Preparation method of porous bacteria cellulose sponges
A bacterial cellulose and sponge technology, applied in medical science, prosthesis, etc., can solve problems such as inability to grow in, and achieve the effect of optimized performance and high specific surface area
Inactive Publication Date: 2008-10-22
TIANJIN UNIV
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Therefore, cells can only adhere and proliferate on
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The invention relates to a preparation method of porous bacteria cellulose sponge. A bacterial cellulose hydrogel membrane and an ice crystal are completely mixed, pre-frozen is carried out at subzero 20 to subzero 50 DEG C and are prepared into a homogeneous dispersed system. At last, a freeze-drying method is used for preparing the porous bacteria cellulose sponge. Through the invention, bacteria cellulose sponge material containing large holes is simply, rapidly and efficiently manufactured by the invention, and the application of nanometer bacteria cellulose in the field of the tissue engineering stent can be greatly developed.
Description
Preparation method of porous bacterial cellulose sponge technical field The invention relates to a preparation method of a porous bacterial cellulose sponge. Background technique With the development of biomedical engineering research, tissue engineering has become a hot spot in scientific research and clinical application. The study of tissue engineering scaffold materials has also attracted the attention of researchers. At present, many polymer tissue engineering scaffolds such as collagen, chitosan, chitin, and PLGA have been prepared by electrospinning and phase separation. Compared with the above biopolymers, bacterial cellulose has special structure and physical and chemical properties. The good mechanical properties, air permeability, biocompatibility and other properties of bacterial cellulose make it have a very wide commercial application potential in the field of biomedicine. Modern wound dressings prepared from bacterial cellulose were successfully used for...
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Inventor 万怡灶高川黄远何芳罗红林
Owner TIANJIN UNIV
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