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7608461 |
Surface engineered nanoparticles for improved surface enhanced Raman scattering applications and method for preparing same
A method for producing metal nanoparticles that when associated with an analyte material will generate an amplified SERS spectrum when the analyte material is illuminated by a light source and a...
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7594949 |
Cross-linked polymeric nanoparticles and metal nanoparticles derived therefrom
There are provided internally cross-linked, stables polymeric materials, in the form of substantially spherical particles, each particle consisting essentially of a single macromolecule. They have...
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7592663 |
Flash memory device utilizing nanocrystals embedded in polymer
A flash memory device with a nanoscale floating gate and a method of manufacturing thereof are disclosed. At least one embodiment of the present invention provides a much simpler and easier method...
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7582330 |
Method for making metallic nanostructures
A method of making metallic nanostructures by mixing (a) an aqueous composition comprising a chromonic material with (b) a metal salt in solution or a suspension of metal particles.
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7575621 |
Separation of metal nanoparticles
A process for the production of metal nanoparticles. Nanoparticles are formed by combining a metal compound with a solution that comprises a polyol and a substance that is capable of being adsorbed...
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7560394 |
Nanodots formed on silicon oxide and method of manufacturing the same
A nanodot material including nanodots formed on silicon oxide, and a method of manufacturing the same, is provided. The nanodot material includes a substrate, a silicon oxide layer, and a plurality...
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7547344 |
Nanosized intermetallic powders
Nanoparticles of intermetallic alloys such as FeAl, Fe 3 Al, NiAl, TiAl and FeCoV exhibit a wide variety of interesting structural, magnetic, catalytic, resistive and electronic, and bar coding...
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7531149 |
Synthetic control of metal oxide nanocrystal sizes and shapes
A general, reproducible, and simple synthetic method that employs readily available chemicals permits control of the size, shape, and size distribution of metal oxide nanocrystals. The synthesis...
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7524351 |
Nano-sized metals and alloys, and methods of assembling packages containing same
A nano-sized metal particle composition includes a first metal that has a particle size of about 20 nanometer or smaller. The nano-sized metal particle can include a second metal that forms a shell...
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7520915 |
Method of preparing nano scale nickel powders by wet reducing process
There is provided a method of preparing nano scale nickel powders by wet reducing process. An embodiment of the method of preparing nickel powders comprises preparing the first solution formed by...
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7504152 |
Carbon nanotrees formed by flash CVD method
A flash CVD process can be employed to grow micron- and nano-sized tree-like structures, particularly carbon structures on graphite electrodes. This process involves fast cyclic resistive heating...
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7504082 |
Magnetic nanoparticles comprising Gadolinium and method of fabrication
Magnetic nanoparticles are applicable in imaging, diagnosis, therapy, and biomaterial separation. The magnetic nanoparticles are represented as (Fe w Gd x ) v Z y , wherein w is from 99.9% to...
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7498005 |
Nanoparticles of rare earth oxides
Rare earth compositions comprising nanoparticles are described along with various nanotechnology applications of such nanoparticles. The compositions of the nanomaterials discussed may include...
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7494608 |
Stabilized silver nanoparticle composition
A composition comprising a liquid and a plurality of silver-containing nanoparticles with a stabilizer, wherein the silver-containing nanoparticles are a product of a reaction of a silver compound...
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7491448 |
Reticulated foam-like structure formed of nano-scale particulate
A nano-particulate reticulated foam-like structure, which includes particles having a size of 10-200 nanometers. The particles are joined together to form a reticulated foam-like structure. The...
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7479325 |
Isotope-doped carbon nanotube
An isotope-doped carbon nanotube ( 40 ) includes at least two kinds of carbon nanotube segments, each kind of carbon nanotube segment having a unique carbon isotope. The at least two kinds of...
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7476695 |
Modified stannic oxide-zirconium oxide complex sol and method for preparing same
There is provided a stable sol comprising modified stannic oxide-zirconium oxide complex colloidal particles, wherein the particles are formed by coating as nuclei stannic oxide-zirconium oxide...
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7455823 |
Process for the preparation of micron/nano sized inorganic material
The invention discloses methods for making micron/nano meter sized particles of various inorganic materials such as minerals/oxides/sulphides/metals/ceramics at a steadily expanding liquid-liquid...
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7442227 |
Tightly agglomerated non-oxide particles and method for producing the same
A non-oxide powder of which at least about 40% by mass is comprised of a plurality of tightly agglomerated compositions, each of the tightly agglomerated compositions comprising a plurality of...
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7422730 |
Nanoporous ultrafine α-alumina powders and sol-gel process of preparing same
The present invention provides α-alumina powders comprising α-alumina particles of which at least 80% of the α-alumina particles have a particle size of less than 100 nm. The invention also...
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7405002 |
Coated water-soluble nanoparticles comprising semiconductor core and silica coating
Nanoparticles and methods of making nanoparticles are provided. The nanoparticles may include semiconductor nanocrystals. A shell may encapsulate a nanoparticle core, and the shell may include...
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7396589 |
Core-shell magnetic nanoparticles comprising an inner-transition element
Magnetic nanoparticles are applicable in imaging, diagnosis, therapy, and biomaterial separation. The magnetic nanoparticles comprise a core represented as Fe x M a v Z y and a shell of an...
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7393516 |
Preparation of metal chalcogenides from reactions of metal compounds and chalcogen
A method of preparing metal chalcogenides from elemental metal or metal compounds has the following steps: providing at least one elemental metal or metal compound; providing at least one element...
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7390568 |
Semiconductor nanocrystal heterostructures having specific charge carrier confinement
A semiconductor nanocrystal heterostructure has a core of a first semiconductor material surrounded by an overcoating of a second semiconductor material. Upon excitation, one carrier can be...
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7381465 |
Core-shell structure having controlled cavity inside and structure comprising the core-shell structure as component, and method for preparation thereof
A core-shell structure comprises a core ( 2 ) comprising nanoparticles and a shell ( 4 ) coating the core ( 2 ), and its void space ( 3 ) formed by the core ( 2 ) and the shell ( 4 ) is controlled....
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7381240 |
Platinum particles with varying morphology
Nanometer to micrometer sized particles containing platinum and having selected morphologies are prepared by a sonochemical process. A compound of platinum is dissolved, suspended, or diluted in a...
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7381239 |
Alloy nano-particles
Disclosed are alloy nano-particles having a fluctuation coefficient of particle size of 20% or less and a fluctuation coefficient of composition of 20% or less. The alloy nano-particles have a low...
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7374824 |
Core-shell nanocrystallite comprising tellurium-containing nanocrystalline core and semiconductor shell
Tellurium-containing nanocrystallites are produced by injection of a precursor into a hot coordinating solvent, followed by controlled growth and annealing. Nanocrystallites may include CdTe, ZnTe,...
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7371457 |
Nanoparticle comprising nanoshell of thickness less than the bulk electron mean free path of the shell material
The present invention is for particulate compositions and methods for producing them that can absorb or scatter electromagnetic radiation. The particles are homogeneous in size and are comprised of...
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7361410 |
External modification of composite organic inorganic nanoclusters comprising raman active organic compound
Modified and functionalized metallic nanoclusters capable of providing an enhanced Raman signal from an organic Raman-active molecule incorporated therein are provided. For example, modifications...
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7347885 |
Synthesis of metal nanoparticle compositions from metallic and ethynyl compounds
A process of making metal nanoparticles comprising the steps of: providing a precursor composition comprising at least one metallic compound and at least one organic compound; wherein the organic...
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7268269 |
Multi-functional protective textiles and methods for decontamination
A reactive and adsorptive (i.e., multi-functional protective) textile and methods for constructing and using same which possess at least chemically reactive and biocidal properties. Nanoparticles...
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7241814 |
Preparation of metallic nanoparticles with shell-crosslinked micelle as mold
A method for the preparation of a dispersion of fine particles characterized in that the micelles are ones which have been formed in a aqueous medium with an amphiphilic block copolymer represented...
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7238331 |
Process for producing nano-powders and powders of nano-particle loose aggregate
The present invention discloses a process for producing nano-powders and powders of nano-particle loose aggregate, which includes: (a) providing at least two reactant solutions A and B capable of...
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7232474 |
Process for producing gold nanoparticles
Gold nanoparticles having a particle size of 4-15 nM are synthesized by the reduction of hydrogen tetrachloroaurate (III) trihydrate using a suitable reducing agent such as sodium citrate in the...
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7229602 |
Method of preparing metal chalcogenide particles
A method of preparing metal chalcogenide particles. The method comprising the step of reacting an amine and metal complex precursors. The metal complex precursors comprising a chalcogenide and an...
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7217407 |
Plasma synthesis of metal oxide nanoparticles
The present invention is a method of increasing particle surface area and decreasing the concentration of over-sized particles in a process for making metal oxide particles, particularly...
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7211230 |
Process for producing nanometer grade powders
The present invention discloses a process for producing nanometer powders, comprising the following steps: (a) providing reactant solution A and reactant solution B that can rapidly react to form...
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7208126 |
Titanium dioxide nanopowder manufacturing process
Titanium dioxide nanopowder is produced by a process, comprising:
(a) reacting titanium tetrachloride and an oxygen containing gas in the vapor phase in a flame reactor, at a flame...
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7195721 |
Quantum lilypads and amplifiers and methods of use
A nanocomposite having enhanced energy conversion between thermal, electron, phonons, and photons energy states. The composition comprises a synergistic blend of nanoscale powders wherein the...
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7189279 |
Cross-linked polymeric nanoparticles and metal nanoparticles derived therefrom
There are provided internally cross-linked, stable polymeric materials, in the form of substantially spherical particles, each particle consisting essentially of a single macromolecule. They have...
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7182929 |
Nanostructured multi-component and doped oxide powders and method of making same
A method for producing nanostructured multi-component or doped oxide particles and the particles produced therein. The process includes the steps of (i) dissolving salts of cations, which are...
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7169375 |
Metal oxide nanoparticles, methods of making, and methods of use
Disclosed is a method of preparing treated metal oxide nanoparticles from sols prepared from metal alkoxides and organosilanes. The treated nanoparticles are useful high refractive index additives...
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7135161 |
Method of producing nanosized oxide powders
A method of forming metal oxide powders includes the steps of solid state mixing of at least one metal nitrate salt, such as Fe(NO 3 ) 3 or a combination of metal nitrate salts such as Zn(NO 3 ) 3...
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7122168 |
Shape anisotropic metal oxide nanoparticles and synthetic method thereof
In a metal oxide nanoparticle and a synthetic method thereof, and in particular to maghemite (γ-Fe 2 O 3 ) nanoparticles usable as a superhigh density magnetic recording substance by having good...
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7118727 |
Method of making oxide particles
The present invention provides a process for producing particles, such as oxide nanoparticles, in a substantially water-free environment. The process involves mixing at least one metal compound of...
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6875253 |
Metal alloy fine particles and method for producing thereof
A novel method for preparing fine particles comprising a transition metal and a noble metal which are monodispersed and have almost no particle diameter distribution, and are transferable to a...
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6849245 |
Catalysts for producing narrow carbon nanostructures
A method for producing high yields of high-purity carbon nanostructures having uniform average widths narrower than conventional carbon nanostructures. The nanostructures are produced from...
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6744006 |
Twin plasma torch apparatus
A twin plasma torch assembly includes two plasma torch assemblies supported in a housing. Each of the two plasma torch assemblies has an electrodes. Plasma gas is introduced into a processing zone...
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6726892 |
Advanced aluminum alloys for hydrogen storage
Various aspects of the present invention provides a nanocrystalline powder suitable for storing hydrogen and a method of producing such a powder. One embodiment provides a nanocrystalline powder...
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