78 results about "Chemical interaction" patented technology

Embodiments herein relate to a process for chemical interaction monitoring, such as employing data output from a Raman spectroscopy system relative to a composition undergoing the chemical interaction in a bioreactor. A system can comprise a memory that stores, and a processor that executes, computer executable components. The computer executable components can comprise an identifying component that identifies a raw dataset corresponding to a chemical interaction, and a matching component that generates matched data comprising a set of matches between time series data, corresponding to a range of time over which the chemical interaction was observed, and chemical interaction data comprised by the raw dataset.

An example system for detecting and quantifying drug and / or chemical interactions with a biological sample is provided. The system includes a detection instrument with computing capability. The system includes an assay device capable of receiving a biological sample. Introduction of the biological sample into the assay device results in a biological process by which fibrin and platelets may accumulate at a reaction zone of the assay device. The assay device is capable of receiving one or more chemical reagents and one or more drug reagents. The fibrin and platelets, and their associated signals, accumulated at the reaction zone of the assay device are usable to determine at least one of a drug presence, a drug class, a drug level in relation to a threshold, or a drug concentration, within the biological sample.

The invention discloses a wool knitted suede machine washable bio-based fabric and a preparation method thereof. According to the fabric, merino wool and bio-based nylon are blended to serve as raw materials, grey cloth is woven through a circular knitting machine and subjected to fulling milling treatment, then CO2 plasma is adopted for activating the wool fiber surface, and carboxyl and other polar groups are introduced to the wool fiber surface; then hydroxyl-terminated silicone oil reacts with the carboxyl, a uniform shrink-proof film is formed on the surface of the wool fiber, meanwhile, hydroxyl in the hydroxyl-terminated silicone oil can generate hydrogen bond or chemical action with the end group of the bio-based nylon, and therefore cross-fiber combination is constructed between the wool and the bio-based nylon. According to the invention, wool scales are effectively inhibited from being interlocked, the shrink resistance is obviously improved, and the interfacial compatibility of wool and bio-based nylon is enhanced, so that the fabric still keeps excellent dimensional stability and suede hand feeling under the condition of multiple times of machine washing. The method is green and environment-friendly, the process is simple and convenient, and the obtained fabric meets the machine washable and bio-based environment-friendly requirements.

A method of monitoring a chemical process in a column apparatus using a measurement system is disclosed, the column apparatus being configured to contain a solid stationary phase, receive a liquid mobile phase, and enable flow of the mobile phase through the stationary phase in a flow direction. The measurement system comprises a set of electrodes arranged at a sensing location of the column apparatus. The method comprises: providing the solid stationary phase within the column apparatus; causing the liquid mobile phase to flow through the stationary phase in a flow direction; applying an electrical stimulation to the set of electrodes; receiving an electrical signal from the set of electrodes; and determining one or more characteristics of a chemical interaction between the solid stationary phase and the liquid mobile phase by processing the electrical signal received from the set of electrodes.

Novel nanoconjugate compositions, such as nanoparticle-oligomer arrays (NOAs), and related methods for precision therapeutics and molecular diagnostics. These compositions comprise a core, optionally a nanoparticle core, and a plurality of oligomeric strands forming a dense, highly oriented three-dimensional scaffold. This scaffold architecture is engineered to position functional molecules precisely at desired distances from the core and / or the external surface, thereby controlling their physical and chemical interactions with the core and / or microenvironment, enabling distinct functionalities not observed with the functional molecules in an unstructured formulation.

The present disclosure provides methods for inhibiting scale formation in subterranean reservoirs. The methods may include depositing silica-based nanoparticles on a surface of the subterranean reservoir and transporting a scale inhibitor to the surface of the subterranean reservoir. The scale inhibitor may adhere to the silica-based nanoparticles through a chemical interaction. The silica-based nanoparticles may adhere to one or more surfaces within the subterranean reservoir.

This invention relates to a method for highly selective adsorption of low partial pressure CO2 using an ultraporous azole ionic liquid material, belonging to the field of gas separation and purification technology. The ultraporous ionic liquid material is an ionic adsorbent with selective CO2 adsorption sites and an ultraporous pore distribution, formed by modifying the surface and pore structure of a porous support with multi-site azole ionic liquids. This method is simple to synthesize and easy to scale up. Furthermore, due to the strong chemical interaction between the electronegative sites on the ionic liquid anions and CO2, as well as the ultraporous effect, it synergistically enhances the efficient capture and separation of low partial pressure CO2. Simultaneously, CO2 can be completely desorbed by heating or depressurization. The regenerated ultraporous ionic liquid material is recyclable and exhibits stable performance. This method has advantages such as high capacity and selectivity for low partial pressure CO2, good stability, and recyclability, and has great potential for application in CO2 capture and purification separation.

Electrochromic devices having buffer layer(s) promoting electron transfer between the second transparent electrode and second electrochromic layer while concurrently reducing or inhibiting deleterious chemical interaction between the second electrochromic layer and the second electrode and / or maintaining the conductive state of the second electrode while the device changes from a low transparency of approximately 10-20% transmittance in the visible region to a high transparency of approximately 75% to 95% transmittance with at least a 70% difference in transmittance between the low and high transmittance states and promotes longevity of the device. In certain aspects, the electrochromic devices change from a low transparency state having a gray color to a high transparency state that is substantially colorless within 20 seconds of applying the selective electrical potential to the electrochromic device. The electrochromic device is operated by electrically holding and controlling electrons going into the electrochromic device so a surface reflectivity level varies.

The invention discloses a multifunctional guanidine salt doped perovskite solar cell and a preparation method thereof. The cell comprises an ITO (indium tin oxide) conductive glass substrate layer, a hole transport layer (MeO-4PACz), a perovskite layer Cs0.05 (FA0.95 MA0.05) 0.95 Pb (I0.95 Br0.05) 3 doped with biguanide hydrochloride (BH), a [6, 6]-phenyl-C61-butyric acid isomethyl ester electron transport layer (PCBM), a 2, 9-dimethyl-4, 7-biphenyl-1, 10-phenanthrene hole blocking layer (BCP) and a metal Ag electrode layer from bottom to top. During preparation, by means of the strong chemical action of nitrogen atoms in BH and Pb < 2 + > ions, the crystallization direction of perovskite is changed, the defect state density is reduced, non-radiative recombination is inhibited, and the carrier separation and transmission efficiency is improved. According to the invention, BH is introduced into the perovskite active layer, so that the application of guanidine derivatives in perovskite photovoltaic materials is expanded, and a new way is provided for preparing stable and efficient perovskite solar cells.

This description relates to a battery element comprising the following: - Electrodes including an anode and a cathode, and - An electrolyte comprising a crystalline material having the composition M2B2O5.x(HOH).y(NOH) between the electrodes. Here, M and N are alkali metals or hydrogen or a mixture of alkali metals or hydrogen, B is titanium, O and H represent elemental oxygen and hydrogen, respectively, and x and y are between 0 and 4 and indicate the presence of H+, OH-, and N+ ions that can move within the crystalline material. In particular, at least one type of ion among H+, OH-, N+, and M+ is mobile to move toward at least one of the electrodes within the crystalline material, and at least one of the electrodes is made of a material suitable for performing chemical interactions with at least one of the H+, OH-, N+, and M+ ions.

A method including receiving environmental data, sensor data, and a multi-state model are received for an object. The object includes a first material and a second material that galvanically or chemically interacts with the first material. Each of distinct galvanic or chemical state of the object represents a corresponding different equation applicable to a corresponding specific galvanic or chemical interaction between the first and second materials. A stochastic optimization operation is performed on the multi-state model until convergence on candidate sets of galvanic or chemical material change rates for the distinct galvanic or chemical states of the object. A correlation model is generated for a surrogate parameter for the second physical parameters by correlating the environmental data to the sensor data using the candidate sets of galvanic or chemical material change rates. An aircraft design is generated using the correlation model.

The present invention discloses a conductive structural color hydrogel for monitoring and treating myocardial infarction (MI), as well as its preparation method and application. The hydrogel comprises: a conductive nanomaterial having a catechol group; HPC cholesteric liquid crystal; a matrix material; and a crosslinker. The conductive structural color hydrogel is formed through physical and / or chemical interactions among the conductive nanomaterial, the HPC cholesteric liquid crystal, the matrix material, and the crosslinker. The conductive structural color hydrogel of the present invention exhibits enhanced electromechanical and mechanochromic response characteristics, possesses photoelectric dual-signal sensing capabilities, and can accurately, in real time, and visually monitor mechanical stimulation. It can be used as a flexible sensing material to prepare products that provide visual and digital feedback of mechanical stimulation, as well as products that compensate for and / or repair electrical conduction in biological tissues. In particular, it can be used to prepare conductive structural color hydrogel patches for monitoring and / or treating myocardial infarction (MI), and has broad application prospects.

The application discloses a hydrogen loss prediction method for an underground hydrogen storage library, and relates to the underground hydrogen storage field.The method comprises the following steps: obtaining time-varying flux of dynamic gas charging and discharging of the underground hydrogen storage library, and establishing a balance physical model of the underground hydrogen storage library; according to a dissolution trend of different minerals under a hydrogen gas, fluid and rock chemical reaction system, a dissolution kinetics model of the different minerals is established; then, the time-varying flux of dynamic gas charging and discharging of the underground hydrogen storage library is combined with the balance physical model and the dissolution kinetics model to solve, so that the change conditions of mineral composition, solution composition and gas composition in the underground hydrogen storage library are obtained, and the hydrogen storage condition of the underground hydrogen storage library is predicted.The application fully considers the complex physical and chemical interaction between hydrogen and reservoir media in the dynamic charging and discharging process of the underground hydrogen storage library, realizes the prediction of hydrogen loss, and improves the efficiency of safe and stable operation of the underground hydrogen storage library.

The invention relates to a biosensor and a method of detecting a target substance by using the biosensor. The biosensor according to an embodiment of the invention includes a reaction layer generating a hydrogen ion through a physical and / or chemical interaction with a target substance in a specimen, a hydrogen ion transfer layer formed on one side of the reaction layer to transfer the hydrogen ion generated in the reaction layer, and a phase transition layer formed on one side of the hydrogen ion transfer layer, in which a phase of a substance changes due to the hydrogen ion transferred from the hydrogen ion transfer layer.

The invention discloses preparation and application of a gold cluster compound for targeted therapy of acute kidney injury diseases, and relates to the field of nephropathy treatment medicines. The molecular composition (Au) is x (S) y, x is equal to 3-144, y is equal to 1-140, and S is a sulfydryl-containing renal injury target protein binding peptide or a sulfydryl-modified renal injury target protein binding peptide. The method comprises the following steps: mixing a gold salt solution with a sulfydryl-containing ligand to form a mixed solution; under the conditions of certain temperature and pH, the mixed solution system is subjected to a reduction reaction, high-valence Au ions in the gold salt are reduced into Au atoms or monovalent Au ions, and Au forms a gold cluster compound through physical or chemical interaction; the cluster compound disclosed by the invention has remarkable treatment activity in a cis-platinum induced acute kidney injury model, and the acute kidney injury is treated in a targeted manner by inhibiting over transcription and expression of pro-inflammatory cytokines and removing reactive oxygen species (ROS).

The invention provides a composite solid electrolyte as well as a preparation method and application thereof, and the composite solid electrolyte comprises the following raw materials in parts by weight: 50-100 parts of inorganic filler; 5 to 15 parts of a plasticizer; 5 to 15 parts of lithium salt; 1-5 parts of a cross-linking agent and 5-20 parts of a chain extender. The composite solid electrolyte comprises the inorganic filler, the plasticizer, the lithium salt, the cross-linking agent, the chain extender and other components, complex physical and chemical interaction exists among the components, and the composite solid electrolyte with high ionic conductivity, excellent mechanical performance and electrochemical stability is jointly constructed. Through performance optimization of the composite electrolyte, the problems of large thickness, high brittleness and poor interface contact of a traditional inorganic solid electrolyte layer are solved, and powerful technical support is provided for development and commercial application of a solid-state battery.

To provide a method for modifying a target nucleic acid.SOLUTION: A method comprising contacting a target nucleic acid with (a) a Type V CRISPR-Cas effector protein, (b) a deaminase (wherein the target nucleic acid may be contacted with two or more deaminases), and (c) a guide nucleic acid, wherein the deaminase is recruited to the Type V CRISPR-Cas effector protein (for example, recruited via a protein-to-protein interaction, an RNA-to-protein interaction, and / or a chemical interaction), thereby modifying the target nucleic acid, wherein the Type V CRISPR-Cas effector protein, the deaminase, and the guide nucleic acid may be co-expressed.SELECTED DRAWING: Figure 1

This invention belongs to the field of battery technology, specifically relating to a dual-network gel electrolyte, its preparation method, and its application. The raw materials of the dual-network gel electrolyte include a first polymer, a second polymer, a metal salt, a plasticizer, a crosslinking agent, and a solvent. The first polymer forms a flexible first network through chemical crosslinking, serving as the main channel for ion transport to ensure high ionic conductivity. Simultaneously, the second polymer is introduced, interpenetrating with the first network through physical or chemical interactions to form a second network. This structure, through synergistic action, preferentially causes reversible damage to the second network to dissipate energy when subjected to external forces (such as zinc dendrite growth stress), thereby protecting the integrity of the main chain structure and ion channels of the first network. Ultimately, the gel achieves excellent mechanical properties such as high toughness and puncture resistance while maintaining high ionic conductivity and excellent capacity retention, solving the problem of mutual constraint between the two in traditional solutions.

The invention discloses a method for detecting tobramycin based on an organic-inorganic hybrid copper cluster ratio fluorescent probe. A metal doped cluster CuCoNCs (at) PVP emitting blue fluorescence is synthesized, on the basis, a second fluorescent dye probe fluorescein sodium is introduced through physical and chemical interaction, an organic-inorganic hybrid copper cluster ratiometric fluorescent probe (CuCoNCs (at) PVP / FluNa) is constructed, the ratio F513 / F417 of the fluorescence intensity of the system at 513 nm to the fluorescence intensity of the system at 417 nm is used as an output signal, and the fluorescence intensity of the CuCoNCs (at) PVP and the fluorescence intensity of the CuCoNCs (at) PVP are detected. The precise detection on the tobramycin is realized.

The invention provides a nanogold nucleic acid probe as well as a preparation method and application thereof. Firstly, a nanogold nucleic acid probe is provided, the nanogold nucleic acid probe is composed of nucleic acid and nanogold, the nucleic acid is modified with a phosphate group, and the phosphate group is connected with the surface of the nanogold through chemical interaction. The invention further provides a preparation method and application of the nanogold nucleic acid probe. The invention provides a nucleic acid-nanogold coupling strategy based on phosphoric acid group modification for the first time, efficient combination and stable connection of the nucleic acid probe and nanogold are realized by modifying the phosphoric acid group at the 5'or 3 'end of nucleic acid and utilizing the chemical interaction between the phosphoric acid group and the surface of the nanogold, and the nucleic acid probe has high sensitivity and high sensitivity. And an efficient solution is provided for large-scale preparation and diversified application of the nanogold nucleic acid probe.

The present disclosure relates to a composition for three-dimensional cell and / or organoid culture, comprising a phase-changing matrix comprising a partially ordered polypeptide, and a plurality of cells encapsulated in the matrix. In embodiments, the plurality of cells comprises one or more cell types, including at least one cell type selected from the group consisting of: bone-marrow derived mesenchymal stem cells and adipose-derived mesenchymal stem cells. In embodiments, the one or more cell types comprises mesenchymal stem cells, the partially ordered polypeptide comprises at least one chemically-interactive sequence such as arginylglycylaspartic acid (RGD) sequence, the matrix forms a porous network when heated above a transition temperature, and the partially-ordered polypeptide comprises a plurality of structured domains, and a plurality of disordered domains.

The present invention discloses an experimental system and method for the interaction between a liquid fuel high-pressure combustion flame and a wall surface, which relates to the field of engine technology. The present invention simulates different operating conditions inside the engine through a controllable combustion reaction chamber adjusted under a high-pressure range, and uses a flat-plate slit burner to simulate the collision process between the flame and the wall surface in the engine cylinder. At the same time, an electrical automatic control device is used to control the variable conditions in the combustion experiment to achieve a systematic study of the flame-wall physical and chemical reaction process. The experimental system of the present invention can conduct in-depth research on the stability, flame structure and pollutant emissions of the efficient combustion process in the engine in a very short time. In addition, the experimental device integrates the use of Internet of Things technology, which realizes simple operation and visualization of experimental data, reveals the physical and chemical interaction mechanism between the gas phase flame and the solid phase wall surface, and provides an important reference for the improvement and structural optimization of the efficient and clean combustion technology of the engine.

A conformable cover plate can be used to provide a barrier layer between ceramic matrix composite (CMC) components of jet engines and metallic ancillary hardware that is used, for example, to support the CMC components within the engine. The cover plate conforms to a structure feature of the CMC component that will be in close proximity to the ancillary hardware. By acting as a barrier layer, the conformable cover plate can reduce abrasion of the CMC material and / or prevent or ameliorate undesired chemical interactions between SiC-containing CMCs and Ni-based metals. Further, the conformable cover plate can act as a heat shield to lower heat transfer between CMC components and the ancillary hardware.

The invention relates to the technical field of metal surface treatment, and provides a graphene oxide coating-copper-based composite material and a preparation method and application thereof. An interface chemical engineering strategy is adopted, oxygen-containing functional groups such as-OH and-COOH are modified on the surface of a copper substrate through solvothermal reaction, then the obtained functionalized copper substrate is immersed in graphene oxide dispersion liquid, and graphene oxide nanosheets are dried and induced to coat the surface of the copper substrate. The oxygen-containing functional groups on the surface of the functionalized copper substrate and the oxygen-containing functional groups on the surface of the graphene generate chemical interaction, so that the interface bonding strength of the graphene oxide coating and the copper substrate can be effectively improved, the graphene oxide coating can continuously generate a lubricating effect, the friction coefficient is kept below 0.2 for a long time, meanwhile, the wear resistance of the material is enhanced, and the service life of the material is prolonged. The wear rate is obviously reduced compared with a pure copper substrate. The problems that a traditional graphene oxide coating is easy to peel off and loses efficacy in lubrication due to weak interface bonding are solved, and the application prospect is wide.

This invention discloses a method for preparing a starch-based ionic porous polymer (H-ST-LA-IL) and its application. The method first modifies starch with lactic acid under the action of a catalyst to obtain lactic acid-starch. Then, the lactic acid-starch is reacted with an ionic liquid and lactic acid free radicals under the action of an initiator to obtain ionic liquid-functionalized starch. Finally, under a N2 atmosphere, the ionic liquid-functionalized starch, a crosslinking agent, and 1,2-dichloroethane are mixed uniformly, a catalyst is added, and the mixture is heated to react. The mixture is then filtered, Soxhlet extracted, and dried to obtain H-ST-LA-IL. This invention utilizes the chemical bonding of the ionic liquid to the starch molecular chain, acting as a crosslinking reaction site to generate strong chemical interactions with the crosslinking agent molecules, thereby increasing the crosslinking strength of the crosslinking agent on the starch molecular chain and constructing a high specific surface area starch-based ionic porous material. The basic groups of the ionic liquid can construct an alkaline adsorption microenvironment within the pores of H-ST-LA-IL, thus achieving efficient capture of aldehyde VOCs.

This invention proposes an oxygen-enriched three-phase photocatalyst based on a superhydrophobic carbon nitride mesh, its preparation method, and its application. The method involves preparing a porous carbon fiber felt substrate through multi-stage ultrasonic cleaning, obtaining a carbon nitride mesh via pyrolysis, and then preparing a nitrogen-vacancy-modified carbon nitride mesh using argon-oxygen plasma etching. A gradient-grafted donor-acceptor composite material is prepared through gas-phase contact modification combined with liquid-phase photolithography and gradient thermopressing bonding, synergistically constructing an oxygen mass transfer channel at the gas-liquid-solid three-phase interface to achieve oxygen-enriched photocatalysis. This invention prepares the gradient-grafted donor-acceptor composite material through gas-phase contact modification combined with liquid-phase photolithography and gradient thermopressing bonding processes, constructing a robust chemical bonding interface on the carbon nitride mesh surface. This significantly enhances the bonding strength between the modified layer and the substrate material, overcoming the problem of easy detachment of the modified layer caused by relying solely on physical adsorption or weak chemical interactions in existing technologies.

The method comprises at least the steps of: - Bringing into contact at least one first directed flow of at least one divided solid exiting from at least one first orifice, and at least one second directed flow of at least one liquid exiting from at least one second orifice, in at least one contact zone delimited by the volume corresponding to the zone(s) of intersection of the at least one directed flow of at least one divided solid and the at least one directed flow of at least one liquid, the at least one directed flow of at least one divided solid and the at least one directed flow of at least one liquid being intersecting, - Producing the product in said at least one contact zone, during the duration of contacting the flows by activating physical, physicochemical and / or chemical interactions and affinities of the species brought into contact in the previous step, - Providing at least one directed flow of the exiting product. Abstract figure: Figure 40

The invention relates to the technical field of civil engineering materials, in particular to modified steel fiber concrete and a preparation method thereof, and the concrete comprises the following raw material components in parts by weight: 350-450 parts of cement; 30 to 50 parts of fly ash; 80 to 120 parts of slag; 20 to 25 parts of silicon powder; 1100 to 1200 parts of stone; 130 to 150 parts of water; 1.0 to 1.8 parts of a water reducing agent; 15 to 20 parts of modified steel fiber; and 0.8 to 1.2 parts of polypropylene fiber. The caffeic acid molecules and the surface of the steel fiber form strong chemical interaction, a traditional physical bonding mode is fundamentally changed, the interface bonding strength and the mechanical property of a concrete matrix are improved, and a compact modified film is formed to enhance durability. Therefore, the problems of environmental pollution, poor cement matrix compatibility and the like are solved.

This invention relates to the field of fuel additive technology, specifically to a nano-magnesium hydride-attapulgite composite fuel additive and its preparation method. The additive consists of nano-magnesium hydride, a modified attapulgite carrier, and a cerium-based combustion-supporting catalyst, with a mass ratio of 1:(5-20):(0.01-0.1). The modified attapulgite carrier is a surface-grafted graphene-coated composite carrier material. This application achieves anchoring by isolating nano-magnesium hydride particles through a physical barrier network of graphene sheets and by overcoming the strong chemical interaction between the grafted functional groups and nano-magnesium hydride, thus solving the core problems of unstable dispersion, easy agglomeration and deactivation, and insufficient carrier compatibility and anchoring ability. Under the high-temperature environment of the combustion chamber, the highly active hydrogen species released by the decomposition of nano-magnesium hydride can hydrogenate and crack fuel macromolecules and soot precursors, accelerating the combustion chain reaction. The cerium-based compounds provide continuous active oxygen for deep oxidation of soot through their oxygen storage and release function.

The invention discloses a method for accurately measuring interaction force among mineral particles based on anisotropy of a mineral crystal face, and belongs to the field of measurement of physical and chemical interaction of mineral surfaces. According to the invention, the piezoelectric sensor drives the colloid probe on the AFM needle-point-free cantilever to get close to the surface of a single mineral crystal face and get away from the single mineral crystal face, so that the interaction process of two mineral particles is simulated, and accurate measurement of the interaction force between the particle surfaces is realized in combination with an EDLVO theoretical model. Compared with the traditional characterization means, the method has the advantages that the theoretical fitting error is greatly reduced, the interaction force in the particle aggregation process and the like can be measured more directly, microcosmically and accurately, the evolution rule of the anisotropy of the mineral crystal face is further clarified, and the crystal face dependence of the interaction force among the mineral particles is revealed.