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1956results about How to "Avoid stability" patented technology

Gelled hydrocarbon compositions and methods for use thereof

Gelled organic compositions and methods for using same. The gelled compositions may be liquid organic fluids, such as gelled liquid hydrocarbons, formed from a mixture of an organic-base fluid, a carboxylic acid, and one or more metal source compounds, such as a metal salt of carboxylic acid. The gelled compositions may be used in variety of applications including, but not limited to, oil field, pipeline and processing facility applications.
Owner:BJ SERVICES LLC +1

A kind of stable controlled-release granular medicinal fertilizer

The invention relates to a stable controlled release particle pesticide-containing fertilizer. The pesticide-containing fertilizer has a core-shell structure, is granular and comprises a core which is composed of a fertilizer and a microcapsule pesticide or pesticide pulvis adsorbed by a porous material, and a shell which is used as a controlled release layer. The invention enables the pesticide and the fertilizer to stably exist and to be slowly released, frequency of pesticide application and fertilizer application in growth stages of crops to be reduced and field labor to be saved.
Owner:GAUNGXI TIANYUAN BIOCHEM

-Zn coated steel material, ZN coated steel sheet and painted steel sheet excellent in corrosion resistance, and method of producing the same

A coated steel material excellent in corrosion resistance and a method of producing the same, wherein a coated steel material has on the surface of the steel sheet a Zn-alloy coating layer containing 1-10 wt % of Mg, 2-19 wt % of Al and 0.01-2 wt % of Si, where Mg and Al satisfy Mg (%)+Al (%)<=20%, the balance being Zn and unavoidable impurities, and has a coating layer structure of a Mg intermetallic compound or the like. As a base metal treatment, it is preferably provided with a Ni coating layer. The coated Zn-alloy coated steel sheet may have provided on the coating layer, as an intermediate layer, a chromate film layer, and, as an upper layer, an organic coating layer. The Zn-alloy coating layer may further contain one or more of 0.01-1 wt % of In, 0.01-1 wt % of Bi and 1-10 wt % of Sn. The coated steel material may be painted.
Owner:NIPPON STEEL CORP

Consumer products having varying odor patterns

Consumer products having fragrance that can develop distinguishable odor patterns which are separately detectable. Scent dynamics allow the consumer with one and the same product to experience different scent experiences during a single application. The limited range and monotony of odor associated with the conventional perfumed consumer products is thereby completely broken.
Owner:HENKEL KGAA

Consumer products having varying odors

Conventional perfumed consumer products are characterized by a uniform odor throughout the entire product. Consumer products are described that comprise at least two differently smelling perfume oils which are not evenly distributed in the product in proportion to one another. This allows the consumer to produce, using one and the same product, a variety of odors during applications and overcome the monotony of the olfactory experience associated with conventional perfumed consumer products.
Owner:HENKEL KGAA

Injectable crosslinked hyaluronic acid gel and preparation method thereof

ActiveCN103834053AComplete and uniform shapeEvenly distributedProsthesisWrinkle skinEmulsion
The invention relates to an injectable crosslinked hyaluronic acid gel and a preparation method thereof. The injectable crosslinked hyaluronic acid gel is prepared by blending hyaluronic acid gel granules and chlorinated sodium phosphate physiological buffer solution; the hyaluronic acid gel granules are prepared by comprising the steps of crosslinking treatment, emulsion crosslinking granulation, purification and drying and swelling, filling and sterilization technologies. The hyaluronic acid gel granules are uniform in granule size, the residual of the crosslinking agent is less than 0.2ppm, the injection pushing is proper, and the in-vivo degradation time can last more than 8-12 months. The implant has an excellent esthetical restoration effect, is applicable to being injected to and subcutaneous dermis deep layer to subcutaneous superficial layer, restoration of moderate to severe wrinkles or folds, and can satisfy the restoration demand of wrinkles or folds caused due to skin aging.
Owner:SHAANXI BIO REGENERATIVE MEDICINE CO LTD

Vehicle monitoring system based on Beidou system and control method thereof

InactiveCN102390410AAccurate location in real timeWith real-time transmissionRailway traffic control systemsSatellite radio beaconingRs 232 interfaceMonitoring system
The invention discloses a vehicle monitoring system based on Beidou system. The invention is characterized in that the system is composed of a Beidou ground monitoring centre, a Beidou navigating and locating satellite and a Beidou vehicle-mounted system, wherein the Beidou navigating and locating satellite is dependent on current satellite system built by Beidou network system. The Beidou vehicle-mounted system comprises a Beidou terminal and a train network. The train network is a current TCMS system, wherein the TCMS system comprises a vehicle dragging sub-system, a vehicle braking sub-system, a vehicle signal sub-system and a vehicle broadcasting sub-system. The TCMS system is communicated with a Beidou terminal via an RS232 interface to provide vehicle state information to the Beidou terminal on one hand, and to receive Beidou navigating and locating information, time service information and control instruction from the ground monitoring centre on the other hand so as to control the operation of the vehicle. The Beidou terminal is communicated with the locating satellite. The locating satellite is used for transmitting the locating information and vehicle state information to the ground monitoring centre. The centre is used for transmitting the information to all ground monitoring terminals so that the operated vehicle can be monitored and all operated vehicles can be monitored and controlled.
Owner:CHINA CNR LIMITED DALIAN ELECTRIC TRACTION R&D CENT

Method for deeply treating, desalting and recycling industrial wastewater with high salt content

The invention relates to the field of industrial wastewater treatment processes and provides a method for deeply treating, desalting and recycling industrial wastewater with high salt content. The method comprises the following steps: 1) carrying out efficient coagulation treatment on the industrial wastewater with high salt content to obtain supernatant; 2) carrying out chemical precipitation on the supernatant obtained in the step 1) to remove high valence ions with valence higher than bivalence in the wastewater; 3) carrying out catalytic ozonation treatment on the supernatant subjected to chemical precipitation in the step 2); 4) carrying out multi-media filtration, precise filtration and membrane filtration treatment on the wastewater subjected to catalytic ozonation in the step 3) in sequence; and 5) carrying out electrodialysis reversal treatment on the effluent obtained after membrane filtration in the step 4). By adopting the method, organic matters, bacteria, colloids, suspended particles, Ca<2+>, Mg<2+> and high valence ions, other soluble inorganic salts and the like in the industrial wastewater with high salt content are removed by utilizing the coupling and synergistic effects of different unit technologies, thus achieving deep treatment, desalting and recycling of the industrial wastewater with high salt content.
Owner:INST OF PROCESS ENG CHINESE ACAD OF SCI

Methods and apparatus that increase sequencing-by-binding efficiency

ActiveUS9951385B1Improvement to accuracy and speed and costSatisfies needMicrobiological testing/measurementBiologyTernary complex
A method of nucleic acid detection including (a) contacting a primed template with a polymerase, nucleotide cognate of a first base type and nucleotide cognate of a second base type under ternary complex stabilizing conditions; (b) contacting the primed template nucleic acid with a polymerase, nucleotide cognate of the first base type and nucleotide cognate of a third base type under ternary complex stabilizing conditions; (c) examining products of (a) and (b) for signals produced by a ternary complex that includes the primed template nucleic acid, polymerase and next correct nucleotide, wherein signals for the product of (a) are ambiguous for the first and second base type, and signals for the product of (b) are ambiguous for the first and third base type; (d) disambiguating signals acquired in (c) to identify the next correct nucleotide.
Owner:PACIFIC BIOSCIENCES

Elastic wave forward simulation technology based on space-time dual-variable grid

The invention discloses an elastic wave forward simulation technology based on the space-time dual-variable grid, comprising the following steps: determining the stability conditions of the target area and the background area according to the speed parameter and the elasticity parameter of the underground medium aiming to the known earthquake geological model so as to calculate the size of the space grids with different dimensions and perform the discretization process to the speed field; obtaining the space arbitrary precision difference formula of the grid point variables with different dimensions by using the Taylor's formula and the finite difference technology, which is the arbitrary even order accuracy space difference formula of the space constant grid operator and the space variable grid operator, and calculating the wave field values of the precise division area, the rough division area and the middle transitional belt area by using the deduced space difference formula; in the wave field extrapolation process of the time layer, using different time sampling intervals to different grid division areas and meet the partial stability condition, obtaining the wave field value of the precise grid point in the precise time layer and the wave field value of the rough grid point in the global time layer; in each global time layer, transmitting the wave field value of the precise grid division area to the rough grid division area, thereby obtaining the space wave field value of the whole speed field at the said moment; performing the wave field extrapolation on each time layer by the said method and obtaining the forward simulation record of single cannon. The partial stability condition of the shallow layer can be met, so as to avoid the frequency dispersion noise.
Owner:CHINA UNIV OF PETROLEUM (EAST CHINA)

Method and device for realizing interaction of augment reality (AR) and mobile terminal

The embodiment of the invention discloses a method and a device for realizing interaction of an augment reality (AR) and a mobile terminal. The method comprises the following steps of: acquiring the information of a pattern, wherein the pattern is an interactive scene of the AR; determining the three-dimensional information of a virtual scene according to the information of the pattern; calculating an initial relative spatial position relationship among the virtual scene, the AR interaction device and the pattern according to the three-dimensional information; superposing the virtual scene and the pattern according to the initial relative spatial position relationship; acquiring a spatial position relationship of the AR interaction device, and determining a three-dimensional dynamic motion path of the AR interaction device; obtaining a current relative spatial position relationship among the virtual scene, the AR interaction device and the pattern according to the initial relative spatial position relationship and the three-dimensional dynamic motion path; and superposing the virtual scene and the pattern according to the current relative spatial position relationship. Therefore, the stability of the process of AR interaction is improved, and the operability of the AR interaction is improved.
Owner:HUAWEI DEVICE CO LTD

Aqueous acrylate heat-conduction coating material and preparation method thereof

The invention provides an aqueous acrylate heat-conduction coating material, which adopts an acrylate copolymer emulsion as a base material, adopts alumina, zinc oxide, aluminum nitride, boron nitride, carbon nano-tubes, graphene and other inorganic particles having high thermal conductivity as a heat-conduction filler, and comprises water, an adhesion accelerator and other auxiliary agents. According to the present invention, the aqueous acrylate heat-conduction coating material has advantages of safety, environmental protection, good adhesion and high thermal conductivity, can be coated on the surface of electronic components, light apparatuses and other structures, further has advantages of improvement of heat dissipating efficiency, and prevention of performance reduction, instability, service life shortening and other problems caused by insufficient heat dissipating, and has the wide application prospect.
Owner:上海颐行高分子材料有限公司 +1

Composite energy system of solar energy, ground source heat pump and chilled water storage

A composite energy system of solar energy, ground source heat pump and chilled water storage comprises an air conditioner, a domestic hot water supply device, one or more device (hereinafter referred to as host) of a solar energy heat-collecting device, a heat storage water tank unit, a cold storage water tank unit and a ground source heat pump system, a ground heat exchanger, an auxiliary heating device, a circulating water pump, a first electric three-way valve, a second electric three-way valve, a first electric two-way valve and a second electric two-way valve, wherein the circulating water pump is communicated with the air conditioner, and the auxiliary heating device is communicated with the domestic hot water supply device. The invention fully utilizes renewable energy sources such as solar energy, geothermal energy and biomass energy to masterly combine the ground source heat pump air-conditioning system with the solar energy hot water system and the chilled water storage system and construct a comprehensive energy system combined by the domestic hot water system, the ground source heat pump, the chilled water storage air-conditioning system and the like; and the invention is completely combined with the entire building so as to greatest reduce the floor space and the investment and increase the energy efficiency and economic performance of the system.
Owner:TONGJI UNIV

Antimicrobial cleaning agent for hard surfaces

A surfactant-containing aqueous antimicrobially effective cleaning agent for hard surfaces includes at least one amphoteric polymer, a quaternary ammonium compound and formic acid. The agent may be used for the cleaning and / or antimicrobial treatment of hard surfaces, in particular in damp rooms such as bathrooms.
Owner:HENKEL KGAA

Access control system based on intelligent terminal and control method of access control system

The invention discloses an access control system based on an intelligent terminal and a control method of the access control system. The system sends verification information to a two-dimension code generation and display device by use of a server host; the intelligent terminal scans a two-dimension code generated by the two-dimension code generation and display device and a user performs validation; after validation, the validated information is sent to the server host for comparison validation; after the comparison validation is successful, the server host sends a door opening signal code to an access control controller to open the door; and if the comparison validation fails, the server host sends validation failure information to a display. The access control system based on the intelligent terminal has the advantages that a key, an access control card or other articles cannot be required so that the trouble caused by forgetting carrying or wrong use can be reduced, such input devices as a coded lock or a fingerprint lock do not need to be arranged and the functions can be completed by use of the carried intelligent terminal, and therefore, the instability or damage of the existing coded lock or fingerprint lock device due to long-term touch is avoided, and the trouble of manual password change of the existing coded lock is avoided.
Owner:CHANGAN UNIV

Engine antifreezing solution

ActiveCN101691484AAvoid the disadvantages of instabilityWith boiling suppressionHeat-exchange elementsCooperative interactionSebacic acid
The invention relates to an engine antifreezing solution which is prepared by mixing the following components to react: glycol, sodium molybdate, sodium hydroxide, isooctanoic acid, sebacic acid, sodium benzoate, benzotriazole, sodium 2-mercaptobenzothiazole, dye and deionized water. The invention adopts a new formula which uses organic matter as main component and inorganic matter as auxiliary component to reach the aim of controlled release on the basis of conventional inorganic and all-organic engine antifreezing solution technologies, wherein the organic acid uses the combination of monoacid and binary acid. The invention does not contain sodium borate and silicate so as to avoid the defect that precipitate is easy to generate due to the existence of sodium borate and silicate in glycol series antifreezing solution and the antifreezing solution is unstable; and the engine antifreezing solution of the invention does not contain amine, nitrate, phosphate and other substances which are harmful to the environment and human body. The researched antifreezing solution has good performances of stability, freeze-proofing, boil-proofing, corrosion-proofing and scale prevention through the cooperative interaction of components so as to perform multi-level anticorrosion protection for the cooling system of the vehicle.
Owner:SHAANXI DADI IND CO LTD OF CHINA NAT NUCLEAR

Driving support apparatus of vehicle

A vehicle is provided with: an EPS a VGRS actuator as a rudder angle varying device; and an EPS actuator as a steering torque assisting device. In following a target driving route, a LKA target assist torque TLK is outputted from the EPS actuator on the basis of target lateral acceleration GYTG. On the other hand, in order to suppress the steering of a steering wheel by the assist torque, which is against a driver's will, steered wheels are steered by the VGRS actuator, excessively by a LKA correction target angle θLK. At this time, it does not influence a relation between a steering angle and the rotation angle of a lower steering shaft. Thus, the following for the target driving route is realized without reducing the robustness of the vehicle with respect to the driver's steering.
Owner:TOYOTA JIDOSHA KK

Low-pollution combustor for various fuels

InactiveCN101713546AEmission controlAvoid flashback of premixed combustionContinuous combustion chamberCombustion chamberAir cleaning
The invention discloses a low-pollution combustor for various fuels, which comprises a shunt system, a mounting edge and a plurality of double fuel nozzles, wherein the shunt system is connected with the plurality of double fuel nozzles through the mounting edge into a whole; the shunt system comprises a gas fuel subchannel, a liquid fuel subchannel, a diluent subchannel and an atomized air subchannel; and the double fuel nozzles are arranged circumferentially along the central line of the combustor. The low-pollution combustor for various fuels provided by the invention reduces the dischargeof pollutants such as NOX, solves the problems such as backfire and unstable combustion of premixing combustion of synthetic gases, simplifies an air cleaning and blowing protective system of a combustion chamber, avoids increasing the discharge of carbon monoxide, and can work with low and medium thermal value gas fuel such as coke oven gas, chemical tail gases and synthetic tail gases from IGCCpower plants and high thermal value gas fuel such as diesel oil and natural gas.
Owner:SHENYANG ENGINE DESIGN RES INST CHINA AVIATION IND CORP I

Mono-dual frequency electromagnetic flowmeter excitation control system based on linear power supply

The invention relates to a mono-dual frequency electromagnetic flowmeter excitation control system based on linear power supply, comprising a constant current source circuit, a current bypass circuit,an exciting coil driving circuit, an excitation time sequence generating circuit and a galvo circuit. A high voltage power supply is adopted for supplying power, the constant current source is constructed by linear power supply to supplying electricity for the exciting coil driving circuit, the current bypass circuit is jointed in parallel with the input / output end of the linear power supply to solve the problem of energy dissipation, the exciting coil driving circuit is composed of an H bridge and a control circuit thereof, the galvo circuit is bridge-jointed between the lower end of the H bridge and a reference ground, and a digital signal processor (DSP) is used for controlling multiple switches and an electrical level matching device to generate time sequence and control the action ofthe exciting coil driving circuit. The excitation control system can obviously improve excitation frequency range and excitation frequency preciseness, is suitable for single frequency high frequencysquare wave excitation or dual frequency square wave excitation, and can simultaneously provide more exact current detection to correct the flow signal processing result.
Owner:HEFEI UNIV OF TECH +1

High-strength thick steel plate for large-scale petroleum storing tank and low-cost manufacturing method thereof

InactiveCN101215669AReduce weld crack susceptibility componentsInhibit grain growthTemperature control deviceFurnace typesPetroleumHigh intensity
The invention relates to a method for preparing a high strength thick steel plate for a large oil storage tank in a low cost, the method particularly applies to a high strength thick steel plate for a large oil storage tank, which is welded by line energy which is equal or less than 120 KJ / cm. The weight percentages of chemical constituents are that carbon is 0.01-0.12 percent, silicon is 0.15-0.35 percent, manganese is 1.45-1.80 percent, phosphorus is equal or less than 0.010 percent, sulfur is equal or less than 0.003 percent, aluminum is 0.02-0.06 percent, vanadium is 0.02-0.06 percent, nickel is 0.20-0.40 percent, nitrogen is 0.003-0.006 percent, and the other is ferric, other alloying elements and inevitable impurities. The invention uses on-line quenching and off-line tempering processes, thereby reducing valuable alloying elements, obtaining high strength high toughness thick steel plate which has excellent welding performance and does not need to preheat above 0 DEG C, reducing the producing cost, saving energy, increasing production efficiency and improving welding construction conditions, and the invention is capable of being widely used for constructions of a 10-30 cubic myriametre of large oil storage tank.
Owner:SHANDONG IRON & STEEL CO LTD

Travel control apparatus for industrial vehicle

ActiveUS20080201044A1Shorten the stopping distancePreventing stability of vehicleSafety devices for lifting equipmentsElectric devicesMotor speedDriver/operator
A travel control apparatus for a forklift is disclosed. The forklift is provided with a loading device that performs load handling operations by raising and lowering a load, and a drive motor which generates a drive force for travel and is capable of generating a braking force. The apparatus is provided with a sensor for detecting the speed of the motor, a seat switch, a height switch, a load sensor, and a control section. The control section causes the drive motor to generate a braking force when the seat switch detects that the driver has left the seat in the case where the motor speed sensor detects a traveling state, and also changes the strength of the braking in accordance with the height of the loading device and the weight of the load.
Owner:TOYOTA IND CORP

Suspension system for a vehicle including an electromagnetic actuator

A suspension system for a vehicle, including: an electromagnetic actuator configured to generate an actuator force and including a sprung-side unit connected to a sprung portion, an unsprung-side unit connected to an unsprung portion, and an electromagnetic motor; a connecting mechanism; and a controller including a target-actuator-force determining portion, the determining portion being configured to determine a target actuator force based on: (a) a required acting force that is a force required to act between the sprung and unsprung portions; and (b) an inertial force of one of the sprung-side and unsprung-side units, while utilizing: a first transfer function by which is outputted an amount of a displacement of the one of the sprung-side and unsprung-side units when the actuator force is inputted; and a second transfer function by which is outputted an actual acting force which actually acts between the sprung and unsprung portions when the displacement amount is inputted.
Owner:TOYOTA JIDOSHA KK

Online detection method for water in continuous grain drying process

The invention discloses an online detection method for water in a continuous grain drying process. Water is calculated by using a relation of water and volume weight. The online detection method has the advantages of simple structure, convenience in installation, simplicity in operation, strong interference resisting capacity, good environmental suitability and the like, is suitable for a continuous drying operation of crops such as corns, rice and wheat, and avoids main defects of detection of water in the prior art.
Owner:CHANGCHUN JIDA SCI INSTR EQUIP

Non-aqueous electrolyte battery

A non-aqueous electrolyte battery is provided that achieves an improvement in safety, particularly an improvement in tolerance of the battery to overcharging, and also prevents discharge capacity from degrading, without compromising conventional battery designs considerably. The non-aqueous electrolyte battery has a positive electrode including a positive electrode active material-layer stack and a positive electrode current collector, a negative electrode including a negative electrode active material layer, and a separator interposed between the electrodes. The positive electrode active material-layer stack has two layers respectively having different positive electrode active materials. Of the two layers, a first positive electrode active material layer (11) that is nearer the positive electrode current collector (16) contains an olivine-type lithium phosphate compound as its positive electrode active material and uses VGCF (18) as a conductivity enhancing agent.
Owner:SANYO ELECTRIC CO LTD

Acid mine water treatment system

The invention discloses an acid mine water treatment system and belongs to the field of water treatment. The system consists of a neutralization system, a coagulation sedimentation system, a filtration system, a reverse osmosis system and a sterilization system which are connected in turn, wherein the coagulation sedimentation system comprises a mixing region, a reaction region, a transition region and a settling region; the mixing region is communicated with the reaction region, the transition region and the settling region in turn; the water inlet of the mixing region is communicated with the water outlet of the neutralization system; the water outlet of the settling region is communicated with the water inlet of the filtration system; and the filtration system comprises a manganese sand filter in which a modified manganese sand filter material modified by 1 to 7 mass percent potassium permanganate solution is arranged. Four regions are arranged in the coagulation sedimentation system of the system, so coagulation treatment effect is enhanced; and the modified manganese sand filter material is adopted in the manganese sand filter, so the effect of removing ferro-manganese ions in the mine water is enhanced and the aim of treating and recycling the acid mine water with high turbidity, high ferro-manganese content and high mineralization is fulfilled.
Owner:CHINA UNIV OF MINING & TECH (BEIJING)

Self-blended beverage composition as well as preparation method and application thereof

The invention provides a self-blended beverage composition. The self-blended beverage composition comprises a blending assembly and aqueous-based liquid, wherein the blending assembly and the aqueous-based liquid are respectively and independently packed and stored in the same packing box, packing bag or packing bottle at the same time, or fixed in a sticking manner, fixed by a label, or fixed together by a packing kit; and the ratio by weight of the aqueous-based liquid to the blending assembly is 2 to 1, and the aqueous-based liquid comprises water or liquid of which the water content is greater than 65%. The invention further provides a dual-blended beverage composition comprising a blending assembly A, a blending assembly B and the aqueous-based liquid. The self-blended beverage composition disclosed by the invention effectively solves the problems that a conventional beverage is poor in stability and freshness caused by storage after dilution with water, and the stability and thesafety of products are greatly improved. In addition, the consumers participate in the making process of the beverage, food and drink mood is optimized, selectivity for appropriately adding the blending assembly according to requirements of people can be provided for consumers, and requirements for individual beverages are met.
Owner:福建奥正投资发展有限公司

Small target infrared image processing method based on weighing local image entropy

In order to effectively process small target infrared images under the low signal to noise ratio complex background, the invention discloses a small target infrared image processing method based on the weighing local image entropy and relates to the technical field of digital image processing. Inherent features of the small target infrared images are utilized, a multi-scale gray difference operator and a local image entropy operator are provided, the weighing local image entropy is obtained through the dot product operation, so that the infrared image background and the noise are effectively restrained, a target is enhanced, and finally the signal to noise ratio of the images is greatly improved.
Owner:WUHAN ZHONGKE IND RES INST OF MEDICAL SCI CO LTD

Optical fiber ceramic core automatic grinder and automatic grinding method

The invention relates to an automatic grinder for an optical fiber ceramic insert core and an automatic grinding method. The grinder comprises a stander, a power system arranged on the stander, a grinding system extended out of the stander and driven by the power system, a lifting system arranged on the stand, a pressure system driven by the lifting system to move up and down and a control system, wherein the pressure system and the grinding system are arranged oppositely. The automatic grinding method is as follows: an optical fiber ceramic insert core to be processed is arranged on the grinding system, and the lifting system is controlled to drive the pressure system to compress the fiber ceramic insert core to be processed; the grinding system begins working to grind the lower end face of the fiber ceramic insert core to be processed; and through monitoring pressure change of the pressure system, the control system controls ascending or descending of the lifting system according to the pressure change and / or change of grinding time, to further compress or loosen the optical fiber ceramic insert core, so as to avoid defects of instability and unevenness brought by manual operation. The automatic grinding method has the advantages of accurate control, high precision, safety and reliability.
Owner:SHENZHEN XIANGTONG PHOTOELECTRIC TECH

Preparation method of immune base and antigen or antibody immunoassay method

The invention discloses an immune base preparation method and an antigen or antibody immunoassay method. According to the immune base preparation method, a silicon slice is modified by using gold or silver nanoparticles, and antibodies / antigens are modified on the surfaces of the gold or silver nanoparticles, thereby being used for capturing antigens / antibodies to be assayed. According to the antigen or antibody immunoassay method, an immune base which is prepared by using the immune base preparation method and gold or silver nanoparticle immunoprobes is used, an immune base-antigen / antibody-immunoprobe three-layer sandwich structure is formed through an antigen-antibody immune complex reaction, and the assay on the antigens / antibodies to be assayed is realized in a manner that the characteristic dactylograms of Raman markers on the surfaces of the immunoprobes are assayed by using a surface-enhanced Raman scattering effect of the gold or silver nanoparticles. The method has the advantages that the sensitivity of the immunoassay can be greatly improved and the assay on high-flux multiple antigens / antibodies can be carried out.
Owner:NINGBO UNIV
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