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MoS2-QD-Based Dual-Model Photoluminescence Sensing Platform for Effective Determination of Al3+ and Fe3+ Simultaneously in Various Environment
Wu, Qian; Wang, Xiaojie; Jiang, Yingnan; Sun, Weiyi; Wang, Chuanxi; Yang, Minghui; Zhang, Chi
2018
发表期刊CHEMISTRYSELECT
卷号3期号:8页码:2326-2331
摘要The development of a sensitive sensing platform with multiple ions recognition ability in various environment is of great importance. In this paper, cysteine-functionalized MoS2 quantum dots (Cys-MoS2 QDs) with stable fluorescence are synthesized by a simple amidation reaction. The resultant Cys-MoS2 QDs show good dispersion in aqueous solution and blue emission ((em)= 428nm) with a quantum yield (approximate to 5%). The Cys-MoS2 QDs drastically have improved the surface chemical reactivities, which exhibit sensitive and selective turn-on response to Al3+ and turn-off response to Fe3+ simultaneously. Furthermore, we testify the feasibility of applying this fluorescent probe for real sample analysis through the detection of Al3+ and Fe3+ ions in lake water and tap water. Moreover, using HeLa cells as the model, the resultant nanosensor is demonstrated to monitor Al3+ and Fe3+ ions in living cells. Thus, resultant Cys-MoS2 QDs could be used as a turn-on and turn-off dual-model photoluminescence sensing platform for effective determination of Al3+ and Fe3+ simultaneously in various environment.
关键词Aggregation-induced Emission Rapid Sonochemical Synthesis Hydrogen Evolution Reaction Mammalian Iron-metabolism Graphene Quantum Dots Living Cells Carbon-dots Sensitive Detection Fluorescent-probe Copper Nanoclusters
学科领域Materials Science ; Physics
语种英语
文献类型期刊论文
条目标识符http://ir.nimte.ac.cn/handle/174433/16793
专题2018专题
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GB/T 7714
Wu, Qian,Wang, Xiaojie,Jiang, Yingnan,et al. MoS2-QD-Based Dual-Model Photoluminescence Sensing Platform for Effective Determination of Al3+ and Fe3+ Simultaneously in Various Environment[J]. CHEMISTRYSELECT,2018,3(8):2326-2331.
APA Wu, Qian.,Wang, Xiaojie.,Jiang, Yingnan.,Sun, Weiyi.,Wang, Chuanxi.,...&Zhang, Chi.(2018).MoS2-QD-Based Dual-Model Photoluminescence Sensing Platform for Effective Determination of Al3+ and Fe3+ Simultaneously in Various Environment.CHEMISTRYSELECT,3(8),2326-2331.
MLA Wu, Qian,et al."MoS2-QD-Based Dual-Model Photoluminescence Sensing Platform for Effective Determination of Al3+ and Fe3+ Simultaneously in Various Environment".CHEMISTRYSELECT 3.8(2018):2326-2331.
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