Listar Dpto. Ingeniería Eléctrica y Electrónica - Ingeniaritza Elektriko eta Elektronikoa Saila por autor UPNA "Goicoechea Fernández, Javier"
Mostrando ítems 1-20 de 25
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An antibacterial coating based on a polymer/sol-gel hybrid matrix loaded with silver nanoparticles
In this work a novel antibacterial surface composed of an organic-inorganic hybrid matrix of tetraorthosilicate and a polyelectrolyte is presented. A precursor solution of tetraethoxysilane (TEOS) and poly(acrylic acid ... -
An antibacterial surface coating composed of PAH/SiO2 nanostructurated films by Layer by Layer
In this article we propose a novel antibacterial coating composed of SiO2 and the polymer Poly(allylamine hydrochloride) (PAH) on glass slides by the technique Layer-by- Layer (LbL)1. This technique has already used in ... -
A comparative study in the sensitivity of optical fiber refractometers based on the incorporation of gold nanoparticles into layer-by-layer films
In this work, optical fiber refractometers based on the successive incorporation of gold nanoparticles have been fabricated by means of the Layer-by-Layer Embedding (LbL-E) deposition technique. This enables the apparition ... -
A comparative study of two different approaches for the incorporation of silver nanoparticles into layer-by-layer films
In this work, a comparative study about the incorporation of silver nanoparticles (AgNPs) into thin films is presented using two alternative methods, the in situ synthesis process and the layer-by-layer embedding deposition ... -
Continuous liquid-level sensor based on a long-period grating and microwave photonics filtering techniques
A fiber optic liquid-level sensor based on a long period grating (LPG) is proposed and experimentally validated. The principle of operation is based on a technique used to analyze microwave photonics filters. A 4-cm-long ... -
Contribution to the development of functional nanostructured coatings based on silver nanoparticles
Esta tesis se centra en la síntesis de nanopartículas de plata (AgNPs) y su posterior incorporación en recubrimientos delgados usando dos métodos alternativos: el proceso de síntesis in situ (ISS) de AgNPs y la técnica de ... -
Development of optical fiber humidity sensor based on silver nanoparticles-embedded coatings
El desarrollo de nuevos materiales y métodos de deposición a escala nanométrica ha supuesto una auténtica revolución en muchas disciplinas de la investigación. En particular, en el campo de los sensores de fibra óptica, ... -
Effect of both protective and reducing agents in the synthesis of multicolor silver nanoparticles
In this paper, the influence of variable molar ratios between reducing and loading agents (1:100, 1:50, 1:20, 1:10, 1:5, 1:2, 1:1, 2:1) and between protective and loading agents (0.3:1, 0.75:1, 1.5:1, 3:1, 7.5:1, 30:1, ... -
Fiber-optic lossy mode resonance sensors
In the last 4 years, experimental evidences about the potential use of optical sensors based on Lossy Mode Resonances (LMR) have been presented in the literature. These LMR sensors have some similarities with Surface ... -
From superhydrophilic to superhydrophobic surfaces by means of polymeric Layer-by-Layer films
(Elsevier, 2015) Artículo / Artikulua -
Humidity sensor based on a long-period fiber grating coated with a hydrophobic thin film
In this work it is proposed a novel fiber optic humidity sensor based on a functionally coated long-period fiber grating (LPG). The coating is composed of tetraorthosilicate matrix functionalized with perfluorooctyltriethoxysilane ... -
Micro and nanostructured materials for the development of optical fibre sensors
The measurement of chemical and biomedical parameters can take advantage of the features exclusively offered by optical fibre: passive nature, electromagnetic immunity and chemical stability are some of the most relevant ... -
Multicolor layer-by-layer films using weak polyelectrolyte assisted synthesis of silver nanoparticles
In the present study, we show that silver nanoparticles (AgNPs) with different shape, aggregation state and color (violet, green, orange) have been successfully incorporated into polyelectrolyte multilayer thin films using ... -
Nanomaterials for functional textiles and fibers
Nanoparticles are very interesting because of their surface properties, different from bulk materials. Such properties make possible to endow ordinary products with new functionalities. Their relatively low cost with ... -
Novel highly sensitive protein sensors based on tapered optical fibres modified with Au-based nanocoatings
Novel protein sensors based on tapered optical fibres modified with Au coatings deposited using two different procedures are proposed. Au-based coatings are deposited onto a nonadiabatic tapered optical fibre using (i) a ... -
Optical fiber resonance-based pH sensors using gold nanoparticles into polymeric layer-by-layer coatings
(Springer-Verlag, 2016) Artículo / Artikulua -
Optical fiber sensors based on nanoparticle-embedded coatings
The use of nanoparticles (NPs) in scientific applications has attracted the attention of many researchers in the last few years. The use of NPs can help researchers to tune the physical characteristics of the sensing coating ... -
Optical sensor based on polymer electrospun nanofibers for sensing humidity
A novel humidity sensor based on polymer electrospun nanofibers coating onto an optical fiber is proposed in this work. The coating is composed of poly(acrylic acid), and its fabrication was performed by the electrospinning ... -
Optical sensors based on lossy-mode resonances
(Elsevier Science, 2017) Artículo / Artikulua -
Photonic crystal fiber temperature sensor based on quantum dot nanocoatings
Quantum dot nanocoatings have been deposited by means of the Layer-by-Layer technique on the inner holes of Photonic Crystal Fibers (PCFs) for the fabrication of temperature sensors. The optical properties of these sensors ...