fig2
From: Advances in CRISPR-based molecular biosensing: from pathogen detection to early tumor screening
Figure 2. Mechanisms of fluorophore-quencher reporter systems. (A) Schematic of the fluorophore-quencher reporter mechanism; (B) Schematic of the signal amplification mechanism based on electrode modification; (C) Schematic of the signal amplification mechanism based on electroactive molecule release; (D) Schematic of the signal amplification mechanism based on field-effect transistor. (Created in BioRender. Xu, S. (2026) https://BioRender.com/26xqk1g).
