Zobrazeno 1 - 10
of 23
pro vyhledávání: '"Fernando Cardes"'
Autor:
Matteo Cartiglia, Filippo Costa, Shyam Narayanan, Cat-Vu H. Bui, Hasan Ulusan, Nicoletta Risi, Germain Haessig, Andreas Hierlemann, Fernando Cardes, Giacomo Indiveri
Publikováno v:
Nature Communications, Vol 15, Iss 1, Pp 1-11 (2024)
Abstract Bio-signal sensing is pivotal in medical bioelectronics. Traditional methods focus on high sampling rates, leading to large amounts of irrelevant data and high energy consumption. We introduce a self-clocked microelectrode array (MEA) that d
Externí odkaz:
https://doaj.org/article/1ad3838b8fdb485498ea111b77534460
Publikováno v:
Advanced Science, Vol 10, Iss 11, Pp n/a-n/a (2023)
Abstract Blood‐brain‐barrier (BBB) disruption has been associated with a variety of central‐nervous‐system diseases. In vitro BBB models enable to investigate how the barrier reacts to external injury events, commonly referred to as insults.
Externí odkaz:
https://doaj.org/article/a15cbfeb83e74dd3aef797b2c110f5b1
Publikováno v:
BME Frontiers, Vol 2022 (2022)
Due to their label-free and noninvasive nature, impedance measurements have attracted increasing interest in biological research. Advances in microfabrication and integrated-circuit technology have opened a route to using large-scale microelectrode a
Externí odkaz:
https://doaj.org/article/6f790d8fb588490da3def2d1d3c4df81
Autor:
Nassim Rousset, Christian Lohasz, Julia Alicia Boos, Patrick M. Misun, Fernando Cardes, Andreas Hierlemann
Publikováno v:
Micromachines, Vol 13, Iss 7, p 1124 (2022)
Microfluidic-drop networks consist of several stable drops—interconnected through microfluidic channels—in which organ models can be cultured long-term. Drop networks feature a versatile configuration and an air–liquid interface (ALI). This ALI
Externí odkaz:
https://doaj.org/article/9eca8713baf94edbb92cef4c05ec0001
Publikováno v:
Sensors, Vol 21, Iss 19, p 6456 (2021)
This article reports on a compact and low-power CMOS readout circuit for bioelectrical signals based on a second-order delta-sigma modulator. The converter uses a voltage-controlled, oscillator-based quantizer, achieving second-order noise shaping wi
Externí odkaz:
https://doaj.org/article/2fc477a565d442ec9678cfeb02d1c095
Autor:
Andres Quintero, Fernando Cardes, Carlos Perez, Cesare Buffa, Andreas Wiesbauer, Luis Hernandez
Publikováno v:
Sensors, Vol 19, Iss 19, p 4126 (2019)
Microelectromechanical systems (MEMS) microphone sensors have significantly improved in the past years, while the readout electronic is mainly implemented using switched-capacitor technology. The development of new battery powered “always-on” app
Externí odkaz:
https://doaj.org/article/66351fa5c62c487e8b36ecc3807f3c8f
Autor:
Fernando Cardes, Andres Quintero, Eric Gutierrez, Cesare Buffa, Andreas Wiesbauer, Luis Hernandez
Publikováno v:
Sensors, Vol 18, Iss 2, p 445 (2018)
This paper analyzes the influence of phase noise and distortion on the performance of oscillator-based sensor data acquisition systems. Circuit noise inherent to the oscillator circuit manifests as phase noise and limits the SNR. Moreover, oscillator
Externí odkaz:
https://doaj.org/article/6d14c8788d824e26912291c37de01142
Publikováno v:
IEEE Transactions on Biomedical Circuits and Systems, 17 (3)
CMOS neural interfaces are aimed at studying the electrical activity of neurons and may help to restore lost functions of the nervous system in the future. The central function of most neural interfaces is the detection of extracellular electrical po
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::65cbf91e57751b9dc2f374aff52d0aae
https://hdl.handle.net/20.500.11850/622190
https://hdl.handle.net/20.500.11850/622190
The blood-brain-barrier (BBB) prevents that harmful substances in the blood enter the brain, and barrier disruption has been associated with a variety of central-nervous-system diseases. In vitro BBB models enable to recapitulate the BBB behavior in
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f2ecafd325b14b56bc0f0c42ba6cde65
https://doi.org/10.1101/2022.09.12.507522
https://doi.org/10.1101/2022.09.12.507522
Autor:
Cesare Buffa, C. Perez, Luis Hernandez, Fernando Cardes, Dietmar Straeussnigg, Andres Quintero, Andreas Wiesbauer
Publikováno v:
IEEE Solid-State Circuits Letters. 3:29-32
This letter presents a mostly digital analog-to-digital converter implemented with voltage-controlled oscillators that can directly interface a capacitive MEMS microphone. The ADC is based on two ring oscillators and a coarse-fine counting circuitry.