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Artigos de revistas sobre o tema "Arene-Ruthenium assemblies"

Autor: Grafiati
Publicado: 1 de fevereiro de 2025

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1

Therrien, Bruno. "Biologically relevant arene ruthenium metalla-assemblies". CrystEngComm 17, n.º 3 (2015): 484–91. http://dx.doi.org/10.1039/c4ce02146k.

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2

Vardhan, Harsh, Akshay Mehta, Chizoba I. Ezugwu e Francis Verpoort. "Self-assembled arene ruthenium metalla-assemblies". Polyhedron 112 (julho de 2016): 104–8. http://dx.doi.org/10.1016/j.poly.2016.04.009.

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3

Barry, Nicolas P. E., Olivier Zava, Julien Furrer, Paul J. Dyson e Bruno Therrien. "Anticancer activity of opened arene ruthenium metalla-assemblies". Dalton Transactions 39, n.º 22 (2010): 5272. http://dx.doi.org/10.1039/c001521k.

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4

Therrien, Bruno. "ChemInform Abstract: Biologically Relevant Arene Ruthenium Metalla-Assemblies". ChemInform 46, n.º 28 (25 de junho de 2015): no. http://dx.doi.org/10.1002/chin.201528275.

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5

Therrien, Bruno, e Julien Furrer. "The Biological Side of Water-Soluble Arene Ruthenium Assemblies". Advances in Chemistry 2014 (17 de julho de 2014): 1–20. http://dx.doi.org/10.1155/2014/589686.

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This review article covers the synthetic strategies, structural aspects, and host-guest properties of ruthenium metalla-assemblies, with a special focus on their use as drug delivery vectors. The two-dimensional metalla-rectangles show interesting host-guest possibilities but seem less appropriate for being used as drug carriers. On the other hand, metalla-prisms allow encapsulation and possible targeted release of bioactive molecules and consequently show some potential as drug delivery vectors. The reactivity of these metalla-prisms can be fine-tuned to allow a fine control of the guest’s release. The larger metalla-cubes can be used to stabilize the formation of G-quadruplex DNA and can be used to encapsulate and release photoactive molecules such as porphins. These metalla-assemblies demonstrate great prospective in photodynamic therapy.
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6

Gaschard, Marie, Farzaneh Nehzat, Thomas Cheminel e Bruno Therrien. "Arene Ruthenium Metalla-Assemblies with Anthracene Moieties for PDT Applications". Inorganics 6, n.º 3 (12 de setembro de 2018): 97. http://dx.doi.org/10.3390/inorganics6030097.

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The synthesis and characterization of three metalla-rectangles of the general formula [Ru4(η6-p-cymene)4(μ4-clip)2(μ2-Lanthr)2][CF3SO3]4 (Lanthr: 9,10-bis(3,3’-ethynylpyridyl) anthracene; clip = oxa: oxalato; dobq: 2,5-dioxido-1,4-benzoquinonato; donq: 5,8-dioxido-1,4-naphthoquinonato) are presented. The molecular structure of the metalla-rectangle [Ru4(η6-p-cymene)4(μ4-oxa)2(μ2-Lanthr)2]4+ has been confirmed by the single-crystal X-ray structure analysis of [Ru4(η6-p-cymene)4(μ4-oxa)2(μ2-Lanthr)2][CF3SO3]4 · 4 acetone (A2 · 4 acetone), thus showing the anthracene moieties to be available for reaction with oxygen. While the formation of the endoperoxide form of Lanthr was observed in solution upon white light irradiation, the same reaction does not occur when Lanthr is part of the metalla-assemblies.
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7

Gupta, Gajendra, Patrycja Nowak-Sliwinska, Noelia Herrero, Paul J. Dyson e Bruno Therrien. "Increasing the selectivity of biologically active tetranuclear arene ruthenium assemblies". Journal of Organometallic Chemistry 796 (novembro de 2015): 59–64. http://dx.doi.org/10.1016/j.jorganchem.2015.02.004.

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8

Ghaddar, Suzan, Aline Pinon, Manuel Gallardo-Villagran, Jacquie Massoud, Catherine Ouk, Claire Carrion, Mona Diab-Assaf, Bruno Therrien e Bertrand Liagre. "Photodynamic Therapy against Colorectal Cancer Using Porphin-Loaded Arene Ruthenium Cages". International Journal of Molecular Sciences 25, n.º 19 (9 de outubro de 2024): 10847. http://dx.doi.org/10.3390/ijms251910847.

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Colorectal cancer (CRC) is the third most common cancer in the world, with an ongoing rising incidence. Despite secure advancements in CRC treatments, challenges such as side effects and therapy resistance remain to be addressed. Photodynamic therapy (PDT) emerges as a promising modality, clinically used in treating different diseases, including cancer. Among the main challenges with current photosensitizers (PS), hydrophobicity and low selective uptake by the tumor remain prominent. Thus, developing an optimal design for PS to improve their solubility and enhance their selective accumulation in cancer cells is crucial for enhancing the efficacy of PDT. Targeted photoactivation triggers the production of reactive oxygen species (ROS), which promote oxidative stress within cancer cells and ultimately lead to their death. Ruthenium (Ru)-based compounds, known for their selective toxicity towards cancer cells, hold potential as anticancer agents. In this study, we investigated the effect of two distinct arene-Ru assemblies, which lodge porphin PS in their inner cavity, and tested them as PDT agents on the HCT116 and HT-29 human CRC cell lines. The cellular internalization of the porphin-loaded assemblies was confirmed by fluorescence microscopy. Additionally, significant photocytotoxicity was observed in both cell lines after photoactivation of the porphin in the cage systems, inducing apoptosis through caspase activation and cell cycle progression disruptions. These findings suggest that arene-Ru assemblies lodging porphin PS are potent candidates for PDT of CRC.
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9

Garci, Amine, Anatoly A. Dobrov, Tina Riedel, Ersin Orhan, Paul J. Dyson, Vladimir B. Arion e Bruno Therrien. "Strategy to Optimize the Biological Activity of Arene Ruthenium Metalla-Assemblies". Organometallics 33, n.º 14 (15 de julho de 2014): 3813–22. http://dx.doi.org/10.1021/om5005176.

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10

Appavoo, Divambal, Diego Carnevale, Robert Deschenaux e Bruno Therrien. "Combining coordination and hydrogen-bonds to form arene ruthenium metalla-assemblies". Journal of Organometallic Chemistry 824 (dezembro de 2016): 80–87. http://dx.doi.org/10.1016/j.jorganchem.2016.10.011.

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11

Gozzi, Marta, Benedikt Schwarze, Peter Coburger e Evamarie Hey-Hawkins. "On the Aqueous Solution Behavior of C-Substituted 3,1,2-Ruthenadicarbadodecaboranes". Inorganics 7, n.º 7 (22 de julho de 2019): 91. http://dx.doi.org/10.3390/inorganics7070091.

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3,1,2-Ruthenadicarbadodecaborane complexes bearing the [C2B9H11]2− (dicarbollide) ligand are robust scaffolds, with exceptional thermal and chemical stability. Our previous work has shown that these complexes possess promising anti-tumor activities in vitro, and tend to form aggregates (or self-assemblies) in aqueous solutions. Here, we report on the synthesis and characterization of four ruthenium(II) complexes of the type [3-(η6-arene)-1,2-R2-3,1,2-RuC2B9H9], bearing either non-polar (R = Me (2–4)) or polar (R = CO2Me (7)) substituents at the cluster carbon atoms. The behavior in aqueous solution of complexes 2, 7 and the parent unsubstituted [3-(η6-p-cymene)-3,1,2-RuC2B9H11] (8) was investigated via UV-Vis spectroscopy, mass spectrometry and nanoparticle tracking analysis (NTA). All complexes showed spontaneous formation of self-assemblies (108–109 particles mL−1), at low micromolar concentration, with high polydispersity. For perspective applications in medicine, there is thus a strong need for further characterization of the spontaneous self-assembly behavior in aqueous solutions for the class of neutral metallacarboranes, with the ultimate scope of finding the optimal conditions for exploiting this self-assembling behavior for improved biological performance.
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12

Paulus, Lucie, Manuel Gallardo-Villagrán, Claire Carrion, Catherine Ouk, Frédérique Martin, Bruno Therrien, David Yannick Léger e Bertrand Liagre. "The Effect of Photosensitizer Metalation Incorporated into Arene–Ruthenium Assemblies on Prostate Cancer". International Journal of Molecular Sciences 24, n.º 17 (2 de setembro de 2023): 13614. http://dx.doi.org/10.3390/ijms241713614.

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Prostate cancer is the second most common cancer for men and a major health issue. Despite treatments, a lot of side effects are observed. Photodynamic therapy is a non-invasive method that uses photosensitizers and light to induce cell death through the intramolecular generation of reactive oxygen species, having almost no side effects. However, some of the PSs used in PDT show inherent low solubility in biological media, and accordingly, functionalization or vectorization is needed to ensure internalization. To this end, we have used arene–ruthenium cages in order to deliver PSs to cancer cells. These metalla-assemblies can host PSs inside their cavity or be constructed with PS building blocks. In this study, we wanted to determine if the addition of metals (Mg, Co, Zn) in the center of these PSs plays a role. Our results show that most of the compounds induce cytotoxic effects on DU 145 and PC-3 human prostate cancer cells. Localization by fluorescence confirms the internalization of the assemblies in the cytoplasm. An analysis of apoptotic processes shows a cleavage of pro-caspase-3 and poly-ADP-ribose polymerase, thus leading to a strong induction of DNA fragmentation. Finally, the presence of metals in the PS decreases PDT’s effect and can even annihilate it.
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13

Chen, Xianjue, Kasturi Vimalanathan, Wenzhe Zang, Ashley D. Slattery, Ramiz A. Boulos, Christopher T. Gibson e Colin L. Raston. "Self-assembled calixarene aligned patterning of noble metal nanoparticles on graphene". Nanoscale 6, n.º 9 (2014): 4517–20. http://dx.doi.org/10.1039/c3nr06857a.

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Patterns of noble metal nanoparticles (NMNPs) of ruthenium and platinum are formed on p-phosphonic acid calix[8]arene stabilized graphene in water with hydrogen gas induced reduction of the metal ions.
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14

Vajpayee, Vaishali, Yoon Jung Yang, Se Chan Kang, Hyunuk Kim, In Su Kim, Ming Wang, Peter J. Stang e Ki-Whan Chi. "Hexanuclear self-assembled arene-ruthenium nano-prismatic cages: potential anticancer agents". Chemical Communications 47, n.º 18 (2011): 5184. http://dx.doi.org/10.1039/c1cc10167f.

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15

Dubey, Abhishek, Yong Joon Jeong, Jae Ho Jo, Sangkook Woo, Dong Hwan Kim, Hyunuk Kim, Se Chan Kang, Peter J. Stang e Ki-Whan Chi. "Anticancer Activity and Autophagy Involvement of Self-Assembled Arene–Ruthenium Metallacycles". Organometallics 34, n.º 18 (11 de setembro de 2015): 4507–14. http://dx.doi.org/10.1021/acs.organomet.5b00512.

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16

Jia, Ai-Quan, Min Chen, Li-Miao Shi, Hua-Tian Shi e Qian-Feng Zhang. "Synthesis, characterization, and reactivity of self-assembled tetranuclear arene ruthenium metalla-rectangles". Journal of Coordination Chemistry 67, n.º 22 (8 de outubro de 2014): 3565–77. http://dx.doi.org/10.1080/00958972.2014.966703.

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17

Govindaswamy, Padavattan, David Linder, Jérôme Lacour, Georg Süss-Fink e Bruno Therrien. "Self-assembled hexanuclear arene ruthenium metallo-prisms with unexpected double helical chirality". Chem. Commun., n.º 45 (2006): 4691–93. http://dx.doi.org/10.1039/b610155k.

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18

Dubey, Abhishek, Jin Wook Min, Hyun Jung Koo, Hyunuk Kim, Timothy R. Cook, Se Chan Kang, Peter J. Stang e Ki-Whan Chi. "Anticancer Potency and Multidrug-Resistant Studies of Self-Assembled Arene-Ruthenium Metallarectangles". Chemistry - A European Journal 19, n.º 35 (12 de julho de 2013): 11622–28. http://dx.doi.org/10.1002/chem.201300870.

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19

Vajpayee, Vaishali, Young Ho Song, Min Hyung Lee, Hyunuk Kim, Ming Wang, Peter J. Stang e Ki‐Whan Chi. "Self‐Assembled Arene–Ruthenium‐Based Rectangles for the Selective Sensing of Multi‐Carboxylate Anions". Chemistry – A European Journal 17, n.º 28 (24 de maio de 2011): 7837–44. http://dx.doi.org/10.1002/chem.201100242.

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20

Mishra, Anurag, Hyunji Jung, Jeong Woo Park, Hong Kyeung Kim, Hyunuk Kim, Peter J. Stang e Ki-Whan Chi. "Anticancer Activity of Self-Assembled Molecular Rectangles via Arene–Ruthenium Acceptors and a New Unsymmetrical Amide Ligand". Organometallics 31, n.º 9 (13 de abril de 2012): 3519–26. http://dx.doi.org/10.1021/om2012826.

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21

Appavoo, Divambal, Nandhagopal Raja, Robert Deschenaux, Bruno Therrien e Diego Carnevale. "NMR spectroscopy and DFT calculations of a self-assembled arene ruthenium rectangle obtained from a combination of coordination and hydrogen bonds". Dalton Transactions 45, n.º 4 (2016): 1410–21. http://dx.doi.org/10.1039/c5dt04179a.

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22

Govindaswamy, Padavattan, Georg Süss-Fink e Bruno Therrien. "Self-Assembled Chloro-Bridged (Arene)ruthenium Metallo-Prisms: Synthesis and Molecular Structure of Cationic Complexes of the Type [Ru6(η6-arene)6(μ3-tpt-κN)2(μ-Cl)6]6+(tpt = 2,4,6-tris(pyridinyl)-1,3,5-triazine)". Organometallics 26, n.º 4 (fevereiro de 2007): 915–24. http://dx.doi.org/10.1021/om060843k.

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23

Therrien, Bruno. "The Role of the Second Coordination Sphere in the Biological Activity of Arene Ruthenium Metalla-Assemblies". Frontiers in Chemistry 6 (11 de dezembro de 2018). http://dx.doi.org/10.3389/fchem.2018.00602.

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