Joint compression of neural action potentials and local field potentials

S Schmale, B Knoop, J Hoeffmann… - … on Signals, Systems …, 2013 - ieeexplore.ieee.org
Brain research is concerned with two types of electrophysiological signals: neural action
potentials (AP), which are also known as spikes, and local field potentials (LFP). The demand …

Development of a fully implantable recording system for ecog signals

J Pistor, J Hoeffmann, D Rotermund… - … , Automation & Test …, 2013 - ieeexplore.ieee.org
This paper presents a fully implantable neural recording system for the simultaneous
recording of 128 channels. The electrocorticography (ECoG) signals are sensed with 128 gold …

Exploiting correlation in neural signals for data compression

S Schmale, J Hoeffmann, B Knoop… - 2014 22nd …, 2014 - ieeexplore.ieee.org
Progress in invasive brain research relies on signal acquisition at high temporal- and spatial
resolutions, resulting in a data deluge at the (wireless) interface to the external world. Hence…

Open hardware: Towards a fully-wireless sub-cranial neuro-implant for measuring electrocorticography signals

D Rotermund, J Pistor, J Hoeffmann, T Schellenberg… - bioRxiv, 2016 - biorxiv.org
Implantable invasive neuronal interfaces to the brain are an important keystone for many
interesting future medical applications. However, entering this field of research is difficult since …

A programmable neural measurement system for spikes and local field potentials

J Pistor, J Hoeffmann… - 2011 Symposium on …, 2011 - ieeexplore.ieee.org
This paper presents a configurable system measuring and pre-processing neurological data
to be transmitted over a wireless RF datalink (the datalink itself is not part of this work). The …

[PDF][PDF] Biomedical-asic with reconfigurable data path for in vivo multi/micro-electrode recordings of bio-potentials

J Hoeffmann, J Pistor… - … Meeting on Substrate …, 2012 - researchgate.net
This paper presents a Biomedical-ASIC for a fully implantable Neural Measurement System
(NMS), able to record bio-potentials from the cortex of a subject in research applications and …

[HTML][HTML] Implications for a wireless, external device system to study electrocorticography

D Rotermund, J Pistor, J Hoeffmann, T Schellenberg… - Sensors, 2017 - mdpi.com
Implantable neuronal interfaces to the brain are an important keystone for future medical
applications. However, entering this field of research is difficult since such an implant requires …

Programmable current source for implantable neural stimulation systems

J Pistor, N Heidmann, J Höffmann, S Paul - Procedia Engineering, 2014 - Elsevier
In this paper we present an ASIC, built in a 350 nm CMOS technology, as a component for a
neural measurement and stimulation system. The ASIC consists of an adjustable current …

Fusogenic liposomes as nanocarriers for the delivery of intracellular proteins

…, JP Siebrasse, U Kubitscheck, B Hoffmann… - Langmuir, 2017 - ACS Publications
Direct delivery of proteins and peptides into living mammalian cells has been accomplished
using phospholipid liposomes as carrier particles. Such liposomes are usually taken up via …

[PDF][PDF] Quality criteria of transdisciplinary research

M Bergmann, B Brohmann, E Hoffmann… - A guide for the …, 2005 - researchgate.net
Transdisciplinary research has central importance in discussions about new relationships
between science and society. It is particularly relevant for complex problem fields like …