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Efficient and Monochromatic Electrochemiluminescence of Aqueous‐Soluble Au Nanoclusters via Host–Guest Recognition
Inspired by the enhanced photoluminescence of Au nanoclusters (AuNCs) with a rigid shell, the formation of rigid host–guest assemblies on AuNC surfaces was employed to screen novel electrochemiluminophores with 6‐aza‐2‐thiothymine(ATT)‐protected AuNCs (ATT‐AuNCs) and l‐arginine (ARG) as models for t...
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Published in: | Angewandte Chemie 2019-05, Vol.131 (21), p.6975-6979 |
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description | Inspired by the enhanced photoluminescence of Au nanoclusters (AuNCs) with a rigid shell, the formation of rigid host–guest assemblies on AuNC surfaces was employed to screen novel electrochemiluminophores with 6‐aza‐2‐thiothymine(ATT)‐protected AuNCs (ATT‐AuNCs) and l‐arginine (ARG) as models for the first time. The rigid host–guest assemblies formed between ARG and ATT on the ATT‐AuNC surface enabled aqueous‐soluble ARG/ATT‐AuNCs with a dramatically enhanced electrochemiluminescence (ECL) compared to ATT‐AuNCs. This includes one cathodic ECL process (−1.30 V) and three anodic ECL processes (+0.78, 0.90, and 1.05 V) in a so‐called half‐scan experiment without a co‐reactant, as well as a 70‐fold enhanced oxidative‐reduction ECL at +0.78 V with tri‐n‐propylamine as a co‐reactant. Importantly, the ECL of the ARG/ATT‐AuNCs is highly monochromatic with an emission maximum around 532 nm and a full width at half‐maximum of 36 nm, which is of great interest for color‐selective ECL assays.
Auf einer Wellenlänge: Eine vielversprechende Strategie zum Screening von umweltfreundlichen, biokompatiblen und effizienten Elektrochemiluminophoren wird vorgestellt. Das Funktionsprinzip beruht auf einer Rigidifizierung der Au‐Nanoclusterschale durch Wirt‐Gast‐Erkennung. |
doi_str_mv | 10.1002/ange.201900115 |
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Auf einer Wellenlänge: Eine vielversprechende Strategie zum Screening von umweltfreundlichen, biokompatiblen und effizienten Elektrochemiluminophoren wird vorgestellt. Das Funktionsprinzip beruht auf einer Rigidifizierung der Au‐Nanoclusterschale durch Wirt‐Gast‐Erkennung.</description><identifier>ISSN: 0044-8249</identifier><identifier>EISSN: 1521-3757</identifier><identifier>DOI: 10.1002/ange.201900115</identifier><language>eng</language><publisher>Weinheim: Wiley Subscription Services, Inc</publisher><subject>Arginine ; Assemblies ; Au-Nanocluster ; Chemistry ; Electrochemiluminescence ; Elektrochemilumineszenz ; Monochromatische Elektrochemiluminophore ; Nanoclusters ; Photoluminescence ; Photons ; Wasserlöslichkeit ; Wirt-Gast-Erkennung</subject><ispartof>Angewandte Chemie, 2019-05, Vol.131 (21), p.6975-6979</ispartof><rights>2019 Wiley‐VCH Verlag GmbH & Co. KGaA, Weinheim</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c1625-e3767c352490761688fada7f6933aff39d4be0dee1f73304bc425bae512a6b2b3</citedby><cites>FETCH-LOGICAL-c1625-e3767c352490761688fada7f6933aff39d4be0dee1f73304bc425bae512a6b2b3</cites><orcidid>0000-0001-5331-8731 ; 0000-0002-3295-3848</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://onlinelibrary.wiley.com/doi/pdf/10.1002%2Fange.201900115$$EPDF$$P50$$Gwiley$$H</linktopdf><linktohtml>$$Uhttps://onlinelibrary.wiley.com/doi/full/10.1002%2Fange.201900115$$EHTML$$P50$$Gwiley$$H</linktohtml><link.rule.ids>315,786,790,27957,27958,50923,51032</link.rule.ids></links><search><creatorcontrib>Yang, Liqiong</creatorcontrib><creatorcontrib>Zhang, Bin</creatorcontrib><creatorcontrib>Fu, Li</creatorcontrib><creatorcontrib>Fu, Kena</creatorcontrib><creatorcontrib>Zou, Guizheng</creatorcontrib><title>Efficient and Monochromatic Electrochemiluminescence of Aqueous‐Soluble Au Nanoclusters via Host–Guest Recognition</title><title>Angewandte Chemie</title><description>Inspired by the enhanced photoluminescence of Au nanoclusters (AuNCs) with a rigid shell, the formation of rigid host–guest assemblies on AuNC surfaces was employed to screen novel electrochemiluminophores with 6‐aza‐2‐thiothymine(ATT)‐protected AuNCs (ATT‐AuNCs) and l‐arginine (ARG) as models for the first time. The rigid host–guest assemblies formed between ARG and ATT on the ATT‐AuNC surface enabled aqueous‐soluble ARG/ATT‐AuNCs with a dramatically enhanced electrochemiluminescence (ECL) compared to ATT‐AuNCs. This includes one cathodic ECL process (−1.30 V) and three anodic ECL processes (+0.78, 0.90, and 1.05 V) in a so‐called half‐scan experiment without a co‐reactant, as well as a 70‐fold enhanced oxidative‐reduction ECL at +0.78 V with tri‐n‐propylamine as a co‐reactant. Importantly, the ECL of the ARG/ATT‐AuNCs is highly monochromatic with an emission maximum around 532 nm and a full width at half‐maximum of 36 nm, which is of great interest for color‐selective ECL assays.
Auf einer Wellenlänge: Eine vielversprechende Strategie zum Screening von umweltfreundlichen, biokompatiblen und effizienten Elektrochemiluminophoren wird vorgestellt. Das Funktionsprinzip beruht auf einer Rigidifizierung der Au‐Nanoclusterschale durch Wirt‐Gast‐Erkennung.</description><subject>Arginine</subject><subject>Assemblies</subject><subject>Au-Nanocluster</subject><subject>Chemistry</subject><subject>Electrochemiluminescence</subject><subject>Elektrochemilumineszenz</subject><subject>Monochromatische Elektrochemiluminophore</subject><subject>Nanoclusters</subject><subject>Photoluminescence</subject><subject>Photons</subject><subject>Wasserlöslichkeit</subject><subject>Wirt-Gast-Erkennung</subject><issn>0044-8249</issn><issn>1521-3757</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2019</creationdate><recordtype>article</recordtype><recordid>eNqFkMtKw0AUhgdRsFa3rgdcp84lyTTLUGIVagUv6zCZnqlT0pl2Jql010cQfMM-iSkVXbo6cPi_c34-hK4pGVBC2K20cxgwQjNCKE1OUI8mjEZcJOIU9QiJ42jI4uwcXYSwIISkTGQ9tCm0NsqAbbC0M_zorFPv3i1lYxQualCN7xawNHW7NBaCAqsAO43zdQuuDfvd54ur26oGnLd4Kju8bkMDPuCNkfjehWa_-xq3EBr8DMrNrWmMs5foTMs6wNXP7KO3u-J1dB9NnsYPo3wSKZqyJAIuUqF40vUmIqXpcKjlTAqdZpxLrXk2iysgMwCqBeckrlTMkkpCQplMK1bxPro53l15tz6UKBeu9bZ7WTLGuGA8obRLDY4p5V0IHnS58mYp_bakpDy4LQ9uy1-3HZAdgQ9Tw_afdJlPx8Uf-w3Ed4Gy</recordid><startdate>20190520</startdate><enddate>20190520</enddate><creator>Yang, Liqiong</creator><creator>Zhang, Bin</creator><creator>Fu, Li</creator><creator>Fu, Kena</creator><creator>Zou, Guizheng</creator><general>Wiley Subscription Services, Inc</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7SR</scope><scope>7U5</scope><scope>8BQ</scope><scope>8FD</scope><scope>JG9</scope><scope>L7M</scope><orcidid>https://orcid.org/0000-0001-5331-8731</orcidid><orcidid>https://orcid.org/0000-0002-3295-3848</orcidid></search><sort><creationdate>20190520</creationdate><title>Efficient and Monochromatic Electrochemiluminescence of Aqueous‐Soluble Au Nanoclusters via Host–Guest Recognition</title><author>Yang, Liqiong ; Zhang, Bin ; Fu, Li ; Fu, Kena ; Zou, Guizheng</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c1625-e3767c352490761688fada7f6933aff39d4be0dee1f73304bc425bae512a6b2b3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2019</creationdate><topic>Arginine</topic><topic>Assemblies</topic><topic>Au-Nanocluster</topic><topic>Chemistry</topic><topic>Electrochemiluminescence</topic><topic>Elektrochemilumineszenz</topic><topic>Monochromatische Elektrochemiluminophore</topic><topic>Nanoclusters</topic><topic>Photoluminescence</topic><topic>Photons</topic><topic>Wasserlöslichkeit</topic><topic>Wirt-Gast-Erkennung</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Yang, Liqiong</creatorcontrib><creatorcontrib>Zhang, Bin</creatorcontrib><creatorcontrib>Fu, Li</creatorcontrib><creatorcontrib>Fu, Kena</creatorcontrib><creatorcontrib>Zou, Guizheng</creatorcontrib><collection>CrossRef</collection><collection>Engineered Materials Abstracts</collection><collection>Solid State and Superconductivity Abstracts</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><collection>Advanced Technologies Database with Aerospace</collection><jtitle>Angewandte Chemie</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Yang, Liqiong</au><au>Zhang, Bin</au><au>Fu, Li</au><au>Fu, Kena</au><au>Zou, Guizheng</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Efficient and Monochromatic Electrochemiluminescence of Aqueous‐Soluble Au Nanoclusters via Host–Guest Recognition</atitle><jtitle>Angewandte Chemie</jtitle><date>2019-05-20</date><risdate>2019</risdate><volume>131</volume><issue>21</issue><spage>6975</spage><epage>6979</epage><pages>6975-6979</pages><issn>0044-8249</issn><eissn>1521-3757</eissn><abstract>Inspired by the enhanced photoluminescence of Au nanoclusters (AuNCs) with a rigid shell, the formation of rigid host–guest assemblies on AuNC surfaces was employed to screen novel electrochemiluminophores with 6‐aza‐2‐thiothymine(ATT)‐protected AuNCs (ATT‐AuNCs) and l‐arginine (ARG) as models for the first time. The rigid host–guest assemblies formed between ARG and ATT on the ATT‐AuNC surface enabled aqueous‐soluble ARG/ATT‐AuNCs with a dramatically enhanced electrochemiluminescence (ECL) compared to ATT‐AuNCs. This includes one cathodic ECL process (−1.30 V) and three anodic ECL processes (+0.78, 0.90, and 1.05 V) in a so‐called half‐scan experiment without a co‐reactant, as well as a 70‐fold enhanced oxidative‐reduction ECL at +0.78 V with tri‐n‐propylamine as a co‐reactant. Importantly, the ECL of the ARG/ATT‐AuNCs is highly monochromatic with an emission maximum around 532 nm and a full width at half‐maximum of 36 nm, which is of great interest for color‐selective ECL assays.
Auf einer Wellenlänge: Eine vielversprechende Strategie zum Screening von umweltfreundlichen, biokompatiblen und effizienten Elektrochemiluminophoren wird vorgestellt. Das Funktionsprinzip beruht auf einer Rigidifizierung der Au‐Nanoclusterschale durch Wirt‐Gast‐Erkennung.</abstract><cop>Weinheim</cop><pub>Wiley Subscription Services, Inc</pub><doi>10.1002/ange.201900115</doi><tpages>5</tpages><orcidid>https://orcid.org/0000-0001-5331-8731</orcidid><orcidid>https://orcid.org/0000-0002-3295-3848</orcidid></addata></record> |
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subjects | Arginine Assemblies Au-Nanocluster Chemistry Electrochemiluminescence Elektrochemilumineszenz Monochromatische Elektrochemiluminophore Nanoclusters Photoluminescence Photons Wasserlöslichkeit Wirt-Gast-Erkennung |
title | Efficient and Monochromatic Electrochemiluminescence of Aqueous‐Soluble Au Nanoclusters via Host–Guest Recognition |
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