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30161por Pearce, Nicholas, Tarnowska, Marysia, Andersen, Nathan J., Wahrhaftig-Lewis, Alexander, Pilgrim, Ben S., Champness, Neil R.“…The field of mechanically interlocked molecules that employ a handcuff component are reviewed. The variety of rotaxane and catenane structures that use the handcuff motif to interlock different components are discussed and a new nomenclature, distilling diverse terminologies to a single approach, is proposed. …”
Publicado 2022
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30162por Talotta, Carmen, Concilio, Gerardo, Della Sala, Paolo, Gaeta, Carmine, Schalley, Christoph A., Neri, Placido“…In particular, the formation of chiral pseudo[2]rotaxanes bearing a classical stereogenic center in their axle and/or wheel components has been considered. …”
Publicado 2020
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30163“…Between groups comparison revealed that oxyHb and blood volume in the left PFC increased significantly during RNYB as compared to BA (oxyHb: P =0.012; TotalHb: P =0.017) and LNYB (oxyHb: P =0.024; totalHb: P =0.034). …”
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30164“…The inhibition of paw swelling in mice was also caused by votalin by the extent of reduction was significantly (P < 0.02) lower compared to the resveratrol treatment. …”
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30165por Miljkovic, Ana, La Cognata, Sonia, Bergamaschi, Greta, Freccero, Mauro, Poggi, Antonio, Amendola, Valeria“…The binding properties of its dicopper complex for aromatic dicarboxylate anions (as TBA salts) were investigated, with the aim to obtain potential building blocks for supramolecular structures like rotaxanes and pseudo-rotaxanes. As expected, UV-Vis and emission studies of [Cu(2)L](4+) in water/acetonitrile mixture (pH = 7) showed a high affinity for biphenyl-4,4′-dicarboxylate (dfc(2−)), with a binding constant of 5.46 log units, due to the best match of the anion bite with the Cu(II)-Cu(II) distance in the cage’s cavity. …”
Publicado 2020
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30166por Nicoli, Federico, Curcio, Massimiliano, Tranfić Bakić, Marina, Paltrinieri, Erica, Silvi, Serena, Baroncini, Massimo, Credi, Alberto“…[Image: see text] We describe a [2]rotaxane whose recognition sites for the ring are a dibenzylammonium moiety, endowed with acidic and H-bonding donor properties, and an imidazolium center bearing a photoactive phenylazo substituent. …”
Publicado 2022
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30167por Araújo, Ana R. L., Tomé, Augusto C., Santos, Carla I. M., Faustino, Maria A. F., Neves, Maria G. P. M. S., Simões, Mário M. Q., Moura, Nuno M. M., Abu-Orabi, Sultan T., Cavaleiro, José A. S.“…A wide range of products (e.g., microporous organic networks, rotaxane and dendritic motifs, dendrimers as liquid crystals, as blood substitutes for transfusions and many others) can now be available and used for several medicinal and industrial purposes.…”
Publicado 2020
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30168por Lavan, Robert, Normile, Dorothy, Husain, Imran, Singh, Amita, Armstrong, Rob, Heaney, Kathleen“…Orally administered prescription ectoparasitic medications with active ingredients from the isoxazoline family (afoxolaner, fluralaner, lotilaner, or sarolaner) were included in the analysis. …”
Publicado 2022
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30169“…We report the unexpected discovery of a tandem active template CuAAC‐rearrangement process, in which N(2) is extruded on the way to the 1,2,3‐triazole product to give instead acrylamide rotaxanes. Mechanistic investigations suggest this process is dictated by the mechanical bond, which stabilizes the Cu(I)‐triazolide intermediate of the CuAAC reaction and diverts it down the rearrangement pathway; when no mechanical bond is formed, the CuAAC product is isolated.…”
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30170por de Juan-Fernández, Leire, Münich, Peter W., Puthiyedath, Arjun, Nieto-Ortega, Belén, Casado, Santiago, Ruiz-González, Luisa, Pérez, Emilio M., Guldi, Dirk M.“…We describe the synthesis of rotaxane-type species composed of macrocyclic porphyrin rings mechanically interlocked with SWCNT threads. …”
Publicado 2018
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30171A Redox-Controllable Molecular Switch Based on Weak Recognition of BPX26C6 at a Diphenylurea Station“…The Na(+) ion–assisted recognition of urea derivatives by BPX26C6 has allowed the construction of a redox-controllable [2]rotaxane-type molecular switch based on two originally very weakly interacting host/guest systems. …”
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30172
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30173por Chen, Ruiyun, Gao, Yan, Zhang, Guofeng, Wu, Ruixiang, Xiao, Liantuan, Jia, Suotang“…We present a method to modulate the fluorescence of non-polar single squaraine-derived rotaxanes molecules embedded in a polar poly(methyl methacrylate) (PMMA) matrix under an external electric field. …”
Publicado 2012
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30174“…The resulting pseudo[1]rotaxane structure was successfully converted to a [2]catenane via a second macrocyclization and cleavage of the ketal and temporary linkages.…”
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30175
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30176Ultra-Bright and -Stable Red and Near-Infrared Squaraine Fluorophores for In Vivo Two-Photon Imagingpor Podgorski, Kaspar, Terpetschnig, Ewald, Klochko, Oleksii P., Obukhova, Olena M., Haas, Kurt“…We demonstrate the biocompatibility and stability of a red-emitting squaraine-rotaxane (SeTau-647) by imaging dye-filled neurons in vivo over 5 days, and utility for sensitive subcellular imaging by synthesizing a specific peptide-conjugate label for the synaptic protein PSD-95.…”
Publicado 2012
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30177por Leigh, David A., Pirvu, Lucian, Schaufelberger, Fredrik, Tetlow, Daniel J., Zhang, Liang“…We report on a rotaxane‐like architecture secured by the in situ tying of an overhand knot in the tris(2,6‐pyridyldicarboxamide) region of the axle through complexation with a lanthanide ion (Lu(3+)). …”
Publicado 2018
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30178“…The bromine atoms at the periphery of the guest molecule provide convenience for the further capping of the pseudorotaxanes to construct rotaxanes.…”
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30179“…The self‐assembly reaction was monitored closely in solution facilitating the characterization of the pseudo‐rotaxane reaction intermediate prior to mechanically interlocking the pre‐organised system via ring‐closing metathesis.…”
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30180por Waliczek, Mateusz, Wierzbicka, Magdalena, Arkuszewski, Maciej, Kijewska, Monika, Jaremko, Łukasz, Rajagopal, Priyadharshni, Szczepski, Kacper, Sroczyńska, Amanda, Jaremko, Mariusz, Stefanowicz, Piotr“…Unlike other molecules like rotaxanes which mechanically interlock at high pressure, the threaded lasso peptides did not form, even at pressures the high pressure up to 14 000 kbar.…”
Publicado 2020
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