Patents and Patent Applications from Princeton University


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7638356 Controlled growth of larger heterojunction interface area for organic photosensitive devices  
An optoelectronic device and a method of fabricating a photosensitive optoelectronic device includes depositing a first organic semiconductor material on a first electrode to form a continuous...
7635262 Lithographic apparatus for fluid pressure imprint lithography  
Improved apparatus for imprint lithography involves using direct fluid pressure to press a mold into a substrate-supported film. Advantageously the mold and/or substrate are sufficiently flexible...
US20090297647 Assays, method and compositions that exploit a mycobacterial iron acquistion pathway in cells  
Assays for the identification of antibacterial agents that inhibit mycobacterial growth by interfering with the iron acquisition pathway in host cells are disclosed. Also disclosed are methods of...
US20090291878 MODULATORS OF PROTEIN PHOSPHATASE 2A HOLOENYME  
Atomic coordinates for human serine/threonine protein phosphotase 2A (PP2A) holoenzyme, as well as methods for using these atomic coordinates to prepare inhibitors of PP2A and inhibitors prepared...
US20090286873 AI-2 compounds and analogs based on Salmonella typhimurium LsrB structure  
This invention relates to crystals comprising apo-LsrB and holo-LsrB. The structure of holo-LsrB identifies a tetrahydroxytetrahydrofuran derived from 4,5-dihydroxy-2,3-pentanedione (DPD) as the...
US20090274682 DEMETHYLATION AND INACTIVATION OF PROTEIN PHOSPHATASE 2A  
Embodiments of the present invention relate to atomic coordinates for PME-1 alone or in complex with PP2A, as well as methods for using these atomic coordinates to prepare inhibitors of PME-1...
US20090274222 System and Method for Initial Ranging in Wireless Communication Systems  
A system and method for initial ranging in wireless communication systems is provided. A plurality of orthogonal frequency division multiplexing (OFDM) blocks are received by an OFDMA base station...
US20090264307 ARRAY-BASED POLYMORPHISM MAPPING AT SINGLE NUCLEOTIDE RESOLUTION  
Disclosed herein is a system useful for detecting sequence differences (e.g., single-nucleotide polymorphisms) between genomes using data from a single hybridization with a genomic DNA microarray,...
US20090263798 Method For Identification Of Novel Physical Linkage Of Genomic Sequences  
The invention is directed to methods to identify the location in a genome of a nonfixed or multicopy genomic element using microarrays or sequencing.
7601910 Organic photovoltaic devices  
The present invention generally relates to organic photosensitive optoelectronic devices. More specifically, it is directed to organic photovoltaic devices, e.g., organic solar cells. Further, it...
7598381 Near-infrared emitting organic compounds and organic devices using the same  
Certain iridium compounds which may comprise an iridium(III)-ligand complex having the general formula: (C^N) 2 —Ir—(N^N). (C^N) and (N^N) may each represent a ligand coordinated to an iridium...
7597927 Solar cells  
Organic photosensitive optoelectronic devices are disclosed. The devises are thin-film crystalline organic optoelectronic devices capable of generating a voltage when exposed to light, and prepared...
7597791 Method and apparatus for generating electric fields and flow distributions for rapidly separating molecules  
A method and apparatus for generating tunable, uniform electric fields in fluidic applications for rapid separation of molecules, such as DNA, is provided. A region receives the molecules to be...
US20090239244 MODULATORS OF PROTEIN PHOSPHATASE 2A AND PP2A METHYL ESTERASE  
The disclosure relates to modulation of protein phosphorylation, including information derived from the structures and activities of the proteins designated protein phosphatase 2A (PP2A) and PP2A...
7592539 Solid state photosensitive devices which employ isolated photosynthetic complexes  
Solid state photosensitive devices including photovoltaic devices are provided which comprise a first electrode and a second electrode in superposed relation; and at least one isolated Light...
7592144 Bacterial ligand-binding sensor  
The invention relates to fusion proteins and bacteria encoding them. The fusion proteins include a ligand-binding domain interposed between the splicing domains of an intein. An auxotroph-relieving...
US20090233858 STRUCTURE OF A PROTEIN PHOSPHATASE 2A HOLOENZYME: INSIGHTS INTO TAU DEPHOSPHORYLATION  
Embodiments of the present invention relate to crystals and atomic coordinates for PP2A, as well as methods for using these atomic coordinates to prepare modulators of PP2A and inhibitors prepared...
7588657 Pattern-free method of making line gratings  
In accordance with the invention, substrate-supported linear arrays are formed by the steps of adhering a thin layer of polymer between a pair of substrates and separating the substrates...
US20090219617 SHORT-WAVELENGTH POLARIZING ELEMENTS AND THE MANUFACTURE AND USE THEREOF  
While gold wire grids have been used to polarize infrared wavelengths for over a hundred years, they are not appropriate for shorter wavelengths due to their large period. With embodiments of the...
7579773 Organic light-emitting device with a phosphor-sensitized fluorescent emission layer  
The present invention relates to organic light emitting devices (OLEDs), and more specifically to OLEDS that emit light using a combination of fluorescent emitters and phosphorescent emitters. The...
7569285 Enhanced bonding layers on titanium materials  
The present invention provides a dense-coverage, adherent phosphorous-based coating on the native oxide surface of a material. Disclosed phosphorous-based coatings include phosphate and...
7561772 Organic devices having a fiber structure  
A photoactive fiber is provided, as well as a method of fabricating such a fiber. The fiber has a conductive core including a first electrode. An organic layer surrounds and is electrically...
7560869 Method and apparatus for remotely monitoring properties of gases and plasmas  
A method and apparatus for remotely monitoring properties of gases and plasmas is disclosed. A laser beam is focused at a desired region within a gas or plasma to be analyzed, generating an ionized...
7553560 Organometallic compounds and emission-shifting organic electrophosphorescence  
Emissive phosphorescent organometallic compounds are described that produce improved electroluminescence, particularly in the blue region of the visible spectrum. Organic light emitting devices...
US20090156535 MicroRNAs for Modulating Herpes Virus Gene Expression  
An algorithm for identification of microRNA (miRNA) targets within viral and cellular RNA is disclosed. Also disclosed are essential herpes virus genes whose transcripts contain one or more targets...
7547726 AI-2 compounds and analogs based on Salmonella typhimurium LsrB structure  
This invention relates to crystals comprising apo-LsrB and holo-LsrB. The structure of holo-LsrB identifies a tetrahydroxytetrahydrofuran derived from 4,5-dihydroxy-2,3-pentanedione (DPD) as the...
US20090148714 METHOD OF PREPARING HIGH DENSITY METAL OXIDE LAYERS AND THE LAYERS PRODUCED THEREBY  
A method for the production of an oxide layer, involving oxidizing a metal surface, wherein the metal surface is electrically connected to an electronic control unit (ECU); wherein the metal...
US20090143515 BRIDGED GRAPHITE OXIDE MATERIALS  
Bridged graphite oxide material comprising graphite sheets bridged by at least one diamine bridging group. The bridged graphite oxide material may be incorporated in polymer composites or used in...
US20090138534 Microprocessor Shifter Circuits Utilizing Butterfly and Inverse Butterfly Routing Circuits, and Control Circuits Therefor  
Microprocessor shifter circuits utilizing butterfly and inverse butterfly circuits, and control circuits therefor, are provided. The same shifter circuits can also perform complex bit manipulations...
7537844 Organometallic complexes as phosphorescent emitters in organic leds  
Organic light emitting devices are described wherein the emissive layer comprises a host material containing an emissive molecule, which molecule is adapted to luminesce when a voltage is applied...
US20090127514 ELECTROSPRAY PAINTED ARTICLE CONTAINING THERMALLY EXFOLIATED GRAPHITE OXIDE AND METHOD FOR THEIR MANUFACTURE  
A painted polymer part containing a conductive polymer composition containing at least one polymer and a modified graphite oxide material, which is a thermally exfoliated graphite oxide with a...
US20090123843 SUPERCAPACITOR AND BATTERY ELECTRODE CONTAINING THERMALLY EXFOLIATED GRAPHITE OXIDE  
A supercapacitor or battery electrode containing a modified graphite oxide material, which is a thermally exfoliated graphite oxide with a surface area of from about 300 m 2 /g to 2600 m 2 /g.
US20090123752 SEPARATION MEDIUM CONTAINING THERMALLY EXFOLIATED GRAPHITE OXIDE  
A separation medium, such as a chromatography filling or packing, containing a modified graphite oxide material, which is a thermally exfoliated graphite oxide with a surface area of from about 300...
US20090121189 SYNTHESIS OF BIO-FUNCTIONALIZED RARE EARTH DOPED UPCONVERTING NANOPHOSPHORS  
Methods for preparing rare earth doped monodisperse, hexagonal phase upconverting nanophosphors, the steps of which include: dissolving one or more rare earth precursor compounds and one or...
US20090111411 System and Method for Blind Estimation of Multiple Carrier Frequency Offsets and Separation of User Signals in Wireless Communications Systems  
A system and method for blind estimation of carrier frequency offsets (CFOs) and separation of user signals in wireless communications systems are provided. Blind estimation of CFOs (i.e., without...
US20090104474 FUNCTIONALIZED SUBSTRATES AND METHODS OF MAKING SAME  
Polymer substrates including adhesion layers for activating the surface of the substrate are provided, thereby allowing the substrate to react with organic, inorganic, metallic and/or...
7521928 Subfemtotesla radio-frequency atomic magnetometer for nuclear quadrupole resonance detection  
A radio-frequency tunable atomic magnetometer for detection of nuclear quadrupole resonance (NQR) from room temperature solids, including detection of nitrogen-containing explosives placed external...
US20090084492 MICROSCALE PATTERNING AND ARTICLES FORMED THEREBY  
The present invention is directed to a lithographic method and apparatus for creating micrometer sub-micrometer patterns in a thin film coated on a substrate. The invention utilizes the...
7510946 Method for filling of nanoscale holes and trenches and for planarizing of a wafer surface  
A processing method for use in the fabrication of fabrication of nanoscale electronic, optical, magnetic, biological, and fluidic devices and structures, for filling nanoscale holes and trenches,...
7504355 Supported metal catalyst with improved thermal stability  
Catalytic systems are provided that include a metallic catalyst attached to a ceramic support that has alumina as a principal ingredient. The ceramic support is doped with an adhesive agent so that...
7504263 Method for enhanced evanescent field exposure in an optical fiber resonator for spectroscopic detection and measurement of trace species  
A method for detection and measurement of trace species in a gas or liquid sample is provided. The method comprises forming a sensor from an optical fiber by tapering a portion the optical fiber...
7504068 Apparatus for enhanced evanescent field exposure in an optical fiber resonator for spectroscopic detection and measurement of trace species  
An apparatus for detection and measurement of trace species in a gas or liquid sample. A sensor of a ring down cell formed from an optical fiber is exposed to the sample gas or liquid. A coherent...
US20090054581 TIRE CONTAINING THERMALLY EXFOLIATED GRAPHITE OXIDE  
A tire, tire lining or inner tube, containing a polymer composite, made of at least one rubber and/or at least one elastomer and a modified graphite oxide material, which is a thermally exfoliated...
US20090054578 AUTOMOTIVE BODY PANEL CONTAINING THERMALLY EXFOLIATED GRAPHITE OXIDE  
An automotive body panel containing a polymer composite formed of at least one polymer and a modified graphite oxide material, which is a thermally exfoliated graphite oxide with a surface area of...
US20090054272 EMULSIFIER CONTAINING THERMALLY EXFOLIATED GRAPHITE OXIDE  
An emulsifier containing a modified graphite oxide material, which is a thermally exfoliated graphite oxide with a surface area of from about 300 m 2 /g to 2600 m 2 /g.
US20090053437 GAS STORAGE CYLINDER FORMED FROM A COMPOSITION CONTAINING THERMALLY EXFOLIATED GRAPHITE  
A gas storage cylinder or gas storage cylinder liner, formed from a polymer composite, containing at least one polymer and a modified graphite oxide material, which is a thermally exfoliated...
US20090053433 PACKAGING MATERIAL AND FLEXIBLE MEDICAL TUBING CONTAINING THERMALLY EXFOLIATED GRAPHITE OXIDE  
A packaging material or flexible medical tubing containing a modified graphite oxide material, which is a thermally exfoliated graphite oxide with a surface area of from about 300 m 2 /g to 2600 m...
7491892 Stretchable and elastic interconnects  
The present invention relates to stretchable interconnects which can be made in various geometric configurations, depending on the intended application. The stretchable interconnects can be formed...
7488542 OLEDs doped with phosphorescent compounds  
Organic light emitting devices are disclosed which are comprised of a heterostructure for producing electroluminescence wherein the heterostructure is comprised of an emissive layer containing a...
US20090028792 NANO-PARTICLE SURFACE MODIFICATION  
Oxide, oxysulfide, halide or phosphate host particles with a self-assembled organophosphonate monolayer covalently bonded thereto. Methods for coating the host particles and use of rare earth...