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Organic thin-film transistors modified with 15-base PNA strands are used for the selective detection of target DNA sequences. These simple devices provide a low-cost, label-free and in situ detection platform with excellent discrimination between single and double base mismatches in the target DNA sequence. The electronic detection signal is corroborated with conventional optical methods, displaying similar hybridization parameters. Detailed facts of importance to specialist readers are published as ”Supporting Information”. Such documents are peer-reviewed, but not copy-edited or typeset. They are made available as submitted by the authors. Please note: The publisher is not responsible for the content or functionality of any supporting information supplied by the authors. Any queries (other than missing content) should be directed to the corresponding author for the article.
Khan et al. (Tue,) studied this question.
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