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103results about How to "Prolong the action time" patented technology

Complex enzyme preparation for improving absorption and utilization rate of fertilizer and preparation method of complex enzyme preparation

The invention discloses a compound enzyme preparation for improving the absorption and utilization rate of a fertilizer and a preparation method thereof, and belongs to the technical field of enzyme preparations. The compound enzyme preparation is prepared from the following components in parts by weight: 100 parts of purified water, 6 to 8 parts of modified cellulase, 10 to 12 parts of immobilized protease, 10 to 12 parts of phosphatase, 10 to 14 parts of urease, 8 to 10 parts of nitrate reductase, 10 to 12 parts of pectinase, 8 to 10 parts of chitinase, 6 to 8 parts of xylanase, 10 to 12 parts of beta-glucosidase, 10 to 12 parts of superoxide dismutase and 4.5 to 6 parts of a microbial agent, the modified cellulase is obtained by chemically modifying cellulase; the immobilized protease is prepared by the following steps: adsorbing activated and coupled modified polylactic acid and a protease solution, crosslinking with glutaraldehyde, filtering, washing and drying. The compound enzyme preparation improves the fertilizer absorption and utilization rate of plants.
Owner:SHANGHAI ZIXING BIOTECHNOLOGY CO LTD

Mussel mucin-hyaluronic acid nanogel as well as preparation method, application and pharmaceutical composition thereof

The invention relates to mussel mucin-hyaluronic acid nanogel and a preparation method and application thereof and a pharmaceutical composition, and belongs to the field of biomedical materials, the structural formula of the mussel mucin-hyaluronic acid nanogel is # imgabs0 #, Mussel mucin is a mussel mucin molecule, and n is the number of repetitive units. The mussel mucin-hyaluronic acid nanogel can be swelled in a water-based medium to form a three-dimensional space net-shaped structure, pharmaceutical active molecules are better entrapped, lysine and dopa groups in the structure can be tightly combined with the surface or mucous membrane of an organism through electrostatic interaction, hydrogen-bond interaction and oxidative crosslinking, so that the bioavailability of the mussel mucin-hyaluronic acid nanogel is improved, and the bioavailability of the mussel mucin-hyaluronic acid nanogel is improved. The carrier has good biological adhesion, can prolong the residence time of the carrier on an organism or mucous membrane surface, and promotes drug absorption. The mussel mucin-hyaluronic acid nanogel can also be used as a drug storage cavern, so that the slow release effect of drugs is improved, the action time of the drugs is prolonged, and the administration frequency is reduced.
Owner:LUOYANG NORMAL UNIV

Microcapsule as well as preparation method and application thereof

The invention discloses a microcapsule as well as a preparation method and application thereof. The microcapsule comprises a capsule core and a capsule wall, the capsule core is wrapped in the capsule wall, the capsule core contains an active component, the elastic modulus of the microcapsule and the thickness of the capsule wall meet the following formula: Y = 0.42 X < 2 >-0.92 X + T, Y is the elastic modulus of the microcapsule, and the unit is GPa; x is the thickness of the capsule wall, and the unit is [mu] m; t is 1 + / -0.1; the elastic modulus of the microcapsule is obtained by testing the mechanical property of the microcapsule by adopting a nanoindentor, and the thickness of the capsule wall is obtained by testing the frozen section of the microcapsule by adopting a scanning electron microscope. The microcapsule provided by the invention is suitable for pavement asphalt, and can effectively improve the self-repairing efficiency of a pavement asphalt material; in addition, in the asphalt construction process, the emission of asphalt smoke can be effectively reduced, and the pollution to the environment is reduced.
Owner:CHINA PETROLEUM & CHEMICAL CORP +1

Podophyllotoxin triazole ether derivative as well as preparation method and application thereof

The invention discloses a podophyllotoxin triazole ether derivative as well as a preparation method and application thereof, belongs to the technical field of chemical pharmacy, and particularly relates to a podophyllotoxin triazole derivative and application of the podophyllotoxin triazole ether derivative in preparation of antitumor drugs. A series of novel 1, 2, 3-triazole podophyllotoxin derivatives are designed and synthesized by combining a triazole structure with a podophyllotoxin matrix through click chemistry reaction, the dynamic characteristics of podophyllotoxin are optimized by introducing the triazole structure, and the anti-cancer effect and druggability of podophyllotoxin are improved. Molecular docking shows that the series of compounds have relatively strong binding energy to AKT1 and tubulin and can inhibit tubulin / AKT1 in a targeted manner, and in-vitro anti-tumor activity research shows that the molecules have very strong inhibitory activity to proliferation of human colon cancer cell strains, and a new strategy can be provided for structural derivatization of podophyllotoxin. # imgabs0 #
Owner:CHANGZHOU UNIV

Citronella lemongrass essential oil microcapsule, preparation method thereof, bacteriostatic agent and application

The invention belongs to the technical field of bacteriostatic agents, and particularly relates to lemongrass essential oil microcapsules, a preparation method thereof, a bacteriostatic agent and application. The preparation method comprises the following steps: by taking lemongrass essential oil as a core material and Arabic gum and beta-cyclodextrin as wall materials, mixing the lemongrass essential oil, the Arabic gum and the beta-cyclodextrin, and preparing the lemongrass essential oil micro-capsule by adopting a spray drying method; the mass ratio of the Arabic gum to the beta-cyclodextrin is (0.5-2): 1, and the mass ratio of the total amount of the Arabic gum and the beta-cyclodextrin to the lemongrass essential oil is (4-6): 1. And then mixing the lemongrass essential oil microcapsules with starch and ethanol, granulating and drying to obtain the antibacterial patch. The lemongrass essential oil microcapsule disclosed by the invention is stable in quality, the action time of the lemongrass essential oil is prolonged, the purpose of long-acting bacteriostasis is achieved, and the technical defect of short action time of a lemongrass essential oil antibacterial agent in the prior art is overcome.
Owner:XINYANG AGRI & FORESTRY UNIV

Compound disease and pest control agent based on plant extract as core and preparation method of compound disease and pest control agent

The invention relates to the field of agricultural pest control, and discloses a composite pest control agent based on a plant extract as a core. Comprising 15%-25% of honeysuckle extract, 10%-20% of podophyllum hexandrum extract, 15%-25% of camellia peel extract, 10%-20% of wikstroemia indica extract, 10%-20% of senecio scandens extract, 10%-20% of lycoris radiate extract, 1%-3% of a synergist, 5%-10% of an emulsifier and a solvent. According to the invention, a plurality of plant extracts are fused, and effective prevention and control of a plurality of fungi, bacterial diseases and pests are realized through accurate optimization of the ratio. Compared with a current technology which only adopts a single plant extract, the method has the advantages that the comprehensive prevention and treatment efficiency is remarkably improved, the problems of limited prevention and treatment range and poor multi-pest control effect are successfully solved, and the blank in the research and application field of the compound plant extract prevention and treatment agent is filled.
Owner:YUNNAN YUNRUNHE BIOTECHNOLOGY DEVELOPMENT CO LTD

Modified oxygen-releasing nano peroxide for degrading organic pollutants, composite oxygen-releasing material, preparation method and application

The invention provides a modified oxygen-releasing nano peroxide for degrading organic pollutants, a composite oxygen-releasing material, a preparation method and an application. The modified oxygen-releasing nano peroxide comprises an oxygen-releasing nano peroxide, a pH regulator, a polyvinyl alcohol-poly (N-isopropylacrylamide) membrane layer and a cross-linked chitosan membrane layer, the polyvinyl alcohol-poly (N-isopropylacrylamide) membrane layer wraps the oxygen-releasing nano peroxide and the pH regulator, and the cross-linked chitosan membrane layer wraps the oxygen-releasing nano peroxide and the pH regulator. The polyvinyl alcohol-poly (N-isopropylacrylamide) film layer is coated with the cross-linked chitosan film layer. The modified oxygen-releasing nano peroxide is high in purity and good in dispersity, the content of dissolved oxygen in a water body can be kept stable for a long time, and the influence on the pH value of the environment is small.
Owner:BCEG ENVIRONMENTAL REMEDIATION CO LTD

Preparation method of tooth whitening patch and tooth whitening patch

The invention discloses a preparation method of a tooth whitening patch and the tooth whitening patch, and relates to the technical field of tooth whitening patches. The preparation method comprises the following steps: mixing pullulan, polyglutamic acid, calcium phosphosilicate, hyaluronic acid, glycerol, phthalimide peroxyacetic acid, water, essence and sweetening agent to form a gel layer; coating the gel layer on the backing layer; after the back lining layer is coated with the gel layer, the gel layer is covered with the thin film layer through a coating machine for film covering treatment, disinfection is conducted after film covering treatment is completed, and the tooth whitening strip is obtained and rolled; and a die-cutting machine is used for rolling the tooth whitening sticker for die cutting, and the tooth whitening sticker is obtained. The gel layer of the tooth whitening patch adopts the Pulullan and the polyglutamic acid as a film forming main body, so that the tooth patch can be attached to teeth more tightly, whitening factors in the tooth patch can be quickly transferred to the teeth, the action time of the whitening factors is prolonged, and the tooth whitening effect is enhanced.
Owner:JIANGXI IVISMILE TECH CO LTD

Slow-release bacterial fertilizer, preparation method and application

The invention discloses a slow-release bacterial fertilizer as well as a preparation method and application thereof, and relates to the technical field of biotechnology. Comprising the following steps: step 1, preparing a bacterial liquid of bacillus cereus, a bacterial liquid of lysinibacillus slender, a bacterial liquid of acinetobacter schiffei, a bacterial liquid of stenotrophomonas maltophilia, a bacterial liquid of sphingobacterium alcohovorans and a bacterial liquid of bacillus licheniformis into a mixed bacterial suspension according to a volume ratio of 1: (1-2): (1-2): (1-2): (1-2): (1-2); 2, mixing the mixed bacterium suspension with an embedding agent and a cross-linking agent to obtain a first mixed colloid; step 3, embedding the first mixed colloid into the second mixed layer to obtain first compound fertilizer particles; and step 4, embedding the first compound fertilizer particles into a fermented third mixed layer to obtain the slow-release bacterial fertilizer. The prepared slow-release bacterial fertilizer improves the remediation effect of organic phosphorus contaminated soil. The soil fertility is improved, and a good growth promoting effect on plants is achieved.
Owner:ANQING NORMAL UNIV

A kind of biological organic fertilizer and its production method and application

ActiveCN119350097BImprove fertilization effectIncrease contentBio-organic fraction processingExcrement fertilisers
The present invention provides a kind of biological organic fertilizer and its production method and application, belongs to the field of biological organic fertilizer technology, and the production method of the biological organic fertilizer comprises the following steps: S1, by weight, 0.8-1 parts of seaweed crushed material, 7.5-8 parts of straw and 1-1.3 parts of human and animal feces are mixed to obtain a basic material; S2, a composite bacterial agent is added to the basic material obtained by S1, the mass of the composite bacterial agent is 0.2-0.3% of the mass of the basic material, mixed, uniformly ventilated, composted for 25-28d, and a biological organic fertilizer is obtained; the composite bacterial agent includes Bacillus licheniformis, nitrogen-fixing bacteria and micro-rhizomucor. The present invention ensures that the fertilizer release rate of the obtained fertilizer is fast and the action time is long, and the growth needs of short-growth cycle vegetables and long-growth cycle vegetables can be better taken into account.
Owner:ZHAOYUAN SANYOU BIOLOGICAL ORGANIC FERTILIZER CO LTD

Foaming agent containing minoxidil and finasteride and preparation method thereof

According to the foaming agent containing minoxidil and finasteride provided by the invention, micronization of raw material medicines and complicated preparation procedures such as homogenization are not needed in the preparation process, liquid medicine liquid is directly prepared and then is filled, and a propellant is added to prepare the foaming agent, so that the foaming agent has the advantages of few impurities, uniform medicine liquid and high stability; the invention has the advantages of strong foam adhesiveness, prolonged action time of the medicament on the scalp, uniform and non-greasy application, quick defoaming to enhance the curative effect, strong permeability, effective penetration of the medicament into the skin or mucous membrane to improve the bioavailability of the medicament, and the like. The preparation method is simple and easy to operate, time and cost can be greatly saved, meanwhile, the dosage form of the foaming agent has the advantages of being easy to smear, few in residue, capable of being smeared in a large area and the like, patient compliance is improved, use is convenient, the two active ingredients with different action mechanisms are in synergistic interaction, and the clinical effect is improved.
Owner:NANJING HEALTHNICE MEDICAL TECH +3

Nicotine hard candy and manufacturing method thereof

The invention discloses a nicotine hard candy and a manufacturing method thereof. The nicotine hard candy comprises the following raw materials in parts by mass: 1-9 parts of a nicotine active material; 1-2 parts of a green tea extract; 1 to 2 parts of microencapsulated capsaicin; 5-15 parts of a first sweetening agent; and 60-80 parts of a carrier material. The nicotine hard candy can effectively inhibit appetite and control body weight.
Owner:HG INNOVATION LTD

Application of CSF1-CD47 in the preparation of early transplantation immune rejection inhibitors

The present invention discloses the use of CSF1-CD47 in the preparation of an early transplantation immune rejection inhibitor. The inventors have found that CSF1 / CD47 NVs can specifically bind to the corresponding ligands CSF1R and SIRPα expressed by macrophages, and on the one hand, promote bone marrow-derived monocytes to Ly6G by enhancing the CSF1 / CSF1R signaling pathway. ‑ Ly6C ‑ On the other hand, it inhibits macrophage differentiation by inhibiting macrophage phagocytosis of nanovesicles by enhancing the CD47 / SIRPα signaling pathway, prolonging the action time of CSF1, and also inhibiting the phagocytosis and antigen presentation of mononuclear macrophages to transplant antigens. In the in vivo mouse heart transplant model, CSF1 / CD47 NVs also showed more significant effects than single-target NVs in alleviating immune rejection and prolonging the survival curve of transplanted hearts. The combined use of CSF1 / CD47 can effectively alleviate early immune rejection of transplantation and improve the success rate of organ transplantation.
Owner:SUN YAT SEN UNIVERSITY SHENZHEN +1

A lactation enhancing functional feed for lactating sows containing a high efficiency plant lactogenic factor

The present application relates to the technical field of feed additive, and discloses a lactation-promoting functional feed for lactating sows containing high-efficiency plant lactogenic factors, which is made of the following raw materials: sodium-based montmorillonite, fenugreek extract, motherwort extract, ion intensity regulator, lysophosphatidylcholine, tributyl citrate and high-purity silicon dioxide, and is prepared through the following steps: mixing and drying sodium-based montmorillonite with the ion intensity regulator to prepare a regulation carrier; adding fenugreek and motherwort extract and mixing them by strong shearing to form an active core; atomizing and spraying a mixture of lysophosphatidylcholine and tributyl citrate on the surface of the core to form a functional layer; and finally adding high-purity silicon dioxide and mixing uniformly to obtain the feed. Through the construction of the structure with ion-pretreated montmorillonite as the core and the functional layer as the shell, the present application realizes the protection, sustained release and efficient absorption of the active ingredients, and improves the bioavailability.
Owner:YUNNAN MEIXIN AGRICULTURE & ANIMAL HUSBANDRY TECHNOLOGY CO LTD

A cultivation method for improving yield and quality of auricularia auricula by using hydrogen-rich water

A cultivation method for improving the quality and yield of black fungus using hydrogen-rich water involves spraying a hydrogen-rich water composition three times during mycelial culture, spraying it every two days during primordium differentiation, and spraying it daily during fruiting body enlargement. The hydrogen-rich water composition comprises hydrogen-rich water, xylose, humic acid, gelatin, hydroxypropyl cellulose, and deionized water. This invention effectively solves the problems of poor hydrogen concentration stability and hydrogen volatilization in hydrogen-rich water by adding functional components such as gelatin, hydroxypropyl cellulose, xylose, and humic acid to the hydrogen-rich water, thus extending the time of hydrogen concentration stability and its effect. By using the above-mentioned hydrogen-rich water composition during the mycelial growth and primordium differentiation stages of black fungus, the microenvironment for black fungus growth is comprehensively optimized, resulting in increased yield, improved quality, and enhanced marketability. This provides an effective way to cultivate superior black fungus varieties.
Owner:JILIN MAOXI AGRI TECH CO LTD

Stable and efficient ketoconazole phospholipid complex cream and preparation method thereof

The invention relates to the technical field of medicines, in particular to stable and efficient ketoconazole phospholipid complex cream and a preparation method thereof. The ketoconazole phospholipid complex emulsifiable paste is prepared from ketoconazole, phospholipid, an oily matrix, a water-based matrix and optional auxiliary materials such as an emulsifying agent and an antioxidant. The ketoconazole and phospholipid complex is prepared from ketoconazole and phospholipid under a certain condition, the physical and chemical stability of ketoconazole is improved, and the phospholipid complex has a selective effect on skin and a penetration promoting effect on drugs, so that the curative effect of the drugs is improved. According to the invention, ketoconazole is prepared into the phospholipid complex and then prepared into the cream, so that the stability and curative effect of the ketoconazole cream can be improved at the same time, and the clinical use defects caused by poor physical and chemical stability and poor stratum corneum permeability of ketoconazole are fundamentally solved.
Owner:SHANGHAI BAOLONG PHARM CO LTD +1

Nanoparticle natural hydrogel with mecobalamin sustained release and preparation method and application thereof

The application belongs to the field of biomedical materials and biomedical engineering technology, and discloses a natural hydrogel nanoparticle with mecobalamin sustained release and a preparation method and application thereof. The preparation method is as follows: calcium carbonate nanoparticles are dispersed in water, loaded with mecobalamin to obtain drug-loaded nanoparticles; boric acid is modified on silk fibroin to obtain boric acid-modified silk fibroin; purified peach gum is reacted with sodium periodate under light-proof conditions to obtain aldehyde-modified peach gum; the drug-loaded nanoparticle suspension is mixed with the aldehyde-modified peach gum, and then the boric acid-modified silk fibroin is added to obtain the natural hydrogel nanoparticle with mecobalamin sustained release. The hydrogel has excellent biocompatibility, drug sustained release, self-repair and other functions, and can be applied to nerve injury repair.
Owner:NANTONG UNIV

A phase change eutectic carrier embedded with photothermal agents, and a preparation method and application thereof

The present application relates to the technical field of pesticides, and discloses a phase change eutectic carrier embedded with a photothermal agent as well as a preparation method and application thereof.The phase change eutectic carrier embedded with the photothermal agent mainly comprises a photothermal agent, a fatty acid, an organic solvent and water.The preparation process of the preparation is simple, the conditions are mild, a large number of additives are not needed, and the preparation can be quantitatively prepared.The dispersion and utilization rate of the bactericide can be improved through eutectic, and the effectiveness of the bactericide can be improved.The preparation is suitable for various application modes such as seed coating and soil treatment, can play various synergistic functions such as temperature response release, prolonging drug retention time, enhancing adhesion and permeability on the surface of pathogenic bacteria, and is a kind of green and efficient bactericide dosage form, which has a wide application prospect in green and intelligent agriculture.
Owner:SHIHEZI UNIVERSITY

Oral care composition for inhibiting helicobacter pylori and preparation method thereof

The invention provides an oral care composition for inhibiting helicobacter pylori and a preparation method of the oral care composition. The oral care composition comprises glycerin, xylitol, erythritol, thymol clathrate, garlic extract clathrate, propolis extract, lactoferrin, disodium ethylene diamine tetraacetate, menthol, potassium sorbate and purified water. The thymol clathrate compound is obtained by carrying out clathration on thymol through beta-cyclodextrin. The garlic extract clathrate compound is obtained by clathrating a garlic extract with beta-cyclodextrin. According to the oral care composition provided by the invention, the helicobacter pylori in the oral cavity can be effectively inhibited through reasonable proportioning of various components, so that the risks of ozostomia and stomach reinfection are reduced.
Owner:BENCHUCHUANGYAN SCIENTIFIC RESEARCH (GUANGZHOU) CO LTD

Freeze-drying protective agent of bacteriophage, freeze-dried powder of bacteriophage, preparation method and application

The invention provides a bacteriophage freeze-drying protective agent, a bacteriophage freeze-drying powder, a preparation method and application, and belongs to the technical field of biological medicine preparations. The freeze-drying protective agent comprises the following components: a cryoprotectant, an antioxidant, an acid-base regulator and a filler. The freeze-drying protective agent disclosed by the invention is reasonably compounded, and the freeze-drying protective agent, the antioxidant, the pH regulator and the filler have a good protective effect on the bacteriophage through a synergistic effect, so that the inactivation rate or the death rate of the bacteriophage in a freeze-drying process can be effectively reduced, and the biological activity and the titer of the bacteriophage are improved. Moreover, the freeze-drying protective agent disclosed by the invention is relatively long in protective effect acting time, can improve the stability of the freeze-dried powder of the bacteriophage, improves the transportation and storage convenience of the freeze-dried powder of the bacteriophage, and effectively solves the problem that the freeze-dried powder of the bacteriophage is difficult to transport and store for a long time in practical application.
Owner:SHANDONG SINDER TECH CO LTD

Preparation method and application of ultramicropore synergistic powder for pesticide tank mixing

The invention discloses ultra-microporous synergistic powder for tank mixing of pesticides as well as a preparation method and application of the ultra-microporous synergistic powder, and belongs to the technical field of functional auxiliary agents of the pesticides. The powder takes a natural porous material as a raw material, is prepared through raw material pretreatment, inert atmosphere high-temperature calcination activation, superfine grinding and homogeneous compounding, and contains 85-98% of superfine porous powder, 1-10% of a dispersing agent and 1-5% of a wetting penetrant. The key of application is that the barrel mixing sequence of diluting the pesticide and then adding the powder is adopted, the adding amount is 1%-5% of the total weight of the pesticide liquid, the powder can efficiently adsorb effective components of the pesticide, and the light stability and the lasting period of the pesticide are remarkably improved through the ultraviolet shielding effect and the adsorption-desorption slow release effect of the ultra-micropore structure. The product and the using method are specially designed for terminal users, operation is easy and convenient, and efficiency is remarkable.
Owner:颜禧凯

A pharmaceutical composition for treating acute ischemic stroke and use thereof

PendingCN122272778AEnhance recanalization stabilityStrong specificityBlood flowDepressant
This invention relates to a pharmaceutical composition and its application for treating acute ischemic stroke. The pharmaceutical composition for treating acute ischemic stroke comprises separately packaged tissue-type plasminogen activator citPA5 and a platelet aggregation inhibitor. Its beneficial effects include significantly improving cerebral blood flow recovery, shortening thrombolysis time, reducing infarct volume, and improving neurological function without increasing the risk of bleeding, demonstrating a good synergistic thrombolytic effect.
Owner:FUZHOU UNIV

Personalized cancer vaccine based on apoptosis vesicles and preparation method and application thereof

PendingCN121754654Aovercome limitationsEnhance immune stimulationPowder deliveryAerosol deliveryIMMUNE STIMULANTSBiocompatibility
The invention provides a personalized cancer vaccine based on apoptosis vesicles and a preparation method and application thereof, and belongs to the technical field of biological medicine, the personalized cancer vaccine comprises apoptosis vesicles, an immunologic stimulant and a biocompatibility carrier; the apoptosis vesicles are extracellular vesicles generated after tumor cells are subjected to apoptosis induction; the biocompatible carrier is a modified chitosan hydrogel, and the biocompatible carrier is a modified chitosan hydrogel; the immunologic stimulant is loaded in the apoptosis vesicle, and the apoptosis vesicle loaded with the immunologic stimulant is embedded into the modified chitosan hydrogel. According to the invention, apoptosis vesicles generated by induction of tumor cells of a patient are taken as a core, the apoptosis vesicles have a natural tumor antigen library and a strong immune activation capability, and personalized precise treatment can be realized; meanwhile, the invention provides a preparation method and application in postoperative tumor recurrence prevention and treatment, and provides technical support for clinical transformation.
Owner:HENAN HUALONG BIOLOGICAL TECH

Folic acid nanoemulsion for increasing spawning rate of protaetia brevitarsis as well as preparation method and application of folic acid nanoemulsion

The invention discloses a folic acid nanoemulsion capable of increasing the egg laying rate of protaetia brevitarsis and application of the folic acid nanoemulsion. The folic acid nanoemulsion comprises the following components in percentage by mass: 0.003%-0.005% of folic acid, 0.02%-0.1% of sodium bicarbonate, 3%-4% of ultrapure water, 16%-19% of a surfactant, 6%-9% of a cosurfactant and 67.895%-74.977% of an oil phase. The method has the remarkable effects that the folic acid content ranges from 0.02 mg / kg to 0.05 mg / kg in a feed mixing and administration mode, the single female egg laying rate of the protaetia brevitarsis can be increased by 5.72% to 25.29% when the protaetia brevitarsis is fed to female protaetia brevitarsis, and nutrition preparation support is provided for increasing the egg laying rate in the large-scale breeding process of the protaetia brevitarsis.
Owner:GUIZHOU UNIV

No-wash hand sanitizer and preparation method thereof

The invention relates to the technical field of hand sanitizers, in particular to a no-wash hand sanitizer and a preparation method thereof. The no-wash hand sanitizer is prepared from the following components in percentage by mass: 0.5 to 1 percent of modified soybean peptide, 0.8 to 1.2 percent of artemisia japonica polysaccharide, 1 to 3 percent of glycerol, 0.3 to 0.5 percent of carbomer, 0.05 to 0.15 percent of triethanolamine, 0.1 to 0.5 percent of vitamin E, 0.02 to 0.05 percent of rose essence and the balance of distilled water, the structural formula of the modified soybean peptide is as follows: # imgabs0. The no-wash hand sanitizer provided by the invention is excellent in sterilization effect, long in action time, mild, skin-friendly and non-irritant.
Owner:SHENZHEN XIANYU ENVIRONMENTAL PROTECTION TECH CO LTD

Antibacterial mildew-proof sanitary container bag and preparation process thereof

The invention discloses an antibacterial and mildew-proof sanitary container bag and a preparation process thereof, and relates to the technical field of container bags, the antibacterial and mildew-proof sanitary container bag comprises a plastic woven cloth layer, a bonding layer and a base layer from outside to inside in sequence; the base layer is composed of a base material and antibacterial and mildew-proof resin particles, and the base material is composed of a bottom layer, a middle layer and a surface layer in sequence; the antibacterial mildew-proof resin particles are positioned on the bottom layer and the middle layer or the middle layer and the surface layer of the base layer; the addition amount of the antibacterial and mildew-proof resin particles in the base layer accounts for 3.0-5.0% of the total addition amount of the base layer in percentage by weight; the water absorption layer is introduced into the antibacterial mildew-proof resin particles, the release speed of silver ions is effectively controlled through the slow release effect of the water absorption silica gel, too fast loss of the silver ions is avoided, slow release of the silver ions is achieved, and therefore the antibacterial time of the container bag is prolonged.
Owner:DANZHOU WEIDA CHEM CO LTD

A perovskite solar cell with top-down defect passivation

This invention belongs to the field of solar cell technology, specifically relating to a top-down defect passivation perovskite solar cell. It includes, from bottom to top, a transparent conductive substrate, an electron transport layer, a first passivator layer, a perovskite layer, a second passivator layer, a hole transport layer, and a back electrode. The perovskite layer has an inverse opal structure, comprising perovskite and spherical pores. Several layers of spherical pores are arranged sequentially from top to bottom within the perovskite layer, with several pores per layer. This invention utilizes the three-dimensional continuous through-holes of the inverse opal perovskite structure to promote the penetration of the passivator to the buried interface, thereby achieving overall defect passivation of the perovskite bulk phase and the perovskite / carrier transport layer interface. Furthermore, the slow-light effect of the inverse opal structure helps to prolong the interaction time between incident light and the perovskite, enhancing light absorption performance. Ultimately, a perovskite solar cell with high photoelectric conversion efficiency and good long-term stability is obtained.
Owner:HENAN ANCAI HI-TECH +1

Antibacterial calamine lotion and preparation method thereof

PendingCN119656244AGood antibacterial and anti-inflammatory effectimprove textureAntibacterial agentsAntimycoticsVitamin b6Polyvinyl alcohol
The invention provides an antibacterial calamine lotion and a preparation method thereof, and belongs to the technical field of biological medicine manufacturing. The antibacterial calamine lotion is prepared from calamine powder, zinc oxide, vitamin B6, borneol, starch sodium octenylsuccinate, polyvinyl alcohol PVA-2488 and a traditional Chinese medicine extract, the traditional Chinese medicine extract is obtained by performing enzymolysis on golden cypress, honeysuckle and purslane. Wherein the calamine powder and the zinc oxide have the effects of astringing and relieving itching, the vitamin B6 has the effects of enhancing the skin barrier function and relieving inflammatory response, the borneol has the effects of promoting transdermal penetration, cooling, relieving itching and resisting bacteria and diminishing inflammation, the traditional Chinese medicine extract has the effects of clearing away heat and toxic materials, eliminating dampness and resisting bacteria, diminishing inflammation and relieving itching, and the starch sodium octenylsuccinate and the polyvinyl alcohol PVA-2488 can improve the stability of the calamine lotion. All the components have a synergistic effect, antibacterial activity on various microorganisms is achieved, and the skin disease treatment effect is remarkable. Clinical experiment results show that the total effective rate of the calamine lotion for treating the bacterial dermatosis reaches up to 98%.
Owner:JIANGSU PENGYAO PHARMA

Moisturizing face cream with rejuvenating effect and preparation method of moisturizing face cream

PendingCN119587399ATo achieve a sustained release effectProlong the action timeCosmetic preparationsToilet preparationsMonoglycerideGlycerol
The invention relates to the technical field of cosmetics, in particular to a moisturizing face cream with a red repairing effect and a preparation method thereof, the moisturizing face cream comprises the following components: an oil phase: artemisia apiacea volatile oil, camellia oil, a repairing nano-carrier, squalane, cetostearyl alcohol and ceramide; and a water phase: deionized water, glycerol, sodium polyglutamate, trehalose and lecithin. According to the repairing nano-carrier, emulsified particles containing repairing components are infiltrated into the carrier in a vacuum impregnation manner, so that the loaded repairing components can stay on the skin for a long time; through water-in-oil emulsified particles with repairing components, the repairing components are wrapped in micro-nanospheres of monoglyceride, and the slow-release effect of the repairing components is further achieved; effective rejuvenating components are carried and permeated into the skin to reach the inflammation position by utilizing glyceride, so that the antianaphylaxis is reduced, the inflammation is prevented, the skin barrier is comprehensively enhanced, couperose skin is effectively removed, and the redness phenomenon is improved.
Owner:HUZHOU RUNTUO BIOTECHNOLOGY CO LTD