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Broer

Dick Jan Broer, Geldrop NL

Patent application numberDescriptionPublished
20100055769BIOTECHNOLOGICAL DEVICE INCLUDING A STRUCTURED HYDROGEL PERMEATION LAYER - The present invention relates to a biotechnological device including a responsive hydrogel permeation layer with an intrinsic structural gradient.03-04-2010

Dirk A Broer, Silver Spring, MD US

Patent application numberDescriptionPublished
20100148964ROGUE RFID DETECTOR - A system, techniques, and apparatus for detecting rogue RFID readers are disclosed. The system detects unauthorized reader to tag communication, and with multiple detectors, provides location information concerning one or more unauthorized readers. The system can detect high power commands of an unauthorized reader(s) in predefined areas and be integrated with an article surveillance system.06-17-2010
20100156651RFID Tag Movement Determination - A system, techniques, and apparatus for determining RFID tag movement are disclosed. The system includes an RFID reader that is configured to detect an RFID tag's motion by comparing backscattered signals received from the tag. The system can also generate and filter alerts according to pre-defined business rules based on the detection.06-24-2010

Dirk J. Broer, Geldrop NL

Patent application numberDescriptionPublished
20090001284Biosensor with One-Dimensional Sub-Diffraction-Limited Apertures Composed of a Grid and a Polarizer - A method and sensor for the detection of luminescence radiation generated by at least one luminophore is disclosed. In the context of the present invention the biosensor comprises a grid (01-01-2009
20110293712COAXIALLY ENCAPSULATED CELL SUSPENSIONS AND MICROTISSUES - The present invention provides for the coaxial encapsulation of a plurality of cells in a single elongated compartment. By this encapsulation, the cells are protected by at least one layer of separation material and kept in close contact, which leads to a better vitality of the encapsulated cells and consequently results in higher chances to form microtissue. Methods and devices for the production of such encapsulated cell compartments are disclosed as well as medical uses of such compartments in cell, tissue therapy and tissue engineering.12-01-2011
20120033173MULTIFUNCTIONAL OPTICAL SENSOR - The invention relates to a multifunctional optical sensor, having at least 2 areas which independently react to different input parameters, the sensor comprising a substrate and a polymeric layer comprising polymerized liquid crystal monomers having an ordered morphology, wherein the color, the reflectivity or the birefringence of the sensor changes due to a change of the morphology, wherein said change of the morphology is caused by physical contact with a chemical agent such as a gas or liquid a change of temperature, or passage of time. The invention also relates to a process for the preparation of the sensor and for the use of a film comprising a single substrate, a layer having a cholesteric liquid crystalline structure for application in labels for packaging of perishable goods, food, fine chemicals, bio-medical materials.02-09-2012

Patent applications by Dirk J. Broer, Geldrop NL

Dirk J. Broer US

Patent application numberDescriptionPublished
20120086903POLARIZATION GRATINGS IN MESOGENIC FILMS - A polarizer including a polarization grating comprising a polarization sensitive photo-alignment layer and a liquid crystal composition arranged on said photo-alignment layer. An alignment pattern, corresponding to the polarization pattern of a hologram, is recorded in the photo-alignment layer, and the liquid crystal composition is aligned on the photo-alignment layer.04-12-2012

Dirk Jan Wilfred Broer, Geldrop NL

Patent application numberDescriptionPublished
20100261270PATTERNED CELL SHEETS AND A METHOD FOR PRODUCTION OF THE SAME - The present invention is related to a method for the production of cell sheets comprising at least two different cell types, said method comprising the steps of providing a continuous cell sheet which is disposed on a substrate comprising shape transition properties and/or alterable surface characteristics; exposing said continuous cell sheet to a releasing agent in a patterned fashion; washing the cell sheet after exposure to the releasing agent in order to remove cells which have been affected by the releasing agent, and repopulating the gaps remaining after the cells which have been affected by the releasing agent have been removed with a second cell type.10-14-2010

Dirk John Broer, Geldrop NL

Patent application numberDescriptionPublished
20080283400Separation Medium for Use in Chromatography - The invention relates to a separation medium for chromatography which is structured in that way that the flow rate is in one preselected direction larger than perpendicular to that direction.11-20-2008