Synthesis method and application of a ratiometric fluorescent probe for quantitative detection of hypochlorite ions
A technology for quantitative detection of hypochlorite, which is applied in the field of synthesis of proportional fluorescent probes, can solve problems such as reproductive function failure and inability to achieve disinfection effects, and achieve a wide linear range, short response time, and simple synthesis process. Effect
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Embodiment 1
[0036] A kind of synthetic method of the ratio type fluorescent probe of quantitative detection hypochlorite ion, concrete steps are as follows:
[0037] S1: Add 0.644mmol zirconium tetrachloride, 0.0644mmol 2-aminoterephthalic acid (10% by mole), 0.5796mmol pyridine-2,6-dicarboxylic acid, 77.3mmol acetic acid and 10mL DMF into the reaction tube, and The mixture was sonicated for 9-11 minutes to obtain a clear solution;
[0038] Then add 750 μL of ultrapure water to the reaction tube, and add a suitable magnet, and heat the mixture at 120 °C for 1.5 h in an oil bath;
[0039] Finally, a light yellow solid was obtained by cooling and centrifugation; then the solid was extracted with methanol by Soxhlet and dried in vacuum at 60°C to obtain PDA@UiO-66-NH 2 (x);
[0040] S2: 100mg PDA@UiO-66-NH 2 (x) Add 772 mg europium chloride hexahydrate in 50 mL ethanol solution, stir the mixture at room temperature for one day, centrifuge and wash the solid with ethanol three times, and t...
Embodiment 2
[0043] A kind of synthetic method of the ratio type fluorescent probe of quantitative detection hypochlorite ion, concrete steps are as follows:
[0044] S1: Add 0.644mmol zirconium tetrachloride, 0.1932mmol 2,5-diaminoterephthalic acid (30% by mole), 0.4508mmol pyridine-2,6-dicarboxylic acid, 77.3mmol acetic acid and 10mL DMF into the reaction tube , ultrasonicate the mixed solution for 9-11min to obtain a clear solution;
[0045] Then add 750 μL of ultrapure water to the reaction tube, and add a suitable magnet, and heat the mixture at 120 °C for 1.5 h in an oil bath;
[0046] Finally, a light yellow solid was obtained by cooling and centrifugation; then the solid was extracted with methanol by Soxhlet and dried in vacuum at 60°C to obtain PDA@UiO-66-NH 2 (x);
[0047] S2: 100mg PDA@UiO-66-NH 2 (x) Add 772 mg europium chloride hexahydrate in 50 mL ethanol solution, stir the mixture at room temperature for one day, centrifuge and wash the solid with ethanol three times, an...
Embodiment 3
[0050] A kind of synthetic method of the ratio type fluorescent probe of quantitative detection hypochlorite ion, concrete steps are as follows:
[0051] S1: Add 0.644mmol zirconium tetrachloride, 0.5796mmol 2,5-diaminoterephthalic acid (90% mole percent), 0.0644mmol pyridine-2,6-dicarboxylic acid, 77.3mmol acetic acid and 10mL DMF into the reaction tube , ultrasonicate the mixed solution for 9-11min to obtain a clear solution;
[0052] Then add 750 μL of ultrapure water to the reaction tube, and add a suitable magnet, and heat the mixture at 120 °C for 1.5 h in an oil bath;
[0053] Finally, a light yellow solid was obtained by cooling and centrifugation; then the solid was extracted with methanol by Soxhlet and dried in vacuum at 60°C to obtain PDA@UiO-66-NH 2 (x);
[0054] S2: 100mg PDA@UiO-66-NH 2 (x) Add 772 mg europium chloride hexahydrate in 50 mL ethanol solution, stir the mixture at room temperature for one day, centrifuge and wash the solid with ethanol three time...
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