47 results about "Gelatin gel" patented technology

Belonging to the technical field of concrete additive preparation, the invention relates to a preparation method of a stable alkali-free setting accelerator. The method includes: firstly conducting gelatinization treatment on black fungus chaff powder, them performing mixing heating with an acrylic monomer, ammonium persulfate and other substances to obtain fungus chaff water-absorbent resin, then subjecting the fungus chaff water-absorbent resin and a self-made gelatin gel solution to mixing grinding so as to obtain mixed water-absorbent resin powder, then subjecting the mixed water-absorbent resin powder and calcium carbonate powder to mixing pressing, and performing ball milling to obtain calcium carbonate resin composite powder, then using aluminum sulfate and benzylamine as the raw materials to prepare an organic amine dispersion solution, and finally heating the organic amine dispersion solution, calcium carbonate resin composite powder and other substances, and then performing cooling. The stable alkali-free setting accelerator prepared by the method provided by the invention has good stability, does not hydrolyze easily, enhances the setting time to a initial setting time of less than 2min and a final setting time of less than 4min, is free of alkali component, does not cause harm to human body, also is environment-friendly, and improves the concrete strength, thus being widely applicable to bridges, underground engineering and other fields.

The invention provides a continuous gradient bionic manufacturing method based on a pneumatic accurate control active cartilage scaffold. Based on sodium alginate SA ionic crosslinking and gelatin Gel low-temperature solidification forming mechanisms, SA, Gel, hydroxyapatite HA and cartilage cell suspension liquid are used as scaffold base materials, and according to the morphological characteristics of natural soft tissues, an extrusion deposition 3D printing technology based on high-pressure controllable gas is adopted to realize the preparation of an embedded living cell three-dimensional soft scaffold; and in the preparation process, the pressure applied to different charging barrels is dynamically and accurately regulated and controlled in real time, so that the accurate controllability of the component content is realized, then real-time dynamic mixing and continuous gradient laying of different component materials are realized through a dynamic mixing spray head, and the scaffold is crosslinked under the combined action of a CaCl2 solution and a low-temperature platform. The problems that an existing cartilage scaffold material is single in concentration, and the single material components of each layer in a layered structure do not conform to the anatomical characteristics of the continuous gradient of natural cartilage are solved.

The invention relates to a manufacturing method of an edible sodium alginate / gelatin 3D gel scaffold adopting a tea polyphenol coating for cultured meat, the 3D gel scaffold manufactured by the method can be used for proliferation, differentiation and culture of skeletal muscle stem cells, which provides organized support for the cultured meat, and belongs to the field of future food science and technology. The method comprises the following steps: uniformly mixing sodium alginate and gelatin with a certain concentration according to a certain ratio, fully reacting at room temperature for more than 2 hours, refrigerating overnight, and soaking in a calcium chloride / tea polyphenol solution to obtain the sodium alginate / gelatin 3D gel scaffold coated by the tea polyphenol. The manufacturing method is simple and efficient, and no toxic cross-linking agent is used. The obtained sodium alginate / gelatin 3D gel scaffold with the tea polyphenol coating has good cell adhesion and compatibility, and can be used for proliferation, differentiation and culture of skeletal muscle stem cells. The invention provides a manufacturing method of a novel and edible 3D scaffold for the research of cultured meat.

The invention discloses a gel matrix, and the formula of the gel matrix comprises the following components in parts by mass: polyvinyl alcohol, chitosan, aloe gel, gelatin gel, glycerol, polyethylene glycol, a humectant, a cross-linking agent, a pH regulator, deionized water, plant extract essence, a bacteriostatic agent, carbomer, a cellulose derivative and alginic acid powder. The invention also provides a gel matrix and a preparation method thereof, which comprises the following steps: stirring at normal temperature, stirring at low temperature, subpackaging into molds, and repeatedly freezing, thawing and curing. The aloe gel, the gelatin gel, the polyethylene glycol and other components are added in the formula, and the gel can be combined with polyvinyl alcohol, carbomer and the like in the formula components during coagulation, so that the adhesion effect of the mask produced by the gel matrix is improved; under the action of the gel, the alcohol and the humectant, the gel matrix can adsorb moisture and essence, so that the facial mask produced by the gel matrix is relatively good in skin friendliness, and a user can obtain relatively good use experience.

The invention provides a gelatin / fiber composite antibacterial film and a preparation method and application thereof. The preparation method of the antibacterial film comprises the following steps: adding gelatin particles into deionized water, stirring and heating, so that a gelatin aqueous solution is obtained, pouring the gelatin aqueous solution into a mold to obtain gelatin gel, grounding thegelatin gel through a metal wire to serve as a receiving plane, dissolving a polymer material and an antibacterial agent in a solvent to obtain an electrostatic spinning solution, adjusting parameters to perform electrostatic spinning, forming a fiber layer on the surface of the gelatin gel, and drying. According to the invention, the gelatinous gelatin is used as a receiving plane for electrostatic spinning, the electrostatic spinning fibers are uniformly deposited on the surface of the gelatinous gelatin, and the gelatin / fiber composite antibacterial film with the electrostatic spinning fibers firmly attached to the surface is obtained after drying, and has excellent mechanical properties and barrier properties. The antibacterial essential oil-loaded nano-cyclodextrin MOFs material is added into the electrostatic spinning fiber, so that the composite film is endowed with lasting antibacterial and fresh-keeping characteristics.

The invention relates to the use of gelatin and a cross-linking agent to provide a medical glue which forms a cross-linked gelatin gel in an area of application of the human or animal body. According to the invention, (i) the gelatin and the cross-linking agent are mixed with each other to form the cross-linking medical glue which is then administered to the area of application; or (ii) the gelatin and the cross-linking agent are made available in separate form and are administered, simultaneously or one after the other, to the area of application while forming the cross-linking medical glue.

The purpose of the present invention is to provide: an eel-like food having excellent texture and flavor, such as eel, and a method of producing the eel-like food. Also, the purpose of the present invention is to provide a frozen eel-like food for frozen foods, which uses the eel-like food, a vacuum-freeze-dried eel-like food for ready-to-eat foods, which can be restored in hot water, and a methodof producing the vacuum-freeze-dried eel-like food. The present invention addresses the problem of providing an eel-like food in which a body layer comprising a layer containing protein raw material,starch, and fat is bonded to a skin layer comprising a heat-resistant gelatin gel layer. Furthermore, a frozen eel-like food can be provided by freezing the eel-like food, and a vacuum freeze-dried eel-like food can be provided by freezing and vacuum freeze-drying the eel-like food.

A preparation method of gelatin-stearic acid composite gel belongs to the technical field of functional materials, which can solve the problem of defects in the prior art when gelatin and stearic acid are used alone. A certain mass fraction of gelatin aqueous solution is heated and dissolved, and then Stearic acid with a certain mass ratio (gelatin:stearic acid) is added to the co-solvent ethylene glycol to dissolve the stearic acid, and the two are fully stirred and mixed evenly, and finally a certain amount of cross-linking agent citric acid is added to react at 60°C for a certain period of time , and then, utilize freezing-thawing method to obtain gelatin-stearic acid composite gel. The gel of the present invention can combine gelatin and stearic acid organically, and the prepared gel is uniform, and its mechanical strength is increased compared with that of pure gelatin gel; the raw materials used are all intermediate products of biological metabolism, have good biocompatibility, and are nontoxic; The process is simple and the conditions are mild, and it can be used as a slow-release drug carrier, tissue engineering material, etc., expanding the application range of gelatin.

The invention discloses a silk protein / gelatin composite material, which is prepared by a method comprising the following steps: immersing silkworm cocoons in a soap salt solution for degumming, drying to make degummed silk, dissolving the degummed silk in a lithium bromide solution, and dialysis for desalting , concentrated to make a silk protein solution; mix the silk protein solution with the gelatin solution, add horseradish peroxidase, hydrogen peroxide solution and transglutaminase, and form a gel after mixing to obtain a silk protein / gelatin gel; The silk protein / gelatin gel is respectively soaked in alcohol and ammonium sulfate solution to obtain a silk protein / gelatin cross-linked gel, which is then dried. The silk protein / gelatin composite material can be used to prepare internal fixation systems used in trauma orthopedics and maxillofacial plastic surgery, and has high industrial production and clinical application prospects.

The invention belongs to the field of tissue engineering scaffold materials, and provides a bionic composite scaffold material doped with graphene and an establishment method of the bionic composite support material. The establishment method comprises the following steps: firstly preparing a Cs acetic acid solution, a GP aqueous solution, a Gel aqueous solution and a graphene suspension, and thenmixing the Cs acetic acid solution and the GP aqueous solution to prepare a Cs / GP solution A; adding the Gel aqueous solution into the Cs / GP solution A to prepare a Cs / GP / Gel solution B; and adding the graphene suspension into the Cs / GP / Gel solution B to prepare a Cs / GP / Gel / Gr solution C, transferring the solution C into a low-temperature mold, freeze drying at a low temperature, and performing the subsequent treatment, thus obtaining the bionic cartilage composite support material. A mass ratio of chitosan Cs to beta-sodium glycerophosphate GP to gelatin Gel to graphene Gr in the bionic cartilage composite scaffold material is 1: (5 to 20): (1 to 5): (0.02 to 0.08). The bionic composite scaffold material has the advantages of simple process, easy control and low production cost; and a produced support product is uniform in porosity, has an inter-connective pore structure and has an excellent bionic effect.

The invention relates to intelligent optical hydrogel and a preparation method thereof. The hydrogel comprises acrylamide, acrylic acid, (E)-N-(4-(2-(2-hydroxybenzylidene)-formylhydrazino)phenyl)methacrylamide, gelatin and aluminum ions, wherein the mass of the (E)-N-(4-(2-(2-hydroxybenzylidene)-formylhydrazino)phenyl)methacrylamide is 1%-3% of the mass of the acrylamide, the mass of the acrylic acid is 10%-20% of the mass of the acrylamide, and the mass of the gelatin is 32%-48% of the total solid content. According to the hydrogel disclosed by the invention, the acrylic acid subjected to metal complexing copolymerization and the (E)-N-(4-(2-(2-hydroxybenzylidene)-formylhydrazino)phenyl)methacrylamide (HHPMA) are utilized to form a polymer network, and gelatin is used as an auxiliary material for gelatinization, so that a semi-interpenetrating structure is obtained; the hydrogel has the advantages of intelligent fluorescence responsiveness, excellent shape memory ability and good self-repairability.

The present invention relates to a gelatin product comprising a core component, wherein the core component is encased partially or fully by a gelatin gel. The gelatin gel is produced from a homogeneous casting compound containing the following constituents dissolved in water:3 to 20 wt % of gelatin having a mean molecular weight, determined by gel chromatography, of at least 130 kDa, wherein the proportion of the molecular weight fraction above 100 kDa is at least 35 wt %;up to 60 wt % of glucose syrup with a viscosity of less than 1000 mPa·s, measured with a dry matter content of 80 wt % and at a temperature of 60° C.; andup to 60 wt % of sucrose,wherein the casting compound comprises a dry matter content of at least 70 wt %.