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31 p, 2.2 MB |
Tailoring plasmonic resonances in Cu-Ag metal islands films
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Bubaš, Matej (Ruder Bošković Institute) ;
Janicki, Vesna (Ruder Bošković Institute) ;
Mezzasalma, Stefano A. (Lund Institute of Advanced Neutron and X-ray Science) ;
Spadaro, Maria Chiara (Institut Català de Nanociència i Nanotecnologia) ;
Arbiol i Cobos, Jordi (Institut Català de Nanociència i Nanotecnologia) ;
Sancho-Parramon, Jordi (Ruder Bošković Institute)
The plasmonic response of Cu-Ag metal islands films is investigated. Films are obtained by subsequent electron beam deposition of Ag and Cu using different fabrication conditions: deposited mass thickness, substrate temperature and post-deposition annealing in vacuum. [...]
2021 - 10.1016/j.apsusc.2021.150260
Applied surface science, Vol. 564 (Oct. 2021) , art. 150260
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15 p, 2.7 MB |
Biochemistry strategies for label-free optical sensor biofunctionalization : advances towards real applicability
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Soler Aznar, Maria (Institut Català de Nanociència i Nanotecnologia) ;
Lechuga, Laura M (Institut Català de Nanociència i Nanotecnologia)
Label-free biosensors, and especially those based on optical transducers like plasmonic or silicon photonic systems, have positioned themselves as potential alternatives for rapid and highly sensitive clinical diagnostics, on-site environmental monitoring, and for quality control in foods or other industrial applications, among others. [...]
2021 - 10.1007/s00216-021-03751-4
Analytical and bioanalytical chemistry, Vol. 414, Issue 18 (November 2021) , p. 5071-5085
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26 p, 2.3 MB |
Modulation of population density and size of silver nanoparticles embedded in bacterial cellulose : via ammonia exposure: visual detection of volatile compounds in a piece of plasmonic nanopaper
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Heli, B. (Institut Català de Nanociència i Nanotecnologia) ;
Morales-Narváez, Eden (Institut Català de Nanociència i Nanotecnologia) ;
Golmohammadi, Hamed (ACECR-Production Technology Institute) ;
Ajji, A. (Polytechnique Montréal. Département de Génie Chimique) ;
Merkoçi, Arben (Institució Catalana de Recerca i Estudis Avançats)
The localized surface plasmon resonance exhibited by noble metal nanoparticles can be sensitively tuned by varying their size and interparticle distances. We report that corrosive vapour (ammonia) exposure dramatically reduces the population density of silver nanoparticles (AgNPs) embedded within bacterial cellulose, leading to a larger distance between the remaining nanoparticles and a decrease in the UV-Vis absorbance associated with the AgNP plasmonic properties. [...]
2016 - 10.1039/c6nr00537c
Nanoscale, Vol. 8, issue 15 (April 2016) , p. 7984-7991
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18 p, 3.3 MB |
Fast and accurate pneumocystis pneumonia diagnosis in human samples using a label-free plasmonic biosensor
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Calvo Lozano, Olalla (Institut Català de Nanociència i Nanotecnologia) ;
Aviñó, Ana (Institut de Química Avançada de Catalunya) ;
Friaza, Vicente (Instituto de Biomedicina de Sevilla) ;
Medina Escuela, Alfonso (Universidad de Las Palmas de Gran Canaria. Instituto Universitario de Microelectrónica Aplicada) ;
Huertas, César S. (Institut Català de Nanociència i Nanotecnologia) ;
Calderón, Enrique J. (Universidad de Sevilla. Departamento de Medicina) ;
Eritja, Ramon (Institut de Química Avançada de Catalunya) ;
Lechuga, Laura M (Institut Català de Nanociència i Nanotecnologia)
Pneumocystis jirovecii is a fungus responsible for human Pneumocystis pneumonia, one of the most severe infections encountered in immunodepressed individuals. The diagnosis of Pneumocystis pneumonia continues to be challenging due to the absence of specific symptoms in infected patients. [...]
2020 - 10.3390/NANO10061246
Nanomaterials, Vol. 10, issue 6 (June 2020) , art. 1246
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7.
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12 p, 1.0 MB |
Site-Specific mRNA Cleavage for Selective and Quantitative Profiling of Alternative Splicing with Label-Free Optical Biosensors
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Huertas, César S. (Institut Català de Nanociència i Nanotecnologia) ;
Bonnal, Sophie (Universitat Pompeu Fabra) ;
Soler Aznar, Maria (Institut Català de Nanociència i Nanotecnologia) ;
Escuela, Alfonso M. (Universidad de Las Palmas de Gran Canaria) ;
Valcárcel, Juan (Universitat Pompeu Fabra) ;
Lechuga, Laura M (Institut Català de Nanociència i Nanotecnologia)
Alternative splicing of mRNA precursors is a key process in gene regulation, contributing to the diversity of proteomes by the alternative selection of exonic sequences. Alterations in this mechanism are associated with most cancers, enhancing their proliferation and survival, and can be employed as cancer biomarkers. [...]
2019 - 10.1021/acs.analchem.9b03898
Analytical chemistry, Vol. 91, Issue 23 (December 2019) , p. 15138-15146
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37 p, 1.4 MB |
On-line surface plasmon resonance biosensing of vascular endothelial growth factor signaling in intact-human hepatoma cell lines
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Mauriz, Elba (Universidad de León) ;
Carbajo Pescador, Sara (Universidad de León) ;
Ordóñez, Raquel (Universidad de León) ;
García Fernández, M. C. (Universidad de León) ;
Mauriz, José L. (Universidad de León) ;
Lechuga, Laura M (Institut Català de Nanociència i Nanotecnologia) ;
González-Gallego, Javier (Universidad de León)
Surface plasmon resonance (SPR) monitoring of biorecognition events at intracellular levels is a valuable tool for studying the angiogenic response of carcinoma living cells during tumor growth and proliferation. [...]
2014 - 10.1039/c3an02211k
Analyst, Vol. 139, Issue 6 (March 2014) , p. 1426-1435
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