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Título: | Nanoparticles as smart treatment-delivery systems in plants: assessment of different techniques of microscopy for their visualization in plant tissues |
Autor: | González-Melendi, Pablo; Fernández-Pacheco, Rodrigo; Coronado, María José CSIC ORCID; Corredor, Eduardo CSIC; Testillano, Pilar S. CSIC ORCID ; Risueño, María Carmen CSIC ; Marquina, Clara CSIC ORCID ; Ibarra, M. Ricardo CSIC ORCID; Rubiales, Diego CSIC ORCID ; Pérez de Luque, Alejandro CSIC ORCID | Palabras clave: | Nanotechnology Nanoparticles Drug delivery Smart delivery systems Microscopy techniques |
Fecha de publicación: | ene-2008 | Editor: | Oxford University Press | Citación: | Annals of Botany 101(1):187-195(2008) | Resumen: | [Background and Aims] The great potential of using nanodevices as delivery systems to specific targets in living organisms was first explored for medical uses. In plants, the same principles can be applied for a broad range of uses, in particular to tackle infections. Nanoparticles tagged to agrochemicals or other substances could reduce the damage to other plant tissues and the amount of chemicals released into the environment. To explore the benefits of applying nanotechnology to agriculture, the first stage is to work out the correct penetration and transport of the nanoparticles into plants. This research is aimed (a) to put forward a number of tools for the detection and analysis of core-shell magnetic nanoparticles introduced into plants and (b) to assess the use of such magnetic nanoparticles for their concentration in selected plant tissues by magnetic field gradients. [Methods] Cucurbita pepo: plants were cultivated in vitro and treated with carbon-coated Fe nanoparticles. Different microscopy techniques were used for the detection and analysis of these magnetic nanoparticles, ranging from conventional light microscopy to confocal and electron microscopy. [Key Results] Penetration and translocation of magnetic nanoparticles in whole living plants and into plant cells were determined. The magnetic character allowed nanoparticles to be positioned in the desired plant tissue by applying a magnetic field gradient there; also the graphitic shell made good visualization possible using different microscopy techniques. [Conclusions] The results open a wide range of possibilities for using magnetic nanoparticles in general plant research and agronomy. The nanoparticles can be charged with different substances, introduced within the plants and, if necessary, concentrated into localized areas by using magnets. Also simple or more complex microscopical techniques can be used in localization studies. |
Descripción: | 9 pages, 5 figures.-- PMID: 17998213 [PubMed].-- Online version available on Nov 11, 2007. | Versión del editor: | http://dx.doi.org/10.1093/aob/mcm283 | URI: | 10261/9584 | DOI: | 10.1093/aob/mcm283 | ISSN: | 0305-7364 |
Aparece en las colecciones: | (IAS) Artículos (CIB) Artículos (ICMA) Artículos |
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