38results about How to "Good encapsulation effect" patented technology

The invention discloses a low-temperature early-strength cement slurry system based on a cellulose-based composite phase change material, and belongs to the field of oil and gas field well cementation. The preparation method of the composite phase change material comprises the following steps: adding pretreated waste paper fibers, a cross-linking agent and a heat conduction material into an alkali / urea solution, and putting the mixture into an ultrasonic cleaning instrument to obtain a mixture A; transferring to a dialysis bag, and soaking in deionized water to obtain a mixture B; and performing in-situ mixing on the mixture C and organic phase change material molecules to obtain a mixture C, and performing vacuum freeze drying. The low-temperature early-strength cement slurry system is prepared from the following components in parts by weight: 100 parts of cement, 0.3-1 part of a composite phase change material, 5-25 parts of a density reducing material, 0.1-0.8 part of an early strength agent, 0.2-1 part of a dispersing agent, 0.2-2 parts of a fluid loss agent, 0.01-0.5 part of a defoaming agent and 44-58 parts of water. While cement hydration heat release is regulated and controlled, the early compressive strength of the cement can be improved, and the operation time efficiency and the construction safety are improved.

The invention relates to the technical field of lithium battery processing, in particular to a lithium battery packaging device. The technical problem to be solved is to provide a lithium battery packaging device capable of enabling the quality of a lithium battery to be better. The lithium battery packaging device comprises a support and fixing rods, and the fixing rods are connected to the left side and the right side of the upper portion of the support; the electric push rod is connected between the sides, close to each other, of the upper portions of the fixing rods. And the extrusion plate is connected to the lower side of a telescopic rod of the electric push rod. The sliding piece is matched with the sliding frame to clamp and limit the lithium battery and the cap, the cap is pushed towards the middle of the positive electrode of the lithium battery through the sliding piece, position deviation of the cap is prevented, the cap is pressed by a circle through the first roller, the cap is pressed more smoothly, one side of the cap is prevented from tilting, and the reliability of the cap is improved. And the packaging effect of the lithium battery is better, so that the quality of the lithium battery is better.

The invention belongs to the technical field of anti-cancer drugs, and particularly relates to a nano-drug, a preparation method and application thereof, and a chemotherapy-photodynamic combined diagnosis and treatment reagent. The nano-drug provided by the invention comprises a vitamin E polyethylene glycol succinate nano-micelle, and a lauric acid modified tetravalent platinum prodrug, a hydrophobic photosensitizer and an emulsifier which are coated in the vitamin E polyethylene glycol succinate nano-micelle. According to the invention, co-transportation of the cis-platinum prodrug and the photosensitizer can be realized; after the nano-drug provided by the invention is passively transported into tumor cells in a targeted manner through an EPR effect, the hydrophobic photosensitizer can increase the generation of singlet oxygen under the irradiation of red light and cooperates with a chemotherapy drug (tetravalent platinum) to act together, chemotherapy and photodynamic therapy are combined, drug resistance can be overcome, and a good treatment effect is achieved; in the treatment process, the dosage of chemotherapeutic drugs is remarkably reduced, and side effects are greatly reduced.

The application discloses a laser light source packaging method based on silicon nitride ceramics and relates to the technical field of laser light source packaging.The laser light source packaging method is composed of silicon nitride ceramics, a laser chip, silver powder resin glue, aluminum oxide, epoxy resin and N-methyl pyrrolidone raw materials.The light source packaging steps are as follows: firstly, the position of the center point of the laser in the laser cavity of the silicon nitride ceramics is measured by using a screw micrometer; the laser light source packaging method based on silicon nitride ceramics measures the position of the center point of the silicon nitride ceramic circuit plate by using a screw micrometer, marks the position by using silver powder resin glue, and stabilizes the light spot line by using laser light source projection technology, so that the laser pad plate of the silicon nitride ceramics is aligned and packaged with the envelope frame, the laser light cannot be offset, the quality of the laser light source packaging based on silicon nitride ceramics is high, the packaging effect is good, cost is saved, and the market use is widened.

The invention provides a display panel and a preparation method thereof and a display device.The display panel comprises a substrate, a light-emitting unit located on one side of the substrate, an isolation structure and a first packaging layer, the isolation structure is located on the side, away from the substrate, of the light-emitting unit, and multiple first openings are defined by the isolation structure; the isolation structure comprises a first end part and a second end part located on the side, away from the substrate, of the first end part, the orthographic projection of the second end part on the substrate covers the orthographic projection of the first end part on the substrate, and a concave part is configured on the side part of the end face, abutting against the second end part, of the first end part; the first packaging layer is located on the side, away from the substrate, of the light-emitting unit, and the first packaging layer covers the light-emitting unit and part of the isolation structure. The packaging distance of the first packaging layer on the side edge is increased by configuring the concave part, and particularly the length of the first packaging layer at the lap joint of the first end part and the second end part is increased, so that the packaging performance of the display panel is improved.

The invention relates to the field of battery manufacturing, and provides a packaging method, a sealing head and packaging equipment for packaging a soft package battery. The packaging equipment comprises two sealing heads, and the two sealing heads clamp the packaging layer of the soft package battery; according to the packaging method, the sealing head heating packaging layer is adopted to package a naked battery cell of the soft package battery, a temperature indicating layer is arranged in a visible area when the sealing head heating packaging layer is used, the temperature indicating layer is made of a reversible thermochromic material, the temperature of the sealing head is judged and the sealing head heating packaging layer is controlled by observing the color change of the temperature indicating layer, and the operation is simple, convenient, efficient and reliable.

The invention discloses a display panel and a display device. The display panel comprises a substrate, a first electrode and an isolation structure, the first electrode is arranged on one side of the substrate; the isolation structure is arranged on the side, away from the substrate, of the first electrode, an isolation opening is defined by the isolation structure, the orthographic projection of the isolation opening on the substrate and the orthographic projection of the first electrode on the substrate are at least partially overlapped, and the isolation structure comprises a first sub-layer and a second sub-layer located on the side, away from the substrate, of the first sub-layer; the orthographic projection of the first sub-layer on the substrate is located in the orthographic projection of the second sub-layer on the substrate; wherein the second sub-layer comprises a main body part and a lap joint part which are connected with each other, the main body part is arranged on one side, deviating from the substrate, of the first sub-layer, the lap joint part protrudes out of the first sub-layer relative to the main body part in the direction deviating from the isolation opening, and at least part of the boundary of the first orthographic projection of the first electrode on the substrate is located in the orthographic projection of the lap joint part on the substrate. The reliability and the use effect of the display panel can be improved.

The application discloses a liquid crystal emulsion containing alkyl glycoside sodium hydroxypropyl sulfonate and a preparation method thereof, and belongs to the technical field of daily-use chemicals.The raw materials of the liquid crystal emulsion include an alkyl glycoside sodium hydroxypropyl sulfonate solution and an oil phase; wherein the oil phase is selected from at least one of dodecanoic acid and hexadecanoic acid.The prepared liquid crystal emulsion containing alkyl glycoside sodium hydroxypropyl sulfonate is hexagonal liquid crystal, can realize the encapsulation and stabilization of various active material cosmetic raw materials, and has good pH and temperature applicability.Meanwhile, the liquid crystal can effectively inhibit the oxidative degradation of the active material.The preparation process of the liquid crystal is simple and easy to operate, and has low requirements on equipment.

The utility model discloses a top light-emitting panel structure packaged by hard board glass in the technical field of hard screen panels, which comprises a glass substrate, a glass cover plate, a grid circuit layer, a color filter film layer and a light resistance supporting layer, and a grid insulating layer, a source-drain insulating layer and a semiconductor conducting layer are attached to the top of the glass substrate. The color filter film can be prepared on the glass cover plate with the hard board characteristic, packaging can be carried out through the hard board packaging technology, meanwhile, the front light emitting rate is effectively improved through the color filter film and the micro lens on the top of the color filter film, and product power consumption is effectively reduced; by reasonably designing the distance between the color filter film layer and the OLED evaporation layer and the relation between the height of the glass powder glue and the height of the film layer between the glass, the color filter film layer can be prevented from being influenced by packaging and pressing pressure, and the problem of abnormal light emission caused by interference of the evaporation layer is avoided.

The present invention discloses a heat-sealing device for packaging equipment and the packaging equipment, comprising a heat-sealing shell and a driving member, wherein the heat-sealing shell comprises a first shell and a second shell, wherein the first shell and the second shell can be connected in an opening and closing manner, and a heat-sealing portion is arranged on the outside of the second shell; the driving member is arranged in the first shell; and a heat-conducting component is arranged in the first shell, wherein the heat-conducting component is connected to the driving member, and the heat-conducting component can approach the second shell under the driving of the driving member to heat the heat-sealing portion. The present invention solves the problems of uneven heat-sealing temperature, limited operating speed, poor temperature retention, and excessive temperature difference between different heat-sealed parts in the existing heat-sealing device for packaging equipment.

The electric heating device of the present invention includes a heating panel, a heating element, a heat insulation component, a fixing shell, a temperature measuring element, and a socket. The heating element is located on the lower side of the heating panel and has a power receiving part. The heat insulation component has a heat insulation cavity with an upper opening for covering the heating element. The fixing shell has a shell cavity with an upper opening for accommodating the heat insulation component, and the upper end of the fixing shell is connected to the heating panel by an adhesive material. The temperature measuring element is installed at the bottom of the heat insulation component. The socket is fixed to the side of the fixing shell and electrically connected to the power receiving part and the temperature measuring element respectively through a power supply wire and a detection wire. The power supply wire is arranged in a power supply groove, and the detection wire is arranged in a detection groove. The interface end of the socket faces the side of the fixing shell. By providing a socket on the fixing shell, external wiring can be quickly connected to the socket of the electric heating device through a plug during assembly. This assembly method is simple, quick, reliable, and interchangeable, achieving modular packaging and good overall product integrity.

The utility model relates to the technical field of chip packaging equipment, in particular to a miniature thermoelectric power generation chip packaging structure which comprises a base, a stand column and a cross beam, the stand column is vertically assembled on one side of the base, the cross beam is horizontally assembled on the top of the stand column, an XY-axis moving mechanism is arranged on the base, and a rotating mechanism is arranged on the XY-axis moving mechanism. The rotating mechanism is provided with a mold for placing a heat conducting plate, the XY-axis moving mechanism is used for driving the mold to horizontally move along an X axis or a Y axis, the rotating mechanism is used for driving the mold to horizontally rotate, a lifting mechanism is arranged at the bottom of the cross beam, an electric heating plate is arranged at the bottom of the lifting mechanism, and the lifting mechanism is used for driving the electric heating plate to be close to or away from the mold. And a heat dissipation mechanism is also arranged on the cross beam and / or the base. According to the packaging structure of the miniature thermoelectric power generation chip, less manual participation work is needed, the packaging effect on the miniature thermoelectric power generation chip is good, the packaging efficiency is high, and the product quality is indirectly improved.

The utility model relates to the technical field of foam boxes, in particular to box sealing equipment. According to the technical scheme, the device comprises a device body and further comprises a rack fixedly installed at the top of the device body, a sliding groove is formed in the position, located between the rack, of the top of the device body, a sliding block is slidably installed in the sliding groove, an installation plate is fixedly connected to the top of the sliding block, an operation box is fixedly installed on the installation plate, and a rotating shaft is rotatably installed at the top of the operation box; a placing disc is connected to the rotating shaft; the thermogravimetric shaping device is arranged at the top of the machine body, is positioned on one side of the rack and is used for flattening the uneven surface of the foam box; and the moving device is arranged in the sliding groove and used for adjusting and moving the foam box on the placing tray. By means of the foam box flattening device, the foam box with the uneven surface can be flattened, and the packaging effect of the foam box is better.

This application provides a method for manufacturing a display panel, a display panel, and a display device. The display panel includes: an array substrate; an isolation layer located on one side of the array substrate, including a first isolation structure and a second isolation structure; a light-emitting functional layer; a first encapsulation layer, the first encapsulation layer including a first portion located on the side of the light-emitting functional layer opposite to the array substrate and a second portion connected to the first portion and located on the side of the isolation structure opposite to the array substrate; a second encapsulation layer, the second encapsulation layer including a third portion and a fourth portion, the third portion located on a first surface of the first isolation structure, and the fourth portion located on a second surface of the second isolation structure. The third portion and the second portion at least partially overlap in a direction perpendicular to the plane of the array substrate, and a gap exists between the second portion and the third portion in the same direction. This improves the reliability of the encapsulation and enhances the performance of the display panel.

The application provides an interface automatic test case generation method, comprising the following steps: step 1, acquiring knowledge information from a rule configuration platform by calling an interface; step 2, acquiring quality control rules and switch configurations of each quality control dimension from the rule configuration platform-into effect configuration; step 3, acquiring knowledge information according to the configured request template information; step 4, performing rule mapping splicing, automatically generating interface test cases, adapting to an existing automatic test framework, and executing the generated automation. The application uses existing knowledge data of the rule configuration platform, stores existing data as variables through interface calling, replaces corresponding variable values in a preset case request template, generates test cases suitable for a mature Pytest+Requests test framework, greatly improves test efficiency, realizes full regression as much as possible, and finally realizes automatic tool delivery, which is used for on-site environment regression of customers.

This invention discloses a wafer-level packaging method for filters. A positive photoresist dry film is used to form vias and grooves through a double exposure and single development process. This is then bonded to a wafer, with the grooves corresponding to the functional areas of the chip to form cavities. Metal is then deposited into the vias to connect to the chip's wiring for circuit routing. Finally, the package is diced to form a single filter package structure. This invention uses a single-layer positive photoresist dry film for packaging, with the cavities formed within the single-layer dry film. This eliminates the delamination issues of wall and top layers, improving device reliability. It also simplifies the process, shortens the process cycle time, and eliminates the need for multi-layer materials, saving costs.

The utility model belongs to the field of photovoltaic technology. The utility model discloses a laminated body. The laminated body comprises an insulating layer, a high-temperature-resistant layer, a flame-retardant bonding layer and a barrier permeation layer, the high-temperature-resistant layers are arranged on the two sides of the insulating layer; the flame-retardant bonding layer is arranged between the high-temperature-resistant layer and the insulating layer; the blocking and transmitting layer is arranged on the side, away from the insulating layer, of the high-temperature-resistant layer, the transmittance of the blocking and transmitting layer to light with the wave band of 200-400 nm is smaller than or equal to 8%, and the transmittance of the blocking and transmitting layer to light with the wave band of 750-2500 nm is larger than or equal to 50%. The utility model also discloses a battery. The utility model also discloses a photovoltaic module. The laminated body disclosed by the utility model is good in high temperature resistance, high in ultraviolet rejection rate, good in fireproof and flame-retardant effects and relatively high in safety.

The invention provides an Anti-PD-L1 and Anti-HER2 double-antibody guide nano-drug system as well as a preparation method and application thereof, and belongs to the technical field of composite material preparation and biological medicine. Perovskite quantum dots with a wide photoluminescence spectrum are combined to the surface of accurately designed and prepared Gd-MOF to obtain a nano composite material, and then the nano composite material is used as a carrier to be covalently coupled with Anti-PD-L1 and Anti-HER2 antibodies and loaded with an anti-cancer drug to obtain a double-antibody guided nano drug system. The double-antibody guided nano-drug system provides a multi-mode imaging strategy for tumor diagnosis, exerts the treatment effect of combining multiple treatment methods in tumor combined treatment, and realizes the synergistic effect of chemical treatment, immunotherapy and photodynamic therapy; the invention can be applied to the development and clinical practice of tumor diagnosis technology and tumor treatment drugs.

The invention relates to the technical field of building materials, and discloses microcapsule aggregate and a preparation method and application thereof.The preparation method comprises the steps that alkali-resisting bacteria are induced to generate spores, the alkali-resisting bacteria containing the spores are subjected to microencapsulation treatment, and microcapsules are formed; mixing gypsum, slag powder, an alkali activator and water to form mixed slurry; and mixing and molding the microcapsules and the mixed slurry, and then performing crushing, vacuumizing and pressurizing treatment to form the microcapsule aggregate. The microcapsule aggregate obtained by microencapsulation of spore-containing alkali-resistant bacteria, addition of microcapsules into mixed slurry, molding, crushing, vacuumizing and pressurization treatment can better protect the alkali-resistant bacteria and improve the vitality of the spore-containing alkali-resistant bacteria, has the advantages of high bacteria loading capacity, high crack closing rate and reusability, and improves the mechanical properties of concrete. The compatibility with a concrete matrix is enhanced, and the cost is relatively low.

The invention discloses a method for quickly storing forage grass, which belongs to the field of agricultural machinery and comprises a compression roller circular knife hay cutter, a temporary storage pool, a huff and puff mixer truck, a loading vehicle and a zipper type sealing storage pool. The compression roller and circular knife hay cutter comprises a hay conveying chain plate, a hay pressing roller, a first-stage compression roller, comb plate teeth, a second-stage compression roller, a hay guide plate, a circular knife hay cutting device and a hay throwing roller, the huff and puff mixer truck comprises a horizontal support arranged on a tractor trailer, the mixing tank is provided with a sliding door assembly and a hay guide plate assembly, the outer end of the mixer is provided with a rake tooth disc, and the rake tooth disc is connected with the hay throwing roller. The zipper type storage pool is a rectangular pool wall, a PVC pipe and a rubber rope are arranged at the top end of the rectangular pool wall, forage grass cut by the compression roller circular knife hay cutter enters the temporary storage pool, the huff and puff mixer truck carries out loading, material adding, stirring and transferring, the loading truck carries out stacking and compacting in the storage pool, zipper type sealing is carried out after stacking is completed, and the forage grass is stored in the storage pool. The method is high in storage speed, high in efficiency, good in effect and wide in application prospect.

The present invention discloses an internal light extraction structure and a preparation method thereof, comprising: a substrate, a functional layer arranged on the substrate, the functional layer comprising a metal nanoparticle layer, a nanofiller layer, and a planarization layer composed of a polymer. The metal nanoparticle layer provided by the present invention has a certain ductility, and when water and oxygen invade, it absorbs water and oxygen and forms a pore structure, which not only improves the light extraction effect, increases the efficiency of the organic electroluminescent device, but also has a good packaging effect; and the presence of the nanofiller layer can prevent the further diffusion of water and oxygen, so that the internal light extraction structure not only has a high extraction efficiency, but also has a good water blocking and water absorption effect.

A molecular sieve gas circuit control device includes an end cover, a gas circuit body, and a control valve assembly. The end cover is provided with an air inlet connector connected to a high-pressure gas source. The end cover is sealed and connected to the gas circuit body. The control valve assembly is arranged in the gas circuit body. The gas circuit body is provided with an air inlet cavity and an exhaust cavity. The air inlet cavity is respectively connected to the air inlet connector and the molecular sieve tower, and the exhaust cavity is respectively connected to the exhaust hole and the molecular sieve tower. The control valve assembly controls the opening and closing of the air inlet cavity and the exhaust cavity. The molecular sieve gas circuit control device of the present invention utilizes the air inlet cavity and the exhaust cavity of the end cover and the gas circuit body to form two silencer cavities, eliminates the instability of the air flow, and effectively eliminates the noise of the air inlet and exhaust. At the same time, the gas circuit body is used to integrate various components into one, without the need for external connectors, effectively reducing the number of connectors, reducing the risk of air leakage, and simplifying maintenance. At the same time, the gas circuit structure has good packaging and compact structure.

The present invention relates to an automatic pasting machine for easy-tear stickers of OLED, comprising a loading tray and a unloading tray for placing OLED, the loading tray and the unloading tray are sequentially distributed along the left-right direction, and a pasting module is arranged between the loading tray and the unloading tray. By arranging the pasting module, the effect of automatic pasting of easy-tear stickers on the surface of OLED is achieved during the process of being transferred from the loading tray to the unloading tray, thereby greatly improving the efficiency and accuracy of pasting easy-tear stickers on the surface of OLED, avoiding the phenomenon of accidental peeling of easy-tear stickers due to workers' fingerprints adhering to the easy-tear stickers, and achieving a better packaging effect of OLED.

The utility model provides an anti-fingerprint touch screen cover plate, which relates to the technical field of touch screen cover plates, and comprises a toughened glass cover plate, one side of the toughened glass cover plate is provided with an anti-fingerprint layer, the other side of the toughened glass cover plate is provided with a sealing layer, and the surface of the toughened glass cover plate and one side of the sealing layer are provided with protective layers. According to the utility model, the anti-fingerprint layer is adhered to the surface of the toughened glass cover plate, the OCA film used by the anti-fingerprint layer is a thin film used for being attached to the OCA film attaching layer of the touch screen glass, and the anti-fingerprint coating agent is coated on the surface of the anti-fingerprint layer, so that the capability of the anti-fingerprint layer for preventing fingerprint residues is enhanced; the anti-fingerprint layer is used for protecting and shielding the tempered glass cover plate, and then the anti-fingerprint coating agent is used for strengthening the fingerprint residue prevention function of the anti-fingerprint layer, so that fingerprint residues in use are avoided, and the user experience is improved.

The utility model provides a quick-drying glue fast packaging device which comprises a shell, a connecting block, a main body machine and a conveying groove, the conveying groove is formed in the shell, the main body machine is fixedly installed on one side of the surface of the shell, the connecting block is arranged at the position, located on the side face of the main body machine, in the shell, and a conveying device is fixedly installed in the conveying groove. Compared with a traditional packaging machine, the device can quickly, stably and efficiently clean the opening part of the glue container during use, the situation that part of residual glue is solidified at the opening part of the container, and subsequent glue discharge and use are affected is prevented, the overall packaging effect of the packaging machine is more perfect, the overall working quality is improved, and the production efficiency is improved. And the containers can be stably conveyed, follow-up packaging is facilitated, the containers can be limited and arranged in the conveying process, one-by-one machining is facilitated, the equipment is more stable during use, and the stability of the equipment during operation is guaranteed.

The utility model relates to the field of subpackaging, and discloses a medicine subpackaging device which comprises a main medicine box and a sealing box cover arranged above the main medicine box, a hook connecting assembly is arranged on one side of the main medicine box, a box cover rotating assembly is arranged on the other side of the main medicine box, and a medicine packaging ball is arranged in the main medicine box; a plurality of spherical embedding grooves are formed in the main medicine box body, so that multiple parts of subpackaged medicine are loaded, and the containing capacity is large; the flexible gasket of the novel ball embedding groove can increase the friction force with the medicine packaging ball, so that the medicine packaging ball is more stable, and the medicine is better stored; according to the medicine packaging ball, the lower packaging hemisphere can be used for containing medicine, the arc-shaped surface of the lower packaging hemisphere is beneficial to cleaning, the outer convex thread of the upper packaging hemisphere and the inner concave thread of the lower packaging hemisphere can be spirally fixed to package the medicine, opening and closing are easy, and the medicine packaging effect is good. And the latex pad in the upper packaging hemisphere extrudes the medicine under the elastic force of the spring, so that the medicine is placed more firmly.

The invention discloses preparation and application of microspheres completely loaded with palmitoyl blue copper peptide, belongs to the field of polypeptide preparations, and particularly relates to microspheres loaded with palmitoyl blue copper peptide. The preparation method comprises the following steps: preparing a water-phase solution by taking polyvinyl alcohol as a water-soluble polymer, preparing an oil-phase solution by taking a polycaprolactone-based polymer as an oil-soluble polymer, preparing a sample solution from palmitoyl blue copper peptide and absolute ethyl alcohol, and then preparing the palmitoyl blue copper peptide loaded microspheres from the water-phase solution, the oil-phase solution and the sample solution together. Wherein the polycaprolactone-based polymer is polycaprolactone and block polycaprolactone, the block polycaprolactone is obtained through a reaction of a polyhydroxy compound and anhydrous cyclocaprolactone, the polyhydroxy compound is prepared through a reaction of 2, 2-dihydroxypropionic acid and ethylene glycol bis (hydroxymethyl) ether, and under the common use of the polycaprolactone and the block polycaprolactone with specific usage amounts, the polycaprolactone-based polymer can be used for preparing the high-molecular polymer. The palmitoyl blue copper peptide loaded microspheres prepared by the invention have a better slow-release effect and an effect of increasing the melanin content.

The present invention belongs to the technical field of food preservation, and specifically relates to a preparation method of a nanofiber cling film, a product obtained and an application thereof. The nanofiber cling film provided by the present invention is prepared from beet pectin solution and curcumin alcohol solution containing hesperidin by an anti-solvent method into a nanoparticle solution, and then a spinning aid is added to the nanoparticle solution to prepare a nanofiber film by electrostatic spinning technology. The nanofiber cling film prepared by the present invention has the advantages of high stability and significant antibacterial effect. The present invention applies the nanofiber cling film as a cling film to the preservation of crispy meat grass carp, which can effectively maintain the hardness, cohesion, adhesion, chewiness, resilience and elasticity of the crispy meat grass carp, maintain the unique taste of the crispy meat grass carp, and can also effectively extend the shelf life of the crispy meat grass carp, which is a more ideal crispy meat grass carp cling film.

The invention relates to the technical field of pesticide preparations, and discloses preparation of a modified polylactic acid drug-loaded material and application of the modified polylactic acid drug-loaded material in the pesticide preparations, chlorpyrifos is used as a core material, the modified polylactic acid drug-loaded material is used as a wall material, and the chlorpyrifos-modified polylactic acid material is prepared. Mesoporous silicon and graphene oxide are utilized to improve the mechanical property of the material and the adsorption effect on a pesticide preparation, polylactic acid is grafted on the surface of lignin to improve the crosslinking degree, the mechanical property and the encapsulation effect of the drug-loaded material are further improved, the two components act together to achieve a good synergistic effect, all the raw materials are biodegradable materials, and the environment-friendly pesticide-loaded material is environmentally friendly. After use, secondary pollution to the environment is avoided, and great significance on development of efficient, environment-friendly and green agriculture is achieved. The modified polylactic acid drug-loaded material prepared by the invention has the advantages of being relatively good in environmental protection, and has relatively good encapsulation efficiency and comprehensive slow-release effect on a pesticide preparation.

The invention relates to preparation of Chinese yam protein as a hydrophobic drug carrier and application of the Chinese yam protein to improvement of renal injury. The Chinese yam protein is dispersed in deionized water, hydration is performed overnight, glutamine transaminase and galactose are added, enzyme deactivation is performed after water bath, the mixture is cooled to the room temperature, centrifugation is performed, supernate is taken and dialyzed at the temperature of 4 DEG C, and freeze-drying is performed to obtain GL-YP powder; dissolving the GL-YP powder, hydrating overnight, and regulating the pH value to 11.0 by using 1M NaOH; dissolving curcumin in absolute ethyl alcohol, dropwise adding a curcumin stock solution into the GL-YP solution, and stirring; and adjusting the pH value to 7.0 by using 1M HCL, centrifuging the prepared suspension, taking the supernatant, and freeze-drying to obtain the GLYP-Cur-NPs nanoparticles. The GL-YP can be used as an effective curcumin encapsulation carrier and has good encapsulation effect and drug loading capacity, and the problem of water solubility of curcumin as a hydrophobic drug is solved; the GLYP-Cur-NPs has a protective effect in a cis-platinum induced HEK293 cell oxidative damage model, can reduce the inflammation level, has treatment potential for renal injury, and is used for preparing the medicine for treating renal injury.