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Assignee: William Marsh Rice University


Location: Houston, TX
No. of patents: 208

1            
NumberTitleIssue Date
8183180Graphene compositions and drilling fluids derived therefrom
Drilling fluids comprising graphenes and nanoplatelet additives and methods for production thereof are disclosed. Graphene includes graphite oxide, graphene oxide, chemically-converted graphene, and functionalized chemically-converted graphene. Derivatized graphenes...
05/22/2012
8178202Nonconcentric nanoshells with offset core in relation to shell and method of using the same
A nanoparticle comprising a shell surrounding a core material with a lower conductivity than the shell material, wherein the core center is offset in relation to the shell center. A method comprising providing a nanoparticle comprising a nonconductive core and a con...
05/15/2012
8173405Nerolidol, terpene, and terpene deriviative synthesis
According to one embodiment, the description relates to a method of nerolidol production. The method includes culturing a yeast strain lacking functional squalene synthase and overproducing HMG CoA reductase in synthetic medium lacking uracil and producing nerolidol...
05/08/2012
8164756System and method of fluid exposure and data acquisition
An apparatus has a data acquisition device, an environmental cell in a spatial registration relative to the data acquisition device, the environmental cell being configured to support a sample, and a fluid management system configured to initiate and discontinue exp...
04/24/2012
8158203Methods of attaching or grafting carbon nanotubes to silicon surfaces and composite structures derived therefrom
The present invention is directed toward methods of attaching or grafting carbon nanotubes (CNTs) to silicon surfaces. In some embodiments, such attaching or grafting occurs via functional groups on either or both of the CNTs and silicon surface. In some embodiments...
04/17/2012
8134360Measurement of pipe wall thickness using magnetic flux leakage signals
An apparatus comprising a processor configured to implement a method comprising obtaining a pipe profile comprising a diameter, a nominal thickness, and a material, receiving a magnetic flux leakage (MFL) indication for a pipe associated with the pipe profile, and d...
03/13/2012
8129157Anaerobic fermentation of glycerol
The invention relates to the development of appropriate cultivation conditions for a bacteria to grow anaerobically (fermentatively) on a glycerol substrate. The method requires culturing bacteria having a functional 1,2-propanediol pathway and a functional type II ...
03/06/2012
8128901Facile purification of carbon nanotubes with liquid bromine at room temperature
A method of removing metal impurities from carbon nanotubes includes treating carbon nanotubes with distilled bromine in a substantially oxygen- and water-free atmosphere and then removing the distilled bromine from the carbon nanotubes. Purified carbon nanotubes ha...
03/06/2012
8124503Carbon nanotube diameter selection by pretreatment of metal catalysts on surfaces
A new and useful nanotube growth substrate conditioning processes is herein disclosed that allows the growth of vertical arrays of carbon nanotubes where the average diameter of the nanotubes can be selected and/or controlled as compared to the prior art. ...
02/28/2012
8106430Preparation of thin film transistors (TFTs) or radio frequency identification (RFID) tags or other printable electronics using ink-jet printer and carbon nanotube inks
The invented ink-jet printing method for the construction of thin film transistors using all SWNTs on flexible plastic films is a new process. This method is more practical than all of existing printing methods in the construction TFT and RFID tags because SWNTs hav...
01/31/2012
8102532Resonant optothermoacoustic detection of optical absorption
A device comprising an acoustic detector, one or more thermal sensing elements coupled to the acoustic detector, and a light source. A method comprising directing a beam of light at a wavelength at or near one or more thermal sensing elements, wherein the thermal se...
01/24/2012
8098376Integrated embedded processor based laser spectroscopic sensor
A novel low-power and compact laser spectroscopic sensor is described herein. Embodiments of the disclosed sensor utilize state-of-the-art microprocessors and digital processing techniques to reduce power consumption and integrate functions into a small device. In p...
01/17/2012
8097141Flow dielectrophoretic separation of single wall carbon nanotubes
According to some embodiments, a method for separating a first fraction of a single wall carbon nanotubes and a second fraction of single wall carbon nanotubes includes, but is not limited to: flowing a solution comprising the nanotubes into a dielectrophoresis cham...
01/17/2012
8092774Nanotube-amino acids and methods for preparing same
The present invention is directed toward compositions comprising carbon nanotubes (CNTs) that are sidewall-functionalized with amino acid groups, and to amino acid compositions comprising carbon nanotubes. The present invention is also directed to simple and relativ...
01/10/2012
8084243Blocking sporulation by inhibiting SpoIIE
We have shown that the control of solventogenesis and sporulation can be genetically uncoupled in C. acetobutylicum. In strain 824(pASspo), the absence of SpoIIE causes sporulation to be blocked at stage II. The cell remains in a vegetative state, and this al...
12/27/2011
8080199Interaction of microwaves with carbon nanotubes to facilitate modification
The present invention is directed toward methods of crosslinking carbon nanotubes to each other using microwave radiation, articles of manufacture produced by such methods, compositions produced by such methods, and applications for such compositions and articles of...
12/20/2011
8062748Methods for preparing carbon nanotube/polymer composites using free radical precursors
In some embodiments, the present invention is directed to methods of fully integrating CNTs and the surrounding polymer matrix in CNT/polymer composites. In some such embodiments, such integration comprises interfacial covalent bonding between the CNTs and the polym...
11/22/2011
8062702Coated fullerenes, composites and dielectrics made therefrom
The present invention relates to coated fullerenes comprising a layer of at least one inorganic material covering at least a portion of at least one surface of a fullerene and methods for making. The present invention further relates to composites comprising the coa...
11/22/2011
8058613Micromechanical devices for materials characterization
The present disclosure describes micromechanical devices and methods for using such devices for characterizing a material's strength. The micromechanical devices include an anchor pad, a top shuttle platform, a nanoindenter in movable contact with the top shuttle pl...
11/15/2011
8057802Treatment methods for fibrosis related disorders
The present invention relates to the ability of SAP to suppress fibrocytes. It also relates to the ability of IL-12, laminin-1, cross-linked IgG and IgG aggregates to suppress fibrocytes. Methods and compositions for suppressing fibrocytes using these proteins are p...
11/15/2011
8045152All optical nanoscale sensor
A composition comprising a nanoparticle and at least one adsorbate associated with the nanoparticle, wherein the adsorbate displays at least one chemically responsive optical property. A method comprising associating an adsorbate with a nanoparticle, wherein the nan...
10/25/2011
8034134Spiral microreformer assembly
A design for a microchannel steam microreformer has been developed to provide power in conjunction with a micro fuel cell for a portable, low-power device. The design is optimized for low pumping power and rapid operation as well as thermal efficiency, overall size,...
10/11/2011
8012472Compositions and methods for suppressing fibrocytes
The present invention relates to the ability of anti-FcγR antibodies to suppress fibrocytes. Methods and compositions for suppressing fibrocytes are provided. These methods are useful in a variety of applications including treatment and prevention of conditions res...
09/06/2011
8009293Modulation cancellation method in laser spectroscopy
Novel methods and laser spectroscopic systems for accurately measuring the concentration of compounds are disclosed herein. The disclosed methods utilize a modulation cancellation technique resulting in a significantly increase in the sensitivity and accuracy of las...
08/30/2011
8007829Method to fabricate inhomogeneous particles
A method for making inhomogeneous microparticles comprises a) providing an amount of each of at least two polyelectrolytes having a charge, b) providing an amount of a counterion having a valence of at least 2, c) combining the polyelectrolytes and the counterion in...
08/30/2011
8003215Fluorinated nanodiamond as a precursor for solid substrate surface coating using wet chemistry
The present invention is directed to nanodiamond (ND) surface coatings and methods of making same. Such coatings are formed by a covalent linkage of ND crystals to a particular surface via linker species. The methods described herein overcome many of the limitations...
08/23/2011
7979666System and method for context-independent codes for off-chip interconnects
A system and method for context-independent coding using frequency-based mapping schemes, sequence-based mapping schemes, memory trace-based mapping schemes, and/or transition statistics-based mapping schemes in order to reduce off-chip interconnect power consumptio...
07/12/2011
7976816Method for functionalizating carbon naontubes utilizing peroxides
A method for functionalizing the wall of single-wall or multi-wall carbon nanotubes involves the use of acyl peroxides to generate carbon-centered free radicals. The method allows for the chemical attachment of a variety of functional groups to the wall or end cap o...
07/12/2011
7973559Method for fabrication of a semiconductor element and structure thereof
Re-programmable antifuses and structures utilizing re-programmable antifuses are presented. Such structures include a configurable interconnect circuit having at least one re-programmable antifuse, wherein the at least one re-programmable antifuse is configured to b...
07/05/2011
7959779Macroscopically manipulable nanoscale devices made from nanotube assemblies
This invention relates generally to cutting single-wall carbon nanotubes (SWNT). In one embodiment, the present invention provides for preparations of homogeneous populations of short carbon nanotube molecules by cutting and annealing (reclosing) the nanotube pieces...
06/14/2011
7940043NMR method of detecting precipitants in a hydrocarbon stream
A method for detecting the presence of precipitants in a hydrocarbon stream, the method comprising introducing at least a portion of the hydrocarbon stream into a measurement chamber of an NMR measuring device, assaying the fluids in the chamber with proton nuclear ...
05/10/2011
7939136Method for forming composites of sub-arrays of fullerene nanotubes
The formation of arrays of fullerene nanotubes is described. A microscopic molecular array of fullerene nanotubes is formed by assembling subarrays of up to 106 fullerene nanotubes into a composite array. ...
05/10/2011
7939047Bulk separation of carbon nanotubes by bandgap
The present invention is directed to methods of separating carbon nanotubes (CNTs) by their electronic type (e.g., metallic, semi-metallic, and semiconducting). Perhaps most generally, in some embodiments, the present invention is directed to methods of separating C...
05/10/2011
7938991Polymer / carbon-nanotube interpenetrating networks and process for making same
The present invention is directed to new methods for combining, processing, and modifying existing materials, resulting in novel products with enhanced mechanical, electrical and electronic properties. The present invention provides for polymer/carbon nanotube compo...
05/10/2011
7938969Magnetic purification of a sample
Methods for separating magnetic nanoparticles are provided. In certain embodiments, a method is provided for separating magnetic nanoparticles comprising: providing a sample comprising a plurality of magnetic nanoparticles; passing the sample through a first magneti...
05/10/2011
7935682Wound healing dressing for enhancing fibrocyte formation
The present invention relates to the ability of SAP to suppress the differentiation of monocytes into fibrocytes. It also relates to the ability of IL-4 and IL-3 to enhance the differentiation of monocytes into fibrocytes. Methods and compositions for binding SAP, d...
05/03/2011
7928893Apparatus and method for compressive sensing radar imaging
Method and apparatus for developing radar scene and target profiles based on Compressive Sensing concept. An outgoing radar waveform is transmitted in the direction of a radar target and the radar reflectivity profile is recovered from the received radar wave sequen...
04/19/2011
7916741System and method for preventing count-to-infinity problems in ethernet networks
A system and method for preventing a count-to-infinity problem in a network using epochs of sequence numbers in protocol messages to eliminate stale protocol information in the network and to allow the forwarding topology to recover in merely one round trip time acr...
03/29/2011
7897248Oriented nanofibers embedded in a polymer matrix
A method of forming a composite of embedded nanofibers in a polymer matrix is disclosed. The method includes incorporating nanofibers in a plastic matrix forming agglomerates, and uniformly distributing the nanofibers by exposing the agglomerates to hydrodynamic str...
03/01/2011
7893513Nanoparticle/nanotube-based nanoelectronic devices and chemically-directed assembly thereof
According to some embodiments, the present invention provides a nanoelectronic device based on a nanostructure that may include a nanotube with first and second ends, a metallic nanoparticle attached to the first end, and an insulating nanoparticle attached to the s...
02/22/2011
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