A new label-free DNA sensor based on pyrrolidinyl peptide nucleic acid on cellulose paper was fabricated. Coupled with straightforward signal detection by cationic dye staining, this sensor has promise as a robust tool for point-of-care DNA detection.
N. Jirakittiwut, N. Panyain, T. Nuanyai, T. Vilaivan and T. Praneenararat, RSC Adv., 2015, 5, 24110 DOI: 10.1039/C4RA15287E
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