A photoelectrochemical method for the detection of cancer cells by self-assembled organic semiconductor material pc05 nanowires
An organic semiconductor and photoelectrochemical technology, applied in the field of quantitative detection of tumor markers, can solve the problems of complex operation, time-consuming detection process, cumbersome production steps, etc., and achieve the effect of enhancing photoelectric signal and good biocompatibility
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[0013] In order to further understand the present invention, carry out according to the technical scheme of the present invention in conjunction with embodiment, provide specific implementation mode:
[0014] (1) Deposition of gold nanoparticles: The conductive glass is indium tin oxide glass (ITO). The conductive glass was cut into strips of 4.0×0.5 cm, and cleaned with acetone solution, double distilled water and absolute ethanol for 5 min. Conductive glass is placed in 5.0mmol / L HAuCl 4 In the solution, gold nanoparticles were deposited by cyclic voltammetry, the deposition potential was -1.5~0 V, the number of scan cycles was 20, and the scan rate was 0.1 V / s;
[0015] (2) Preparation of AuNPs-PC05: Weigh 0.00474 g PC05 and add it to 3.0 mL of tetrahydrofuran, let it stand for 2 minutes, add 3.0 mL of ultrapure water to the above solution, let it stand for 10 minutes, and put the above mixture at 8000 rpm Centrifuge for 2 min to make the final volume 2.0 mL; react at room...
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