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Tang, Lijun,Guo, Jiaojiao,Huang, Zhenlong Korean Chemical Society 2013 Bulletin of the Korean Chemical Society Vol.34 No.4
A known $Hg^{2+}$ selective rhodamine B derivatised probe 1 was reinvestigated as a colorimetric and fluorescent probe for $Cu^{2+}$ through changing the applied solvent media. Probe 1 exhibited good selectivity and sensitivity to $Cu^{2+}$ in $CH_3CN-H_2O$ (7:3, v/v, HEPES 10 mM, pH 7.0) solution with a detection limit of $9.74{\times}10^{-7}$ M. The $Cu^{2+}$ sensing event was proved to be irreversible through hydrolysis of 1 to release rhodamine B.
Lijun Tang,Jiaojiao Guo,Zhenlong Huang 대한화학회 2013 Bulletin of the Korean Chemical Society Vol.34 No.4
A known Hg2+ selective rhodamine B derivatised probe 1 was reinvestigated as a colorimetric and fluorescent probe for Cu2+ through changing the applied solvent media. Probe 1 exhibited good selectivity and sensitivity to Cu2+ in CH3CN-H2O (7:3, v/v, HEPES 10 mM, pH 7.0) solution with a detection limit of 9.74 × 10−7 M. The Cu2+ sensing event was proved to be irreversible through hydrolysis of 1 to release rhodamine B.
Tang, Lijun,Guo, Jiaojiao,Wang, Nannan Korean Chemical Society 2013 Bulletin of the Korean Chemical Society Vol.34 No.1
A new Rhodamine B hydrazide hydrazone 1 has been synthesized and investigated as a colorimetric and fluorescent "off-on" sensor for the recognition of $Cu^{2+}$ in $CH_3CN/H_2O$ (1:1, v/v, HEPES 10 mM, pH = 7.0) solution. Sensor 1 displayed highly selective, sensitive and rapid recognition behavior toward $Cu^{2+}$ among a range of biologically and environmentally important metal ions. Sensor 1 bind $Cu^{2+}$ via a 1:1 stoichiometry with an association constant of $1.92{\times}10^6\;M^{-1}$, and the detection limit is evaluated to be $7.96{\times}10^{-8}\;M$. The $Cu^{2+}$ recognition event is reversible and is barely interfered by other coexisting metal ions.
Lihuan Xu,Jiaojiao Ma,Pengju Guo,Chang Su 성균관대학교(자연과학캠퍼스) 성균나노과학기술원 2019 NANO Vol.14 No.9
Prussian-blue type FeFe(CN)6 nanocrystals with perfect nanocubic morphology were prepared by a facile hydrolytic precipitation method using Fe(CN)3- 6 as a single iron-source. The resulting FeFe(CN)6 nanocrystals have subsequently been encapsulated within a mixed electronically and ionically conducting polystyrene sulfonic acid (PSS)-doped poly(3,4-ethylenedioxythiophene) (PEDOT) (PEDOT-PSS) with ethylene glycol (EG) as the polar solvent to obtain a high electrical conducting organic–inorganic nanohybrid. The FeFe(CN)6/PEDOT-PSS nanohybrid offers discharge capacity of 106.3 mAh · g -1, which is improved compared to that of the naked FeFe(CN)6(94.4 mAh · g -1). Also, it demonstrated the improved capacity retention and rate capability, which makes it a promising way for high performance Li-ion batteries for energy storage application.
Colorimetric and Fluorescent Recognition of Fluoride by a Binaphthol Thioureido Derivative
Tang, Lijun,Wang, Nannan,Guo, Jiaojiao Korean Chemical Society 2012 Bulletin of the Korean Chemical Society Vol.33 No.7
A new thiourea based receptor (1) was synthesized and applied to fluoride ion recognition in acetonitrile solution. Receptor 1 displayed dual changes in absorption and fluorescence emission intensities selectively for fluoride ions. The interaction of 1 with fluoride undergoes a deprotonation process that is confirmed by $^1H$ NMR titration.
Colorimetric and Fluorescent Recognition of Fluoride by a Binaphthol Thioureido Derivative
Li-Jun Tang,Nannan Wang,Jiaojiao Guo 대한화학회 2012 Bulletin of the Korean Chemical Society Vol.33 No.7
A new thiourea based receptor (1) was synthesized and applied to fluoride ion recognition in acetonitrile solution. Receptor 1 displayed dual changes in absorption and fluorescence emission intensities selectively for fluoride ions. The interaction of 1 with fluoride undergoes a deprotonation process that is confirmed by 1H NMR titration.