Abstract
A molecular-level coding method utilizing DNA base pairs as code units has been systemized. The system consists of four steps: encoding, encrypting, decrypting and decoding (see Figure), which are realized by tailor-made nanohybrids (DNA–layered double hydroxide (LDH) and polypyrrole–maghemite). The nanohybrids give solutions to the inherent problems which hamper DNA molecular code systems; stability in encrypting and rapidity in analysis. Supporting information for this article is available on the WWW under http://www.wiley-vch.de/contents/jc_2089/2004/c0027_s.pdf or from the author. 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.
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