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排序方式: 共有293条查询结果,搜索用时 46 毫秒
291.
Alexandre Chappard Dr. Craig Leighton Dr. Rebecca S. Saleeb Kiani Jeacock Dr. Sarah R. Ball Katie Morris Owen Kantelberg Dr. Ji-Eun Lee Dr. Elsa Zacco Prof. Dr. Annalisa Pastore Prof. Dr. Margaret Sunde Dr. David J. Clarke Dr. Patrick Downey Prof. Dr. Tilo Kunath Dr. Mathew H. Horrocks 《Angewandte Chemie (International ed. in English)》2023,62(15):e202216771
Protein misfolding and aggregation into oligomeric and fibrillar structures is a common feature of many neurogenerative disorders. Single-molecule techniques have enabled characterization of these lowly abundant, highly heterogeneous protein aggregates, previously inaccessible using ensemble averaging techniques. However, they usually rely on the use of recombinantly-expressed labeled protein, or on the addition of amyloid stains that are not protein-specific. To circumvent these challenges, we have made use of a high affinity antibody labeled with orthogonal fluorophores combined with fast-flow microfluidics and single-molecule confocal microscopy to specifically detect α-synuclein, the protein associated with Parkinson's disease. We used this approach to determine the number and size of α-synuclein aggregates down to picomolar concentrations in biologically relevant samples. 相似文献
292.
Dr. Olivier Galangau Dr. Elsa Caytan William T. Gallonde Dr. Isabelle de Waele Dr. Franck Camerel Prof. Stéphane Rigaut 《欧洲无机化学杂志》2023,26(1):e202200579
In this work, we report our latest results regarding the self-assembly properties of two Ru-acetylides complexes and their corresponding free organic ligands, in solution and in the solid state. The four compounds show mesogenic properties, which we have rationalized thanks to extensive DSC, SAXS, POM, FTIR and molecular dynamic investigations. We clearly establish that hydrogen bonds stabilize the supramolecular structures, and that introducing the metal center and its coordination sphere induces large change in the liquid crystal properties. In addition, for the monoacetylide compound Ru2 , solution-state studies helped us rationalize its supramolecular abilities. In particular, we demonstrate that Ru2 follows an isodesmic growth supramolecular polymerization in aromatic solvent. 相似文献
293.
William T. Gallonde Corentin Poidevin Dr. Felix Houard Dr. Elsa Caytan Dr. Vincent Dorcet Dr. Arnaud Fihey Prof. Kevin Bernot Prof. Stéphane Rigaut Dr. Olivier Galangau 《Angewandte Chemie (International ed. in English)》2023,62(49):e202313696
We here present how rebalancing the interplay between H-bonds and dispersive forces (Van der Waals/π–π stacking) may induce or not the generation of kinetic metastable states. In particular, we show that extending the aromatic content and favouring the interchain VdW interactions causes a delay into the cooperative supramolecular polymerization of a new family of toluene bis-amide derivatives by trapping the metastable inactive state. 相似文献