Preparation method of sandwich-type photoelectrochemical sensor for detecting procalcitonin by fullerene-tritin tetroxide
A technology of tritin tetroxide and procalcitonin, applied in tin oxide, fullerene, scientific instruments, etc.
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Embodiment 1
[0048] Example 1 Preparation of Photoelectrochemical Sensor
[0049] (1) Preparation of flower-like tritin tetroxide material
[0050] Dissolve 1.0 g of stannous chloride dihydrate and 3.0 g of trisodium citrate dihydrate together in 10 mL of ultrapure water, stir and mix the solution at room temperature, and take it as solution A; take 0.25 g of sodium hydroxide to dissolve In 10 mL of ultrapure water, stir evenly at room temperature as solution B; mix solution A and solution B, stir at room temperature for 18 h, transfer the mixed solution into an autoclave, and carry out at 150 ° C. The hydrothermal reaction was carried out for 10 h, and after the reaction was finished, it was naturally cooled, and the product was washed 5 times with ultrapure water, and dried at 30 ° C for 10 h to obtain flower-shaped tin tetroxide material;
[0051] (2) Preparation of fullerene quantum dots
[0052] Dissolve 1 mg of fullerene powder in 1 mL of anhydrous toluene solvent, stir evenly at r...
Embodiment 2
[0071] Example 2 Preparation of photoelectrochemical sensor
[0072](1) Preparation of flower-like tritin tetroxide material
[0073] Dissolve 1.3 g of stannous chloride dihydrate and 3.2 g of trisodium citrate dihydrate together in 14 mL of ultrapure water. After stirring and mixing the solution at room temperature, it was taken as solution A; In 14 mL of ultrapure water, stir evenly at room temperature as solution B; mix solution A and solution B, stir at room temperature for 20 h, transfer the mixed solution into an autoclave, and carry out at 160 ° C. The hydrothermal reaction was carried out for 12 h, and after the reaction was finished, it was naturally cooled, and the product was washed with ultrapure water for 5 times, and dried at 40 ° C for 12 h to obtain the flower-shaped tin tetroxide material;
[0074] (2) Preparation of fullerene quantum dots
[0075] Dissolve 3 mg of fullerene powder in 3 mL of anhydrous toluene solvent, stir evenly at room temperature to obta...
Embodiment 3
[0094] Example 3 Preparation of Photoelectrochemical Sensor
[0095] (1) Preparation of flower-like tritin tetroxide material
[0096] Dissolve 1.5 g of stannous chloride dihydrate and 3.5 g of trisodium citrate dihydrate together in 15 mL of ultrapure water, and stir and mix the solution at room temperature as solution A; take 0.35 g of sodium hydroxide to dissolve In 15 mL of ultrapure water, stir evenly at room temperature as solution B; mix solution A and solution B, stir at room temperature for 24 h, transfer the mixed solution into an autoclave, and carry out at 200 ° C. The hydrothermal reaction was carried out for 16 h, and after the reaction was finished, it was naturally cooled, and the product was washed 5 times with ultrapure water, and dried at 60 ° C for 14 h to obtain flower-shaped tin tetroxide material;
[0097] (2) Preparation of fullerene quantum dots
[0098] Dissolve 5 mg of fullerene powder in 5 mL of anhydrous toluene solvent, stir evenly at room tempe...
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