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Article dans une revue

Low impedance and highly transparent microelectrode arrays (MEA) for in vitro neuron electrical activity probing

Anna Susloparova, Sophie Halliez, Séverine Begard, Morvane Colin, Luc Buée, Sébastien Pecqueur, F. Alibart, V. Thomy, S. Arscott, Emiliano Pallecchi, Yannick Coffinier

In this study, we present the microfabrication and characterization of a transparent microelectrode array (MEA) system based on PEDOT:PSS for electrophysiology. The influence of the PEDOT:PSS electrode dimensions on the impedance was investigated and the stability over time under physiological…

Sensors and Actuators B: Chemical, 2021, 327, pp.128895. ⟨10.1016/j.snb.2020.128895⟩. ⟨hal-03094481⟩

Article dans une revue

Any neuron can perform linearly non-separable computations

Romain Cazé

Multiple studies have shown how dendrites enable some neurons to perform linearly non-separable computations. These works focus on cells with an extended dendritic arbor where voltage can vary independently, turning dendritic branches into local non-linear subunits. However, these studies leave a…

F1000Research, 2021, 10, pp.539. ⟨10.12688/f1000research.53961.1⟩. ⟨hal-03408395⟩

Communication dans un congrès

Experimental and theoretical study of group delay times and density of states in one-dimensional photonic circuit

S. Khattou, M. Amrani, A. Mouadili, E.H. El Boudouti, Abdelkrim Talbi, Abdellatif Akjouj, Bahram Djafari-Rouhani

We present a comparative study of density of states (DOS) and group delay times for a one-dimensional (1D) coaxial photonic crystal made of N cells attached horizontally along a waveguide. Using the interface response theory of continuous media, we derive exact analytical expressions relating the…

2nd International Conference on Electronic Engineering and Renewable Energy, ICEERE 2020, Apr 2020, Saidia, Morocco. pp.249-256, ⟨10.1007/978-981-15-6259-4_25⟩. ⟨hal-03362271⟩

Communication dans un congrès

Event-Driven Continuous-Time Feature Extraction for Ultra Low-Power Audio Keyword Spotting

S. Mourrane, Benoit Larras, A. Cathelin, Antoine Frappé

In the context of autonomous keyword spotting and sound detection, this paper proposes a low power feature extraction unit generating spectrograms that represent a unique signature allowing the classification of audio signals. This system is composed of a continuous-Time digital signal processing…

3rd IEEE International Conference on Artificial Intelligence Circuits and Systems, AICAS 2021, Jun 2021, Washington DC, DC, United States. pp.9458425, ⟨10.1109/AICAS51828.2021.9458425⟩. ⟨hal-03362267⟩

Article dans une revue

Experimental full wavefield reconstruction and band diagram analysis in a single-phase phononic plate with internal resonators

N. Kherraz, M. Radzieński, M. Mazzotti, P. Kudela, F. Bosia, A. S. Gliozzi, D. Misseroni, N. M. Pugno, W. Ostachowicz, M. Miniaci

Research on phononic crystal architectures has produced many interesting designs in the past years, with useful wave manipulation properties. However, not all of the proposed designs can lead to convenient realizations for practical applications, and only a limited number of them have actually been…

Journal of Sound and Vibration, 2021, 503, pp.116098. ⟨10.1016/j.jsv.2021.116098⟩. ⟨hal-03440709⟩

Article dans une revue

Per-COVID-19: A Benchmark Dataset for COVID-19 Percentage Estimation from CT-Scans

Fares Bougourzi, Cosimo Distante, Abdelkrim Ouafi, Fadi Dornaika, Abdenour Hadid, Abdelmalik Taleb-Ahmed

COVID-19 infection recognition is a very important step in the fight against the COVID-19 pandemic. In fact, many methods have been used to recognize COVID-19 infection including Reverse Transcription Polymerase Chain Reaction (RT-PCR), X-ray scan, and Computed Tomography scan (CT- scan). In…

Journal of Imaging, 2021, 7 (9), pp.189. ⟨10.3390/jimaging7090189⟩. ⟨hal-03429748⟩

Article dans une revue

Novel Optical Biosensor Based on a Nano-Gold Coated by Schiff Base Doped in Sol/Gel Matrix for Sensitive Screening of Oncomarker CA-125

M.N. Abou-Omar, M.S. Attia, H.G. Afify, M.A. Amin, Rabah Boukherroub, E.H. Mohamed

The urge for sensitive, facile, minimally invasive, and fast detection method of CA-125, a significant and crucial biomarker in ovarian malignancy, is currently substantial. This paper describes the detailed construction and characterization of a newly designed optical nano-biosensor to detect CA-…

ACS Omega, 2021, 6 (32), pp.20812-20821. ⟨10.1021/acsomega.1c01974⟩. ⟨hal-03546308⟩

Article dans une revue

Enhanced phonon-plasmon interaction in film-coupled dimer nanoridges mediated by surface acoustic waves

Adnane Noual, Rock Akiki, Gaëtan Lévêque, Yan Pennec, Bahram Djafari-Rouhani

The interaction between phonons and localized plasmons in coupled nanoparticles can be exploited both for modulating the scattered electromagnetic field and the understanding of the mechanical vibrations at nanoscale. In this paper, we demonstrate by numerical analysis an enhanced optomechanical…

Optics Express, 2021, 29 (26), pp.43104-43123. ⟨10.1364/OE.444430⟩. ⟨hal-03542167⟩

Article dans une revue

DNA aptamers block the receptor binding domain at the spike protein of SARS-CoV-2

Fabrizio Cleri, Marc Lensink, Ralf Blossey

DNA aptamers are versatile molecular species obtained by the folding of short single-stranded nucleotide sequences, with highly specific recognition capabilities against proteins. Here we test the ability of DNA aptamers to interact with the spike (S-)protein of the SARS-CoV-2 viral capsid. The S-…

Frontiers in Molecular Biosciences, 2021, 8, pp.713003. ⟨10.3389/fmolb.2021.713003⟩. ⟨hal-03348018⟩

Communication dans un congrès

High temperature gradient micro-sensors for skin-friction measurement in flow control applications

Cécile Ghouila-Houri, Manon Benedito, Eric Garnier, Abdelkrim Talbi, Aurélien Mazzamurro, Romain Viard, Alain Merlen, Philippe Pernod, Thomas Arnoult, Quentin Gallas

Robust micro machined high temperature gradient calorimetric (HTGC) transducers were designed and developed for flow separation control. Based on thermal principle, the transducers measure the amplitude and the sign of skin friction, making them particularly useful for flow separation detection. A…

2021 Symposium on Design, Test, Integration and Packaging of MEMS and MOEMS, DTIP 2021, Aug 2021, Paris, France. ⟨10.1109/DTIP54218.2021.9568681⟩. ⟨hal-03541940⟩