Patent application number | Description | Published |
20090194415 | PAIR OF MEASURING ELECTRODES, BIOSENSOR COMPRISING A PAIR OF MEASURING ELECTRODES OF THIS TYPE, AND PRODUCTION PROCESS - A pair of measuring electrodes comprising a first and a second, preferably in each case sheet-like electrode comprises an insulation layer arranged between said electrodes. One or more nanopores, which extend through said insulation layer as far as said first electrode, the surface of which is at least partially uncovered by said nanopores, are provided in each second electrode. The invention also describes a biosensor comprising a pair of measuring electrodes of this type, an electrochemical cell comprising a biosensor of this type and a process for producing said pair of measuring electrodes. | 08-06-2009 |
20100084267 | PAIR OF MEASURING ELECTRODES, BIOSENSOR COMPRISING A PAIR OF MEASURING ELECTRODES OF THIS TYPE, AND PRODUCTION PROCESS - A pair of measuring electrodes comprising a first and a second, preferably in each case sheet-like electrode comprises an insulation layer arranged between said electrodes. One or more nanopores, which extend through said insulation layer as far as said first electrode, the surface of which is at least partially uncovered by said nanopores, are provided in each second electrode. The invention also describes a biosensor comprising a pair of measuring electrodes of this type, an electrochemical cell comprising a biosensor of this type and a process for producing said pair of measuring electrodes. | 04-08-2010 |
20110079513 | MICROFLUIDIC SYSTEM AND METHOD FOR ASSEMBLING AND FOR SUBSEQUENTLY CULTIVATING, AND SUBSEQUENT ANALYSIS OF COMPLEX CELL ARRANGEMENTS - A microfluidic system ( | 04-07-2011 |
20110139620 | MICROFLUIDIC CELL - A microfluidic cell for the dielectrophoretic separation, accumulation, and/or lysis of polarizable bioparticles, including an interdigital electrode system composed of two electrode groups having interdigitated electrodes, and a micromixer having microchannels and microelevations. The interdigital electrode system and the micromixer are situated on the same side of the cell to improve the separation, accumulation, and/or lysis characteristics. Moreover, also described is a microfluidic system which includes such a microfluidic cell, and use thereof, and a method for separating, accumulating, and/or lysing polarizable bioparticles. | 06-16-2011 |
20110139621 | MICROFLUIDIC CELL - A microfluidic cell for the dielectrophoretic separation, accumulation, and/or lysis of polarizable bioparticles, including an interdigital electrode system composed of two electrode groups having interdigitated electrodes, a flat electrode in which the interdigital electrode system and the flat electrode are situated on opposite sides of the cell in order to improve the separation, accumulation and/or lysis characteristics. Moreover, a microfluidic system which includes such a microfluidic cell, and use thereof, and a method for separating, accumulating, and/or lysing polarizable bioparticles is also described. | 06-16-2011 |
20120031759 | DIELECTROPHORETIC DEVICE WITH ACTUATOR - A dielectrophoretic fractionation device having a channel defining a direction of flow therethrough for the fractionation of particles in a liquid particle suspension is disclosed. The device also has a deflector unit affixed to a wall of the channel and arranged to generate an electric field gradient in the channel to spatially separate the particles in the liquid particle suspension. The device also has an actuator mounted to the channel and positioned to deform the wall. Also provided is a method for inhibiting aggregation of particles in a liquid particle suspension of the dielectrophoretic fractionation device, the method including periodically deforming the wall with the actuator. | 02-09-2012 |
20120183990 | MICROFLUIDIC SYSTEM AND METHOD FOR PRODUCING SAME - A closed microfluidic system is equipped with a carrier plate and a cover plate as well as wall regions arranged therebetween, which form a system of channels and/or cavities with an inner surface. Selected regions of the inner surface are selectively functionalized. | 07-19-2012 |
20120199487 | MICROFLUIDIC SYSTEM AND METHOD FOR ASSEMBLING AND FOR SUBSEQUENTLY CULTIVATING, AND SUBSEQUENT ANALYSIS OF COMPLEX CELL ARRANGEMENTS - The present invention provides an apparatus and a method to assemble organotypical tissues which can then be perfused and investigated under preferably physiological conditions. This is achieved by a microfluidic system for assembling and subsequently cultivating complex cell arrangements, comprising: a three-dimensional microstructure in which the cell arrangement is assembled and cultivated, at least two microchannel segments running in the microstructure and defining a flow direction, through which microchannel segments the microstructure can be perfused from outside with a medium, whereby the microchannel segments run approximately parallel or equidistant to one another at least in sections, a wall structure which separates the at least two microchannel segments and in which at least one aperture connecting the at least two microchannel segments is provided, and an electrode arrangement provided in or on the microstructure in order to generate an inhomogeneous electric field in the region of the at least one aperture. | 08-09-2012 |