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Deep integration of nucleic acids with other classes of materials has become the basis of many useful technologies. Among these biohybrids, nucleic acid-containing copolymers have seen rapid development in both chemistry and applications. This review focuses on the various synthetic approaches for accessing nucleic acid–polymer biohybrids spanning post-polymerization conjugation, nucleic acids in polymerization, solid-phase synthesis, and nucleoside/nucleobase-functionalized polymers. We highlight the challenges associated with working with nucleic acids with each approach and the ingenuity of the solutions, with the hope of lowering the entry barrier and inspiring further investigations in this exciting area.
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Self-immolative polymers (SIPs) have been under development for over a decade, and efforts for their application followed shortly after their inception. One main area of application of SIPs is biomedicine, where they are used to construct devices and biosensors, develop new biotechnology abilities, or directly interface with the living system. Where traditional polymers are stable at room temperature, SIPs undergo rapid degradation when a labile capping group is removed, allowing SIPs to offer a highly unusual degradation profile compared with traditional polymers. This review summarizes the recent efforts to leverage the unique properties of SIPs for biomedical purposes, which are categorized into sensors, drug delivery, and biotechnology. By doing so, this review aims to stimulate future studies in this rapidly growing and promising area.
