Material for spinal cord injury repair and preparation method of bone spinal cord tissue engineering scaffold
A tissue engineering scaffold and spinal cord injury technology, applied in the field of regenerative medicine and biomaterials, can solve the problems of difficult to effectively promote the repair of spinal cord injury, the inability to simulate the structure of the spinal cord, and the inconvenience of preparation, etc., to achieve good bionic spinal cord tissue structure, good Restorative effect, easy preparation effect
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Embodiment 1
[0045] Embodiment 1: This embodiment provides a kind of material for spinal cord injury repair, and described material comprises the following components by weight part number: Organic polymer material-polycaprolactone (PCL) 10 parts, organic solvent trifluoroethanol 50 parts, 2 parts of deionized water, 10 parts of supramolecular hydrogel material, and 1 part of drug Oxymatrine (OMT). The supramolecular hydrogel material is water, gelatin, double bonded β-cyclodextrin, polyethylene glycol diacrylate (PEGDA) with molecular weight 700-10000, spinal cord extracellular matrix, and photoinitiator, wherein water: Gelatin: double-bonded β-cyclodextrin: polyethylene glycol diacrylate (PEGDA): spinal cord extracellular matrix: UV photoinitiator is 100 parts: 12 parts: 8 parts: 1 part: 10 parts: 0.1 parts. The drug is Oxymatrine (OMT), which has the effect of reducing tissue fiber scar formation.
[0046] Utilize above-mentioned material for spinal cord repair to prepare bone and spin...
Embodiment 2
[0065] Embodiment 2: This embodiment provides a kind of material for repairing spinal cord injury, and described material comprises the following components by weight: 25 parts of organic macromolecular material polyglycolic acid (PGA), 75 parts of organic solvent trifluoroethanol , 14 parts of deionized water, 20 parts of supramolecular hydrogel material, and 1 part of drug Oxymatrine (OMT). The supramolecular hydrogel material is water, gelatin, double-bonded β-cyclodextrin, polyethylene glycol diacrylate (PEGDA) with a molecular weight of 700-10000, spinal cord extracellular matrix, and photoinitiator, wherein water: Gelatin: double-bonded β-cyclodextrin: polyethylene glycol diacrylate (PEGDA): spinal cord extracellular matrix: UV photoinitiator is 100 parts: 12 parts: 8 parts: 1 part: 10 parts: 0.1 parts, The drug Oxymatrine (OMT) has the effect of reducing tissue fibrous scarring.
[0066] Utilize above-mentioned material for spinal cord repair to prepare bone and spinal...
Embodiment 3
[0085] Embodiment 3: This embodiment provides a kind of material for spinal cord injury repair, and described material comprises the following components by weight: 40 parts of organic polymer material polylactic acid (PLA), 100 parts of organic solvent trifluoroethanol, 30 parts of deionized water, 30 parts of hydrogel material, and 1 part of drug Oxymatrine (OMT); the supramolecular hydrogel material includes water, gelatin, double-bonded β-cyclodextrin, polyethylene with a molecular weight of 700-10000 Glycol diacrylate (PEGDA), spinal cord extracellular matrix and photoinitiator, in which water: gelatin: double-bonded β-cyclodextrin: polyethylene glycol diacrylate (PEGDA): spinal cord extracellular matrix: ultraviolet light initiation The dosage is 100 parts: 12 parts: 8 parts: 1 part: 10 parts: 0.1 part. The drug Oxymatrine (OMT) has the effect of reducing tissue fibrous scarring.
[0086] Utilize above-mentioned material for spinal cord repair to prepare bone and spinal...
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