Preparation method and application of a kind of electrochemiluminescence furazolidone biosensor
A biosensor, furazolidone technology, applied in chemiluminescence/bioluminescence, analysis by chemical reaction of materials, scientific instruments, etc., can solve the problems of poor conductivity, unfavorable practical application, low sensitivity of electrochemiluminescence sensor, etc. Achieve the effect of solving poor electrical conductivity, improving strength and stability, and increasing electrochemiluminescence intensity
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Embodiment 1
[0035] Example 1 Mn-TiO 2 / g -C 3 N 4 preparation
[0036] First, take 0.8 mmol of manganese salt and add it to 5 mL of tetrabutyl titanate. During stirring, slowly add 0.5 mL of hydrofluoric acid, and react in the reactor at 160 °C for 24 hours. After cooling to room temperature, use ultrapure water After centrifuging and washing with absolute ethanol for three times, vacuum-dry at 50°C; secondly, mix 150 mg of the dried solid with 400 mg of melamine, and grind it into a powder; then, put the ground powder into a muffle furnace at a heating rate of 1 ℃ / min, calcined at 480 ℃ for 5 hours; finally, the calcined powder was cooled to room temperature to obtain Mn-TiO 2 / g -C 3 N 4 ;
Embodiment 2
[0038] Example 2 Mn-TiO 2 / g -C 3 N 4 preparation
[0039] First, take 1.0 mmol of manganese salt and add it to 5 mL of tetrabutyl titanate. During the stirring process, slowly add 0.6 mL of hydrofluoric acid and react in the reactor at 180 °C for 21 hours. After cooling to room temperature, use ultrapure water After centrifuging and washing with absolute ethanol three times, vacuum-dry at 50°C; secondly, mix 200 mg of the dried solid with 400 mg of melamine, and grind it into a powder; then, put the ground powder into a muffle furnace, and the heating rate is 2 ℃ / min, calcined at 520 ℃ for 2 hours; finally, the calcined powder was cooled to room temperature to obtain Mn-TiO 2 / g -C 3 N 4 ;
[0040] Described manganese salt is manganese chloride.
Embodiment 3
[0041] Example 3 Mn-TiO 2 / g -C 3 N 4 preparation
[0042] First, take 1.2 mmol of manganese salt and add it to 5 mL of tetrabutyl titanate. During stirring, slowly add 0.8 mL of hydrofluoric acid, and react in the reactor at 200 °C for 18 hours. After cooling to room temperature, use ultrapure water to After centrifuging and washing with absolute ethanol three times, vacuum-dry at 50°C; secondly, mix 250 mg of the dried solid with 400 mg of melamine, and grind it into powder; then, put the ground powder into a muffle furnace, and the heating rate is 3 ℃ / min, calcined at 560 ℃ for 0.5 hours; finally, the calcined powder was cooled to room temperature to obtain Mn-TiO 2 / g -C 3 N 4 ;
[0043] Described manganese salt is manganese nitrate.
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