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凝封装的珠子使近距离驱动的编码图书馆合成和选成为可能.

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科学领域:

  • 生物技术是生物技术.
  • 化学生物学 化学生物学
  • 材料科学 材料科学 材料科学

背景情况:

  • 编码组合图书馆提供了巨大的化学多样性,但仅限于基于亲和性的选.
  • 对于更广泛的选应用来说,将这些库重新格式化为"一珠一化合物"固相格式至关重要.
  • 现有的方法缺乏有效的方法来转换选择输出用于各种选方式.

研究的目的:

  • 开发一种方法来将DNA编码的库重新格式化为"一珠一化合物"格式,使用水凝封装的磁珠.
  • 为了证明这些珠子与各种化学和生物变化的兼容性.
  • 通过mRNA显示库验证重新格式化的方法,并评估丰富效率.

主要方法:

  • 通过乳液聚合合成,在聚烯胺水凝外中封装的合成均磁性微珠.
  • 用氨基,基和寡核酸部分功能化了水凝珠.
  • 进行了凝内转化,包括乙化和酶性DNA结合.
  • 利用转录,杂交和菌素标记来进行mRNA显示库重编.
  • 采用光激活细胞分类 (FACS) 进行珠子丰富和选.

主要成果:

  • 实现了统一的水凝封装磁珠 (7 ± 2 μm),与多种功能兼容.
  • 成功重新格式化mRNA显示库,证明RNA合成和翻译的同地化.
  • 从图书馆屏幕上增强了两个控制表位模板 (V5,HA) 的显著折叠增加 (50和99倍).
  • 展示了靠近驱动的图书馆合成和磁性操纵对于图书馆重编格的实用性.

结论:

  • 用水凝封装的磁珠提供了一个多功能平台,用于重新格式化编码的组合图书馆.
  • 这项技术为以前无法访问的图书馆格式解锁了基于活动和蜂的选功能.
  • 开发的方法提供了一种可扩展和高效的方法,用于转换编码库,用于更广泛的药物发现工作.