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A metal oxide/calcium phosphorus double-layer microtube and its preparation method

A technology of micro-tubes and oxides, applied in the field of inorganic materials, can solve the problems of not having the ability to guide or induce regeneration of human tissue, differences in chemical composition, etc.

Active Publication Date: 2021-11-16
NORTHWESTERN POLYTECHNICAL UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The methods used above all have their own characteristics, but the microtubes prepared by these methods all have a single-layer structure. In addition, the surface of the metal oxide microtubes is still the chemical composition of the metal oxide itself. Although it is not biologically toxic, it is not compatible with the human body. There are differences in the chemical composition of tissues, and they do not have the ability to guide or induce the regeneration of human tissues

Method used

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  • A metal oxide/calcium phosphorus double-layer microtube and its preparation method

Examples

Experimental program
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Effect test

Embodiment 1

[0023] (1) The carbon fiber is ultrasonically cleaned with acetone, ethanol and deionized water in sequence, and then dried in an oven, and the obtained sample is marked as A;

[0024] (2) Place A in a glucose solution with a mass fraction of 10% and soak for 30 minutes, and the resulting sample is marked as B;

[0025] (3) Place B in a vacuum furnace, raise the temperature to 800 degrees at a rate of 20 degrees per hour in an argon-protected environment, keep it warm for 1 hour, and cool naturally to obtain sample C;

[0026] (4) Zinc nitrate is dissolved in deionized water and is mixed with the zinc nitrate aqueous solution that concentration is 10mmol / L, then heated to 50 degree, obtains solution D;

[0027] (5) The graphite sheet is used as the anode, the sample C is the cathode, the cathode and the anode are placed in the solution D in parallel with a distance of 30 mm, and a current of 1 mA is applied for 10 minutes, and then naturally dried in the air to obtain the samp...

Embodiment 2

[0033] (1) The carbon fiber is ultrasonically cleaned with acetone, ethanol and deionized water in sequence, and then dried in an oven, and the obtained sample is marked as A;

[0034] (2) Place A in a glucose solution with a mass fraction of 20% and soak for 60 minutes, and the resulting sample is marked as B;

[0035] (3) Place B in a vacuum furnace, and in an argon-protected environment, raise the temperature to 900 degrees at a heating rate of 30 degrees per hour and keep it warm for 3 hours, and naturally cool to obtain sample C;

[0036] (4) Ferric nitrate is dissolved in deionized water and is mixed with the ferric nitrate aqueous solution that concentration is 100mmol / L, then heated to 80 degree, obtains solution D;

[0037] (5) The graphite sheet is used as the anode, the sample C is the cathode, the cathode and the anode are placed in the solution D in parallel with a distance of 80 mm, and a current of 10 mA is applied for 60 minutes, and then naturally dried in the...

Embodiment 3

[0043] (1) The carbon fiber is ultrasonically cleaned with acetone, ethanol and deionized water in sequence, and then dried in an oven, and the obtained sample is marked as A;

[0044] (2) Place A in a glucose solution with a mass fraction of 15% and soak for 40 minutes, and the resulting sample is marked as B;

[0045] (3) Place B in a vacuum furnace, and in an argon-protected environment, raise the temperature to 850 degrees at a rate of 25 degrees per hour and keep it warm for 2 hours, and naturally cool to obtain sample C;

[0046] (4) dissolving copper nitrate in deionized water to prepare a copper nitrate aqueous solution with a concentration of 50mmol / L, and then heating to 60 degrees to obtain solution D;

[0047] (5) The graphite sheet is used as the anode, the sample C is the cathode, the cathode and the anode are placed in the solution D in parallel with a distance of 50 mm, and a current of 5 mA is applied for 30 minutes, and then naturally dried in the air to obta...

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Abstract

The invention relates to a metal oxide / calcium-phosphorus double-layer microtube and a preparation method thereof. The prepared microtube has a double-layer structure, the inner layer is metal oxide and the outer layer is calcium-phosphorus, so it has the mechanical and mechanical properties of metal oxide. Corrosion resistance and biocompatibility of calcium and phosphorus. The diameter of the double-layer microtubes is uniformly distributed at 5-20 μm, and the composition, thickness and shape of the inner and outer layers of the microtubes can be controlled.

Description

technical field [0001] The invention belongs to the technical field of inorganic materials, and relates to a metal oxide / calcium phosphorus double-layer microtube and a preparation method. Background technique [0002] Metal oxide microtubes have excellent mechanical properties and corrosion resistance. In addition, oxide microtubes can provide an effective pore structure, which is conducive to the growth of cells and bone tissues. Therefore, metal oxide microtubes are widely used in the field of biomedicine. application prospects. At present, the preparation method of metal oxide microtubes has been reported. For example, CN1830812A discloses the preparation of tungsten oxide microtubes by vapor deposition. CN102992271A discloses the preparation of metal oxide microtubes by adopting the method of coordination-hydrolysis and heat treatment template. CN101817552A announced the use of zirconia polycrystalline fiber and (NH 4 ) 2 TiF 6 The reaction method prepares titanium...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C01B25/32C01G3/02C01G9/02C01G49/06
CPCC01B25/325C01G3/02C01G9/02C01G49/06C01P2004/10C01P2004/80
Inventor 张磊磊裴李娜李贺军李艳张博欣
Owner NORTHWESTERN POLYTECHNICAL UNIV
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