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http://hdl.handle.net/10261/96056
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dc.contributor.author | Escudero, A. | - |
dc.contributor.author | Calvo, Mauricio E. | - |
dc.contributor.author | Rivera, Sara | - |
dc.contributor.author | De la Fuente, Jesús M. | - |
dc.contributor.author | Ocaña, Manuel | - |
dc.date.accessioned | 2014-04-30T07:05:44Z | - |
dc.date.available | 2014-04-30T07:05:44Z | - |
dc.date.issued | 2013 | - |
dc.identifier | doi: 10.1021/la304534f | - |
dc.identifier | issn: 0743-7463 | - |
dc.identifier.citation | Langmuir : the ACS journal of surfaces and colloids 29: 1985- 1994 (2013) | - |
dc.identifier.uri | http://hdl.handle.net/10261/96056 | - |
dc.description.abstract | Europium-doped calcium hydroxyapatite and fluoroapatite nanophosphors functionalized with poly(acrylic acid) (PAA) have been synthesized through a one-pot microwave-assisted hydrothermal method from aqueous basic solutions containing calcium nitrate, sodium phosphate monobasic, and PAA, as well as sodium fluoride in the case of the fluoroapatite particles. In both cases a spindlelike morphology was obtained, resulting from an aggregation process of smaller subunits which also gave rise to high specific surface area. The size of the nanospindles was 191 (32) × 40 (5) nm for calcium hydroxyapatite and 152 (24) × 38 (6) nm for calcium fluoroapatite. The luminescent nanoparticles showed the typical red luminescence of Eu3+, which was more efficient for the fluoroapatite particles than for the hydroxyapatite. This is attributed to the presence of OH¿ quenchers in the latter. The nanophosphors showed negligible toxicity for Vero cells. Both PAA-functionalized nanophosphors showed a very high (up to at least 1 week) colloidal stability in 2-(N-morpholino)ethanesulfonic acid (MES) at pH 6.5, which is a commonly used buffer for physiological pH. All these features make both kinds of apatite-based nanoparticles promising tools for biomedical applications, such as luminescent biolabels and tracking devices in drug delivery systems. | - |
dc.publisher | American Chemical Society | - |
dc.rights | closedAccess | - |
dc.title | Microwave-Assisted Synthesis of Biocompatible Europium-Doped Calcium Hydroxyapatite and Fluoroapatite Luminescent Nanospindles Functionalized with Poly(acrylic acid) | - |
dc.type | artículo | - |
dc.identifier.doi | 10.1021/la304534f | - |
dc.date.updated | 2014-04-30T07:05:44Z | - |
dc.description.version | Peer Reviewed | - |
dc.language.rfc3066 | eng | - |
dc.type.coar | http://purl.org/coar/resource_type/c_6501 | es_ES |
item.openairetype | artículo | - |
item.cerifentitytype | Publications | - |
item.grantfulltext | none | - |
item.openairecristype | http://purl.org/coar/resource_type/c_18cf | - |
item.fulltext | No Fulltext | - |
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