1765 results about "Electrophoreses" patented technology

A switchable light modulating device with an electrophoretic medium disposed between a first light-transmissive electrode layer and a second electrode layer. The device includes one or more apodization structures in a bottom of a cell that contains the electrophoretic fluid, and the apodization structures reduce optical interference when the cell is in an open state and the structure is viewed with reflected or transmitted light passing through the apodization structure.

The invention belongs to the technical field of biomedical engineering, and particularly relates to a preparation method and application of a titanium dental implant surface coating, and the preparation method comprises the following steps: S1, pretreatment of a titanium dental implant matrix: sequentially carrying out grinding and polishing, ultrasonic cleaning and acid etching treatment; s2, preparation of a coating precursor solution: adding nano-hydroxyapatite powder, chitosan, gelatin and titanium dioxide nanoparticles into deionized water, stirring to form a suspension, then adding a silver nitrate solution, and continuously stirring to form the coating precursor solution; s3, coating a coating: coating the surface of the pretreated titanium dental implant matrix with the coating precursor solution by adopting an electrophoretic deposition method; and S4, drying and sintering: drying and sintering the coated titanium dental implant. According to the preparation method of the titanium dental implant surface coating, provided by the invention, the bonding strength between the coating and the titanium dental implant matrix can be improved.

The invention discloses a heat allocation system based on a heat pump. The heat allocation system comprises a water tank; a water source heat pump; an air source heat pump; a cooling tower; a cooling water circulation system; a hot water circulation system; a chilled water circulation system; an exhaust heat recovery system; wherein the water tank, the water source heat pump, the air source heat pump, the cooling tower, the cooling water circulation system, the hot water circulation system, the chilled water circulation system and the exhaust heat recovery system are connected with one another to realize heat allocation, especially heat allocation of a coating pretreatment electrophoresis production line of a vehicle body or parts forming the vehicle body; according to the system, heat generated when the heat pump / refrigerating unit produces chilled water and / or heat taken away in exhaust air can be recycled and used for heating the heat using tail end. Therefore, the heat which is wasted originally can be fully utilized, the energy consumption is reduced, and the utilization efficiency of energy is improved.

The invention discloses an electronic paper display panel, a driving method thereof and a display device, and mainly relates to the technical field of display, a first pixel unit comprises a first upper driving electrode, a first electrophoresis accommodating cavity and a first lower driving electrode, and the first upper driving electrode and the first lower driving electrode are arranged on the two sides of the first electrophoresis accommodating cavity respectively; the first pixel unit further comprises first light absorbing particles, second light absorbing particles and first light reflecting particles which are arranged in the first electrophoresis accommodating cavity; the charge quantity of the first light absorbing particles, the charge quantity of the first light reflecting particles and the charge quantity of the second light absorbing particles are sequentially reduced, the polarities of the first light absorbing particles and the second light absorbing particles are the same, and the polarities of the first light absorbing particles and the first light reflecting particles are opposite. Therefore, the electronic paper display panel can be switched between double-sided display and single-sided display, and the image resolution during single-sided display is improved.

The invention discloses application of Indel marker dosage typing in detection of sweet potato soft rot resistance, and belongs to the technical field of plant genetic engineering. The Indel molecular marker related to the sweet potato soft rot resistance is obtained through screening, the nucleotide sequence of the Indel molecular marker is shown as SEQ ID NO.2, and an 8bp sequence is inserted into or deleted from the 161st site of the sequence shown as SEQ ID NO.2. Experiments find that target bands of amplification products are obtained through amplification of the Indel molecular marker and electrophoresis, dosage values of two genotypes are obtained according to gray values of the dyed electrophoretic bands, and results show that the insertion type Indel molecular marker is positively correlated with the sweet potato soft rot resistance. The method is of great significance to the dose effect research and molecular assisted breeding of sweet potato gene functions.

The invention discloses a preparation method of a raspberry-derived exosome loaded with neroli essential oil. The preparation method comprises the following steps: preparing raspberry fruits into homogenate; centrifuging, collecting supernate, adjusting the pH value to 4.07.5, standing, and centrifuging again; taking supernate, adjusting the pH value to 7.2-7.4, adding polyethylene glycol, standing, centrifuging, collecting precipitate, and carrying out resuspension dispersion; performing microfiltration to obtain supernate, and combining electrophoresis dialysis and ultrafiltration concentration to obtain the high-purity raspberry exosome. And diluting the exosome, adding the diluted exosome into a dimethyl sulfoxide solution containing neroli essential oil, carrying out water bath stirring, carrying out ultrafiltration centrifugation, and taking a clear liquid to obtain the exosome loaded with the neroli essential oil. Efficient separation and purification of the raspberry exosome are achieved by applying an isoelectric precipitation technology, then the neroli essential oil is wrapped in the exosome, the stability of the essential oil is improved, the action time is prolonged, meanwhile, the neroli essential oil and active ingredients of the exosome generate a synergistic effect, and the antioxidant activity is jointly enhanced.

The invention discloses a low-temperature curing high-throwing-power cathode electrophoretic coating and a preparation method and application thereof, and belongs to the field of automobile coating materials, the coating is composed of epoxy resin, a fluorosilicone copolymerization type epoxy modifier, a polyamino siloxane-acrylic acid hybrid and other components, and performance improvement is achieved through the synergistic effect of the two brand-new modifiers. Wherein the fluorine-silicon copolymerization type epoxy modifier is prepared by taking bisphenol A epoxy resin as a framework, introducing fluorine-containing alkyl and siloxane groups and carrying out ultraviolet reaction, so that the surface energy is reduced, and low-temperature crosslinking is promoted; the polyamido siloxane-acrylic acid hybrid takes siloxane as a core, and acrylic acid and polyamido are bridged through isocyanate, so that the crosslinking density and the water solubility are enhanced. When the coating is prepared, the two modifiers are mixed with epoxy resin, a solvent and the like, and the coating is prepared through dispersion and dilution. The coating can be cured at low temperature, so that a uniform thick film is obtained in an inner cavity of a complex workpiece, and meanwhile, the coating has excellent corrosion resistance and adhesive force and is suitable for efficient and environment-friendly coating of an automobile body and parts.

An electrophoretic system is provided for analyte capture from a biological sample. The electrophoretic system can be used to permeabilize the sample to allow analytes to be released from the sample. For example, the sample can be contacted with capture probes attached to a substrate, and an electric field created by the electrophoretic system can cause analytes to be released from the cell, and effectively migrate toward and bind to the capture probes attached to the substrate.

This invention is related to the field of biosensors. In particular, devices and methods are described which enable the quantification of biomolecules by virtue of particle speed driven by induced-charge electrophoresis. For example, a range of biomolecules can be simultaneously detected in a highly sensitive manner from a library (e.g., combination) of active particles having different shapes or fluorescent signatures. Such biomolecules are related to conditions including, but not limited to, cancer biomarkers, viral infection biomarkers, toxins, pesticides, and small molecule drugs.

The invention discloses a 26 Multi-InDel genetic marker system for highly degraded sample typing, a detection primer and application of the 26 Multi-InDel genetic marker system, and belongs to the technical field of forensic medicine identification. According to the invention, through bioinformatics screening and experimental verification, a multi-InDel genetic marker system of which the lengths of 26 amplicons do not exceed 125 bp is constructed. The problem that degradation detection material detection and high system efficiency are difficult to consider at the same time is solved. The random matching probability of the system in Han population in Hunan reaches 2.25 * 10 <-17 >, the cumulative paternity exclusion rate is 0.999925, complete typing of highly degraded DNA can be achieved, triad paternity test can be completed, and a new technical scheme which is efficient and compatible with a capillary electrophoresis platform is provided for forensic practice.

The invention discloses a device and method for automatically shearing and recycling agarose gel, and relates to the technical field of agarose gel cutting, and the device and method for automatically shearing and recycling agarose gel comprise an image acquisition unit, a three-axis moving mechanism, a gel cutting device, an electrophoresis apparatus and a control unit; the image acquisition unit comprises a light source assembly and an image acquisition camera corresponding to an irradiation area, the image acquisition camera is used for shooting a dyed electrophoresis image, and the light source assembly is used for obliquely irradiating gel to enable a sample strip to develop color; the control unit comprises an analysis processing unit; the analysis processing unit comprises a deep learning detection module and a data processing module; the control unit cooperates with the image acquisition unit, the three-axis moving mechanism and the gel cutting device, so that a complete automatic process from strip identification and positioning after electrophoresis to gel block cutting, grabbing, releasing and recycling is constructed.

The invention discloses application of a KASP molecular marker in identification of sweet melon peel color traits, and belongs to the technical field of molecular markers. The invention aims to promote gene localization and molecular-assisted breeding processes by utilizing molecular marker-assisted selective breeding on sweet melon pericarp color characters. The KASP molecular marker is a KASP marker RW2; the KASP marker RW2 is designed according to an SNP (Single Nucleotide Polymorphism) site at the position of Chr04: 526653. According to the application, the KASP molecular marker RW2 is used for performing genetic typing on the red-peel muskmelon and the white-peel muskmelon, the DNA of a target plant can be identified only through one-time PCR amplification, the whole detection process is simple and convenient, and complex steps such as enzyme digestion, electrophoresis and sequencing are not needed. Through the high-throughput genotyping system, a genotyping graph and a genotyping value can be rapidly obtained, so that rapid identification of the genotype of a target plant is realized. The KASP molecular marker RW2 provided by the invention can be more efficiently applied to the breeding work of sweet melon peel color germplasm.

The invention belongs to the technical field of photovoltaic materials, and provides a photovoltaic profile and a preparation method and application thereof. The preparation method comprises the following steps: carrying out surface conditioning and phosphorization on a steel substrate (carbon steel or recycled steel or low alloy steel), carrying out electrophoretic deposition by using epoxy thermosetting electrophoretic primer, and pre-drying; the outer surface of a workpiece is coated with fluorocarbon finish paint (the fluorocarbon finish paint comprises the following raw materials in specific content: polyester resin with a certain viscosity hydroxyl value, fluorocarbon resin with a certain viscosity hydroxyl value, pigment filler, an organic solvent, a wetting leveling agent, a dispersing agent, a defoaming agent, an adhesion promoter and an aliphatic isocyanate curing agent), and curing is performed. And an electrophoretic primer layer with the thickness of 15-25 microns and a fluorocarbon finish layer with the thickness of 20-30 microns are formed on the outer surface of the steel substrate through curing. According to the photovoltaic profile, the electrophoretic primer layer and the fluorocarbon finish paint layer are formed on the low-cost steel substrate through one-time curing, the process can be simplified, the cost can be reduced, the paint layer is thin, and the photovoltaic profile further has long-term excellent adhesive force, aging resistance, corrosion resistance, weather resistance, gloss retention and the like.

The invention discloses a device and a method for a circulating cooling water system, an electrophoresis device comprises an electrophoresis tank, a reaction tank and a sedimentation tank which are communicated in sequence, a cathode material is arranged in the electrophoresis tank, an electrophoresis anode tube group is inserted on the cathode material, the electrophoresis anode tube group is composed of a plurality of electrophoresis anode tubes which are arranged in parallel, and the electrophoresis anode tubes are arranged in the sedimentation tank. The electrophoresis anode tube is provided with an anode element, water inlet pipes, an anode tab and a water outlet pipe, the anode element is coated with an electrophoresis film, the top of the anode element is provided with a connecting pipe fitting, the water inlet pipes, the anode tab and the water outlet pipe penetrate through the connecting pipe fitting, and each water inlet pipe is communicated with a bypass water outlet of the circulating cooling water system; each water outlet pipe is communicated with a first water return port of the circulating cooling water system, a water inlet of the electrophoresis tank is communicated with the bypass water outlet, and a water outlet of the sedimentation tank is communicated with a second water return port. The electrophoresis method is implemented by adopting the electrophoresis device. According to the electrophoresis device and the electrophoresis method, the current density and the current efficiency can be improved, and descaling of medium and large circulating water systems is met.

An electrophoretic display device includes an ambient light sensor and a front light system for adaptively recovering whiteness and balancing color on the display.

The invention relates to the technical field of high polymer materials, in particular to a high-hardness wear-resistant electrophoretic coating and a preparation method thereof, and the high-hardness wear-resistant electrophoretic coating comprises the following components in parts by mass: 40-60 parts of polyether modified epoxy resin, 5-15 parts of Al2O3-coated SiO2 modified composite powder, 2-5 parts of a neutralizer, 0.5-2 parts of a flatting agent, 0.2-1 part of a defoaming agent, 3-8 parts of a curing agent and 15-30 parts of deionized water. By optimizing the components and the process, the electrophoretic paint capable of preparing a stable high-strength and high-wear-resistance coating is prepared.

The utility model provides an electrode device for detecting Zeta potential of a high-concentration sample by electrophoresis light scattering, which comprises a laser, a high-concentration sample electrode and a photoelectric detector, an incident laser beam emitted by the laser is incident in a manner of being vertical to the outer vertical surface of a micro-flow cell, and an optical fiber head of the photoelectric detector is positioned in a direction forming an angle of 12 degrees with the laser beam; the high-concentration sample electrode adopts a flow-through design, and the minimum optical path of a micro flow cell is 1.5 mm; a sample can be added into the micro-flow cell through the silicone tube. According to the utility model, the Zeta potential test requirement of a high-concentration sample can be met, the minimum sample quantity is 57 microliters, the electrode cost is low, the electrode can be replaced, and the Zeta potential titration test can be carried out by being connected with an automatic titrator.

The invention discloses a preparation process of a rare earth precipitation resistant electrophoretic coating for an automobile body. The preparation process comprises the following steps: S1, preparing a stable solution; s2, preparing a rare earth chelating solution; adding lanthanum lactate into the stable solution for multiple times, and adding ammonium ceric sulfate for multiple times after the lanthanum lactate is completely dissolved; s3, preparing a resin base solution; s4, preparing mixed slurry; s5, adding a solvent and an auxiliary agent; a five-membered ring chelate with thermodynamic stability is formed by carboxyl, hydroxyl and rare earth elements in sodium citrate, rare earth ions can be tightly wrapped through strong coordination bonds, namely, empty orbits of the rare earth ions and lone pair electrons of a chelating agent form coordination bonds, so that the rare earth ions cannot be dissociated in a system, and the rare earth ions are prevented from being dissociated in the system. And a path of generating hydroxide precipitates by free rare earth ions is thoroughly blocked, so that rare earth elements are effectively ensured to be uniformly distributed in the electrophoretic paint, and the surface of a raw material treated by a subsequent electrophoresis process is more uniform.

A display panel and a manufacturing method therefor, and a display device. A display panel (20) comprises: a substrate (21), a light-transmitting substrate (22), an electrophoretic liquid layer (23), a plurality of light converging and reflecting structures (24), and a plurality of corresponding scattering structures (25). The light converging and reflecting structures (24) reflect and converge light incident into the display panel (20), and direct the reflected light to the corresponding scattering structures (25), such that the reflected light passes through the scattering structures (25) and emerges from the display panel (20); and the scattering structures (25) can expand the irradiation area of the emergent light and improve the visual uniformity of the emergent light, thereby improving the display effect of the display panel (20). Moreover, the area of the orthographic projections of the scattering structures (25) on the substrate (21) is smaller than the area of the orthographic projections of the light converging and reflecting structures (24) on the substrate (21), such that at least part of the light incident to the light converging and reflecting structures (24) does not need to pass through the scattering structures (25), thereby reducing the loss of light, improving the reflection efficiency of the display panel (20), and improving the display effect of the display panel (20).

The invention belongs to the technical field of coating compositions, and discloses an electrophoretic coating with high weather resistance and high salt mist resistance and a preparation method thereof. According to the coating, a composite pigment and filler system formed by compounding a surface-modified sheet-shaped physical shielding filler and a calcium / zinc double-ion exchange type corrosion inhibition filler is adopted, and the surface-modified sheet-shaped physical shielding filler forms a compact labyrinth structure to prolong a corrosion medium permeation path; the corrosion inhibition filler releases Ca < 2 + > / Zn < 2 + > under the stimulation of chloride ions to generate a composite precipitation membrane in situ to block electrochemical corrosion; the two components are co-ground and pre-dispersed and chemically bonded with a resin matrix through a silane coupling agent, so that the compactness, the adhesive force and the self-repairing capability of the coating are improved. The electrophoretic coating does not contain hexavalent chromium and is suitable for high-end protection scenes such as automobiles and ocean engineering.

The invention relates to a method for preparing a diffusion bonding layer on a nickel-based alloy and YSZ ceramic coating interface, and belongs to the technical field of metal material surface protection and ceramic coatings. According to the preparation method, a YSZ composite ceramic coating is deposited on the surface of the nickel-based alloy by adopting an electrophoretic deposition method, and then an MCr2O5 (M is Zr, Y, Ce, Yb and Al) diffusion bonding layer is prepared on the interface of the nickel-based alloy and the YSZ composite ceramic coating by adopting a pressureless discharge sintering and thermal diffusion treatment method. The bonding layer prepared through the diffusion method is good in interface bonding, the thermal stress between the nickel-based alloy and the YSZ ceramic coating is effectively buffered, the defects that a bonding layer prepared through a traditional method is large in pore impurity amount and the like can be overcome, and the bonding force between the ceramic coating and a base body and the high-temperature anti-oxidation and anti-stripping performance are remarkably improved.

The invention relates to the technical field of electrophoretic display, in particular to a preparation method of black electrophoretic particles with low reflectivity and high charge quantity. The method comprises the following steps: S1, mixing pre-dried black electrophoretic particles with ethanol, water and zirconium beads, adjusting the pH value by using ammonia water, and carrying out ball milling; transferring to a four-neck flask, adding a silane coupling agent, adjusting the pH value again, reacting at 80 DEG C, washing, centrifuging and drying to obtain modified particles; s2, carrying out ball milling on the modified particles, a monomer 1, a monomer 2 and a solvent, transferring into a four-neck flask, heating to 50 DEG C under the protection of nitrogen, adding an initiator, and reacting at 70-85 DEG C; after cooling, adding 3-5 parts of monomers and a solvent, repeatedly heating, adding an initiator, and reacting at 70-85 DEG C; and cooling again, supplementing the monomer 2 or 3, reacting under the same condition, and finally centrifuging, washing and drying to obtain the modified electrophoretic particle with the controllable shell structure. According to the invention, controllable regulation and control of low reflectivity and high charge quantity of the black electrophoretic particles are realized.

Described herein are methods and systems for additive manufacturing of parts comprising electrolytic deposits and electrophoretic deposits. Such methods and methods provide various new ways for integrating different materials into composite parts. Specifically, an additive manufacturing system comprises an electrode array with individually-addressable electrodes. Each individually-addressable electrode is coupled to a separate deposition control circuit, which selectively connects this electrode to a power supply. When forming a composite part, the electrode array can control the location of each electrolytic deposit (by controlling the current flow through each individually-addressable electrode) and each electrophoretic deposit (by controlling the electric field distribution). An electrolyte solution or an electrophoretic suspension is provided between the electrode array and deposition electrode to form corresponding deposits. In addition to the electrode-array provided control, alternating the electrolytic and electrophoretic deposition operations can be used to locate the corresponding deposits within a composite part.

The utility model relates to the technical field of waste gas treatment, in particular to an electrophoretic coating waste gas comprehensive treatment device based on activated carbon adsorption. The shell is of a rectangular structure, the upper portion of the shell is provided with a ventilation opening, the two sides of the ventilation opening are each provided with a replacement opening in the length direction of the shell, a movable plate is movably arranged in the shell in the length direction of the shell, two storage grooves are formed in the movable plate, and filter plates are stored in the storage grooves and made of activated carbon. When the movable plate is in a standing state, one storage groove in the movable plate is communicated with the ventilation opening, the other storage groove in the movable plate is communicated with one replacement opening, and a driving unit used for driving the movable plate to move is arranged at the end of the shell. In the process of replacing the activated carbon, the treatment device does not need to stop running, so that the normal operation of the whole electrophoretic coating operation is ensured, and the yield is not influenced.

The invention discloses KASP primers for identifying genotypes of chicken green-shell eggs and application of the KASP primers. Compared with a common flow of identifying genotypes through PCR (Polymerase Chain Reaction) and agarose gel electrophoresis, the method for performing KASP genetic typing by utilizing the primers with the sequences as shown in SEQ ID NO: 1-3 provided by the invention has the advantages that the steps of preparing agarose gel and performing electrophoresis are omitted, and the economic cost is reduced; when large-scale detection is carried out, a large amount of manpower resources are saved, and the detection time is shortened; analysis is directly carried out according to an instrument detection result, personal errors are reduced, and the accuracy of a typing result is improved.

The utility model belongs to the technical field of experimental tools in molecular biology, and discloses an electrophoresis gel cutting device which comprises an electrophoresis apparatus, a recognition camera, a three-axis moving mechanism and a gel cutting head, gel is arranged in the electrophoresis apparatus, a sample application hole and a swimming lane are arranged on the gel, and a light source which obliquely irradiates the surface of the gel is arranged on the side edge of the electrophoresis apparatus; the identification camera is arranged above the electrophoresis apparatus and is used for shooting a gel image irradiated by the light source; the three-axis moving mechanism is arranged above the electrophoresis apparatus and is in communication connection with the identification camera; the rubber cutting head is connected to the output end of the three-axis moving mechanism, and the three-axis moving mechanism can drive the rubber cutting head to move in the first direction, the second direction and the third direction so that the rubber cutting head can reach the designated position to cut off the sample strip. The electrophoresis gel cutting device is high in automation degree, does not need manual operation, improves working efficiency, can guarantee gel cutting precision and consistency, and can avoid potential safety hazards.

An electrophoresis display with improved micro partition structure includes a control substrate having a first face and a second face, a driving circuit layer, a control electrode layer, and an electrophoresis layer. The driving circuit layer, the control electrode layer, and the electrophoresis layer are sequentially arranged on the second face. The electrophoresis layer includes a micro partition structure arranged on the control substrate and made from polymer material. The micro partition structure includes a plurality of partition walls to define chambers for accommodating a colloidal solution. The height of the partition wall of the micro partition structure is smaller than 25 μm.

The invention relates to an electrophoresis codeposition-in-situ thermal conversion short-process preparation method of a multi-element doped Co-Mn spinel protective coating. According to the method, spinel precursor powder does not need to be prefabricated, commercial Co3O4, Mn3O4, a rare earth oxide R2O3 (R is Y, Ce or La) and a doped oxide XxOy (X is Cu, Ni or Fe) are directly dispersed in an organic mixed solvent in proportion to form a stable suspension, and after electrophoresis codeposition, the stable (Co, Mn, R, X) 3O4 spinel coating is formed in situ through three-stage heat treatment of impurity removal, conversion and structure homogenization. Compared with a traditional sol-gel method for synthesizing a precursor and then performing electrophoresis, the method has the advantages that the process is remarkably simplified, the period is shortened, the cost is reduced, thermal mismatch caused by Cr volatilization and Fe phase precipitation is effectively inhibited, and the compactness and high-temperature stability of the coating are improved. The method has the advantages of being short in process, low in equipment requirement, high in doping flexibility and the like, and is suitable for interface anti-oxidation protection of an SOFC metal connector and surface protection of other high-temperature electrochemical system metal parts.

The presently described and claimed disclosure relates to capillary electrophoresis methods for quantifying an intact AAV genome and protein components in an AAV using the same capillary electrophoresis system. The claimed and described approach offers an automated analysis of AAV samples and provides information to determine the AAV empty / full ratio.

The invention relates to the field of genes, in particular to molecular markers for judging flowering time of brassica napus L. The molecular markers are Indel-282, Indel-326 and Indel-353 respectively and are located on an A02 chromosome of the brassica napus L.. The molecular marker has high specificity and stability, and is significantly related to the flowering time. The markers show high specificity and stability in brassica napus plants under different genetic backgrounds. By detecting the molecular markers through PCR amplification and electrophoresis, the flowering time of different plants can be quickly and accurately identified in the early stage of breeding. Therefore, the flowering time of the plant can be determined in the early stage, so that the breeding efficiency is improved. The molecular markers can be used for molecular marker-assisted selective breeding, and plants with early flowering or late flowering characteristics can be quickly screened by detecting the markers, so that the breeding process of excellent varieties is accelerated, and the functions and regulation mechanisms of related genes are further disclosed.