Conference Papers and Posters

2023

Titel

Authors

Conference

Location

Design and fabrication of novel developed ophthalmological surgery implantation instrument 3D-PLAPS for large-area devices examined in cadaveric eyes of pigs and rabbits

Frederic Kuba Balcewicz, Sabine Baumgarten, Kim Schaffrath, Sandra Johnen, Peter Walter, Tibor Karl Lohmann

ARVO Annual Meeting 2023

New Orleans, USA

Activation of GABAA receptors but not GABAB receptors abolishes the pathological oscillations and improve stimulation efficiency in retinitis pigmentosa mouse model rd10

Nruthyathi, Jana Gehlen, Frank Müller

Pro retinal meeting 2023

Postdam, Germany

Improving the implantation of retinal implants into small animal eye - 3D models in virtual reality and ablation of insertion sites

Wang, Jiayun; Baumgarten, Sabine; Walter, Peter

ARVO Annual Meeting 2023

New Orleans, USA

Anatomical and cell biological analyses of wild-type and rd10 retinas after electroporation-based transfection

Jiao Zhang, Frank Müller, Peter Walter, Sandra Johnen

ARVO Annual Meeting 2023

New Orleans, USA

Non-viral transfection of glial cells in suspension and in the adherent state using different electroporation devices

Saishreyas Iyer, Sven Ingebrandt, Peter Walter, Sandra Johnen

ARVO Annual Meeting 2023

New Orleans, USA

From 2D to 3D flexible intraretinal implants: towards a new generation of visual prostheses

Viviana Rincón Montes, Marie Jung, Jamal Abu Shihada, Lina Koschinski, Tibor Lohmann, Frederic K. Balcewicz, Sven Ingebrandt, Frank Müller, Peter Walter, and Andreas Offenhäusser

MRS Spring Meeting & Exhibit 2023

San Francisco, USA

A 1,224-Channel 60 µm Pitch Active Closed-Loop Stimulator for Selective Retinal Ganglion Cell Type Activation

Philipp Löhler, Andreas Pickhinke, Andreas Erbslöh, Karsten Seidl

21st IEEE Interregional NEWCAS Conference 2023

Edinburgh, Scottland

Toward in vivo applications of 3D multisite intraretinal implants:  A cadaveric validation

Marie Jung, Lina Koschinski, Jamal Abu Shihada, Tibor Lohmann, Frederic Balcewiczc, Peter Walter,  Andreas Offenhäusser, and Viviana Rincon Montes

BioEl (International Winterschool on Bioelectronics) 2023

Kirchberg in Tirol, Austria

Artificial Vision

 

Walter P, Müller F, Ingebrandt S, Seidl K

35th Annual Meeting of the German Retina Society 2023

Würzburg, Germany

Effective Control of RGC Spiking by Activation and Suppression Through Sinusoidal Kilohertz Stimulation Waveforms

Philipp Löhler, Laura Heyermann, Nruthyathi, Andreas Albert, Andreas Erbslöh, Frank Müller, Karsten Seidl

The Eye and the Chip - 13th World Research Congress on Artificial Vision 2023

Southfield, MI, USA

Ergebnisse aus Kadaveraugen-Experimenten mit dem neu entwickelten ophthalmologisch-chirurgischen Instrument 3D-PLAPS zur Implantation großer Netzhautstimulatoren

Frederic Kuba Balcewicz, Sabine Baumgarten, Kim Schaffrath, Jiayun Wang, Sandra Johnen, Peter Walter, Tibor Karl Lohmann

DOG 2023

Berlin, Germany

A Deep Learning-based in silico Framework for Optimization on Retinal Prosthetic Stimulation

Yuli Wu, Ivan Karetic, Johannes Stegmaier, Peter Walter, Dorit Merhof

Annual International Conference of the IEEE Engineering in Medicine and Biology Society (EMBC) 2023

Sydney

Electroporation-based transfection of rd10 and wild-type retinas

Jiao Zhang, Frank Müller, Peter Walter, Sandra Johnen

DOG 2023

Berlin

Electroporation-based transfection of rd10 and wild-type retinas: anatomical and cell biology studies

Jiao Zhang, Frank Müller, Peter Walter, Sandra Johnen

Artificial Vision 2023

Duisburg

Differences in the non-viral electroporation-based transfection of glial cells in suspension or adherent state

Saishreyas Iyer, Peter Walter, Sven Ingebrandt, Sandra Johnen

Artificial Vision 2023

Duisburg

Electroporation-based non-viral genetic modification of glial cells in suspension or adherent state

Saishreyas Iyer, Sven Ingebrandt, Peter Walter, Sandra Johnen

 DOG 2023

Berlin

Results from cadaveric eye experiments using the newly developed 3D-PLAPS ophthalmic surgical instrument for implantation of large retinal stimulators

Frederic Kuba Balcewicz, Sabine Baumgarten, Kim Schaffrath, Jiayun Wang, Sandra Johnen, Peter Walter, Tibor Karl Lohmann

Artificial Vision 2023

Duisburg, Germany

Impedance Analysis of Cells to verify successful Gene Electrotransfer

Roman Opgenorth, Josef Bolten, Sandra Johnen and Sven Ingebrandt

IBCA 2023

Aachen

Transparent microfluidic MEAs with organic electronic ion pumps for in vitro studies of the pathological retina

Roman Deubel, Lena Hegel, Andrea Kauth, Eashika Ghosh, Vivek Pachauri, Xuan Thang Vu, Sandra Johnen, Sven Ingebrandt

Mikrosystemtechnik Kongress 2023

Dresden

Pharmacological suppression of pathological oscillations in the retinitis pigmentosa mouse model rd10

Nruthyathi, Jana Gehlen, Sandra Johnen, Peter Walter, Frank Müller

Artificial Vision Meeting 2023

Duisburg

Low-cost alternative to commercial ECIS devices

A. Kauth, L. Cüppers, J. Reichard, G. Zimmer-Bensch, S. Ingebrandt

IBCA 2023

Aachen

PEDOT:PSS coating for improved electric cell-substrate impedance sensing assays

A. Kauth, J. Reichard, G. Zimmer-Bensch, S. Ingebrandt

BMT2023

Duisburg

Convolutional Neural Network-based Inverse Encoder for Optimization of Retinal Prosthetic Stimulation

Yuli Wu, Laura Koch, Peter Walter, Dorit Merhof

Artificial Vision at BMT 2023

Duisburg

Multi-modal evaluation of neuronal integrity in the visual pathway after retinal  degeneration in RCS rats

Jing Wang, Krause Sandra, Antje Willuweit

Artifical Vision at BMT 2023

Duisburg

Multi-modal evaluation of neuronal integrity in the visual pathway after retinal degeneration in RCS rats

Jing Wang, Sandra Krause, Antje Willuweit et al.

EMIM (European Molecular Imaging Meeting) 2023

Salzburg

Silicon-nitride photonic integrated circuit-based microelectrode array for in-vitro characterization of retina with high resolution optical stimulation

P. Hosseini, P. Agrawal, S. Johnen, J. Witzens, F. Merget

Artificial Vision 2023

Duisburg

Retinal OCT Synthesis with Denoising Diffusion Probabilistic Models for Layer Segmentation

Yuli Wu, Weidong He, Dennis Eschweiler, Ningxin Dou, Zixin Fan, Shengli Mi, Peter Walter, Johannes Stegmaier

IEEE 21st International Symposium on Biomedical Imaging (ISBI) 2024

Athens

Focusing Optical Phased Array for Optically Enabled Probing of the Retina with Subcellular Resolution

Pedram Hosseini, Prachi Agrawal, Alireza Tabatabaei Mashayekh, Sandra Johnen, Jeremy Witzens, and Florian Merget

European Conference On Integrated Optics (ECIO) 2024

Aachen

 

 

2022

Titel

Authors

Conference

Location

Surgical anatomy of the small animal eye - 3D reconstruction and ablation effect

Wang J, Baumgarten S, Walter, P

ARVO 2022

Denver, CO, USA

Neue Ansätze der Netzhautstimulation

Peter Walter

Jahrestagung der Rheinisch-Westfälischen Augenärzte 2022

Bielefeld, Germany

Innovative Technologien für optimiertes künstliches Sehen

Peter Walter

Jahrestagung der Deutschen Gesellschaft für Hals-Nasen-Ohrenheilkunde, Kopf- und Halschirurgie 2022

Hannover, Germany

SoC for Retinal Ganglion Cell Stimulation with Integrated Sinusoidal Kilohertz Frequency Waveform Generation

Philipp Löhler, Andreas Pickhinke, Andreas Erbslöh, Rainer Kokozinski, Karsten Seidl

IEEE PRIME 2022

Villasimus, Sardinia, Italy

Real-time Algorithm for Target-RGC Selection in Retinal Implants

Philipp Löhler, Thaameran Baskaran, Andreas Pickhinke, Andreas Erbslöh, Karsten Seidl

IEEE EMBC 2022

Glasgow, Scotland

Towards a new generation of visual prostheses

V. Rincón Montes, J. Gehlen, M.Jung, L.Koschinski, W. Mokwa, S. Ingebrandt, F. Müller2, P. Walter,  A. Offenhäusser

GRS + GRC on Neuroelectronic Interfaces 2022

Ventura, USA

Reconstruction of the surgical anatomy of eyes of experimental animals

 

Peter Walter, Jiayun Wang, Sabine Baumgarten

Meeting of the Club Jules Gonin 2022

Dubrovnik, Croatia

Das Netzhautimplantat

Peter Walter

Deutsche Gesellschaft für Schädelbasischirurgie 2022

Fulda, Germany

Verbesserung der Insertion und Implantation großer Mikrosysteme ins Kleintierauge mit 3D-Modellen und Ablation

Wang J., Walter P., Baumgarten S.

Jahrestagung der Deutschen Ophthalmologischen Gesellschaft 2022

USA, Berlin, Deutschland

Optimizing electrical pulse parameters for electrofection on microelectrode arrays

Andrea Kauth, Lena Hegel, Sven Ingebrandt

ENFI 2022

Maastricht, Netherlands

Analyzing MEA-chip designs for electroporation-based genetic modification in novel retinal implants

Andrea Kauth, Lena Hegel, Sandra Johnen, Sven Ingebrandt

MEA Meeting 2022

Tübingen, Germany

EIS measurements as powerful tool for design and evaluation of in situ electroporation of cultivated cells on MEAs

Andrea Kauth, Lena Hegel, Marcel Tintelott, Sven Ingebrandt

BMT 2022

Innsbruck, Austria

Microelectrode array-based electroporation for use in multifunctional retinal implants

Andrea Kauth, Anne-Kathrin Mildner, Sandra Johnen, Joachim Wegener, Sven Ingebrandt

4th World congress on electroporation 2022

Copenhagen, Denmark

Multiscale Softmax Cross Entropy for Fovea Localization on Color Fundus Photography

Wu, Y., Walter, P., Merhof, D.

Bildverarbeitung für die Medizin 2022

Heidelberg, Germany

Enhancing the activity of GABAA receptors but not GABAB receptors abolishes pathological oscillations in retinitis pigmentosa mouse model rd10

Nruthyathi, Jana Gehlen, Frank Müller

MEA meeting 2022

Tubingen, Germany

Multi-modal evaluation of neuronal integrity in the visual pathway after retinal degeneration

Jing 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 Willuweit

INM IBI Retreat 2022

Jülich, Germany

 

2021

Titel

Authors

Conference

Location

Compact system for stimulation, recording and electroporation of cul-tivated cells on MEAs as an in-vitro test setup towards multifunctional retinal implants

Andrea Kauth, Benedikt Maurer, Daniela Brocke, Sandra Johnen, Sven Ingebrandt

BMT 2021

Hannover, Germany