Magnetic Fe3O4-Au@UIO-66-NH2@toehold probe mediated fluorescent sensor for detecting ovarian cancer-specific circRNA coupled with hybridization chain reaction and the CRISPR-Cas12a system

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Bei Liu

doi:10.1016/j.bios.2026.118535

Magnetic Fe3O4-Au@UIO-66-NH2@toehold probe mediated fluorescent sensor for detecting ovarian cancer-specific circRNA coupled with hybridization chain reaction and the CRISPR-Cas12a system

Bei Liu · 2026-02-14

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Biosensors and Bioelectronics

TL;DR

Under optimal conditions, the proposed HCR/CRISPR-Cas12a method exhibited a wide quantitative measurement range spanning from 45 pM up to 180 nM, achieving a notable limit of detection (LOD) of 0.03 pM.

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Magnetic Fe3O4-Au@UIO-66-NH2@toehold probe mediated fluorescent sensor for detecting ovarian cancer-specific circRNA coupled with hybridization chain reaction and the CRISPR-Cas12a system

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