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Rensselaer Polytechnic Institute patents

Recent patent applications related to Rensselaer Polytechnic Institute. Rensselaer Polytechnic Institute is listed as an Agent/Assignee. Note: Rensselaer Polytechnic Institute may have other listings under different names/spellings. We're not affiliated with Rensselaer Polytechnic Institute, we're just tracking patents.

ARCHIVE: New 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 | Company Directory "R" | Rensselaer Polytechnic Institute-related inventors

Grain boundary engineering of polycrystalline shape memory alloys by phase manipulation for enhanced mechanical ductility and application fatigue life

Provided is a method of making a polycrystalline shape memory alloy (sma) by forming an alloy with grains and boundaries between them, exposing the alloy to a two-phase temperature range at which a two-phase equilibrium is achieved in the alloy, converting grains to an austenite phase, and precipitating a face-centered-cubic crystal structure solid solution phase at grain boundaries, then quenching the alloy. Also provided is a polycrystalline sma with a dual-phase microstructure having grains mostly in an austenite phase, a martensite phase, or in transition between an austenite phase and a martensite phase and grain boundaries containing a face-centered-cubic crystal structure solid solution phase.. ... Rensselaer Polytechnic Institute

Simultaneous ct-mri image reconstruction

Novel and advantageous systems and method for obtaining and/or reconstructing simultaneous computed tomography (ct)-magnetic resonance imaging (mri) images are provided. Structural coupling (sc) and compressive sensing (cs) techniques can be combined to unify and improve ct and mri reconstruction. ... Rensselaer Polytechnic Institute

Graphene fiber and method of manufacturing same

Embodiments of the invention relate generally to graphene fibers and, more particularly, to graphene fibers comprising intercalated large-sized graphene oxide (lggo)/graphene sheets and small-sized graphene oxide (smgo)/graphene sheets having high thermal and electrical conductivities and high mechanical strength. In one embodiment, the invention provides a graphene fiber comprising: a plurality of intercalated graphene sheets including: a plurality of large-sized graphene sheets; and a plurality of small-sized graphene sheets, wherein at least one of the plurality of small-sized graphene sheets is disposed between at least two of the plurality of large-sized graphene sheets.. ... Rensselaer Polytechnic Institute

Compositions and methods to modulate cell activity

The present invention provides methods and compositions for the remote control of cell function based on the use of a magnetic field to excite paramagnetic nanoparticles targeted to specific cell types. The cell type of interest expresses an ion channel wherein excitation of the paramagnetic nanoparticles results in a physical change that is transduced into a cellular response. ... Rensselaer Polytechnic Institute

Methods, systems, and assemblies for cooling an electronic component

Methods, systems, and assemblies for cooling an electronic component are disclosed. A heat sink assembly includes first and second substrates. ... Rensselaer Polytechnic Institute

Combination of an x-ray tube and a source grating with electron beam manipulation

Novel and advantageous systems and methods for performing x-ray imaging by using an x-ray source with source grating functionality incorporated therein are provided. An electron beam can be electromagnetically manipulated such that the x-ray source emits radiation in a pattern that is the same as if the radiation had already passed through a source grating.. ... Rensselaer Polytechnic Institute

Apparatus and method for k-edge based interior tomography image processing

Provided are an apparatus and method for k-edge based interior tomography image processing. The apparatus efficiently performs tomography image reconstruction by acquiring different material images using an energy-selective detector, such as a photon counting detector. ... Rensselaer Polytechnic Institute

Sound masking in open-plan spaces using natural sounds

A system, method and program product for generating sound masking in an open-plan space. A method is disclosed that includes: establishing a set of acoustic criteria for the space that specifies minimum output levels at a set of specified frequencies; mixing sound samples to create an audio output stream for use as sound masking when broadcast over at least one speaker using a power amplifier; and processing the audio output stream, wherein the processing includes: analyzing the audio output stream with a spectrum analyzer to determine if the minimum output levels at the set of specified frequencies are met; and level adjusting the audio output stream with an equalizer to ensure that minimum output levels at the set of specified frequencies are met but do not exceed a given threshold above the minimum level.. ... Rensselaer Polytechnic Institute

Coprime microphone array system

A coprime microphone array (cma) system, comprising: a cma arrangement that includes a pair of uniform linear microphone subarrays that are coincident and have a coprime number of microphones; a computing system that processing signals from each microphone in the cma arrangement and generates sound localization information.. . ... Rensselaer Polytechnic Institute

Automatic system calibration method of x-ray ct

Systems and methods for geometric calibration and image reconstruction in computed tomography (ct) scanning using iterative reconstruction algorithms are provided. An iterative reconstruction algorithm can be used to reconstruct an improved image, and then the improved image can be used to adjust inaccurate parameters by using a locally linear embedding (lle) method. ... Rensselaer Polytechnic Institute

Conjugate including core and sialic acid or derivative thereof bound to surface of core and use thereof

Provided are a conjugate including a core and sialic acids or derivatives thereof bound to the surface of the core, and use thereof. The conjugate provided in the present invention binds with hemagglutinin on the surface of influenza virus to inhibit the course of infection of influenza virus, thereby preventing or treating infection of influenza virus and also preventing or treating infection of influenza virus resistant to antiviral agents. ... Rensselaer Polytechnic Institute

Modular active structural vibration suppression for wind turbine blades

Systems, methods, and kits for reducing structural vibrations on wind turbine blades are provided. The actual dynamic structural conditions of a wind turbine blade can be used as a feedback mechanism. ... Rensselaer Polytechnic Institute

Solar cell employing phosphorescent materials

A solar cell device having a solid state light absorber region that incorporates a donor-acceptor particle structure. The particle structure includes acceptor particles that generate a flow of electrons in the solid state light absorber region in response to absorbed photons; and donor particles comprising a phosphorescent material, wherein each donor particle is coupled to a group of acceptor particles, and wherein the phosphorescent material absorbs high energy photons and emits lower energy photons that are absorbed by the acceptor particles.. ... Rensselaer Polytechnic Institute

Bone protein extraction without demineralization

Embodiments of the invention relate generally to protein extraction and, more generally, to bone protein extraction methods that do not require demineralization. In one embodiment, the invention provides a method comprising: mixing a bone sample and a quantity of an extraction buffer comprising: ammonium phosphate dibasic; or ammonium phosphate dibasic and ammonium bicarbonate; or ammonium phosphate dibasic, ammonium bicarbonate, and guanidine hcl; or sodium phosphate dibasic and sodium bicarbonate; or sodium phosphate dibasic, sodium bicarbonate, and guanidine hcl; or potassium phosphate dibasic and potassium bicarbonate; or potassium phosphate dibasic, potassium bicarbonate, and guanidine hcl; and incubating the bone sample/extraction buffer mixture.. ... Rensselaer Polytechnic Institute

12/21/17 / #20170362585

Methods and apparatus for x-genetics

Methods and systems of using x-ray radiation to irradiate x-ray sensitive biomolecules to allow for specific control over the behavior of cells via the x-ray irradiation are provided. The systems and methods are influenced by the field of optogenetics, which uses visible light instead of x-ray radiation. ... Rensselaer Polytechnic Institute

12/21/17 / #20170360385

Novel spectral ct systems and methods

Novel and advantageous methods and systems for performing spectral computed tomography are provided. An edge-on detector, such as a silicon strip detector, can be used to receive x-rays after passing through a sample to be imaged. ... Rensselaer Polytechnic Institute

12/14/17 / #20170356603

Scattered-photon extraction-based light fixtures

A light fixture includes a light source, a wavelength-conversion material, and a reflector. The light source is configured to emit a first radiation, and has a front surface and a back surface. ... Rensselaer Polytechnic Institute

12/14/17 / #20170355811

Novel polymers and methods for their manufacture

Embodiments of the invention relate to a novel class of polymers with superior mechanical properties and chemical stability, as compared to known polymers. These polymers are particularly well suited for use in anion exchange membranes (aems), including those employed in fuel cells. ... Rensselaer Polytechnic Institute

10/05/17 / #20170283759

Nanocomposite scaffold for the in vitro isolation of cells

The present invention is directed to devices, methods and kits for cell-specific sorting of cells from a mixed population, e.g., from a tumor sample. Aspects of the invention combine aligned, electrospun microfibers with drug-or protein-releasing nanospheres to isolate cancer cells from tumor biopsies.. ... Rensselaer Polytechnic Institute

09/07/17 / #20170253843

In vitro culture model of anisotropic to isotropic transitions

Cell culture devices, and related methods and kits, for modeling isotropic-to-anisotropic cellular transitions are provided. The devices can include a substrate having an isotropic film surface with one or more regions of aligned fibers dispersed thereon.. ... Rensselaer Polytechnic Institute

08/24/17 / #20170245339

N-color scalable led driver

Light-emitting diode (led) driver systems that are scalable and can be used for n-color led systems are provided. An led system having n led strings of different color can be efficiently driven with independently controllable constant current sources for each string from a single power source. ... Rensselaer Polytechnic Institute

08/24/17 / #20170243597

Binaurally integrated cross-correlation auto-correlation mechanism

A sound processing system, method and program product for estimating parameters from binaural audio data. A system is provided having: a system for inputting binaural audio; and a binaural signal analyzer (bicam) that: performs autocorrelation on both the first channel and second channel to generate a pair of autocorrelation functions; performs a first layer cross-correlation between the first channel and second channel to generate a first layer cross-correlation function; removes the center peak from the first layer cross-correlation function and a selected autocorrelation function to create a modified pair; performs a second layer cross-correlation between the modified pair to determine a temporal mismatch; generates a resulting function by replacing the first layer cross correlation function with the selected autocorrelation function using the temporal mismatch; and utilizes the resulting function to determine itd parameters and interaural level difference ild parameters of the direct sound components and reflected sound components.. ... Rensselaer Polytechnic Institute

08/10/17 / #20170229330

Directed self-assembly of electronic components using diamagnetic levitation

Embodiments of the invention relate generally to directed self-assembly (dsa) and, more particularly, to the dsa of electronic components using diamagnetic levitation.. . ... Rensselaer Polytechnic Institute

07/27/17 / #20170213534

Interactive, expressive music accompaniment system

. . Systems and methods capable of providing adaptive and responsive accompaniment to music with fixed chord progressions, such as jazz and pop, are provided. A system can include one or more sound-capturing devices, a signal analyzer to analyze captured sound signals, and an electronic sound-producing component that produces electronic sounds as an accompaniment.. ... Rensselaer Polytechnic Institute

07/27/17 / #20170211837

Collaborative energy management system

A collaborative energy management system, method and program product for a multi-zone space. A system is disclosed including: a plurality of environment sensors located throughout the multi-zone space; an adaptive learning system that collects environment data from the environment sensors and generates a correlation model that correlates historical environment data with hvac settings; and an optimization system that utilizes the correlation model, inputted preferences received from a plurality of occupants within the multi-zone space, and energy usage goals to periodically generate new hvac settings for controlling an hvac system for the multi-zone space.. ... Rensselaer Polytechnic Institute

07/20/17 / #20170207493

Scalable silicon anodes and the role of parylene films in improving electrode performance characteristics in energy storage systems

A lithium-based energy storage system includes an electrolyte and an electrode. The electrode has a conformal coating of parylene. ... Rensselaer Polytechnic Institute

07/20/17 / #20170203289

Anion exchange membranes and polymers for use in same

Embodiments of the invention relate generally to anion exchange membranes and, more particularly, to anion exchange membranes comprising a styrene block copolymer and methods for their manufacture. In one embodiment, the invention provides a polymer according to formula iv, wherein x and y are mol %, qa is or each of r1 and r2 is, independently, a linear alkyl chain or a cyclic alkyl chain, and z is selected from a group consisting of: a linear alkyl chain, a cyclic alkyl chain, and an alkylene ether chain.. ... Rensselaer Polytechnic Institute

07/13/17 / #20170198093

Oxetane polymers and methods of preparation thereof

The invention is directed to processes for preparation of oxetane polymers, wherein an epoxide accelerant is reacted with one or more equivalents of a 3-monosubstituted oxetane or a 3,3-disubstituted oxetane, wherein the epoxide accelerant is selected from the group consisting of 2,2-substituted epoxide, 2,2,3-substituted epoxide, 2,2,3,3-substituted epoxide, and mixtures thereof. Also disclosed are oxetane polymers prepared by the processes of the invention.. ... Rensselaer Polytechnic Institute

07/06/17 / #20170189857

Anti-fouling chiral surfaces for membrane filtration and methods therefor

The present disclosure relates to, inter alia, a modified surface comprising an optically active monomer, a polymeric material having a surface onto which the optically active monomer is covalently bound. In one aspect, a membrane comprising an optically active monomer, a poly(aryl sulfone) membrane having a surface onto which the optically active monomer is covalently bound. ... Rensselaer Polytechnic Institute

06/29/17 / #20170182282

Luminous roof for nicu incubators for regulating circadian rhythms in infants and for providing high visibility of infant anatomy for healthcare staff

Multipurpose lighting systems and methods of providing controllable lighting are provided. A lighting system includes a sheet of flexible material, a plurality of light sources and a controller. ... Rensselaer Polytechnic Institute

06/22/17 / #20170181244

Flash lighting with optimized power-distribution

Flash light-generating methods and systems are provided, which, in one aspect, include: obtaining one or more measurements of existing light on or around an illumination target; ascertaining a desired color attribute(s) for a combined light to be provided on the illumination target, the combined light including the existing light and a flash light to be generated; determining a flash light spectral power distribution of illumination which achieves a combined light spectral power distribution of illumination on the illumination target having the desired color attribute(s), the determining using, in part, the measurement(s) of existing light, and the desired color attribute(s) for the combined light; and generating the flash light with the determined flash light spectral power distribution of illumination to provide the combined light on the illumination target having the combined light spectral power distribution of illumination with the desired color attribute(s).. . ... Rensselaer Polytechnic Institute

06/15/17 / #20170170025

Selective, electrochemical etching of a semiconductor

Methods for facilitating fabricating semiconductor structures are provided which include: providing a multilayer structure including a semiconductor layer, the semiconductor layer including a dopant and having an increased conductivity; selectively increasing, using electrochemical processing, porosity of the semiconductor layer, at least in part, the selectively increasing porosity utilizing the increased conductivity of the semiconductor layer; and removing, at least in part, the semiconductor layer with the selectively increased porosity from the multilayer structure. By way of example, the selectively increasing porosity may include selectively, anodically oxidizing, at least in part, the semiconductor layer of the multilayer structure.. ... Rensselaer Polytechnic Institute

06/15/17 / #20170165345

Nanoparticles for immune stimulation

The invention relates, in part, to nanoparticles, methods for preparing nanoparticles and methods of administering nanoparticles for immune stimulation. An immune-stimulating nanoparticle of the invention may include, at least in part, a polymer substrate comprising a biodegradable polymer and may include at least one antigen and/or at least one adjuvant.. ... Rensselaer Polytechnic Institute

05/18/17 / #20170139060

Fabricating radiation-detecting structures

Methods for fabricating radiation-detecting structures are presented. The methods include, for instance: fabricating a radiation-detecting structure, the fabricating including: providing a semiconductor substrate, the semiconductor substrate having a plurality of cavities extending into the semiconductor substrate from a surface thereof; and electrophoretically depositing radiation-detecting particles of a radiation-detecting material into the plurality of cavities extending into the semiconductor substrate, where the electrophoretically depositing fills the plurality of cavities with the radiation-detecting particles. ... Rensselaer Polytechnic Institute

05/11/17 / #20170135177

Occupancy sensing smart lighting system

A smart lighting system and method that estimates occupancy using perturbation-modulated light and distributed non-imaging color sensors. A system is disclosed that includes a plurality of non-imaging color sensors; a plurality of color controllable lights; a system that perturbs the color controllable lights within a space; a system that collects resulting color information from the non-imaging color sensors, and builds a light transport model based on collected color information; a system that estimates an occupancy pattern or distribution within a space; and an adjustment module that adjusts the color controllable lights based on the light transport model and a predefined control strategy.. ... Rensselaer Polytechnic Institute

05/11/17 / #20170133543

Radiation-detecting structures and fabrication methods thereof

Radiation detecting-structures and fabrications methods thereof are presented. The methods include, for instance: providing a substrate, the substrate including at least one trench extending into the substrate from an upper surface thereof; and epitaxially forming a radiation-responsive semiconductor material layer from one or more sidewalls of the at least one trench of the substrate, the radiation-responsive semiconductor material layer responding to incident radiation by generating charge carriers therein. ... Rensselaer Polytechnic Institute

05/04/17 / #20170121748

Microbial polycultures and methods of use thereof

Disclosed herein are novel microbial polycultures of two or more cell strains, capable of producing flavanones, flavonoids, and anthocyanidin-3-o-glucosides, and methods of use thereof. Also disclosed is a microbial cell capable of producing phenylpropanoic acids, and methods of use thereof.. ... Rensselaer Polytechnic Institute

04/06/17 / #20170099713

Systems and methods for lighting an environment

. . Systems and methods for lighting an environment are disclosed. A lighting system includes at least one light source and a control system in communication with the at least one light source. ... Rensselaer Polytechnic Institute

04/06/17 / #20170095382

Mobile human-friendly assistive robot

A robotic assistant, associated software and methodology for operating the same. The described robotic assistant includes: a motorized base having at least two motor driven wheels controlled by a first control platform; a dual arm robot mounted on the motorized base, the dual arm robot having a first arm and a second arm controlled by a second control platform; a remote sip and puff mouth controller having three degrees of operational freedom; and a computer system that receives command signals from the remote sip and puff mouth controller, and includes an algorithm that translates the command signals into a first type of control signal for directing the motorized base to move, and a second type of control signal for directing the dual arm robot to move.. ... Rensselaer Polytechnic Institute

03/23/17 / #20170084760

Ultra-low reflectance broadband omni-directional anti-reflection coating

An anti-reflection coating has an average total reflectance of less than 10%, for example less than 5.9% such as from 4.9% to 5.9%, over a spectrum of wavelengths of 400-1100 nm and a range of angles of incidence of 0-90 degrees with respect to a surface normal of the anti-reflection coating. An anti-reflection coating has a total reflectance of less than 10%, for example less than 6% such as less than 4%, over an entire spectrum of wavelengths of 400-1600 nm and an entire range of angles of incidence of 0-70 degrees with respect to a surface normal of the anti-reflection coating.. ... Rensselaer Polytechnic Institute

02/16/17 / #20170047588

Porous graphene network electrodes and an all-carbon lithium ion battery containing the same

Systems for the production of graphene oxide sheets are provided. The systems include electro-deposition and spray deposition techniques. ... Rensselaer Polytechnic Institute

02/16/17 / #20170044327

Matrix-free polymer nanocomposites and related products and methods thereof

The present disclosure relates to a matrix-free polymer nanocomposite. The matrix-free polymer nanocomposite includes a plurality of polymer brush grafted nanoparticles, which form the nanocomposite in the absence of a polymeric matrix. ... Rensselaer Polytechnic Institute

02/16/17 / #20170043041

Nanoparticle-enabled x-ray magnetic resonance imaging (nxmri)

Imaging systems and methods are provided. Systems and methods of the subject invention can include the use of nanoparticles (for example, nanophosphors) within a sample to be imaged. ... Rensselaer Polytechnic Institute

01/12/17 / #20170009573

Method and apparatus for acoustical power transfer and communication using steel wedges

Systems and methods for transmitting power and information using acoustic energy produced by transducers are provided. The systems have particular application for powering and communication with electronics through drilling and pipe systems. ... Rensselaer Polytechnic Institute

01/05/17 / #20170003000

Lighting source using solid state emitter and phosphor materials

A light-emitting apparatus includes a base, a first semiconductor radiation emitting diode, having a top surface and a side wall, disposed on the base, a transparent structure disposed on the base and surrounding the side wall and covering the top surface, and a phosphor structure placed within the transparent structure surrounding the side wall and covering the top surface. The first semiconductor radiation emitting diode has a width smaller than that of the base and is configured to emit a light which can be converted into a forward transferred down-converted radiation light and a back transferred down-converted radiation light by the phosphor structure. ... Rensselaer Polytechnic Institute

01/05/17 / #20170000438

Energy modulated luminescence tomography

The present approach generally relates to systems and methods for implementing energy modulated tomographic imaging of nanoparticles. In certain embodiments, a first energy is used to activate probe particles labeling an anatomy or tissue of interest. ... Rensselaer Polytechnic Institute

ARCHIVE: New 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009


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