109 results about "Gel based" patented technology

The invention belongs to the technical field of high voltage and insulation, and relates to an XLPE breakdown field strength evaluation method and system based on gel content and preparation process, and the method comprises the following steps: S1, sampling, weighing, shearing and bagging; s2, extracting, weighing and calculating the gel content; s3, constructing an evaluation model; s4, predicting the breakdown field intensity; according to the technical scheme, the physical model fusing the cross-linking enhancement effect and the thermal damage effect is constructed, the breakdown field strength is predicted based on the physical model, accurate and rapid evaluation of the XLPE insulation performance under different process conditions can be achieved only through a small amount of breakdown test data calibration model, dependence on a traditional destructive electrical test is remarkably reduced, and the reliability of the XLPE insulation performance is improved. The test cost is greatly reduced, the research and development period is greatly shortened, and an effective tool is provided for cable insulation material performance analysis and production process optimization.

The invention discloses oyster-soybean compound protein gel constructed based on low-temperature synergy as well as a preparation method and application of the oyster-soybean compound protein gel, and belongs to the technical field of functional foods. The composite gel is formed by oyster protein and soybean protein isolate through low-temperature stabilization, medium-temperature construction and thermal induction treatment. The preparation method comprises the following steps: preparing an oyster protein suspension; preparing a soybean protein isolate suspension; the oyster protein suspension and the soybean protein isolate suspension are mixed, stirred and left to stand, a gel structure is preliminarily constructed and then subjected to thermal induction curing treatment, and after the thermal induction curing treatment is finished, the oyster-soybean compound protein gel is formed through storage at low temperature and can be used in the field of food processing. The oyster protein and the soybean protein isolate are combined, so that the composite gel has excellent gel strength, smooth texture and long-acting storage stability, no organic chemical reagent or food additive is used in the preparation process, the formula safety is ensured, the process is simple and convenient, and the composite gel shows huge application value and industrialization prospect.

The invention discloses a cement-water glass gel strength evaluation method and system based on big data. The method comprises the steps of data acquisition, feature mapping, hidden variable estimation, hybrid model training, interpretability output and strength evaluation. The invention relates to the technical field of intelligent evaluation of materials, in particular to a cement-water glass gel strength evaluation method and system.The cement-water glass gel strength evaluation method based on big data comprises the steps that persistent coherent information is converted into continuous persistent images with physical weights and discretized into vectors, and differentiable microcosmic features are constructed in combination with spectral peak features, porosity and particle size; by taking generalized Afframi dynamics as a skeleton, mapping microscopic characteristics into kinetic parameters, introducing temperature and humidity coupling, and realizing online estimation and uncertainty quantification of gel reactivity by combining extended Kalman filtering; a hybrid model of physical prior and neural network correction is constructed, and physical constraint and data-driven training are combined, so that the accuracy, physical consistency and generalization ability of evaluation are improved.

The invention relates to the technical field of pharmaceutical preparations, in particular to composite condensing gel based on photodynamic therapy and a preparation method of the composite condensing gel. The preparation method of the composite condensate gel based on photodynamic therapy comprises the following steps: preparing a BSA (Bovine Serum Albumin) solution, uniformly mixing an inulin mother solution with the BSA solution, adjusting the pH value, heating in a water bath, cooling to room temperature, adding 5-aminolevulinic acid methyl ester hydrochloride into the condensate gel, adding an acid coagulant, diluting, and filling CO2 gas. According to the invention, CO2 is added into the composite condensation gel, so that the binding force of hemoglobin and O2 in tissues absorbing the composite condensation gel is reduced, and the concentration of free oxygen is improved, so that the composite condensation gel can transfer energy to surrounding oxygen and generate singlet oxygen with strong activity, thereby killing cancer cells and achieving the effect of improving the curative effect of photodynamic therapy.

The invention discloses oil gel based on hermetia illucens oil as well as a preparation method and application of the oil gel, and relates to the technical field of biological medicines. According to the oil gel based on the hermetia illucens oil, the hermetia illucens oil is used as a grease matrix, and a stable lipid network structure is constructed by combining monoglyceride from hermetia illucens and vegetable wax. The hermetia illucens oil is derived from an animal lipid metabolism system, the fatty acid chain length distribution, the polarity characteristic and other aspects of the hermetia illucens oil are highly similar to those of a human skin cuticle lipid system, a continuous lipid covering layer can be formed on the surface of a burn wound, and the wound barrier condition is effectively improved; meanwhile, antioxidant fat-soluble components contained in the hermetia illucens oil are beneficial to reducing the local oxidative stress level of the wound surface and improving the microenvironment of the wound surface. The oleogel provided by the invention is suitable for external nursing of burn wounds, has dual functions of bionic barrier construction and antioxidant synergistic regulation, and can provide a novel and efficient biomedical material for burn wound repair.

The application discloses a silicon carbide part preparation method based on gel injection molding, and steps include: mixing and ball-milling silicon carbide powder, carbon black, phenolic resin, solvent, dispersing agent and acrylic crosslinking agent to obtain first slurry; adding curing agent to the first slurry, continuing ball-milling, and removing bubbles to obtain second slurry; pouring the second slurry into a polypropylene mold, curing, and demolding to obtain a wet blank; drying and sintering the wet blank to obtain a silicon carbide part. The method has high uniformity, low defect control and complex shape manufacturing capacity, can be used for preparing large-size silicon carbide devices, and is suitable for industrial large-scale production. Phenolic resin and acrylic crosslinking agent are used as binders, gradient curing can be performed to prevent particle sedimentation, uniform blanks can be generated, and nano-carbon can be generated by pyrolysis of phenolic resin, which can fill pores, inhibit the formation of silicon points, and in-situ generate nano-silicon carbide, so that the density and mechanical properties of the sintered body are significantly improved.

The invention discloses oleogel based on egg white protein, preparation of the oleogel and application of the oleogel in improving the gel strength of Peru squid surimi. The self-prepared egg white powder oleogel is added into the squid surimi as a fat analogue. Experiments prove that the squid surimi gel is beneficial to promoting the network structure of the surimi gel, so that the hardness of the surimi gel is increased, the water holding capacity is improved, the total concentration of flavor compounds is increased, the proportions of alcohols and aldehydes are reduced, and hydrocarbon and aromatic compounds are increased. The application of the oil gel as a fat substitute in the minced fillet gel has great potential. And healthy, low-fat and flavor-enhanced surimi gel products can be developed in the future.

This invention discloses a method for preparing high-strength locust bean gum gel based on magnetized water, belonging to the field of food and materials science and technology. The method first magnetizes deionized water under a magnetic field strength of 300-500 mT to obtain magnetized water; then, using this magnetized water as a solvent, locust bean gum powder is dispersed, and after heating to swell and cooling to stand, a gel is formed. This invention modifies the solvent water through physical magnetization technology, significantly improving the gel strength, water retention, and thermal stability of locust bean gum gel without adding any chemical reagents. The process is green, safe, simple to operate, and low in cost, showing broad application prospects in the food industry, pharmaceutical carriers, and other fields.

This invention discloses a Pickering emulsion gel based on drug-excipient integration, its preparation method, and its application. The method includes: adding ethylene glycol chitosan to a whey protein solution, stirring until homogeneous, then adding glycyrrhizin and stirring to obtain a whey protein-ethylene glycol chitosan-glycyrrhizin composite solution; mixing Gastrodia elata volatile oil and clove oil, and ultrasonically homogenizing to obtain an oil phase; adding the oil phase to the whey protein-ethylene glycol chitosan-glycyrrhizin composite solution, and emulsifying by high-speed shearing to obtain an emulsion; then refrigerating the emulsion to induce whey protein denaturation and gelation, forming a Pickering emulsion gel. Based on the concept of "drug-excipient integration," this invention uses whey protein as a particle stabilizer and the main active ingredients, Gastrodia elata volatile oil and clove oil, as the mixed oil phase, reducing the amount of excipients. Through screening the aqueous phase of the emulsion gel, the prepared Pickering emulsion gel has a dense texture, high stability, and a sustained-release effect on the active ingredients, achieving a long-lasting sleep-improving effect.

The invention relates to the technical field of fluorescent gel, and discloses a method for predicting stimulation response performance of poly-eutectic fluorescent gel based on machine learning, which comprises the following steps of: acquiring, constructing and preprocessing characteristic data such as chemical composition and microstructure of the poly-eutectic fluorescent gel; and performing physical, chemical and biological stimulation response performance prediction on the co-melting fluorescent gel according to the pre-processed co-melting fluorescent gel training data set. Compared with a traditional method, the method has the advantages of low cost, safe experiment and fast effect output, and has the advantages of high precision of quantitative prediction and high-dimensional nonlinear problem processing.

The invention discloses a zinc plating process based on PAA gel polymer electrolyte electroplate liquid, the electroplate liquid is a ternary system composed of a polymer skeleton, a metal salt and a liquid plasticizer, the polymer skeleton is polymerized by an acrylic monomer, is modified by polyhedral oligomeric silsesquioxane, and then forms a three-dimensional network structure through crosslinking; pores of the three-dimensional net-shaped structure of the polymer skeleton are filled with a liquid plasticizer dissolved with metal salt, a plating piece is subjected to pre-plating treatment, then the electroplating liquid is attached to the surface of the plating piece, a zinc metal sheet is pressed on the outer surface of the other side of the electroplating liquid, the structure of a Zn PAA electroplating liquid plating piece is formed through pressing, a power source anode is connected with the zinc metal sheet, and a power source cathode is connected with the plating piece; and electrifying for electroplating. A polymer chain in the electrolyte not only can be coordinated with Zn through a zinc-philic functional group to provide a uniform transmission channel, but also can reconstruct a hydrogen bond network among water molecules, and the chain-liquid synergistic effect can optimize a solvation structure of zinc ions and effectively inhibit side reactions.

The invention discloses a strong shading gel eye protection patch and a preparation method thereof, and relates to the field of biomedical materials.The eye protection patch comprises a polyvinyl alcohol gel substrate and superfine graphite powder evenly dispersed in the polyvinyl alcohol gel substrate, the gel substrate further comprises glycerol serving as a plasticizer, and the thickness of the gel eye protection patch is 3 mm; the preparation method comprises the following steps: dissolving polyvinyl alcohol in preheated deionized water, adding graphite powder, stirring and dispersing, adding glycerol, stirring to form a uniform suspension, injecting the suspension into a mold, carrying out freezing and thawing cycle treatment of-80 DEG C freezing and room temperature thawing for 1-3 times, and demolding to obtain the eye protection patch. The product is low in light transmittance, can be tightly attached to the periphery of eyes, and effectively obstructs strong light in laser treatment; meanwhile, the eyeshade is soft and hydrophilic in texture, comfortable and breathable to wear, free of oppression and stuffiness of a traditional rope type eyeshade, mild in preparation process, good in biocompatibility and suitable for clinical application and popularization.

Gel-based subterranean formation hardening compositions and methods thereof may comprise introducing an aqueous carrier fluid comprising a gel and an ammonium phosphate salt into a subterranean formation comprising a carbonate mineral; and interacting the carbonate mineral with the ammonium phosphate salt to convert at least a portion of the carbonate mineral into a hydroxyapatite mineral; wherein the subterranean formation has an increased hardness after forming the hydroxyapatite mineral.

The invention discloses flexible amyloid fiber gel based on albumin and lysozyme as well as a preparation method and application of the flexible amyloid fiber gel, and belongs to the field of delivery of natural high polymer materials and bioactive substances. The method comprises the following steps: respectively preparing ovalbumin fibers (OVAf) and lysozyme fibers (LYZf), mixing according to a volume ratio of 2: 1, adding resveratrol with a final concentration of 100 [mu] mol / L, and incubating at 37 DEG C for 3 h to form flexible gel; according to the gel, ordered crosslinking of fibers is induced through resveratrol, a uniform three-dimensional network is formed, and the gel has good elasticity and flexibility; when being used as a carrier to embed active ingredients such as anthocyanin, the nano-carrier can significantly improve the storage stability and digestion environment tolerance, and has excellent biocompatibility. The invention provides a new scheme for efficient delivery of bioactive components, and can be applied to the fields of functional foods, biological medicines and the like.

The invention relates to the technical field of food, in particular to a method for preparing gel based on succinylation modified rice protein alkali heat induction. The preparation method comprises the following steps: firstly, acylating rice protein by adopting succinic anhydride to prepare rice protein with different acylation degrees; the influence of different alkaline solutions and alkaline environments with different pH values on the performance of inducing the rice protein to prepare the gel is further investigated. Compared with a traditional alkali heat induction process, the brand new rice protein gel preparation process provided by the invention is milder and safer. The application range of the rice protein in the food industry is expanded, and meanwhile, an important foundation is laid for developing safe, nutritional and palatable foods easy to swallow.

The invention belongs to the technical field of new materials, and discloses edible radiation-made cold gel based on a machine learning different-fraction pore structure, a preparation method and application of the edible radiation-made cold gel based on the machine learning different-fraction pore structure. The preparation method comprises the following steps: obtaining the preparation of the edible radiation refrigeration aerogel with the hetero-graded pore structure based on machine learning, optimizing pore diameter parameters by combining with machine learning, simulating the scattering behavior of light in hierarchical pores by using a finite time domain difference (FDTD) method, and constructing the hetero-graded pore structure of gelatin-based aerogel through a freezing-thawing method, thereby finally preparing the edible radiation refrigeration aerogel. Under the condition of not using any chemical cross-linking agent, a stable three-dimensional network structure with micron-nano hierarchical pore channels is constructed only by accurately controlling the thermodynamic process of freezing-freezing-thawing cycle, utilizing water as a green pore-foaming agent (ice template) and relying on the physical effects of hydrogen bonds formed among gelatin molecular chains and the like. The structure is a physical basis for realizing efficient spectrum scattering.

The invention discloses a medical gynecological gel dressing and a preparation method thereof, and relates to the technical field of medical dressings. The medical gel dressing is prepared from the following raw materials: a carbomer homopolymer, glycerol, edetate disodium, triethanolamine, a bacteriostatic agent and purified water, the preparation method of the medical gel dressing comprises a gel matrix preparation step, a mixing I step, a mixing II step, a mixing III step, a mixing IV step, a homogenizing step and a quality inspection step, the temperature is low in the material dissolving process, carbomer homopolymers are not prone to being decomposed and deteriorated, the stability of the gel structure is easily maintained, the preparation technology is simple, and the medical gel dressing is suitable for being used for preparing medical gel dressing materials. The probability of excessive swelling, degradation or local gel curing of the carbomer homopolymer can be reduced, and the biocompatibility of the gel dressing is improved.

This invention belongs to the field of food processing technology, specifically relating to a processing technology for low-fat meat products based on gelation technology. The process includes: dispersing polysaccharide gel components and microcrystalline cellulose in water, heating to swell, and then cooling to form a composite gel system; introducing air bubbles through mechanical stirring and controlling temperature to solidify and form a porous gel; improving pore wall stability through low-temperature regulation and gel aging treatment; obtaining micron-sized porous gel particles through low-shear granulation; vacuum impregnating a high-viscosity hydrophilic polysaccharide solution with shear-thinning properties under reduced pressure; mixing the obtained porous gel particles with minced meat, shaping, and heating to obtain the low-fat meat product. This invention, by constructing a porous gel structure to store lubricating factors, achieves gradual release during chewing. Without adding any exogenous oils, the coefficient of friction is reduced by more than 20%, effectively solving the technical problems of dry texture and poor lubricity in low-fat meat products, and has good industrial application prospects.

The invention relates to easy-to-swallow minced fillet gel based on the synergistic effect of pea protein isolate and protease as well as a preparation method and application of the easy-to-swallow minced fillet gel. Specifically, the invention provides the preparation method of the surimi gel easy to swallow, and the preparation method comprises the following steps: mixing a surimi raw material with alkaline protease, then adding pea protein isolate, and then carrying out heating gelation to obtain the surimi gel easy to swallow, wherein the addition amount of the alkaline protease accounts for 0.1%-0.4% of the mass of the surimi raw material, and the addition amount of the pea protein isolate accounts for 5%-20% of the mass of the surimi raw material. The minced fillet gel provided by the invention is soft in texture, conforms to the dysphagia food standard (such as IDDSI level 6), is balanced in protein nutrition and easy to digest and absorb, and overcomes the defects that the existing dysphagia food is single in nutrition, and texture regulation and control and nutrient enrichment are difficult to cooperate.

The application relates to the technical field of colloid material preparation, and discloses a preparation process of a medical cosmetic repair gel, which comprises the following steps: 1) preparing a traditional Chinese medicine preparation liquid, a gel base and a humectant; and 2) respectively injecting the traditional Chinese medicine preparation liquid, the gel base and the humectant into first, second and third stirring cavities for respectively and independently pre-mixing. The materials are respectively and independently mixed and stirred in advance, the uniformity of the mixed materials of various properties is ensured, precipitation or stratification is avoided, the uniformity of the classified materials is maintained by pre-mixing the materials before main mixing, the preparation quality of the medical cosmetic gel is ensured, the classified processing of a total process is utilized, the main mixing of the classified materials is utilized, and the medical cosmetic gel is convenient for pipeline operation, the overall preparation process difficulty of the medical cosmetic gel is effectively reduced, and the preparation efficiency of the medical cosmetic gel is improved.

The invention relates to a micro-nano particle for composite electroplating and a preparation method of the micro-nano particle. The micro-nano particle sequentially comprises a microsphere, a gel layer and a nanowire from inside to outside, the nanowires are distributed on the surface of the gel layer; the gel layer comprises pH sensitive gel and / or temperature sensitive gel. According to the method, the gel component is introduced during preparation of the micro-nano particles, and the property of gel is changed by adjusting local environment conditions in the electroplating process on the basis of the sensitive characteristic of the gel material to external environment change, so that the deposition behavior of the micro-nano particles is regulated in real time, and a plating layer is endowed with complex performance; and a new solution is provided for preparation of the high-performance composite electroplated layer.

The invention discloses salt-reduced but saltiness-reduced surimi gel based on lily powder replacing table salt and a preparation method thereof, and relates to the technical field of surimi product processing. According to the preparation method of the surimi gel provided by the invention, in the process of preparing the surimi gel, lily powder is added into surimi instead of a part of table salt. The method solves the technical problems that the existing minced fillet gel salt reducing process cannot ensure the minced fillet gel performance at the same time, the cost is high and the like; according to the method, the sodium salt content is reduced, and the gel performance indexes such as the gel strength, the texture characteristic, the water binding capacity and the microstructure can be ensured while the sensory and salinity indexes of the minced fillet gel are not obviously changed, so that the substitution effect of the lily powder on the sodium chloride is explored, and a new technical approach is provided for quality regulation and control of low-salt minced fillet products.

The invention provides complex gel based on enteromorpha prolifera insoluble dietary fiber (IDF), sodium alginate (SA) and pea protein (PPI), a preparation method of the complex gel and application of the complex gel in aquatic products. The complex gel comprises the following components in percentage by mass: 0-3% of enteromorpha prolifera IDF, 2.5% of SA, 3% of PPI, 1-2% of gluconic acid-delta-lactone (GDL) and the balance of water. By introducing IDF, the mechanical property and the moisture retention capacity of the gel are remarkably improved, the fresh-keeping effect of food is enhanced, and the shelf life is prolonged; all-natural degradable materials are adopted, safety and environmental protection are achieved, and the concept of green and sustainable development is met; an optimized gel formula and a preparation process enable the hydrogel to have good mechanical property, structural stability and barrier property, and meanwhile, the protective effect on aquatic food is improved; the method is simple and controllable in cost, can be widely applied to preservation of foods such as aquatic products and the like, and has a remarkable market application prospect.

The invention provides composite gel based on enteromorpha prolifera insoluble dietary fiber (IDF), sodium alginate (SA) and euphausia superba protein (AKP), a preparation method of the composite gel and application of the composite gel in fruit and vegetable preservation. The composite gel is prepared from the following components in percentage by mass: 0 to 3 percent of enteromorpha prolifera IDF, 2.5 percent of SA, 4 percent of AKP, 1 to 2 percent of gluconic acid-delta-lactone (GDL) and the balance of water. Through synergistic crosslinking of enteromorpha IDF, SA and AKP, gel network compactness and film forming stability are improved, gentle acidification gel forming is realized by means of GDL, no exogenous calcium ions and chemical crosslinking agents are added in the whole process, and the enteromorpha IDF gel is green, safe and edible. The coating liquid is used for preservation of strawberries and can effectively lock water and block microorganisms and oxygen under the conditions that the temperature is 24-26 DEG C and the relative humidity is 75-85%, after the strawberries are stored for 8 days, the rot index of the strawberries is smaller than or equal to 65%, the weight loss rate is smaller than or equal to 13%, and quality deterioration is remarkably delayed. The method is simple and convenient in process and controllable in cost, can be adapted to berry fruits and vegetables such as blueberries, cherries and tomatoes besides strawberries, and has good industrial application prospects and environmental protection benefits.

This paper describes a method for producing a sterile in-situ gel based on solvent removal technology, and the resulting product. Compared to conventional aseptic manufacturing methods for in-situ gel formulations, this method adds a volatile solvent during production to reduce the viscosity of the formulation solution, facilitating filtration and sterilization. The volatile solvent can then be removed by various methods without adversely affecting the final in-situ gel formulation. Research data shows that the volatile solvent residues in in-situ gel formulations produced using this method meet safety standards. Compared to formulations produced using the conventional radiation sterilization method, the types and amounts of degradation impurities in the polymer and active pharmaceutical ingredients are both reduced, further improving the safety of the formulation.

This invention discloses a low-salt Antarctic krill surimi gel and its preparation method based on the synergistic construction of ultra-high pressure pretreatment and sodium brine gel post-filling, belonging to the field of aquatic food processing technology. The method first constructs a sodium brine gel using chickpea protein, pullulan, and salt, then prepares Antarctic krill surimi with a low total salt content. The low-salt surimi is pretreated under ultra-high pressure at 300-450 MPa, followed by the addition of sodium brine gel and low-temperature chopping. After pre-geling at 35-45 ℃ and heat-curing at 85-95 ℃, a composite surimi gel is obtained. This process allows ultra-high pressure to primarily act on the myofibril proteins of Antarctic krill, with the brine-loaded gel serving as the subsequent network filling phase and sodium brine gel. + The locally enriched phase is dispersed in the continuous gel network, which simultaneously improves gel strength, water retention, texture and saltiness perception without increasing the total sodium content. It is suitable for low-salt shrimp paste, shrimp sausage and ready-to-eat shrimp paste products.

The present invention relates to a coated cooking element (1) for a cooking article or electric cooking appliance, comprising a metallic substrate (2) coated on at least one face (2a) by a coating (3) consisting of the following layers and in this order from the metallic substrate (2): (3a) a sol-gel base layer obtained from at least one sol-gel mixture (SG) comprising a metal alkoxide precursor having an aliphatic chain comprising at least one unsaturation and / or substituted by a thiol group, (3b) optionally one or more discontinuous intermediate layer(s) which may be decorations,and (3c) a topcoat at least partially in contact with layer (3a) and comprising a silicone elastomer obtained from at least one organopolysiloxane bearing reactive vinyl (-CH=CH2) functions and at least one other organopolysiloxane bearing reactive silyl hydride (-Si-H) or reactive thiol (-SH) functions, wherein, when the silicone elastomer of layer (3c) is obtained from at least one organopolysiloxane bearing reactive thiol (-SH) functions, the metal alkoxide precursor of layer (3a) has an aliphatic chain comprising at least one unsaturation and which may further be substituted by a thiol (-SH) group. Figure for abbreviation: Figure 1,

The present invention relates to a coated cooking element (1) for a cooking article or electric cooking appliance, comprising a metallic substrate (2) coated on at least one face (2a) by at least the following layers and in this order from the metallic substrate (2): (3a) a sol-gel base layer; (3b) optionally one or more intermediate layer(s) which may be decorations;(3c) a sol-gel layer obtained from a sol-gel mixture (SG) comprising a metal alkoxide precursor having an aliphatic chain comprising at least one unsaturation and / or substituted with a thiol group, and (3d) a topcoat in contact with layer (3c) and comprising a silicone elastomer obtained from at least one organopolysiloxane bearing reactive vinyl functions (-CH=CH2) and at least one other organopolysiloxane bearing reactive silyl hydride functions (-Si-H) or reactive thiol functions (-SH), wherein, where the silicone elastomer of layer (3d) is obtained from at least one organopolysiloxane bearing reactive thiol functions (-SH), the metal alkoxide precursor of layer (3c) has an aliphatic chain comprising at least one unsaturation and which may further be substituted with a thiol group thiol (-SH). Figure for abbreviation: Figure 1;

The application provides a recombinant type III humanized collagen gel based on macromolecular crowding effect and a preparation method and application thereof. First, an rhCol III solution system is prepared; then a macromolecular crowding bath containing dextran 70, polyethylene glycol 8000 and ascorbic acid is prepared; then the rhCol III solution is added into the macromolecular crowding bath to form rhCol III microgel; finally, a 3D printing molecular exclusion mold system with agarose as a base, containing functional additives and a temperature-sensitive polymer as a temperature-sensitive release and space-restricted component is constructed to realize directional construction of the rhCol III microgel. The application realizes physical gelation of the rhCol in seconds (<15 s) and constructs a physiological microenvironment supporting cell proliferation. The recombinant type III humanized collagen gel prepared by the application can be used for preparing collagen microgel balls, collagen bundles, 3D biological printing and other products, and has a wide range of applications.

The invention belongs to the technical field of nuclear waste treatment, and particularly relates to acidified cellulose-based composite gel based on ternary ligand synergy as well as a preparation method and application of the acidified cellulose-based composite gel. The acidified cellulose-based composite gel takes acidified cellulose as a porous substrate and is loaded with a ternary ligand compound; the ternary ligand compound is prepared from hexacyanocobaltate, tetraphenyl borate and a chalcogenide ligand. Through collaborative design of ternary ligands and structural optimization of the acidified cellulose-based gel, the three technical bottlenecks of low selectivity, weak interference resistance and poor reproducibility of a traditional cesium adsorption material are systematically solved, high efficiency, stability and environmental friendliness are achieved, and a subversive solution is provided for nuclear wastewater treatment.