Filling Single-Walled Carbon Nanotubes with Lutetium Chloride : A Sustainable Production of Nanocapsules Free of Nonencapsulated Material
Kierkowicz, Magdalena (Institut de Ciència de Materials de Barcelona)
González-Domínguez, José Miguel (University of Trieste. Department of Chemical and Pharmaceutical Sciences)
Pach, Elzbieta (Institut Català de Nanociència i Nanotecnologia)
Sandoval, Stefania (Institut de Ciència de Materials de Barcelona)
Ballesteros, Belén (Institut Català de Nanociència i Nanotecnologia)
Da Ros, Tatiana (University of Trieste. Department of Chemical and Pharmaceutical Sciences)
Tobias, Gerard (Institut de Ciència de Materials de Barcelona)

Data:	2017
Resum:	Filled carbon nanotubes are of interest for a wide variety of applications ranging from sensors to magnetoelectronic devices and going through the development of smart contrast and therapeutic agents in the biomedical field. In general, regardless of the method employed, bulk filling of carbon nanotubes results in the presence of a large amount of external nonencapsulated material. Therefore, further processing is needed to achieve a sample in which the selected payload is present only in the inner cavities of the nanotubes. Here, we report on a straightforward approach that allows the removal of nonencapsulated compounds in a time efficient and environmentally friendly manner, using water as a "green" solvent, while minimizing the residual waste. The results presented herein pave the way toward the production of large amounts of high-quality closed-ended filled nanotubes, also referred to as carbon nanocapsules, readily utilizable in the foreseen applications.
Ajuts:	European Commission 290023 Ministerio de Economía y Competitividad SEV-2015-0496 Ministerio de Economía y Competitividad SEV-2013-0295
Drets:	Tots els drets reservats.
Llengua:	Anglès
Document:	Article ; recerca ; Versió acceptada per publicar
Matèria:	Radionuclides ; Radiotracer ; Metal halides ; Encapsulation ; Purification ; Biomedicine ; Cancer therapy ; Green process
Publicat a:	ACS sustainable chemistry & engineering, Vol. 5, Issue 3 (March 2017) , p. 2501-2508, ISSN 2168-0485

DOI: 10.1021/acssuschemeng.6b02850

Postprint 34 p, 832.4 KB

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