Preparation method of high-sensitivity mirtazapine molecularly-imprinted electrochemical sensor
A molecular imprinting and high-sensitivity technology, applied in scientific instruments, instruments, analytical materials, etc., can solve problems such as low sensitivity, inappropriate matching of functional monomers, template molecules and cross-linking agents, poor cross-linking rigidity, etc., to achieve Simple equipment, excellent sensitivity, and easy-to-make effects
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[0014] Example 1
[0015] 1. Treatment of glassy carbon electrode
[0016] Polish the glassy carbon electrode on the polishing cloth with 1.0μm, 0.3μm and 0.05μm alumina powder, then put it in nitric acid with a volume ratio of 1:1 and sonicate for 6min, then put it in absolute ethanol for 6min, and finally Ultrasonic clean with pure water.
[0017] 2. Preparation of mirtazapine molecularly imprinted electrochemical sensor
[0018] Prepare 10ml of 0.5mol / L nickel sulfate aqueous solution with water as solvent, and 50ml of 0.05mol / L salicylic acid solution with N,N-dimethylformamide as solvent, and then take the prepared 10ml nickel sulfate The aqueous solution was added dropwise to the prepared 50ml salicylic acid solution at a rate of 5 drops / sec. During the dropping process, it was stirred vigorously at 3000 rpm, and then reacted in a 100ml hot water kettle at 118°C for 11 hours. After centrifugation to collect the obtained precipitate, wash with N,N-dimethylformamide and absolut...
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