People

Christian Bergaud

Christian Bergaud

Research team

MEMS : Microelectromechanical systems

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Latest publications

2023

Journal articles

Kornél Kistamás, Anna Müller, Suchitra Muenthaisong, Federica Lamberto, Melinda Zana, et al.. Multifactorial approaches to enhance maturation of human iPSC-derived cardiomyocytes. Journal of Molecular Liquids, 2023, 387, pp.122668. ⟨10.1016/j.molliq.2023.122668⟩. ⟨hal-04308454⟩

Antoine Amestoy, Aarushee Rangra, Vincent Mansard, Marie-Hélène Delville, Fabrice Severac, et al.. Highly stable low-strain flexible sensors based on gold nanoparticles/silica nanohelices. ACS Applied Materials & Interfaces, 2023, 15 (33), pp.39480-39493. ⟨10.1021/acsami.3c05852⟩. ⟨hal-04187756⟩

2022

Journal articles

Clement Cointe, Adrian Laborde, Lionel Nowak, Dina N Arvanitis, David Bourrier, et al.. Scalable Batch Fabrication of Ultrathin Flexible Neural Probes using Bioresorbable Silk Layer. Microsystems & Nanoengineering, 2022, 8, pp.21. ⟨10.1038/s41378-022-00353-7⟩. ⟨hal-03456630⟩

A. Calvel, E. Barbeau, J.C. Sol, J.A. Lotterie, K. Guines, et al.. HP26: Electrophysiological properties of electrical brain stimulations and their impact on neuronal activity during stereoelectroencephalography in epilepsy. Clinical Neurophysiology, 2022, 135, pp.e7. ⟨10.1016/j.clinph.2021.11.028⟩. ⟨hal-03865318⟩

Conference papers

Clement Cointe, Asma Eddarir, Dina Arvanitis, Christian Bergaud, Ali Maziz. A Top-Down Fabrication Approach For Delivering Implantable and Ultrathin Flexible Brain Probes. IEEE 35th International Conference on Micro Electro Mechanical Systems Conference (MEMS 2022), Jan 2022, Tokyo, Japan. pp.420-423, ⟨10.1109/MEMS51670.2022.9699601⟩. ⟨hal-03865296⟩

Venkata Suresh Vajrala, Asma Eddarir, Sophie Pautot, Christian Bergaud, Ali Maziz. Flexible and Hollow Micro Ring Electrode Arrays for Multi-Directional Monitoring of 3D Neuronal Networks. 2022 MRS Spring Meeting & exhibit, May 2022, Honololu, Hawaii, United States. ⟨hal-04163332⟩

2021

Journal articles

Venkata Suresh Vajrala, Valentin Saunier, Lionel Nowak, Emmanuel Flahaut, Christian Bergaud, et al.. Carbon Nanofiber/PEDOT Based Macro-Porous Composite for High Performance Multifunctional Neural Microelectrode. ECS Transactions, 2021, 104 (2), pp.3-5. ⟨10.1149/10402.0003ecst⟩. ⟨hal-03456618⟩

Valentina Castagnola, Elisa Castagnola, Christian Bergaud, Davide Ricci. Editorial: Short-Term Versus Long-Term Challenges in Functional Biomaterials Interfacing Living Systems: Two Sides of the Coin. Frontiers in Bioengineering and Biotechnology, 2021, 9, pp.723451. ⟨10.3389/fbioe.2021.723451⟩. ⟨hal-03618183⟩

Venkata Suresh Vajrala, Valentin Saunier, Lionel G Nowak, Emmanuel Flahaut, Christian Bergaud, et al.. Nanofibrous PEDOT-Carbon Composite on Flexible Probes for Soft Neural Interfacing. Frontiers in Bioengineering and Biotechnology, 2021, 9, pp.780197. ⟨10.3389/fbioe.2021.780197⟩. ⟨hal-03427406⟩

Ali Maziz, Erdoğan Özgür, Christian Bergaud, Lokman Uzun. Progress in conducting polymers for biointerfacing and biorecognition applications. Sensors and Actuators Reports, 2021, 3, pp.100035. ⟨10.1016/j.snr.2021.100035⟩. ⟨hal-03456623⟩

Conference papers

Venkata Suresh Vajrala, Valentin Saunier, Lionel Nowak, Emmanuel Flahaut, Christian Bergaud, et al.. Carbon Nanofiber/PEDOT Based Macro-porous Composite For High Performance Multifunctional Neural Microelectrode. 240th ElectroChemical Society Meeting, Oct 2021, Orlando, United States. ⟨hal-03445109⟩

2020

Journal articles

Valentin Saunier, Emmanuel Flahaut, Marie-Charline Blatché, Christian Bergaud, Ali Maziz. Carbon nanofiber-PEDOT composite films as novel microelectrode for neural interfaces and biosensing. Biosensors and Bioelectronics, 2020, 165, pp.112413. ⟨10.1016/j.bios.2020.112413⟩. ⟨hal-03022944⟩

Valentin Saunier, Emmanuel Flahaut, Marie-Charline Blatché, Christian Bergaud, Ali Maziz. Microelectrodes from PEDOT-carbon nanofiber composite for high performance neural recording, stimulation and neurochemical sensing. MethodsX, 2020, 7, pp.101106. ⟨10.1016/j.mex.2020.101106⟩. ⟨hal-03003023⟩

Elodie Despouy, Jonathan Curot, Leila Reddy, Lionel G Nowak, Martin Deudon, et al.. Recording local field potential and neuronal activity with tetrodes in epileptic patients. Journal of Neuroscience Methods, 2020, 341, pp.108759. ⟨10.1016/j.jneumeth.2020.108759⟩. ⟨hal-03001304⟩

Karl Ridier, Alin-Ciprian Bas, Yuteng Zhang, Lucie Routaboul, Lionel Salmon, et al.. Unprecedented switching endurance affords for high-resolution surface temperature mapping using a spin-crossover film. Nature Communications, 2020, 11 (1), pp.3611. ⟨10.1038/s41467-020-17362-7⟩. ⟨hal-02948898⟩

Karl Ridier, Yuteng Zhang, Mario Piedrahita-Bello, Carlos M. Quintero, Lionel Salmon, et al.. Heat Capacity and Thermal Damping Properties of Spin‐Crossover Molecules: A New Look at an Old Topic. Advanced Materials, 2020, 32 (21), pp.2000987. ⟨10.1002/adma.202000987⟩. ⟨hal-02570846⟩

2018

Journal articles

Ali Maziz, Olivier Leprette, Louisa Boyer, Marie-Charline Blatché, Christian Bergaud. Tuning the properties of silk fibroin biomaterial via chemical cross-linking. Biomedical Physics & Engineering Express, 2018, 4 (6), pp.065012. ⟨10.1088/2057-1976/aae3b2⟩. ⟨hal-01974627⟩

Aziliz Lecomte, Emeline Descamps, Christian Bergaud. A review on mechanical considerations for chronically-implanted neural probes. Journal of Neural Engineering, 2018, 15 (3), pp.031001. ⟨10.1088/1741-2552/aa8b4f⟩. ⟨hal-01764292⟩

2017

Journal articles

Aiva Simaite, Aude Delagarde, Bertrand Tondu, Philippe Souères, Emmanuel Flahaut, et al.. Spray-coated carbon nanotube carpets for creeping reduction of conducting polymer based artificial muscles. Nanotechnology, 2017, 28 (2), pp.025502. ⟨10.1088/0957-4484/28/2/025502⟩. ⟨hal-01413022⟩

Aziliz Lecomte, Aurélie Lecestre, David Bourrier, Marie-Charline Blatché, Laurent Jalabert, et al.. Deep plasma etching of Parylene C patterns for biomedical applications. Microelectronic Engineering, 2017, 177, pp.70 - 73. ⟨10.1016/j.mee.2017.02.012⟩. ⟨hal-01528381⟩

Aziliz Lecomte, Amélie Degache, Emeline Descamps, Lionel Dahan, Christian Bergaud. In vitro and in vivo biostability assessment of chronically-implanted Parylene C neural sensors. Sensors and Actuators B: Chemical, 2017, 251, pp.PP.1001-1008. ⟨10.1016/j.snb.2017.05.057⟩. ⟨hal-01528604⟩

Sabrina Habtoun, Saïd Houmadi, Benjamin Reig, Emilie Pouget, Dmytro Dedovets, et al.. Structural and mechanical characterization of hybrid metallic-inorganic nanosprings. Materials Research Express, 2017, 4 (10), ⟨10.1088/2053-1591/aa8e1a⟩. ⟨hal-01651965⟩

Book sections

Ali Maziz, Aiva Simaite, Christian Bergaud. Ionic Electrochemical Actuators. Polymerized Ionic Liquids, Royal Society of Chemistry, Royal Society of Chemistry, pp.456-488, 2017, 978-1-78262-960-3. ⟨hal-01976995⟩

Conference papers

Cécile Fuinel, Fabrice Mathieu, Adrian Laborde, Laurent Mazenq, Christian Bergaud, et al.. High-K thin films for simultaneous dielectric actuation and detection of M/NEMS flexural vibration. 19th International Conference on Solid-State Sensors, Actuators and Microsystems TRANSDUCERS 17, Jun 2017, Kaohsiung, Taiwan. ⟨10.1109/TRANSDUCERS.2017.7994155⟩. ⟨hal-01962426⟩

2016

Journal articles

Aziliz Lecomte, Amélie Degache, Emeline Descamps, Lionel Dahan, Christian Bergaud. Biostability Assessment of Flexible Parylene C-based Implantable Sensor in Wireless Chronic Neural Recording. Procedia Engineering, 2016, 168, pp.189-192. ⟨10.1016/j.proeng.2016.11.214⟩. ⟨hal-01764286⟩

Olena Kraieva, Carlos M. Quintero, Iurii Suleimanov, Edna M Hernandez, Denis Lagrange, et al.. High Spatial Resolution Imaging of Transient Thermal Events Using Materials with Thermal Memory. Small, 2016, 12 (46), pp.6325-6331. ⟨10.1002/smll.201601766⟩. ⟨hal-01413097⟩

Christian Bergaud, Aiva Simaite, Fabien Mesnilgrente, Bertrand Tondu, Philippe Souères. Towards inkjet printable conducting polymer artificial muscles. Sensors and Actuators B: Chemical, 2016, 229, pp.425 - 433. ⟨10.1016/j.snb.2016.01.142⟩. ⟨hal-01764287⟩

Conference papers

Aurélie Lecestre, Aziliz Lecomte, David Bourrier, Pascal Dubreuil, Emeline Descamps, et al.. Plasma etching of thick Parylene C for fabrication of biocompatible electrodes . 9th Workshop on Plasma Etch and Strip in Microtechnology (PESM2016), May 2016, Grenoble, France. ⟨hal-01326492⟩

Aziliz Lecomte, Aurélie Lecestre, David Bourrier, Marie-Charline Blatché, Emeline Descamps, et al.. Deep plasma etching of Parylene C patterns for biomedical applications. MNE 2016, Sep 2016, Toulouse, France. ⟨hal-01415391⟩

Bertrand Tondu, Aiva Simaite, Philippe Souères, Christian Bergaud. First-Order Based Non-Linear Open-Loop Identification of a Ionic Polymer Bending Actuator and Derived Linear PI closed-loop Control. CIMTEC 2016, Jun 2016, Perugia, Italy. ⟨hal-02004975⟩

2015

Journal articles

Aziliz Lecomte, Valentina Castagnola, Emeline Descamps, Lionel Dahan, Marie-Charline Blatché, et al.. Silk and PEG as means to stiffen a parylene probe for insertion in the brain: toward a double time-scale tool for local drug delivery. Journal of Micromechanics and Microengineering, 2015, 25 (12), pp.125003. ⟨10.1088/0960-1317/25/12/125003⟩. ⟨hal-01764281⟩

Carlos M. Quintero, Olena Kraieva, Franck Carcenac, Denis Lagrange, Nina Yaremchuk, et al.. Joule heated metallic microwire devices for sub-microsecond T-jump experiments. Microelectronics Journal, 2015, 46 (12), pp.1167 - 1174. ⟨10.1016/j.mejo.2015.06.024⟩. ⟨hal-01764284⟩

Aiva Simaite, Bertrand Tondu, Philippe Souères, Christian Bergaud. Hybrid PVDF/PVDF- graft -PEGMA Membranes for Improved Interface Strength and Lifetime of PEDOT:PSS/PVDF/Ionic Liquid Actuators. ACS Applied Materials & Interfaces, 2015, 7 (36), pp.19966 - 19977. ⟨10.1021/acsami.5b04578⟩. ⟨hal-01764254⟩

Valentina Castagnola, Emeline Descamps, Aurélie Lecestre, Lionel Dahan, Jessica Remaud, et al.. Parylene-based flexible neural probes with PEDOT coated surface for brain stimulation and recording. Biosensors and Bioelectronics, 2015, 67, pp.450 - 457. ⟨10.1016/j.bios.2014.09.004⟩. ⟨hal-01764256⟩

Conference papers

Christian Bergaud, Aiva Simaite, Bertrand Tondu, Fabrice Mathieu, Philippe Souères. Simple casting based fabrication of PEDOT:PSS-PVDF-ionic liquid soft actuators. SPIE Smart Structures and Materials + Nondestructive Evaluation and Health Monitoring, Mar 2015, San Diego, United States. ⟨10.1117/12.2083936⟩. ⟨hal-01764277⟩

2014

Journal articles

Edna Hernandez, Carlos M. Quintero, Olena Kraieva, Christophe Thibault, Christian Bergaud, et al.. AFM Imaging of Molecular Spin-State Changes through Quantitative Thermomechanical Measurements. Advanced Materials, 2014, 26 (18), pp.2889 - 2893. ⟨10.1002/adma.201305539⟩. ⟨hal-01767600⟩

Valentina Castagnola, Chloé Bayon, Emeline Descamps, Christian Bergaud. Morphology and conductivity of PEDOT layers produced by different electrochemical routes. Synthetic Metals, 2014, 189, pp.7 - 16. ⟨10.1016/j.synthmet.2013.12.013⟩. ⟨hal-01764267⟩