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Europium luminescent polymeric microspheres fabricated by spray drying process.
Luz, Priscilla Paiva; Pires, Ana Maria; Serra, Osvaldo Antonio.
Afiliação
  • Luz PP; Department of Chemistry, FFCLRP, University of São Paulo, Avenida Bandeirantes 3900, Ribeirão Preto, SP, Brazil.
J Fluoresc ; 18(3-4): 695-700, 2008.
Article em En | MEDLINE | ID: mdl-18293066
The spray drying method was used to prepare luminescent microspheres. These microspheres were prepared by spraying an aqueous solution of dextrin and an europium(III) complex with subsequent drying in a hot medium. The spray dried powder was characterized by scanning electron microscopy (SEM) and photoluminescence spectroscopy (PL). Particle size distribution was estimated from SEM images. The ultrasonic spray drying technique was successfully applied to yield a microparticulated and red luminescent powder composed by the [Eu(dpa)(3)](3-) (dpa = dipicolinic acid) complex incorporated in dextrin microspheres.

Texto completo: 1 Coleções: 01-internacional Base de dados: MEDLINE Idioma: En Revista: J Fluoresc Assunto da revista: BIOFISICA Ano de publicação: 2008 Tipo de documento: Article País de afiliação: Brasil País de publicação: Holanda

Texto completo: 1 Coleções: 01-internacional Base de dados: MEDLINE Idioma: En Revista: J Fluoresc Assunto da revista: BIOFISICA Ano de publicação: 2008 Tipo de documento: Article País de afiliação: Brasil País de publicação: Holanda