Abstract
Nanomaterials such as nanoparticles, nanofibers and nanostructured films are promising for the development of miniaturized devices. Among such nanomaterials, polymeric nanofibers stands out due to their high surface are and good mechanical properties. Nanostructured polymeric films are of great applicability for the development of chemical sensors such as the electronic tongue. More recently, newly hybrid architectures formed by the combination of organic nanostructured films and metallic nanoparticles have been employed for sensors fabrication. Such devices combine the properties of the single constituent materials, yielding the final device optimized properties (including electrical and optical one). In this project we propose the fabrication of electrospun nanofibers from insulating polymer doped with conducting and electroluminescent polymers, as well as with metallic nanoparticles. We also propose the fabrication of hybrid nanostructured films based on conjugated polymers and metallic nanoparticles, aiming at application in optical and chemical sensors, including the electronic tongue sensor. Such sensors will be applied in analysis of water and milk, contaminated with several analytes, including antibiotics and hormones. For the characterization of morphology, roughness and physico-chemical properties, of hybrid nanofibers and nanofilms, we will employ techniques such as: UV-Vis absorption spectroscopy, FTIR, thermal analysis, X-Ray diffraction, atomic force microscopy, scanning electron microscopy, fluorescence and confocal microscopy, and characterization of electrical properties in AC and DC regime. (AU)
Scientific publications
(24)
(References retrieved automatically from Web of Science and SciELO through information on FAPESP grants and their corresponding numbers as mentioned in the publications by the authors)
PAULA, KELLY T.;
GAAL, GABRIEL;
ALMEIDA, G. F. B.;
ANDRADE, M. B.;
FACURE, MURILO H. M.;
CORREA, DANIEL S.;
RIUL JR, ANTONIO;
RODRIGUES, VARLEI;
MENDONCA, CLEBER R.
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Interaction of peptides obtained from the enzymatic hydrolysis of soybean meal with cyclodextrins: an evaluation of bitterness reduction.
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CARVALHO, ANDRE L.;
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Immunosensor for Pancreatic Cancer Based on Electrospun Nanofibers Coated with Carbon Nanotubes or Gold Nanoparticles.
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MATTOSO, LUIZ H. C.;
CORREA, DANIEL S.
Solution blow spun PMMA nanofibers wrapped with reduced graphene oxide as an efficient dye adsorbent.
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MANZOLI, ALEXANDRA;
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GOBBI, ANGELO L.;
CORREA, DANIEL S.;
PAULOVICH, FERNANDO V.;
OLIVEIRA, JR., OSVALDO N.
Information Visualization and Feature Selection Methods Applied to Detect Gliadin in Gluten-Containing Foodstuff with a Microfluidic Electronic Tongue.
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Voltammetric cadmium(II) sensor based on a fluorine doped tin oxide electrode modified with polyamide 6/chitosan electrospun nanofibers and gold nanoparticles.
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MATTOSO, LUIZ H. C.;
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Hybrid layer-by-layer (LbL) films of polyaniline, graphene oxide and zinc oxide to detect ammonia.
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FEB 2017.
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CORREA, DANIEL S.
Hybrid composite material based on polythiophene derivative nanofibers modified with gold nanoparticles for optoelectronics applications.
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BALOGH, DEBORA T.
Synthesis of a Nanocomposite Containing a Water-Soluble Polythiophene Derivative and Gold Nanoparticles.
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Femtosecond laser ablation of gold interdigitated electrodes for electronic tongues.
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MATTOSO, LUIZ H. C.;
CORREA, DANIEL S.
Electrospun Polyamide 6/Poly(allylamine hydrochloride) Nanofibers Functionalized with Carbon Nanotubes for Electrochemical Detection of Dopamine.
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Improving the electrochemical properties of polyamide 6/polyaniline electrospun nanofibers by surface modification with ZnO nanoparticles.
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