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Foam carbon biological support, and preparation method and application thereof

A bio-scaffold and carbon foam technology, applied in animal cells, vertebrate cells, medical science, etc., can solve the problem of degradability, absorbability, low compressive strength, high density of cells in vitro, and long-term culture of scaffolds Material and other issues, to achieve long-term stable mechanical strength, high activity three-dimensional culture, and low density

Active Publication Date: 2011-04-13
湖南中科要素生物科技有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] Three-dimensional scaffold materials that have been extensively studied at present, such as polylactide (PGA), poly-L-lactic acid (PLLA), poly-D-lactic acid (PDLA), bioactive ceramics, etc., have high specific surface area, three-dimensional interconnected pore network and biological phase Capacitive, mostly used for repairing small-scale tissue defects in the body, but due to the degradability, absorbability and low compressive strength of these scaffold materials, it is difficult to really be used as a scaffold material for high-density and long-term culture of cells in vitro

Method used

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  • Foam carbon biological support, and preparation method and application thereof
  • Foam carbon biological support, and preparation method and application thereof
  • Foam carbon biological support, and preparation method and application thereof

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Embodiment

[0023] a kind of like Figure 1 ~ Figure 2 The foamed charcoal bioscaffold of the present invention is shown, the foamed charcoal bioscaffold is formed by carbonization of the precursor formed by phenolic resin, and the precursor is formed by foaming and curing the phenolic resin under normal pressure. The carbon foam bio-stent of this embodiment has a three-dimensional interconnected pore structure, the diameter of the interconnected pores is about 220 microns, and the opening ratio is 80±2%.

[0024] The preparation method of the foamed charcoal bioscaffold of the present embodiment mainly includes the following steps:

[0025] (1) Batching: get 100 parts of phenolic resins (adopted in the present embodiment is 2130 brand phenolic resins), first add 30 parts of foaming agent n-pentane, then add 0.5 parts of emulsifying agent cetyl Sodium benzenesulfonate and 0.9 parts of filler graphite powder (graphite powder crosses 200 mesh sieves), stir and mix to obtain resin mixture; ...

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Abstract

The invention discloses a foam carbon biological support, and a preparation method and an application thereof. The foam carbon biological support is prepared by carbonizing a precursor formed by the foaming and solidification of phenolic resin under ordinary pressure. The method comprises the following steps: when preparation, firstly preparing materials; and then arranging into water bath for foaming and solidifying; drying and solidifying to acquire the precursor; carbonizing the precursor to obtain the foam carbon biological support. When the foam carbon biological support is used for exo-cell culture, the foam carbon biological support planted with cells is arranged in a static or dynamic circulating culture system for culturing according to the demands in different cell types. The foam carbon biological support has good aperture ratio and biocompatibility and high mechanical strength, and can be widely used for exo-cell culture.

Description

technical field [0001] The invention relates to a tissue engineering biological material and its preparation method and application, in particular to a biological scaffold and its preparation method and application. Background technique [0002] Large-scale animal cell culture is the basis of tissue engineering and genetic engineering, and a large number of biomedical experiments and in vitro pharmacological experiments are also inseparable from in vitro cell culture. The current international two-dimensional planar cell culture method in vitro obtains cells as planar monolayer cells. The life state of the cells is completely different from the three-dimensional structure in the real human body. The mutual spatial position, signal transduction and proliferation between cells Regulatory and internal environment are very different, life activities will be different from normal cell state and may lead to degeneration of cell tissue. Therefore, in order to achieve a breakthroug...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61L27/08A61L27/56C12N5/071
Inventor 刘海蓉夏磊磊周征
Owner 湖南中科要素生物科技有限公司
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