Photo-triggered release in polyamide nanosized capsules (Contributo in atti di convegno)

Type
Label
  • Photo-triggered release in polyamide nanosized capsules (Contributo in atti di convegno) (literal)
Anno
  • 2014-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1063/1.4876821 (literal)
Alternative label
  • Marturano, V.; Ambrogi, Veronica; Cerruti, Pierfrancesco; Giamberini, Marta; Tylkowski, Bartosz (2014)
    Photo-triggered release in polyamide nanosized capsules
    in Times of Polymers 2014
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Marturano, V.; Ambrogi, Veronica; Cerruti, Pierfrancesco; Giamberini, Marta; Tylkowski, Bartosz (literal)
Pagina inizio
  • 234 (literal)
Pagina fine
  • 237 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#url
  • http://www.scopus.com/record/display.url?eid=2-s2.0-84903208283&origin=inward (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 1599 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#volumeInCollana
  • 1599 (literal)
Rivista
Note
  • Scopu (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • Universita degli Studi di Napoli Federico II; Consiglio Nazionale delle Ricerche; Universitat Rovira i Virgili (literal)
Titolo
  • Photo-triggered release in polyamide nanosized capsules (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#isbn
  • 9780735412330 (literal)
Abstract
  • In this work, nanosized capsules based on a lightly cross-linked polyamide containing azobenzene moieties in the main chain were synthesized by miniemulsion interfacial polymerization. The obtained nanocapsules were loaded either with toluene or with the fluorescent probe coumarin-6 as a core. Diameters of the nanocapsules were in the 100-900 nm range, depending on the selected emulsion conditions. The morphology and shape of the samples were observed by TEM and SEM while the emulsion droplets and nanocapsules size was measured by DLS. Under continuous UV irradiation the polymer underwent E-Z photoisomerization allowing the release of the encapsulated material. Variation in diameter of the nanocapsules with the time of UV irradiation was detected through DLS analysis. 10-30% growth was observed, depending on the sample. The kinetics of release of coumarin-6 was followed by spectrofluorimetry in ethanol. In absence of irradiation, the fluorescence intensity appeared to be constant over time, while it increased when the sample was irradiated with 360 nm UV light. © 2014 AIP Publishing LLC. (literal)
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