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A versatile AIE fluorogen with selective reactivity to primary amines for monitoring amination,protein labeling,and mitochondrial staining
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作者 Xinyuan He Huilin Xie +14 位作者 Lianrui Hu Pengchao Liu Changhuo Xu Wei He wutong du Siwei Zhang Hao Xing Xinyue Liu Hojeong Park Tsz Shing Cheung Min-Hui Li Ryan T.K.Kwok Jacky W.Y.Lam Jian Lu Ben Zhong Tang 《Aggregate》 2023年第1期250-259,共10页
Specific bioconjugation for native primary amines is highly valuable for both chemistry and biomedical research.Despite all the efforts,scientists lack a proper strategy to achieve high selectivity for primary amines,... Specific bioconjugation for native primary amines is highly valuable for both chemistry and biomedical research.Despite all the efforts,scientists lack a proper strategy to achieve high selectivity for primary amines,not to mention the requirement of fast response in real applications.Herein,we report a chromone-based aggregation-induced emission(AIE)fluorogen called CMVMN as a self-reporting bioconjugation reagent for selective primary amine identification,and its applications for monitoring bioprocesses of amination and protein labeling.CMVMN is AIE-active and capable of solid-state sensing.Thus,its electrospun films are manufactured for visualization of amine diffusion and leakage process.CMVMN also shows good biocompatibility and potential mitochondria-staining ability,which provides new insight for organelle-staining probe design.Combined with its facile synthesis and good reversibility,CMVMN would not only show wide potential applications in biology,but also offer new possibilities for molecular engineering. 展开更多
关键词 aggregation-induced emission(AIE) BIOCONJUGATION mitochondria-staining primary amines protein labeling
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Coordination-driven self-assembly of palladium(Ⅱ)-based metallacalixarenes as anion receptors using flexible pyridine-bridged diimidazole ligands
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作者 wutong du Jin Tong +2 位作者 Wei Deng Mingxue Wang Shuyan Yu 《Chinese Chemical Letters》 SCIE CAS CSCD 2021年第1期485-488,共4页
Two types of palladiu m(Ⅱ)-based metallacalixarenes[ML]^(2+)and[ML_(2)]^(2+)have been synthesized through coordination-driven self-assembly from a series of flexible pyridine-bridged diimidazole ligands[2,6-bis((1 H-... Two types of palladiu m(Ⅱ)-based metallacalixarenes[ML]^(2+)and[ML_(2)]^(2+)have been synthesized through coordination-driven self-assembly from a series of flexible pyridine-bridged diimidazole ligands[2,6-bis((1 H-imidazol-1-yl)methyl)pyridine(L^(1)),2,6-bis((1 H-benzo[d]imidazol-1-yl)methyl)pyridine(L^(2)),2,6-bis((1 H-naphtho[2,3-d]imidazol-1-yl)methyl)pyridine(L^(3))],with palladium(II)-based building blocks[Pd(BF_(4))_(2)(M^(1)-BF_4)and(tmeda)Pd(NO_(3))_(2)(M^(2)-NO_(3))(tmeda=N,N,N',N'-tetramethyl-ethylenediamine)].All complexes were characterized by NMR spectroscopy(^(1)H NMR and^(13)C NMR),mass spectrometry(CSIMS,ESI-HRMS)and elemental analysis.The single crystal X-ray diffraction analysis of[M^(1)L^(2)_2](NO_(3))_(2),[M^(1)L^(3)_2](NO_(3))_(2),[M^(1)L^(3)_2](PF_6)_2 and[M~2 L^(3)](NO_(3))_(2)further confirmed the uniquely single bowl-shape and double bowl-shape structures.The anion binding properties within the metallacalixarenes as receptors were also investigated by NMR titration experiments in DMSO. 展开更多
关键词 SELF-ASSEMBLY Diimidazole ligand Metallacalixarenes Anion receptors
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