Volume 63, Issue 6 e202313370
Minireview

Precision Sequence-Defined Polymers: From Sequencing to Biological Functions

Dr. Qiangqiang Shi

Dr. Qiangqiang Shi

Department of Pharmacy, The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, and Key Laboratory of Precision and Intelligent Chemistry, Department of Polymer Science and Engineering, University of Science and Technology of China, 96 Jinzhai Road, Hefei, Anhui, 230026 China

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Prof. Dr. Zhengbiao Zhang

Corresponding Author

Prof. Dr. Zhengbiao Zhang

State and Local Joint Engineering Laboratory for Novel Functional Polymeric Materials, College of Chemistry, Chemical Engineering and Materials Science, State Key Laboratory of Radiation Medicine and Protection, Soochow University, Suzhou, 215123 China

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Prof. Dr. Shiyong Liu

Corresponding Author

Prof. Dr. Shiyong Liu

Department of Pharmacy, The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, and Key Laboratory of Precision and Intelligent Chemistry, Department of Polymer Science and Engineering, University of Science and Technology of China, 96 Jinzhai Road, Hefei, Anhui, 230026 China

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First published: 24 October 2023
Citations: 19

Graphical Abstract

This Minireview summarizes recent advances in sequence-defined synthetic polymers (SDPs), focusing on newly developed sequencing methods including tandem mass spectrometry (MS) based on bond-selective cleavage and biased ionization, and primary MS based on cascade degradation. Their biological functions are also highlighted, and future perspectives of SDPs outlined.

Abstract

Precise sequence-defined polymers (SDPs) with uniform chain-to-chain structure including chain length, unit sequence, and end functionalities represent the pinnacle of sophistication in the realm of polymer science. For example, the absolute control over the unit sequence of SDPs allows for the bottom-up design of polymers with hierarchical microstructures and functions. Accompanied with the development of synthetic techniques towards precision SDPs, the decoding of SDP sequences and construction of advanced functions irreplaceable by other synthetic materials is of central importance. In this Minireview, we focus on recent advances in SDP sequencing techniques including tandem mass spectrometry (MS), chemically assisted primary MS, as well as other non-destructive sequencing methods such as nuclear magnetic resonance (NMR) spectroscopy, circular dichroism (CD), and nanopore sequencing. Additionally, we delve into the promising prospects of SDP functions in the area of cutting-edge biological research. Topics of exploration include gene delivery systems, the development of hybrid materials combining SDPs and nucleic acids, protein recognition and regulation, as well as the interplay between chirality and biological functions. A brief outlook towards the future directions of SDPs is also presented.

Conflict of interest

The authors declare no conflict of interest.

Data Availability Statement

Data sharing is not applicable to this article as no new data were created or analyzed in this study.

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