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Eumelanin Coating of Silica Aerogel by Supercritical Carbon Dioxide Deposition of a 5,6-Dihydroxyindole Thin Film.
Caputo, Giuseppe; Bonadies, Irene; Migliaccio, Ludovico; Caso, Maria Federica; Pezzella, Alessandro.
Afiliación
  • Caputo G; Dipartimento Dell'Innovazione Industriale e Digitale-Ingegneria Chimica, Gestionale, Meccanica e Informatica, Università di Palermo, 90133 Palermo, Italy. giuseppe.caputo01@unipa.it.
  • Bonadies I; Institute for Polymers, Composites and Biomaterials (IPCB), CNR, Via Campi Flegrei 34, I-80078 Pozzuoli (Na), Italy. irene.bonadies@ipcb.cnr.it.
  • Migliaccio L; Department of Chemical Sciences, University of Naples "Federico II" Via Cintia 4, I-80126 Naples, Italy. ludovico.migliaccio@unina.it.
  • Caso MF; Nanofaber Spin-Off at Italian National Agency for New Technologies, Energy and Sustainable Economic Development (ENEA), Casaccia Research Centre, Via Anguillarese 301, 00123 Rome, Italy. maria.federica.caso@gmail.com.
  • Pezzella A; Institute for Polymers, Composites and Biomaterials (IPCB), CNR, Via Campi Flegrei 34, I-80078 Pozzuoli (Na), Italy. alessandro.pezzella@unina.it.
Materials (Basel) ; 11(9)2018 Aug 21.
Article en En | MEDLINE | ID: mdl-30134602
Eumelanin integration in silica aerogel (SA) was achieved via supercritical adsorption of 5,6-dyhydroxyindole (DHI) from CO2. Notably, after the supercritical treatment, DHI evolved towards spontaneous polymerization, which resulted in uniform pigment development over the SA. The new material was characterized for its morphological and physicochemical properties, disclosing the formation of a eumelanin-like coating, as confirmed by UV⁻vis and electron paramagnetic resonance (EPR) spectroscopy.
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Texto completo: 1 Banco de datos: MEDLINE Idioma: En Revista: Materials (Basel) Año: 2018 Tipo del documento: Article País de afiliación: Italia

Texto completo: 1 Banco de datos: MEDLINE Idioma: En Revista: Materials (Basel) Año: 2018 Tipo del documento: Article País de afiliación: Italia