Zobrazeno 1 - 10
of 54
pro vyhledávání: '"Joel Borges"'
Autor:
Diogo Costa, Patrícia Pereira-Silva, Paulo Sousa, Vânia Pinto, Joel Borges, Filipe Vaz, Graça Minas, Paula Sampaio
Publikováno v:
Biosensors, Vol 14, Iss 4, p 159 (2024)
This work reports on the surface functionalization of a nanomaterial supporting localized surface plasmon resonances (LSPRs) with (synthetic) thiolated oligonucleotide-based biorecognition elements, envisaging the development of selective LSPR-based
Externí odkaz:
https://doaj.org/article/485e55b3a7df4c8ea14e48f5b4d1ad5d
Publikováno v:
Sensors, Vol 23, Iss 23, p 9618 (2023)
The extinction efficiency of noble metal nanoparticles (NPs), namely gold (Au) and silver (Ag), are dependent on their size and surrounding dielectric. Exploiting the Localized Surface Plasmon Resonance (LSPR) phenomenon, the composition and structur
Externí odkaz:
https://doaj.org/article/0e0b2c4ee5f84a63902587746726eb9b
Autor:
Diana I. Meira, Manuela Proença, Rita Rebelo, Ana I. Barbosa, Marco S. Rodrigues, Joel Borges, Filipe Vaz, Rui L. Reis, Vitor M. Correlo
Publikováno v:
Biosensors, Vol 12, Iss 11, p 951 (2022)
Currently, there is an increasing need to develop highly sensitive plasmonic sensors able to provide good biocompatibility, flexibility, and optical stability to detect low levels of analytes in biological media. In this study, gold nanoparticles (Au
Externí odkaz:
https://doaj.org/article/5d0b508ee0b546a488a15f95fda33999
Autor:
Manuela Proença, Marco S. Rodrigues, Diana I. Meira, M. Cidalia R. Castro, Pedro V. Rodrigues, Ana V. Machado, Eduardo Alves, Nuno P. Barradas, Joel Borges, Filipe Vaz
Publikováno v:
Sensors, Vol 22, Iss 18, p 7043 (2022)
In this study, thin films composed of gold nanoparticles embedded in a copper oxide matrix (Au:CuO), manifesting Localized Surface Plasmon Resonance (LSPR) behavior, were produced by reactive DC magnetron sputtering and post-deposition in-air anneali
Externí odkaz:
https://doaj.org/article/43344796beb445e6af51ebc05527dc37
Autor:
Patrícia Pereira-Silva, Diana I. Meira, Augusto Costa-Barbosa, Diogo Costa, Marco S. Rodrigues, Joel Borges, Ana V. Machado, Albano Cavaleiro, Paula Sampaio, Filipe Vaz
Publikováno v:
Nanomaterials, Vol 12, Iss 9, p 1526 (2022)
Optical biosensors based on localized surface plasmon resonance (LSPR) are the future of label-free detection methods. This work reports the development of plasmonic thin films, containing Au nanoparticles dispersed in a TiO2 matrix, as platforms for
Externí odkaz:
https://doaj.org/article/53c89c65ac794cf2805f69647014d0b6
Publikováno v:
SoftwareX, Vol 12, Iss , Pp 100522- (2020)
Thin films containing metal (gold, silver, etc.) nanoparticles are important platforms for molecular sensing based on the localized surface plasmon resonance (LSPR) phenomenon. To support their use in high-resolution LSPR spectroscopy systems, a soft
Externí odkaz:
https://doaj.org/article/a5e9ca800d2d44ce84d6fa1de199602d
Publikováno v:
Sensors, Vol 22, Iss 4, p 1375 (2022)
This study aimed at introducing thin films exhibiting the localized surface plasmon resonance (LSPR) phenomenon with a reversible optical response to repeated uniaxial strain. The sensing platform was prepared by growing gold (Au) nanoparticles throu
Externí odkaz:
https://doaj.org/article/33dcc2ce41264158b343fcf499439dc6
Autor:
Cláudia Lopes, Patrique Fiedler, Marco Sampaio Rodrigues, Joel Borges, Maurizio Bertollo, Eduardo Alves, Nuno Pessoa Barradas, Silvia Comani, Jens Haueisen, Filipe Vaz
Publikováno v:
Sensors, Vol 21, Iss 23, p 8143 (2021)
In a new era for digital health, dry electrodes for biopotential measurement enable the monitoring of essential vital functions outside of specialized healthcare centers. In this paper, a new type of nanostructured titanium-based thin film is propose
Externí odkaz:
https://doaj.org/article/b3f3a435511845cfa4b464834aa0d2d3
Autor:
Marco S. Rodrigues, Joel Borges, Cláudia Lopes, Rui M. S. Pereira, Mikhail I. Vasilevskiy, Filipe Vaz
Publikováno v:
Applied Sciences, Vol 11, Iss 12, p 5388 (2021)
This work presents a comprehensive review on gas sensors based on localized surface plasmon resonance (LSPR) phenomenon, including the theory of LSPR, the synthesis of nanoparticle-embedded oxide thin films, and strategies to enhance the sensitivity
Externí odkaz:
https://doaj.org/article/dccc95e45d5b43be93dde3e16a6efb96
Publikováno v:
Critical Reviews in Food Science and Nutrition. :1-43