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Water-soluble Cu30 nanoclusters as a click chemistry catalyst for living cell labeling via azide-alkyne cycloaddition

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Nano Research 2023年第1期16卷 1748-1754页

作者： Ge Yang Yali Xie Yaru Wang Ying Tang Leng Leng Chng Fuyi Jiang Fanglin Du Xianfeng Zhou Jackie Y.Ying Xun Yuan School of Materials Science and Engineering Qingdao University of Science and TechnologyQingdao 266042China Key Lab of Biobased Polymer Materials of Shandong Provincial Education Department School of Polymer Science and EngineeringQingdao University of Science and TechnologyQingdao 266042China NanoBio Lab Institute of Materials Research and Engineering(IMRE)Agency for ScienceTechnology and Research(A*STAR)31 Biopolis WayThe NanosSingapore 138669Singapore School of Environment and Material Engineering Yantai UniversityYantai 264005China NanoBio Lab A*STAR Infectious Diseases LabsA*STAR31 Biopolis WayThe NanosSingapore 138669Singapore

Cu(I)-catalyzed azide-alkyne cycloadditions(CuAAC)have gained increasing interest in the selective labeling of living cells and organisms with ***,their application is constrained either by the high cytotoxicity of Cu(I)ions or the low activity of CuAAC in the internal space of living *** paper reports the design of a novel Cu-based nanocatalyst,watersoluble thiolated Cu30 nanoclusters(NCs),for living cell labeling via *** Cu30 NCs offer good biocompatibility,excellent stability,and scalable synthesis(e.g.,gram scale),which would facilitate potential commercial *** combining the highly localized Cu(I)active species on the NC surface and good structural stability,the Cu30 NCs exhibit superior catalytic activities for a series of Huisgen cycloaddition reactions with good *** importantly,the biocompatibility of the Cu30 NCs enables them to be a good catalyst for CuAAC,whereby the challenging labeling of living cells can be achieved via CuAAC on the cell *** study sheds light on the facile synthesis of atomically precise Cu NCs,as well as the design of novel Cu NCs-based nanocatalysts for CuAAC in intracellular bioorthogonal applications.

关键词： Cu nanocluster click chemistry catalysis azide-alkyne cycloaddition living cell labeling

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SYNTHESIS AND CHARACTERIZATION OF TRIAZOLE CONTAINING LIQUID CRYSTALLINE POLYMERS THROUGH 1,3-DIPOLAR cycloaddition POLYMERIZATION

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Chinese Journal of Polymer Science 2009年第6期27卷 761-770页

作者： Devamani Srividhya Sundaram Manjunathan Sivashankaran Nithyanandan Subramanan Balamurugan Sengodan Senthil Department of Chemistry Sona College of Technology Department of Chemistry Anna University

Liquid crystalline polymers containing 1,2,3-triazole units as linking groups have been synthesized from the monomers containing triad ester diazide and flexible dialkyne ester by 1,3-cycloaddition reaction and were characterized. Click reaction of azide and alkyne functionals catalyzed by Cu(I) yielded target polyesters with 1,2,3-triazole *** structure of the polymer was confirmed by spectral *** analysis reveals that the polymers have moderate molecular weight with narrow distribution.H...

关键词： Triazole Click chemistry Main chain polymers azide-alkyne cycloaddition Liquid crystalline polymers

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