A bone repairing stent and a preparing method thereof
A technology for bone repair and gold nanorods, applied in the field of biomedical engineering, can solve the problems of poor osteogenic ability and mechanical strength, unable to simultaneously perform tumor treatment and defect repair, and low enrichment efficiency, and achieve good biocompatibility. Effects of sex, repair and treatment of bone tumor defects
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Embodiment 1
[0028] A bone repair scaffold, comprising the following materials in parts by weight: 1 part of gold nanorod, 49.5 parts of β-tricalcium phosphate, and 49.5 parts of gelatin methacryloyl.
[0029] The preparation method of the bone repair bracket of this embodiment is:
[0030] (1) Preparation of gold nanorods
[0031] Weigh tetrachloroauric acid trihydrate and dissolve it in distilled water to prepare a tetrachloroauric acid solution with a concentration of 1mg / mL for later use; weigh sodium citrate and dissolve it in distilled water to prepare a citric acid solution with a concentration of 2mg / mL Sodium solution, for later use;
[0032] Measure tetrachloroauric acid solution, add distilled water to dilute it 8 times, then heat and reflux under the protection of nitrogen, then add sodium citrate solution according to the volume ratio of tetrachloroauric acid solution: sodium citrate solution = 4:1, and then react at 100°C 3h, after the reaction is over, the reaction solutio...
Embodiment 2
[0039]A bone repair scaffold, comprising the following materials in parts by weight: 5 parts of gold nanorods, 47.5 parts of β-tricalcium phosphate, and 47.5 parts of gelatin methacryloyl.
[0040] The preparation method of the bone repair scaffold in this example is the same as that in Example 1.
Embodiment 3
[0042] A bone repair bracket, comprising the following materials in parts by weight: 10 parts of gold nanorods, 45 parts of β-tricalcium phosphate, and 45 parts of gelatin methacryl.
[0043] The preparation method of the bone repair scaffold in this example is the same as that in Example 1.
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