Nitrogen‐doped carbon dots as a fluorescent probe for the highly sensitive detection of Ag+ and cell imaging
An easy hydrothermal synthesis strategy was applied to synthesize green‐yellow emitting nitrogen‐doped carbon dots (N‐CDs) using 1,2‐diaminobenzene as the carbon source, and dicyandiamide as the dopant. The nitrogen‐doped CDs resulted in improvement in the electronic characteristics and surface chem...
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| Veröffentlicht in: | Luminescence (Chichester, England) England), 2018-02, Vol.33 (1), p.243-248 |
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| container_title | Luminescence (Chichester, England) |
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| creator | Li, Junjian Zuo, Gancheng Pan, Xihao Wei, Wei Qi, Xiaoliang Su, Ting Dong, Wei |
| description | An easy hydrothermal synthesis strategy was applied to synthesize green‐yellow emitting nitrogen‐doped carbon dots (N‐CDs) using 1,2‐diaminobenzene as the carbon source, and dicyandiamide as the dopant. The nitrogen‐doped CDs resulted in improvement in the electronic characteristics and surface chemical activities. N‐CDs exhibited bright fluorescence emission and could response to Ag+ selectively and sensitively. Other ions produced nearly no interference. A N‐CDs based fluorescent probe was then applied to sensitively determine Ag+ with a detection limit of 5 × 10−8 mol/L. The method was applied to the determination of Ag+ dissolved in water. Finally, negligibly cytotoxic, excellently biocompatibile, and highly fluorescent carbon dots were applied for HepG2 cell imaging and the quenched fluorescence by adding Ag+, which indicated its potential applications. |
| doi_str_mv | 10.1002/bio.3407 |
| format | Article |
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The nitrogen‐doped CDs resulted in improvement in the electronic characteristics and surface chemical activities. N‐CDs exhibited bright fluorescence emission and could response to Ag+ selectively and sensitively. Other ions produced nearly no interference. A N‐CDs based fluorescent probe was then applied to sensitively determine Ag+ with a detection limit of 5 × 10−8 mol/L. The method was applied to the determination of Ag+ dissolved in water. 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Finally, negligibly cytotoxic, excellently biocompatibile, and highly fluorescent carbon dots were applied for HepG2 cell imaging and the quenched fluorescence by adding Ag+, which indicated its potential applications.</description><subject>Ag+ detection</subject><subject>Biocompatibility</subject><subject>Carbon</subject><subject>Carbon dots</subject><subject>Carbon sources</subject><subject>cell imaging</subject><subject>Cytotoxicity</subject><subject>Detection</subject><subject>Fluorescence</subject><subject>green synthesis</subject><subject>Imaging techniques</subject><subject>Nitrogen</subject><subject>N‐doped carbon dots</subject><subject>Quenching</subject><issn>1522-7235</issn><issn>1522-7243</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2018</creationdate><recordtype>article</recordtype><recordid>eNp1kd1KHDEYhkOpdNUWegUl4IkgY_M_M4cq9QdET9rjIZl8M5tlNtkmM8qeeQm9xl5Js66uIBQCXw6ePLxfXoS-UnJKCWHfjQunXJDyA9qnkrGiZIJ_3N25nKGDlBaEEKVU_QnNWE2EJFzuI3_nxhh68H-f_tiwAotbHU3w2IYxYZ0P7oYpREgt-BGvYjCAuxDxOAc8d_18WOMEPrnRPQC2MEI7uvw8dPisP8HaZyEMA3ZL3Tvff0Z7nR4SfHmZh-jX5Y-fF9fF7f3VzcXZbdHyipeFFtpy2pVQgyFKaArG5KGlatuyZoQqRo3NQF2KyhrKqBWVEMCoEEpJzg_R8dabA_-eII3N0qVNEO0hTKmhtWSS1YzRjB69Qxdhij6ny1SlpKh4Vb8J2xhSitA1q5h3iuuGkmbTQZM7aDYdZPTbi3AyS7A78PXTM1BsgUc3wPq_oub85v5Z-A8qAY_A</recordid><startdate>201802</startdate><enddate>201802</enddate><creator>Li, Junjian</creator><creator>Zuo, Gancheng</creator><creator>Pan, Xihao</creator><creator>Wei, Wei</creator><creator>Qi, Xiaoliang</creator><creator>Su, Ting</creator><creator>Dong, Wei</creator><general>Wiley Subscription Services, Inc</general><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7QF</scope><scope>7QO</scope><scope>7QP</scope><scope>7QQ</scope><scope>7SC</scope><scope>7SE</scope><scope>7SP</scope><scope>7SR</scope><scope>7TA</scope><scope>7TB</scope><scope>7U5</scope><scope>7U7</scope><scope>8BQ</scope><scope>8FD</scope><scope>C1K</scope><scope>F1W</scope><scope>F28</scope><scope>FR3</scope><scope>H8D</scope><scope>H8G</scope><scope>H95</scope><scope>JG9</scope><scope>JQ2</scope><scope>KR7</scope><scope>L.G</scope><scope>L7M</scope><scope>L~C</scope><scope>L~D</scope><scope>P64</scope><scope>7X8</scope><orcidid>https://orcid.org/0000-0002-6712-8960</orcidid></search><sort><creationdate>201802</creationdate><title>Nitrogen‐doped carbon dots as a fluorescent probe for the highly sensitive detection of Ag+ and cell imaging</title><author>Li, Junjian ; 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| source | Wiley Online Library Journals Frontfile Complete |
| subjects | Ag+ detection Biocompatibility Carbon Carbon dots Carbon sources cell imaging Cytotoxicity Detection Fluorescence green synthesis Imaging techniques Nitrogen N‐doped carbon dots Quenching |
| title | Nitrogen‐doped carbon dots as a fluorescent probe for the highly sensitive detection of Ag+ and cell imaging |
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