Santano Rivero, Desiree
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Santano Rivero
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Desiree
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Ingeniería Eléctrica, Electrónica y de Comunicación
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Publication Open Access Thin film coated D-shaped fiber regenerable biosensor(Optica, 2020) Santano Rivero, Desiree; Ciáurriz Gortari, Paula; Tellechea Malda, Edurne; Zubiate Orzanco, Pablo; Socorro Leránoz, Abián Bentor; Del Villar, Ignacio; Matías Maestro, Ignacio; Arregui San Martín, Francisco Javier; Ingeniería Eléctrica, Electrónica y de Comunicación; Ingeniaritza Elektrikoa, Elektronikoa eta Telekomunikazio Ingeniaritza; Institute of Smart Cities - ISCWe present a novel covalent functionalization of a D-shape fiber biosensor based on Lossy Mode Resonances. IgG/anti-IgG model is applied to prove the regeneration of the union and thus the re-usability of the sensor.Publication Open Access Regenerable LMR-based fiber optic immunosensor with a SnO2 metallic oxide thin film for label-free detection(Elsevier, 2025-02-02) Santano Rivero, Desiree; Zubiate Orzanco, Pablo; Socorro Leránoz, Abián Bentor; Del Villar, Ignacio; Ingeniería Eléctrica, Electrónica y de Comunicación; Ingeniaritza Elektrikoa, Elektronikoa eta Telekomunikazio Ingeniaritza; Institute of Smart Cities - ISC; Universidad Pública de Navarra / Nafarroako Unibertsitate PublikoaThis paper introduces the fabrication and characterization of a regenerable LMR-based, label-free optical fiber immunosensor. This innovative biosensor proposal was developed by functionalizing a SnO2 metallic oxide thin film deposited on a D-shaped optical fiber using a silanization protocol. The system successfully detected IgG - anti-IgG complexes in real-time in a range of concentrations from 0.5 to 10 ¿g/ml and achieved a limit of detection (LoD) of 0.12 μg/ml of anti-IgG. The biosensor was extensively tested to assess its capacity for regeneration, confirming that it can be reused repeatedly, reducing the overall cost and waste typically associated with disposable sensors. This regenerability has significant implications for a range of applications, providing a more sustainable and flexible approach to biosensing technology.Publication Open Access Short single strand DNA detection by means of Lossy Mode Resonance based fiber-optic sensor(IEEE, 2019-01-14) Zubiate Orzanco, Pablo; Ciáurriz Gortari, Paula; Tellechea Malda, Edurne; Santano Rivero, Desiree; Del Villar, Ignacio; Urrutia Azcona, Aitor; Arregui San Martín, Francisco Javier; Matías Maestro, Ignacio; Ruiz Zamarreño, Carlos; Ingeniería Eléctrica, Electrónica y de Comunicación; Ingeniaritza Elektrikoa, Elektronikoa eta Telekomunikazio Ingeniaritza; Institute of Smart Cities - ISC; Universidad Pública de Navarra / Nafarroako Unibertsitate Publikoa, PJUPNA26Development of DNA and RNA biosensors and the associated diagnostic tests have gained growing interest in recent years. In particular, short RNA chains (around 25 oligonucleotides), known as micro RNAs, can be associated different stroke and neurodegenerative diseases. Here, we present the utilization of highly sensitive fiber optic sensor based on Lossy Mode Resonance (LMR) for the detection of single strand complementary DNA (ssDNA) associated to Huntington disease (Hsa-miR-34b).Publication Open Access Lossy mode resonance sensors based on nanocoated multimode-coreless-multimode fibre(Elsevier, 2020) Vicente Gómara, Adrián; Santano Rivero, Desiree; Zubiate Orzanco, Pablo; Urrutia Azcona, Aitor; Del Villar, Ignacio; Ruiz Zamarreño, Carlos; Ingeniaritza Elektrikoa, Elektronikoaren eta Telekomunikazio Ingeniaritzaren; Institute of Smart Cities - ISC; Ingeniería Eléctrica, Electrónica y de Comunicación; Gobierno de Navarra / Nafarroako Gobernua; Universidad Pública de Navarra / Nafarroako Unibertsitate Publikoa, PJUPNA26In this work it is proved the ability to obtain lossy mode resonances (LMRs) in the transmission spectrum with multimode-coreless-multimode fibre optic structure coated with tin oxide on the coreless segment. The devices were characterized as a function of the surrounding medium refractive index and sensitivities of 7346.93 nm/RIU and 708.57 nm/RIU were attained for the first and the second LMR respectively. As an application proof of this technology, one of the devices was biofunctionalized and used for detecting goat anti-mouse IgG in concentrations ranging from 1 to 40 mg/L, with a limit of detection of 0.6 mg/L. This proves the ability of this simple structure to be used for biological, chemical or environmental applications.