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Biological material embedded in a hydrogel, its embedding method and its use as artificial seeds
Biological material embedded in a hydrogel, its embedding method and its use as artificial seeds
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机译:包埋在水凝胶中的生物材料,包埋方法及其作为人造种子的用途
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PCT No. PCT/EP97/03906 Sec. 371 Date Apr. 27, 1999 Sec. 102(e) Date Apr. 27, 1999 PCT Filed Jul. 21, 1997 PCT Pub. No. WO98/05197 PCT Pub. Date Feb. 12, 1998The invention relates to a completely biodegradable hydrogel comprising polyester polyurethane polyurea containing urea groups as well as polysaccharides and/or their derivatives, the hydrogel containing plant material capable of dividing. The invention also relates to a process for the embedding of the biological material and the fabrication and shaping of the hydrogels from aqueous solutions. The hydrogels according to the invention may be used as coating material for embedding biological material capable of dividing, especially plant material, preferably plant cells, protoplasts, plant tissues and plant organs, as well as zygotic or somatic plant embryos, under sterile conditions for the purpose of protecting the material during storage, transport and handling. The hydrogels according to the invention may also contain further additives, for example, plant protection agents or nutrients. The embedded biological plant material according to the invention may be used as artificial seed.
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