Using an excess of building blocks ensures that virtually all the amines on the beads have a building block attached.A quick wash with a solvent removes by-products and leftover building blocks.

• 在这个步骤中，我们使用了过量的基本组件，以确保塑胶珠上每个胺基都有一个基本组件附著上去，然后用溶液洗掉副产物，只留下基本组件。