Substrate arrays of iridium oxide microelectrodes for in-vitro neuronal interfacing
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Fetal or early postnatal brain tissue can be cultured in viable and healthy condition for several weeks with development and preservation of the basic cellular and connective organization as so-called organotypic brain slice cultures. Here we demonstrate a ...
This paper describes the development of microelectrodes with integrated three-dimensional electrode structures. The integration of three-dimensional structures aims at an improvement of the electrode/tissue interface. Due to the increase in surface area th ...
A theoretical approach to the steady-state limiting current response behavior of multiple microelectrode arrays, consisting of spherical, hemispherical, disk-shaped, or hemicylindrical electrode units, is presented. An approximative treatment is given for ...
In this study we examined the passive biocompatibility of a three-dimensional microelectrode array (MEA), designed to be coupled to organotypic brain slice cultures for multisite recording of electrophysiological signals. Hippocampal (and corticostriatal) ...
A microelectrode array (MEA) consisting of 34 silicon nitride passivated Pt-tip microelectrodes embedded on a perforated silicon substrate (porosity 35%) has been realized. The electrodes are 47 μm high, of which only the top 15 μm are exposed Pt-tips havi ...
This paper describes the fabrication of polyimide-based microelectrodes with embedded fluidic microchannels. The thin-film structures combine for the first time a fluidic system with microelectrodes for recording and stimulation of biological signals on a ...
Although signaling between neurons is central to the functioning of the brain, we still do not understand how the code used in signaling depends on the properties of synaptic transmission. Theoretical analysis combined with patch clamp recordings from pair ...
A three-dimensional platinum (Pt) microelectrode array embedded on a micromachined silicon (S) substrate (porosity of 13%, via hole diameter of 40 μm) has been developed. Electrodes are 35-μm wide and 20-μm high, spaced 200 μm apart and arranged in an elli ...
The transmission of receptor-generated cytoplasmic Ca2+ signals between communicating pancreatic acinar cells has been investigated by comparing patch-clamp recordings of Ca(2+)-dependent Cl- current in internally perfused single cells and small multi-cell ...
The fabrication, characterization and application of polyimide-based flexible microelectrodes for recording from and stimulation of biological tissue are described. The planar electrodes consist of a polyimide-platinum-polyimide sandwich structure with a t ...
