|| List of recent Colloid-related patents
| Method for designing cylinder device and cylinder device|
In designing a cylinder device serving as a colloidal damper, containing working liquid and a porous body having pores, and provided between two objects arranged in an up/down direction and movable relative to each other, a reference cracking pressure pintr′ that is an indication of a cracking pressure pintr as an internal pressure in a chamber at the start of a flow of the working liquid into the pores is set according to the weight of an upper one of the two objects, and a reference pore diameter d′(=2·r′) that is an indication of a pore diameter d is determined based on the reference cracking pressure pintr′ and based on the following equation: pintr==2·σ·cos θin/r (where σ is a surface tension of the working liquid, and θin a contact angle of the working liquid upon its penetration).. .
| Novel method|
The present invention is directed to a novel method for reducing intrapatient variability in pharmaceutically active agent which is suitably not absorbed in the stomach, such as paracetamol, containing formulations in patients having gastric dysmotility, or a method of improving analgesia in a diabetic patient, or improving absorption of an active agent is a patient with gastric dysmotility, which methods comprises administering orally to said patient in need thereof a pharmaceutical dosage form comprising a first active agent, calcium carbonate, at least one first binding agent, and at least one disintegrating agent as intragranular components in the form of a granulate, and as an extragranular component at least one hydrophilic colloid, an optionally a second binding agent, calcium carbonate, a super disintegrant, and a second active agent.. .
| Modified flux system|
A method of manufacturing a flux cored electrode is described that includes a titanium oxide based flux system having a low water content, which resists moisture absorption, and which reduces the amount of impurities transferred to a weld metal comprising: providing titanium dioxide, the titanium dioxide including purified titanium dioxide; providing a solution of colloidal metal oxide, the colloidal metal oxide having an average particle size of less than about 800 nm; mixing together the titanium dioxide and solution of colloidal metal oxide; and, drying the mixture at a temperature of at least about 400° c. For at least about 30 minutes until a moisture content of the mixture is less than about 1%; and, forming a metal electrode sheath so as to include the mixture in a core of the metal electrode sheath.
| Polymersomes, liposomes, and other species associated with fluidic droplets|
The present invention relates generally to vesicles such as liposomes, colloidosomes, and polymersomes, as well as techniques for making and using such vesicles. In some cases, the vesicles may be at least partially biocompatible and/or biodegradable.
| Rotor machine intended to function as a pump or an agitator and an impeller for such a rotor machine|
The invention concerns a rotor machine and an impeller, of which the rotor machine is intended to function as a liquid pump or as an agitator in a fluid such as a liquid or a colloid, whereby the rotor machine has a pump casing (1) with an impeller (2) mounted in bearings in a manner that allows rotation around an axis (x), and in which the rotor machine has three principal flow pathways, comprising: —an axial inlet opening (4) with a defined area of opening (ain) —a radially oriented outlet opening (5) with a defined area of opening (aut), and —a series of radially extending blades (3) that, distributed around the circumference of the impeller, form between them a number of flow channels (22:1-22:n). In order to achieve an improved working capacity, the area of opening (ain) of the inlet opening (4), the area of opening (aut) of the outlet opening and the total effective area of opening of the flow channels (22:1-22:n) that extends through the impeller are so mutually designed that the three principal passages of the rotor machine are filled and emptied of the said fluid in an essentially equal manner..
| Adhesive for polarizing plate, polarizing plate, manufacturing method therefor, optical film and image display|
An adhesive of the invention is used for polarizing plate to provide a transparent protective film on at least one side of a polarizer and comprises a resin solution comprising a polyvinyl alcohol-based resin, a crosslinking agent and a colloidal metal compound with an average particle size of 1 nm to 100 nm, wherein 200 parts by weight or less of the colloidal metal compound is added to 100 parts by weight of the polyvinyl alcohol-based resin. The adhesive for polarizing plate can reduce the occurrence of knicks..
|Protective, hydrocolloid for active ingredients|
(modified) rice endosperm protein is used as novel protective hydrocolloid for active ingredients, especially fat-soluble active ingredients and/or colorants. Included are compositions comprising (modified) rice endosperm protein and at least one active ingredient and to their manufacture, as well as to the (modified) rice endosperm protein itself and its manufacture.
|Methods of polishing sapphire surfaces|
Described herein are methods for polishing sapphire surfaces using compositions comprising colloidal silica, wherein the colloidal silica has a broad particle size distribution.. .
|Methods of polishing sapphire surfaces|
Described herein are methods for polishing sapphire surfaces using compositions comprising colloidal silica, wherein the colloidal silica has a broad particle size distribution.. .
|Edible cup and method of making the same|
The present invention relates to an edible container made of liquid, sugar, and one or more hydrocolloids. The edible container may hold hot or cold liquids for extended periods of time..
|Foam assembly and method for manufacturing the same, and electronic device using the foam assembly|
A foam assembly includes a foam body, the foam body defining a plurality of through holes. The foam assembly further includes a colloid body formed by a first colloid portion formed on one of two opposing surfaces of the foam body, a second colloid portion formed on a second of two opposing surfaces of the foam body, and connecting portions extending through the through holes of the foam body from one opposing surface of the foam body to the other.
|Y-type oxotitanium phthalocyanine nanoparticles, preparation, and use thereof|
Oxotitanium phthalocyanine nanoparticles in the crystal form of phase-y (y-tiopc) having particle diameters of 2˜4 nm, preparation, and applications thereof are disclosed. The preparation method comprises the following steps: mixing a concentrated sulfuric acid solution of tiopc with water or dilute sulfuric acid, or water or dilute sulfuric acid with a surfactant dissolved therein, or an aqueous solution of a low molecular weight organic compound to form a suspension or hydrosol; adding into the resulting suspension or hydrosol chlorinated hydrocarbons to extract tiopc into an organic phase, so as to form a colloidal solution of y-tiopc nanoparticles; and then, washing and drying the above nanoparticles to give rise to a powder of the y-tiopc nanoparticles.
|Method for coating metal surfaces with an activating agent prior to phosphating|
This invention relates to a method for phosphating metal surfaces in which the metal surfaces are treated with an aqueous phosphate and titanium-based colloidal activating agent prior to phoshating, wherein the activating agent comprises at least one water-soluble silicon compound having at least one organic group. The invention also relates to a corresponding activating agent..
|Rapid macro-scale synthesis of free-standing graphene, high performance, binder-free graphene anode material, and methods of synthesizing the anode material|
A method of synthesizing a sheet of graphene oxide paper includes combining graphite oxide with water to form a colloidal suspension of graphene oxide; providing a working electrode and a counter electrode such that the working electrode and the counter electrode are inserted in the colloidal suspension; applying a potentiostatic field until a film of graphene oxide having a predetermined thickness forms on the working electrode; and drying the film to form a graphene oxide paper. The method may also include reducing the graphene oxide to graphene by either photo-thermal reduction or thermal exfoliation.
|Method for structuring a surface using colloidal particles in an electric field, resultant surfaces and uses thereof|
The present invention relates to a method of preparing inorganic and/or organic surfaces comprising organized micro- or nanostructures using colloidal particles in an electric field, to the micro- or nanostructured surfaces obtained by application of this method, as well as to the various applications of these structured surfaces, notably in the field of photonics, catalysis, magnetic storage or biosensors.. .
|Colloidal nanocrystal-based thin film and solution apparatuses and methods|
Methods of exchanging ligands to form colloidal nanocrystals (ncs) with chalcogenocyanate (xcn)-based ligands and apparatuses using the same are disclosed. The ligands may be exchanged by assembling ncs into a thin film and immersing the thin film in a solution containing xcn-based ligands.
|Colloidal dispersion of a material in a divided state and consisting of metal chalcogenide in an aqueous medium, material in a divided state, and uses thereof|
A colloidal dispersion of a metal chalcogenide material in divided state in an aqueous liquid phase selected from the group consisting of aqueous solutions and solutions including a mixture of water and at least one solvent that is miscible with water, wherein the carbon element of the material is present in a proportion of less than 2.5 wt. % as determined by elemental analysis, the concentration of the material in the colloidal dispersion is more than 40 g/l, and the colloidal dispersion has a charge potential value which is negative and the absolute value of which is higher than 20 mv..
|Creamers and methods of making same|
Creamers for whitening food products are provided. The creamers can be shelf-stable and aseptic.
|Colloidal solution of silver nanoparticles and method of it preparation|
The invention relates to colloidal solutions of silver nanoparticles and to method of it preparation and can be used in different areas, particularly in medicine, veterinary science, food industry, cosmetology, household chemistry and agrochemistry. Method includes the electrochemical dissolution of silver in the deionized water.
|Preparation of diesel oxidation catalyst via deposition of colloidal nanoparticles|
The present invention relates to a process for preparing a catalyst, at least comprising the steps of adding a protecting agent to an aqueous solution of a metal precursor to give a mixture (m1), adding a reducing agent to mixture (m1) to give a mixture (m2), adding a support material to mixture (m2) to give a mixture (m3), adjusting the ph of mixture (m3), and separating the solid and liquid phase of mixture (m3). Furthermore, the present invention relates to the catalyst as such and its use as diesel oxidation catalyst..
|Process for preparing aqueous colloidal silica sols of high purity from alkali metal silicate solutions|
The present invention relates to a process for preparing aqueous colloidal silica sols of high purity from silicate solutions, to aqueous colloidal silica sols with a specific profile of impurities, and to the use thereof. The invention further encompasses high-purity aqueous silica obtained as an intermediate in the course of the purification process, high-purity silicon dioxide obtainable by dewatering, and the use thereof..
|Pelletized fertilizer and method for manufacturing the same|
A method for manufacturing a pelletized fertilizer includes the following steps. A water-soluble manure and a colloidal solution are mixed, to form an aqueous solution of a fertilizer, wherein the water-soluble manure is selected from the group consisting of monopotassium phosphate, epsomite, manganous sulfite, boric acid, borax, copper sulfate pentahydrate, white vitriol, ammonium molybdate, urea, ferric ethylenediaminetetraacetic acid and potassium nitrate, the colloidal solution is selected from the group consisting of agar, xanthan gum, shellac, guar gum, natto gum, pectin, synthetic hydrogel and plga, and the weight percentage of the colloidal solution in the aqueous solution of the fertilizer is between 1.5 and 15%.
|Polycrystalline abrasive compacts|
A method of manufacturing polycrystalline abrasive elements consisting of micron, sub-micron or nano-sized ultrahard abrasives dispersed in micron, sub-micron or nano-sized matrix materials. A plurality of ultrahard abrasive particles having vitreophilic surfaces are coated with a matrix precursor material in a refined colloidal process and then treated to render them suitable for sintering.
|Alkyd-based coating composition|
The present invention relates to a coating composition comprising: a) silanized colloidal silica particles; b) alkyd-containing binder; c) a carrier fluid, wherein the coating composition is essentially free from a cobalt-based drier. The present invention also relates to a method of producing a coating composition and the use of such coating composition for coating of a substrate..
|Transition metal nanocatalyst, method for preparing the same, and process for fischer-tropsch synthesis using the same|
The present invention discloses a transition metal nano-catalyst, a method for preparing the same, and a process for fischer-tropsch synthesis using the catalyst. The transition metal nano-catalyst comprises transition metal nanoparticles and polymer stabilizers, and the transition metal nanoparticles are dispersed in liquid media to form stable colloids.
|Barium cerate nanoparticles for use in solid oxide fuel cells|
A process for forming alkaline earth metal cerate nanoparticles comprises combining a stable cerium oxide aqueous colloidal dispersion with soluble alkaline earth metal salts while maintaining colloidal stability. The resulting alkaline earth metal salts may be calcined to form alkaline earth metal cerate particles having a perovskite structure..
|Self-healing transparent coatings containing mineral conductive colloids|
It is also drawn to a method for preparing such an optical article and to a method for repairing scratches on such an optical article by heating.. .
|Method for separating metal nanoparticles from colloidal metal solution|
A method for separating metal nanoparticles from colloidal metal solution includes providing a colloidal metal solution, including a plurality of metal nanoparticles; mixing a precipitating agent with the colloidal metal solution for maintaining the power of hydrogen value (ph) of the colloidal metal solution in a specific value; keeping the colloidal metal solution stationary for a static time at an environmental temperature such that the metal nanoparticle precipitates from the colloidal metal solution, and the colloidal metal solution forms a supernatant and a precipitating liquid; separating a precipitate from the precipitating liquid by a filtering process; and liquid blasting the precipitate by a first solvent to obtain the metal nanoparticles.. .
|Chlorine dioxide gel and manufacturing method thereof|
A method for manufacturing chlorine dioxide gel includes the following steps: a step of dissolving peg-copolymer bis-decyltetradeceth in hot water to form an aqueous solution of peg-copolymer bis-decyltetradeceth; a step of heating the aqueous solution of peg-copolymer bis-decyltetradeceth obtained in the above step to form a gel like colloid; a step of dissolving pure chlorine dioxide gas in water to form an aqueous solution of chlorine dioxide; and a step of uniformly mixing the aqueous solution of chlorine dioxide and the colloid of peg-copolymer bis-decyltetradeceth to form a chlorine dioxide gel, whereby with the above steps, a method for manufacturing chlorine dioxide gel that stably preserves chlorine dioxide gas in a gel is provided.. .
|Composition for a topical ophthalmic clear colloidal liquid which undergoes a liquid-gel phase transition in the eye|
The present invention is directed to a topical ophthalmic composition for a liquid comprised of clear colloidal polar nanolipids delivered in submicron sized particles, aqueous colloidal lubricants, aqueous polymers, emulsifies, and a unique stabilizing buffer system, which undergoes a liquid-gel phase transition in the eye. Said composition is designed to deliver advanced eye lubricants, protect the three (3) layers of corneal film from dryness, and provide a unique system of dry eye treatment that addresses and treats all three layers of corneal tear film.
|Methods and systems for upgrading heavy oil using catalytic hydrocracking and thermal coking|
Methods and systems for hydroprocessing heavy oil feedstocks to form upgraded material use a colloidal or molecular catalyst dispersed within heavy oil feedstock, pre-coking hydrocracking reactor, separator, and coking reactor. The colloidal or molecular catalyst promotes upgrading reactions that reduce the quantity of asphaltenes or other coke forming precursors in the feedstock, increase hydrogen to carbon ratio in the upgraded material, and decrease boiling points of hydrocarbons in the upgraded material.
|Electrocoagulation for treating liquids|
A method, a system and a kit for removing colloid contaminants from a fluid or suspension by destabilization thereof with addition of kinetic energy thereto are provided, the method to overcome the energetic barrier preventing an efficient fluid-solid separation comprises injecting the colloidal fluid containing contaminants in an electrolytic system including an electrocoagulation module comprising at least one anode and at least one cathode, the anode and the cathode being adapted to be electrically connected to perform electrolysis of the fluid, providing an electric current, between the anode and the cathode, to form electro-coagulated contaminants flocs in the agitated fluid, separating the electro-coagulated flocs from the fluid, and extracting the fluid from the electrolytic system.. .
|Materials and methods for converting biomass to biofuel|
This disclosure provides for materials and methods for converting biomass to biofuels. The materials include a colloid mill with or without cellulase enzymes, and the methods include the use of a colloid mill and optionally cellulose enzymes to pretreat biomass for use in a biomass to biofuel production process..
|Mri contrast agent for lymphography based on iron oxide nanoparticles and method for imaging lymph node using the same|
Provided are a contrast agent for contrast imaging lymph node, which includes iron oxide nanoparticles dispersed and stabilized in an aqueous medium by a mussel adhesive protein-mimetic copolymer, a method for contrast enhanced lymphography using the foregoing contrast agent, and a method for diagnosis of lymph node cancers using the foregoing contrast agent. Using such a mussel adhesive protein-mimetic copolymer, the surface of iron oxide is modified and dispersed well in water to prepare a colloidal solution, which in turn forms the contrast agent containing the colloidal solution.
Provided is a colloidal damper capable of harvesting electrical energy—that is, practical electrical power—from mechanical energy acting from the outside. This colloidal damper has: a cylinder; a piston which is guided and supported so as to reciprocate freely within this cylinder, and which combines with the cylinder to form a sealed space; a porous body having many pores and housed within the sealed space; an operating fluid which is housed together with the porous body in the sealed space and flows into the pores of the porous body when pressure is applied, and flows out from the pores of the porous body when the pressure is reduced; and a piezoelectric element installed in the sealed space..
A process for the production of biogas from biodegradable material is disclosed, the process comprising the steps of: (a) adding the biodegradable material to the reactor; (b) inoculating a microorganisms; (c) adding a colloidal solution of surface-modified iron oxide nanoparticles to the reactor; (d) providing anaerobic conditions; (e) carrying out an anaerobic digestion; and (f) collecting the biogas; wherein the steps (a), (b) and (c) can be carried out in any order.. .
|Metal coating of objects using plasma polymerisation pretreatment|
A method for applying a metal on a substrate comprises: a) applying a coating by treatment in a plasma, comprising a compound selected from alkanes up to 10 carbon atoms, and unsaturated monomers, and b1) producing polymers on the surface of said substrate, said polymers comprising carboxylic groups and adsorbed ions of a second metal, reducing said ions to the second metal, or alternatively b2) producing polymers on the surface, bringing the surface of said substrate in contact with a dispersion of colloidal metal particles of at least one second metal, and c) depositing said first metal on said second metal. Advantages include that materials sensitive to for instance low ph or solvents can be coated.
|Making high density polymer particles|
A method of making a high density organic polymeric particle, suitable for use in milling, includes the steps of: providing an oil phase including a high density metal, a metal modifying agent, a cross-linkable organic monomer mixture, and an oil soluble polymerization initiator; admixing the oil phase under high shear conditions in an aqueous medium to produce droplets of the oil phase in the aqueous medium; and adding a hydrocolloid to the aqueous medium containing the droplets of the oil phase. The method further includes polymerizing the droplets of the oil phase to produce high density organic polymeric particles comprising a cross-linked polymer host matrix and a high density metal wherein the high density metal is within the interior of the cross-linked polymer host matrix..
|Gelatin-free, isomaltulose-containing soft caramel|
Disclosed is a gelatin-free soft caramel including a soft caramel base mass that contains at least one polysaccharide hydrocolloid as texturing agent, a crystalline sweetener phase formed by isomaltulose, and a noncrystalline sweetener phase, wherein the caramel is gelatin-free. It can be made by providing a noncrystalline sweetener phase by dissolving at least one soluble sweetener in water, adding polysaccharide hydrocolloid, fat component, emulsifier and a part of the total amount of the isomaltulose to the noncrystalline sweetener phase, steam heating the mixture to a temperature of at least 100° c., adding the remaining isomaltulose to the heated mixture while stirring, incorporating air into the mixture and cooling..
A patch for covering a portion of the anatomical surface of a living being, said patch being able to adhere to the skin or mucosa, and/or a wound, said patch comprising a backing layer and a layer of a skin-friendly adhesive for adhering to the skin or mucosa, wherein said adhesive comprises hydrocolloid particles and zinc sulphate particles, wherein the ratio between the hydrocolloid particles and the zinc sulphate particles is from 4 to 22 w/w.. .
|Infused carbohydrate based gel pad for sustained oral transmucosal delivery|
The present invention provides an infused carbohydrate based gel pad comprising: glucose polymer syrup, sugar, a hydrocolloid gelling agent, salt, acid, water and an infusing compound for oral transmucosal delivery wherein the gel pad (i) provides transmucosal delivery of active ingredients of the infusing compound into the bloodstream over a predetermined period of time; and (ii) possesses the property of adhesion to gum line tissue of an oral cavity and lack of adhesion to buccal tissue of the oral cavity. The present invention further provides a method of making the infused carbohydrate based gel..
|In-line aqueous coating solution for solid ink jet web printing|
Coating compositions and their systems for protecting solid ink jet (sij) ink images printed on a substrate are provided by incorporating surfactants and colloidal silicas in overprint coating compositions for reducing or eliminating wetting defects of the coating compositions and for providing adhesion of dried coating compositions with the printed substrate having a low surface tension.. .
|Lead-frameless power inductor and method for fabricating the same|
A lead-frameless power inductor and its fabrication method are disclosed. The power inductor comprises a lower substrate, a coil provided on the lower substrate, and an intermediate layer which encloses the coil, wherein the lower substrate can be a soft magnetic entrainer or a non-magnetic entrainer.
|Residue concentration measurement technology|
A method and apparatus for measuring dissolved residue concentrations and particulate residue particle concentrations and size distribution in liquids, particularly colloidal suspensions. The method involves separating dissolved and particulate residues in liquids for subsequent analysis of the residue species.
|Nano-dispersions of coal in water as the basis of fuel related technologies and methods of making same|
Colloidal coal-in-water slurries having nano-particles of coal creating a pseudo-fluid. The colloidal coal-in-water slurry generally includes from about fifty to about seventy two weight percent of coal, with about 20 to about 80 percent of the coal having a particle size of about one micron or less with a mode particle size of about 250 nanometers.
|Hydrocolloid systems for reducing loss of volatile active compounds from their liquid formulations for pre- and post harvest use on agricultural crops|
Ethylene response manipulation formulations are disclosed. The formulations comprise at least one ethylene response manipulation agent which is at least partially encapsulated, a polyol liquid medium, or a hydrogel medium, or a combination of polyol and hydrogel medium.
|Three-dimensional (3d) porous device and method of making a 3d porous device|
A method of making a three-dimensional porous device entails providing a substrate having a conductive pattern on a surface thereof, and depositing a colloidal solution comprising a plurality of microparticles onto the surface, where the microparticles assemble into a lattice structure. Interstices of the lattice structure are infiltrated with a conductive material, which propagates through the interstices in a direction away from the substrate to reach a predetermined thickness.
|Preparation of nanocrystals for thermoelectric and solar cell applications using sulfide-based nanocrystal precursors in colloidal systems|
Disclosed herein is a method of synthesizing a nanocrystal. The method can include reacting a bismuth material, an antimony material, and a ligand together with a heat source.
|Acrylic acid polymer nanocomposites from aminosilane-modified colloidal silica|
This invention relates to compositions comprising blends of acrylic add polymers and/or ethylene acrylic add copolymers and colloidal silica modified with certain aromatic aminosilanes, aromatic aminoalkylsilanes, alkenyl aminoalkylsilanes, secondary or tertiary aliphatic aminosilanes. These compositions can provide improved properties such loss modulus, storage modulus, creep resistance, and wear resistance, without sacrificing optical clarity..
|Reversibly water-soluble nanocrystals|
A general, facile, and reversible nanocrystal (ncs) phase transfer protocol via ligand exchange using nucleotides and/or nucleosides is provided to generate reversibly water-soluble nanocrystals. This phase transfer strategy can be employed on a wide variety of chemically synthesized nanostructured materials including semiconductors, metal oxides and noble metals with different sizes and shapes.
|Highly stable colloid from aqueous solutions of small organic molecules|
The present invention is related to a mesoscale colloidal particle including a hydrophobe-rich core surrounded by hydrogen bonded outer shell. The outer shell includes water and at least one hydrotrope wherein the hydrotrope molecules form hydrogen bonds with water molecules.
|Modified silica particles|
The present invention relates to modified colloidal silica particles covalently linked to at least one polyalkyleneoxy moiety having at least about 3 alkyleneoxy units. The invention also relates to an aqueous dispersion thereof, and a method of producing such modified silica particles.
|Amine-accelerated process for the surface treatment of colloidal silica and products thereof|
This invention relates to the use of certain amine promoters in processes for surface-treating colloidal silica nanoparticles with selected aromatic aminosilanes, aromatic aminoalkylsilanes, and secondary and tertiary aliphatic aminosilanes. This process provides surface-modified nanoparticle colloidal silica without causing the silica nanoparticles to gel, agglomerate, or aggregate..
|Process for the surface treatment of colloidal silica and products thereof|
This invention relates to processes in which certain aminosilanes are used to surface-modify colloidal silica nanoparticles, while reducing or virtually eliminating the propensity of the silica nanoparticles to gel, agglomerate, or aggregate. The surface-modified colloidal silica nanoparticles can be readily dispersed in polymers to provide nanocomposites with one or more enhanced, desirable properties..
|Highly ordered arrays of colloidal 2d crystals and methods for producing the same|
The present invention relates to highly ordered arrays of colloidal 2d crystals on a substrate and to an improved method for producing the same. The method according to the invention for producing an highly ordered array of colloidal 2d crystals on a substrate comprises the following steps: a) providing a suspension of microspheres comprising poly-n-isopropylamide (polynipam), the microspheres being selected from pure poly-n-isopropylamide (polynipam) hydrogel microspheres, functionalized polynipam microspheres, and polymeric or inorganic beads carrying poly-n-isopropyl-amide (polynipam) hydrogel chains, in an aqueous medium on a substrate, wherein the aqueous medium comprises a mixture of water and a lower alkyl alcohol, b) subjecting the suspension deposited on the substrate after step a) to a shear force, and c) drying the suspension.
|Iron oxide nanoparticle dispersions and fuel additives for soot combustion|
Aqueous and substantially crystalline iron oxide nanoparticle dispersions and processes for making them are disclosed. The nanoparticle size and size distribution width are advantageous for use in a fuel additive for catalytic reduction of soot combustion in diesel particulate filters.
|High surface area carbon opals and inverse opals obtained therefrom|
A self-assembled carbon structure such as a carbon opal is disclosed herein. The structure is composed of hydrophilic carbon spheres oriented in a periodic colloidal crystal structure, wherein the carbon spheres have a porous surface, wherein the carbons spheres have an average particle diameter less than 3000 nm.
|Modified perfluoropolymer material|
An improved perfluoropolymer composite that uses a blend of a perfluoropolymer (such as ptfe) and a silicone polymer. By coating a substrate, such as glass fiber fabric, with a blend of a perfluoropolymer and a silicone polymer, an adhesive layer can be bonded either directly to the surface of the perfluoropolymer composite or to a perfluoropolymer composite that has been primed without the need to have otherwise treated the perfluoropolymer surface, such as either by etching or by the deposition of an intermediate coating containing colloidal silica or other similar agents, to make the surface bondable..
|Aptamer bioconjugate drug delivery device|
A delivery device for an active agent comprises nanoparticles based on a biopolymer such as starch. The delivery device may also be in the form of an aptamer-biopolymer-active agent conjugate wherein the aptamer targets the device for the treatment of specific disorders.
|Composites of mixed metal oxides for oxygen storage|
Provided are composites of mixed metal oxides comprising: a ceria-zirconia-alumina composite, wherein the alumina is present in an amount in the range of 1 to less than 30% by weight of the composite and the mixed metal oxide composite has a ceria reducibility of at least 50% after 12 hours of hydrothermal aging at 1050° c. In preparation thereof, a ceria-zirconia solid solution can optionally further comprise at least one rare earth oxide other than ceria and the alumina may be formed by using a colloidal alumina precursor.