@article {227, title = {First-in-human demonstration of floating EMG sensors and stimulators wirelessly powered and operated by volume conduction}, journal = {Journal of NeuroEngineering and Rehabilitation}, volume = {21}, year = {2024}, pages = {4}, chapter = {4}, doi = {10.1186/s12984-023-01295-5}, url = {https://doi.org/10.1186/s12984-023-01295-5}, author = {Laura Becerra-Fajardo and Jesus Minguillon and Krob, Marc O. and Camila Rogrigues and Miguel Gonz{\'a}lez-S{\'a}nchez and {\'A}lvaro Meg{\'\i}a-Garc{\'\i}a and Redondo Gal{\'a}n, Carolina and Guiti{\'e}rrez Henares, Francisco and Albert Comerma and del Ama, Antonio J. and {\'A}ngel Gil-Agudo and Francisco Grandas and Andreas Schneider and Filipe O. Barroso and Antoni Ivorra} } @article {214, title = {Floating EMG Sensors and Stimulators Wirelessly Powered and Operated by Volume Conduction for Networked Neuroprosthetics}, journal = {Journal of NeuroEngineering and Rehabilitation}, volume = {19}, year = {2022}, pages = {57}, chapter = {57}, doi = {10.1186/s12984-022-01033-3}, url = {https://doi.org/10.1186/s12984-022-01033-3}, author = {Laura Becerra-Fajardo and Krob, Marc O. and Jesus Minguillon and Camila Rogrigues and Christine Welsch and Marc Tudela-Pi and Albert Comerma and Filipe O. Barroso and Andreas Schneider and Antoni Ivorra} } @conference {173, title = {First Steps Towards an Implantable Electromyography (EMG) Sensor Powered and Controlled by Galvanic Coupling}, booktitle = {World Congress on Medical Physics and Biomedical Engineering 2018. IFMBE Proceedings}, volume = {68/3}, year = {2018}, month = {2019}, pages = {19-22}, publisher = {Springer}, organization = {Springer}, address = {Prague, Czech Republic}, abstract = {

In the past it has been proposed to use implanted electromyography (EMG) sensors for myoelectric control. In contrast to surface systems, these implanted sensors provide signals with low cross-talk. To achieve this, miniature implantable devices that acquire and transmit real-time EMG signals are necessary. We have recently in vivo demonstrated electronic implants for electrical stimulation which can be safely powered and independently addressed by means of galvanic coupling. Since these implants lack bulky components as coils and batteries, we anticipate it will be possible to accomplish very thin implants to be massively deployed in tissues. We have also shown that these devices can have bidirectional communication. The aim of this work is to demonstrate a circuit architecture for embedding EMG sensing capabilities in our galvanically powered implants. The circuit was simulated using intramuscular EMG signals obtained from an analytical infinite volume conductor model that used a similar implant configuration. The simulations showed that the proposed analog front-end is compatible with the galvanic powering scheme and does not affect the implant{\textquoteright}s ability to perform electrical stimulation. The system has a bandwidth of 958 Hz, an amplification gain of 45 dB, and an output-referred noise of 160 {\textmu}Vrms. The proposed embedded EMG sensing capabilities will boost the use of these galvanically powered implants for diagnosis, and closed-loop control.

}, doi = {10.1007/978-981-10-9023-3_4}, author = {Laura Becerra-Fajardo and Antoni Ivorra} } @article {166, title = {Focused Transhepatic Electroporation Mediated by Hypersaline Infusion throuth the Portal Vein in Rat Model. Preliminary Results on Differential Conductivity}, journal = {Radiology and Oncology}, volume = {51}, year = {2017}, pages = {415-421}, chapter = {415}, author = {Clara Pa{\~n}ella and Q. Castellv{\'\i} and Xavier Moll and Rita Quesada and Alberto Villanueva and M. Iglesias and Dolores Naranjo and Patricia S{\'a}nchez-Vel{\'a}zquez and Andaluz, Anna and Luis Grande and Antoni Ivorra and Burd{\'\i}o, Fernando} } @article {Gonzalez-Sosa2014, title = {{Fast flow-through non-thermal pasteurization using constant radiofrequency electric fields}}, journal = {Innovative Food Science and Emerging Technologies}, volume = {22}, year = {2014}, pages = {pp.116-123}, chapter = {116}, doi = {DOI: 10.1016/j.ifset.2014.01.003}, author = {J. Gonz{\'a}lez-Sosa and A. Ruiz-Vargas and G. Arias and Antoni Ivorra} } @conference {190, title = {Flexible Thread-like Electrical Stimulation Implants Based on Rectification of Epidermically Applied Currents which Perform Charge Balance}, booktitle = {2nd International Conference on NeuroRehabilitation (ICNR2014), Aalborg, 24-26 June, 2014}, year = {2014}, pages = {447-455}, publisher = {Springer}, organization = {Springer}, address = {Aalborg, Denmark}, isbn = {978-3-319-08072-7}, doi = {10.1007/978-3-319-08072-7_67}, author = {Antoni Ivorra and Laura Becerra-Fajardo} } @conference {Gonzalez-Sosa2013, title = {{Fast flow-through non-thermal pasteurization using constant radiofrequency electric fields}}, booktitle = {Tenth International Bioelectrics Symposium (BIOELECTRICS 2013)}, year = {2013}, address = {Karlsruhe, Germany}, abstract = {

Pulsed Electric Field technologies have captured the attention of researchers on food pasteurization because of their non-thermal inactivation mechanism, which results in fresh-like products. Nevertheless, high voltage pulsing required by these technologies implies complex and costly generators. Here, as an alternative, it is proposed a method, partially inherited from research on cell electroporation for gene transfection, in which the liquid to be treated flows at high speed through a miniature chamber where the electric field is permanently applied. In particular, it is proposed that the constantly applied electric field consists of an AC signal (\> 100 kHz) so that electrochemical by-products are minimized. The method, while being compatible with batch processing, will allow use of lower voltages and will avoid the pulsation requirement.\ 

}, author = {J. Gonz{\'a}lez-Sosa and A. Ruiz-Vargas and G. Arias and Q. Castellv{\'\i} and Antoni Ivorra} }