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咸阳师范学院 化学与化工学院, 陕西 咸阳 712000
纸质出版日期:2017-2-5,
收稿日期:2016-8-28,
修回日期:2016-10-21,
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刘静, 李东伟, 武小强等. 萘酰亚胺铁离子荧光探针的合成及识别性能[J]. 发光学报, 2017,38(2): 226-231
LIU Jing, LI Dong-wei, WU Xiao-qiang etc. Synthesis and Recognition Performance of Naphthalene Imide-iron Ion Fluorescent Probe[J]. Chinese Journal of Luminescence, 2017,38(2): 226-231
刘静, 李东伟, 武小强等. 萘酰亚胺铁离子荧光探针的合成及识别性能[J]. 发光学报, 2017,38(2): 226-231 DOI: 10.3788/fgxb20173802.0226.
LIU Jing, LI Dong-wei, WU Xiao-qiang etc. Synthesis and Recognition Performance of Naphthalene Imide-iron Ion Fluorescent Probe[J]. Chinese Journal of Luminescence, 2017,38(2): 226-231 DOI: 10.3788/fgxb20173802.0226.
以1,8-萘酐、N,N-二甲基乙醇胺、三乙烯四胺为原料,通过酰亚胺化、缩合等反应,合成一种萘酰亚胺荧光探针,并通过核磁氢谱、红外光谱结构表征,测定了探针在乙醇与水的混合溶液中的荧光光谱。考察了金属离子浓度等因素的影响,对其配位机理进行了研究。结果显示,目标产物在乙醇-水溶液中对Fe
3+
表现出了专属选择性识别性能,在(1.87~6.53)10
-6
g/mL的Fe
3+
浓度范围内,探针荧光强度与Fe
3+
浓度有很好的线性关系,线性相关系数
R
=0.995 3,检出限为405.1 ng/mL。
A naphthalimide fluorescent probe was synthesized using 1
8-naphthalene anhydride
N
N-dimethylethanolamine and triethylene tetramine as raw materials and characterized by
1
H NMR and IR spectra. The fluorescence spectra of the fluorescent probe in ethanol/water mixed solution were measured. The influence of metal ion concentration on the fluorescence intensity was investigated
and the proposed mechanism between the probe molecule and Fe
3+
was studied. The results demonstrate that the target product shows the exclusive recognition performance to Fe
3+
in ethanol/water mixed solution. When the concentration of Fe
3+
is in the range of (1.87~6.53)10
-6
g/mL
the fluorescence intensity of the probe has good linearly relationship with the concentration of Fe
3+
. The linear correlation coefficient
R
is 0.995 3
and the detection limit is 405.1 ng/mL.
萘酰亚胺专属识别荧光光谱荧光探针
naphthalimideexclusive recognitionflourescence spectrumfluorescent probe
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