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| 1 | A facile and general approach for the synthesis of fluorescent silica nanoparticles doped with inert dyes显示文摘A general and facile approach was developed for the synthesis of almost monodisperse fluorescent silica nanoparticles (NPs) doped with inert dyes, which are organic fluorophores that are strongly fluorescent but are hydrophobic or lack a covalent binding group. The prepared NPs were mesoporous and the dye molecules were encapsulated in the pores via hydrophobic interaction with the CTAB template. The NPs were stable and highly fluorescent in aqueous solution, and have potential applications in bioanalysis and fluorescence encoding. | MU Xue WU ChuanLiu LAI JinPing CHEN JianBin ZHENG JinSheng LI Chong ZHAO YiBing | 2011 | Chinese Science Bulletin2011，56，31： | 5 |
| 2 | A mini-review and perspective on multicyclic peptide mimics of antibodies显示文摘Affinity reagents are important tools in the biological sciences for understanding biological processes and for studying protein expression, localization and interactions. However, traditional affinity reagents such as antibodies(and their fragments) and non-immunoglobulin(non-Ig) scaffold binders, usually suffer from problems of poor cellular uptake efficiency, high production cost, and low structural stability. This leads to rapid development of small antibody-like affinity reagents such as scaffold-free cyclic and multicyclic peptides, which usually have 5-30 amino acid residues, thus lying between non-Ig scaffolds and small molecules in size. In this mini-review, we highlight the recent development in mono-and multi-cyclic peptide mimics of antibodies, including cyclic peptide affinity reagents that have been developed for use in antibody-like applications, novel synthetic strategies for multicyclic peptides, and promising peptide library screening platforms. We also provide a perspective on the future development in multicyclic peptide mimics of antibodies. | Weidong Liu Chuanliu Wu | 2018 | Chinese Chemical Letters2018，29，7： | 0 |
| 3 | Interchain doubly-bridged α-helical peptides for the development of protein binders显示文摘Constrained peptide scaffolds that are tolerant to extensive sequence manipulation and amenable to bioactive peptide design are of great value to the development of novel protein binders and peptide therapeutics. In this work, we reported strategies for the design and synthesis of a kind of novel interchain doubly-bridged α-helical peptides, involving mutual stabilization of two peptide α-helices linked by two interchain bisthioether crosslinkers. By taking a MDM2-binding peptide with an α-helical tendency as a model, we demonstrated that α-helical dimers with significantly improved structural and proteolytic stability and nanomolar binding affinity to the target protein can be obtained. By modulating the surface charges on the dimeric peptides, we also obtained a dimeric peptide with enhanced cellpenetrating capability, which can efficiently penetrate into cancer cells and inhibit the intracellular MDM2-p53 interactions to promote cell apoptosis. Considering that many proteins take a surface α-helical segment as the binding motif to mediate their interactions with other proteins, we believe that our interchain doubly-bridged α-helical peptides would provide a promising scaffold for the development of novel high-affinity protein binders. | Yaqi Chen Jingjing Liang Tao Li Ping Lin Yibing Zhao Chuanliu Wu | 2019 | Chinese Chemical Letters2019，30，4： | 0 |
| 4 | Recent advances in chemical protein synthesis:method developments and biological applications显示文摘The central dogma of modern biology underscores the pivotal roles proteins play in diverse biological processes,the study of which necessitates advanced methods to produce proteins with precision and versatility.Chemical protein synthesis,a powerful approach utilizing chemical reactions for the de novo construction of structurally accurate proteins,has emerged as a transformative tool for studying proteins and generating protein derivatives/mimics inaccessible by natural biological machinery,including post-translationally modified proteins,proteins comprised of unnatural amino acids,as well as mirror-image proteins.This review summarizes recent strides in synthetic method developments for chemical protein synthesis,including innovative techniques in solid-phase peptide synthesis,the challenges presented by difficult sequences in either synthesis or folding and the exploration of novel ligation reactions using both chemical and enzymatic methods.Furthermore,the review also delves into newly developed protocols for site-selective protein modifications and the generation of stapled or macrocyclized peptides/miniproteins,highlighting the power of chemical methods to make structurally diverse proteins.Recent applications of synthetic proteins in investigating post-translational modifications(phosphorylation,lipidation,glycosylation,ubiquitination,etc.),mirror-image biological processes and drug development are further discussed.Together,these topics provide a comprehensive overview of the current landscape of chemical protein synthesis. | Suwei Dong Ji-Shen Zheng Yiming Li Huan Wang Gong Chen Yongxiang Chen Gemin Fang Jun Guo Chunmao He Honggang Hu Xuechen Li Yanmei Li Zigang Li Man Pan Shan Tang Changlin Tian Ping Wang Bian Wu Chuanliu Wu Junfeng Zhao Lei Liu | 2024 | Science China Chemistry2024，67，4： | 0 |
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