Sensitive fluorescent biosensors based on a cascade signal amplification strategy and a stimuli-responsive hydrogel for the detection of the p53 gene.
As a key tumor suppressor gene, the mutation and abnormal expression of p53 are closely correlated with tumor occurrence and progression, making p53 an important biomarker for early tumor diagnosis. Herein, a novel fluorescent biosensor based on a Cas12a/alkaline phosphatase (ALP) cascade signal amplification strategy...