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Sanguino, P., Tiago Monteiro, S. R. Bhattacharyya, C. J. Dias, Rui Igreja, and Ricardo Franco. "ZnO nanorods as immobilization layers for interdigitated capacitive immunosensors." Sensors and Actuators B-Chemical. 204 (2014): 211-217. Abstract
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Neagu, E. R., C. J. Dias, M. C. Lanca, R. Igreja, P. Inacio, and J. N. Marat-Mendes. "The use of the final thermally stimulated discharge current technique to study the molecular movements around glass transition." Journal of Non-Crystalline Solids. 357 (2011): 385-390. Abstract
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Chilibon, I., J. Marat-Mendes, R. Igreja, and C. J. Dias. "Ultrasound role in sol-gel processing of PbTiO(3) ceramics." Journal of Optoelectronics and Advanced Materials. 7 (2005): 2727-2735. Abstract
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Neagu, E. R., C. J. Dias, M. C. Lanca, R. Igreja, P. Inacio, J. N. Marat-Mendes, and Ieee. "The Study of the Molecular Movements in the Range of Glass Transition by the Final Thermally Stimulated Discharge Current Technique." Proceedings of the 2010 Ieee International Conference on Solid Dielectrics. IEEE International Conference on Solid Dielectrics-ICSD. 2010. Abstract
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Goswami, Sumita, Suman Nandy, Tomas R. Calmeiro, Rui Igreja, Rodrigo Martins, and Elvira Fortunato. "Stress Induced Mechano-electrical Writing-Reading of Polymer Film Powered by Contact Electrification Mechanism." Scientific Reports. 6 (2016). AbstractWebsite
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Pereira, L., H. Aguas, R. Igreja, R. M. S. Martins, N. Nedev, L. Raniero, E. Fortunato, and R. Martins. "Sputtering preparation of silicon nitride thin films for gate dielectric applications." Advanced Materials Forum Ii. Eds. R. Martins, E. Fortunato, I. Ferreira, and C. Dias. Vol. 455-456. Materials Science Forum, 455-456. 2004. 69-72. Abstract
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Igreja, R., C. J. Dias, and J. N. Marat-Mendes. "Smart materials: The functional properties of ceramic/polymer composites and their relation to sol-gel powder preparation." Advanced Materials Forum I. Ed. T. Vieira. Vol. 230-2. Key Engineering Materials, 230-2. 2002. 177-180. Abstract
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Igreja, R., C. J. Dias, J. N. Marat-Mendes, and T. Vieira. "Smart materials: The functional properties of ceramic/polymer composites and their relation to sol-gel powder preparation." Advanced Materials Forum I. Vol. 230-2. 2002. 177-180. Abstract
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Kardarian, Kasra, Tito Busani, Ines Osorio, Helena Domingos, Rui Igreja, Ricardo Franco, and Joao Cortez. "Sintering of nanoscale silver coated textiles, a new approach to attain conductive fabrics for electromagnetic shielding." Materials Chemistry and Physics. 147 (2014): 815-822. Abstract
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Bernacka-Wojcik, Iwona, Hugo Aguas, Fabio Ferreira Carlos, Paulo Lopes, Pawel Jerzy Wojcik, Mafalda Nascimento Costa, Bruno Veigas, Rui Igreja, Elvira Fortunato, Pedro Viana Baptista, and Rodrigo Martins. "Single Nucleotide Polymorphism Detection Using Gold Nanoprobes and Bio-Microfluidic Platform With Embedded Micro lenses." Biotechnology and Bioengineering. 112 (2015): 1210-1219. Abstract
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Kitsara, M., D. Goustouridis, S. Chatzandroulis, M. Chatzichristidi, I. Raptis, T. Ganetsos, R. Igreja, and C. J. Dias. "Single chip interdigitated electrode capacitive chemical sensor arrays." Sensors and Actuators B-Chemical. 127 (2007): 186-192. Abstract
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Martins, R., R. Igreja, I. Ferreira, A. Marques, A. Pimentel, A. Goncalves, and E. Fortunato. "Room temperature dc and ac electrical behaviour of undoped ZnO films under UV light." Materials Science and Engineering B-Solid State Materials for Advanced Technology. 118 (2005): 135-140. Abstract
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Raniero, L., S. Zhang, H. Aguas, I. Ferreira, R. Igreja, E. Fortunato, and R. Martins. "Role of buffer layer on the performances of amorphous silicon solar cells with incorporated nanoparticles produced by plasma enhanced chemical vapor deposition at 27.12 MHz." Thin Solid Films. 487 (2005): 170-173. Abstract
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Dias, C. J., R. Igreja, R. Marat-Mendes, P. Inacio, J. N. Marat-Mendes, and D. K. Das-Gupta. "Recent advances in ceramic-polymer composite electrets." Ieee Transactions on Dielectrics and Electrical Insulation. 11 (2004): 35-40. Abstract
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Igreja, R., M. P. Wenger, C. J. Dias, D. K. Dasgupta, and J. N. MaratMendes PYROELECTRICITY AND PIEZOELECTRICITY IN SOL-GEL DERIVED CERAMIC POLYMER COMPOSITES., 1994. Abstract
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Igreja, R., M. P. Wenger, C. J. Dias, D. K. Dasgupta, J. N. MaratMendes, J. Lewiner, D. Morisseau, and C. Alquie. "PYROELECTRICITY AND PIEZOELECTRICITY IN SOL-GEL DERIVED CERAMIC POLYMER COMPOSITES." Ise 8 - 8th International Symposium on Electrets, Proceedings (1994): 725-730. Abstract
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Igreja, R., C. J. Dias, and J. N. MaratMendes. "Processing and characterization of sol-gel derived modified PbTiO3 for ferroelectric composite applications." Journal of Sol-Gel Science and Technology. 8 (1997): 721-723. Abstract
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Igreja, R., C. Dias, and J. Marat-Mendes. "Processing and characterization of sol-gel derived modified PbTiO(3) for ferroelectric composites." Ferroelectrics. 228 (1999): 99-109. Abstract
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Igreja, R., C. Dias, and J. Marat-Mendes. "Processing and characterization of sol-gel derived modified PbTiO(3) for ferroelectric composites." Ferroelectrics. 228 (1999): 99-109. Abstract
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Ferreira, I., R. Igreja, E. Fortunato, and R. Martins. "Porous a/nc-Si : H films produced by HW-CVD as ethanol vapour detector and primary fuel cell." Sensors and Actuators B-Chemical. 103 (2004): 344-349. Abstract
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Igreja, R., and C. J. Dias. "Organic vapour discrimination using sorption sensitive chemocapacitor arrays." Advanced Materials Forum Iii, Pts 1 and 2. Ed. P. M. Vilarinho. Vol. 514-516. Materials Science Forum, 514-516. 2006. 1064-1067. Abstract
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Neagu, E. R., C. J. Dias, M. C. Lanca, R. Igreja, P. Inacio, J. N. Marat-Mendes, and Ieee. "On the Width of the Thermally Stimulated Discharge Current Peak." Proceedings of the 2010 Ieee International Conference on Solid Dielectrics. IEEE International Conference on Solid Dielectrics-ICSD. 2010. Abstract
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Neagu, E. R., C. J. Dias, M. C. Lanca, R. Igreja, and J. N. Marat-Mendes. "Medium Electric Field Electron Injection/Extraction at Metal-Dielectric Interface." Advanced Materials Forum V, Pt 1 and 2. Eds. L. G. Rosa, and F. Margarido. Vol. 636-637. Materials Science Forum, 636-637. 2010. 437-443. Abstract
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Sanguino, Pedro, Tiago Monteiro, Frederico Marques, Carlos J. Dias, Rui Igreja, and Ricardo Franco. "Interdigitated Capacitive Immunosensors With PVDF Immobilization Layers." Ieee Sensors Journal. 14 (2014): 1260-1265. Abstract
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Osorio, Ines, Rui Igreja, Ricardo Franco, and Joao Cortez. "Incorporation of silver nanoparticles on textile materials by an aqueous procedure." Materials Letters. 75 (2012): 200-203. Abstract

A successful procedure for the in situ synthesis of silver nanoparticles by chemical reduction of a silver salt on cotton and wool textiles is reported herein. The synthesis can be advantageously performed in an aqueous system when compared with an ethanolic system. SEM studies confirmed the presence of silver nanoparticles on the treated textiles, and elemental analysis by ICP revealed that, for the aqueous system, up to 3 and 4 mg of silver per gram were deposited per gram of cotton and wool fabric, respectively. This represented an increase of up to 16-fold for cotton and 3-fold for wool compared with the ethanolic system. Thus, the difference between the aqueous and ethanolic systems was more evident for cotton, albeit more silver was deposited on wool samples in all conditions. An increase in the amount of reducing agent present resulted in more silver being deposited on the textiles when using an aqueous system. The use of water presents a great advantage for possible scale-up of the method. This simple method can be applied to produce textiles for biomedical applications or presenting conductive properties. (C) 2012 Elsevier B.V. All rights reserved.