Rare earth nucleoside white light hydrogel and its preparation method and application
A technology of hydrogel and nucleoside water, which is applied in the field of fluorescent hydrogel, can solve the problems that limit the development of rare earth composite white light hydrogel, and achieve the effect of low cost, simple operation and good repeatability
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Embodiment 1
[0034] The preparation method of rare earth nucleoside white light gel, including the following steps:
[0035] (1) TB (NO) of the preparation of the mass concentration of 2% 3 ) 3 · 6h 2 O Aqueous solution, a water solution of 2% mass concentration of 2%, and a water solution of a fluorescent dye having a mass concentration of 1%, a fluorescent dye is a mass ratio of 1: 1 rodamine B and an umbrella;
[0036] (2) 1 ml TB prepared by step (1) (NO 3 ) 3 · 6h 2 O Aqueous solution, 4 ml of deoxycin aqueous solution and 1 ml of fluorescent dye aqueous solution was mixed, and the pH was adjusted to 7, heated to 70 ° C, and the reaction was reduced to room temperature, allowed to stand for 30 min to give a rare earth nucleoside white water gel. See figure 1 , figure 2 and image 3 .
[0037] Depend on figure 1 It can be seen that the rare earth nucleoside white water gel obtained in the present embodiment is pink under the fluorescent lamp.
[0038] Depend on figure 2 It can be seen that ...
Embodiment 2
[0041] The preparation method of rare earth nucleoside white light gel, including the following steps:
[0042] (1) Preparation of soluble rare earth nitrate solution with a mass concentration of 3%, an aqueous adenosine solution having a mass concentration of 3%, and an umbrella aqueous umbrella in a mass concentration of 2%; soluble rare earth nitrate is from 1: 1 Eu (NO) 3 ) 3 · 6h 2 O and TB (NO 3 ) 3 · 6h 2 O
[0043] (2) 1 ml of soluble rare earth nitrate prepared by step (1), a 4 ml adenosine solution, and a 1 ml umbrella lactone solution, and the pH is adjusted to be 8, heated to 80 ° C, and the reaction is 15 min, and Room temperature, standing for 20 min to obtain a rare earth nucleoside white water gel.
[0044] The rare earth nucleoside white photoresist obtained in this example is a milky white colloid under the fluorescent lamp.
[0045] The rare earth nucleoside white water gel obtained in this embodiment has a white fluorescent. It shows that its optical physics is...
Embodiment 3
[0047] The preparation method of rare earth nucleoside white light gel, including the following steps:
[0048] (1) Preparation of soluble rare earth nitrate solution of 10% in the formulation of 10%, a water solution having a mass concentration of 10%, and an umbrella aqueous umbrella in a mass concentration of 5%; soluble rare earth nitrate is mass ratio 1: 1 EU (NO) 3 ) 3 · 6h 2 O and TB (NO 3 ) 3 · 6h 2 O
[0049] (2) The 1 ml soluble rare earth nitrate prepared by step (1), a 4 ml deoxygenated aqueous solution, and a 1 ml umbrella lactone solution, and the pH is adjusted to 90 ° C with a phenantaneous ammonia, and the reaction is 10 min. To room temperature, stand for 10 min to obtain a rare earth nucleoside white water gel.
[0050] The rare earth nucleoside white water gel obtained in this example is pink under the fluorescent lamp.
[0051] The rare earth nucleoside white water gel obtained in this embodiment has a white fluorescent. It shows that its optical physics is go...
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