Conference Papers and Posters

2023

TitelAuthorsConferenceLocation
Design and fabrication of novel developed ophthalmological surgery implantation instrument 3D-PLAPS for large-area devices examined in cadaveric eyes of pigs and rabbitsFrederic Kuba Balcewicz, Sabine Baumgarten, Kim Schaffrath, Sandra Johnen, Peter Walter, Tibor Karl LohmannARVO Annual Meeting 2023New Orleans, USA
Activation of GABAA receptors but not GABAB receptors abolishes the pathological oscillations and improve stimulation efficiency in retinitis pigmentosa mouse model rd10Nruthyathi, Jana Gehlen, Frank MüllerPro retinal meeting 2023Postdam, Germany
Improving the implantation of retinal implants into small animal eye - 3D models in virtual reality and ablation of insertion sitesWang, Jiayun; Baumgarten, Sabine; Walter, PeterARVO Annual Meeting 2023New Orleans, USA
Anatomical and cell biological analyses of wild-type and rd10 retinas after electroporation-based transfectionJiao Zhang, Frank Müller, Peter Walter, Sandra JohnenARVO Annual Meeting 2023New Orleans, USA
Non-viral transfection of glial cells in suspension and in the adherent state using different electroporation devicesSaishreyas Iyer, Sven Ingebrandt, Peter Walter, Sandra JohnenARVO Annual Meeting 2023New Orleans, USA
From 2D to 3D flexible intraretinal implants: towards a new generation of visual prosthesesViviana Rincón Montes, Marie Jung, Jamal Abu Shihada, Lina Koschinski, Tibor Lohmann, Frederic K. Balcewicz, Sven Ingebrandt, Frank Müller, Peter Walter, and Andreas OffenhäusserMRS Spring Meeting & Exhibit 2023San Francisco, USA
A 1,224-Channel 60 µm Pitch Active Closed-Loop Stimulator for Selective Retinal Ganglion Cell Type ActivationPhilipp Löhler, Andreas Pickhinke, Andreas Erbslöh, Karsten Seidl21st IEEE Interregional NEWCAS Conference 2023Edinburgh, Scottland
Toward in vivo applications of 3D multisite intraretinal implants:  A cadaveric validationMarie Jung, Lina Koschinski, Jamal Abu Shihada, Tibor Lohmann, Frederic Balcewiczc, Peter Walter,  Andreas Offenhäusser, and Viviana Rincon MontesBioEl (International Winterschool on Bioelectronics) 2023Kirchberg in Tirol, Austria

Artificial Vision

 

Walter P, Müller F, Ingebrandt S, Seidl K35th Annual Meeting of the German Retina Society 2023Würzburg, Germany
Effective Control of RGC Spiking by Activation and Suppression Through Sinusoidal Kilohertz Stimulation WaveformsPhilipp Löhler, Laura Heyermann, Nruthyathi, Andreas Albert, Andreas Erbslöh, Frank Müller, Karsten SeidlThe Eye and the Chip - 13th World Research Congress on Artificial Vision 2023Southfield, MI, USA
Ergebnisse aus Kadaveraugen-Experimenten mit dem neu entwickelten ophthalmologisch-chirurgischen Instrument 3D-PLAPS zur Implantation großer NetzhautstimulatorenFrederic Kuba Balcewicz, Sabine Baumgarten, Kim Schaffrath, Jiayun Wang, Sandra Johnen, Peter Walter, Tibor Karl LohmannDOG 2023Berlin, Germany
A Deep Learning-based in silico Framework for Optimization on Retinal Prosthetic StimulationYuli Wu, Ivan Karetic, Johannes Stegmaier, Peter Walter, Dorit MerhofAnnual International Conference of the IEEE Engineering in Medicine and Biology Society (EMBC) 2023Sydney
Electroporation-based transfection of rd10 and wild-type retinasJiao Zhang, Frank Müller, Peter Walter, Sandra JohnenDOG 2023Berlin
Electroporation-based transfection of rd10 and wild-type retinas: anatomical and cell biology studiesJiao Zhang, Frank Müller, Peter Walter, Sandra JohnenArtificial Vision 2023Duisburg
Differences in the non-viral electroporation-based transfection of glial cells in suspension or adherent stateSaishreyas Iyer, Peter Walter, Sven Ingebrandt, Sandra JohnenArtificial Vision 2023Duisburg
Electroporation-based non-viral genetic modification of glial cells in suspension or adherent stateSaishreyas Iyer, Sven Ingebrandt, Peter Walter, Sandra Johnen DOG 2023Berlin
Results from cadaveric eye experiments using the newly developed 3D-PLAPS ophthalmic surgical instrument for implantation of large retinal stimulatorsFrederic Kuba Balcewicz, Sabine Baumgarten, Kim Schaffrath, Jiayun Wang, Sandra Johnen, Peter Walter, Tibor Karl LohmannArtificial Vision 2023Duisburg, Germany
Impedance Analysis of Cells to verify successful Gene ElectrotransferRoman Opgenorth, Josef Bolten, Sandra Johnen and Sven IngebrandtIBCA 2023Aachen
Transparent microfluidic MEAs with organic electronic ion pumps for in vitro studies of the pathological retinaRoman Deubel, Lena Hegel, Andrea Kauth, Eashika Ghosh, Vivek Pachauri, Xuan Thang Vu, Sandra Johnen, Sven IngebrandtMikrosystemtechnik Kongress 2023Dresden
Pharmacological suppression of pathological oscillations in the retinitis pigmentosa mouse model rd10Nruthyathi, Jana Gehlen, Sandra Johnen, Peter Walter, Frank MüllerArtificial Vision Meeting 2023Duisburg
Low-cost alternative to commercial ECIS devicesA. Kauth, L. Cüppers, J. Reichard, G. Zimmer-Bensch, S. IngebrandtIBCA 2023Aachen
PEDOT:PSS coating for improved electric cell-substrate impedance sensing assaysA. Kauth, J. Reichard, G. Zimmer-Bensch, S. IngebrandtBMT2023Duisburg
Convolutional Neural Network-based Inverse Encoder for Optimization of Retinal Prosthetic StimulationYuli Wu, Laura Koch, Peter Walter, Dorit MerhofArtificial Vision at BMT 2023Duisburg
Multi-modal evaluation of neuronal integrity in the visual pathway after retinal  degeneration in RCS ratsJing Wang, Krause Sandra, Antje WilluweitArtifical Vision at BMT 2023Duisburg
Multi-modal evaluation of neuronal integrity in the visual pathway after retinal degeneration in RCS ratsJing Wang, Sandra Krause, Antje Willuweit et al.EMIM (European Molecular Imaging Meeting) 2023Salzburg
Silicon-nitride photonic integrated circuit-based microelectrode array for in-vitro characterization of retina with high resolution optical stimulationP. Hosseini, P. Agrawal, S. Johnen, J. Witzens, F. MergetArtificial Vision 2023Duisburg
Retinal OCT Synthesis with Denoising Diffusion Probabilistic Models for Layer SegmentationYuli Wu, Weidong He, Dennis Eschweiler, Ningxin Dou, Zixin Fan, Shengli Mi, Peter Walter, Johannes StegmaierIEEE 21st International Symposium on Biomedical Imaging (ISBI) 2024Athens
Focusing Optical Phased Array for Optically Enabled Probing of the Retina with Subcellular ResolutionPedram Hosseini, Prachi Agrawal, Alireza Tabatabaei Mashayekh, Sandra Johnen, Jeremy Witzens, and Florian MergetEuropean Conference On Integrated Optics (ECIO) 2024Aachen

 

 

2022

TitelAuthorsConferenceLocation
Surgical anatomy of the small animal eye - 3D reconstruction and ablation effectWang J, Baumgarten S, Walter, PARVO 2022Denver, CO, USA
Neue Ansätze der NetzhautstimulationPeter WalterJahrestagung der Rheinisch-Westfälischen Augenärzte 2022Bielefeld, Germany
Innovative Technologien für optimiertes künstliches SehenPeter WalterJahrestagung der Deutschen Gesellschaft für Hals-Nasen-Ohrenheilkunde, Kopf- und Halschirurgie 2022Hannover, Germany
SoC for Retinal Ganglion Cell Stimulation with Integrated Sinusoidal Kilohertz Frequency Waveform GenerationPhilipp Löhler, Andreas Pickhinke, Andreas Erbslöh, Rainer Kokozinski, Karsten SeidlIEEE PRIME 2022Villasimus, Sardinia, Italy
Real-time Algorithm for Target-RGC Selection in Retinal ImplantsPhilipp Löhler, Thaameran Baskaran, Andreas Pickhinke, Andreas Erbslöh, Karsten SeidlIEEE EMBC 2022Glasgow, Scotland
Towards a new generation of visual prosthesesV. Rincón Montes, J. Gehlen, M.Jung, L.Koschinski, W. Mokwa, S. Ingebrandt, F. Müller2, P. Walter,  A. OffenhäusserGRS + GRC on Neuroelectronic Interfaces 2022Ventura, USA

Reconstruction of the surgical anatomy of eyes of experimental animals

 

Peter Walter, Jiayun Wang, Sabine BaumgartenMeeting of the Club Jules Gonin 2022Dubrovnik, Croatia
Das NetzhautimplantatPeter WalterDeutsche Gesellschaft für Schädelbasischirurgie 2022Fulda, Germany
Verbesserung der Insertion und Implantation großer Mikrosysteme ins Kleintierauge mit 3D-Modellen und AblationWang J., Walter P., Baumgarten S.Jahrestagung der Deutschen Ophthalmologischen Gesellschaft 2022USA, Berlin, Deutschland
Optimizing electrical pulse parameters for electrofection on microelectrode arraysAndrea Kauth, Lena Hegel, Sven IngebrandtENFI 2022Maastricht, Netherlands
Analyzing MEA-chip designs for electroporation-based genetic modification in novel retinal implantsAndrea Kauth, Lena Hegel, Sandra Johnen, Sven IngebrandtMEA Meeting 2022Tübingen, Germany
EIS measurements as powerful tool for design and evaluation of in situ electroporation of cultivated cells on MEAsAndrea Kauth, Lena Hegel, Marcel Tintelott, Sven IngebrandtBMT 2022Innsbruck, Austria
Microelectrode array-based electroporation for use in multifunctional retinal implantsAndrea Kauth, Anne-Kathrin Mildner, Sandra Johnen, Joachim Wegener, Sven Ingebrandt4th World congress on electroporation 2022Copenhagen, Denmark
Multiscale Softmax Cross Entropy for Fovea Localization on Color Fundus PhotographyWu, Y., Walter, P., Merhof, D.Bildverarbeitung für die Medizin 2022Heidelberg, Germany
Enhancing the activity of GABAA receptors but not GABAB receptors abolishes pathological oscillations in retinitis pigmentosa mouse model rd10Nruthyathi, Jana Gehlen, Frank MüllerMEA meeting 2022Tubingen, Germany
Multi-modal evaluation of neuronal integrity in the visual pathway after retinal degenerationJing Wang, Sandra Krause , Michael Schöneck, Markus Cremer, Thomas Rüland, Ezequiel Fahrer, Chang-Hoon Choi, Fabian Küppers, Dennis Thomas, Christoph Aretzweiler-von Schwarzenberg, N. Jon Shah, Karl-Josef Langen, Björn Kampa,Frank Müller , Antje WilluweitINM IBI Retreat 2022Jülich, Germany

2021

TitelAuthorsConferenceLocation
Compact system for stimulation, recording and electroporation of cul-tivated cells on MEAs as an in-vitro test setup towards multifunctional retinal implantsAndrea Kauth, Benedikt Maurer, Daniela Brocke, Sandra Johnen, Sven IngebrandtBMT 2021Hannover, Germany