</scope><scope>L7M</scope><scope>P64</scope><orcidid>https://orcid.org/0000-0002-7760-6647</orcidid></search><sort><creationdate>20200907</creationdate><title>A turn-on fluorescent sensor based on carbon dots from Sophora japonica leaves for the detection of glyphosate</title><author>Hou, Jingzhou ; Wang, Xianfeng ; Lan, Shiyu ; Zhang, Chao ; Hou, Changjun ; He, Qiang ; Huo, Danqun</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c308t-53fc27fae25c0469285f56b108c10b2ac3f5f1814cfbf37724781687b87b4a7b3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2020</creationdate><topic>Carbon</topic><topic>Carbon dots</topic><topic>Carbon sources</topic><topic>Electron transfer</topic><topic>Electrons</topic><topic>Environmental monitoring</topic><topic>Fluorescence</topic><topic>Food safety</topic><topic>Functional groups</topic><topic>Glycine - analogs & derivatives</topic><topic>Glyphosate</topic><topic>Iron</topic><topic>Plant Leaves</topic><topic>Quantum Dots</topic><topic>Sophora</topic><topic>Sophora japonica</topic><topic>Spectrometry, Fluorescence</topic><topic>Toxicity</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Hou, Jingzhou</creatorcontrib><creatorcontrib>Wang, Xianfeng</creatorcontrib><creatorcontrib>Lan, Shiyu</creatorcontrib><creatorcontrib>Zhang, Chao</creatorcontrib><creatorcontrib>Hou, Changjun</creatorcontrib><creatorcontrib>He, Qiang</creatorcontrib><creatorcontrib>Huo, Danqun</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>Corrosion Abstracts</collection><collection>Engineered Materials Abstracts</collection><collection>Solid State and Superconductivity Abstracts</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Engineering Research Database</collection><collection>Copper Technical Reference Library</collection><collection>Materials Research Database</collection><collection>Advanced Technologies Database with Aerospace</collection><collection>Biotechnology and BioEngineering Abstracts</collection><jtitle>Analytical methods</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Hou, Jingzhou</au><au>Wang, Xianfeng</au><au>Lan, Shiyu</au><au>Zhang, Chao</au><au>Hou, Changjun</au><au>He, Qiang</au><au>Huo, Danqun</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>A turn-on fluorescent sensor based on carbon dots from Sophora japonica leaves for the detection of glyphosate</atitle><jtitle>Analytical methods</jtitle><addtitle>Anal Methods</addtitle><date>2020-09-07</date><risdate>2020</risdate><volume>12</volume><issue>33</issue><spage>4130</spage><epage>4138</epage><pages>4130-4138</pages><issn>1759-9660</issn><eissn>1759-9679</eissn><abstract>Carbon dots (CDs) having low cost and low toxicity and synthesized via a green route were applied to establish a fluorescent nanoprobe for the measurement of glyphosate. The synthesis was realized via a one-pot hydrothermal procedure using Sophora japonica leaves as the carbon source. It was found that electron transfer occurred between Fe
and the as-prepared CDs. Therefore, Fe
exhibited a specific dynamic-quenching toward CDs. However, the electron transfer process was inhibited by glyphosate. The fluorescence of the quenched CDs/Fe
system was recovered by the addition of glyphosate. It resulted from the strong complexation between Fe
and the functional groups (like -PO
H
and -COOH) in the glyphosate molecule. These functional groups captured Fe
from the CD/Fe
system to reduce the electron transfer. With such a design, the rapid detection of glyphosate could be realized by this turn-on fluorescent sensor based on the CD/Fe
system. Under optimal conditions, the CD/Fe
system showed a concentration-dependent fluorescent response toward glyphosate in the linear range from 0.1 to 16 ppm. The limit of detection was calculated to be as low as 8.75 ppb (3σ/S). In addition, the successful detection of glyphosate in real samples with satisfactory recoveries exhibited a practical application of the CD/Fe
nanoprobe in food safety and environmental monitoring.</abstract><cop>England</cop><pub>Royal Society of Chemistry</pub><pmid>32766639</pmid><doi>10.1039/d0ay01241f</doi><tpages>9</tpages><orcidid>https://orcid.org/0000-0002-7760-6647</orcidid></addata></record> |
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| source | MEDLINE; Royal Society Of Chemistry Journals 2008- |
| subjects | Carbon Carbon dots Carbon sources Electron transfer Electrons Environmental monitoring Fluorescence Food safety Functional groups Glycine - analogs & derivatives Glyphosate Iron Plant Leaves Quantum Dots Sophora Sophora japonica Spectrometry, Fluorescence Toxicity |
| title | A turn-on fluorescent sensor based on carbon dots from Sophora japonica leaves for the detection of glyphosate |
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