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EnglishIn this work, metal-ceramic nanocomposites were obtained through short (up to 2 h) thermal treatments at relatively moderate temperatures (750–800 °C) under a reducing atmosphere, using Fe-exchanged zeolite A as the precursor. The as-obtained materials were characterized by X-ray powder diffraction analysis, N2 adsorption at –196 °C, and highresolution transmission electron microscopy. The results of these analyses showed that the nanocomposites consisted of a dispersion of metallic Fe nanoparticles within a porous ceramic matrix, mainly based on amorphous silica and alumina. These nanocomposites were magnetically characterized, and their magnetic response was studied. Finally, the obtained metal-ceramic nanocomposite materials were used in the separation of Escherichia coli DNA from a crude cell lysate. The results of the DNA separation experiments showed that the obtained materials could perform this type of separation.
Preparation and Characterization of Magnetic and Porous Metal-Ceramic Nanocomposites from a Zeolite Precursor and Their Application for DNA Separation / Pansini, Michele; Dell'agli, Gianfranco; Marocco, Antonello; Netti, Paolo Antonio; Battista, Edmondo; Lettera, Vincenzo; Vergara, Paola; Allia, Paolo; Bonelli, Barbara; Tiberto, Paola; Barrera, Gabriele; Alberto, Gabriele; Martra, Gianmario; Arletti, Rossella; Esposito, Serena. - In: JOURNAL OF BIOMEDICAL NANOTECHNOLOGY. - ISSN 1550-7033. - 13:3(2017), pp. 337-348. [10.1166/jbn.2017.2345]
| Titolo: | Preparation and Characterization of Magnetic and Porous Metal-Ceramic Nanocomposites from a Zeolite Precursor and Their Application for DNA Separation | |
| Autori: | ||
| Data di pubblicazione: | 2017 | |
| Rivista: | JOURNAL OF BIOMEDICAL NANOTECHNOLOGY | |
| Digital Object Identifier (DOI): | http://dx.doi.org/10.1166/jbn.2017.2345 | |
| Abstract: | In this work, metal-ceramic nanocomposites were obtained through short (up to 2 h) thermal treatm...ents at relatively moderate temperatures (750–800 °C) under a reducing atmosphere, using Fe-exchanged zeolite A as the precursor. The as-obtained materials were characterized by X-ray powder diffraction analysis, N2 adsorption at –196 °C, and highresolution transmission electron microscopy. The results of these analyses showed that the nanocomposites consisted of a dispersion of metallic Fe nanoparticles within a porous ceramic matrix, mainly based on amorphous silica and alumina. These nanocomposites were magnetically characterized, and their magnetic response was studied. Finally, the obtained metal-ceramic nanocomposite materials were used in the separation of Escherichia coli DNA from a crude cell lysate. The results of the DNA separation experiments showed that the obtained materials could perform this type of separation. | |
| Full-text (pubblici): | restricted | |
| Appare nelle tipologie: | 1.1 Articolo in rivista |
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http://hdl.handle.net/11696/57215
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