• Moros, J., Fdez-Ortiz de Vallejuelo, S., Gredilla, A., de Diego, A., Madariaga, J.M., Garrigues, S., de la Guardia, M.  Use of Reflectance Infrared Spectroscopy for Monitoring the Metal Content of the Estuarine Sediments of the Nerbioi-Ibaizabal River (Metropolitan Bilbao, Bay of Biscay, Basque Country) Environmental Science & Technology,  2009;  43(24),  9314 - 9320
• Navarro, P., Etxebarria, N., Arana, G.  Development of a focused ultrasonic-assisted extraction of polycyclic aromatic hydrocarbons in marine sediment and mussel samples Analytica Chimica Acta,  2009;  648(2),  178 - 182
• Raposo, J.C., Bartolomé, L., Cortazar, E., Arana, G., Zabaljauregui, M., de Diego, A., Zuloaga, O., Madariaga, J.M., Etxebarria, N.  Trace Metals in Oysters, Crassotrea sps., from UNESCO Protected Natural Reserve of Urdaibai: Space-Time Observations and Source Identification Bulletin of Environmental Contamination and Toxicology,  2009;  83,  223 - 229
• Castro, K., Sarmiento, A., Martinez-Arkarazo, I., Madariaga, J.M., Fernández, L.A.  Green Copper Pigments Biodegradation in Cultural Heritage: From Malachite to Moolooite, Thermodynamic Modeling, X-ray Fluorescence, and Raman Evidence Analytical Chemistry,  2008;  80(11),  4103 - 4110
• Cortazar, E., Bartolomé, L., Arrasate, S., Usobiaga, A., Raposo, J.C., Zuloaga, O., Etxebarria, N.  Distribution and bioaccumulation of PAHs in the UNESCO protected natural reserve of Urdaibai, Bay of Biscay Chemosphere,  2008;  72(10),  1467 - 1474
• Maguregui, M., Sarmiento, A., Martínez-Arkarazo, I., Angulo, M., Castro, K., Arana, G., Etxebarria, N., Madariaga, J. M.  Analytical diagnosis methodology to evaluate nitrate impact on historical building materials Analytical and Bioanalytical Chemistry,  2008;  391,  1361 - 1370
• Martinez-Arkarazo, I., Smith, D.C., Zuloaga, O., Olazabal, M.A., Madariaga, J.M.  Evaluation of three different mobile Raman microscopes employed to study deteriorated civil building stones Journal of Raman Spectroscopy,  2008;  39(8),  1018 - 1029
• Navarro, P., Arana, G., Etxebarria, N., Dean, J.R.  Evaluation of the physiologically based extraction test as an indicator of metal toxicity in mussel tissue Analytica Chimica Acta,  2008;  622(1-2),  126 - 132
• Prieto, A., Telleria, O., Etxebarria, N., Fernández, L.A., Usobiaga, A., Zuloaga, O.  Simultaneous preconcentration of a wide variety of organic pollutants in water samples: Comparison of stir bar sorptive extraction and membrane-assisted solvent extraction Journal of Chromatography A,  2008;  1214(1-2),  1 - 10
• Prieto, A., Zuloaga, O., Usobiaga, A., Etxebarria, N., Fernández, L.A.  Use of experimental design in the optimisation of stir bar sorptive extraction followed by thermal desorption for the determination of brominated flame retardants in water samples Analytical and Bioanalytical Chemistry,  2008;  390,  739 - 748