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Open Access Towards Biologically Active Self-assemblies: Model Nucleotide Chimeras

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With this article, we wish to give an overview of our main research activities assessing the potential of a suitable polymer modification of DNA fragments to self-assemble biologically active nanostructures. Specifically, the grafting of a hydrophobic polymer segment on DNA fragments results in amphiphilic nucleotide-based macromolecules, which, owing to both chemical and physical incompatibility, organize in self-assembled structures either on surfaces or in aqueous solution. Through the combination of the existing know-how in polymer chemistry with modern analytical techniques, we are currently focusing on establishing the mechanism of self-assembly of the polymer-modified nucleotide sequences in solution and on surfaces prior to the assessment of their hybridization capacity once involved in the ensemble. With the evaluation of the potential of the functional nanostructures to undergo biological-like adhesion through hybridization one can eventually foresee that the optimal functionality of these bio-inspired systems could be fine-tuned for biological applications such as drug delivery, gene therapy, tissue engineering and the design of either biomedical devices or biosensors.

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Keywords: COPOLYMER; DNA; FUNCTIONAL NANOSTRUCTURES; SELF-ASSEMBLY

Document Type: Research Article

Affiliations: Département de chimie minérale, analytique et appliquée, Université de Genève - Sciences II, 30, quai Ernest-Ansermet, CH-1211 Genève 4, Switzerland

Publication date: October 1, 2011

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  • International Journal for Chemistry and Official Membership Journal of the Swiss Chemical Society (SCS) and its Divisions

    CHIMIA, a scientific journal for chemistry in the broadest sense, is published 10 times a year and covers the interests of a wide and diverse readership. Contributions from all fields of chemistry and related areas are considered for publication in the form of Review Articles and Notes. A characteristic feature of CHIMIA are the thematic issues, each devoted to an area of great current significance.

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