Controlling DNA Bundle Size and Spatial Arrangement in Selfassembled Arrays on Superhydrophobic Surface

Gabriele Ciasca; Massimiliano Papi; Valentina Palmieri; Michela Chiarpotto; Simone Di Claudio; Adele De Ninno; Ennio Giovine; Gaetano Campi; Annamaria Gerardino; Luca Businaro; Marco De Spirito

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Controlling DNA Bundle Size and Spatial Arrangement in Selfassembled Arrays on Superhydrophobic Surface

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The use of superhydrophobic surfaces(SHSs) is now emerging as an attractive platform for the realization of one-dimensional(1D) nanostructures with potential applications in many nanotechnological and biotechnological fields.To this purpose, a strict control of the nanostructures size and their spatial arrangement is highly required. However, these parameters may be strongly dependent on the complex evaporation dynamics of the sessile droplet on the SHS. In this work, we investigated the effect of the evaporation dynamics on the size and the spatial arrangement of self-assembled 1D DNA bundles. Our results reveal that different arrangements and bundle size distributions may occur depending on droplet evaporation stage. These results contribute to elucidate the formation mechanism of 1D nanostructures on SHSs.

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《纳微快报：英文版》 |2015年第002期|P.146-151|共6页
作者
Gabriele Ciasca; Massimiliano Papi; Valentina Palmieri; Michela Chiarpotto; Simone Di Claudio; Adele De Ninno; Ennio Giovine; Gaetano Campi; Annamaria Gerardino; Luca Businaro; Marco De Spirito;
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Istituto di Fisica, Universitá Cattolica SC, L.go Francesco Vito 1,00168 Rome, Italy;

Istituto di Fotonica e Nanotecnologie-CNR, Via Cineto Romano 42, 00156 Rome, Italy;

Institute of Crystallography-CNR, Via Salaria Km 29,0016 Monterotondo, Rome, Italy;

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Controlling DNA Bundle Size and Spatial Arrangement in Selfassembled Arrays on Superhydrophobic Surface

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