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Henrique L. Gomes
University of the Algarve
121Publications
20H-index
1,776Citations
Publications 122
Newest
#1Catarina DiasH-Index: 6
#2Diana C. LeitaoH-Index: 15
Last.João VenturaH-Index: 21
view all 6 authors...
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#1Sanaz Asgarifar (University of the Algarve)H-Index: 2
#2Ana L. G. Mestre (University of the Algarve)H-Index: 3
Last.Henrique L. Gomes (University of the Algarve)H-Index: 20
view all 9 authors...
Abstract Herein, we describe an electrophysiological based sensor that reproducibly monitors and quantifies in real-time collective migration and the formation of cell-cell junctions by C6 glioma cells seeded on top of electrodes. The signal amplitude and frequency generated by the migrating cells changed over time and these parameters were used to accurately calculate the migration speed. Electrophysiological measurements could also distinguish individual from collective cell migration. The mig...
Source
#1Juan Antonio Martos-Sitcha (UCA: University of Cádiz)H-Index: 15
#2J. Sosa (ULPGC: University of Las Palmas de Gran Canaria)H-Index: 4
Last.Jaume Pérez-Sánchez (CSIC: Spanish National Research Council)H-Index: 42
view all 14 authors...
Integration of technological solutions aims to improve accuracy, precision and repeatability in farming operations, and biosensor devices are increasingly used for understanding basic biology during livestock production. The aim of this study was to design and validate a miniaturized tri-axial accelerometer for non-invasive monitoring of farmed fish with re-programmable schedule protocols. The current device (AE-FishBIT v.1s) is a small (14 x 7 x 7 mm), stand-alone system with a total mass of 60...
1 CitationsSource
#1Youssef Elamine (University of the Algarve)H-Index: 3
#2Pedro M. C. Inácio (University of the Algarve)H-Index: 3
Last.Henrique L. Gomes (University of the Algarve)H-Index: 20
view all 7 authors...
Abstract An impedance based electronic tongue was developed and used to discriminate honey of different botanic origin. The e-tongue presented here is based on the small-signal frequency response of the electrical double-layer established between the honey solution and an array of four different sensing units composed by gold, carbon, indium-tin-oxide, and doped silicon. The ability of the e-tongue to discriminate honey of different floral origins was demonstrated by distinguishing honey from Bu...
2 CitationsSource
#2Henrique L. Gomes (University of the Algarve)H-Index: 20
Last.Luiz Pereira (University of Aveiro)H-Index: 9
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Abstract Polycrystalline diamond (PCD) grown by chemical vapor deposition (CVD) is an intrinsic semiconductor particularly attractive for high power/high temperature devices. Nevertheless, the physical models for injection and transport of electrical carriers are remarkable complex and depend on the microstructure and composition of carbon species in the film. In this work, free-standing CVD PCD films were deposited by microwave plasma CVD (MPCVD) and were characterized by Raman spectroscopy. Go...
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#1Joao Reis (UC: University of Coimbra)H-Index: 3
#2Maria C. R. Medeiros (UC: University of Coimbra)H-Index: 9
Last.Henrique L. Gomes (University of the Algarve)H-Index: 20
view all 6 authors...
The transient electrical behavior of an electrode/electrolyte interface based on an electrode micro-structured with gold protruding mushroom shapes is measured and modeled. The application of a voltage pulse train with changing frequency generates a corresponding train of current pulses with an offset current that approaches a saturation limit exponentially. The transient behavior of the electrical current was accurately reproduced using the Nernst-Planck-Poisson model and the geometric paramete...
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#1Carme Martínez-Domingo (Autonomous University of Barcelona)H-Index: 7
#2Silvia Conti (CSIC: Spanish National Research Council)H-Index: 1
Last.Eloi Ramon (CSIC: Spanish National Research Council)H-Index: 10
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Abstract The fabrication of diodes by inkjet printing has been hampered by difficulties in printing low work function metals required to establish Schottky barriers with organic semiconductors. This limitation has been a major roadblock in the use of inkjet printing technology for the development of organic rectifying diodes. This paper presents the fabrication and characterization of a novel inkjet-printed metal- organic insulator- organic semiconductor diode on flexible plastic substrates. The...
4 CitationsSource
#1Sanaz Asgarifar (University of the Algarve)H-Index: 2
#2Pedro M. C. Inácio (University of the Algarve)H-Index: 3
Last.Henrique L. Gomes (University of the Algarve)H-Index: 20
view all 4 authors...
Conducting polymer electrodes based on poly(3,4-ethylenedioxythiophene doped with poly(styrenesulfonate) (PEDOT:PSS) are evaluated as transducers to record extracellular signals in cell populations. The performance of the polymer electrode is compared with a gold electrode. A small-signal impedance analysis shows that in the presence of an electrolyte, the polymer electrode establishes for frequencies below 100 Hz a higher capacitive electrical double layer at the electrode/electrolyte interface...
Source
#1Henrique L. GomesH-Index: 20
#2Dago M. de LeeuwH-Index: 1
Last.Stefan C. J. MeskersH-Index: 39
view all 3 authors...
#1Pritesh Gokhale (Chemnitz University of Technology)H-Index: 3
#2Dana Mitra (Chemnitz University of Technology)H-Index: 2
Last.Reinhard R. Baumann (Chemnitz University of Technology)H-Index: 18
view all 9 authors...
During the last years, intense pulsed light (IPL) processing has been employed and studied intensively for the drying and sintering of metal nanoparticle layers deposited by means of printing methods on flexible polymer substrates. IPL was found to be a very fast and substrate-gentle approach qualified for the field of flexible and large-area printed electronics, i.e. manufactured via roll-to-roll processing. In this contribution, IPL is used for the fine-patterning of printed silver nanoparticl...
3 CitationsSource
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