https://www.selleckchem.com/products/arry-382.html
These ssDNAs absorb abundant quantities of methylene blue (M that enables the highly sensitive and label-free detection of exosomal miRNAs. This dual amplification process is characterized by a low limit of detection (LOD) of 3.04 aM. In addition, the electrochemical biosensor exhibits good selectivity for miR-21 detection, and shows benefits of simple operation, low cost, portability. Overall, the electrochemical biosensor provides a promising platform for the early diagnosis and screening of tumor biomarkers and the development of
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