420 results about "Gel matrix" patented technology

The invention belongs to the technical field of medical materials, and particularly relates to a tooth whitening composition and a preparation method thereof, the tooth whitening composition comprises the following components by weight: 5%-15% of hydrogen peroxide, 0.5%-1.5% of a gel matrix, 0.2%-1.0% of a thickener, 5%-10% of a humectant, 3%-8% of propylene glycol, 0.05%-0.2% of a chelating agent, 1%-3% of a sweetener, 0.1%-0.5% of sodium fluoride, and the balance of water. Aiming at the problems that an existing tooth whitening product is relatively low in pH value (most of 4.0-5.0), easy to irritate gingiva and sensitive in tooth manufacturing, and the existing tooth whitening product needs to be stored in a dark place at a low temperature and is short in whitening validity period, the pH value of the product is adjusted to 5.5-6.5, so that the product is close to oral saliva, the irritation can be reduced, the stability of the product can be ensured, the product is not easy to decompose, and the tooth whitening effect is good. Active ingredients are prevented from losing efficacy in advance, and the whitening validity period is prolonged.

The invention discloses a nanofiber interwoven composite gel membrane for carbon dioxide separation and a preparation method of the nanofiber interwoven composite gel membrane. The nanofiber interwoven composite gel membrane comprises a nanofiber interwoven framework and a carbon dioxide-philic gel matrix layer, wherein the surface of the nanofiber interwoven framework is coated with the carbon dioxide-philic gel matrix layer; the carbon dioxide-philic gel matrix layer is formed by in-situ polymerization and gelation of a precursor solution containing an oxidizing agent, a cross-linking agent and a functional monomer on the surface of the nanofiber interwoven skeleton. The nanofiber interwoven composite gel membrane provided by the invention has excellent carbon dioxide permeability and selectivity. The invention also discloses an application of the nanofiber interwoven composite gel membrane in separation of carbon dioxide.

The invention belongs to the technical field of medical gel, and particularly relates to modified hydrogel for skin wound healing and a preparation method thereof.The modified hydrogel is prepared from, by weight, 2-5 parts of drug-loaded GDVLNs, 1-2 parts of chitosan, 0.6-1.5 parts of antioxidant, 0.2 part of LAP, 1.5 parts of MA, 18 parts of gel matrix and 100 parts of buffer solution, the drug-loaded GDVLNs prepared from the traditional Chinese medicine active ingredients and the ginseng vesicles have the functions of resisting oxidative stress, promoting angiogenesis, promoting cell proliferation and the like, and the MA modified hydrogel system can realize slow release and controlled release of the drug-loaded GDVLNs and play a long-acting healing promoting role.

The invention belongs to the technical field of thermoelectric materials and functional polymer materials, and particularly relates to thermoelectric hydrogel based on synergistic enhancement of zwitterions and a polar solvent as well as a method and application of the thermoelectric hydrogel. The thermoelectric hydrogel is obtained through the steps that a precursor solution is subjected to a polymerization reaction to form a gel matrix, then the gel matrix is soaked in a soaking solution, potassium ferricyanide / potassium ferrocyanide redox couple is introduced, and the thermoelectric hydrogel is obtained, and the precursor solution is prepared from acrylamide, N-isopropylacrylamide, dimethyl sulfoxide, N, N-dimethylformamide, N, N-dimethylformamide, N, N-dimethylformamide, N, N-dimethylformamide, N, N-dimethylformamide and N, N-dimethylformamide. The photoinitiator is prepared by mixing N, N-dimethylformamide, 1-ethyl-3-methylimidazolium tetrafluoroborate, a zwitterionic monomer [2-(methylacryloyloxy) ethyl] dimethyl-(3-sulfopropyl) ammonium hydroxide, a cross-linking agent N, N '-methylene bisacrylamide, a photoinitiator and deionized water. The thermoelectric hydrogel prepared by the invention has high mechanical strength, high ductility and high Seebeck coefficient, and has better temperature resistance.

The invention discloses injection type facial filler composition gel for medical beauty as well as a preparation method and application of the injection type facial filler composition gel, and belongs to the technical field of biomedical materials. The composition gel comprises a combined gel matrix and polycaprolactone microspheres, wherein the combined gel matrix comprises an aqueous solution for injection, sodium carboxymethyl cellulose and human recombinant collagen; according to the composition gel, a combined gel matrix and polycaprolactone microspheres are mixed according to a specific proportion, amino acid residues of human-derived recombinant collagen in the combined gel matrix serve as binding sites of cell surface receptors to improve the cell recognition and attachment capacity of the polycaprolactone microspheres, and the amino acid residues are organically combined with sodium carboxymethyl cellulose to improve the cell recognition and attachment capacity of the polycaprolactone microspheres. The durability and biocompatibility of the shaping effect of the human-derived recombinant collagen at the injection site are improved; the composition prepared by the invention is good in gel fluidity, high in elastic modulus and high in dynamic viscosity, and can meet the expected mechanical and rheological properties of a facial filling agent for cosmetic and plastic surgery.

The invention relates to the technical field of food processing and making, and discloses a konjac food and a making method thereof, and the making method comprises the following steps: raw material pretreatment, swelling and dispersion, enzymolysis treatment, gel matrix preparation, flavor substance embedding, mixing and degassing, curing forming, ultrahigh pressure treatment and post-sterilization and packaging. In the invention, the konjac micro-powder is subjected to controllable enzymolysis through the compound bio-enzyme preparation, and the konjac micro-powder and the gel matrix liquid composed of carrageenan, gellan gum and curdlan gum in a specific ratio have a synergistic effect under a curing condition, so that the konjac colloid and the gel matrix are interwoven to form a compact and stable cementing system, and the texture of the konjac food is improved; according to the method, the plant-derived flavor extract is added, so that the taste of the plant-derived flavor extract is uniform and consistent, the defect that the traditional process product is unstable in texture or easily generates bad flavor is overcome, the plant-derived flavor extract is embedded by adopting beta-cyclodextrin, and the plant-derived flavor extract is converted into a microcapsule form through high-pressure homogenization and spray drying processes.

The invention belongs to the technical field of contact lens care, and provides temperature-sensitive contact lens eye-moistening gel and a preparation method thereof. The temperature-sensitive contact lens eye-moistening gel is prepared from the following raw materials in parts by mass: a gel matrix, a surfactant, an osmotic pressure regulator, an active component, a chelating agent, a buffering agent and the balance of injection water, the composition of the gel matrix is defined. Chitosan, sodium hyaluronate and polyvinyl alcohol are compounded to serve as a gel matrix, a polyelectrolyte compound is formed, gelation time is shortened, gel strength and swelling resistance are improved, biocompatibility is improved, and drug-loaded delivery of active ingredients is achieved; the gel matrix and the surfactant are reasonably selected, the viscosity of the solution is increased, the gelation time is shortened, the excellent effect of relieving eye fatigue and dryness is achieved, the wearing comfort of the contact lens is remarkably improved, and the oxygen permeation effect of the contact lens is not obviously reduced after gel forming.

The invention discloses a novel compound rapid surface anesthetic and a preparation method thereof, and belongs to the field of pharmaceutical preparations. According to the anesthetic, core anesthetic components of lidocaine and tetracaine are compounded with propylene glycol-laurocapram synergistic penetration enhancer, menthol auxiliary penetration enhancer, carbomer 980 gel matrix, triethanolamine pH regulator, glycerol humectant, panthenol soothing agent, purified water and the like, a surface smearing agent is prepared through a specific process, and the anesthetic can be administered in combination with an iontophoresis technology. Compared with the existing surface anesthetic for the cosmetic surgery, the surface anesthetic disclosed by the invention solves the problems of slow effect taking and poor effect, can realize rapid penetration of local skin, has short anesthesia effect taking time, long duration and good effect, has no obvious irritation to the skin, has good product stability, can effectively reduce the drug toxicity, and has a good application prospect. The device is suitable for surface anesthesia of non-surgical medical beauty items such as skin beauty, laser treatment and water-light micro-needles.

The invention discloses a gel microneedle loaded with silver nanoparticles and a preparation method and application thereof.The extract nano-silver (AB-AgNPs) is prepared through a green synthesis strategy, a drug-loaded microneedle system is constructed based on carboxymethyl chitosan-vanillic aldehyde-polyvinyl alcohol (CMCS-Va-PVA) composite gel, the AB-AgNPs prepared through the technology are uniform in particle size and stable in dispersion, and the drug-loaded microneedle has the advantages that the drug-loaded microneedle is good in drug-loaded performance and good in drug-loaded performance; the crystal has a typical face-centered cubic crystal structure and metal state Ag0 characteristics; the gel microneedle has good mechanical strength and forming effect, the AB-AgNPs and the gel matrix are stably combined through hydrogen bonds, the chemical properties are kept unchanged, and the system has broad-spectrum efficient bacteriostatic activity and biocompatibility; an in-vitro experiment proves that the green synthesized gel microneedle loaded with the silver nanoparticles has a remarkable capability of promoting the healing of L929 cell tissues; a rat wound experiment proves that the gel microneedle can regulate and control an inflammatory factor network and promote cell migration and tissue regeneration, healing of common and infected wounds is remarkably accelerated, and the wound residue ratio in 9 days is as low as 2.7% and 10.9% respectively.

The invention discloses a special ergothioneine-containing skin repair hydrogel for pets and a preparation method of the special ergothioneine-containing skin repair hydrogel, and belongs to the technical field of pet skin care hydrogels. The invention relates to a skin care product which comprises the following components in parts by weight: 1.6-3.8 parts of a functional active component consisting of ergothioneine, quaternized chitosan and oat beta-glucan, 0.15-0.35 part of a cross-linking agent, 5-10 parts of 1, 3-propylene glycol, 5-10 parts of glycerol, 0.2-0.5 part of a preservative and the balance of water, totaling 100 parts. Through precise compatibility of functional active components and synergistic construction of the ionic cross-linked gel matrix, systematic integration of three effects of oxidation resistance, bacteria resistance and healing promotion is achieved, and the technical problems that an existing pet skin care product is single in function, insufficient in synergy and limited in repairing effect are solved.

The invention provides a nicotine-containing gel and a preparation method thereof. The nicotine-containing gel comprises the following components: a nicotine microcapsule, a penetrant, a gel matrix, a flavoring agent and water. The gel has excellent biocompatibility and slow release performance through combination of the nicotine microcapsules and the gel matrix, the skin permeability of nicotine can be improved by adding the penetrant, and the gel has the advantages of freshening the oral cavity and keeping fragrance for a long time by adding the flavoring agent. Therefore, a new consumption choice can be provided for smoking cessation groups and patients needing nicotine medicine.

A solid oral immediate release formulation of LSD, wherein the composition is produced by lyophilization of a feedstock in a pre-formed mold to form an orally disintegrating tablet. A method of making a solid oral immediate release formulation of LSD by lyophilizing a flash frozen stock solution of LSD and excipients, including a non-gelling matrix former, filler, and binder in a pre-formed mold, and forming an orally disintegrating tablet. A method of treating an individual by administering a solid oral immediate release formulation of LSD, wherein the composition is produced by lyophilization of a feedstock in a pre-formed mold to form an orally disintegrating tablet and treating the individual.

The invention belongs to the technical field of biological medicine, and relates to an oral peptide drug delivery system based on a soybean trypsin inhibitor and core-shell hydrogel, the oral peptide drug delivery system comprises therapeutic polypeptide, KTI and a core-shell structure gel matrix, and the problems that an existing oral peptide delivery system is passively protected and drug burst release is remarkable are solved. A chitosan / sodium tripolyphosphate ionic cross-linked network forms an inner core, a sodium alginate / calcium ion'egg box 'structure cross-linked network forms a shell, and therapeutic polypeptides such as liraglutide and KTI are jointly embedded. Through the pH response characteristic and sequential release design of the core-shell structure, KTI is preferentially and rapidly released in the intestinal environment to inhibit local protease activity, then therapeutic polypeptide is slowly released, and active protection and synergistic interaction are achieved. The invention further provides a specific preparation method and parameters. The polypeptide has the advantages of stable structure in a gastric acid environment, targeted release in intestinal tracts, high encapsulation efficiency, capability of avoiding burst release and the like, and provides a new strategy for efficient delivery of oral polypeptide drugs.

The invention relates to the technical field of biomedical materials, in particular to medical bioglass wound repair gel and a preparation method and application thereof, and the preparation method comprises the following steps: mixing sodium carboxymethyl cellulose or a substitute thereof with glycerol or a substitute thereof to form a pre-dispersion system; adding water to dissolve and homogenize the pre-dispersed system; dissolving sodium dihydrogen phosphate or a substitute thereof in water to ensure that the electrolyte is completely dissolved; pouring an electrolyte solution into the pre-dispersion system to form a gel matrix; adding the bioactive glass into the gel matrix, so that the bioactive glass is dispersed in the gel; transferring the gel into a homogenizer, so that the gel is uniformly ground; and putting the gel into a vacuum degasser, removing bubbles, and finally filling and sterilizing to obtain the gel. In the nursing of various non-chronic wounds and surrounding skin, an effective physical barrier is formed, a suitable microenvironment is created for wound healing, wound healing is accelerated, scar formation is reduced, and the rehabilitation experience of a patient is improved.

This invention discloses a cellulose-based ion-conductive gel membrane and its preparation method, belonging to the technical field of flexible wearable electronic materials and sensors. Addressing the technical pain points of existing ion gels, such as easy dehydration and failure, insufficient mechanical properties, difficulty in film formation, and inability to synergistically optimize multiple performance indicators, this invention constructs a composite gel matrix by crosslinking sodium alginate and sodium carboxymethyl cellulose with calcium ions. The crosslinking density of the system is controlled by sodium carboxymethyl cellulose, and glycerol is used as a plasticizer to construct ion transport channels. A solid gel membrane free of free water is obtained through coating, crosslinking, room temperature equilibration, and drying dehydration. The raw materials of this invention are environmentally friendly, the preparation process is simple and controllable, and the resulting gel membrane possesses high tensile strength, high transparency, excellent ion conductivity, and environmental stability. It exhibits sensitive strain response and good linearity, and can be widely used in the field of flexible strain sensing.

The application discloses a salbutamol sulfate sustained-release tablet and a preparation process thereof. The preparation process comprises the following steps: drug micronization treatment, drug and ion exchange resin compounding, granulation with hydrophilic gel matrix material, gradient temperature control drying, total mixing after whole granulation, tabletting, double controlled-release coating, ladder solidification treatment and screening and packaging. Through the synergistic sustained-release effect of the ion exchange resin and the hydrophilic gel matrix material, the double controlled-release coating and the ladder solidification process, the application effectively inhibits drug burst release, realizes smooth and long-lasting release, reduces impurity content, and improves product stability and batch reproducibility. The obtained sustained-release tablet releases 20%-40% in 2 hours and 80% or more in 8 hours in a pH 6.8 phosphate buffer, and the quality is controllable, so the sustained-release tablet is suitable for industrial production.

The invention relates to the technical field of medical gel preparation, in particular to propolis temperature-sensitive in-situ gel as well as a preparation method and application thereof. A gel matrix is screened by adopting a single factor test, a prescription is optimized by adopting a star point design-effect surface method, and the quality of the propolis temperature-sensitive gel is evaluated. The optimal prescription of the propolis temperature-sensitive vaginal gel obtained through experimental optimization is as follows: 22.9% of poloxamer 407, 1.8% of poloxamer P188, 5.4% of polyethylene glycol 400 and 5% of propolis, the gelling temperature before dilution is 25 DEG C, and the gelling temperature after dilution is 37 DEG C. Quality evaluation results show that the antibacterial agent is stable in property, proper in gelling temperature and good in antibacterial activity. The prepared propolis temperature-sensitive vaginal gel is stable in process, uniform in appearance, controllable in quality and good in slow-release effect and antibacterial effect.

The invention relates to the technical field of biological medicine, and discloses rapamycin-loaded microemulsion gel as well as a preparation method and application thereof. The preparation method of the microemulsion gel comprises the following steps: dissolving N, N-dimethyl octadecyl carboxymethyl chitosan in a water phase, then adding an oil phase, a cosurfactant and rapamycin, and stirring to obtain rapamycin-loaded microemulsion; the preparation method comprises the following steps: dissolving a high polymer material in a PBS solution, heating until the high polymer material is completely dissolved, then adding dopamine, stirring for reaction, and finally dialyzing and freeze-drying to obtain the adhesive. And adding a gel matrix containing a thickening agent and an adhesive into the microemulsion, and stirring to obtain the rapamycin-loaded microemulsion gel. According to the prepared microemulsion gel, transdermal drug delivery of hydrophobic drugs is achieved, testis are coated with the microemulsion gel loaded with rapamycin, the blocking effect of damp-heat stress on differentiation and development of testis interstitial cells can be relieved, and the functionality of a male reproduction endocrine system is recovered.

The invention discloses a preparation method of a starch-based gel color developing material for visual detection of airborne iodine nuclides, which comprises the following steps: adding starch, a polymer matrix material and a plasticizer into deionized water for soaking and uniformly stirring to obtain a starch-based gel matrix solution; placing the starch-based gel matrix solution at a certain temperature, and stirring to obtain gel paste; and injecting the gel paste liquid into a mold, and carrying out freeze-thaw cycle to obtain the starch-based gel color developing material for airborne iodine nuclide visual detection. The starch-based gel color developing material has the characteristics of quick response, stable color development and lasting color and luster for airborne iodine nuclide at normal temperature, has excellent mechanical strength, machinability and recycling performance, can be flexibly processed into forms such as a film and a test piece, or can be integrated in various detection devices, and has a wide application prospect. The method is suitable for places needing airborne iodine nuclide detection, such as nuclear medicine laboratories, nuclear facilities / nuclear equipment and the like, and meets the requirements of real-time visual detection and early warning.

The invention discloses bacteriostatic gel for gynecology and a preparation method thereof, and relates to the technical field of bacteriostatic gel. The antibacterial gel is prepared from a gel matrix, a plant extracting solution, antibacterial peptide, a humectant, astaxanthin microcapsules and a specific buffer solution. The buffer solution contains sodium citrate, hyaluronic acid and citric acid, and intelligent regulation and control of the drug release behavior of the astaxanthin microcapsule are realized by utilizing the synergistic effect of a hyaluronic acid and citric acid buffer system and preferably adopting hyaluronic acid compounded or modified with different molecular weights. The gel can maintain stable drug release in a normal vagina and pathological fluctuation pH environment, and trigger accelerated release in a high active oxygen inflammation environment, so that the problems that the release behavior is greatly influenced by environmental fluctuation and cannot adapt to different disease stages in the prior art are effectively solved, accurate and personalized drug delivery is realized, and the drug delivery efficiency is improved. The antibacterial agent has the advantages of good antibacterial effect and high environmental adaptability.

The invention relates to the field of cell culture, in particular to a liver organ model culture device and method.The liver organ model culture device comprises a temperature control box and a box cover arranged on the temperature control box, a pressing column is slidably installed in the middle of the box cover in a penetrating mode, a column spring is wound around the outer side of the pressing column, and one end of the column spring is connected with the upper end of the pressing column; the other end of the column spring is fixed to the upper end of the box cover, a culture piece is arranged at the position, located on the inner side of the box cover, of the upper end of the temperature control box, a plurality of liquid changing holes are formed in the upper end of the box cover in a penetrating mode, a bearing frame is placed at the upper end of the box cover, and a plurality of liquid injection pipes are embedded in the bearing frame in a penetrating mode; a plurality of liquid suction pipes are embedded in the bearing frame in a penetrating mode, and the liquid injection pipes are located on the sides of the liquid suction pipes. According to the invention, the culture effect is improved, the liquid changing efficiency is also improved, and meanwhile, the gel matrix block is prevented from being damaged during liquid changing.

To provide a polyherb gel delivery device that maintains the stability and antioxidant activity of herbal ingredients, ensuring a long shelf life, controlled release of active ingredients, ease of use, and suitability for large-scale dietary supplement and functional food applications. The polyherb gel delivery device (100) comprises a gel matrix (102), an antioxidant barrier layer (104), and an outer container (106). The gel matrix (102) is centrally located and surrounded by the barrier layer (104), which is further surrounded by the outer container (106), forming an integrally connected multi-layer structure suitable for stably encapsulating the herb gel composition.

The invention discloses a blue copper peptide composition for repairing scars and a preparation method of the blue copper peptide composition, and belongs to the technical field of preparation of biological medicine preparations. The composition is prepared from freeze-dried powder of copper blue peptide, polyquaternium-73, asiaticoside, nicotinamide, polydimethylsiloxane, betaine-propylene glycol ionic liquid and a gel matrix. According to the invention, the blue copper peptide is coated in a permeation enhancing system constructed by the betaine-propylene glycol ionic liquid and the HEPES, so that the enzymolysis loss of the blue copper peptide is reduced, and the biological activity of the blue copper peptide is maintained; a temperature-sensitive gel matrix is constructed by carboxyl esterified modified sodium alginate and poloxamer, the carboxyl esterified modified sodium alginate is prepared by grafting n-butyl alcohol to a hydrophilic main chain of sodium alginate through a Fischer esterification method, the gel matrix is in a liquid state at normal temperature, after the gel matrix is smeared on a scar part, the gel matrix is converted into semi-solid gel under the influence of body temperature, and slow and continuous release of blue copper peptide can be achieved. The traditional Chinese medicine composition has the effect of repairing scars and is suitable for chronic scars needing long-term nursing.

This invention relates to the field of pharmaceutical technology. The invention provides a traditional Chinese medicine gel, comprising, by weight percentage: 0.5-5% traditional Chinese medicine exosomes, 5-15% traditional Chinese medicine extracts, 10-25% gel matrix, 1-5% transdermal penetration enhancer, 2-8% moisturizer, 0.1-0.5% preservative, 0.05-0.3% pH adjuster, and the balance deionized water. The traditional Chinese medicine gel prepared using the technical solution of this invention uses traditional Chinese medicine exosomes as the core active ingredient, combined with traditional Chinese medicine extracts, and leverages the advantages of a gel formulation to achieve highly efficient transdermal absorption of the active ingredients. It can specifically treat acne caused by internal dampness, and is highly safe, stable, and easy to use.

The invention discloses a solid waste-based micro-nano radiation cooling coating and a preparation method thereof.The preparation method comprises the steps that fly ash and coal gangue serve as main solid waste raw materials, and after being subjected to ultra-fining and silane modification, the main solid waste raw materials and a phosphate exciting agent are subjected to chemical action to form an inorganic micro-nano gel matrix; nano-silica (SiO2) and barium sulfate (BaSO4) are cooperatively introduced as a spectrum regulation functional filler, and a multi-scale scattering structure and an intermediate infrared radiation channel are constructed, so that the radiation cooling effect of high solar reflectivity and high infrared emissivity is realized. The prepared coating has excellent spectral selectivity (the solar reflectivity is larger than or equal to 0.88, and the mid-infrared emissivity is larger than or equal to 0.95), high weather resistance (the 500-hour ultraviolet aging retention rate is larger than or equal to 95%) and remarkable passive cooling capacity (the temperature drop can reach 5-8 DEG C). The raw materials are wide in source, the preparation process is simple, a large amount of building solid waste or industrial solid waste can be utilized, the low-cost and high-performance green radiation cooling coating is achieved, and a technical path capable of being popularized on a large scale is provided for building outer wall energy-saving transformation and urban heat island relieving.

The invention discloses a fruit-piercing moth food attractant for orchard pest prevention and control, and belongs to the technical field of green prevention and control of agricultural pests. The invention provides application of tetrandrine in preparation of a fruit-piercing moth food attractant, and saccharides, organic acid and a water-soluble gel matrix are added as auxiliary components. A trapper containing the fruit-piercing moth food attractant is hung in an orchard, it is found that the fruit-piercing moth food attractant can efficiently trap fruit-piercing moths, damage of pests to fruits is reduced, and the trapping effect is obviously better than that of traditional sweet and sour liquid. According to the method, low-value materials are utilized, the cost is low, the operation is simple, the population density of fruit-piercing moths in the orchard can be effectively reduced, the fruit loss of the orchard is reduced, and the method has a positive promotion effect on the development of the fruit industry.

This invention belongs to the field of traditional Chinese medicine adhesive bandage technology, specifically relating to a Shengji Yuhong Ointment, its preparation method, and a medicated film adhesive bandage. The Shengji Yuhong Ointment has a hydrogel structure, comprising raw materials, a gel matrix, and nano-zinc oxide or silver sulfadiazine nanoparticles. The raw materials include the following components by weight: 13-17 parts Angelica dahurica, 34-38 parts Glycyrrhiza uralensis, 58-62 parts Angelica sinensis root, 10-14 parts Dragon's Blood, 4-8 parts Lithospermum erythrorhizon, and 0.2-0.25 parts Musk-β-cyclodextrin inclusion complex powder or Musk nanoliposome powder. The matrix comprises the following components by weight: 245-255 parts sesame oil, 57-63 parts beeswax, 93-103 parts polymer material, 37-43 parts plasticizer, 3-8 parts penetration enhancer, and 0.8-1.2 parts preservative. The Shengji Yuhong Ointment of this invention is used in medicated film adhesive bandages, is convenient to use, and is particularly suitable for chronic, difficult-to-heal ulcers and acute wounds requiring accelerated healing.

The invention provides a medical beauty-grade sensitive skin repair dressing with a gamma-polyglutamic acid controlled release function, and belongs to the technical field of biomedical materials. The repair dressing is composed of controlled release microspheres dispersed in a matrix material, the controlled release microspheres take modified gamma-polyglutamic acid as an active core material and a biocompatible high polymer material as a wall material, and the matrix material comprises a medical grade gel matrix, a moisturizing component and an anti-inflammatory soothing component. The gamma-polyglutamic acid is subjected to acylation or graft modification to improve the stability and biocompatibility of the gamma-polyglutamic acid, and 12-72h gradient release of the gamma-polyglutamic acid is realized by virtue of the controlled release microspheres prepared by virtue of an emulsification-crosslinking method or a solvent evaporation method; meanwhile, through the synergistic matching of the matrix components, the dressing is endowed with the moisturizing, anti-inflammatory and soothing effects. The dressing can effectively reduce wound inflammatory response after medical art, promote epidermal cell proliferation and improve the water content and barrier function of a sensitive skin cuticle, and is suitable for scenes of wound repair after medical art, sensitive skin barrier reconstruction and the like.

The invention discloses a traditional Chinese medicine composition for regulating qi to alleviate pain and tonifying spleen to arrest diarrhea, a navel patch and a preparation method and application thereof, and belongs to the technical field of emplastrum, the traditional Chinese medicine composition is prepared from galangal oil, star anise oil and pericarpium citri reticulatae oil in a weight ratio of (3-5): (1-3): (2-4). The navel patch comprises a gel layer composed of an active substance and a gel matrix, and the active substance is the traditional Chinese medicine composition. The galangal oil-star anise oil-pericarpium citri reticulatae oil combination is applied to the navel patch, the galangal oil, the star anise oil and the pericarpium citri reticulatae oil have a synergistic effect to jointly achieve the effects of warming spleen and stomach for dispelling cold, regulating qi to alleviate pain and tonifying spleen to arrest diarrhea, and all active substances are from a catalog of homology of medicine and food, so that the medication safety of children is fundamentally ensured, and the worry of parents on side effects of medicines is solved.

The present invention discloses a controlled-release type polymeric ferric sulfate water treatment agent and its preparation method, belonging to the technical field of water treatment functional materials. The water treatment agent consists of polymeric ferric sulfate, an iron ion color indicator, a gel matrix, a cross-linking calcium agent, amino diatomaceous earth, a pore-forming agent and an inert filler. The preparation method includes: first preparing a network gel, then preparing soft materials, and finally obtaining the product through pill-making and drying. The present invention realizes the slow release and controllability of polymeric ferric sulfate, and the color indicator can directly reflect the consumption state of polymeric ferric sulfate, facilitating storage, transportation, dosing and recovery.