Constructing aptamers with desired target-binding affinities may lead to new applications but is challenging. Now, a new method using a high-dimensional microfluidic approach enables quantitative isolation of aptamers with programable binding affinities.

中文翻译：

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选择具有编程亲和力的适体

构建具有所需目标结合亲和力的适体可能会带来新的应用，但具有挑战性。现在，一种使用高维微流体方法的新方法能够定量分离具有可编程结合亲和力的适体。