DNA Adsorption at Liquid/Solid Interfaces

C Douarche, R Cortes, S J Roser, J L Sikorav, A Braslau

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9 Citations (SciVal)


DNA adsorption on solid or liquid surfaces is a topic of broad fundamental and applied interest. Here, we study by X-ray reflectivity the adsorption of monodisperse double-stranded DNA molecules on a positively charged surface, obtained through chemical grafting of a homogeneous organic monomolecular layer of N-(2-aminoethyl) dodecanamide on an oxide-free monocrystalline Si(111) wafer. The adsorbed dsDNA is found to embed into the soft monolayer, which is deformed in the process. The surface coverage is very high, and this adsorbed layer is expected to display 2D nematic ordering.
Original languageEnglish
Pages (from-to)13676-13679
Number of pages4
JournalJournal of Physical Chemistry B
Issue number44
Publication statusPublished - 2008

Bibliographical note

ID number: 000260533100002


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