Li, Houston
Busheng Li, Houston, TX US
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20090194282 | IN SITU OXIDATION OF SUBSURFACE FORMATIONS - Methods and systems for treating a hydrocarbon containing formation described herein include providing heat to a first portion of the formation from a plurality of heaters in the first portion, producing produced through one or more production wells in a second portion of the formation, reducing or turning off heat provided to the first portion after a selected time, providing an oxidizing fluid through one or more of the heater wells in the first portion, providing heat to the first portion and the second portion through oxidation of at least some hydrocarbons in the first portion, and producing fluids through at least one of the production wells in the second portion. The produced fluids may include at least some oxidized hydrocarbons produced in the first portion. | 08-06-2009 |
Chunlou Li, Houston, TX US
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20140299318 | METHOD OF INCREASING FRACTURE NETWORK COMPLEXITY AND CONDUCTIVITY - A complex fracture network within a hydrocarbon-bearing subterranean formation is created by first pumping a first fluid into the formation to create or enlarge a primary fracture and then pumping a second fluid into the formation wherein the second fluid contains a viscous material and the first fluid. By diverting the flow of the second flow, a secondary fracture is created having a directional orientation distinct from the directional orientation of the primary fracture. | 10-09-2014 |
Dalong Li, Houston, TX US
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20100158373 | METHODS AND APPARATUS FOR AUTO IMAGE BINARIZATION - A threshold determination method is selected from among a plurality of alternative global thresholding determination methods and, optionally, a local thresholding determination method based on characteristics of a histogram of grayscales values representing an image. When it is determined to use a global thresholding method, a single global binarization threshold value is determined using the selected global thresholding method. Various alternative global binarization threshold values include a predetermined constant, an average value of the two grayscale values, an Otsu method based threshold value, a Newton method based threshold value, and an Otsu method based threshold value based on a truncated version of the histogram. When it is determined to use local thresholding, a plurality of local binarization threshold values are determined corresponding to different non-overlapping blocks of the image. The determined binarization threshold(s) are applied to the gray scale pixel values to obtain a set of binary pixel values. | 06-24-2010 |
De-Quan Li, Houston, TX US
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20140314798 | METHOD TO MEASURE INFLAMMATION IN THE CONJUNCTIVA OF PATIENTS WITH TEAR DYSFUNCTION - The present invention concerns methods and compositions for treatment and determination of the presence or likelihood of an individual to have an ocular surface inflammation. In specific embodiments, a sample from the individual is assayed for the expression level of three or more genes, including IL-6, MMP3, MMP9, IFNy, SPRR-IA, HLA-DRA, MUC5AC, K7, and IL17A. Treatment is provided to an individual with ocular surface inflammation based upon the gene analysis. | 10-23-2014 |
Dongming Li, Houston, TX US
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20100133714 | BIMODAL POLYETHYLENE COMPOSITIONS FOR BLOW MOLDING APPLICATIONS - Bimodal polyethylene compositions and methods for making the same are provided. In at least one specific embodiment, the bimodal polyethylene composition can include a high molecular weight component having a weight average molecular weight (Mw) of from about 400,000 to about 950,000. The bimodal polyethylene composition can also include a low molecular weight component having a weight average molecular weight (Mw) of from about 3,000 to about 100,000. The high molecular weight component can be present in an amount ranging from about 25 wt % to about 40 wt % of the bimodal polyethylene composition. The bimodal polyethylene composition can also have a percent die swell of less than about 80%. | 06-03-2010 |
20100234547 | Polymerization Catalysts, Methods of Making, Methods of Using, and Polyolefin Products Made Therefrom - Olefin polymerization catalyst systems including a high molecular weight catalyst compound and a low molecular weight catalyst compound, and methods of making same are provided. High molecular weight catalysts include metallocene catalysts and low molecular weight catalysts include non-metallocene compounds including biphenyl phenol compounds. Generally catalyst systems may include less than about 5.0 mol % of the high molecular weight catalyst compound relative to said low molecular weight catalyst. Methods for olefin polymerization including the aforementioned catalyst systems, and polyolefins and products made therefrom. | 09-16-2010 |
20100261861 | Polymerization Catalysts and Methods of Using the Same to Produce Polyolefin Products - Polymerization catalyst systems including three or more catalyst compounds are provided. Methods for olefin polymerization including the aforementioned catalyst systems are also provided. | 10-14-2010 |
20100298511 | METALLOCENE CATALYSTS AND THEIR USE IN POLYMERIZATION PROCESSES - A process for polymerizing olefin(s) utilizing a cyclic bridged metallocene catalyst system to produce polymers with improved properties is provided. The catalyst system may include a cyclic bridged metallocene, L | 11-25-2010 |
20110098422 | POLYETHYLENE COMPOSITIONS HAVING IMPROVED PROPERTIES - Polyethylene compositions having improved properties are provided. In one aspect, a polyethylene composition having a long chain branching index (g′ | 04-28-2011 |
20110184132 | Catalyst Compositions Comprising Support Materials Having an Improved Particle-Size Distribution - A catalyst composition that includes a support material having an improved particle-size distribution is provided. Processes for producing polyolefin composition also are provided. Polymers and films also are provided. An example of a catalyst composition is a supported multi-transition-metal catalyst composition that includes: (a) at least two catalyst components selected from the group consisting of: a nonmetallocene catalyst component and a metallocene catalyst component; (b) a support material that has a D | 07-28-2011 |
20120046428 | Mixed Metal Catalyst Systems Having a Tailored Hydrogen Response - A polymerization catalyst system and polymerization processes using the catalyst systems are disclosed. The polymerization catalyst systems may include a) a first catalyst compound, and b) a second catalyst compound, wherein the first catalyst compound includes an oxadiazole-containing compound. In some embodiments, the oxadiazole-containing compound has essentially no hydrogen response, thus allowing better and/or tailored control of product properties when producing polymers using the catalyst system. | 02-23-2012 |
20120220747 | BIMODAL POLYETHYLENE COMPOSITIONS FOR BLOW MOLDING APPLICATIONS - Bimodal polyethylene compositions and methods for making the same are provided. In at least one specific embodiment, the bimodal polyethylene composition can include a high molecular weight component having a weight average molecular weight (Mw) of from about 400,000 to about 950,000. The bimodal polyethylene composition can also include a low molecular weight component having a weight average molecular weight (Mw) of from about 3,000 to about 100,000. The high molecular weight component can be present in an amount ranging from about 25 wt % to about 40 wt % of the bimodal polyethylene composition. The bimodal polyethylene composition can also have a percent die swell of less than about 80%. | 08-30-2012 |
20120252994 | Methods for Making Polyolefin Products Having Different Shear Thinning Properties and Haze - Provided is a method for making a polyolefin comprising contacting one or more olefins in a reactor containing a catalyst; polymerizing the one or more olefins to produce an olefin polymer characterized by a first melt flow ratio (MFR) and a first haze; and altering the reaction temperature in the reactor to shift the first MFR to a MFR that is different than the first MFR and to shift the first haze to a haze that is different than the first haze. | 10-04-2012 |
20120271017 | Catalyst Systems Having a Tailored Hydrogen Response - A polymerization catalyst system and polymerization processes using the catalyst systems are disclosed. The polymerization catalyst systems may include a) a first catalyst compound, and b) a second catalyst compound, wherein the first catalyst compound comprises a biphenyl phenol compound having essentially no hydrogen response. | 10-25-2012 |
Guo-Shi Li, Houston, TX US
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20150117143 | METHOD FOR POST-STACK NOISE MITIGATION - Method for mitigating coherent noise and seismic data using an adaptively varying filter. The strongest and most coherent pattern ( | 04-30-2015 |
Harrison J. Li, Houston, TX US
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20140060849 | Cap System for Subsea Equipment - A cap system for subsea equipment that can be employed on various subsea equipment including but not limited to a vertical monobore tree, a horizontal tree, a wellhead and a tubing head spool. The cap system includes a cap assembly that has the flexibility of installation and retrieval for open water as well as a through a riser with a running tool. The cap assembly also does not require any orientation during installation. The cap system includes a debris cap assembly installable in engagement with the cap assembly. The debris cap assembly interfacing with the cap assembly provides the ability to inject and bleed fluids through a main bore and an annulus bore of the subsea tree independently and without removal of the debris cap assembly and cap assembly. | 03-06-2014 |
Huina Li, Houston, TX US
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20150345268 | APPLICATIONS OF ULTRA-LOW VISCOSITY FLUIDS TO STIMULATE ULTRA-TIGHT HYDROCARBON-BEARING FORMATIONS - A method of recovering hydrocarbons from a hydrocarbon-bearing subterranean formation with a matrix permeability of less than 1 mD is disclosed. The method includes injecting a volume of a first fluid having a viscosity lower than the viscosity of water into an injection well present in the formation; separately injecting a volume of a second fluid into the formation before, after, or before and after injecting the first fluid; and producing at least a fraction of the injected volume of the first fluid and hydrocarbons from the formation through a production well present in the formation. | 12-03-2015 |
Jianmin Li, Houston, TX US
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20090070966 | APPARATUS AND METHODS FOR GRIPPING AN ELONGATED ITEM - In some embodiments, apparatus for releasably gripping at least one elongated item and being used in pulling the elongated item(s) through at least one space includes a body and at least three gripping members associated with the body. The gripping members are moveable relative to the body and capable of engaging at least one elongated item. | 03-19-2009 |
Jiasong Li, Houston, TX US
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20160128558 | OPTICAL COHERENCE ELASTOGRAPHY TO ASSESS BIOMECHANICS AND DETECT PROGRESSION OF OCULAR AND OTHER TISSUES DEGENERATIVE DISEASES - An excitation force (internal or external) and phase-sensitive optical coherence elastography (OCE) system, used in conjunction with a data analyzing algorithm, is capable of measuring and quantifying biomechanical parameters of tissues in situ and in vivo. The method was approbated and demonstrated on an example of the system that combines a pulsed ultrasound system capable of producing an acoustic radiation force on the crystalline lens surface and a phase-sensitive optical coherence tomography (OCT) system for measuring the lens displacement caused by the acoustic radiation force. The method allows noninvasive and nondestructive quantification of tissue mechanical properties. The noninvasive measurement method also utilizes phase-stabilized swept source optical coherence elastography (PhS-SSOCE) to distinguish between tissue stiffness, such as that attributable to disease, and effects on measured stiffness that result from external factors, such as pressure applied to the tissue. Preferably, the method is used to detect tissue stiffness and to evaluate the presence of its stiffness even if it is affected by other factors such as intraocular pressure (IOP) in the case of cornea, sclera, or the lens. This noninvasive method can evaluate the biomechanical properties of the tissues in vivo for detecting the onset and progression of degenerative or other diseases (such as keratoconus). | 05-12-2016 |
Joyce Li, Houston, TX US
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20140341578 | ALIGNING AND DIRECTLY OPTICALLY COUPLING PHOTODETECTORS TO OPTICAL DEMULTIPLEXER OUTPUTS IN A MULTICHANNEL RECEIVER OPTICAL SUBASSEMBLY - A multi-channel receiver optical subassembly (ROSA) such as an arrayed waveguide grating (AWG), with outputs directly optically coupled to respective photodetectors such as photodiodes. In one embodiment, an AWG may be configured such that optical components of the AWG do not interfere with direct optical coupling, and the wire bonding points on the photodiodes may also be configured such that wire bonding does not interfere with direct optical coupling. The photodetectors may also be mounted on a photodetector mounting bar with a pitch sufficiently spaced to allow connection to floating grounds. A passive alignment technique may be used to determine the mounting locations on the photodetector mounting bar such that the photodetectors are aligned with the optical outputs. | 11-20-2014 |
King C. Li, Houston, TX US
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20080300479 | CONTAINMENT TUBES AND IMAGING SYSTEMS EMPLOYING SAME - An isolation system with imaging or radiation therapy capability is disclosed. At least one containment barrier ( | 12-04-2008 |
20100119033 | INTENSITY-MODULATED, CONE-BEAM COMPUTED TOMOGRAPHIC IMAGING SYSTEM, METHODS, AND APPARATUS - Disclosed are methods for reconstructing a three-dimensional image of an object's volume of interest using computed tomography that employs conical-beam, intensity-modulated projections of this object. In one embodiment, a plurality of collimating devices serves to modulate the aperture of the radiation source thereby acting to modulate the intensity of the source upon the object. Also provided are image processing devices, examination apparatus, as well as a computer-readable medium and a program element adapted and configured to perform aspects of the methods disclosed herein. | 05-13-2010 |
Mai Li, Houston, TX US
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20140093921 | BACTERIA AND METHOD FOR SYNTHESIZING FATTY ACIDS - There is provided a recombinant bacterium comprising at least one overexpressed acyl-ACP thioesterase gene, and wherein at least one gene from the tricarboxylic acid cycle or glycolysis or both is inactivated. There is also provided a method for producing fatty acids, said method comprising culturing bacteria comprising at least one overexpressed acyl-ACP thioesterase gene in a growth medium in a container having walls; allowing said bacteria to secrete fatty acids; and collecting said fatty acids. Acid supplementation is also shown to increase productivity. | 04-03-2014 |
20140273114 | BACTERIA AND METHOD FOR SYNTHESIZING FATTY ACIDS - The present invention discloses a process for increasing the production of free fatty acids at high yield (close to maximum theoretical yield), with various fatty acid compositions and various percentage of fatty acids accumulated intracellularly. This invention will enable the efficient production of other products derived from free fatty acids and/or products that can be branched out from the fatty acid synthesis pathways. | 09-18-2014 |
20150259712 | FATTY ACIDS WITH MG TRANSPORTER AND MG - Methods of improving fatty acid production in bacteria, yeast, algae, and various other microbes are presented, by either supplementing the medium with millimolar amounts of magnesium, by overexpressing a magnesium transporter, or both. | 09-17-2015 |
Mengyan Li, Houston, TX US
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20150184232 | MONITORING OF 1,4-DIOXANE BIODEGRADATION IN VARIOUS ENVIRONMENTS - In some embodiments, the present disclosure pertains to methods of monitoring dioxane biodegradation in an environment by: (1) exposing a sample from the environment to an oligonucleotide probe that targets at least one bacterial nucleotide sequence; (2) detecting the presence of the at least one bacterial nucleotide sequence in the sample from the environment; and (3) correlating the presence of the at least one bacterial nucleotide sequence to dioxane biodegradation in the environment. In some embodiments, the methods of the present disclosure can be used to determine whether monitored natural attenuation (MNA) of dioxane will occur in the environment. In some embodiments, the methods of the present disclosure can be used to determine whether dioxane decontamination is needed. Additional embodiments of the present disclosure pertain to oligonucleotide probes for monitoring dioxane biodegradation in an environment. | 07-02-2015 |
Qin Li, Houston, TX US
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20090207763 | VOICE SWITCHING FOR VOICE COMMUNICATION ON COMPUTERS - A voice communication end device performs quality checks to determine whether acoustic echo cancellation would be ineffective, such as due to noise or clock drift or discontinuities between incoming and outgoing voice channels. In the case where echo cancellation would prove ineffective, the device falls back on a tri-state voice switching operation that includes a bi-direction state in which both channels are on in full duplex operation, which provides a smoother transition switching between active channels. The tri-state voice switching supports both voluntary transitions where the active user voluntarily stops to yield the active channel, and forced transitions where the active user is forcedly interrupted by the other user speaking more loudly. | 08-20-2009 |
20100145689 | KEYSTROKE SOUND SUPPRESSION - An audio signal is received that might include keyboard noise and speech. The audio signal is digitized and transformed from a time domain to a frequency domain. The transformed audio is analyzed to determine whether there is likelihood that keystroke noise is present. If it is determined there is high likelihood that the audio signal contains keystroke noise, a determination is made as to whether a keyboard event occurred around the time of the likely keystroke noise. If it is determined that a keyboard event occurred around the time of the likely keystroke noise, a determination is made as to whether speech is present in the audio signal around the time of the likely keystroke noise. If no speech is present, the keystroke noise is suppressed in the audio signal. If speech is detected in the audio signal or if the keystroke noise abates, the suppression gain is removed from the audio signal. | 06-10-2010 |
20130148801 | VOICE SWITCHING FOR VOICE COMMUNICATION ON COMPUTERS - A voice communication end device performs quality checks to determine whether acoustic echo cancellation would be ineffective, such as due to noise or clock drift or discontinuities between incoming and outgoing voice channels. In the case where echo cancellation would prove ineffective, the device falls back on a tri-state voice switching operation that includes a bi-direction state in which both channels are on in full duplex operation, which provides a smoother transition switching between active channels. The tri-state voice switching supports both voluntary transitions where the active user voluntarily stops to yield the active channel, and forced transitions where the active user is forcedly interrupted by the other user speaking more loudly. | 06-13-2013 |
20130332155 | Double-Talk Detection for Audio Communication - The detection of double-talk in audio communication is provided. A communication device may receive an echo signal mixed with a speech signal at a near end location. The echo signal may be generated by speech transmitted by a remote party at a far end location to a local party at the near end location. The speech signal may be received from the local party for transmission to the remote party. The communication device may then filter the echo signal and the speech signal. The communication device may then analyze the speech signal to identify speech characteristics which indicate the presence of double-talk. The communication device may then set a flag upon identifying the speech characteristics which indicate the presence of the double-talk. The communication device may then process the filtered signals to further suppress remaining echo prior to transmission of the speech signal to the remote party. | 12-12-2013 |
20140169568 | CORRELATION BASED FILTER ADAPTATION - Example apparatus and methods concern performing stereo acoustic echo cancellation using a correlation based filter adaptation control approach and without using stereo de-correlation. An embodiment includes a stereo adaptive filter that produces an echo removed microphone signal from received audio signals. The embodiment includes a mono adaptive filter that produces an echo removed microphone signal from the received audio signals. A correlation detector determines a level of correlation between the received signals and provides a signal to an adaptive filter controller. The adaptive filter controller controls how the stereo adaptive filter and the mono adaptive filter adapt audio echo cancellation as a function of the correlation between the received signals. A signal selector may select for output the signal from either the stereo adaptive filter or the mono adaptive filter based, for example, on the power level of the signals. | 06-19-2014 |
Robert T. Li, Houston, TX US
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20080269443 | Methods of oligomerizing olefins - The present invention provides a method of producing oligomers of olefins, comprising reacting olefins with a catalyst under oligomerization conditions. The catalyst can be the product of the combination of a chromium compound and a heteroaryl-amine compound. In particular embodiments, the catalyst compound can be used to trimerize or tetramerize ethylene to 1-hexene, 1-octene, or mixtures of 1-hexene and 1-octene. | 10-30-2008 |
20080293899 | Methods For Oligomerizing Olefins - The present invention provides a method of producing oligomers of olefins, comprising reacting olefins with a catalyst under oligomerization conditions. The catalyst can be the product of the combination of a chromium compound and a pyridyl amine or a heteroaryl-amine compound. In particular embodiments, the catalyst compound can be used to trimerize or tetramerize ethylene to 1-hexene, 1-octene, or mixtures of 1-hexene and 1-octene. | 11-27-2008 |
Songcheng Li, Houston, TX US
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20150176237 | Riser Fatigue Monitoring - A system and method is provided for determining curvature for subsea riser system, including but not limited to drilling risers, steel catenary risers, lazy-wave catenary risers and riser jumpers, comprising the steps of: periodically measuring acceleration in a first lateral direction at said vertical position to obtain a first acceleration timetrace processing said first acceleration timetrace to obtain a first acceleration spectra; applying a transfer function to said first acceleration spectra to obtain a first curvature spectra; and processing said first curvature spectra to obtain a first curvature timetrace. Preferably the transfer function is determined by a method comprising the step of modelling the riser as a Tensioned Timoshenko Beam. | 06-25-2015 |
Wei Li, Houston, TX US
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20150259712 | FATTY ACIDS WITH MG TRANSPORTER AND MG - Methods of improving fatty acid production in bacteria, yeast, algae, and various other microbes are presented, by either supplementing the medium with millimolar amounts of magnesium, by overexpressing a magnesium transporter, or both. | 09-17-2015 |
Xian C. Li, Houston, TX US
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20150031582 | Volatile Organic Gases as Bioindicators for Transplant Rejection - A method comprising (a) obtaining one or more biological samples from a subject wherein the subject has undergone an organ transplant; (b) determining the amount and type of one or more volatile organic compounds in the biological sample; and (c) correlating the amount of volatile organic compounds to a degree of transplant rejection. A device comprising a plurality of sensors configured to detect a plurality of volatile organic compounds in a biological sample of a subject having undergone an organ transplant. | 01-29-2015 |
Xiangmin Li, Houston, TX US
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20150031905 | ALKYLENE OXIDE SEPARATION SYSTEMS, METHODS, AND APPARATUSES - A propylene oxide separation system that comprises a distillation column, a decanter, and water wash system. The distillation column is configured to receive a crude propylene oxide stream, discharge an impurity stream that comprises methanol and water, and discharge a bottoms stream that comprises a majority of the propylene oxide entering in the crude propylene oxide stream. The decanter is configured to receive at least a portion of the impurity stream and a hydrocarbon solvent to provide for formation in the decanter of an organic phase and an aqueous phase. The organic phase comprises propylene oxide and hydrocarbon solvent, and is sent to the distillation column. The aqueous phase comprises a majority weight percent of the methanol and the water entering in the impurity stream. The water wash system is configured to receive and purge the aqueous phase from the propylene oxide separation system. | 01-29-2015 |
Yilun Li, Houston, TX US
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20150023858 | REBAR HYBRID MATERIALS AND METHODS OF MAKING THE SAME - In some embodiments, the present disclosure pertains to methods of forming a reinforcing material by: (1) depositing a first material onto a catalyst surface; and (2) forming a second material on the catalyst surface, where the second material is derived from and associated with the first material. In some embodiments, the first material includes, without limitation, carbon nanotubes, graphene nanoribbons, boron nitride nanotubes, chalcogenide nanotubes, carbon onions, and combinations thereof. In some embodiments, the formed second material includes, without limitation, graphene, hexagonal boron nitride, chalcogenides, and combinations thereof. In additional embodiments, the methods of the present disclosure also include a step of separating the formed reinforcing material from the catalyst surface, and transferring the separated reinforcing material onto a substrate without the use of polymers. Additional embodiments of the present disclosure pertain to reinforcing materials formed by the aforementioned methods. | 01-22-2015 |
20160001260 | POROUS CARBON MATERIALS FOR CO2 SEPARATION IN NATURAL GAS - In some embodiments, the present disclosure pertains to materials for use in CO | 01-07-2016 |
20160136613 | POROUS CARBON MATERIALS FOR CO2 SEPARATION IN NATURAL GAS - In some embodiments, the present disclosure pertains to materials for use in CO | 05-19-2016 |
Yixin Li, Houston, TX US
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20090029930 | Methods of gene therapy using nucleic acid sequences for ATP-binding cassette transporter - The present invention provides nucleic acid and amino acid sequences of an ATP binding cassette transporter and mutated sequences thereof associated with macular degeneration. Methods of detecting agents that modify ATP-binding cassette transporter comprising combining purified ATP binding cassette transporter and at least one agent suspected of modifying the ATP binding cassette transporter an observing a change in at least one characteristic associated with ATP binding cassette transporter. Methods of detecting macular degeneration is also embodied by the present invention. | 01-29-2009 |
20120040456 | METHODS OF GENE THERAPY USING NUCLEIC ACID SEQUENCES FOR ATP-BINDING CASSETTE TRANSPORTER - The present invention provides nucleic acid and amino acid sequences of an ATP binding cassette transporter and mutated sequences thereof associated with macular degeneration. Methods of detecting agents that modify ATP-binding cassette transporter comprising combining purified ATP binding cassette transporter and at least one agent suspected of modifying the ATP binding cassette transporter an observing a change in at least one characteristic associated with ATP binding cassette transporter. Methods of detecting macular degeneration is also embodied by the present invention. | 02-16-2012 |
You Son Li, Houston, TX US
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20090269141 | FLOATING SYSTEM CONNECTED TO AN UNDERWATER LINE STRUCTURE AND METHODS OF USE - There is disclosed a floating system positioned in a body of water having a water bottom, the system comprising a host member floating in the water; an elongated underwater line structure, comprising a top connected to the host; a bottom extending to the seabed and adapted to connect to a flowline lying on the seabed; a first portion of the line structure being shaped concave upward; a second portion of the line structure being shaped concave upward; and a transition segment between being shaped concave downward, the transition segment located between the first portion and the second portion. | 10-29-2009 |
Yubao Li, Houston, TX US
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20100279426 | Electronic Switching, Memory, and Sensor Devices from Carbon Sheets on Dielectric Materials - Electronic devices comprising a dielectric material, at least one carbon sheet, and two electrode terminals are described herein. The devices exhibit non-linear current-versus-voltage response over a voltage sweep range in various embodiments. Uses of the electronic devices as two-terminal memory devices, logic units, and sensors are disclosed. Processes for making the electronic devices are disclosed. Methods for using the electronic devices in analytical methods are disclosed. | 11-04-2010 |
Yuntao Li, Houston, TX US
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20100249335 | Methods of producing zinc oxide polymer nanocomposites - A zinc oxide polymer nanocomposite composed of zinc oxide nanoparticles. The zinc oxide nanoparticles of the nanocomposite have an average particle size of about 1 nanometer to about 20 nanometers. Suitable polymers of the nanocomposites have less than about 500 ppm alkali metal. A process is provided for preparing the zinc oxide polymer nanocomposites comprising a) preparing a first combination comprising zinc oxide nanoparticles and a polymer; b) preparing a second combination comprising the first combination and an organic solvent; and c) precipitating the zinc oxide nanoparticles and the polymer out of the second combination. The zinc oxide nanoparticles of the first combination have an average particle size of between about 1 nanometer and about 20 nanometers. | 09-30-2010 |
Zhilin Li, Houston, TX US
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20150259712 | FATTY ACIDS WITH MG TRANSPORTER AND MG - Methods of improving fatty acid production in bacteria, yeast, algae, and various other microbes are presented, by either supplementing the medium with millimolar amounts of magnesium, by overexpressing a magnesium transporter, or both. | 09-17-2015 |