1. 毕业设计(论文)的内容和要求
水凝胶(hydrogel)是能在水中溶胀并保持大量水分而不溶解的高分子网络,一般由亲水性高分子通过各种交联作用构成,这些作用包括化学键、氢键、离子键相互作用和疏水性相互作用等。
水凝胶可分为天然水凝胶和合成水凝胶,天然水凝胶容易降解,但存在批次间差异、性能重复性差、力学强度弱等缺点,因此其应用受到一定的限制,而合成水凝胶的结构与性能可以精确调控,可避免不同批次间的差异。
γ-PGA(γ-Polyglutamic acid)水凝胶是γ-PGA经交联形成的一种具有三维网状结构的生物大分子材料。
2. 参考文献
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