Product
Patsnap Eureka
For R&D, Patsnap Eureka makes reading and utilizing patents & technical documents easy.
Patsnap Eureka AIR
Designed for self-driven R&D workflows. Generate viable solutions, solve complex R&D challenges, empower your innovation with AI.
Patsnap Eureka Materials
Designed for material experts only. Revolutionize your material R&D, from search, analyze, to developing new materials.
Feature
TechResearch
Generate reliable direction feasibility study reports for your R&D in just a few steps.
TechSeek
Discover and master advanced knowledge NOW. Basics, ideas, possibilities, all at once.
TechMind
As an expert in R&D Theories, TechMind can generates customized viable solutions instantly.
TechRisk
Analyze your overall solution with one click, know your potential R&D risks in advance.
TechMonitor
Get weekly tech updates, stay abreast of the latest tech innovations and key insights.
Patents
Literature
Hiro is an intelligent assistant for R&D personnel, combined with Patent DNA, to facilitate innovative research.
260results about How to "Sensitive operation" patented technology
Efficacy Topic
Property
Owner
Technical Advancement
Application Domain
Technology Topic
Technology Field Word
Patent Country/Region
Patent Type
Patent Status
Application Year
Inventor
Switch module controlling and adjusting photoelectric signals to be input into device
ActiveCN104991319AAchieving tactile quality stabilityAchieve quality stabilityInput/output for user-computer interactionElectrophonic musical instrumentsLinear controlLight guide
The invention relates to a photoelectric light-guide switch module controlling and adjusting photoelectric signals to be input into a device. According to the invention, an SMD IR tube and an SMD PT tube are adopted as an optical signal transmitting and receiving device. A light guide tube or an optical fiber structure is utilized for realizing the switching off and switching on of the photoelectric switch and the precise control of intensity of the photoelectric signals. The photoelectric light guide switch module includes a cross-shaped mechanical shaft, a spring and an upper shell and a lower shell having a buckling lock structure. The switch module also includes the SMD IR tube, a coupling component, a light guide tube or an optical fiber, a focusing part, the SMD PT tube and a prism, a light gate or other switch control components in linkage with a mechanical key shaft. According to the invention, the switching on and off of the photoelectric switch can be realized through moving the switch control component relative to the light guide tube or the optical fiber. Also, linear control of photoelectric signals is realized and game players can feel speed and power in game operation. The switch module is especially suitable for game players.
Owner:DONG GUAN LONGIDEAL IND CO LTD
Pressure measurement structure and touch control device
ActiveCN104995587AEliminate limitations in media selectionReduce manufacturing costForce measurementInput/output processes for data processingEngineeringApplication areas
Owner:SHENZHEN NEW DEGREE TECH
Anti-rabies virus monoclonal antibody and preparation method and application
InactiveCN101560255AExperimental costs are highEasy to operateImmunoglobulins against virusesTissue cultureImmunoblot AnalysisHybridoma cell
The invention discloses an anti-rabies virus monoclonal antibody and a preparation method and an application, belonging to the field of biomedicine and particularly relating to the preparation of a monoclonal antibody capable of identifying rabies virus and the application. The monoclonal antibody of the invention is screened by indirect Enzyme-linked immunosorbent assay (ELISA), and specificity and affinity thereof combined with antigen are identified by methods such as polyacrylamide gel electrophoresis analysis, speckle ELISA, immunoblot analysis and the like. The anti-rabies virus monoclonal antibody of the invention can be applied in multiple testing methods of antigen of rabies virus and can be also applied in the preparation of rabies virus detecting kit. The anti-rabies virus monoclonal antibody is secreted by anti-rabies virus monoclonal antibody hybridoma cell strain 2C5 with the preservation number being CGMCC No.3014.
Owner:NANJING MEDICAL UNIV +1
Portable copper ion concentration detection method based on click chemistry
ActiveCN103163130AGood linear responseEasy to operateMaterial analysis by observing effect on chemical indicatorDNA/RNA fragmentationMagnetic beadSodium ascorbate
The invention provides a portable copper ion concentration detection method based on click chemistry and belongs to the field of analytical chemistry. Under the condition that sodium ascorbate reduces cupric into cuprous as a catalyst, a 1,3-dipole cycloaddition reaction is carried out between NDA modified with an azide group and DNA modified with an alkynyl group, so that DNA modified with cane sugar invertase is fixed on magnetic beads; The magnetic beads are separated from a solution, the cleaned magnetic beads are dissolved into a cane sugar solution to carry out enzymatic hydrolysis, and then a reaction solution after enzymatic hydrolysis is measured by adopting a blood glucose meter, so that copper ion concentration can be detected. The portable copper ion concentration detection method provided by the invention takes the blood glucose meter as a platform and can portably and quickly detect the copper ion concentration on site; and the portable copper ion concentration detection method can be applied to copper ion detection in a human body serum sample, and the portable copper ion concentration detection method has the advantages of easy operation, low cost, high sensitivity and good specificity.
Owner:FUZHOU UNIV
Shapable antenna beams for cellular networks
InactiveUS7031754B2Facilitate communicationImprove service qualityEnergy efficient ICTSubstation equipmentElectricitySignal quality
Systems and methods are disclosed which provide aggressively sculpted or shaped antenna beams, such as sector antenna beams, for use in communication networks. Preferred embodiments use passive antenna feed networks, preferably configured as personality modules, which are adapted for corresponding topological and morphological features. Preferred embodiment feed networks may be coupled to linear or curvilinear antenna arrays to provide antenna beams having a desired contour. Using the disclosed systems and methods path loss variance is minimized for improved system capacity and / or signal quality. Moreover, the disclosed systems and methods provide for reduced average transmission power levels further allowing increased capacity and / or signal quality.
Owner:F POSZAT HU
Preparation method and application of electrochemical aptamer sensor for detecting dopamine (DA)
InactiveCN103675076AImprove conductivityHigh sensitivityMaterial electrochemical variablesDendrimerNanoparticle
The invention provides an electrochemical aptamer sensor for detecting dopamine (DA). The preparation method of the electrochemical aptamer sensor comprises the following steps: modifying the prepared polyamidoamine dendrimer-gold nanoparticles (PAMAM-GNPs) compound and nickel hexacyanoferrate nanoparticles (NiHCFNPs) to the electrode surface by utilizing the electrode surface modification technology, then carrying out electro-deposition on one layer of gold nanoparticles, modifying on the electrode surface, modifying amino group to the tail end of the DA connected with an aptamer, modifying the amino group on the electrode surface by affinity of the gold nanoparticles and the amino group, and finally, combining one layer of DA to be detected outside the aptamer, thereby preparing the electrochemical aptamer sensor. The prepared electrochemical aptamer sensor used as a working electrode is connected to an electrochemical workstation, an electrochemical signal changes before and after DA connection, and the change of the electrochemical signal is utilized to detect the DA. The prepared molecularly imprinted electrochemical sensor has strong selectivity and high sensitivity, is simple and rapid to operate and is suitable for DA detection.
Owner:UNIV OF JINAN
Method for constructing dendrobium officinale polysaccharide fingerprinting
InactiveCN101716283AEasy to operateSensitive operationMetabolism disorderPreparing sample for investigationRelevant informationElectrophoresis
The invention relates to a method for constructing dendrobium officinale polysaccharide fingerprinting, which concretely comprises the following seven operation steps: extracting dendrobium officinale polysaccharide, carrying out zymohydrolysis on the dendrobium officinale polysaccharide, deriving a dendrobium officinale polysaccharide zymolyte, constructing an oligosaccharide scale, deriving oligosaccharide of different polymerization degrees and constructing the dendrobium polysaccharide fingerprinting of different producing areas and different varieties. The method of extracting the dendrobium officinale polysaccharide of different producing areas and different varieties, the method of carrying out zymohydrolysis on the polysaccharide and the method of deriving a polysaccharide zymohydrolysis product are the same as the steps (1), (2) and (3) and can be respectively operated simultaneously. The method for constructing the dendrobium officinale polysaccharide fingerprinting by utilizing a fluorescent auxiliary sugar electrophoresis technology has the advantages of simple and sensitive operation, high efficiency and the like, is a novel method for identifying and evaluating traditional Chinese medicinal materials and makes up for the defect that the traditional method for identifying and evaluating the traditional Chinese medicinal materials is lack of the relevant information of medicinal active substances.
Owner:HEFEI UNIV OF TECH
Preparation method and application of competitive type aptamer sensor for detecting oxytetracycline
InactiveCN103616423AStrong conductivityHigh sensitivityMaterial electrochemical variablesAntigenPhysics
The invention provides a competitive type aptamer sensor for detecting oxytetracycline (OTC) in food. By using graphene oxide-polyaniline (GO-PANI) and horse radish peroxidase (HRP) as amplification strategies, the competitive type aptamer sensor is constructed for performing ultra-sensitive detection on the oxytetracycline (OTC). During construction, a GO-PANI film is dropwise added on the surface of a glassy carbon electrode, and a gold nano particle is deposited on the surface of the electrode through an electrochemical method. An OTC connection aptamer has high affinity and specificity to OTC, is connected with the OTC when being used as a capture probe, and is simultaneously connected with the HRP to form an HRP-Apt. A complete antigen (OTC-BSA (Bovine Serum Albumin)) as an immobilized antigen is connected with the surface of the electrode, and is combined with the HRP-Apt by competing with to-be-detected OTC which is added in later. The sensor connected with the HRP on the surface performs electrochemical measurement in a work solution containing HQ (Hydroquinone Quinol) and H2O2. The oxytetracycline (OTC) can be detected by using the change of an electrochemical signal. The competitive type aptamer sensor prepared by adopting the method is strong in selectivity, high in sensitivity, simple and rapid to operate, and suitable for detecting the oxytetracycline (OTC) in a food.
Owner:UNIV OF JINAN
Device for detecting dynamic specific oxygen utilization rate of activated sludge system
InactiveCN101556270ARealize online detectionSolve the problem of offline measurement, hysteresis, and no online feedbackEarth material testingSustainable biological treatmentHysteresisReflux
The invention relates to a device for detecting dynamic specific oxygen utilization rate (SOUR) of an activated sludge system, belongs to the theory and technique of strengthening biological denitrification treatment with an activated sludge process, and designs a set of on-line detection device for simultaneously feeding back the activated sludge specific oxygen utilization rate of SBR process by aiming at the problems of off-line measurement, hysteresis quality and unavailable on-line detection and feedback and the like existing in the traditional method for measuring the oxygen utilization rate. The system is most characterized in that a sealed recorder jar is put on a magnetic stirring apparatus and a sludge circulating loop is formed through a reflux pump and a reactor; sensors are dissolved oxygen sensors and two sensors are respectively put in the sealed recorder jar and an SBR reactor so as to be capable of realizing the on-line detection of SOUR and the simultaneous feedback. The device is concise in design, stable in operation and good in reproduction quality of measured data, and can accurately monitor the reactive states of the system at different time by intuitively representing the SOUR curve.
Owner:BEIJING UNIV OF TECH
Full hydraulic automatic dung cleaning robot
InactiveCN102893875AChieve progressImplement backClimate change adaptationAnimal housingDiseaseElectronic speed control
The invention discloses a full hydraulic automatic dung cleaning robot, and belongs to the technical field of dung cleaning mechanical equipment. According to the full hydraulic automatic dung cleaning robot, a front wheel is provided with a steering gear; the back of a base plate is connected with a crawler-type back wheel; the crawler-type back wheel is connected to a driving system and is driven by the driving system; the front end of the base plate is provided with a concave dung scraper; the dung scraper is provided with a hydraulic control system for controlling vertical movement; the front end on the upper part of the base plate is provided with a visualization system; the steering gear, the driving system, the hydraulic control system and the visualization system are connected to an electronic control system; and the electronic control system is in wireless signal transmission connection with a computer to realize remote control and monitoring within 200 meters. The full hydraulic automatic dung cleaning robot can remotely control to clean dung and monitor livestock in 24 hours, working conditions of livestock breeding managers are improved, a good environment for the growth of the livestock is created, diseases are reduced, the meat quality of the livestock is improved and the like.
Owner:SICHUAN AGRI UNIV
Homocysteine dry chemical detection strip and preparation method thereof
InactiveCN101592656ASensitive and goodImprove featuresMaterial analysis by observing effect on chemical indicatorBiological testingReagent stripChemical reaction
The invention provides a homocysteine dry chemical detection strip and a preparation method thereof. The invention aims to provide a detection strip and a preparation method thereof for fast semiquantitatively / quantitatively detecting homocysteine. The strip is composed of an elongated upper support layer, an elongated lower support layer and test layers in the middle and is divided into a hand-held area and a test area. A diffusion layer, a filtration layer, an enzyme reagent layer and a colour development reagent layer are arranged in the test area from top to bottom. Various grid materials of synthetic fibre materials can be used to prepare the diffusion layer, various filterable materials for separating blood can be used to prepare the filtration layer, and various asymmetric synthetic membranes can be used to prepare the enzyme reagent layer and the colour development reagent layer. A loading hole is arranged in the upper support layer, a sample is sent from the loading pole to the diffusion layer, the sample then permeates into the filtration layer, the enzyme reagent layer and the colour development reagent layer, chemical reactions are performed in the enzyme reagent layer and the colour development reagent layer to change the colour, and the change of optical density in reaction process can be tested through a test pole of the lower support layer.
Owner:BEIJING HUAANFO BIOMEDICAL RES CENT +1
Passive shapable sectorization antenna gain determination
InactiveUS7096040B1Sensitive operationEasy to operateSubstation equipmentAntenna detailsSmart antennaNetworked system
Disclosed are systems and methods which provide communication network antenna pattern configuration for optimized network operation. Preferably, a statistical smart antenna configuration is provided in which antenna patterns associated with various base stations of the communication network are configured to capitalize on the complex morphology and topology of the service area in providing optimized communications. Antenna patterns are preferably configured using merit based determinations, based upon link propagation conditions such as associated with the complex morphologies and topologies of the service area, to aggressively serve areas which are best served thereby while not serving areas which are best served by other network systems.
Owner:F POSZAT HU
Lower-limb joint orthosis and control method therefor
ActiveUS20120143112A1High sensitivitySmall sizeNon-surgical orthopedic devicesMagnetic tension forceFoot region
A lower-limb joint orthosis includes a lower component supporting the foot region, an upper component attached to the lower-limb, and an orthotic joint coupling both components. The orthotic joint comprises: a stator including some fluid chambers in which an MR fluid is enclosed; and a rotor including partition plates protruding into the respective fluid chambers. The stator includes a communication path between the anterior chamber and the posterior chamber. The rotor includes connection paths that connect the anterior chambers together, and connect the posterior chambers together. An electromagnet is placed on a side surface of the communication path so that a rotational resistance of the lower component and the upper component is adjusted by adjusting a magnetic force to control the viscosity of the MR fluid that flows through the communication path.
Owner:HASHIMOTO ARTIFICIAL LIMB MFG CORP
Portable method for detecting content of adenosine triphosphate (ATP)
InactiveCN103344682AThe synthesis method is simpleMild reaction conditionsMaterial electrochemical variablesGlucose meter deviceInvertase
The invention discloses a portable method for detecting content of adenosine triphosphate (ATP). The method comprises the following steps of: respectively modifying a magnetic bead and invertase on an ATP aptamer which is split into two sections, performing specific identification and combination on the ATP aptamer which is split into two sections and a target ATP so as to form a sandwich structure, so that the aptamer modified with the invertase is fixed on the magnetic bead; separating the magnetic bead from the solution, dissolving the cleaned magnetic bead in a sucrose solution for carrying out an enzymatic hydrolysis reaction, measuring the reaction solution subjected to enzymatic hydrolysis by employing a glucometer, and indirectly detecting the concentration of ATP. The method is successfully applied to detection of the ATP concentration in a human serum sample, and the method has the advantages of simple operation, low cost, high sensitivity, high specificity and the like.
Owner:FUZHOU UNIVERSITY
Immunodetection method of organophosphorus pesticide multi-residue
InactiveCN102411051AReduce manufacturing costEasy to makeNanomagnetismSerum albuminCelluloseOrganophosphorus pesticides
The invention relates to an immunodetection method of organophosphorus pesticide multi-residue in the technical field of pesticide detection, and the immunodetection method comprises the following steps: synthesizing an organophosphorus generic hapten, and coupling with protein to prepare an immunogen and a coating antigen; using the immunogen to perform animal immunization so as to get an organophosphorus pesticide generic antibody; synthesizing Fe3O4 magnetic nanoparticles and performing surface modification; coupling the Fe3O4 magnetic nanoparticles after surface modification with the organophosphorus pesticide generic antibody to form immune magnetic beads; adding a nitrocellulose membrane on a baseplate of a test strip, coating the immunogen prepared by coupling the organophosphorus generic hapten with the protein on the membrane, closing to form a detection part, and finally determining the optimal coating, the closing conditions and the using quantity of the immune magnetic beads; and performing qualitative and semi-quantitative detection. The detection method is simple and convenient to operate, sensitive and fast; large-scale instruments are not required; and the detection method is suitable for field sampling detection and large-batch detection tasks.
Owner:SHANGHAI JIAO TONG UNIV
Lower limb joint orthosis and control method therefor
ActiveUS8870801B2Compact structureSimplifying itNon-surgical orthopedic devicesProsthesisMagnetic tension forceFoot region
A lower-limb joint orthosis includes a lower component supporting the foot region, an upper component attached to the lower-limb, and an orthotic joint coupling both components. The orthotic joint includes: a stator including some fluid chambers in which an MR fluid is enclosed; and a rotor including partition plates protruding into the respective fluid chambers. The stator includes a communication path between the anterior chamber and the posterior chamber. The rotor includes connection paths that connect the anterior chambers together, and connect the posterior chambers together. An electromagnet is placed on a side surface of the communication path so that a rotational resistance of the lower component and the upper component is adjusted by adjusting a magnetic force to control the viscosity of the MR fluid that flows through the communication path.
Owner:HASHIMOTO ARTIFICIAL LIMB MFG CORP
Multi-wall carbon nano-tube bridged 3D graphene conductive network and preparation method thereof
InactiveCN104730121AImprove conductivityEffective collisionMaterial nanotechnologyNanomedicineAfter treatmentCyclodextrin
The invention discloses a carboxylation multi-wall carbon nano-tube bridged 3D graphene conductive network and a preparation method thereof. The method comprises the steps of preparing graphite oxide, preparing cyclodextrin functionalized graphene and preparing the carboxylated multi-wall carbon nano-tube bridged 3D graphene conductive network. The covalence organic decoration technology and the non-covalence organic decoration technology are scientifically combined, a nano hybridized material responding to electrochemical promotion of dopamine, ascorbic acid, purine trione and tryptophan is established, and the electrochemical performance of a nano material is adjusted by changing the type of cyclodextrin and the content of the carboxylated multi-wall nano-tube; the 3D functionalized nano material is simple in synthesis step, efficient, simple in after-treatment and easy for mass preparation; moreover, by adopting the 3D functionalized nano material, DA, AA, UA and Trp can be sensitively detected in a complicated environment in the presence of other interference substances; the defect that CDs is likely to drop can be effectively solved, and the conductivity of the system and the CDs selectivity can be remarkably improved by virtue of the non-covalence bridging of the carboxylated carbon nano-tube.
Owner:NANJING UNIV OF SCI & TECH
Peanut combine
ActiveCN101960945AGood feeding performanceScientific and reasonable structure designDigger harvestersThreshersAgricultural engineeringAgricultural machinery
The invention provides a peanut combine and relates to the peanut combine of agricultural machinery. The peanut combine comprises a walking mechanism, a power output transmission system, a harvesting mechanism, a clamping and conveying mechanism, a soil compacting mechanism, a peanut stripping mechanism, a cleaning mechanism, a chain post hollow secondary cleaning and elevating mechanism and a peanut collecting and storing device. The peanut combine has the advantages that: a good grain lifting feeding effect is achieved due to the adoption of a conical grain lifter; a rocker soil compacting mechanism can compact most soil blocks carried by peanut roots; and the chain post hollow secondary cleaning and elevating mechanism can realize secondary cleaning and finish elevating collected peanuts and is matched with primary cleaning of a vibrating screen so as to achieve a more ideal cleaning effect. The peanut combine has the advantages of capability of finishing plowing harvesting, clamping conveying, soil compacting, peanut stripping, cleaning, secondary cleaning and elevating collection and storage at one time, scientific and reasonable overall structural design, small size, low construction cost, suitability for operation on various fields, sensitive self-walking and operation, high harvesting efficiency and suitability for large-area popularization.
Owner:青岛金沃农业装备有限公司
Method for detecting ochracin A based on fluorescence anisotropy of nucleic acid aptamer
The invention provides a method for detecting ochracin A based on the fluorescence anisotropy (fluorescence polarization) of a nucleic acid aptamer marked by a fluorescent dye tetramethylrhodamine (TMR for short). According to the method, the TMR is modified to a specific position of the aptamer of the ochracin A, the fluorescence anisotropy (fluorescence polarization) value of the TMR-marked nucleic acid aptamer is obviously changed due to the combination of the ochracin A, and the fluorescence anisotropy (fluorescence polarization) value is detected, so as to realize the quantitative detection of the ochracin A. The method has the advantages of simplicity and rapidness in operation, easiness in high throughput test, good specificity, high sensitivity and low cost.
Owner:SHANXI UNIV
Preparing method for magnetic control ratio fluorescence adapter sensor for sensitivity detection of fumonisins B1
InactiveCN105717285AQuick identificationRapid enrichmentBiological testingFluorescence/phosphorescenceMagnetic beadFumonisin B1
The invention provides a preparing method for a magnetic control ratio fluorescence adapter sensor for sensitivity detection of fumonisins B1. The method comprises the following steps that a CdTe quantum dot aqueous solution emitting green fluorescence and a CdTe quantum dot aqueous solution emitting red fluorescence are prepared; a SiO2 nanosphere dispersing solution is prepared; a Fe3O4@SiO2 magnetic bead dispersing solution is prepared; a gQDs-covered SiO2 dispersing solution is prepared; an rQDs-covered mSiO2 nanosphere dispersing solution is prepared; a SiO2@gQDs-marked Aptamer fluorescence probe dispersing solution is prepared; an mSiO2@rQDs-marked cDBA magnetic-fluorescence probe dispersing solution is prepared; the sensor is structured, and a sample is detected; the sample to be detected is detected. The magnetic control ratio fluorescence adapter sensor developed through the preparing method is simple in processing method, convenient to use, low in detection cost, and capable of providing internal correction to eliminate interferences of factors such as environment factors, stimulating strength changes and probe concentration, greatly reducing errors, and improving accuracy and sensitivity of FB1 detection.
Owner:JIANGSU UNIV
African swine fever virus fluorescent type RAA detecting kit
PendingCN110358867ARealize detectionEfficient amplificationMicrobiological testing/measurementDecompositionSwine Fever Virus
The invention discloses an African swine fever virus fluorescent type RAA detecting kit which comprises specific primers ASFV-F and ASFV-R and an RAA-exo probe ASFV-P. The basic groups in a target amplification subsequence are substituted by tetrahydrofuran (THF residues), dT-fluorophore and dT-quenching groups, a marked reported fluorescent dye is FAM, a fluorescent quenching group is BHQ-1, splitting decomposition can be conducted on the probe at the THF site by exonuclease in an agent, the fluorescent group can be separated from the quenching groups, and fluorescent signals are generated. By means of the kit, at the constant temperature of 37-42 DEG C, the African swine fever virus is detected within 20 minutes, the specificity is 100%, and the detection sensitivity is 10 copies per microliter. Thus, the kit has the advantages of being simple, rapid and sensitive in operation and provides effective technological means for on-site rapid detecting and screening of the African swine fever virus.
Owner:ZHENGZHOU ZHONGDAO BIOTECHNOLOGY CO LTD +2
Method for detecting dynamic specific oxygen utilization rate of activated sludge system
ActiveCN101539564AAccurately control the progress of biochemical reactionsTimely feedbackEarth material testingHysteresisNitrogen removal
The invention relates to a method for detecting a dynamic specific oxygen utilization rate of an activated sludge system, belonging to a theory and a technology for enhancing a biological nitrogen removal process by activated sludge process. Aiming at the problems of a traditional method for measuring the oxygen utilization rate such as off-line measurement, hysteresis quality, no on-line measurement and on-line feedback, and the like, the invention provides a method for detecting the specific oxygen utilization rate of the activated sludge system with on-line measurement and on-line feedback. The invention has the following creative features that a programmable controller and a measuring system are used for on-line monitoring the specific oxygen utilization rate of the activated sludge and effectively representing a SBR technical biochemical reaction process; wherein, when the specific oxygen utilization rate is lower than a set value, the controller judges according to a feedback signal so as to transmit a control signal to a fan to stop aeration. The invention has the advantages of simple operation, sensitive response, etc. By detecting the index, the invention can timely feed back the operation information in the process of aerating, therefore establishing a theoretical base and a data support for realizing real-time control which uses the specific oxygen utilization rate as a parameter.
Owner:BEIJING UNIV OF TECH
Fluorescence sensor for detecting pyrophosphatase and preparation method thereof
InactiveCN104237193AThe synthesis method is simpleEasy to getFluorescence/phosphorescencePyrophosphataseChemistry
The invention discloses a fluorescence sensor for detecting pyrophosphatase and preparation method thereof, with pyrophosphoric acid only before adding the pyrophosphatase, the pyrophosphoric acid and the cupric compound react for producing the complex, the sodium ascorbate cannot reduce the complex cupric compound into the cuprous compound as the catalyst, the azide coumarin and the propargyl alcohol cannot have the 1.3-dipole cycloaddition, so that the fluorescence intensity of the system is low; after adding the pyrophosphatase, which can hydrolyze the pyrophosphoric acid for inhibiting the formation of cupric compound complex, the click chemistry reaction continues, the fluorescence intensity of the system is greatly improved, the relationship between the fluorescence intensity and the amount of the pyrophosphatase is linear relationship. The sensor is successfully used for detecting pyrophosphatase inhibitor sodium fluoride, the fluorescence sensor for detecting pyrophosphatase and the preparation method thereof are simple in operation, low in cost, high in sensitivity and good in specificity.
Owner:FUZHOU UNIVERSITY
Electric chain saw
ActiveCN101590548AImprove the safety of useConducive to miniaturization designMetal sawing devicesChain sawsGear wheelElectric machinery
The invention discloses an electric chain saw, which comprises a shell, a motor and a brake device thereof, wherein the motor and the brake device are arranged in the shell. The brake device comprises a brake drum and a brake band, wherein the brake drum is sleeved on a motor shaft and rotates along with the motor shaft; and the brake band is sleeved on the outer edge of the brake drum, one end of the brake band is connected with a first brake unit, and the other end of the brake band is connected with a second brake unit. The brake device in the electric chain saw adopts two brake units which can reply two conditions of normal braking and emergency braking respectively, and when one brake unit fails, the other brake unit can implement braking, so the brake device fully meets the requirement in the aspect of service safety of the electric chain saw, and has the characteristics of quick braking, simple and convenient operation and sensitive motion; and compared with the prior electric chain saw adopting the brake mechanisms such as a clutch, a lever and a gear, the electric chain saw of the invention has the advantages of simple integral structure and few parts, and is more favorable for miniaturized design of the electric chain saw.
Owner:SUZHOU KINGCLEAN PRECISION MACHINERY
Electromagnetic oven device convenient for adjusting power
ActiveCN101871663ANo blind spotsNo misuseDomestic stoves or rangesLighting and heating apparatusElectrical resistance and conductanceCapacitance
Owner:ZHEJIANG SUPOR ELECTRICAL APPLIANCES MFG CO LTD
Single ingot combined automatic stop arrangement of composite twisting machine
The invention relates to a full automatic control device of textile machinery, which solves the technical problem of leading a spindle in every twisting unit equipped with the full automatic control device to have the function of automatic stop of short yarn and full tube as well as the characteristics of rapid response, sensitive operation, accurate computation, structural durability and low cost. A composite twisting machine single spindle assembly automatic stop device also comprises a broken wire detecting rod articulated on a stander, a trigger rod positioned under the broken wire detecting rod, a piece of electromagnet used for absorbing the trigger rod and driving the trigger rod to move downwards, a winding roller clutch and an electronic detecting head installed on the clutch; a loop at one end of the broken wire detecting rod is used for being passed through by yarn, and presses the trigger rod arranged under the loop to move downwards together when the yarn is broken; the electronic detecting head send out electrical signals when the length of the twisted yarn reaches the preset standard; once receiving the electrical signals, the electromagnet immediately absorbs the trigger rod and drives the trigger rod to move downwards, and the winding roller clutch is further triggered to act and do stop operation at once.
Owner:HANGZHOU CHANGYI TEXTILE MACHINE
Kit of testing garlic virus and testing method
InactiveCN1563411AHigh sensitivity and specificityAvoid pollutionMicrobiological testing/measurementPositive controlBiology
This invention relates to garlic virus RT-PCR test reagent box and its test method specially used in the test of GMV and GCLV, among which, the box includes: an inverse transcription reagent box, a PCR box and a positive control. The test method includes reaction of the inverse transcription, PCR reaction and electrophoresis detection, the electrophoresis containing GMV test result is the amplified 32Tbp strip and the result with GCLV is the amplified 469bp strip. The PCR part of the reagent box adopts small reaction system.
Owner:NANJING AGRICULTURAL UNIVERSITY
Preparation method and application of current type electrochemical sensor for detecting bisphenol A
InactiveCN103217468AImprove conductivityHigh sensitivityMaterial electrochemical variablesBisphenolMaterials science
The invention provides a preparation method and an application of a current type electrochemical sensor for detecting bisphenol A, belonging to the field of a nano functional material and environmental detection. The preparation method of the bisphenol A electrochemical sensor utilizes an electrode surface modification technology to modify a prepared PtRu nano porous alloy material and a chitosan solution on the surface of an electrode, and takes the electrode which is successfully modified as a working electrode to be connected to an electrochemical work station, so as to detect the bisphenol A. The electrochemical sensor disclosed by the invention has the advantages of strong selectivity, high sensitivity, and simplicity and rapidness in operation, and is suitable for detecting the bisphenol A in a water sample.
Owner:UNIV OF JINAN
Vehicle control system and method
InactiveUS20190135276A1Increase distanceSensitive operationExternal condition input parametersVehicle dynamicsControl system
A vehicle control system and method through peripheral collision situation prediction are disclosed. The vehicle control system includes omnidirectional sensors configured to sense distances and relative speeds between a host vehicle and peripheral objects and to transmit the distances and the relative speeds to an electronic control unit, vehicle dynamics sensors configured to sense a driving speed of the host vehicle and to transmit the driving speed to the electronic control unit, and the electronic control unit configured to receive sensing signals from the omnidirectional sensors and the vehicle dynamics sensors, to predict collision risk between a plurality of the peripheral objects and to execute control so as to perform braking avoidance and steering avoidance of the peripheral objects, thus being capable of preventing a secondary accident or a pile-up.
Owner:HL KLEMOVE CORP
Aptamer for identifying zeatin through specifity, and screening method and application of aptamer
ActiveCN102732523AHigh affinityEasy to operateOrganic chemistryMicrobiological testing/measurementScreening methodNucleic Acid Probes
The invention discloses an aptamer for identifying zeatin through specifity, and a screening method and an application of the aptamer. The aptamer is a single-chain DNA (deoxyribonucleic acid) segment shown by any one from sequence 1 to sequence 8 in a sequence table. The aptamer and the nucleic acid probe based on the aptamer can identify the zeatin through specifity, have better affinity for trans-zeatin and trans-zeatin riboside than cis-zeatin and dihydro zeatin, and are used for detecting whether materials to be detected contain the zeatin and the content of the zeatin. The method has the advantages of being simple, sensitive, rapid and special in operation and low in cost, and the method has high application value on the aspects of separating, enriching and detecting the zeatin.
Owner:INST OF CHEM CHINESE ACAD OF SCI
Who we serve
- R&D Engineer
- R&D Manager
- IP Professional
Why Patsnap Eureka
- Industry Leading Data Capabilities
- Powerful AI technology
- Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.
© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com