Abstract
Radiotherapy is a simple and effective method for the treatment of rhinitis cancer, but some patients are resistant to radiotherapy and affect the curative effect. Previous studies have confirmed that miR-205 can be used as a biomarker for the feasibility of radiotherapy in nasopharyngeal carcinoma (NPC). In this study, a biosensor for the detection of miR-205 was constructed by using graphene oxide (GO) and fluorescent DNA probes, and using DNase I to generate fluorescent signals for cyclic amplification. The results showed that the lowest detection limit of this sensor for detecting miR-205 was 475 pM, which was 4.86 times lower or 4.86 times better than that of conventional methods without amplification, and showed better detection specificity. It is expected to provide a convenient and effective tool for studying the radio resistance mechanism of NPC and for personalized therapy for NPC patients.
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