CN107029290A - A kind of fibroin tissue renovation material containing microcapsules - Google Patents
A kind of fibroin tissue renovation material containing microcapsules Download PDFInfo
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- CN107029290A CN107029290A CN201710206342.2A CN201710206342A CN107029290A CN 107029290 A CN107029290 A CN 107029290A CN 201710206342 A CN201710206342 A CN 201710206342A CN 107029290 A CN107029290 A CN 107029290A
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- fibroin
- solution
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- material containing
- containing microcapsules
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- 108010022355 Fibroins Proteins 0.000 title claims abstract description 85
- 239000000463 material Substances 0.000 title claims abstract description 35
- 239000003094 microcapsule Substances 0.000 title claims abstract description 32
- 238000009418 renovation Methods 0.000 title claims abstract description 20
- 239000002121 nanofiber Substances 0.000 claims abstract description 27
- HEFNNWSXXWATRW-UHFFFAOYSA-N Ibuprofen Chemical compound CC(C)CC1=CC=C(C(C)C(O)=O)C=C1 HEFNNWSXXWATRW-UHFFFAOYSA-N 0.000 claims abstract description 19
- 239000000284 extract Substances 0.000 claims abstract description 18
- 239000000126 substance Substances 0.000 claims abstract description 15
- 229960001680 ibuprofen Drugs 0.000 claims abstract description 14
- 239000011148 porous material Substances 0.000 claims abstract description 10
- 229920002101 Chitin Polymers 0.000 claims abstract description 9
- 239000002994 raw material Substances 0.000 claims abstract description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 28
- 238000000034 method Methods 0.000 claims description 25
- 239000000706 filtrate Substances 0.000 claims description 24
- 238000009987 spinning Methods 0.000 claims description 16
- 239000012141 concentrate Substances 0.000 claims description 12
- 239000012153 distilled water Substances 0.000 claims description 11
- 238000000967 suction filtration Methods 0.000 claims description 11
- 238000000605 extraction Methods 0.000 claims description 9
- 238000010992 reflux Methods 0.000 claims description 9
- 239000008367 deionised water Substances 0.000 claims description 8
- 229910021641 deionized water Inorganic materials 0.000 claims description 8
- AMXOYNBUYSYVKV-UHFFFAOYSA-M lithium bromide Chemical compound [Li+].[Br-] AMXOYNBUYSYVKV-UHFFFAOYSA-M 0.000 claims description 8
- 238000003760 magnetic stirring Methods 0.000 claims description 8
- 238000010041 electrostatic spinning Methods 0.000 claims description 6
- 230000008569 process Effects 0.000 claims description 6
- 238000003756 stirring Methods 0.000 claims description 6
- 241000255789 Bombyx mori Species 0.000 claims description 5
- 238000003860 storage Methods 0.000 claims description 5
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 claims description 4
- 238000009835 boiling Methods 0.000 claims description 4
- 238000005119 centrifugation Methods 0.000 claims description 4
- 238000000502 dialysis Methods 0.000 claims description 4
- 238000004945 emulsification Methods 0.000 claims description 4
- 239000003995 emulsifying agent Substances 0.000 claims description 4
- 239000000839 emulsion Substances 0.000 claims description 4
- 239000000835 fiber Substances 0.000 claims description 4
- 239000003517 fume Substances 0.000 claims description 4
- 239000000499 gel Substances 0.000 claims description 4
- 239000000843 powder Substances 0.000 claims description 4
- 239000003643 water by type Substances 0.000 claims description 4
- 238000004804 winding Methods 0.000 claims description 4
- 229910000029 sodium carbonate Inorganic materials 0.000 claims description 2
- 230000015572 biosynthetic process Effects 0.000 claims 1
- 238000004821 distillation Methods 0.000 claims 1
- 239000007788 liquid Substances 0.000 claims 1
- 230000014759 maintenance of location Effects 0.000 claims 1
- 210000000056 organ Anatomy 0.000 abstract description 8
- 230000017423 tissue regeneration Effects 0.000 abstract description 8
- 230000000694 effects Effects 0.000 abstract description 5
- 230000006870 function Effects 0.000 abstract description 5
- 239000012620 biological material Substances 0.000 abstract description 4
- 230000008827 biological function Effects 0.000 abstract description 2
- 230000006378 damage Effects 0.000 abstract description 2
- 230000001737 promoting effect Effects 0.000 abstract description 2
- 230000008439 repair process Effects 0.000 abstract description 2
- 239000000243 solution Substances 0.000 description 61
- 210000001519 tissue Anatomy 0.000 description 20
- 238000001035 drying Methods 0.000 description 3
- 238000007654 immersion Methods 0.000 description 3
- 239000012460 protein solution Substances 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 2
- 230000001741 anti-phlogistic effect Effects 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 230000010261 cell growth Effects 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052708 sodium Inorganic materials 0.000 description 2
- 239000011734 sodium Substances 0.000 description 2
- 108010022579 ATP dependent 26S protease Proteins 0.000 description 1
- 241000233866 Fungi Species 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- -1 amino, carboxyl Chemical group 0.000 description 1
- 230000000844 anti-bacterial effect Effects 0.000 description 1
- 230000003110 anti-inflammatory effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000023555 blood coagulation Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 230000009881 electrostatic interaction Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000012010 growth Effects 0.000 description 1
- 230000023597 hemostasis Effects 0.000 description 1
- 241000411851 herbal medicine Species 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 210000004872 soft tissue Anatomy 0.000 description 1
- 238000010025 steaming Methods 0.000 description 1
- 230000000451 tissue damage Effects 0.000 description 1
- 231100000827 tissue damage Toxicity 0.000 description 1
- 230000002792 vascular Effects 0.000 description 1
Classifications
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- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L27/00—Materials for grafts or prostheses or for coating grafts or prostheses
- A61L27/14—Macromolecular materials
- A61L27/22—Polypeptides or derivatives thereof, e.g. degradation products
- A61L27/227—Other specific proteins or polypeptides not covered by A61L27/222, A61L27/225 or A61L27/24
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- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L27/00—Materials for grafts or prostheses or for coating grafts or prostheses
- A61L27/14—Macromolecular materials
- A61L27/20—Polysaccharides
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- A61L27/00—Materials for grafts or prostheses or for coating grafts or prostheses
- A61L27/36—Materials for grafts or prostheses or for coating grafts or prostheses containing ingredients of undetermined constitution or reaction products thereof, e.g. transplant tissue, natural bone, extracellular matrix
- A61L27/3637—Materials for grafts or prostheses or for coating grafts or prostheses containing ingredients of undetermined constitution or reaction products thereof, e.g. transplant tissue, natural bone, extracellular matrix characterised by the origin of the biological material other than human or animal, e.g. plant extracts, algae
-
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- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L27/00—Materials for grafts or prostheses or for coating grafts or prostheses
- A61L27/50—Materials characterised by their function or physical properties, e.g. injectable or lubricating compositions, shape-memory materials, surface modified materials
- A61L27/54—Biologically active materials, e.g. therapeutic substances
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- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L27/00—Materials for grafts or prostheses or for coating grafts or prostheses
- A61L27/50—Materials characterised by their function or physical properties, e.g. injectable or lubricating compositions, shape-memory materials, surface modified materials
- A61L27/56—Porous materials, e.g. foams or sponges
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- A61L2300/00—Biologically active materials used in bandages, wound dressings, absorbent pads or medical devices
- A61L2300/20—Biologically active materials used in bandages, wound dressings, absorbent pads or medical devices containing or releasing organic materials
- A61L2300/21—Acids
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- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L2300/00—Biologically active materials used in bandages, wound dressings, absorbent pads or medical devices
- A61L2300/20—Biologically active materials used in bandages, wound dressings, absorbent pads or medical devices containing or releasing organic materials
- A61L2300/30—Compounds of undetermined constitution extracted from natural sources, e.g. Aloe Vera
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- A61L2300/40—Biologically active materials used in bandages, wound dressings, absorbent pads or medical devices characterised by a specific therapeutic activity or mode of action
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- A61L2300/00—Biologically active materials used in bandages, wound dressings, absorbent pads or medical devices
- A61L2300/40—Biologically active materials used in bandages, wound dressings, absorbent pads or medical devices characterised by a specific therapeutic activity or mode of action
- A61L2300/41—Anti-inflammatory agents, e.g. NSAIDs
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- A61L2300/00—Biologically active materials used in bandages, wound dressings, absorbent pads or medical devices
- A61L2300/40—Biologically active materials used in bandages, wound dressings, absorbent pads or medical devices characterised by a specific therapeutic activity or mode of action
- A61L2300/412—Tissue-regenerating or healing or proliferative agents
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- A61L2300/00—Biologically active materials used in bandages, wound dressings, absorbent pads or medical devices
- A61L2300/40—Biologically active materials used in bandages, wound dressings, absorbent pads or medical devices characterised by a specific therapeutic activity or mode of action
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- A61L2300/00—Biologically active materials used in bandages, wound dressings, absorbent pads or medical devices
- A61L2300/60—Biologically active materials used in bandages, wound dressings, absorbent pads or medical devices characterised by a special physical form
- A61L2300/602—Type of release, e.g. controlled, sustained, slow
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- A61L2300/00—Biologically active materials used in bandages, wound dressings, absorbent pads or medical devices
- A61L2300/60—Biologically active materials used in bandages, wound dressings, absorbent pads or medical devices characterised by a special physical form
- A61L2300/62—Encapsulated active agents, e.g. emulsified droplets
- A61L2300/622—Microcapsules
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- A61L2400/00—Materials characterised by their function or physical properties
- A61L2400/12—Nanosized materials, e.g. nanofibres, nanoparticles, nanowires, nanotubes; Nanostructured surfaces
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- A61L2430/00—Materials or treatment for tissue regeneration
- A61L2430/34—Materials or treatment for tissue regeneration for soft tissue reconstruction
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Abstract
A kind of fibroin tissue renovation material containing microcapsules, for the membranoid substance comprising fibroin, internal average cell density is 1 3000/mm2, average pore size is 1 500 μm, and described membranoid substance includes the raw material of following parts by weight：110 140 parts of fibroin solutions, 79 parts of fibroin nanofiber solution, the Fen, pivots of ibuprofen slow-release microcapsules 23 store 23 parts of extract solution, 12 parts of chitin.The present invention relates to biomaterial and fibroin field.The biomaterial of the big tissue and complex organ of repairing damage must have the ability for promoting vascularization big tissue and complex organ is had biological function.But it is generally in the prior art simple fibroin albumen repair materials, is extremely difficult to preferable rush vascularization and tissue repair function, and tissue renovation material produced by the present invention has the effect of more preferable tissue repair.
Description
Technical field
The present invention relates to biomaterial and fibroin field, more particularly to a kind of fibroin tissue containing microcapsules is repaiied
Multiple material.
Background technology
Tissue engineering technique is a new tool for being used to treat tissue and organ defect, by biological support, cell, growth
The elements such as the factor are constituted.Wherein, the physical support that biological support is formed as cell growth, propagation and new organization, in tissue
Played an important role in engineering.Organizational project is intended to the 26S Proteasome Structure and Function integrality of restoration and reconstruction damaged tissues or organ, and shows
The present can't solve the reparation of complicated tissue organ.Big tissue, complex organ can pass through small point unlike simple lamellar tissue
Son diffusion obtains nutriment and oxygen, and they need that by huge vascular system nutriment and oxygen could be obtained.Repair
The big tissue and the biomaterial of complex organ damaged again must have the ability for promoting vascularization just to make big tissue and complicated
Organ has biological function.
Fibroin albumen has excellent biocompatibility, degradability, improvability and mechanical stretching performance etc..Fibroin egg
Contain hydroxyl, amino, carboxyl isoreactivity group in white, hydrogen bond, electrostatic interaction, chelating can be passed through with other high molecular polymers
Effect etc. is combined, the superior compound bio timbering material of forming properties.But it is generally simple fibroin albumen material in the prior art
Material, is extremely difficult to preferable rush vascularization and tissue repair function.
The content of the invention
For problems of the prior art, the invention provides a kind of fibroin tissue repair material containing microcapsules
Material, compared with the prior art in simple fibroin material there is more preferable tissue repair function.
In order to solve the above problems, the present invention uses following technical scheme：
A kind of fibroin tissue renovation material containing microcapsules, for the membranoid substance comprising fibroin, the average hole in inside
Density is 1-3000/mm2, average pore size is 1-500 μm, and described membranoid substance includes the raw material of following parts by weight：Silk
110-140 parts of protein solution, 7-9 parts of fibroin nanofiber solution, ibuprofen slow-release microcapsules 2-3 Fen, pivots store extract solution
2-3 parts, 1-2 parts of chitin.
It is preferred that, described ibuprofen slow-release microcapsules are the water that the brufen of 2-3 mass parts is dissolved in 70-80 mass parts
In, and the hydrophilic emulsifier of 1-3 mass parts is added, and emulsion reaction is carried out in the presence of magnetic stirring apparatus and is made, it is described
The stir speed (S.S.) of magnetic stirring apparatus is 1000-3000rpm, and emulsification times are 30-40min.
It is preferred that, described fibroin nanofiber solution is prepared using following methods：Fibroin solutions are taken to be placed in
The half of original volume is concentrated into 60 DEG C of insulating boxs, then is transferred in fume hood and is concentrated into mass fraction and obtains concentrate for 20-30%,
It is 0.5% concentrate to be put into after 4 DEG C of refrigerator storage 2d concentrate is diluted with water into mass fraction, is put after full and uniform stirring
Enter and be incubated in insulating box to the fibroin nanofiber solution for forming translucent gels shape.
It is preferred that, the length of fibroin nanofiber is 1 μm in described fibroin nanofiber solution, a diameter of
10-20nm。
It is preferred that, described fibroin solutions are prepared using following methods：2L deionized waters are heated to boiling, added
4.24g sodium carbonate and 5g silkworm raw silks, boil 30min, after being cleaned up, drying with deionized water, with 9.3mol/L LiBr
Solution dissolves；Solution is loaded into bag filter until completely dissolved, deionized water dialysis 72h, 9000r/min centrifugation 20min is repeated
Twice, fibroin solutions are obtained.
It is preferred that, Suo Shu pivots are stored extract solution and prepared using following methods：Cheng Qu pivots store 20-25g, are ground into coarse powder, plus
Enter the distilled water immersion 1-2h of 10-15 times of its weight, refluxing extraction 1-1.5h, suction filtration obtains filtrate 1；8-10 times is added into filter residue
The distilled water of filter residue weight, refluxing extraction 1-1.5h, suction filtration obtains filtrate 2；The steaming of 8-10 times of filter residue weight is added into filter residue again
Distilled water, refluxing extraction 1-1.5h, suction filtration obtains filtrate 3；Filtrate 1, filtrate 2, filtrate 3 are merged, are 40-50 DEG C, vacuum in temperature
Spend and store 4-6 times of weight for Jian pressures concentration Zhi pivot under the conditions of 0.05-0.08Pa, with three layers of filtered through gauze, that is, pivot of get ing stores extract solution.
It is preferred that, described fibroin solutions are silk fibroin solution.
It is preferred that, described membranoid substance is prepared using following methods：By fibroin solutions and fibroin nanofiber
Solution is mixed, and Jia Ru pivots store the well mixed obtained spinning solution of extract solution, ibuprofen slow-release microcapsules, chitin, and spinning solution is adopted
Three-D non-woven net-structured film is made with electrostatic spinning process.
It is further preferred that described electrostatic spinning process is：Voltage 12-18KV, spinning height 5-10cm, winding speed
100-300rpm, spinning solution flow 2-5ml/h, 50-150 DEG C of heating-up temperature.
It is preferred that, fibre diameter is 50nm-20um in described three-D non-woven net-structured film, and interfiber pore is l-
500um, film thickness is 50nm-20mm.
The beneficial effects of the present invention are：
1) tissue renovation material of the invention is relative to simple fibroin material, for the soft tissue repair material of low modulus
Material, vascularization and tissue repair function are promoted with more preferable.
2) three-dimensional porous material for organizational project must have higher porosity, with interconnected three-dimensional knot
Structure, propagation, migration in order to cell, enough nutriments are provided for the growth of cell.Add after nanofiber, improve
There are nanofibrous structures on the pore-creating character support hole wall of support, the specific surface area of support is considerably increased.
3) addition ibuprofen slow-release microcapsules can cause medicine slowly to be discharged in the material.And add Chinese herbal medicine
Cheng Fen pivots store extract solution, and chitin, further increase the anti-inflammatory of material and the ability of antibacterial.
4) pivot is stored with the effect for accelerating blood clotting hemostasis, also has inhibitory action to some fungies.
Embodiment
With reference to embodiment, the present invention will be further described.
Embodiment 1
A kind of fibroin tissue renovation material containing microcapsules, for the membranoid substance comprising fibroin, the average hole in inside
Density is 1-3000/mm2, average pore size is 1-500 μm, and described membranoid substance includes the raw material of following parts by weight：Silk
110 parts of protein solution, 7 parts of fibroin nanofiber solution, the Fen, pivots of ibuprofen slow-release microcapsules 2 store 2 parts of extract solution, crust
1 part of element.
Described ibuprofen slow-release microcapsules are dissolved in the brufen of 2 mass parts in the water of 70 mass parts, and add 1 matter
The hydrophilic emulsifier of part is measured, emulsion reaction is carried out in the presence of magnetic stirring apparatus and is made, described magnetic stirring apparatus is stirred
Speed is mixed for 1000-3000rpm, emulsification times are 30-40min.
Described fibroin nanofiber solution is prepared using following methods：Fibroin solutions are taken to be placed in 60 DEG C of constant temperature
The half of original volume is concentrated into case, then be transferred in fume hood be concentrated into mass fraction for 20% concentrate, concentrate is put
Enter after 4 DEG C of refrigerator storage 2d and concentrate is diluted with water mass fraction for 0.5%, be put into after full and uniform stirring in insulating box
It is incubated to the fibroin nanofiber solution for forming translucent gels shape.
The length of fibroin nanofiber is 1 μm, a diameter of 10- in described fibroin nanofiber solution
20nm。
Described fibroin solutions are prepared using following methods：2L deionized waters are heated to boiling, 4.24g carbon is added
Sour sodium and 5g silkworm raw silk, boils 30min, molten with 9.3mol/L LiBr solution after being cleaned up, drying with deionized water
Solution；Solution is loaded into bag filter until completely dissolved, deionized water dialysis 72h, 9000r/min centrifugation 20min is repeated twice,
Obtain fibroin solutions.
Suo Shu pivots are stored extract solution and prepared using following methods：Cheng Qu pivots store 20g, are ground into coarse powder, add its weight 10
Distilled water immersion 1h again, refluxing extraction 1h, suction filtration obtains filtrate 1；The distilled water of 8 times of filter residue weight, backflow are added into filter residue
1h is extracted, suction filtration obtains filtrate 2；The distilled water of 8 times of filter residue weight is added into filter residue again, refluxing extraction 1h, suction filtration obtains filtrate 3；
Filtrate 1, filtrate 2, filtrate 3 are merged, temperature be 40 DEG C, vacuum be that Jian pressures concentration Zhi pivot stores weight under the conditions of 0.05Pa
4 times, with three layers of filtered through gauze, that is, pivot of get ing stores extract solution.
Described fibroin solutions are silk fibroin solution.
Described membranoid substance is prepared using following methods：Fibroin solutions are mixed with fibroin nanofiber solution
Close, and Jia Ru pivots store the well mixed obtained spinning solution of extract solution, ibuprofen slow-release microcapsules, chitin, spinning solution uses electrostatic
Three-D non-woven net-structured film is made in spinning technique.
Described electrostatic spinning process is：Voltage 12-18KV, spinning height 5-10cm, winding speed 100-300rpm, spin
Silk flow quantity 2-5ml/h, 50-150 DEG C of heating-up temperature.
Fibre diameter is 50nm-20um in described three-D non-woven net-structured film, and interfiber pore is l-500um, film
Thickness is 50nm-20mm.
Embodiment 2
A kind of fibroin tissue renovation material containing microcapsules, for the membranoid substance comprising fibroin, the average hole in inside
Density is 1-3000/mm2, average pore size is 1-500 μm, and described membranoid substance includes the raw material of following parts by weight：Silk
140 parts of protein solution, 9 parts of fibroin nanofiber solution, the Fen, pivots of ibuprofen slow-release microcapsules 3 store 3 parts of extract solution, crust
2 parts of element.
Described ibuprofen slow-release microcapsules are dissolved in the brufen of 3 mass parts in the water of 80 mass parts, and add 3 matter
The hydrophilic emulsifier of part is measured, emulsion reaction is carried out in the presence of magnetic stirring apparatus and is made, described magnetic stirring apparatus is stirred
Speed is mixed for 1000-3000rpm, emulsification times are 30-40min.
Described fibroin nanofiber solution is prepared using following methods：Fibroin solutions are taken to be placed in 60 DEG C of constant temperature
The half of original volume is concentrated into case, then be transferred in fume hood be concentrated into mass fraction for 30% concentrate, concentrate is put
Enter after 4 DEG C of refrigerator storage 2d and concentrate is diluted with water mass fraction for 0.5%, be put into after full and uniform stirring in insulating box
It is incubated to the fibroin nanofiber solution for forming translucent gels shape.
The length of fibroin nanofiber is 1 μm, a diameter of 10- in described fibroin nanofiber solution
20nm。
Described fibroin solutions are prepared using following methods：2L deionized waters are heated to boiling, 4.24g carbon is added
Sour sodium and 5g silkworm raw silk, boils 30min, molten with 9.3mol/L LiBr solution after being cleaned up, drying with deionized water
Solution；Solution is loaded into bag filter until completely dissolved, deionized water dialysis 72h, 9000r/min centrifugation 20min is repeated twice,
Obtain fibroin solutions.
Suo Shu pivots are stored extract solution and prepared using following methods：Cheng Qu pivots store 25g, are ground into coarse powder, add its weight 15
Distilled water immersion 2h again, refluxing extraction 1.5h, suction filtration obtains filtrate 1；The distilled water of 10 times of filter residue weight is added into filter residue, is returned
Stream extracts 1.5h, and suction filtration obtains filtrate 2；The distilled water of 10 times of filter residue weight is added into filter residue again, refluxing extraction 1.5h, suction filtration is obtained
Filtrate 3；Filtrate 1, filtrate 2, filtrate 3 are merged, temperature be 50 DEG C, vacuum be that Jian pressures concentration Zhi pivot stores under the conditions of 0.08Pa
6 times of weight, with three layers of filtered through gauze, that is, pivot of get ing stores extract solution.
Described fibroin solutions are silk fibroin solution.
Described membranoid substance is prepared using following methods：Fibroin solutions are mixed with fibroin nanofiber solution
Close, and Jia Ru pivots store the well mixed obtained spinning solution of extract solution, ibuprofen slow-release microcapsules, chitin, spinning solution uses electrostatic
Three-D non-woven net-structured film is made in spinning technique.
Described electrostatic spinning process is：Voltage 12-18KV, spinning height 5-10cm, winding speed 100-300rpm, spin
Silk flow quantity 2-5ml/h, 50-150 DEG C of heating-up temperature.
Fibre diameter is 50nm-20um in described three-D non-woven net-structured film, and interfiber pore is l-500um, film
Thickness is 50nm-20mm.
By tissue renovation material (SS) made from tissue renovation material (S) made from embodiment 1, embodiment 2, and by pure silkworm
The performance for the tissue renovation material (SSS) that silk fibroin albumen is made is contrasted, using with identical degree of tissue damage
Small white mouse is tested, and material S, SS and SSS are spread on to the injury site of small white mouse respectively, is changed twice, is continuously used daily
10 days, using observation point system, small white mouse wounded tissue recovery extent is given a mark by 1-5 points respectively, every using effect
Optimal is 5 points, and the experimental data drawn is shown in Table 1.
The resultant effect of table 1 is investigated
| Material | S | SS | SSS |
| Tissue repair degree | 4.6 | 4.8 | 2.7 |
| Antiphlogistic effects | 4.7 | 4.4 | 2.6 |
By experimental result it can be seen that：Fibroin nanofiber, pivots storage, brufen is added into silk fibroin to delay
Release microcapsules and chitin, can effectively lift tissue repairing ability and the antiphlogistic effects of fibroin albumen.
Claims (9)
1. a kind of fibroin tissue renovation material containing microcapsules, for the membranoid substance comprising fibroin, the average Kong Mi in inside
Spend for 1-3000/mm2, average pore size is 1-500 μm, it is characterised in that described membranoid substance includes following parts by weight
Raw material：110-140 parts of fibroin solutions, 7-9 parts of fibroin nanofiber solution, ibuprofen slow-release microcapsules 2-3 Fen, pivots
Store 2-3 parts of extract solution, 1-2 parts of chitin；
Described ibuprofen slow-release microcapsules are dissolved in the brufen of 2-3 mass parts in the water of 70-80 mass parts, and add 1-
The hydrophilic emulsifier of 3 mass parts, in the presence of magnetic stirring apparatus carrying out emulsion reaction is made, described magnetic stirring apparatus
Stir speed (S.S.) is 1000-3000rpm, and emulsification times are 30-40min.
2. a kind of fibroin tissue renovation material containing microcapsules according to claim 1, it is characterised in that described
Fibroin nanofiber solution is prepared using following methods：Take fibroin solutions to be placed in 60 DEG C of insulating boxs and be concentrated into substance
Long-pending half, then be transferred in fume hood and be concentrated into mass fraction and obtain concentrate for 20-30%, concentrate is put into 4 DEG C of refrigerators storages
It is 0.5% to deposit and concentrate is diluted with water into mass fraction after 2d, is put into insulating box and is incubated to formation after full and uniform stirring
The fibroin nanofiber solution of translucent gels shape.
3. a kind of fibroin tissue renovation material containing microcapsules according to claim 2, it is characterised in that：Described
The length of fibroin nanofiber is 1 μm, a diameter of 10-20nm in fibroin nanofiber solution.
4. a kind of fibroin tissue renovation material containing microcapsules according to claim 1, it is characterised in that described
Fibroin solutions are prepared using following methods：2L deionized waters are heated to boiling, 4.24g sodium carbonate and the life of 5g silkworms is added
Silk, boils 30min, after being cleaned up, dry with deionized water, with 9.3mol/L LiBr solution dissolving；Until completely dissolved
Solution is loaded into bag filter, deionized water dialysis 72h, 9000r/min centrifugation 20min is repeated twice, obtains fibroin solutions.
5. a kind of fibroin tissue renovation material containing microcapsules according to claim 1, it is characterised in that described
Pivot is stored extract solution and prepared using following methods：Cheng Qu pivots store 20-25g, are ground into coarse powder, add the distillation of 10-15 times of its weight
Water soaks 1-2h, and refluxing extraction 1-1.5h, suction filtration obtains filtrate 1；The distilled water of 8-10 times of filter residue weight, backflow are added into filter residue
1-1.5h is extracted, suction filtration obtains filtrate 2；The distilled water of 8-10 times of filter residue weight is added into filter residue again, refluxing extraction 1-1.5h takes out
Filter to obtain filtrate 3；Filtrate 1, filtrate 2, filtrate 3 are merged, temperature be 40-50 DEG C, vacuum be to subtract under the conditions of 0.05-0.08Pa
Pressure concentration Zhi pivot stores 4-6 times of weight, with three layers of filtered through gauze, that is, pivot of get ing stores extract solution.
6. a kind of fibroin tissue renovation material containing microcapsules according to claim 1, it is characterised in that：Described
Fibroin solutions are silk fibroin solution.
7. a kind of fibroin tissue renovation material containing microcapsules according to claim 1, it is characterised in that described
Membranoid substance is prepared using following methods：Fibroin solutions are mixed with fibroin nanofiber solution, and Jia Ru pivots store and carried
The well mixed obtained spinning solution of liquid, ibuprofen slow-release microcapsules, chitin is taken, three-dimensional is made using electrostatic spinning process in spinning solution
Nonwoven web film.
8. a kind of fibroin tissue renovation material containing microcapsules according to claim 7, it is characterised in that described
Electrostatic spinning process is：Voltage 12-18KV, spinning height 5-10cm, winding speed 100-300rpm, spinning solution flow 2-5ml/
H, 50-150 DEG C of heating-up temperature.
9. a kind of fibroin tissue renovation material containing microcapsules according to claim 7, it is characterised in that：Described
Fibre diameter is 50nm-20um in three-D non-woven net-structured film, and interfiber pore is 1-500um, and film thickness is 50nm-
20mm。
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108532298A (en) * | 2018-04-28 | 2018-09-14 | 袁杰 | A kind of preparation method of anti-hyperblastosis fiber type three-dimensional overlay film frame material |
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| EP1613796A2 (en) * | 2003-04-10 | 2006-01-11 | Tufts University | Concentrated aqueous silk fibroin solution and use thereof |
| CN101036802A (en) * | 2006-12-30 | 2007-09-19 | 苏州大学 | Antheraea pernyi silk fibrion biology medicine material and the preparation method |
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| CN1397354A (en) * | 2002-08-14 | 2003-02-19 | 苏州大学 | Porous material for scaffold of tissue engineering and its preparing process |
| EP1613796A2 (en) * | 2003-04-10 | 2006-01-11 | Tufts University | Concentrated aqueous silk fibroin solution and use thereof |
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