Patent application number | Description | Published |
20080290325 | MEMS Passivation with Phosphonate Surfactants - Phosphonate surfactants are employed to passivate the surfaces of MEMS devices, such as digital micromirror devices. The surfactants are adsorbed from vapor or solution to form self-assembled monolayers at the device surface. The higher binding energy of the phosphonate end groups (as compared to carboxylate surfactants) improves the thermal stability of the resulting layer. | 11-27-2008 |
20100289772 | TOUCH-SENSITIVE DEVICE AND METHOD - Techniques are generally described for touch-sensitive devices with biometric information determination capabilities. The touch-sensitive device may include one or more of a transmitter, a receiver, and a processor. The transmitter may be configured to emit light towards a surface of the touch-sensitive device and the receiver may be configured to receive reflected light from a touch to the touch-sensitive device. The processor may be arranged to receive signals from the receiver and determines biometric information, and in some examples location of touch, based on the signals. | 11-18-2010 |
20100322837 | Gas Storage and Release Using Piezoelectric Materials - Embodiments are described that generally relate to the storage and release of a gas using piezoelectric materials. | 12-23-2010 |
20110014113 | Carbon Nanotube Seperation by Reversible Gelation - Embodiments described herein generally relate to the separation of carbon nanotubes by reversible gelation. | 01-20-2011 |
20110014455 | CARBON NANOTUBE TRANSPARENT FILMS - The present disclosure generally relates to conductive films and methods for forming conductive films. In some examples, a substrate may be provided having a dispersion of silica nanoparticles provided on a surface thereof. Carbon nanotubes may be adhered to the dispersion of silica nanoparticles on the surface of the substrate to provide the conductive film on the substrate. | 01-20-2011 |
20110029253 | Mobile Sampling of Target Substances - Implementations for mobile sampling of one or more target substances are generally disclosed. | 02-03-2011 |
20110042276 | Separation of Carbon Nanotubes Using Magnetic Particles - The present disclosure generally describes techniques for separating semiconducting carbon nanotubes from metallic carbon nanotubes in a carbon nanotube dispersion. The semiconducting carbon nanotubes and metallic carbon nanotubes may be provided and dispersed in a fluid. Once the semiconducting carbon nanotubes attach to the amine-coated magnetic particles, a magnetic field may be applied to the amine coated magnetic particles and attached semiconducting carbon nanotubes to attract and hold at least a portion of the semiconducting carbon nanotubes, so that the semiconducting carbon nanotubes may be separated from the fluid and/or metallic carbon nanotubes. | 02-24-2011 |
20110060202 | DEHYDRATION DETECTOR USING MICRO-NEEDLES - Examples are generally described that include an array of micro-needles. A capillary may be coupled to the array of micro-needles and configured to receive fluid from at least a portion of the array. A conductivity sensor may be arranged to measure conductivity of the fluid within the capillary, and a pump may be arranged to move fluid through the capillary. A processor may arranged to receive signals indicative of conductivity from the conductivity sensor and identify a dehydration condition based at least in part on a change in the signals indicative of conductivity. | 03-10-2011 |
20110091604 | SYNTHETIC MEAT - Examples of methods, systems and computer accessible mediums related to producing synthetic meat are generally described herein. In some example methods, a substrate configured to support cell growth may be provided. The substrate may be seeded with cells. The seeded substrate may be rolled through a bioreactor having a roll-to-roll mechanism, thereby allowing nutrients and growth factors to interact with the cells. The seeded substrate may be stretched to simulate muscle action. The seeded substrate may be monitored for uniformity of cell growth as it is rolled through the bioreactor. A film of synthetic meat is obtained from the substrate. | 04-21-2011 |
20110097301 | ANGIOGENESIS PROMOTED BY CAGED GROWTH FACTORS - The present disclosure relates to controlling the release of growth factors for the promotion of angiogenesis. The growth factors or a polymer matrix are modified by photoactive compounds, such that the growth factors are not released into an active form until they are irradiated with light. The disclosure also relates to tissue engineering scaffolds comprising one or more polymers and at least two growth factors. | 04-28-2011 |
20110097801 | TISSUE SCAFFOLDING COMPOSITES - A method for preparing a biocompatible polymeric composite includes modifying a first biocompatible polymer with a primer group to form a modified biocompatible polymer; blending the modified biocompatible polymer with a second biocompatible polymer and an inorganic material; allowing the primer group of the modified biocompatible polymer to react with the inorganic material to form a biocompatible polymeric composite. Such biocompatible polymeric composites may be formed into medical devices such as tissue growth scaffolds and bone growth scaffolds. | 04-28-2011 |
20110140525 | CONFORMAL DEPOSITION OF DIELECTRIC COMPOSITES BY ELECTROPHORESIS - Techniques are generally described herein for the design, manufacture and use of composite dielectric materials. Embodiments include, but are not limited to, methods, apparatuses, and systems. Other embodiments may also be disclosed and claimed. Some techniques described herein include electrophoretic deposition of dielectric particles to conformally form a thin layer of dielectric material for use in energy storage devices. Example energy storage devices include capacitor devices, which in some instances may be used to replace and/or assist in the operation of batteries, ultra-capacitors, and other similar devices. | 06-16-2011 |
20110220503 | ELECTROKINETIC PUMPING OF NONPOLAR SOLVENTS USING IONIC FLUID - Techniques are generally described that include electrokinetic pumping an emulsion comprising an ionic fluid and a nonpolar fluid to promote flow of the ionic fluid by electro-osmotic flow and drag the nonpolar fluid by viscous drag forces. In some examples, the electrokinetic pump may be utilized to deliver one or more reagents within a fluidic reactor system, such as a micro-scale reactor system. In some additional examples, a reagent may be dissolved in the nonpolar fluid of a first emulsion and pumped through the electrokinetic pump to a mixing channel to allow the reagent of the first emulsion to react with a reagent of second emulsion to form a reactive product. | 09-15-2011 |
20110306127 | ENHANCING IRON UPTAKE IN PROTEIN-FREE MEDIA - Methods for enhancing iron uptake in cell culture are described. The methods include using a NTBI uptake activator and non-protein bound iron source. Suitable NTBI activators are delineated. Also described are serum-free culture media which can be used in the present methods. | 12-15-2011 |
20110309702 | ELECTRO-ACTUATED MAGNETIC BEARINGS - Techniques are generally described for adjusting a magnetic field in a magnetic bearing by moving permanent magnets in real time. Some example devices or systems include a magnetic bearing comprising electro-actuators adapted to move permanent magnets relative to a rotor to balance the rotor. For instance, in one example, each electro-actuator includes electro-active material adapted to deform in response to being exposed to an electrical field. This deformity causes permanent magnets attached to a surface of each electro-actuator to move relative to a rotor to balance the rotor. In many examples, a measurement circuit may be coupled to each electro-actuator and adapted to measure a capacitance of each electro-actuator. The capacitance measurement may be used to determine an adjustment signal to adjust the magnetic field in real time. | 12-22-2011 |
20120077094 | Air Cathode Tubes for Rechargeable Metal Air Batteries - Implementations and techniques for employing cathode tubes in metal air battery devices or systems are generally disclosed. | 03-29-2012 |
20120082921 | Metal Air Battery Including a Composite Anode - Implementations and techniques for metal air batteries including a composite anode are generally disclosed. | 04-05-2012 |
20120128869 | PHASE CHANGE ENERGY STORAGE IN CERAMIC NANOTUBE COMPOSITES - The present disclosure generally relates to methods and systems for forming phase change material composites and to the thus formed phase change material composites. In some examples, a method for forming a phase change material (PCM) composite may include dispersing nanowire material in a nonpolar solvent to form a nanowire-solvent dispersion, adding a PCM to the nanowire-solvent dispersion to form a nanowire-solvent-PCM dispersion, heating the nanowire-solvent-PCM dispersion, and removing the solvent. | 05-24-2012 |
20120164288 | DYES WITH CHANGEABLE SOLUBILITIES, AND METHODS FOR THEIR USE - Disclosed herein are solubility changeable dye compositions, methods of preparing such compositions and methods of using them. The composition includes a dye component linked via a linker moiety to a stimulus responsive hydrophobic moiety which modulates the solubility of the dye, wherein the hydrophobic moiety is configured to be de-linked from the dye component on exposure to a stimulus and render the dye component more hydrophilic. | 06-28-2012 |
20120247333 | Gas Storage and Release Using Piezoelectric Materials - Embodiments are described that generally relate to the storage and release of a gas using piezoelectric materials. | 10-04-2012 |
20120263921 | OPTICAL LITHOGRAPHY USING GRAPHENE CONTRAST ENHANCEMENT LAYER - Technologies are generally described for methods, systems, and structures that include patterns formed by optical lithography. In some example methods, a photoresist layer is applied to a substrate, and a graphene layer can be applied to the photoresist layer. Light can be applied through a mask to the graphene layer, where the mask includes a pattern. The light can form the pattern on the graphene layer such that the pattern forms on the photoresist layer. | 10-18-2012 |
20120272461 | DYES WITH CHANGEABLE SOLUBILITIES, AND METHODS FOR THEIR USE - Solubility changeable dye compositions include a dye component linked via a linker moiety to a stimulus responsive hydrophobic moiety which modulates the solubility of the dye, wherein the hydrophobic moiety is configured to be de-linked from the dye component on exposure to a stimulus and render the dye component more hydrophilic. A method of dying a substrate with such dye compositions includes contacting the dye with the substrate. | 11-01-2012 |
20120305399 | ELECTROKINETIC PUMPING OF NONPOLAR SOLVENTS USING IONIC FLUID - Techniques are generally described that include electrokinetic pumping an emulsion comprising an ionic fluid and a nonpolar fluid to promote flow of the ionic fluid by electro-osmotic flow and drag the nonpolar fluid by viscous drag forces. In some examples, the electrokinetic pump may be utilized to deliver one or more reagents within a fluidic reactor system, such as a micro-scale reactor system. In some additional examples, a reagent may be dissolved in the nonpolar fluid of a first emulsion and pumped through the electrokinetic pump to a mixing channel to allow the reagent of the first emulsion to react with a reagent of second emulsion to form a reactive product. | 12-06-2012 |
20120312687 | FUNCTIONAL AND REUSABLE ELECTRODEPOSITED COATINGS ON POROUS MEMBRANES - Functionalized membranes for use in applications, such as electrodeionization, can be prepared simply and efficiently by coating a conductive carbon nanotube and polymer membrane with a metal layer; and contacting the coated membrane with a solution comprises at least one electrochemically active and functional compound under conditions suitable for electrochemically depositing the electrochemically active and function compound on a surface of the metal-coated membrane. Such membranes may be reversible modified by chemically or electrochemically oxidizing the metal layer from the polymer membrane surface, thereby, providing a fresh surface which may be re-modified according to the preceding methods. | 12-13-2012 |
20120312691 | RELIABLE POINT OF USE MEMBRANE MODIFICATION - Functionalized membranes for use in applications, such as electrodeionization, can be prepared simply and efficiently by contacting a conductive carbon nanotube and polymer membrane with a solution containing at least one electrochemically active and functional compound under conditions suitable for electrochemically depositing the electrochemically active and function compound on a surface of the membrane. | 12-13-2012 |
20120312737 | PROGRAMMABLE MEMBRANE SYSTEM - Functionalized membranes for use in applications, such as electrodeionization, can be prepared simply and efficiently by associating a first element of a specific binding pair to a membrane surface and binding a second species comprising the second element of the specific binding pair and at least one functional group to form a complex on the membrane surface. Such membranes may be reversibly modified by disassociating the complex, thereby, providing a fresh surface which may be re-modified according to the preceding methods. | 12-13-2012 |
20130045149 | OXALATE SORBENTS FOR MERCURY REMOVAL - Disclosed are oxalate sorbent compositions, methods for their manufacture, and methods for removing mercury species from waste streams employing oxalate sorbent compositions. | 02-21-2013 |
20130045150 | CATIONIC FIBERS HOSTING REACTIVE PEROXYGENATED RADICALS, AND METHODS OF MAKING AND USING THEM - Disclosed are reactive fibers having a polycationic exterior surface to which multivalent peroxy anions are bound. The use of such fibers, mats of such fibers, and filters of such fibers, as well as methods of treating fluid streams, and rejuvenating such fibers, mats and filters are also disclosed. | 02-21-2013 |
20130052452 | FERROCENE /CARBON DIOXIDE RELEASING SYSTEM - Microparticles that encapsulate a fire extinguishing agent or combination of fire extinguishing agents, methods for preparing these microcapsules, methods for using such microcapsules, and articles of manufacture including at least one of such microparticles either in a coating or in a matrix that makes up a structural component of the article of manufacture are disclosed. | 02-28-2013 |
20130143021 | PHOSPHORUS LOADED PARTICLES AND METHODS FOR THEIR PREPARATION AND USE - A flame retardant additive includes red phosphorus adsorbed into a porous carrier. The carrier may be mixed with white phosphorus above its melting point (41° C.), so that liquid phosphorus is pulled into the pores of the carrier by capillary action. The phosphorus-loaded carrier may be heated above 250° C. to convert the white phosphorus to red phosphorus. The resulting red phosphorus-loaded carrier may retain flame retardant activity, and may also be protected from the environment for easier handling and formulation. By employing a carrier of a suitably small particle size, it is practical to incorporate the flame retardant red phosphorus-loaded carrier in thin films. | 06-06-2013 |
20130160575 | Mobile Sampling of Target Substances - Implementations for mobile sampling of one or more target substances are generally disclosed. | 06-27-2013 |
20130200302 | COATING A SUBSTANCE WITH GRAPHENE - Technologies are generally described for a system and process effective to coat a substance with graphene. A system may include a first container including graphene oxide and water and a second container including a reducing agent and the substance. A third container may be operative relationship with the first container and the second container. A processor may be in communication with the first, second and third containers. The processor may be configured to control the third container to receive the graphene oxide and water from the first container and to control the third container to receive the reducing agent and the substance from the second container. The processor may be configured to control the third container to mix the graphene oxide, water, reducing agent, and substance under sufficient reaction conditions to produce sufficient graphene to coat the substance with graphene to produce a graphene coated substance. | 08-08-2013 |
20130201605 | TWO-PARTICLE NANOCOMPOSITE DIELECTRICS - Technologies are generally described for a nanocomposite polymer dielectric that may incorporate two types of nanoparticles and a polymer. One of the two types of nanoparticle may be a first, smaller nanoparticle, that may occupy spaces between larger second nanoparticles. Another of the two types of nanoparticle may be the second, larger, “high-κ” nanoparticle, which supports the overall dielectric constant of the material. In an applied electric field, the first, smaller nanoparticle may redistribute local charge to homogenize electric fields in the dielectric material, tending to avoid the development of “hot spots”. Such a two-nanoparticle nanocomposite dielectric material may provide increased dielectric breakdown strength and voltage endurance in comparison with a nanoparticle dielectric which only contains a single type of “high-κ” nanoparticle. | 08-08-2013 |
20130277277 | CARBON NANOTUBE SEPARATION BY REVERSIBLE GELATION - Embodiments described herein generally relate to the separation of carbon nanotubes by reversible gelation. | 10-24-2013 |
20130278486 | DISTORTION-CORRECTING DEFORMABLE DISPLAYS - Provided herein are devices and methods relating to detecting and/or correcting distortions and other events that can occur to a display surface so that a desired image is viewed despite the presence of a distortion in the display surface itself. | 10-24-2013 |
20130281370 | ANGIOGENESIS PROMOTED BY CAGED GROWTH FACTORS - The present disclosure relates to controlling the release of growth factors for the promotion of angiogenesis. The growth factors or a polymer matrix are modified by photoactive compounds, such that the growth factors are not released into an active form until they are irradiated with light. The disclosure also relates to tissue engineering scaffolds comprising one or more polymers and at least two growth factors. | 10-24-2013 |
20130284986 | CARBON NANOTUBE SEPARATION BY REVERSIBLE GELATION - Embodiments described herein generally relate to the separation of carbon nanotubes by reversible gelation. | 10-31-2013 |
20130301300 | TRANSPARENT ILLUMINATION PANELS - Windows, or other types of transparent materials, may be constructed to passively allow light from alternate sources to pass therethrough, while also being able to actively produce artificial light for providing illumination from one side of the window by means of an incorporated optical waveguide that accepts light from an edge of the window and disperses it from only one side of the window. | 11-14-2013 |
20130309462 | OPTICAL LITHOGRAPHY USING GRAPHENE CONTRAST ENHANCEMENT LAYER - Technologies are generally described for methods, systems, and structures that include patterns formed by optical lithography. In some example methods, a photoresist layer is applied to a substrate, and a grapheme layer can be applied to the photoresist layer. Light can be applied through a mask to the graphene layer, where the mask includes a pattern. The light can form the pattern on the graphene layer such that the pattern forms on the photoresist layer. | 11-21-2013 |
20130315814 | GRAPHENE PRODUCTION - Technologies described herein are generally related to graphene production. In some examples, a system is described that may include a first container, a second container, and/or a chamber. The first container may include a first solution with a reducing agent, while the second container may include a second solution with graphene oxide. The chamber may be in operative relationship with the first and the second containers, and configured effective to receive the first and second solutions and provide reaction conditions that facilitate contact of the first and second solutions at an interfacial region sufficient to produce graphene at the interfacial region. | 11-28-2013 |
20130331666 | MENSTRUAL FLUID ANALYSIS - A disposable menstrual fluid fractionation apparatus for use in situ during menstruation is disclosed. The apparatus may include a filter configured to remove a particulate component of menstrual fluid from a liquid component of the menstrual fluid. A receptacle may be coupled to the filter. The filter, receptacle, and an analyte sensor may be integrated into a disposable feminine hygiene product. The integrated analyte sensor may be configured to detect a target analyte in the liquid component and indicate the presence/concentration of the target analyte. | 12-12-2013 |
20140030465 | REPAIRING GRAPHENE ON A POROUS SUPPORT - Technologies described herein are generally related to repairing graphene on a porous support. In some examples, a method is described that may include receiving a graphene layer on a support. The graphene layer may include a hole and a pore. The method may further include applying a first reactive material to a first side of the graphene layer. The first reactive material may include molecules larger than the pore. A second reactive material may be applied through the support to a second side of the graphene layer. The second reactive material may include molecules larger than the pore. The first and second reactive materials may react in the hole to produce a plug in the hole and to repair the graphene layer. | 01-30-2014 |
20140030482 | GRAPHENE MEMBRANE REPAIR - Technologies described herein are generally related to systems and processes for repairing a graphene membrane on a support. A chamber may receive a layer of graphene on a support. The layer of graphene may include a hole. A first container including an initiator may be effective to apply an initiator through the hole to the support to functionalize the support and produce an initiator layer on the support. A second container including an activator may be effective to apply an activator through the hole to the initiator layer to activate the initiator layer. The application of the activator may further be effective to grow a polymer from the initiator layer. The growth of the polymer may be effective to produce a polymer plug in the hole and effective to repair at least a portion of the layer of graphene. | 01-30-2014 |
20140038103 | LITHOGRAPHY USING PHOTORESIST WITH PHOTOINITIATOR AND PHOTOINHIBITOR - Technologies are generally described for a photoresist and methods and systems effective to form a pattern in a photoresist on a substrate. In some examples, the photoresist includes a resin, a photoinitiator and a photoinhibitor. The photoinitiator may be effective to generate a first reactant upon the absorption of at least one photon of a particular wavelength of light. The first reactant may be effective to render the resin soluble or insoluble in a photoresist developer. The photoinhibitor may be effective to generate a second reactant upon the absorption of at least one photon of the particular wavelength of light. The second reactant may be effective to inhibit the first reactant. | 02-06-2014 |
20140045100 | Metal Air Battery Including a Composite Anode - Implementations and techniques for metal air batteries including a composite anode are generally disclosed. | 02-13-2014 |
20140151288 | GRAPHENE MEMBRANE LAMINATED TO POROUS WOVEN OR NONWOVEN SUPPORT - Technologies are generally described for composite membranes which may include a porous graphene layer in contact with a porous support substrate. In various examples, a surface of the porous support substrate may include at least one of: a thermo-formed polymer characterized by a glass transition temperature, a woven fibrous membrane, and/or a nonwoven fibrous membrane. Examples of the composite membranes permit the use of highly porous woven or nonwoven fibrous support membranes instead of intermediate porous membrane supports. In several examples, the composite membranes may include porous graphene layers directly laminated onto the fibrous membranes via the thermo-formed polymers. The described composite membranes may be useful for separations, for example, of gases, liquids and solutions. | 06-05-2014 |
20140154464 | GRAPHENE MEMBRANE WITH SIZE-TUNABLE NANOSCALE PORES - Technologies are generally described for a graphene membrane with uniformly-sized nanoscale pores that may be prepared at a desired size using colloidal lithography. A graphene monolayer may be coated with colloidal nanoparticles using self-assembly, followed by off-axis metal layer deposition, for example. The metal layer may form on the colloidal nanoparticles and on portions of the graphene not shadowed by the nanoparticles. The nanoparticles may be removed to leave a negative metal mask that exposes the underlying graphene through holes left by the removed nanospheres. The bare graphene may be etched to create pores using an oxygen plasma or similar material, while leaving metal-masked regions intact. Pore size may be controlled according to size of colloidal nanoparticles and angle of metal deposition relative to the substrate. The process may result in a dense, hexagonally packed array of uniform holes in graphene for use as a membrane, especially in liquid separations. | 06-05-2014 |
20140154811 | GAS DETECTION DEVICE WITH GRAPHENE MEMBRANE - Technologies are generally described for gas filtration and detection devices. Example devices may include a graphene membrane and a sensing device. The graphene membrane may be perforated with a plurality of discrete pores having a size-selective to enable one or more molecules to pass through the pores. A sensing device may be attached to a supporting permeable substrate and coupled with the graphene membrane. A fluid mixture including two or more molecules may be exposed to the graphene membrane. Molecules having a smaller diameter than the discrete pores may be directed through the graphene pores, and may be detected by the sensing device. Molecules having a larger size than the discrete pores may be prevented from crossing the graphene membrane. The sensing device may be configured to identify a presence of a selected molecule within the mixture without interference from contaminating factors. | 06-05-2014 |
20140230733 | GRAPHENE DEFECT ALTERATION - Technologies are generally described for a method and system configured effective to alter a defect area in a layer on a substrate including graphene. An example method may include receiving and heating the layer to produce a heated layer and exposing the heated layer to a first gas to produce a first exposed layer, where the first gas may include an amine. The method may further include exposing the first exposed layer to a first inert gas to produce a second exposed layer and exposing the second exposed layer to a second gas to produce a third exposed layer where the second gas may include an alane or a borane. Exposure of the second exposed layer to the second gas may at least partially alter the defect area. | 08-21-2014 |
20150079683 | METHODS AND SYSTEMS FOR LABELING AND DETECTING DEFECTS IN A GRAPHENE LAYER - Fluorophores or other indicators can be used to label and identify one or more defects in a graphene layer by localizing at the one or more defects and not at other areas of the graphene layer. A substrate having a surface at least partially covered by the graphene layer may be contacted with the fluorophore such that the fluorophore selectively binds with one or more areas of the surface of the underlying substrate exposed by the one or more defects. The one or more defects can be identified by exposing the substrate to radiation. A detected fluorescence response of the fluorophore to the radiation identifies the one or more defects. | 03-19-2015 |