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.
37results about How to "Fast electron transfer rate" 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
Electrochemical detection of nadh or naph
InactiveUS20050067303A1Easy to carryFast electron transfer rateImmobilised enzymesBioreactor/fermenter combinationsOxidoreductaseReductase
A method for detecting the presence or absence of, or for determining the concentration of, NADH or NADPH in a sample is provided, wherein the method comprises contacting a reductase and a redox active agent to said sample; and measuring the quantity of reduced redox active agent produced by the reductase, by electrochemical means. The method may be used to quantify the amount or activity of a redox enzyme or its substrate, wherein the redox enzyme uses NAD+, NADP+, NADPH or NADP as a cofactor.
Owner:ISIS INNOVATION LTD
Non-enzyme electrochemical transducer for detecting glucose
ActiveCN104237340AFast electron transfer rateGood analytical performanceMaterial electrochemical variablesGrapheneNanoparticle
The invention relates to a non-enzyme electrochemical transducer for detecting the glucose content on the basis of graphene / nanogold modified electrode (Gr-Au / GC). According to the non-enzyme electrochemical transducer for detecting the glucose, chloroauric acid (HAuCl4) and graphene (Gr) are used for preparing a modified electrode, the prepared modified electrode is extremely highly active on oxidation of the glucose, highly dispersed nanoparticles in the modified electrode provide large superficial area for electro-catalysis reaction, the detection sensitivity is improved, the electron transfer rate is increased, and analysis performance of the glucose is improved. According to the non-enzyme electrochemical transducer for detecting the glucose, the detection sensitivity of the glucose is high, the detection limit is low, and the detection range is wide.
Owner:广州衡创测试技术服务有限公司
Method for preparing functionalized composite nano-fiber modified electrode
ActiveCN103439388ALarge specific surface areaGood biocompatibilityMaterial electrochemical variablesComposite nanofibersHigh electron
The invention relates to method for preparing a functionalized composite nano-fiber modified electrode. The method specifically comprises the steps of (1) preparing a spinning solution; (2) preparing composite nano-fibers through electrostatic spinning so as to form a composite nano-fiber PA6-MWNTs modified electrode; (3) carrying out electrical-polymerization thionine functionalization on the composite nano fibers: soaking the composite nano-fiber PA6-MWNTs modified electrode into a polymerization solution containing thionine monomers PTH, applying a voltage to the modified electrode so as to carry out anodizing treatment, then, carrying out cyclic volt-ampere scanning, washing away the thionine monomers, adsorbed to the modified electrode, by using a phosphate buffer solution PBS, forming a functionalized composite nano-fiber electrode modification material PA6-MWNTs / PTH layer on the surface of the electrode after the polymerization reaction is ended, thus obtaining the functionalized composite nano-fiber PA6-MWNTs / PTH modified electrode. According to the method, a functionalized composite nano-fiber electrode modification material which has the characteristics of good stability, large specific surface area, good biocompatibility, high electron transfer rate, uniformly-distributed diameter and pore size, and the like is obtained.
Owner:SOUTHEAST UNIV
Preparation method for nanogold-nanofiber functional composite modified electrode
ActiveCN104090011ALarge specific surface areaGood biocompatibilityMaterial analysis by electric/magnetic meansFiberComposite nanofibers
The invention discloses a preparation method for a nanogold-nanofiber functional composite modified electrode. The preparation method specifically comprises the following steps of (1) preparing a spinning solution; (2) performing electrostatic spinning to prepare composite nanofibers to form a composite nanofiber PA6-MCWNTs modified electrode; and (3) performing functionalization on composite nanofibers through electro-deposition nanogold, namely immersing the composite nanofiber PA6-MCWNTs modified electrode into deposition liquid containing HAuCl4, reducing HAuCl4 into nanogold by adopting a multi-potential step change method, and synchronously and directly depositing the nanogold on the surfaces of PA6-MCWNTs composite nanofibers, thus obtaining the nanogold / nanofiber functional composite AuNPs-PA6-MCWNTs modified electrode. The preparation method can be used for obtaining a functional composite electrode modified material with the characteristics of high stability, large specific surface area, high biological compatibility, high electron transmission rate, uniform nano diameter aperture distribution and the like.
Owner:SOUTHEAST UNIV
Method for detecting glutathione concentration of solution
ActiveCN106525947AFast electron transfer rateGood stabilityMaterial electrochemical variablesGraphene quantum dotWorking electrode
The invention discloses a method for detecting the glutathione concentration of a solution. According to the method, a three electrode system is used, cyclic voltammetry is adopted to measure the glutathione concentration of a solution to be measured, the glutathione concentration of the solution can be obtained through a glutathione linear equation; in the three electrode system, the work electrode is subjected to an aminated graphene quantum dot modification treatment, and the work electrode is a glass-carbon electrode. The method has the advantages of simple operation, quick detection, and high sensitivity, and is capable of high-sensitively recognizing glutathione in a mixed sample solution.
Owner:滁州市南方黑芝麻食品有限公司
Method for detecting concentration of nitrite ions in solution
ActiveCN106198693AFast electron transfer rateImprove stabilityMaterial electrochemical variablesNitrite ionPyrrole
The invention discloses a method for detecting the concentration of nitrite ions in a solution. The method comprises the following steps: firstly, polymerizing carboxylated graphene with pyrrole to form carboxylatedgraphene-polypyrrole, and dissolving in a chitosan solution with the mass fraction of 0.5wt % to ultrasonically obtain a carboxylatedgrapheme-polypyrrole-chitosan mixed solution, titrating onto a glassy carbon electrode and drying to obtain a carboxylatedgrapheme-polypyrrole-chitosan modified electrode; secondly, taking the carboxylatedgrapheme-polypyrrole-chitosan modified electrode prepared by a step 1 as a working electrode, and detecting the concentration of nitrite ions in a solution to be detected through a differential pulse voltammetry by using a three-electrode system according to the differential pulse voltammetric curve of the nitrite ions. The method provided by the invention has the advantages of simple operation, rapid detection and high sensitivity, and the nitrite ions in the mixed sample solution can be sensitively recognized.
Owner:广西辰泰生物科技股份有限公司
BP (black phosphorus)-based modified electrode for detecting H2O2 and preparation method of modified electrode
InactiveCN108333238AEasy to prepareFast electron transfer rateMaterial electrochemical variablesComposite electrodePhosphoric acid
The invention discloses a BP (black phosphorus)-based modified electrode for detecting H2O2 and a preparation method of the modified electrode. Firstly, a pLL (polylysine) solution and a BP nanosuspension are mixed and left to stand, and a pLL-BP mixed solution is prepared; the pLL-BP mixed solution is dropwise added to the surface of a GCE (glassy carbon electrode), and a pLL-BP GCE composite electrode is formed; finally, the pLL-BP GCE composite electrode is soaked in a Hb (hemoglobin) phosphoric acid solution with the concentration of 1-4 mg / mL, the mixture is left to stand at the temperature of 0-4 DEG C for 8-14 h, and the BP-based modified electrode Hb-pLL-BP GCE is prepared. The modified electrode Hb-pLL-BP GCE is prepared with the simple preparation method and is accurate in detection result, high in detection sensitivity and good in selectivity when applied to electro-catalysis detection of H2O2.
Owner:SHANGHAI INST OF TECH
Preparation method of selenium doped vanadium selenide composite material
ActiveCN109295475ASimple processConditions are easy to controlElectrodesHigh pressureElectron transfer
The invention discloses a preparation method of selenium doped vanadium selenide composite material. The preparation method comprises the following steps: weighing a vanadium source and an alkali source, dissolving the weighed vanadium source and alkali source in water uniformly to obtain a mixed solution, filling the mixed solution in a high pressure reactor with poly-para-position polyphenyl lining, placing the high pressure reactor in a drying oven and reacting for 12-18 hours at 80-120 DEG C, washing, carrying out vacuum drying and grinding to obtain a precursor of VOOH compound, placing the precursor in a low-temperature tubular furnace for sintering reaction, and after the sintering reaction, grinding into powder to obtain the selenium doped vanadium selenide composite material. According to the preparation method, the technology is simple, the condition is easy to control, the preparation period is short, the production cost is low, and the prepared composite material has a lamellar structure, higher electron transferring rate, and high catalytic activity, stability and hydrogen generation efficiency.
Owner:SHAANXI UNIV OF SCI & TECH
Nucleic acid mediated electron transfer
InactiveUS7851146B2Fast electron transfer rateFaster rateBioreactor/fermenter combinationsBiological substance pretreatmentsElectrical conductorElectron donor
The present invention provides for the selective covalent modification of nucleic acids with redox active moieties such as transition metal complexes. Electron donor and electron acceptor moieties are covalently bound to the ribose-phosphate backbone of a nucleic acid at predetermined positions. The resulting complexes represent a series of new derivatives that are bimolecular templates capable of transferring electrons over very large distances at extremely fast rates. These complexes possess unique structural features which enable the use of an entirely new class of bioconductors and photoactive probes.
Owner:CALIFORNIA INST OF TECH
Preparation method of self-supporting Co-MOF/TM nanosheet array, electrochemical biosensor and application
InactiveCN110849952AFast electron transfer rateImprove conductivityMaterial analysis by electric/magnetic meansElectrochemical biosensorHigh electron
The invention belongs to the technical field of new nano materials, and particularly relates to a preparation method of a self-supporting Co-MOF / TM nanosheet array, an electrochemical biosensor and anapplication. The preparation method comprises the following steps: dissolving CoCl2. 6H2O and TPA in DMF, perfomring stirring, adding ethanol and ultrapure water, and performing continuous stirring to obtain a mixed solution; putting the titanium mesh into the mixed solution for hydrothermal reaction, and cooling, washing and drying an obtained sample to obtain the Co-MOF / TM nanosheet array. Thenanosheet array prepared by the invention has the advantages of high electron transfer rate and high conductivity, and the prepared electrochemical sensor has the advantages of low detection limit, good stability and excellent electrochemical performance. Meanwhile, the preparation method is simple, and materials are easy to obtain.
Owner:QUFU NORMAL UNIV
Preparation method of graphene photocatalyst, product and application
InactiveCN113413913AIncrease the areaLarge apertureWater/sewage treatment by irradiationWater treatment compoundsAnthraquinonesFreeze-drying
The invention discloses a preparation method of a graphene photocatalyst, a product and application, and belongs to the technical field of photocatalysts. The preparation method comprises the following steps: adding graphene oxide into water to be dispersed, and obtaining graphene oxide dispersion liquid; adding anthraquinone-2-sodium sulfonate into the graphene oxide dispersion liquid to obtain a composite solution, then heating to obtain hydrogel, and then washing and freeze-drying; the photocatalyst prepared by the method has a relatively large specific surface area and aperture, can enrich micropollutants in water, has a relatively high electron transfer rate and good sunlight absorption performance, has a very good purification effect on the micropollutants in a high-salinity water body, especially has a sulfadiazine removal rate of 99%, and has good application prospects in the fields of high-salinity water body purification and the like.
Owner:HARBIN INST OF TECH
Method for detecting tyrosine by using chitosan-functionalized gold nano-modified glassy carbon electrode
ActiveCN107271506AEasy to makeFast electron transfer rateMaterial electrochemical variablesTyrosinePhysical chemistry
The invention discloses a method for detecting tyrosine by using a chitosan-functionalized gold nano-modified glassy carbon electrode. The method comprises the following steps of (1) preparing a mixed liquid A, mixing the mixed liquid and a chitosan solution with the mass fraction of 0.5wt% at the volume ratio of 1:1, carrying out ultrasonic treatment, carrying out centrifugal treatment, taking sediments, dispersing the sediments into water at the mass-volume ratio of (5-8mg):1ml, carrying out ultrasonic treatment to obtain a micro-solution, titrating the micro-solution on the surface of the glassy carbon electrode and airing to obtain the chitosan-functionalized gold nano-modified glassy carbon electrode; and (2) adopting the chitosan-functionalized gold nano-modified glassy carbon electrode prepared from the step (1) as a working electrode, and detecting the concentration of tyrosine in a to-be-detected solution by using a differential pulse voltammetry of a three-electrode system according to a differential pulse voltammetry curve of the tyrosine. The method has the advantages of being simple in operation, fast in detection and high in sensitivity, and high-sensitivity recognition of the tyrosine in the mixed sample solution can be carried out.
Owner:美也环境科技(江苏)有限公司
Method for detecting nitrite ion concentration in solution
ActiveCN106198693BFast electron transfer rateImprove stabilityMaterial electrochemical variablesNitrite ionPolypyrrole
The invention discloses a method for detecting the concentration of nitrite ions in a solution, which includes the following steps: Step 1: Polymerize carboxylated graphene and pyrrole to form carboxylated graphene-polypyrrole, and dissolve it in a solution with a mass fraction of 0.5wt% In the chitosan solution, ultrasonicate to obtain a carboxylated graphene-polypyrrole-chitosan mixture, titrate it onto a glassy carbon electrode, and dry it to obtain a carboxylated graphene / polypyrrole / chitosan modified electrode; step two, use The carboxylated graphene / polypyrrole / chitosan modified electrode prepared in step 1 was used as the working electrode. According to the differential pulse voltammetry curve of nitrite ions, a three-electrode system was used to measure the nitrous acid in the test solution through differential pulse voltammetry. The concentration of radical ions is detected. The invention has the advantages of simple operation, fast detection and high sensitivity, and can perform highly sensitive identification of nitrite ions in the mixed sample solution.
Owner:广西燕口福生物科技股份有限公司
Modified nano zero-valent iron with core-shell structure as well as preparation method and application of modified nano zero-valent iron
ActiveCN114751502AImprove removal efficiencyEasy to makeWater contaminantsContaminated soil reclamationPhysical chemistryCarboxylic acid
The invention discloses modified nano zero-valent iron with a core-shell structure as well as a preparation method and application thereof, belongs to the technical field of heavy metal pollution remediation, and solves the technical problem that the existing nano zero-valent iron cannot completely overcome the defects of the nano zero-valent iron so as to remarkably improve the reduction removal efficiency of heavy metal ions. The invention discloses a preparation method of modified nano zero-valent iron with a core-shell structure, which comprises the following steps: chelating ferrous ions by adopting an amino carboxylic acid compound, adding a KBH4 solution into a mixed solution to form amorphous nano zero-valent iron, and reacting for a certain time to finally obtain the modified nano zero-valent iron with the core-shell structure. According to the method, the modified nanoscale zero-valent iron material with the core-shell structure can be prepared through one step and one modified material, and the preparation process is simple. The modified nano zero-valent iron with the core-shell structure obtained by the method is not easy to oxidize, weak in agglomeration effect, long in storage time, higher in electron transfer rate and higher in heavy metal ion removal efficiency.
Owner:陕西省中勘环境地质研究中心有限公司 +1
Preparation method of detection electrode for pathogenic bacteria in water environment of construction site
PendingCN113466303ASimple processEasy to operateMaterial electrochemical variablesCarbon nanotubeMicrobiology
The invention discloses a preparation method of a detection electrode for pathogenic bacteria in the water environment of a construction site. The preparation method comprises the following steps of: S1, preparing a gold electrode; S2, performing electrode surface treatment; S3, modifying on the surface of the electrode with single-walled carbon nanotubes (SWNTs); S4, incubating connecting molecules; and S5, performing a blocking reaction. The electrode for detecting the pathogenic bacteria in the water environment, prepared by the process, is long in service life, high in detection efficiency and capable of accurately identifying different types of bacteria.
Owner:CHINA MCC17 GRP
Molecularly imprinted photocatalytic material as well as preparation method and application thereof
ActiveCN113578364ASimple reaction conditionsEasy to recycleWater/sewage treatment by irradiationWater treatment compoundsPhysical chemistryCarbon nitride
The invention discloses a molecularly imprinted photocatalytic material as well as a preparation method and application thereof, and belongs to the technical field of photocatalytic materials. The molecularly imprinted photocatalytic material is composed of titanium dioxide, iron oxide and carbon nitride. According to the invention, molecularly imprinted titanium dioxide is compounded with iron oxide and carbon nitride, so that the forbidden bandwidth of titanium dioxide is reduced, and the prepared molecularly imprinted catalytic material can generate photo-induced electrons and holes under natural light; and meanwhile, the prepared molecularly imprinted catalytic material is a ternary material, the separation degree of the photo-induced electrons and holes of the photocatalytic material is improved and the photocatalytic efficiency is improved by utilizing the exciton effect of the ternary material, so that the performance of photocatalytic degradation of pollutants is improved, and the molecularly imprinted catalytic material has a good application prospect in the fields of complex water body purification and the like.
Owner:HARBIN INST OF TECH
A kind of optical metal-based modified gel and its preparation method and application
ActiveCN113046075BHigh ECL intensityLow costMaterial nanotechnologyNanoopticsTriazinePhotoelectric efficiency
Owner:SOUTHEAST UNIV
Method for detecting concentration of hydrogen peroxide in solution
ActiveCN109856208BFast electron transfer rateImprove stabilityMaterial electrochemical variablesBuffer solutionAnalytical chemistry
Owner:菏泽市巨丰新能源有限公司
Preparation method of composite photovoltaic cell
ActiveCN109192519BComprehensive adsorptionLarge specific surface areaLight-sensitive devicesPhotovoltaic energy generationCopper oxideHierarchical porous
The invention discloses a preparation method of a composite photocell. In the invention, an electrophoretic deposition method is firstly used to prepare ordered CuO-rGO (Copper Oxide-Graphene) nano-film in FTO conductive glass, and then, by controlling the hydrolysis rate of Cu2 (OH) 2CO3 colloid to regulate the self-assembly process of CuO nano-particles in conductive glass, the hierarchical porous structure in CuO thin film can be effectively controlled and applied to solar cells. At the same time, the photovoltaic cell fabricated by conductive glass with grid groove structure on the upper surface can ensure the photovoltaic conversion efficiency of the photovoltaic cell and reduce the wear of the platinum counter electrode. The composite photovoltaic cell of the invention has a hierarchical porous structure, which can increase the path of light, improve the light capture efficiency and enhance the service life of the solar photovoltaic cell.
Owner:杨松平
A titanium dioxide-carbon rod microelectrode, its preparation method and its application in detecting the concentration of acetaminophen in blood
InactiveCN104698053BLow costImprove performanceTitanium dioxideMaterial electrochemical variablesCopper wireMicroelectrode
The invention discloses a titanium dioxide-carbon rod microelectrode, a preparation method and the application thereof for detecting the concentration of acetaminophen in blood. The electrode comprises a carbon rod and a copper wire, the carbon rod is connected with the copper wire through silver conducting adhesives, and titanium dioxide is loaded on the carbon rod. The preparation method comprises the steps that titanium powder and ammonium chloride powder which are evenly mixed are heated at high temperature to obtain the titanium dioxide, ultrasonic dispersion is performed on the titanium dioxide in deionized water, and finally one end of the carbon rod is fixed with the copper wire by using the conducting adhesives to obtain the carbon rod microelectrode modified by the titanium dioxide. The preparation raw materials of the titanium dioxide-carbon rod microelectrode are simple, easy to obtain, non-poisonous and environmental-friendly and low in cost; the modified electrode can be used for detecting the content of the acetaminophen in the blood, and has the advantages of being fast in response time, wide in linear range, low in detection limit, good in reproducibility and high in stability and the like.
Owner:南京嘉美清丽环境科技有限公司
Preparation and application of ultrathin two-dimensional layered composite photocatalytic materials
ActiveCN111097477BImprove photocatalytic activityLarge specific surface areaPhysical/chemical process catalystsWater/sewage treatment by irradiationThio-Tetracycline Hydrochloride
The invention discloses the preparation and application of an ultra-thin two-dimensional layered composite photocatalytic material. After heating, heat preservation and natural cooling of urea, heating again, heat preservation, natural cooling and grinding, g-C is obtained. 3 N 4 nanosheets; the g‑C 3 N 4 Disperse the nanosheets in deionized water, then add graphene oxide solution, ultrasonically stir, cool to reflux, stir, after cooling, centrifuge and wash to obtain g‑C 3 N 4 / rGO complex; the In(NO 3 ) 3 ·5H 2 O, cetyltrimethylammonium bromide and thioacetamide were added to deionized water, stirred ultrasonically, and then added g‑C 3 N 4 / rGO composite, ultrasonic stirring, cooling and reflux, stirring, cooling, centrifugal washing, and vacuum drying to obtain an ultrathin two-dimensional layered composite photocatalytic material. The preparation method has a simple process, and the prepared photocatalytic material has a wide visible light response range, and has an efficient effect of degrading tetracycline hydrochloride under visible light irradiation.
Owner:LANZHOU UNIVERSITY
Detection method of dopamine concentration
ActiveCN109856206BFast electron transfer rateImprove stabilityGrapheneMaterial electrochemical variablesDifferential pulse voltammetryDopamine
The invention discloses a method for detecting the concentration of dopamine. The method comprises the following steps: preparing an amination-reduced graphene oxide and Pt-Au bimetallic modified glassy carbon electrode; preparing PBS buffer solutions of different concentrations of dopamine; constructing a three-electrode system by taking the prepared amination-reduced graphene oxide and Pt-Au bimetallic modified glassy carbon electrode as a working electrode, detecting the PBS buffer solutions of dopamine by differential pulse voltammetry to obtain differential pulse voltammetry curves corresponding to the PBS buffer solutions of different concentrations of dopamine, and establishing a relationship equation between the concentration of dopamine and current intensity; and determining the differential pulse voltammetry curves of a buffer solution to be measured and corresponding current intensity, and deducing the concentration of dopamine in the buffer solution to be measured accordingto the relationship equation between dopamine concentration and current intensity. The method has the advantages of easiness in operation, high sensitivity and low detection limit.
Owner:重庆金域医学检验所有限公司
Graphene-polypyrrole/platinum nano modified glassy carbon electrode, preparation method for same and application thereof
InactiveCN102361087BImprove electrical activityLarge electroactive areaCell electrodesPtru catalystFuel cells
The invention discloses a graphene-polypyrrole / platinum nano modified glassy carbon electrode and a preparation method for the same. The preparation method particularly includes the steps of polishing a glassy carbon electrode, and preparing a grapheme modified glassy carbon electrode, a graphene-polypyrrole modified glassy carbon electrode and the graphene-polypyrrole / platinum nano modified glassy carbon electrode. The obtained graphene-polypyrrole / platinum nano modified glassy carbon electrode is used as a catalyst for methanol oxidation in a methanol fuel cell. The graphene-polypyrrole / platinum nano modified glassy carbon electrode has the advantages of high dispersion, high catalytic activity and high anti-toxicity.
Owner:NORTHWEST NORMAL UNIVERSITY
Preparation method and application of a nanofiber modified electrode
ActiveCN107356655BSimple processEasy to operateMaterial electrochemical variablesFiberBiocompatibility Testing
The invention relates to a production method and an application of a nano-fiber modified electrode. The method comprises the following steps: 1, preparing gold nano-particles from 4-(2-hydroxyerhyl)piperazine-1-erhaesulfonic acid, polyvinylpyrrolidone and a chloroauric acid solution; 2, uniformly mixing polyethersulfone resin, dimethyl formamide, dimethyl phthalate and the gold nano-particles to obtain a uniform spinning solution; 3, carrying out high-voltage electric field drawing on the spinning solution prepared in step 2 to form a nanofiber membrane on the surface of a boron-doped diamond electrode; and 4, eluting the electrode produced in step 3 with methanol to obtain the nano-fiber modified electrode having a molecularly-imprinted recognition function. A composite nano-fiber electrode modification material having the advantages of good stability, good biocompatibility, good identification specificity and large effective specific surface area is obtained through combining an electrospinning technology.
Owner:SOUTHEAST UNIV
Preparation method of composite photovoltaic cell
ActiveCN109192519AHelp flowIncrease contact areaLight-sensitive devicesPhotovoltaic energy generationPlatinumCopper oxide
The invention discloses a preparation method of a composite photocell. In the invention, an electrophoretic deposition method is firstly used to prepare ordered CuO-rGO (Copper Oxide-Graphene) nano-film in FTO conductive glass, and then, by controlling the hydrolysis rate of Cu2 (OH) 2CO3 colloid to regulate the self-assembly process of CuO nano-particles in conductive glass, the hierarchical porous structure in CuO thin film can be effectively controlled and applied to solar cells. At the same time, the photovoltaic cell fabricated by conductive glass with grid groove structure on the upper surface can ensure the photovoltaic conversion efficiency of the photovoltaic cell and reduce the wear of the platinum counter electrode. The composite photovoltaic cell of the invention has a hierarchical porous structure, which can increase the path of light, improve the light capture efficiency and enhance the service life of the solar photovoltaic cell.
Owner:杨松平
A method for rapid detection of tyrosine concentration
ActiveCN107219291BQuick checkFast electron transfer rateMaterial electrochemical variablesTyrosinePeak value
The invention discloses a method for quickly detecting concentration of tyrosine. The method comprises the following steps of (1) building a three-electrode system employing a glassy carbon electrode as a working electrode, measuring and recording differential pulse voltage-current curves of a plurality of PBS buffer solutions containing tyrosine of different concentration by using a differential pulse voltammetry separately and recording couponing voltage strength peaks; (2) drawing a standard curve and calculating a linear equation by employing the difference value between the voltage strength peak of each PBS buffer solution containing the tyrosine and the voltage strength peak of the PBS buffer solution free of the tyrosine as a vertical coordinate and the concentration of each part of tyrosine as a transverse coordinate; and (3) obtaining the voltage strength peak of a to-be-detected solution obtained in the step (1) and substituting the voltage strength peak into the liner equation to obtain the concentration of the tyrosine of the to-be-detected solution. The method has the advantages of being simple in operation, fast in detection and high in sensitivity, and high-sensitivity identification of the tyrosine in a mixed sample solution can be carried out.
Owner:铜陵华兴精细化工有限公司
A kind of preparation method of vanadium selenide doped selenium material
ActiveCN109225277BSimple processShort preparation cyclePhysical/chemical process catalystsElectrolytic agentPtru catalyst
The invention discloses a method for preparing a vanadium selenide-doped selenium material. The vanadium selenide-doped selenium material is prepared by a two-step method. The process is simple, the preparation cycle is short, the conditions are easy to control, and the production cost is low. The prepared vanadium selenide doped selenium The heteroselenium material has a lamellar structure, which is more conducive to the full contact between the electrocatalyst and the electrolyte, exposing more electrocatalytic site activity, so it has a faster electron transfer rate, thereby improving its electrocatalyst. Catalytic performance, the vanadium selenide doped selenium material prepared by the present invention has good electrocatalytic performance, and still maintains high HER electrocatalytic activity and stability under alkaline conditions.
Owner:SHAANXI UNIV OF SCI & TECH
Preparation method of nano-gold-nanofiber functional composite modified electrode
ActiveCN104090011BLarge specific surface areaGood biocompatibilityMaterial analysis by electric/magnetic meansFiberComposite nanofibers
The invention discloses a preparation method for a nanogold-nanofiber functional composite modified electrode. The preparation method specifically comprises the following steps of (1) preparing a spinning solution; (2) performing electrostatic spinning to prepare composite nanofibers to form a composite nanofiber PA6-MCWNTs modified electrode; and (3) performing functionalization on composite nanofibers through electro-deposition nanogold, namely immersing the composite nanofiber PA6-MCWNTs modified electrode into deposition liquid containing HAuCl4, reducing HAuCl4 into nanogold by adopting a multi-potential step change method, and synchronously and directly depositing the nanogold on the surfaces of PA6-MCWNTs composite nanofibers, thus obtaining the nanogold / nanofiber functional composite AuNPs-PA6-MCWNTs modified electrode. The preparation method can be used for obtaining a functional composite electrode modified material with the characteristics of high stability, large specific surface area, high biological compatibility, high electron transmission rate, uniform nano diameter aperture distribution and the like.
Owner:SOUTHEAST UNIV
Method for detection of tyrosine with chitosan-functionalized gold nano-modified glassy carbon electrode
ActiveCN107271506BEasy to makeFast electron transfer rateMaterial electrochemical variablesTyrosineDifferential pulse voltammetry
The invention discloses a method for detecting tyrosine by using a chitosan-functionalized gold nano-modified glassy carbon electrode. The method comprises the following steps of (1) preparing a mixed liquid A, mixing the mixed liquid and a chitosan solution with the mass fraction of 0.5wt% at the volume ratio of 1:1, carrying out ultrasonic treatment, carrying out centrifugal treatment, taking sediments, dispersing the sediments into water at the mass-volume ratio of (5-8mg):1ml, carrying out ultrasonic treatment to obtain a micro-solution, titrating the micro-solution on the surface of the glassy carbon electrode and airing to obtain the chitosan-functionalized gold nano-modified glassy carbon electrode; and (2) adopting the chitosan-functionalized gold nano-modified glassy carbon electrode prepared from the step (1) as a working electrode, and detecting the concentration of tyrosine in a to-be-detected solution by using a differential pulse voltammetry of a three-electrode system according to a differential pulse voltammetry curve of the tyrosine. The method has the advantages of being simple in operation, fast in detection and high in sensitivity, and high-sensitivity recognition of the tyrosine in the mixed sample solution can be carried out.
Owner:美也环境科技(江苏)有限公司
Nucleic Acid Mediated Electron Transfer
InactiveUS20100069624A1Fast electron transfer rateFaster rateSugar derivativesMicrobiological testing/measurementElectrical conductorElectron donor
The present invention provides for the selective covalent modification of nucleic acids with redox active moieties such as transition metal complexes. Electron donor and electron acceptor moieties are covalently bound to the ribose-phosphate backbone of a nucleic acid at predetermined positions. The resulting complexes represent a series of new derivatives that are bimolecular templates capable of transferring electrons over very large distances at extremely fast rates. These complexes possess unique structural features which enable the use of an entirely new class of bioconductors and photoactive probes.
Owner:CALIFORNIA INST OF TECH
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