99 results about "Chemical interaction" patented technology

The invention discloses conductive structural color hydrogel for MI monitoring and treatment as well as a preparation method and application of the conductive structural color hydrogel. Comprising a conductive nano-material, and the conductive nano-material has a catechol group; an HPC cholesteric liquid crystal; a matrix material; a cross-linking agent; the conductive structural color hydrogel is formed through physical and / or chemical interaction among the conductive nano material, the HPC cholesteric liquid crystal, the matrix material and the cross-linking agent. The conductive structural color hydrogel has enhanced electromechanical response and force-induced discoloration response characteristics, has a photoelectric double-signal sensing function, can accurately and visually monitor mechanical stimulation in real time, can be used as a flexible sensing material, is used for preparing products capable of realizing visual feedback and digital feedback of mechanical stimulation, and has wide application prospects. And the hydrogel can be used for preparing a product for compensating and / or repairing electrical conduction of biological tissues, especially can be used for preparing a conductive structural color hydrogel patch for monitoring and / or treating myocardial infarction (MI), and has a wide application prospect.

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.

The invention discloses a ruthenium-based catalyst, a preparation method of the ruthenium-based catalyst and application of the ruthenium-based catalyst in hydrogen production through ammonia decomposition. The ruthenium-based catalyst comprises a carrier and an active component loaded on the carrier, the carrier is CeO2; the active component is metal ruthenium, and ruthenium atoms are dispersed on the surface of CeO2 in a monatomic form. The chemical interaction between the oxide carrier and Ru is utilized, so that Ru is dispersed on the surface of CeO2 in an atomic scale, the loading capacity of metal Ru in a traditional Ru-based catalyst is effectively reduced, and the atom utilization rate of precious metal is increased. The Ru monatomic catalyst can be used in the process of hydrogen production through ammonia decomposition, and ammonia gas (the chemical formula is NH3) is catalyzed to be decomposed to produce nitrogen (the chemical formula is N2) and hydrogen (the chemical formula is H2) under the condition of high temperature. The catalyst is simple in preparation method, high in stability and low in cost, and has a wide application prospect in the field of hydrogen energy utilization such as ammonia decomposition hydrogen refueling stations.

The invention discloses a high-open-voltage trans-perovskite cell based on an interface modification material and a preparation method of the high-open-voltage trans-perovskite cell, and belongs to the technical field of perovskite cells. According to the method, the surface of the FAMACsPb (I < 1-x > Brx) 3 perovskite light absorption layer is subjected to surface modification by using 4-(trifluoromethyl) benzylamine hydrochloride. 4-(trifluoromethyl) benzylamine hydrochloride and perovskite have a strong mutual chemical effect, defects on the surface of the perovskite can be effectively passivated, and a benzene ring in the 4-(trifluoromethyl) benzylamine hydrochloride serves as an electron-rich group, plays an electron donating role and can passivate positive defects on the surface of the perovskite; in addition, the C-F bond and the C-N bond play an electron withdrawing role, so that the negative electricity defect of the perovskite can be effectively passivated. Due to the multifunctional passivation effect of the 4-(trifluoromethyl) benzylamine hydrochloride on the surface defects of the perovskite, the defect state density of the surface of the perovskite is obviously reduced, and the performance of the perovskite battery is improved.

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.

The present invention discloses a high-efficiency demulsifier for oily sludge and a preparation method thereof, belonging to the technical field of sludge treatment. Octylphenol polyoxyethylene ether is dissolved in water, stirred and then transferred to a flask. The temperature is raised to 60 °C, and an aqueous solution of peroxide is added. Under nitrogen protection, the temperature is raised to 80 °C, and methyl methacrylate, butyl acrylate and an auxiliary agent are added. After maintaining the temperature for 30-60 minutes, the temperature is lowered to 60 °C, and an aqueous solution of hydroquinone is added. After maintaining the temperature for 30 minutes, a primary demulsifier is obtained; the primary demulsifier, sodium silicate and water are stirred to prepare a high-efficiency demulsifier for oily sludge; there is a chemical interaction between the auxiliary agent containing a quaternary ammonium salt structure and methyl methacrylate and butyl acrylate, and graft crosslinking occurs, and then they act synergistically to jointly improve the demulsification effect of the demulsifier. In addition, due to the combined action of raw materials such as the non-ionic demulsifier - octylphenol polyoxyethylene ether, the inorganic demulsifier - sodium silicate and hydroquinone, the demulsifier for sludge in the present invention has an efficient and stable demulsification effect.

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 invention discloses a multi-layer composite adhesive tape and a preparation method thereof, and belongs to the technical field of new adhesive tape materials. The multi-layer composite adhesive tape is composed of a bottom base film layer, a lower bonding layer, a middle base film layer, an upper bonding layer and a release film layer, the modified adhesive is prepared by the following steps: fully stirring 50-60 parts by weight of polyester resin, 30-40 parts by weight of epoxy resin, 10-15 parts by weight of an auxiliary agent and 20-30 parts by weight of a solvent, adding 5-15 parts by weight of a curing agent, stirring, and filtering. The auxiliary agent contains calcium carbonate, an organic anti-aging structure, an inorganic anti-aging component, organic flame-retardant elements including nitrogen and silicon and an inorganic flame-retardant component, and the auxiliary agent has chemical action with the epoxy resin and the curing agent, so that the auxiliary agent can stably play a role, and the modified adhesive and the adhesive tape have excellent anti-aging property, flame retardance and the like.

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.

The invention belongs to the technical field of chemical catalysis, and discloses a catalyst, preparation method and application for preparing butadiene by ethanol coupling. The catalyst for preparing butadiene by ethanol coupling is a rare earth phosphate modified by a transition metal. Under the conditions of reaction temperature of 200-500°C and reaction pressure of 1-50 atm, the ethanol raw material is introduced into a reactor loaded with the catalyst by a carrier gas, and the reaction gas flow rate is 20-200 mL·min ‑1 , directly catalyzing the conversion of ethanol to butadiene. The catalyst of the present invention has high butadiene selectivity and excellent stability, and the activity is well maintained within 30 hours of testing, mainly because the rare earth phosphate material surface has abundant Lewis acid sites, which can promote the condensation of acetaldehyde intermediates; at the same time, the transition metal and the phosphate group on the surface of the rare earth phosphate are bonded by chemical bonds, and have strong chemical interaction, which ensures the stability of the transition metal under reaction conditions.

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.

The invention discloses a poly (p-phenylene benzobisoxazole) nanofiber composite film, a preparation method thereof and application of the poly (p-phenylene benzobisoxazole) nanofiber composite film in solar interface water evaporation. The composite film is prepared from a carbon nanomaterial and PBO fibers through a sol-gel-freeze drying method. The PBO nanofiber and the carbon nanomaterial can be combined together through physical and chemical interaction to form a stable structure. The interaction can enhance the interface bonding force of the composite material, prevent agglomeration and falling of carbon nano materials such as carbon nano tubes and the like, improve the stability of the material and prolong the service life of the material. The carbon nanomaterial has relatively high strength, and can be mutually enhanced after being combined with the PBO nanofibers, so that the mechanical property of the composite material is further improved. The solar-driven interface water evaporation device based on the PBO nanofiber / carbon nanomaterial composite film can be used for application scenes such as seawater desalination, sewage treatment, solar-driven water evaporation power generation and the like.

The invention belongs to the technical field of battery electrolyte, and particularly relates to aqueous zinc ion battery electrolyte, an aqueous zinc ion battery and a preparation method. The aqueous zinc ion battery electrolyte provided by the invention comprises the following components: a solvent, zinc salt, sucralose and hydroxy propyl distarch phosphate. Wherein the sucralose can be adsorbed to an anode / electrolyte interface through chemical interaction, the growth problem of interface byproducts and dendrites can be effectively relieved, the nucleation overpotential of zinc can be reduced, nucleation sites are increased, uniform nucleation is promoted, and 3D diffusion growth is carried out, so that the polarization voltage of the battery in the charging and discharging process is reduced, and the service life of the battery is prolonged. And a uniform zinc deposition surface mainly comprising a (002) crystal face is obtained. The hydroxy propyl distarch phosphate can act with water to inhibit the reaction activity of the water, so that side reactions related to the water in the charging and discharging process are inhibited. The aqueous zinc ion battery based on the electrolyte has relatively high specific discharge capacity and cycling stability.

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.

This technology provides non-invasive gastrointestinal sampling. In some embodiments, the device includes a capsule housing that defines a cavity, a sampling aperture formed within the capsule housing that provides fluid communication between the cavity and the exterior of the capsule housing, a luminescent substrate layer positioned within the cavity, the luminescent substrate being configured to emit luminescent light when exposed to a sample fluid containing a luminescence trigger, at least one additional substrate layer positioned within the cavity between the sampling aperture and the luminescent substrate, each of the at least one additional substrate layer being configured to chemically interact with the sample fluid, a photodetector positioned within the cavity and configured to detect the luminescent light, and a biodegradable coating that closes the sampling aperture, the degradation of the biodegradable coating exposing the sampling aperture and enabling fluid to flow into the cavity.

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.

An electronics enclosure includes first and second enclosure components sealingly joined to one another along a seam thereby defining a stress location. A coating is disposed at the stress location to inhibit chemical interactions with the stress location, thereby maintaining the integrity of the seam. Another electronics enclosure includes at least one sealed enclosure component including a feature that defines a stress location on the at least one sealed enclosure component. A coating is disposed at the stress location to inhibit chemical interactions with the stress location, thereby maintaining the integrity of the at least one sealed enclosure component.