Noelia Tena Pajuelo
Telefono: 954553804
Email: Solicitar correo
Perfil en ORCID: 0000-0003-0933-5192
Perfil en Scopus: 18134706400

Grupo de Investigación: Proyecto Sexia
Departamento/Unidad: Química Analítica
Situación profesional: Profesor Titular de Universidad

Participa en los siguientes proyectos/ayudas en la US:

• Proyecto de investigación:
  • Rancidez incipiente: evaluación avanzada de marcadores químicos y sensoriales en busca de la detección temprana y la solución de problemas de calidad (PID2021-128694OB-C22 - Equipo de Investigación)
  • Estudio de los compuestos de flavor asociados a los atributos positivos de aceites de oliva vírgenes con perfil sensorial frutado, frutado verde y frutado maduro y evolución durante su vida útil (US-1381617 - Equipo Colaborador (Solicitud))
  
  

Participación en proyectos externos:

• Estudio de los marcadores de flavor de aceites de oliva vírgenes con niveles de calidad intermedios entre categorías y transferibilidad e impacto sensorial en sistemas de alimentos más complejos (Consejo Superior de Investigaciones Científicas)

Cobertura de la base de datos de proyectos, véase aqui

Publicaciones:

Libros

Garcia Asuero, Agustin, Tena Pajuelo, Noelia:
Antioxidant Capacity of Anthocyanins and other Vegetal Pigments: Modern Assisted Extraction Methods and Analysis. Mdpi. 2022. 262. ISBN 9783036552538

Capítulos en Libros

Tena Pajuelo, Noelia:
Storage and Preservation of Fats and Oils. Pag. 605-618. En: Encyclopedia of Food Security and Sustainability. Elsevier. 2019. ISBN 9780128126875

Lobo , Ana, Aparicio Ruiz, Ramón, Tena Pajuelo, Noelia, Ortiz Romero, Clemente, Díaz Montaña, E.J., et. al.:
Aroma del aceite de oliva virgen, interpretación química de la percepción sensorial. Pag. 23-38. En: Las bondades del consumo de aceite de oliva virgen. Ourense. Universidade de Vigo. 2019. ISBN 978-84-8158-835-4

Tena Pajuelo, Noelia, Aparicio Ruiz, Ramón, Koidis, Anastasios, García González, Diego Luis:
Analytical Tools in Authenticity and Traceability of Olive Oil Food Traceability and Authenticity: Analytical Techniques. Pag. 232-260. En: Food Traceability and Authenticity. Crc Press. 2017. ISBN 978-1-4987-8842-7

García González, Diego Luis, Tena Pajuelo, Noelia, Fernández Pierna, Juan Antonio, Baeten, Vincent:
Infrared, Raman, and fluorescence spectroscopies: Methodologies and Applications. Pag. 335-393. En: Handbook of Olive Oil: Analysis and Properties. Ed. 2. - New York - Estados Unidos. Springer. 2013. 772. ISBN 9780470227213

García González, Diego Luis, Tena Pajuelo, Noelia, Morales Millán, Maria Teresa, Aparicio López, Ramón:
Factors Affecting Dry Cured Ham Aroma and Volatile Composition. Pag. 186-195. En: V Congreso Mundial Jamón Huelva 2009. Consejo Regulador de la Dop ¿Jamón de Huelva¿. 2009

Publicaciones en Revistas

Tena Pajuelo, Noelia:
Gradual Changes of the Protective Effect of Phenols in Virgin Olive Oils Subjected to Storage and Controlled Stress by Mesh Cell Incubation. En: Journal of Agricultural and Food Chemistry. 2023. https://doi.org/10.1021/acs.jafc.3c04169

Aparicio Ruiz, Ramón, Tena Pajuelo, Noelia, García González, Diego Luis:
An International Survey on Olive Oils Quality and Traceability: Opinions from the Involved Actors. En: Foods: Open Access Journal. 2022. Vol. 11. Núm. 7

Lobo , Ana, Tena Pajuelo, Noelia, Aparicio Ruiz, Ramón, Morales Millán, Maria Teresa, García González, Diego Luis:
A study of the dynamic changes of stability taking place during virgin olive oil storage period examined by mesh cell-FTIR spectroscopy. En: LWT-Food Science and Technology. 2022. Vol. 172. https://doi.org/10.1016/j.lwt.2022.114160

Garcia Asuero, Agustin, Tena Pajuelo, Noelia:
Up-To-Date Analysis of the Extraction Methods for Anthocyanins: Principles of the Techniques, Optimization, Technical Progress, and Industrial Application. En: Antioxidants. 2022. https://doi.org/10.3390/antiox11020286

Tena Pajuelo, Noelia, G. Asuero, Agustín:
Antioxidant Capacity of Anthocyanins and Other Vegetal Pigments: Modern Assisted Extraction Methods and Analysis. En: Antioxidants. 2022. https://doi.org/10.3390/antiox11071256

Garcia Asuero, Agustin, Tena Pajuelo, Noelia, Martin Bueno, Julia, Orta, María del Mar:
Current state of diagnostic, screening and surveillance testing methods for COVID-19 from an analytical chemistry point of view. En: Microchemical Journal. 2021. https://doi.org/10.1016/j.microc.2021.106305

Tena Pajuelo, Noelia, Martin Bueno, Julia, Garcia Asuero, Agustin:
State of the Art of Anthocyanins: Antioxidant Activity, Sources, Bioavailability, and Therapeutic Effect in Human Health. En: Antioxidants. 2020. https://doi.org/10.3390/antiox9050451

Tena Pajuelo, Noelia, Garcia Asuero, Agustin:
Editorial: Antioxidant Capacity of Anthocyanins and other Vegetal Pigments. En: Antioxidants. 2020. https://doi.org/10.3390/antiox9080665

Lobo , Ana, Tena Pajuelo, Noelia, Aparicio Ruiz, Ramón, García González, Diego Luis, Sikorska, Eva:
Monitoring virgin olive oil shelf-life by fluorescence spectroscopy and sensory characteristics: a multidimensional study carried out under simulated market conditions. En: Foods: Open Access Journal. 2020. 10.3390/foods9121846

Lobo , Ana, Tena Pajuelo, Noelia, Aparicio Ruiz, Ramón, Morales Millán, Maria Teresa, García González, Diego Luis:
Tracking sensory characteristics of virgin olive oils during storage: Interpretation of their changes from a multiparametric perspective. En: Molecules. 2020. 10.3390/molecules25071686

Trypidis, Dimitrios, García González, Diego Luis, Lobo , Ana, Nenadis, Nicolaos, Tsimidou, María Z., et. al.:
Real time monitoring of the combined effect of chlorophyll content and light filtering packaging on virgin olive oil photo-stability using mesh cell-FTIR spectroscopy. En: Food Chemistry. 2019. https://doi.org/10.1016/j.foodchem.2019.05.084

Tena Pajuelo, Noelia, Aparicio López, Ramón, Baeten, Vincent, García González, Diego Luis, Fernández Pierna, Juan Antonio:
Assessment of Vibrational Spectroscopy Performance in Geographical Identification of Virgin Olive Oils: A World Level Study. En: European Journal of Lipid Science And Technology. 2019. https://doi.org/10.1002/ejlt.201900035

Ledea Lozano , Oscar E., Fernández Garcia, Lidia Asela, Gil Ibarra, Dayana, Tena Pajuelo, Noelia, Garcés Mancheño, Rafael, et. al.:
Characterization of different ozonized sunflower oils I. Chemical changes during ozonization. En: Grasas y Aceites. 2019. Vol. 70. Núm. 4. 10.3989/gya.1166182

Tena Pajuelo, Noelia:
Photooxidation Effect in Liquid Lipid Matrices: Answers from an Innovative FTIR Spectroscopy Strategy with ¿Mesh Cell¿ Incubation. En: Journal of Agricultural and Food Chemistry. 2018. https://doi.org/10.1021/acs.jafc.7b05981

García González, Diego Luis, Tena Pajuelo, Noelia, Romero del Rio, Inmaculada, Aparicio Ruiz, Ramón, Morales Millán, Maria Teresa, et. al.:
A Study of the differences between trade standards inside and outside Europe. En: Grasas y Aceites. 2017. 10.3989/gya.0446171

Aparicio Ruiz, Ramón, Tena Pajuelo, Noelia, Romero del Rio, Inmaculada, Aparicio López, Ramón, García González, Diego Luis, et. al.:
Predicting extra virgin olive oil freshness during storage by fluorescence spectroscopy. En: Grasas y Aceites. 2017. Vol. 68. Núm. e219. 10.3989/gya.0332171

Tena Pajuelo, Noelia, Aparicio López, Ramón, García González, Diego Luis:
Virgin olive oil stability study by mesh cell-FTIR spectroscopy. En: Talanta. 2017. Vol. 167. Pag. 453-461. http://dx.doi.org/10.1016/j.talanta.2017.02.042

Aparicio Ruiz, Ramón, García González, Diego Luis, Oliver Pozo, Celia, Tena Pajuelo, Noelia, Morales Millán, Maria Teresa, et. al.:
Phenolic profile of virgin olive oils with and without sensory defects: Oils with non oxidative defects exhibit a considerable concentration of phenols. En: LWT-Food Science and Technology. 2016. Vol. 118. Pag. 299-307. 10.1002/ejlt.201400337

Vivancos Garcia, Jorge, Tena Pajuelo, Noelia, Morales Millán, Maria Teresa, Aparicio López, Ramón, García González, Diego Luis:
A neuroimaging study of pleasant and unpleasant olfactory perceptions of virgin olive oil. En: Grasas y Aceites. 2016. Vol. 67. Núm. 4. http://dx.doi.org/10.3989/gya.0329161

Tena Pajuelo, Noelia, Wang, Selina C.:
In-Depth Assessment of Analytical Methods for Olive Oil Purity, Safety, and Quality Characterization. En: Journal of Agricultural and Food Chemistry. 2015. https://doi.org/10.1021/jf5062265

Tena Pajuelo, Noelia:
Origin authentication of distillers¿ dried grains and solubles (DDGS)¿application and comparison of different analytical strategies. En: Analytical and Bioanalytical Chemistry. 2015. Vol. 407. Pag. 6447-6461. DOI 10.1007/s00216-015-8807-y

Tena Pajuelo, Noelia:
Identification of botanical and geographical origin of distillers dried grains with solubles by near infrared microscopy. En: Food Control. 2015. Vol. 54. Pag. 103-110. http://dx.doi.org/10.1016/j.foodcont.2015.01.033

Tena Pajuelo, Noelia:
Use of polar and nonpolar fractions as additional information sources for studying thermoxidized virgin olive oils by FTIR. En: Grasas y Aceites. 2014. http://dx.doi.org/10.3989/gya.121913

Tena Pajuelo, Noelia:
Differentiation of meat and bone meal from fishmeal by near infrared spectroscopy: Extension of scope to defatted samples. En: Food Control. 2014. Vol. 43. Pag. 155-162. http://dx.doi.org/10.1016/j.foodcont.2014.03.001

García González, Diego Luis, Tena Pajuelo, Noelia, Aparicio Ruiz, Ramón, Aparicio López, Ramón:
Sensor responses to fat food aroma: A comprehensive study of dry-cured ham. En: Talanta. 2014. Vol. 120. Pag. 342-348. http://dx.doi.org/10.1016/j.talanta.2013.12.013

Tena Pajuelo, Noelia, Aparicio Ruiz, Ramón, García González, Diego Luis:
Time course analysis of fractionated thermoxidized virgin olive oil by FTIR spectroscopy. En: Journal of Agricultural and Food Chemistry. 2013. Vol. 61. Pag. 3212-3218. dx.doi.org/10.1021/jf305422d

Aparicio López, Ramón, Morales Millán, Maria Teresa, Aparicio Ruiz, Ramón, Tena Pajuelo, Noelia, García González, Diego Luis:
Authenticity of Olive Oil: Mapping and Comparing Official Methods and Promising Alternatives. En: Food Research International. 2013. Vol. 54. Pag. 2025-2038. https://doi.org/10.1016/j.foodres.2013.07.039

Tena Pajuelo, Noelia:
Chemical changes of thermoxidized virgin olive oil determined by excitation¿emission fluorescence spectroscopy (EEFS). En: Food Research International. 2012. https://doi.org/10.1016/j.foodres.2011.10.015

Tena Pajuelo, Noelia, Aparicio López, Ramón, García González, Diego Luis:
Chemical changes of thermoxidized virgin olive oil determined by excitation¿ emission fluorescence spectroscopy (EEFS). En: Food Research International. 2012. Vol. 45. Núm. 1. Pag. 103-108. 10.1016/j.foodres.2011.10.015

García González, Diego Luis, Tena Pajuelo, Noelia, Aparicio López, Ramón:
Describing the chemical singularity of the Spanish protected designations of origin for virgin olive oils in relation to oils from neighbouring areas. En: Grasas y Aceites. 2012. Vol. 63. Núm. 1. Pag. 26-34. 10.3989/gya.071011

Van Ruth, Saskia, Alewijn, Martin, Roger, K, Newton Smith, e, Tena Pajuelo, Noelia, et. al.:
Authentication of organic and conventional eggs by carotenoids profiling. En: Food Chemistry. 2011. Vol. 126. Pag. 1299-1305

García González, Diego Luis, Tena Pajuelo, Noelia, Aparicio López, Ramón:
Quality Characterization of the New Virgin Olive Oil Var. Sikitita by Phenols and Volatile Compounds. En: Journal of Agricultural and Food Chemistry. 2010. Vol. 58. Pag. 8357-8364

Tena Pajuelo, Noelia:
Thermal Deterioration of Virgin Olive Oil Monitored by ATR-FTIR Analysis of Trans Content. En: Journal of Agricultural and Food Chemistry. 2009. https://doi.org/10.1021/jf9012828

Tena Pajuelo, Noelia, García González, Diego Luis, Aparicio López, Ramón:
Evaluation of Virgin Olive Oil Thermal Deterioration by Fluorescence Spectroscopy. En: Journal of Agricultural and Food Chemistry. 2009. Vol. 57. Pag. 10505-10511

García González, Diego Luis, Tena Pajuelo, Noelia, Aparicio López, Ramón:
Contributing to Interpret Sensory Attributes Qualifying Iberian Hams from the Volatile Profile. En: Grasas y Aceites. 2009. Vol. 60. Pag. 277-283

Tena Pajuelo, Noelia, Aparicio López, Ramón, García González, Diego Luis:
Thermal Deterioration of Virgin Olive Oil Controlled by Atr-FTIR Analysis of Trans Content. En: Journal of Agricultural and Food Chemistry. 2009. Vol. 57. Pag. 9997-10003

García González, Diego Luis, Tena Pajuelo, Noelia, Aparicio López, Ramón, Morales Millán, Maria Teresa:
Relationship Between Sensory Attributes and Volatile Compounds Qualifying Dry-Cured Hams. En: Meat Science. 2008. Vol. 80. Núm. 2. Pag. 315-325

García González, Diego Luis, Viera Macías, María del Pilar, Tena Pajuelo, Noelia, Aparicio López, Ramón:
Evaluation of the Methods Based on Triglycerides and Sterols for the Detection of Hazelnut Oil in Olive Oil. En: Grasas y Aceites. 2007. Vol. 58. Núm. 4. Pag. 344-350

Tena Pajuelo, Noelia, Lazzez, Aida, Aparicio Ruiz, R, García González, Diego Luis:
Volatile Compounds Characterizing Tunisian Chemiali and Chetoui Virgin Olive Oils. En: Journal of Agricultural and Food Chemistry. 2007. Vol. 55. Núm. 19. Pag. 7852-7858

García González, Diego Luis, Tena Pajuelo, Noelia, Aparicio López, Ramón:
Characterization of Olive Paste Volatiles to Predict the Sensory Quality of Virgin Olive Oil. En: European Journal of Lipid Science And Technology. 2007. Vol. 109. Núm. 7. Pag. 663-672

Tena Pajuelo, Noelia:
Thermal Deterioration of Virgin Olive Oil Monitored by ATR-FTIR Analysis of Trans Content

Tena Pajuelo, Noelia:
Origin authentication of distillers¿ dried grains and solubles (DDGS)¿application and comparison of different analytical strategies

Tena Pajuelo, Noelia:
Identification of botanical and geographical origin of distillers dried grains with solubles by near infrared microscopy

Aportaciones a Congresos

Ríos Reina, Rocío, Aparicio Ruiz, Ramón, Lobo Prieto, Ana, Díaz Montaña, E.J., Tena Pajuelo, Noelia, et. al.:
Sensomic study of the positive sensory notes of extra virgin olive oils. Poster en Congreso. 18th Euro Fed Lipid Congress. Online. 2021

Aparicio Ruiz, Ramón, Díaz Montaña, E.J., Tena Pajuelo, Noelia, Lobo , Ana, Morales Millán, Maria Teresa, et. al.:
Characterization Ability of Major and Minor Compounds in Virgin Olive Oil for Chemically Defining Protected Designation of Origin in Southern Spain. Poster en Congreso. 5th FoodIntegrity Conference. Nantes (Francia). 2018

Tena Pajuelo, Noelia:
Stability study of edible oils by mesh cell FTIR under moderate conditions of light and temperature. Poster en Congreso. Food Integrity 2017 Conference. Parma Italia. 2017

Tena Pajuelo, Noelia:
Proyecto ComFuturo: Aproximición rápida de la vida útil del aceite de oliva virgen mediante espectroscopía infrarroja. Comunicación en congreso. XVIII Simposio Científico-Técnico Expoliva 2017. Jaén (Spain). 2017

Romero del Rio, Inmaculada, Oliver Pozo, Celia, Tena Pajuelo, Noelia, Aparicio Ruiz, Ramón, García González, Diego Luis, et. al.:
Validated analytical approach for a reliable analysis of virgin olive oil volatile compounds. Poster en Congreso. 14th Euro Fed Lipid Congress. Gante (Bélgica). 2016

Romero del Rio, Inmaculada, Oliver Pozo, Celia, Tena Pajuelo, Noelia, Aparicio Ruiz, Ramón, Morales Millán, Maria Teresa, et. al.:
Authentication of virgin olive oil quality by a SPME-GCMS validated method. Poster en Congreso. 3rd Food Integrity Conference, ¿Assuring the integrity of the food chain: food authenticity research priorities and funding opportunities¿. Praga (República Checa). 2016

Oliver Pozo, Celia, Romero del Rio, Inmaculada, Tena Pajuelo, Noelia, Aparicio Ruiz, Ramón, Morales Millán, Maria Teresa, et. al.:
Developing Analytical Tools for Sensory Assessment: from Aroma to Flavour Compounds and Vive Versa. Ponencia en Congreso. 14 EuroFedLipid. Gante (Bélgica). 2016

García González, Diego Luis, Tena Pajuelo, Noelia, Oliver Pozo, Celia, Romero del Rio, Inmaculada, Morales Millán, Maria Teresa, et. al.:
Authentication of geographical provenance of virgin olive oil by means of targeted and non-targeted approaches. Ponencia en Jornada. Workshop ¿Geographic origin and authenticity of food products: from tools to legislation¿. , - Lisboa, Portugal. 2016

Tena Pajuelo, Noelia, García González, Diego Luis:
Sensory analysis of olive oils: Do you recognise adulterated product?. Ponencia en Congreso. FoodIntegrity 2016. - Praga. 2016

Tena Pajuelo, Noelia:
Proyecto ComFuturo: Determinación rápida de la vida útil de aceites comestibles. Ponencia en Congreso. XXXVI Asamblea de miembros del intituto de la grasa AECSIC. Sevilla. 2016

Tena Pajuelo, Noelia:
Aceite de Oliva Virgen: fecha de consumo preferente y nuevas estrategias de evaluación. Comunicación en congreso. II Trafoon Training workshop on Olives. Cordoba. 2016

Romero del Rio, Inmaculada, Oliver Pozo, Celia, Tena Pajuelo, Noelia, Aparicio Ruiz, Ramón, Morales Millán, Maria Teresa, et. al.:
Study of the chemical characteristics of Andalusian virgin olive oil PDOs. Poster en Congreso. II FoodIntegrity Conference 2015. Bilbao (España). 2015

Tena Pajuelo, Noelia, Romero del Rio, Inmaculada, Oliver Pozo, Celia, Aparicio Ruiz, Ramón, Aparicio López, Ramón, et. al.:
Geographical traceability of Andalusian Virgin Olive Oils PDO. Poster en Congreso. 13th EuroFedLipid Congress. : Florencia (Italia). 2015

García González, Diego Luis, Tena Pajuelo, Noelia, Lees, Michele, Thomas, Michael, Maquet, Alain:
Olive Oil Integrity: Joining Quality and Authenticity. Poster en Congreso. 7th International Symposium on Recent Advances in Food Analysis RAFA. Praga (República Checa). 2015

Tena Pajuelo, Noelia:
Compuestos del aroma en el aceite de oliva virgen: marcando la diferencia. Comunicación en congreso. Ciclo de conferenicas de investigadores noveles. , , , , , . Facultad de Farmacia. Universidad de Sevilla. 2015

Tena Pajuelo, Noelia:
Colaboración OPIs-JRC. ¿Proyectos europeos sobre seguridad y calidad alimentaria en colaboración con distintos institutos del JRC¿. Ponencia en Jornada. Actividades y Oportunidades de Colaboración con el Centro Común de Investigación Europeo (Joint Research Centre). - MADRID, España. 2015

Tena Pajuelo, Noelia:
Authenticity of DDGS - Botanical and geographical origin classification by Near Infrared Microscopy. Poster en Congreso. 2nd food integrity & traceability conference 2014. Belfast, Belfast, Irlanda del Norte. 2014

Tena Pajuelo, Noelia, Von Holst, Christoph, Boix, Ana:
Ruggedness test of a near infrared method to differentiate meat and bone meal from fish meal. Ponencia en Congreso. NIR 2013 16th international conference on near infrared spectroscopy. Montpellier Francia. 2013

Tena Pajuelo, Noelia:
Identification of melamine and traceability of distiller grains by spectroscopic techniques. Ponencia de Seminario. JRC-IRMM Research Fellows' Seminar. Geel Belgica. 2013

Tena Pajuelo, Noelia:
Novel approach to identify melamine and structural analogues using Raman spectroscopy. Poster en Congreso. Chemical reaction in Food VII. - Praga. 2012

Tena Pajuelo, Noelia:
Authenticity of Ddgs - Botanical Origin Classification by Near Infrared Microscopy. Poster en Congreso. International Association for Spectral Imaging IASIM-12. Jurmala Latvia. 2012

Tena Pajuelo, Noelia:
Traceability of Feed Materials classification of DDGS by near infrared microscopy. Poster en Congreso. 4th International Feed Safety Conference. China University of Political Science and Law Beijing China. 2011

Boix, Ana, Tena Pajuelo, Noelia:
NIRM method: Identification of markers and transferability. Ponencia en Congreso. 3rd international feed safety conference methods and challenges. - Wageningen; Holanda. 2009

García González, Diego Luis, Tena Pajuelo, Noelia, Morales Millán, Maria Teresa, Aparicio López, Ramón:
Selection of Key Volatile Compounds for the Rapid Detection of Olive Oil Defects. Comunicación en congreso. International Symposium on Olive Irrigation and Oil Quality. Nazareth, Israel. 2009. Book of Abstracts of the International Symposium on Olive Irrigation and Oil Quality. O37. O37

García González, Diego Luis, Tena Pajuelo, Noelia, Morales Millán, Maria Teresa, Aparicio López, Ramón:
Olive Oil Quality and Irrigated Olive Tree Orchards. Comunicación en congreso. International Symposium on Olive Irrigation and Oil Quality. Nazareth, Israel. 2009. International Symposium on Olive Irrigation and Oil Quality. O40. O40

Tena Pajuelo, Noelia, García González, Diego Luis, Sayago Gómez, Ana, Morales Millán, Maria Teresa, Aparicio López, Ramón:
Estudio de Aceites de Oliva Termoxidados Por Espectroscopía de Infrarrojo Medio. Poster en Congreso. Reunión Graseqa. Huelva. 2008. XI Reunión Graseqa 2008. 30. 30

García González, Diego Luis, Tena Pajuelo, Noelia, Morales Millán, Maria Teresa, Aparicio López, Ramón:
Virgin Olive Oil Aroma Analysed by Metal Oxide Sensors. Poster en Congreso. 5th Euro Feed Lipid Congress. Gothenburg. 2007. 5th Euro Fed Lipid Congress. 246. 246

Aparicio López, Ramón, García González, Diego Luis, Luna Sánchez, Guadalupe, Morales Millán, Maria Teresa, Sanchez Peña, Carolina, et. al.:
Grupo Sexia. Poster en Congreso. XXXII Asamblea del Instituto de la Grasa. 2006. XXXII Asamblea del Instituto de la Grasa. 1. 1

Tena Pajuelo, Noelia:
Authenticity of Ddgs - Botanical Origin Classification by Near Infrared Microscopy. Poster en Congreso