62 results about "Nanoreactor" patented technology

The application discloses a kind of multistage nano-reactor array base nano-channel and preparation method thereof;The application first prepares periodic mesoporous organosilicon Au-PMO loaded with gold nanoparticles, then adopts multi-element assembly strategy, constructs nano-reactor array layer on the surface of porous anodic aluminum oxide AAO by spin coating method, and finally obtains Au-PMO / AAO hetero thin film with rich mesoporous structure and adjustable thickness.The gold nanoparticles loaded thereon are uniform in size and uniformly distributed, so that the thin film exhibits peroxidase-like activity.In addition, PMO / AAO thin film with different metal nanoparticles loaded can also be constructed using this method, paving the way for subsequent sensing, gating and catalytic applications.

The invention belongs to the technical field of photoelectrocatalysis, and particularly relates to a preparation method of a double-confinement hollow photocathode and application of the double-confinement hollow photocathode in synthesis of ammonia from nitrate wastewater through photoelectric reduction. According to the method, based on an ion exchange and in-situ growth strategy, a FeMnO3 / CuFe2O4 / Ti hollow cube integrated photocathode is constructed, hydroxyl functionalized ionic liquid (OH-ILs) is further introduced through vacuum impregnation, and an ILs (at) FeMnO3 / CuFe2O4 / Ti nanoreactor with a dual confinement effect is formed. Under ultraviolet-visible-near infrared (UV-Vis-NIR) illumination, the photocathode can remarkably promote separation of photo-induced electron-hole pairs, the charge transfer efficiency is improved, and high-selectivity and high-efficiency ammonia synthesis is achieved. Experiments show that the photocathode can almost completely convert nitrate in high-concentration nitrate wastewater (50mM) within 2.5 hours, so that the effluent reaches the drinking water standard of the World Health Organization (WHO). In a flowing electrolytic tank, the ammonia yield reaches 20.51 mg h <-1 > cm <-2 >, the Faraday efficiency reaches up to 97.75%, and excellent catalytic performance is shown.

The invention discloses application of a hierarchical pore nanoreactor catalyst in preparation of saturated cycloalkane, and belongs to the technical field of catalysts. The method comprises the following steps: uniformly dispersing ZIF-8 in a solvent, adding dopamine hydrochloride and amino acid, stirring at a certain temperature, and carrying out suction filtration and drying to obtain a dopamine-amino acid polymer modified ZIF-8 composite material; dispersing the composite material and a metal precursor in a solvent, uniformly stirring, and carrying out vacuum drying to remove the solvent; and carrying out segmented roasting in an inert atmosphere to obtain the required hierarchical pore nano-reactor catalyst. The catalyst is applied to preparation of saturated cycloalkanes by hydrogenation of polycyclic aromatic hydrocarbons, and specifically, a solvent, polycyclic aromatic hydrocarbons, the catalyst and hydrogen are mixed for a catalytic hydrogenation reaction. The hierarchical pore hollow structure of the catalyst can significantly promote diffusion and enrichment of polycyclic aromatic hydrocarbon molecules of different sizes, and rich pyridine nitrogen sites have strong adsorption and activation capabilities on polycyclic aromatic hydrocarbon and hydrogen molecules.

The utility model relates to the field of gas-liquid mixing, in particular to a gas-liquid nano-reactor, which solves the problem of low reaction efficiency of substances with slower gas-liquid reaction, utilizes a mixing cavity to generate a cavitation effect so as to enable gas and liquid to reach nanoscale, increases the gas-liquid contact area and increases the reaction efficiency, and mainly comprises a columnar reactor body, the reactor body is provided with a plurality of mixing cavities which are sequentially communicated along the axis direction; the mixing cavity is sequentially divided into a converging section and a diffusing section in the flow direction of fluid, the converging section is a first conical cavity with the inner diameter gradually reduced in the flow direction of the fluid, and a plurality of vortex-shaped flow guide grooves converging towards the center are formed in the inner wall of the converging section; the diffusion section is a second conical cavity with the inner diameter gradually enlarged in the flow direction of the fluid, and the second conical cavity is communicated with the first conical cavity.

The invention discloses a nanoreactor for enhancing immunotherapy as well as a preparation method and application of the nanoreactor. The nanoreactor LNP / GOx / TF / Mn has a core-shell structure, a liposome wrapping a PD-1 / PD-L1 small-molecule inhibitor is taken as a core, the surface of the liposome is modified with a metal-polyphenol network, glucose oxidase is embedded into the metal-polyphenol network, and a MnO2 shell layer is plated on the metal-polyphenol network. The nanoreactor can prolong the in-vivo circulation time of the liposome, the liposome is stabilized by a multi-layer structure, the outer-layer structure design is linked with one another, a cascade reaction is generated, and the purpose of chemodynamic therapy (CDT) / starvation therapy (ST) / immunotherapy (IT) synergistic treatment of tumors is achieved.

The invention discloses photocatalytic self-cleaning lubricating grease containing nano titanium dioxide and a preparation method of the photocatalytic self-cleaning lubricating grease, and belongs to the technical field of lubricating grease. The lubricating grease is prepared from the following raw materials in parts by weight: 70 to 85 parts of base oil, 8 to 15 parts of a thickening agent, 1 to 5 parts of modified nano TiO2, 0.5 to 1.5 parts of an antioxidant, 0.5 to 2 parts of an anti-wear reagent at extreme pressure, 0.5 to 1.5 parts of calcium sulfonate and 0.3 to 0.8 part of polyisobutene. Self-cleaning is realized through a photocatalytic nanoreactor, surface lipophilic modified anatase type nano TiO2 (loaded with an Ag cocatalyst) is stably dispersed in lubricating grease, strong oxidizing free radicals are generated through excitation under illumination, pollutants such as oil sludge and deposited carbon are decomposed into CO2, water and neutralizable small molecular acid in situ, and the oil sludge and the deposited carbon are recycled. Meanwhile, through compatibility of a catalytic decomposition resistant additive and a friction pair surface enrichment strategy, dynamic balance of lubricating performance is maintained, the synergistic effect of online pollutant degradation and long-acting lubrication is achieved, the service life of grease is prolonged, and oil sludge accumulation is reduced.

A system and method for characterizing a target analyte is provided. The system comprises a nanopore and a polymer chain, the polymer chain comprising a tethering site and a reaction segment, wherein the polymer chain is tethered through the tethering site such that the polymer chain cannot pass through the nanopore, and wherein the reaction segment comprises at least one sensing module that can interact with a single molecule of the target analyte.

The invention discloses a water-based super-hydrophobic finishing agent based on microemulsion in-situ synthesis as well as a preparation method and application of the water-based super-hydrophobic finishing agent. According to the method, octadecyl trichlorosilane, a surfactant and a cosurfactant firstly form an oil-phase mixture, then water is added to form an oil-in-water type microemulsion, finally standing and aging are performed, silane is subjected to in-situ hydrolysis in a microemulsion nanoreactor, and the water-based super-hydrophobic finishing agent is prepared through a one-step method. An organic solvent reaction medium is completely abandoned, and the process is simple and environment-friendly. The obtained finishing agent is uniform in particle and good in stability, can endow the polyester fiber fabric with a super-hydrophobic surface with a contact angle greater than 158 degrees and a rolling angle less than 4 degrees after being used for treating the polyester fiber fabric, is excellent in wear resistance and durability, and has a wide industrial application prospect.

The application provides a kind of liposome nano-reactor loaded separation microneedle and its preparation method and application, belong to the field of biological medicine.The application uses phospholipid, cholesterol, tetramethoxysilane and 3-aminopropyl triethoxysilane as raw material, encapsulates cisplatin, 5-aminoacetylpropionic acid and catalase, and prepares liposome nano-reactor;With polyvinylpyrrolidone, citric acid, sodium bicarbonate and regenerated silk fibroin as raw material, the liposome nano-reactor is dispersed in microneedle body by pouring method, and a kind of microneedle that can be quickly separated is successfully prepared.The experimental research of the application proves that the separation microneedle has good biocompatibility and mechanical property, can effectively break through the stratum corneum, realize the efficient transdermal delivery of liposome nano-reactor.The liposome nano-reactor can be locally planted in deep tissue of tumor, continuously supply oxygen through enzymatic reaction, effectively improve the oxygen supply shortage of tumor photodynamic therapy, and has obvious advantages and broad prospects in the application of skin tumor photodynamic therapy.

A hybrid catalytic nanoreactor having selectivity and stability in presence of air is provided for reduction reactions including semi-hydrogenations comprising of light harvesting dendritic plasmonic colloidosomes (DPC) of gold preferably as black gold and co-acting synergistically active catalytic sites of Pt-doped Ru bimetallic nanoparticles for desired significantly special selectivity and air-stability as a plasmonic reduction catalyst favoring plasmon-mediated simultaneous reduction and oxidation of metal active sites for facilitating reduction reactions including semi-hydrogenation activity. Said black gold / RuPt catalyst showcases good efficiency in acetylene semi-hydrogenation, attaining over 90% selectivity with ethene production rate of 320 mmol g−1 h−1 with its stability evident from 100 h of operation with continuous air flow, attributed to the synergy of co-existing metal oxide and metal phases. The catalyst's stability is further enhanced by plasmon-mediated concurrent reduction and oxidation of the active sites, facilitating its end use and applications in chemical industries, petrochemical industries, and applications catalysis.

The invention discloses a honeycomb SiO2 nanoreactor as well as a preparation method and application thereof. The preparation method comprises the steps that metal ions are highly dispersed in micelles through the coordination complexing capacity of a surfactant, the metal ions are wrapped in SiO2 through the hydrolysis and polymerization effects of tetraethyl orthosilicate, and growth of metal particles can be effectively inhibited; the honeycomb SiO2 nanoreactor with high specific surface area and large aperture is formed through roasting, the nanoreactor comprises highly dispersed small-size metal particles, and the obtained honeycomb SiO2 nanoreactor can eliminate the influence of mass transfer in a catalytic reaction on a core-shell catalyst; effective collision between active components of the catalyst and reactants can be remarkably increased through a confinement effect, so that the catalytic reaction is accelerated; the catalyst disclosed by the invention is simple in preparation process, has the advantages of uniformity, good thermal stability and high repeatability, is easy to realize automatic production, and is suitable for large-scale popularization.

The invention discloses a cavity confinement carbon-based iron monatomic catalytic material as well as a preparation method and application thereof. According to the material, a soft and hard template cooperation strategy is adopted, a hollow mesoporous carbon sphere is used as a carrier to anchor atomic-scale dispersion iron sites, and a nanoreactor with a cavity confinement structure is constructed. Compared with a traditional material, the activation efficiency of the material on peroxymonosulfate (PMS) is improved by about 2.9 times, the degradation performance on phenolic pollutants is remarkably enhanced, and the strengthening effect of a confinement structure on mass transfer and reaction kinetics is verified. Through metal-carrier cooperative regulation and control, singlet oxygen (O) is preferentially generated through the reaction, selective oxidation of organic pollutants is achieved through a non-free-radical path, and the anti-interference capacity in complex water is improved. The method is simple in process and relatively low in cost, and the obtained solid catalyst is easy to separate and recover, is suitable for efficient deep treatment of refractory organic pollutants in rural domestic sewage and industrial wastewater, and has a good application prospect.

A method of forming a nanoparticle can include admixing an aqueous solution into an oil-phase to thereby form an emulsion of droplets of the aqueous solution in the oil phase, the aqueous solution comprising a nanostructure precursor and a polymer, adding a silane precursor and catalyst to form a silica shell around each of the droplets to nanoreactors; annealing at a first temperature below the decomposition temperature of the polymer to aggregate the nanostructure precursor within the nanoreactor; and annealing at a second temperature above the decomposition temperature of the polymer to convert the aggregated nanostructure precursor to the nanostructure and decompose the polymer.

A method of forming a halide perovskite nanocrystal array having a plurality of halide perovskite nanocrystals arranged in a pattern can include coating an array of pens with a first ink comprising at least one first perovskite precursor having the formula AX and at least one second perovskite precursor having the formula BX′2 dissolved in a solvent. A is a cation, B is a metal, and X and X′ are each a halogen. The method further includes contacting a substrate with the coated pen array to thereby deposit the first ink indias a pattern of printed indicia on the substrate. The printed indicia form nanoreactors on the substrate and a halide perovskite nanocrystal nucleates and grows within each nanoreactor to form the halide perovskite nanocrystal array.

The present disclosure provides a copper-magnesium co-doped carbonized wood sponge material, a preparation therefor, and an application thereof, and a method for converting plastics into fuel based on a Fenton-like system. In the present disclosure, a copper-magnesium co-doped carbonized wood sponge catalyst is prepared by high-temperature pyrolysis after a wood raw material is coated with polydopamine (PDA) and a copper element and a magnesium element are loaded on a wood sponge substrate, realizing the loading of a nanoreactor on a wood sponge layered structure, and forming a unique spatial microenvironment and synergistic effect by combining a superior three-dimensional lamellar structure of the wood sponge substrate with the structural advantages of the nanoreactor to promote an electron transfer pathway on a surface.

The invention provides a phosphate positive electrode material, a preparation method thereof, a positive electrode plate and a lithium ion battery. The preparation method comprises the following steps: sequentially performing first drying and first sintering on first slurry containing a first lithium source, an iron source, a manganese source, a phosphorus source and a first carbon source to obtain a first precursor; second slurry containing a second lithium source, a second carbon source and the first precursor is sequentially subjected to second drying and second sintering, and a second precursor is obtained; dispersing the second precursor in an organic solvent to obtain a third precursor; and performing third drying and third sintering on third slurry containing a third lithium source, the microemulsion and a third precursor in sequence to obtain the phosphate positive electrode material. According to the method, the technical effect of remarkably improving the electrochemical performance and the energy density of the lithium manganese iron phosphate material is achieved by regulating and controlling the adding time of the lithium source and using the microemulsion dispersion system as the nano reactor.

The invention belongs to the technical field of nano material preparation, discloses a zero-dimensional perovskite nanocrystalline large-scale preparation method based on a room-temperature self-assembly strategy, and aims to solve the technical problems that in the prior art, the uniformity of a product is poor, high luminous efficiency and conductivity are difficult to achieve at the same time, and the wavelength cannot be accurately regulated and controlled. According to the method, a water-in-oil microemulsion system is adopted as a nanoreactor, and the high uniformity of nanocrystal growth is fundamentally guaranteed through a confinement reaction. The composition creatively comprises two ligands: one ligand is a pi-conjugated conductive main functional ligand with surface passivation and charge transfer functions, which solves the problem of poor conductivity caused by the traditional insulating ligand while ensuring high photoluminescence efficiency, and the other ligand is a competitive tuning ligand which forms dynamic competitive balance with the main ligand. The key problems of product uniformity, conductivity, wavelength controllability and the like are synergistically solved, and the prepared nanocrystal has high optical purity, high quantum yield and excellent conductivity.

The invention discloses a mesoporous hollow SiO2 nanoreactor as well as a preparation method and application thereof. The preparation method comprises the following steps: combining a cationic cluster with a hollow structure, which is formed by coordination and complexation of polyethyleneimine and metal ions, with a surfactant to form a micelle as a template, hydrolyzing tetraethyl orthosilicate to form silicified nano SiO2 spheres, and limiting the metal ions in a cavity, so as to obtain the nano SiO2 nanospheres. And roasting at high temperature to obtain the SiO2 nano reactor with the hollow mesoporous structure. When the hollow structure is used as a catalyst, the influence of mass transfer on catalytic reaction is eliminated, and meanwhile, the hollow structure can remarkably increase effective collision between active components of the catalyst and reactants through a confinement effect, so that the catalytic reaction is accelerated; the catalyst disclosed by the invention is simple in preparation process, has the advantages of uniformity, good thermal stability and high repeatability, is easy to realize automatic production, and is suitable for large-scale popularization.

The invention relates to the fields of rare earth metal ions, reversed-phase colloid dispersion systems, doped nanocrystals and the like, in particular to a method for realizing rare earth metal ion core-shell doped zinc cadmium sulfide nanocrystals. The preparation method comprises the following steps: mixing aminated poly N-isopropylacrylamide, matrix metal salt, an aqueous solution of first rare earth metal salt and a solvent, and performing ultrasonic crushing to form a water-based nano reactor containing a first rare earth ion doped precursor; the preparation method comprises the following steps: carrying out ultrasonic pulverization on a poly (N-isopropylacrylamide)-polyethylene glycol amino copolymer, a matrix metal salt, an aqueous solution of a second rare earth metal salt and a solvent to form a water-based nano reactor containing a second rare earth metal ion doped precursor; mixing the two nano reactors, and performing high-pressure homogenization and nanocrystallization to form colloid; and adding the colloid into a sulfide aqueous solution, and sintering to obtain the rare earth metal ion core-shell doped nanocrystal. The rare earth metal ion doped nanocrystalline prepared by the method is of a core-shell structure, the diameter is 10-20 nanometers, and the thickness is 2-5 nanometers.

This invention discloses a hollow nanocatalyst for hydrogen production from ammonia decomposition, wherein ruthenium accounts for 0.1-2% of the total mass of the catalyst. The unique hollow structure of the catalyst provided by this invention helps to improve the conversion rate of ammonia decomposition reaction at low temperatures. At the same time, the sandwich shell structure of the hollow nanoreactor catalyst has a confinement effect, which can prevent the noble metal Ru from agglomerating at high temperatures and extend the service life of the catalyst, thereby solving the technical problems of high energy consumption and high cost in current ammonia decomposition processes.

The application belongs to the technical field of homogeneous catalysis, and discloses application of a ten-core 3d-4f supramolecular nanocage material in catalyzing a three-component Strecker reaction. The ten-core 3d-4f supramolecular nanocage material is used as a nanoreactor to realize synthesis of a biologically active drug precursor through the three-component Strecker reaction. The method has simple operation steps and can realize industrialized preparation. The prepared ten-core 3d-4f supramolecular nanocage material has high catalytic activity, catalytic stability and catalytic efficiency in catalyzing the three-component Strecker reaction.

The present invention discloses a covalent organic framework material with a multi-level pore structure. The covalent organic framework material is prepared by constructing a dynamic combinatorial library. This covalent organic framework material has a multi-level pore structure composed of pores of three scales: micropores, mesopores, and macropores. It can serve as a carrier for metal-based catalysts such as zirconium or palladium, and can also function as a nanoreactor in the catalytic synthesis of polymer materials such as polyketones.

The application discloses a preparation method of a slag-based hollow microsphere nanoreactor, and specifically comprises the following steps: drying solid waste rich in iron and silicon, ball milling, screening, and then placing the solid waste in 0.5-3 mol / L acid liquor, and leaching at 20-120 DEG C, to obtain iron-containing filtrate and solid through solid-liquid separation; after washing the solid to neutral, the solid is added into 0.5-3 mol / L alkali liquor, and then treated at 50-150 DEG C, to adjust the pH of the reactants to 7-11, and then aged, to obtain SiO2 microspheres through solid-liquid separation, washing and drying; the SiO2 microspheres are dispersed in an aqueous ammonia solution, then Cu 2+ containing solution, NH4Cl and the iron-containing filtrate are added and uniformly stirred, the mixture is aged at 100-200 DEG C, and then the slag-based hollow microsphere nanoreactor is obtained through solid-liquid separation, washing and drying; the catalyst can be used for removing aureomycin hydrochloride and methylene blue in wastewater in a Fenton system, and has good practical value and application prospect.

This invention discloses a mitochondrial micro / nanoreactor system, its preparation method, and its applications. The system comprises mitochondrial-trained apoptotic bodies and a piezoelectric short-fiber scaffold, which are covalently linked via a copper-free click chemical linker. The mitochondrial-trained apoptotic bodies are obtained by inducing apoptosis in macrophages overexpressing Miro1 protein and pretreated with hypoxia, and are rich in functional mitochondria. The piezoelectric short-fiber scaffold is obtained by electrospinning a composite of poly-L-lactic acid and collagen, and can convert external mechanical energy into electrical signals. This invention, through synergistic action, on the one hand, utilizes apoptotic bodies to target and deliver functional mitochondria, enhancing intercellular mitochondrial transfer; on the other hand, it utilizes the piezoelectric effect to generate endogenous electrical stimulation, activating the mitochondrial autophagy pathway, thereby bidirectionally regulating mitochondrial energy metabolism homeostasis in diabetic wounds and significantly promoting wound healing.

The invention provides an air purification material with a photocatalysis function and a preparation method thereof. The preparation method comprises the following steps: S1, preparing Ti (OH) 4 precipitate; s2, preparing a P-TiO2 sol; s3, a copper ion solution with the concentration being 0.02 mol / L and the volume being 8 mL is added into the P-TiO2 sol, meanwhile, 0.25-0.29 g of talcum powder and 0.32-0.35 g of silicon dioxide modified aluminum oxide are added, and catalyst sol is obtained; s4, pretreating kraft paper, and soaking the kraft paper in the catalyst sol obtained in S3 to obtain the air purification material. A layered structure of talcum powder provides two-dimensional plane support, a mesoporous network of silicon dioxide modified aluminum oxide forms a three-dimensional space, and the hierarchical structure limits copper ions in a nanoscale microenvironment to avoid agglomeration and inactivation; the silicon dioxide shell layer wraps the aluminum oxide nanoparticles to form a nano reactor, so that the copper ions are uniformly distributed in the sub-nanometer scale, and the copper ions are further prevented from being agglomerated and inactivated; the formaldehyde degradation efficiency of the copper ions is improved.

The application utilizes a method of liquid phase hydrolysis etching combined with adsorption and impregnation to prepare a Co3O4@Co3O4 / Fe3O4 yolk@eggshell structure nanoreactor, and the specific steps are as follows: 1) a certain amount of cobalt salt is dissolved in a certain volume of organic solvent, and a solvothermal reaction is carried out at 120-200 DEG C for 6-12 hours in a high-pressure reaction kettle; after cooling to room temperature, the precipitate is washed with anhydrous ethanol, and dried at 60-80 DEG C for standby; 2) a certain volume of deionized water is placed in a reaction container, heated to 80-95 DEG C in a water bath, a certain mass of the product obtained in step 1) is dispersed in the deionized water, hydrolysis etching is carried out for 1.5-3 hours, then iron source adsorption and impregnation are carried out for 0.5-1.5 hours, after cooling to room temperature, the precipitate is washed and dried at 60-80 DEG C, and then calcination is carried out at 300-500 DEG C for 1-5 hours in an air atmosphere to obtain the final product. The Co3O4@Co3O4 / Fe3O4 yolk@eggshell structure nanoreactor obtained by the above technical scheme of the application can be used for hydrogen production and oxygen production catalysis, environmental pollutant degradation catalysis, petroleum cracking catalysis and other applications related to the field of limited space catalysis.

The invention discloses an NIR-IIb response type up-conversion nanometer material, a hydrogen production nanometer reactor prepared from the NIR-IIb response type up-conversion nanometer material and application of the NIR-IIb response type up-conversion nanometer material, and belongs to the technical field of nanometer biomedical materials. The controllable hydrogen production nanoreactor is obtained by using a bionic carrier formed by lipidosome, a photosensitizer, a catalyst and a proton donor which are jointly wrapped in the bionic carrier, and an up-conversion nanomaterial prepared by a chemical synthesis method, a hydrothermal method and the like, and can generate hydrogen under the stimulation of light with specific wavelength. According to the nano-reactor provided by the invention, a proton donor is efficiently catalyzed to generate hydrogen, on-demand and controllable release of hydrogen at a focus part is realized by utilizing high-tissue-penetrability NIR-IIb stimulation, and the nano-reactor provided by the invention can effectively remove active oxygen at the focus part and relieve oxidative stress by controllably releasing the generated hydrogen, so that pulmonary fibrosis is effectively relieved. The nanoreactor provided by the invention has the advantages of good biocompatibility, high hydrogen production efficiency, strong targeting property, small treatment side effect and the like, and has a wide market application prospect.

The invention discloses a nanoreactor for detecting extracellular vesicles and a preparation method thereof.The nanoreactor comprises lipidosome particles internally provided with containing spaces, a nucleic acid detection system wrapping the lipidosome particles and a protein detection system anchored to the outer surfaces of the lipidosome particles, and the nucleic acid detection system comprises a CRISPR / Cas fluorescence detection system; the protein detection system comprises a nucleic acid aptamer and a Block sequence of a target protein, the nucleic acid aptamer is provided with a fluorophore, and the Block sequence and the nucleic acid aptamer are complementary and are provided with a quenching group. The nanoreactor provided by the invention can be used for simultaneously detecting protein and nucleic acid carried by a single EV (Enhanced Virus).

The application provides a preparation method of a cholesterol-consuming nano reactor and application thereof, and belongs to the technical field of biological medicines. The preparation method comprises the following steps: adding a zinc acetate solution dropwise into a 2-methylimidazole solution to obtain a mixed solution; adding a cholesterol oxidase solution and a new indocyanine green solution dropwise into the mixed solution to perform a reaction, so as to obtain a reaction solution; centrifuging the reaction solution, washing the precipitate, and obtaining ZIF@COD / IR820 nanoparticles; adopting a membrane protein extraction method to obtain Hepa1-6 liver cancer cell membrane fragments and red blood cell membrane fragments; mixing the Hepa1-6 liver cancer cell membrane fragments, the red blood cell membrane fragments and the ZIF@COD / IR820 nanoparticles, and then placing the mixture in a liposome extruder to perform repeated extrusion for several times, so as to obtain HM / ZIF@COD / IR820. The nano reactor prepared by the method can intensify cholesterol consumption of tumor cells, promote tumor cell apoptosis, has excellent homologous targeting, and is beneficial to improving the treatment effect of liver cancer.

The application discloses an Au-Mo 0.1 W 0.9 O 2.72 Double plasmonic nanoreactor and a preparation method and application thereof, wherein Mo 0.1 W 0.9 O 2.72 is used as a carrier, and 2-10 wt% Au nanoparticles are loaded on the carrier. 0.1 W 0.9 O 2.72 The Au-Mo 0.1 W 0.9 O 2.72 double plasmonic nanoreactor uses Mo as a carrier, and Au nanoparticles are loaded on the surface of the carrier; the double plasmonic nanoreactor has good light response; a hot electron-rich surface under light excitation improves adsorption and activation of nitrogen and nitrogen reduction intermediates, and obviously improves the activity of photocatalytic nitrogen fixation.