Zobrazeno 1 - 10
of 196
pro vyhledávání: '"Florinda M. Costa"'
Autor:
Chunjiu Tang, Antonio J. S. Fernandes, Margarida Facao, Alexandre F. Carvalho, Weixia Chen, Haihong Hou, Florinda M. Costa
Publikováno v:
Materials, Vol 17, Iss 12, p 2976 (2024)
Nanocrystalline diamond (NCD) films are attractive for many applications due to their smooth surfaces while holding the properties of diamond. However, their growth rate is generally low using common Ar/CH4 with or without H2 chemistry and strongly d
Externí odkaz:
https://doaj.org/article/a80f3954c9354a19a9618af7a48bca46
Autor:
Ana Sofia Assunção, Miguel Vidal, Maria João Martins, Ana Violeta Girão, Médéric Loyez, Christophe Caucheteur, José Mesquita-Bastos, Florinda M. Costa, Sónia O. Pereira, Cátia Leitão
Publikováno v:
Biosensors, Vol 14, Iss 4, p 173 (2024)
Heart failure (HF) is a clinical entity included in cardiovascular diseases affecting millions of people worldwide, being a leading cause of hospitalization of older adults, and therefore imposing a substantial economic burden on healthcare systems.
Externí odkaz:
https://doaj.org/article/cc9d5610f7614032988f7fca74038b59
Autor:
Joana Rodrigues, Alexandre Faia Carvalho, Julia Zanoni, António J. S. Fernandes, Florinda M. Costa, Teresa Monteiro
Publikováno v:
Applied Sciences, Vol 14, Iss 2, p 528 (2024)
Cr-doped Al2O3 spheres with strong red emission were produced using a simple laser processing approach with a 50 W continuous CO2 laser. Structural characterization revealed that the produced spheres were monophasic, comprising the α-Al2O3 phase. Ph
Externí odkaz:
https://doaj.org/article/a4c02797eb59475690b4679dd71d737a
Autor:
Laura L. Ferreira, Rafael A. Ribeiro, António J. S. Fernandes, Florinda M. Costa, Carlos Marques, Nuno F. Santos
Publikováno v:
Chemosensors, Vol 11, Iss 6, p 338 (2023)
A 3D graphene foam made of interconnected multilayer graphene flakes was produced on optical fibres (OF) by laser-induced transformation of a polyimide (PI) film coated on the OF cladding. This material, known as laser-induced graphene (LIG), was exp
Externí odkaz:
https://doaj.org/article/c1f03de53425413b874e06f6b778a910
Autor:
Cátia Leitão, Arnaldo Leal-Junior, Ana R. Almeida, Sónia O. Pereira, Florinda M. Costa, João L. Pinto, C. Marques
Publikováno v:
Biotechnology Reports, Vol 29, Iss , Pp e00587- (2021)
This paper presents the development and feasibility tests of a cortisol immunosensor. The sensor is based on surface plasmon resonance (SPR) using an unclad plastic optical fiber (POF) in which the SPR is used as sensitivity enhancer, promoted by a g
Externí odkaz:
https://doaj.org/article/c54b7bcbc2af40e19945e54601c030d5
Autor:
Miguel Vidal, Maria Simone Soares, Médéric Loyez, Florinda M. Costa, Christophe Caucheteur, Carlos Marques, Sónia O. Pereira, Cátia Leitão
Publikováno v:
Sensors, Vol 22, Iss 6, p 2141 (2022)
Optical fiber technology has rapidly progressed over the years, providing valuable benefits for biosensing purposes such as sensor miniaturization and the possibility for remote and real-time monitoring. In particular, tilted fiber Bragg gratings (TF
Externí odkaz:
https://doaj.org/article/e8069056e63344618f2503504ea3d669
Autor:
Maria S. Batista, Joana Rodrigues, Maria S. Relvas, Júlia Zanoni, Ana V. Girão, Ana Pimentel, Florinda M. Costa, Sónia O. Pereira, Teresa Monteiro
Publikováno v:
Applied Sciences, Vol 12, Iss 4, p 2104 (2022)
Zn1+xGa2−2xGexO4 (ZGGO:Cr)-persistent phosphor, with a molar fraction, x, of x = 0.1, doped with a 0.5% molar of chromium, was synthesised via solid-state reaction at 1350 °C for 36 h. X-ray diffraction measurements and Raman spectroscopy evidence
Externí odkaz:
https://doaj.org/article/a25e9f05c4d74f5aae5e54aac9e410cb
Autor:
Joana Rodrigues, Sónia O. Pereira, Julia Zanoni, Carolina Rodrigues, Mariana Brás, Florinda M. Costa, Teresa Monteiro
Publikováno v:
Chemosensors, Vol 10, Iss 2, p 39 (2022)
Zinc oxide (ZnO) is a wide bandgap semiconductor material that has been widely explored for countless applications, including in biosensing. Among its interesting properties, its remarkable photoluminescence (PL), which typically exhibits an intense
Externí odkaz:
https://doaj.org/article/38cd331402684d3187d847a466fb0164
Autor:
Guilherme Gaspar, Joana Rodrigues, António J.S. Fernandes, Maria R. Soares, Teresa Monteiro, Rui F. Silva, Florinda M. Costa
Publikováno v:
Materials Letters: X, Vol 5, Iss , Pp - (2020)
In this work, a novel approach to synthesise zinc oxide (ZnO) directly on flexible copper substrates is proposed.The produced samples show a foam-like morphology made of agglomerates of small ZnO particles when processed at laser energy density of 18
Externí odkaz:
https://doaj.org/article/82f65a454a6b455cbd6b376f9a76d8fa
Autor:
Maria Simone Soares, Miguel Vidal, Nuno F. Santos, Florinda M. Costa, Carlos Marques, Sónia O. Pereira, Cátia Leitão
Publikováno v:
Biosensors, Vol 11, Iss 9, p 305 (2021)
The evolution of optical fiber technology has revolutionized a variety of fields, from optical transmission to environmental monitoring and biomedicine, given their unique properties and versatility. For biosensing purposes, the light guided in the f
Externí odkaz:
https://doaj.org/article/7de059664c044f5e97b5131089b70786