348 results about "Porous solids" patented technology

Nucleic acids are fixed or immobilized to non-porous solid supports (substrates), and include systems containing such supports and arrays with fixed or immobilized nucleic acids. These compositions are useful for nucleic acid analyses and a host of applications, including, for example, detection, mutational analysis and quantification. The non-porous solid supports can be transparent or translucent, and the surfaces can be treated with agents to fix or immobilize the nucleic acids. Such agents include, for example, amine providing compounds, epoxy compounds and acid solutions. The fixed or immobilized nucleic acids can be unlabeled, or labeled with at least one non-radioactive signaling moiety, such as the case when the nucleic acids are double-stranded.

A method is provided for making low-cost CO2 sorbents that can be used in large-scale gas-solid processes. The improved method entails treating an amine to increase the number of secondary amine groups and impregnating the amine in a porous solid support. The method increases the CO2 capture capacity and decreases the cost of utilizing an amine-enriched solid sorbent in CO2 capture systems.

A specific embodiment of the present invention is a process for continuously producing a porous solid film of spacer-modified nano graphene platelets for supercapacitor electrode applications. This process comprises: (a) dissolving a precursor material in a solvent to form a precursor solution and dispersing multiple nano graphene platelets into the solution to form a suspension; (b) continuously delivering and forming the suspension into a layer of solid film composed of precursor material-coated graphene platelets overlapping one another, and removing the solvent from the solid film (e.g., analogous to a paper-making, mat-making, or web-making procedure); (c) continuously converting the precursor material into nodules bonded to surfaces of graphene platelets to form a porous solid film composed of spacer-modified graphene platelets; and (d) continuously collecting the porous solid film on a collector (e.g., a winding roller). The roll of porous solid film (mat, paper, or web) can then be cut into pieces for used as supercapacitor electrodes.

A solid electrolyte thermoelectrochemical system which employs a non-porous solid electrolyte as membrane between an anode compartment and a cathode compartment. The system utilizes the principles of a concentration cell using a non-porous inorganic solid electrolyte membrane and ionic solutions of differing concentration.

Methods and compositions are described whereby poorly water-soluble beneficial agents such as vitamins and co-factors are formulated into self-emulsifying formulas (SEF) and optionally sorbing the SEF into pores of porous solid particulates, or preparing supersaturated solutions (SSS) and sorbing the SSS into pores of porous solid particulates. These formulations are useful as dosage forms with oral availability.

A first fine particle-containing solution is deposited on an appropriate substrate, and dried to form a first fine particle aggregate layer. Polymer particles are deposited on the first fine particle aggregate layer, and are supplied with a second fine particle-containing solution such that the polymer particles are immersed in the second fine particle-containing solution. The second fine particle-containing solution is dried to form a second fine particle aggregate layer containing a large number of the polymer particles embedded. A first structure precursor is completed at this stage. Then, the first structure precursor is separated from the substrate, and thermally treated. Thus, the production of a first solid electrolyte structure, which has a porous solid electrolyte portion and a dense solid electrolyte portion integrated, is completed.

A method for preparing transparent mesostructured inorganic / block-copolymer composites or inorganic porous solids containing optically responsive species with selective optical, optoelectronic, and sensing properties resulting therefrom. Mesoscopically organized inorganic / block copolymer composites doped with dyes or complexes are prepared for use as optical hosts, chemical / physical / biological sensors, photochromic materials, optical waveguides, tunable solid-state lasers, or optoelectronic devices. The materials can be processed into a variety of different shapes, such as films, fibers, monoliths, for novel optical and sensing applications.

Disclosed is a mixer-distributor-collector apparatus for use between beds of solid particles in a fluid-solid contacting vessel. The apparatus includes a solids retaining screen, fluid deflector, passageway, fluid distributor, and flow manipulator. The flow manipulator is a device such as a honeycomb, porous solid, perforated plate, screen, or grid having an open area greater than the open area of the fluid distributor and is located below and spaced apart from the fluid distributor. The apparatus improves the fluid flow characteristics by minimizing or eliminating fluid velocity jets and / or other turbulence which can disturb the downstream particle bed. In an exemplary application, the invention finds use in simulated moving bed (SMB) adsorptive separation processes.

Apparatus for active in situ multi-element gas sparging for bioremediation or physico-chemical degration for removal of contaminants in a soil formation containing a subsurface groundwater aquifer or a substantially wet unsaturated zone, the multi-gas contained in bubbles, wherein the apparatus includes a plurality of injection wells extending to a depth of a selected aquifer; introducing an oxidizing agent comprising ozone mixed with ambient air to provide a multi-element gas by means of microporous diffusers, without applying a vacuum for extraction of stripped products or biodegration by-products, wherein said diffusers form micro-fine bubbles containing said multi-element gas that oxidizes, by stripping and decomposition, chlorinated hydrocarbons from the aquifer and surrounding saturated soil formation into harmless by-products; also including a pump for agitating water in the well selecting microbubbles, injecting them into the aquifer and effective to alter the path of micro-fine bubbles through a porous solid formation whereby enhanced contact between the oxidizing agent contained in each said bubble by stripping pollutant from solution in ambient water into the mini-atmosphere of each bubble effective to increase the efficiency and speed of remediation of a site.

A process that results in a flexible dissolvable porous solid article that can be used as a personal care composition or a fabric care composition.

An oil-containing solid in which liquid oil is contained in a large amount and from which oil seepage is slight; and a process for producing the same. The oil-containing solid is produced by impregnating a porous solid with a W / O emulsion. Further, use is made of the W / O emulsion having a water-soluble gellable substance incorporated in the water phase thereof. Consequently, the water-soluble gellable substance is converted to a gel in pores of the porous solid, thereby enhancing the liquid oil leakage preventing effect of the W / O emulsion.

A solid electrolyte structure containing a porous solid electrolyte is prepared. At least the porous solid electrolyte of the solid electrolyte structure is immersed in a first sol solution containing at least a precursor of an electrode active material as a solute. Then, the first sol solution, in which the porous solid electrolyte is immersed, is heated. A solvent of the first sol solution is evaporated by the heating, whereby a pore of the porous solid electrolyte is filled with a high concentration (a large amount) of the electrode active material precursor.

The invention relates to devices for performing single step assays for the determination of the presence or absence of an analyte in a liquid sample, and methods of determining the presence or absence of such analytes using such devices. Devices disclosed comprise a labeled analyte-binding reagent reversibly-immobilized on a non-porous solid material, which solid material is in physical contact with a dry porous carrier bearing an immobilized analyte-binding reagent. Also provided are quantitative assay devices.

A fluid storage and dispensing system, comprising: a fluid storage and dispensing vessel constructed and arranged for selective dispensing of fluid therefrom; a solid-phase support in the vessel; and an affinity medium on the solid-phase support, wherein the affinity medium reversibly takes up the fluid when contacted therewith, and from which the fluid is disengagable under dispensing conditions. The affinity medium may be a liquid, oil, gel, or solid (porous solid, thin film solid, or bulk solid). The system of the invention may be employed for the storage and dispensing of fluids such as hydride, halide and dopant gases for manufacturing of semiconductor products.

In an exemplary embodiment, a method is disclosed for developing an N-phasic finite element model for performing fully coupled analyses of multi-phase compositional fluid flow and heat flow in nonlinearly deforming porous solid media with time-dependent failure. The method can include formulating a finite element model of the behavior of a coupled solid-fluid formation, having complex geometry and behavior, and applying the model to derive the response of the formation in the form of one or more displacement fields for the solid phases and one or more pressure fields for the fluid phases in a zone of interest in a formation. In an exemplary embodiment, a system is disclosed for estimating the uncertainties in the derived displacement and pressure field solutions for the response of the fully coupled solid-fluid phases.

The present invention relates to novel 1,3-diimine copper complexes and the use of 1,3-diimine copper complexes for the deposition of copper on substrates or in or on porous solids in an Atomic Layer Deposition process. This invention also provides a process for making amino-imines and novel amino-imines.

The invention relates to a method for preparing a bionic extracellular matrix silk fibroin / chitosan composite nanometer fibre. The method comprises the steps as follows: (1) cocoons without pupas are cooked in Na2CO3 solution for three times, are cleaned and dried at the temperature of 45 DEG C and are dissolved in ternary solvent to be hydrolyzed, dialyzed and freeze-dried to obtain loose porous solid silk fibroin; (2) the silk fibroin is dissolved in hexafluoroisopropanol to obtain silk fibroin solution; (3) chitosan is dissolved in mixed solvent of HFIP and TFA to obtain chitosan solution; (4) the silk fibroin solution and the chitosan solution are mixed and stirred uniformly to obtain blended electrostatic spinning solution; and (5) the mixed solution is carried out electrostatic spinning to obtain silk fibroin / chitosan composite nanometer fibre. The silk fibroin / chitosan composite nanometer fibre has good mechanical property and degradation behavior and provides best bionic physiological environment for cell growth and tissue regeneration, and the preparation method is simple and easy for implementing and is easy for realizing industrialized production.

The invention relates to devices for performing single step assays for the determination of the presence or absence of an analyte in a liquid sample, and methods of determining the presence or absence of such analytes using such devices. Devices disclosed comprise a labeled analyte-binding reagent reversibly-immobilized on a non-porous solid material, which solid material is in physical contact with a dry porous carrier bearing an immobilized analyte-binding reagent. Also provided are quantitative assay devices.

A method of and apparatus for continuously making an organic ester from a lower alcohol and an organic acid is disclosed. An organic acid or salt is introduced or produced in an electrode ionization (EDI) stack with a plurality of reaction chambers each formed from a porous solid ion exchange resin wafer interleaved between anion exchange membranes or an anion exchange membrane and a cation exchange membrane or an anion exchange membrane and a bipolar exchange membranes. At least some reaction chambers are esterification chambers and / or bioreactor chambers and / or chambers containing an organic acid or salt. A lower alcohol in the esterification chamber reacts with an anion to form an organic ester and water with at least some of the water splitting with the ions leaving the chamber to drive the reaction.

Described are dissolvable, porous solid structures formed using certain vinyl acetate-vinyl alcohol copolymers. The copolymer and the porosity of the structure allow for liquid flow during use such that the structure readily dissolves to provide a desired consumer experience. Also described are processes for making open cell foam and fibrous dissolvable solid structures.

Disclosed are antimicrobial coating compositions. These coating compositions comprise (a) a film-forming resin; (b) a porous solid comprising pores having anti-microbial metal ions disposed therein; and (c) an onium compound.

A new device and method for detecting the presence of living microorganisms in test samples are described. The device comprises a container with at least one section transparent to light, a growth zone located in said container containing a mixture of growth media capable of supporting growth of the microorganisms, and at least one indicator substrate that changes its optical properties due to growth of the microorganisms. A detection zone is located in the container adjacent to the transparent section, and a barrier layer comprising porous solid material separates the two zones, allowing diffusion of molecules and ions of metabolic by-products of the organisms, while preventing microorganisms and particulate matter of the test sample from penetrating into the detection zone.

The invention belongs to the technical fields of gas purification and environment protection, and specifically relates to a solid adsorbent for removing H2S, CO2, CS2, COS, organic sulfur (mercaptan, etc.), and the like from mixed gas. The solid adsorbent is composed of a porous solid carrier and a loaded object. The porous solid carrier comprises active carbon, molecular sieve, silica gel, alumina, hydrotalcite, derivatives of hydrotalcite, and metal organic framework compounds (MOFs). The loaded object is composed of a main agent and an auxiliary agent. The loaded object accounts for 10 to 75 wt% of the weight of the porous solid carrier. The main agent accounts for 30 to 80% of the weight of the loaded object. The provided solid adsorbent is used to remove sulfur and carbon, can be used in reactors such as fixed bed reactor, moving bed reactor, and the like, can be used at a low temperature, and has the characteristics of adjustable selectivity, quick adsorption speed, large adsorption capacity, high removing rate of COS, CS2, and organic sulfur (mercaptan, etc.), and low energy consumption of regeneration.

The present invention relates to novel 1,3-diimine copper complexes and the use of 1,3-diimine copper complexes for the deposition of copper on substrates or in or on porous solids in an Atomic Layer Deposition process.

The invention provides a microbial carrier. The microbial carrier is in a porous solid form and contains a biodegradation material with the weight content of 50% or more, the specific surface area is 100-900 m<2> / g, the average pore size is 20 nm-0.4 mm, the microbial carrier is at least of a two-layer structure, and the average pore size of the surface layer is 50 nm-0.4 mm. The microbial carrier can provide larger living environment for microorganisms, provide a carbon source for growth and propagation of microorganisms particularly denitrifying bacteria, improve the concentration of microorganisms in unit volume and improve the microbiological treatment efficiency.

The invention discloses a supported ruthenium complex catalyst. The supported ruthenium complex catalyst comprises a porous solid carrier, and a ruthenium complex, a metal assistant and a nonmetal assistant which are supported on the surface of the carrier, and the ruthenium complex is one or more of a polypyridine ruthenium complex, a ruthenium porphyrin ruthenium complex, an aromatic hydrocarbonruthenium complex, a cyclic metal ruthenium complex, a DMSO ruthenium complex, an amine ruthenium complex and an imine ruthenium complex; the metal assistant is salt of one or more of In, Bi, Ba, Sr,Fe, Mn, Zn, Cs, Ca and Sn; the nonmetal assistant is an ionic liquid; and a ratio of the mass of the porous solid carrier to the theoretic mass of ruthenium in the ruthenium complex to the mass of the metal in the metal assistant to the mass of the nonmetal assistant is 100:(0.01-2):(0.01-3):(1-30). The catalyst has a very high stability in an acetylene hydrochlorination reaction, no obvious lossof the ruthenium is detected after the catalyst runs for 8000 h, the highest acetylene conversion rate reaches 99.95% or more, and the highest vinyl chloride selectivity reaches 99.95% or more.