Natural Membranes for Application in Biomedical Devices

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abstract

Polymers from natural sources are particularly useful as biomaterials for medical devices applications. In this study, the results of characterization of a gelatin network electrolyte doped with europium triflate (Eu(CF3SO3)(3)) are described. The unusual electronic properties of the trivalent lanthanide ions make them well suited as luminescent reporter groups, with many applications in biotechnology. Samples of solvent-free electrolytes were prepared with a range of guest salt concentration. Materials based on Eu(CF3SO3)(3) were obtained as mechanically robust, flexible, transparent, and completely amorphous films. Samples were characterized by thermal analysis (thermo-gravimetry analysis (TGA) and differential scanning calorimetry (DSC), electrochemical stability, scanning electronmicroscopy (SEM), and photoluminescence spectroscopy.

keywords

EMISSION RED-SHIFT; POLYMER ELECTROLYTES; LUMINESCENCE; CHITOSAN; FILMS; OPPORTUNITIES; HYBRIDS; CHITIN

subject category

Crystallography

authors

Ribeiro, G; Conde, M; Carvalho, J; Rodrigues, LC; Alves, R; Ferreira, RAS; Pawlicka, A; Carlos, LD; Silva, MM

our authors

foto Luís Carlos

Luís Carlos

Full professor
foto Maria Rute de Amorim e Sá Ferreira André

Maria Rute de Amorim e Sá Ferreira André

Full professor

Groups

G2 - Photonic, Electronic and Magnetic Materials

acknowledgements

The authors gratefully acknowledge the financial support provided by the University of Minho and the Fundacao para a Ciencia e Tecnologia (contracts POCTI/SFA/3/686 and SFRH/BD/38616/2007) for laboratory equipment and research staff. The authors are also indebted to CNPq and CAPES for the financial support given to this research.

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Publication Details

type
Journal Article
year
2012
journal
MOLECULAR CRYSTALS AND LIQUID CRYSTALS
volume
562
publisher
TAYLOR & FRANCIS LTD
issn
1542-1406
digital object identifier
10.1080/15421406.2012.679172
web of science article identifier
WOS:000307059000013

Journal Metrics (JCR 2019)

Journal Impact Factor
0.512
Journal Impact Factor (5 yrs)
0.472
category normalized journal percentile
6.251

Citations

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