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| Preparation of Cellulose Nanocrystal Fluorescent Probe for Fe3+ Sensing |
| Received:July 26, 2019 |
| DOI：10.11981/j.issn.1000-6842.2020.04.01 |
| Key Words:cellulose nanocrystals;fluorescent probe;specific recognition;Fe3+ |
| Fund Project:江苏省自然科学基金（BK20171450）；国家重点研究开发项目（2017YFD0601005）；生物基材料与绿色造纸国家重点实验室基金（No.KF201804）；齐鲁工业大学、山东科学院和江苏省高等院校优先学科建设（PAPD）。 |
| Author Name | Affiliation | Postcode | | CHU Youlu* | State Key Laboratory of Bio-based Materials and Green Papermaking， Qilu University of Technology （Shandong Academy of Sciences）， Ji'nan， Shandong Province， 250353
Jiangsu Co-Innovation Center for Efficient Processing and Utilization of Forest Resources， Nanjing Forestry University， Nanjing， Jiangsu Province， 210037 | 210037 | | SONG Ruyuan | Jiangsu Co-Innovation Center for Efficient Processing and Utilization of Forest Resources， Nanjing Forestry University， Nanjing， Jiangsu Province， 210037 | 210037 | | DAI Hongqi | Jiangsu Co-Innovation Center for Efficient Processing and Utilization of Forest Resources， Nanjing Forestry University， Nanjing， Jiangsu Province， 210037 | 210037 | | WU Weibing | State Key Laboratory of Bio-based Materials and Green Papermaking， Qilu University of Technology （Shandong Academy of Sciences）， Ji'nan， Shandong Province， 250353
Jiangsu Co-Innovation Center for Efficient Processing and Utilization of Forest Resources， Nanjing Forestry University， Nanjing， Jiangsu Province， 210037 | 210037 |
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| Abstract: |
| In this study， cellulose nanocrystal （CNC） was covalently bonded with N-（4-aminophenyl）-4-（N，N-dimethylenediamine）-1，8-naphthalimide （EADANI） to prepare fluorescent probe （FCNC）， which was further applied for the fluorescence detection of Fe3+. The study results found that because of the presence of surface carboxyl and hydroxyl groups， FCNC possessed good water dispersibility and intense yellow fluorescence emission in aqueous solution. FCNC showed selective detection performance for Fe3+ with the fluorescence enhancement factor high up to 9.5. In addition， FCNC had good anti-interference ability in the presence of competitive metal ions. |
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