期刊
ANALYTICAL CHEMISTRY
卷 92, 期 2, 页码 1674-1679出版社
AMER CHEMICAL SOC
DOI: 10.1021/acs.analchem.9b02560
关键词
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资金
- Marie Sklodowska-Curie Actions Individual Fellowship
- European Union [795635]
- Regione Campania-POR Campania FESR [B61G18000470007]
- CERCA Programme/Generalitat de Catalunya
- Severo Ochoa program of the Spanish Ministry of Economy, Industry and Competitiveness (MINECO) [SEV-2017-0706, MAT2017-87202-P]
- Marie Curie Actions (MSCA) [795635] Funding Source: Marie Curie Actions (MSCA)
The development of paper-based electroanalytical strips as powerful diagnostic tools has gained a lot of attention within the sensor community. In particular, the detection of nucleic acids in complex matrices represents a trending topic, especially when focused toward the development of emerging technologies, such as liquid biopsy. DNA-based biosensors have been largely applied in this direction, and currently, there are two main approaches based on target/probe hybridization reported in the literature, namely Signal ON and Signal OFF. In this technical note, the two approaches are evaluated in combination with paper-based electrodes, using a single strand DNA relative to H1047R (A3140G) missense mutation in exon 20 in breast cancer as the model target. A detailed comparison among the analytical performances, detection protocol, and cost associated with the two systems is provided, highlighting the advantages and drawbacks depending on the application. The present work is aimed to a wide audience, particularly for those in the field of point-of-care, and it is intended to provide the know-how to manage with the design and development stages, and to optimize the platform for the sensing of nucleic acids using a paper-based detection method.
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