Browsing by Subject "Impedance spectroscopy"
Now showing items 1-20 of 54
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A novel dual-parameter proximity and touch sensor using SiO2 nanoparticles and NaCl with commercial acrylic-based encapsulation
(Elsevier, 2024-06)
Article
Open AccessThis study shows the development and analysis of a novel capacity proximity sensor (CPS) based on a sensing layer made up of a mixture of silicon dioxide nanoparticles (SiO2) and sodium chloride (NaCl), and an encapsulation ... -
A synergistic combination of tetraethylorthosilicate and multiphosphonic acid offers excellent corrosion protection to AA1100 aluminum alloy
(2013-05-15)
Article
Restricted access - publisher's policyThis work describes a new mechanism for the incorporation of organophosphonic acid into silane self-assembly monolayers, which has been used to protect AA1100 aluminum alloy. The protection improvement has been attributed ... -
Análisis de células solares de alto rendimiento mediante espectroscopía de impedancias
(Universitat Politècnica de Catalunya, 2016-07-11)
Bachelor thesis
Open AccessThis project aims to make measurements on solar cell high yield by a novel technique based on obtaining impudencias measured by spectroscopy using an impedance analyzed . After making measurements using this technique it ... -
Application for control, visualization and analysis of Fast-EIS measurements for medical applications
(Universitat Politècnica de Catalunya, 2024-07-09)
Bachelor thesis
Open AccessThis project involves developing an application to control a Fast Electrical Impedance Spectroscopy system, optimizing the high-speed capture, processing, and real-time visualization of impedance data from cardiac and ... -
Basics of broadband impedance spectroscopy measurements using periodic excitations
(2012-08-21)
Article
Restricted access - publisher's policyMeasuring the impedance frequency response of systems by means of frequency sweep electrical impedance spectroscopy (EIS) takes time. An alternative based on broadband signals enables the user to acquire simultaneous ... -
Biological tissue characterization by magnetic induction spectroscopy (MIS): requirements and limitations
(IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC, 2003-07-31)
Article
Open AccessMagnetic induction spectroscopy (MIS) aims at the contactless measurement of the passive electrical properties (PEP) σ, ε, and μ of biological tissues via magnetic fields at multiple frequencies. Whereas previous publications ... -
Boosting the sensitivity and hysteresis of a gel polymer electrolyte by embedding SiO2 nanoparticles and PVP for humidity applications
(Multidisciplinary Digital Publishing Institute (MDPI), 2024-01-10)
Article
Open AccessEnhancing sensitivity and hysteresis in capacitance humidity sensors is vital for precise, reliable, and consistent humidity control. This study explores this concern by incorporating polyvinylpyrrolidone (PVP) and SiO2 ... -
Capacitance study of a polystyrene nanoparticle capacitor using impedance spectroscopy
(2019-07-19)
Article
Open AccessIn this study, a metal-insulator-metal capacitor structure is fabricated using polystyrene nanoparticles. Impedance spectroscopy is used to evaluate the performance of this capacitor in which we found a significant magnitude ... -
Caracterització elèctrica i tèrmica de ceràmiques conductores mitjançant espectroscòpia d'impedància elèctrica i anàlisi tèrmica
(Universitat Politècnica de Catalunya, 2016-07)
Master thesis (pre-Bologna period)
Restricted access - author's decision -
Caracterización electroquímica fisicoquímica de un nanomaterial híbrido Nafion/Ag-NPs
(2014)
Conference lecture
Restricted access - publisher's policyLa particular estructura química de la matriz perfluorosulfónica del Nafion, con dominios hidrofílicos e hidrofóbicos segregados formando canales nanoscópicos, ha dado pie a su uso como modelo de estructura para la fabricación ... -
Characterisation of fuel cell state using Electrochemical Impedance Spectroscopy analysis
(2008)
Conference report
Open Access -
Desenvolupament d'un sensor ceràmic intel·ligent per a la detecció i eliminació de microplàstics.
(Universitat Politècnica de Catalunya, 2022-10-26)
Bachelor thesis
Restricted access - confidentiality agreementThe current socio-environmental and health problems that have arisen from the research of the presence of microplastics in the human body expose the need not only to reduce the use of plastics but to eliminate those that ... -
Desenvolupament i validació del software d'un analitzador d'impedància multifreqüència basat en FPGA
(Universitat Politècnica de Catalunya, 2013-09-04)
Master thesis (pre-Bologna period)
Open Access[ANGLÈS] This project describes the development and validation, using experimental measurements, of the software (user interface, PC and Field Programmable Gate Array (FPGA) communication and embedded software programming) ... -
Design and Development of an FPGA-based Medical EIS System
(Universitat Politècnica de Catalunya, 2022-10-27)
Master thesis
Open AccessElectrical impedance spectroscopy is a powerful technique which can be used to characterize properties of many materials, including biological tissues. In medical applications, it is typically used as a complementary tool ... -
Design and implementation of an impedance analyzer for bacteria detection
(Universitat Politècnica de Catalunya, 2024-10-18)
Bachelor thesis
Open AccessAquest treball se centra en la implementaci ´o d’un analitzador d’imped `ancia per a ser utilit- zat en la detecci ´o i an `alisi de bacteris. El disseny se centra en la portabilitat i el cost, amb la finalitat de fer-lo ... -
Design, implementation and test of a low-cost electrical impedance spectroscopy system based on an AD5940.
(Universitat Politècnica de Catalunya, 2021-07-08)
Bachelor thesis
Open AccessEl mundo de la bioingeniería está en constante desarrollo, razón principal por la que este proyecto se ha llevado a cabo. En esta tesis, un espectroscopio de impedancia eléctrica de bajo coste (EIS) ... -
Detección de fibras plásticas en probetas de hormigón
(Universitat Politècnica de Catalunya, 2012-09-07)
Master thesis (pre-Bologna period)
Open Access[ANGLÈS] Project's objective is detecting plastic fibers inside concrete cubic samples, to differentiate between samples with or without them inside. We have got some initial samples with and without fibers which we are ... -
Determination of atrazine residues in red wine samples. A conductimetric solution
(2010)
Article
Restricted access - publisher's policyThe potential of a conductimetric immunosensor to detect residual amounts of atrazine in a complexv matrix, such as red wine, is evaluated. The immunosensor presented is based on interdigitated μ-electrodes (IDμEs), ... -
Diseño y Fabricación de dispositivos Metal-Aislante-Metal utilizando la técnica Electrospray
(Universitat Politècnica de Catalunya, 2014-02-27)
Master thesis
Open AccessAnglès: Nowadays there is an interesting grown of the manipulation of matter at the nanometric scale in order to develop new Nano-devices and to make use of theirs nanometric properties. The research group of Micro and ... -
Disseny d'un sistema d'espectroscòpia d'impedància elèctrica basat en una placa de Red Pitaya
(Universitat Politècnica de Catalunya, 2019-06)
Bachelor thesis
Open AccessFor a few years now, bioimpedance or the impedance that can be found in a biological tissue has been the object of many studies. Thanks to the existence of the Cole-Cole model, a group of cells can be approximated to an ...
