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Preparation of poly(glyco1ic acid)bonded fiber structures for cell attachment and transplantation

Tipo de material: TextoTextoSeries ; Journal of Biomedical Materials Research, 27(2), p.183-189, 1993Trabajos contenidos:
  • Mikes, A.G
  • Bao, Y
  • Cima, L.G
  • Ingber, D:E
  • Vacanti, J.P
  • Langer, R
Recursos en línea: Resumen: A novel method was developed to prepare threedimensional structures with desired shapes used as templates for cell transplantation. The produced biomaterials are highly porous with large surface/volume and provide the necessary space for attachment and proliferation of the transplanted cells. The processing technique calls for the formation of a composite material with nonbonded fibers embedded in a matrix followed by thermal treatment and the selective dissolution of the matrix. To evaluate the technique, poly(glyco1ic acid)(PGA)fiber meshes were bonded using poly(L-lactic acid)(PLLA)as a matrix. The bonded structures were highly porous with values of porosity up to 0.81 and area/volume ratios as high as 0.05 pm-'.
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A novel method was developed to prepare threedimensional structures with desired shapes used as templates for cell transplantation. The produced biomaterials are highly porous with large surface/volume and provide the necessary space for attachment and proliferation of the transplanted cells. The processing technique calls for the formation of a composite material with nonbonded fibers embedded in a matrix followed by thermal treatment and the selective dissolution of the matrix. To evaluate the technique, poly(glyco1ic acid)(PGA)fiber meshes were bonded using poly(L-lactic acid)(PLLA)as a matrix. The bonded structures were highly porous with values of porosity up to 0.81 and area/volume ratios as high as 0.05 pm-'.

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