Now showing items 1-12 of 12

    • Alfalfa quality detection by means of VIS-NIR optical fiber reflection spectroscopy 

      Ruiz Zamarreño, Carlos Upna Orcid; Gracia Moisés, Ander; Vitoria Pascual, Ignacio Upna Orcid; Imas González, José Javier Upna Orcid; Castaño Egues, Lorena Yveth; Avedillo, A.; Matías Maestro, Ignacio Upna Orcid (IEEE, 2022)   Contribución a congreso / Biltzarrerako ekarpena  OpenAccess
      A first approach study for the classification of alfalfa (medicago sativa) quality has been performed by means of VIS-NIR optical fiber reflection spectroscopy. Reflection spectral data has been obtained from alfalfa samples ...
    • Copper oxide coated D-shaped optical fibers for the development of LMR refractometers 

      Ozcariz Celaya, Aritz Upna Orcid; Vitoria Pascual, Ignacio Upna Orcid; Arregui San Martín, Francisco Javier Upna Orcid; Ruiz Zamarreño, Carlos Upna Orcid (IEEE, 2020)   Contribución a congreso / Biltzarrerako ekarpena  OpenAccess
      Lossy mode resonance (LMR) based refractometers obtained by means of copper oxide thin-films fabricated onto side-polished (D-shaped) are presented in this work. The high refractive index of copper oxide combined with the ...
    • Fiber optic sensor based on fluorescence quenching for heavy metal detection 

      Fuentes-Rubio, Yadira A.; Domínguez Cruz, René; Baldovino Pantaleón, Oscar; Ruiz Zamarreño, Carlos Upna Orcid; Arregui San Martín, Francisco Javier Upna Orcid (IEEE, 2020)   Contribución a congreso / Biltzarrerako ekarpena  OpenAccess
      In this paper, we present the preliminary results of a fiber optic sensor based on fluorescence quenching induced by mercury (Hg) concentrations presence in aqueous solutions. The fabrication of the sensor head consists ...
    • Fiber-based label-free D-dimer detection for early diagnosis of venous thromboembolism 

      Zubiate Orzanco, Pablo Upna Orcid; Urrutia Azcona, Aitor Upna Orcid; Ruiz Zamarreño, Carlos Upna Orcid; Fernández Irigoyen, Joaquín Upna Orcid; Giannetti, Ambra; Baldini, Francesco; Díaz Lucas, Silvia Upna Orcid; Matías Maestro, Ignacio Upna Orcid; Arregui San Martín, Francisco Javier Upna Orcid; Santamaría, Enrique; Del Villar, Ignacio Upna Orcid; Chiavaioli, Francesco (SPIE, 2020)   Contribución a congreso / Biltzarrerako ekarpena  OpenAccess
      D-dimer is a useful diagnostic biomarker for deep vein thrombosis or pulmonary embolism, collectively referred to as venous thromboembolism (VTE). The ability to detect in real-time the amount of D-dimer with a fast and ...
    • Hands-on teaching with microcontrollers 

      Ruiz Zamarreño, Carlos Upna Orcid (IEEE, 2021)   Contribución a congreso / Biltzarrerako ekarpena  OpenAccess
      Teaching electronics can be fun and motivating when you give the students the freedom to develop their own projects but of course, with a proper supervision. This work presents a case study where the teaching of microcontrollers ...
    • Lossy mode resonance enabling ultra-low detection limit for fibre-optic biosensors (INVITED) 

      Chiavaioli, Francesco; Giannetti, Ambra; Tombelli, Sara; Trono, Cosimo; Del Villar, Ignacio Upna Orcid; Matías Maestro, Ignacio Upna Orcid; Zubiate Orzanco, Pablo Upna Orcid; Ruiz Zamarreño, Carlos Upna Orcid; Arregui San Martín, Francisco Javier Upna Orcid; Baldini, Francesco (Springer, 2020)   Contribución a congreso / Biltzarrerako ekarpena  OpenAccess
      The combination of optical fibre-based biosensors with nanotechnologies is providing the opportunity for the development of in situ, portable, lightweight, versatile and high-sensitivity optical sensing platforms. We report ...
    • Lossy mode resonance sensors based on tungsten oxide thin films 

      Del Villar, Ignacio Upna Orcid; Bohórquez Navarro, Dina Luz Upna Orcid; Caputo, Domanico; Buzzin, Alessio; Chiavaioli, Francesco; Baldini, Francesco; Ruiz Zamarreño, Carlos Upna Orcid; Matías Maestro, Ignacio Upna Orcid (IEEE, 2020)   Contribución a congreso / Biltzarrerako ekarpena  OpenAccess
      Tungsten oxide (WO3) thin-films fabricated on glass slides have been proven to generate lossy mode resonances (LMRs) in the visible region. Obtained devices were characterized in transmission by lateral incidence of light ...
    • Micro sized interdigital capacitor for humidity detection based on agarose coating 

      Vitoria Pascual, Ignacio Upna Orcid; Armas, Dayron; Coronel Camones, Carlos Manuel; Ozcariz Celaya, Aritz Upna Orcid; Ruiz Zamarreño, Carlos Upna Orcid; Matías Maestro, Ignacio Upna Orcid (2021)   Contribución a congreso / Biltzarrerako ekarpena  OpenAccess
      A micro sized interdigital capacitor has been proposed for the detection of relative humidity. The photolithography technique enables the fabrication of fingers with a size of 10x500 um. A thin film of agarose functionalizes ...
    • Mode transition during deposition of nanoscale ITO coatings on tilted fiber Bragg gratings 

      Imas González, José Javier Upna Orcid; Albert, Jacques; Del Villar, Ignacio Upna Orcid; Ozcariz Celaya, Aritz Upna Orcid; Ruiz Zamarreño, Carlos Upna Orcid; Matías Maestro, Ignacio Upna Orcid (Optica Publishing Group, 2022)   Contribución a congreso / Biltzarrerako ekarpena  OpenAccess
      The mode transition phenomenon is experimentally demonstrated in tilted fiber Bragg gratings (TFBG) through the deposition of an indium tin oxide (ITO) thin film employing a DC sputtering machine.
    • Multi-sensing platform design with a grating-based nanostructure on a coverslip substrate 

      Imas González, José Javier Upna Orcid; Del Villar, Ignacio Upna Orcid; Ruiz Zamarreño, Carlos Upna Orcid; Mukhopadhyay, Subhas C.; Matías Maestro, Ignacio Upna Orcid (Springer, 2023)   Contribución a congreso / Biltzarrerako ekarpena
      Two different thin film designs with a grating pattern are simulated on a soda lime coverslip, which acts as optical waveguide, with the purpose of generating both a lossy mode resonance (LMR) in transmission and reflection ...
    • Optical biosensors: a quick overview 

      Imas González, José Javier Upna Orcid; Ruiz Zamarreño, Carlos Upna Orcid; Matías Maestro, Ignacio Upna Orcid (2021)   Contribución a congreso / Biltzarrerako ekarpena  OpenAccess
      This work aims to provide a brief overview of the latest trends in the domain of optical biosensors.
    • Rheumatoid arthritis miRNA biomarker detection by means of LMR based fiber-optic biosensor 

      Imas González, José Javier Upna Orcid; Ruiz Zamarreño, Carlos Upna Orcid; Zubiate Orzanco, Pablo Upna Orcid; Campión, J.; Sánchez-Martín, L.; Matías Maestro, Ignacio Upna Orcid (IEEE, 2020)   Contribución a congreso / Biltzarrerako ekarpena  OpenAccess
      Development of miRNA optical biosensors for disease diagnosis and monitoring has acquired relevance in recent years, due to the clinical importance of miRNA and the inherent advantages of optical sensors. Here, we present ...

      El Repositorio ha recibido la ayuda de la Fundación Española para la Ciencia y la Tecnología para la realización de actividades en el ámbito del fomento de la investigación científica de excelencia, en la Línea 2. Repositorios institucionales (convocatoria 2020-2021).
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