Patent application number | Description | Published |
20080245771 | METHOD FOR PROCESSING A SURFACE - A method for processing a surface involves depositing at least one class of enzymes ( | 10-09-2008 |
20090038493 | Printing in a medium - A method for transferring a pattern from an elastic stamp to a substrate in the presence of a third medium is described. A proximity contact is achieved between the stamp and the substrate. A layer of the third medium between the stamp and the substrate is controlled to a predetermined thickness. Stamps for carrying out this method are also described. | 02-12-2009 |
20090135471 | DISPLAY ELEMENT - A display element having circuitry adapted to at least partially electrochemically dissolve a first layer by means of supplying an electrical current through the first layer. The first layer separates a first reservoir filled with a liquid from a second reservoir. By dissolving the first layer at least partially, at least a portion of the liquid can flow from the first to the second reservoir. Consequently, the display element transitions from a first to a second optical state. | 05-28-2009 |
20090298161 | Surface Treatment - A biosensor comprising surface treated with a method for producing a monolayer of molecules on a surface, the method comprising loading a stamp with seed molecules, transferring seed molecules from the stamp to the surface, wherein transferring comprises transferring a fraction of the seed molecules loaded on the stamp to the surface and adsorbing the seed molecules to the stamp and adsorbing the seed molecules to the surface, the adsorption of the seed molecules to the stamp being stronger than the adsorption of the seed molecules to the surface, self-completing amplification of the seed molecules via an amplifying reaction to produce the monolayer on a flat surface, wherein self-completing amplification comprises producing a homogeneous area, wherein the homogeneous area comprises a monolayer of molecules on the surface, and wherein the monolayer of molecules on the surface has no diffusive component that can relocate and destroy amplification accuracy. | 12-03-2009 |
20090318302 | MICROFLUIDIC SELECTION OF LIBRARY ELEMENTS - Disclosed herein is a microfluidic device comprising a chip; a flow channel being disposed in the chip; the flow channel being in communication with an entry port and an exit port; the flow channel being operative to permit the flow of a library from the entry port to the exit port; a substrate; the substrate being disposed upon the chip; the substrate being operative to act as an upper wall for the flow channels; and a plurality of receptors; the plurality of receptors being disposed on the substrate; the plurality of receptors being operative to interact with an element from the library. | 12-24-2009 |
20090318303 | MICROFLUIDIC SELECTION OF LIBRARY ELEMENTS - Disclosed herein is a system comprising a chip; a flow channel disposed in the chip; the flow channel being in communication with an entry port and an exit port; the flow channel being operative to permit the flow of a library from the entry port to the exit port; a substrate; the substrate being disposed upon the chip; the substrate being operative to act as an upper wall for the flow channel; and a receptor; the receptor being disposed on the substrate; the receptor being operative to interact with a component from the library. | 12-24-2009 |
20100048428 | METHODS FOR SCREENING AND ARRAYING MICRORGANISMS SUCH AS VIRUSES USING SUBTRACTIVE CONTACT PRINTING BACKGROUND - Methods for screening and arranging microorganisms such as viruses in an array using subtractive contact printing are provided. In one embodiment, a method for forming an array of receptors for microorganisms comprises: patterning an array of structures on a first substrate to form a template on a surface of the first substrate; applying a receptor material to a face of a second substrate; and contacting the face of the second substrate with the template to remove a portion of the receptor material from the second substrate, thereby forming an array of receptors on the second substrate. | 02-25-2010 |
20100139797 | Magnetically actuated microfluidic mixers - In one embodiment as described in this section, an apparatus for mixing of microfluidic streams on a chip is presented, which comprises a micro-channel and a plurality of magnetic valves on the chip. A guiding magnet produces a proximal magnetic field gradient to exert a force on a bead in a cavity when placed at in a vicinity of the chip. The bead-cavity combination form a magnetic valve. In one embodiment, the mouth of the cavity is tapered so to prevent the magnetic bead from completely blocking the corresponding micro-channel section to enhance the mixing of microfluidic streams at the narrowed fluid path. In one embodiment, magnetically actuated valves direct the flow in a microfluidic system in one of several flow paths wherein the mixing characteristics of the paths are different. | 06-10-2010 |
20100140517 | One-step flow control for crossing channels - In one embodiment of the present invention, an apparatus for one-step flow control at a micro-channel crossing comprises a first micro-channel and a second micro-channel, a plurality of magnetic valves, and a guiding magnet. The guiding magnet produces a proximal magnetic field gradient at a location of each of the plurality of magnetic valves when an operator places the guiding magnet in a vicinity of the chip. The vicinity of the chip comprises a plurality of guiding magnet position ranges. The operator repositions guiding magnet in order to actuate the plurality of magnetic valves simultaneously. Depending on the position of the guiding magnet, the passages are blocked or unblocked to stop or let the fluid flow in a given crossing. | 06-10-2010 |
20100143193 | Magnetic valves for performing multi-dimensional assays using one microfluidic chip - An apparatus for performing multi-dimensional assays using a microfluidic chip is presented. The apparatus comprises of two crossing series of micro-channels on the microfluidic chip. The apparatus further comprises of a plurality of magnetic valves placed at the crossings and a guiding magnet. When an operator places the guiding magnet in a vicinity of the chip, the guiding magnet produces a proximal magnetic field gradient at a location of each of the plurality of magnetic valves. At the first micro-channel crossing, a magnetic valve controls fluid flow in the first micro-channel, and another magnetic valve controls fluid flow in the second micro-channel at the first micro-channel crossing. Each magnetic valve comprises a magnetic bead and a cavity on the chip next to a corresponding micro-channel section. | 06-10-2010 |
20100176089 | CONFINEMENT OF FLUIDS ON SURFACES - The invention is directed to a device for applying a fluid to a surface, the device comprising a first conduit for directing a flow of a first fluid towards the surface and a second conduit for directing a flow of a second fluid away from the surface, the first conduit being arranged relative to the second conduit such that in operation of the device the second fluid comprises substantially the first fluid, and wherein said first conduit comprises a first aperture and the second conduit comprises a second aperture, the first aperture arranged at a distance from the second aperture. | 07-15-2010 |
20110117539 | Detection of an Analyte in a Sample - There is provided mechanisms for the detection of an analyte in a sample. The mechanisms utilize at least a first measurement channel comprising a detection reactant corresponding to the analyte to be detected, and at least a microstructure associated with the first measurement channel. When the mechanisms are in use, the sample is introduced into the first measurement channel and propagated by way of the first measurement channel towards the microstructure. If the analyte, if it is present in the sample, the analyte interacts with the detection reactant to form a networked product, and the microstructure is configured to filter the networked product. | 05-19-2011 |
20120034677 | MICROORGANISM CULTURE DEVICE AND METHOD OF OPERATION THEREOF - The invention is directed to a microorganism culture device ( | 02-09-2012 |
20120160019 | MICRO-FLUIDIC TEST APPARATUS AND METHOD - An apparatus, system, and method for determining the osmolarity of a fluid. The apparatus includes at least one micro-fluidic circuit and at least one electrical circuit disposed in communication with the micro-fluidic circuit for determining a property of a fluid contained within the at least one micro-fluidic circuit. | 06-28-2012 |
20120214153 | Detection of an Analyte in a Sample - There is provided mechanisms for the detection of an analyte in a sample. The mechanisms utilize at least a first measurement channel comprising a detection reactant corresponding to the analyte to be detected, and at least a microstructure associated with the first measurement channel. When the mechanisms are in use, the sample is introduced into the first measurement channel and propagated by way of the first measurement channel towards the microstructure. If the analyte is present in the sample, the analyte interacts with the detection reactant to form a networked product, and the microstructure is configured to filter the networked product. | 08-23-2012 |
20120255930 | METHOD FOR PROCESSING A SURFACE - A method for processing a surface involves depositing at least one class of enzymes ( | 10-11-2012 |
20120283133 | MICROFLUIDIC SELECTION OF LIBRARY ELEMENTS - A microfluidic device includes a chip; a flow channel being disposed in the chip; the flow channel being in communication with an entry port and an exit port; the flow channel being operative to permit the flow of a library from the entry port to the exit port; a substrate; the substrate being disposed upon the chip; the substrate being operative to act as an upper wall for the flow channels; and a plurality of receptors; the plurality of receptors being disposed on the substrate; the plurality of receptors being operative to interact with an element from the library. | 11-08-2012 |
20130098481 | MICROFLUIDIC DEVICE WITH INTERCONNECTS - A microfluidic device with interconnects. The device includes a first layer; a second layer, the first layer and the second layer assembled such as to face each other; a microchannel in said second layer; a tapered conduit having a tapered portion, wherein the tapered portion is inserted in a correspondingly shaped via formed in the first layer at the level of an end of the microchannel such that fluid communication is enabled between the microchannel and the conduit, and blocked in the via by way of the assembled first layer and second layer. | 04-25-2013 |
20130199278 | MICRO-FLUIDIC TEST APPARATUS AND METHOD - An apparatus, system, and method for determining the osmolarity of a fluid. The apparatus includes at least one micro-fluidic circuit and at least one electrical circuit disposed in communication with the micro-fluidic circuit for determining a property of a fluid contained within the at least one micro-fluidic circuit. | 08-08-2013 |
20140038260 | METHOD FOR PROCESSING A SURFACE - A method for processing a surface involves depositing at least one class of enzymes ( | 02-06-2014 |