A fluorescent probe complex for simultaneous recognition of phosphate and copper ions in water, preparation method and application
A fluorescent probe, phosphate technology, applied in chemical instruments and methods, fluorescence/phosphorescence, zinc organic compounds, etc., can solve the problem of less fluorescent probes, and achieve the effects of high sensitivity, easy storage and use, and high yield
Active Publication Date: 2019-08-23
HUNAN UNIV OF SCI & TECH
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Problems solved by technology
However, there are still relatively few fluorescent probes for the recognition of phosphate and copper ions, especially in water
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Embodiment 1
[0023] A fluorescent probe complex that simultaneously recognizes phosphate and copper ions in water, its chemical formula is {[Zn(btca)(py) 2 ]} n , wherein btca is 5-carboxybenzotriazole dianion, and py is pyridine; its preparation method steps are as follows:
[0024] 1) Put 0.025 mmol H 2 btca and 0.10 mmol of zinc nitrate hexahydrate were added to 1.0 ml of pyridine and 5.0 ml of distilled water, and added to a 20-ml glass bottle with a screw cap to obtain a mixed solution;
[0025] 2) Seal the above mixture and place it in an oven at 100 o The reaction was performed in a constant temperature oven at C for 24 hours to obtain colorless diamond-shaped bulk crystals. The crystals obtained by filtration were washed three times with distilled water and anhydrous ethanol, respectively, and dried to obtain the target product.
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The invention relates to a fluorescent probe complex capable of simultaneously identifying phosphate radicals and copper ions in water. The chemical formula of the fluorescent probe complex is {[Zn(btca)(py)2]}n, wherein the btca is 5-carboxyl benzotriazole divalent anions, and py is pyridine. The preparation method includes the steps of firstly, adding H2btca and zinc nitrate hexahydrate into the mixed solvent of pyridine and distilled water to obtain a mixed liquid; secondly, placing the mixed liquid into a container, performing reaction in a constant-temperature drying oven of 100 DEG C for 24 hours to obtain colorless rhombic block-shaped crystals, filtering the obtained crystals, washing the filtered crystals with distilled water for three times, washing the filtered crystals with anhydrous ethanol for three times, and drying to obtain the fluorescent probe complex. The fluorescent probe complex has the advantages that the fluorescent probe complex can sensitively identify the phosphate radicals and the copper ions in an aqueous solution simultaneously, identification and detection of the phosphate radicals and the copper ions in a water system can be achieved, a to-be-tested sample does not need preprocessing or only needs simple preprocessing, and the fluorescent probe complex which is solid powder is convenient to store and use, simple in synthesizing method, high in yield and promising in popularization and application prospect.
Description
technical field [0001] The invention relates to the field of fluorescent probe complexes, in particular to a preparation method and application of a fluorescent probe complex for simultaneously identifying phosphate and copper ions in water. Background technique [0002] Phosphate is an important part of nucleic acid and plays an important role in signal transmission and energy storage in living organisms. However, excessive phosphate can cause serious pollution of water system and affect the normal growth of aquatic organisms. Copper is the earliest metal used by human beings, and it is also a trace element necessary for the human body. Copper is an important component of proteins and enzymes in the body, and many important enzymes require the participation and activation of trace amounts of copper. Scientific research has shown that copper deficiency is an important factor in causing coronary heart disease. However, copper ions are also heavy metal ions. Too much copper...
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IPC IPC(8): C09K11/06C07F3/06C08G83/00G01N21/64
Inventor 张少伟宁诗港田洪菊唐子龙
Owner HUNAN UNIV OF SCI & TECH
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