Littérature scientifique sur le sujet « Interaction cation-π »
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Articles de revues sur le sujet "Interaction cation-π"
Dougherty, Dennis A. « The Cation−π Interaction ». Accounts of Chemical Research 46, no 4 (7 décembre 2012) : 885–93. http://dx.doi.org/10.1021/ar300265y.
Texte intégralMa, Jennifer C., et Dennis A. Dougherty. « The Cation−π Interaction ». Chemical Reviews 97, no 5 (août 1997) : 1303–24. http://dx.doi.org/10.1021/cr9603744.
Texte intégralPrampolini, Giacomo, Marco d'Ischia et Alessandro Ferretti. « The phenoxyl group-modulated interplay of cation–π and σ-type interactions in the alkali metal series ». Physical Chemistry Chemical Physics 22, no 46 (2020) : 27105–20. http://dx.doi.org/10.1039/d0cp03707a.
Texte intégralArnal-Herault, Carole, Mihail Barboiu, Eddy Petit, Mathieu Michau et Arie van der Lee. « Cation–π interaction : a case for macrocycle–cation π-interaction by its ureidoarene counteranion ». New Journal of Chemistry 29, no 12 (2005) : 1535. http://dx.doi.org/10.1039/b509240j.
Texte intégralOrtolan, Alexandre O., Giovanni F. Caramori, Gernot Frenking et Alvaro Muñoz-Castro. « Role of the cation formal charge in cation–π interaction. A survey involving the [2.2.2]paracyclophane host from relativistic DFT calculations ». New Journal of Chemistry 39, no 12 (2015) : 9963–68. http://dx.doi.org/10.1039/c5nj02384j.
Texte intégralSaid, Musa A., Mohamed R. Aouad, David L. Hughes, Meshal A. Almehmadi et Mouslim Messali. « Synthesis and crystal structure of a new pyridinium bromide salt : 4-methyl-1-(3-phenoxypropyl)pyridinium bromide ». Acta Crystallographica Section E Crystallographic Communications 73, no 12 (3 novembre 2017) : 1831–34. http://dx.doi.org/10.1107/s2056989017015481.
Texte intégralKim, Hee-Joon. « Assembly of Sn(IV)-Porphyrin Cation Exhibiting Supramolecular Interactions of Anion···Anion and Anion···π Systems ». Molbank 2022, no 4 (25 septembre 2022) : M1454. http://dx.doi.org/10.3390/m1454.
Texte intégralZhu, Yujie, Minmin Tang, Huibin Zhang, Faiz-Ur Rahman, Pablo Ballester, Julius Rebek, Christopher A. Hunter et Yang Yu. « Water and the Cation−π Interaction ». Journal of the American Chemical Society 143, no 31 (30 juillet 2021) : 12397–403. http://dx.doi.org/10.1021/jacs.1c06510.
Texte intégralMiao, Junjian, Bo Song et Yi Gao. « Enhanced Aerogen-π Interaction by a Cation-π Force ». Chemistry - A European Journal 22, no 8 (21 janvier 2016) : 2586–89. http://dx.doi.org/10.1002/chem.201504210.
Texte intégralKnop, Osvald, T. Stanley Cameron, Pradip K. Bakshi, Antony Linden et Stephen P. Roe. « Crystal chemistry of tetraradial species. Part 5. Interaction between cation lone pairs and phenyl groups in tetraphenylborates : crystal structures of Me3S+,Et3S+,Me3SO+,Ph2I+, and 1-azoniapropellane tetraphenylborates ». Canadian Journal of Chemistry 72, no 8 (1 août 1994) : 1870–81. http://dx.doi.org/10.1139/v94-238.
Texte intégralThèses sur le sujet "Interaction cation-π"
Mohiti, Maziar. « Asymmetric addition of chiral boronate complexes bearing π system to iminium intermediates exploiting cation-π interaction ». Thesis, University of Bristol, 2015. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.690759.
Texte intégralChen, Jing. « SOLUTION AND SOLID STATE INTERACTIONS BETWEEN IONIC π-SYSTEMS ». UKnowledge, 2006. http://uknowledge.uky.edu/gradschool_diss/289.
Texte intégralHe, Tao. « I. Exploration of Amphitropic Protein Interactions at the Membrane Interface ; II. DNF2—A Plant Protein with Homology to Bacterial PI-PLC Enzymes ». Thesis, Boston College, 2015. http://hdl.handle.net/2345/bc-ir:104815.
Texte intégralAmphitropic proteins, such as the virulence factor phosphatidylinositol-specific phospholipase C (PI-PLC) from Bacillus thuringiensis, often depend on lipid-specific recognition of target membranes. However, the recognition mechanisms for zwitterionic lipids such as phosphatidylcholine (PC), which is enriched in the outer leaflet of eukaryotic cell membranes, are not well understood. Molecular dynamics (MD) simulation and mutagenesis results strongly indicate that PI-PLC interacts with PC head groups via cation-π interactions with aromatic tyrosine residues, and suggest that cation-π interactions at the interface may be a mechanism for specific lipid recognition by amphitropic and membrane proteins. Aromatic amino acids can not only form cation-π interactions at the interface but also insert into membranes and have hydrophobic interactions with lipid tails. Heretofore there has been no facile way to differentiate these two types of interactions. We show that specific incorporation of fluorinated amino acids into proteins can experimentally distinguish cation-π interactions from membrane insertion of the aromatic side-chains. Fluorinated aromatic amino acids destabilize the cation-π interactions by altering electrostatics of the aromatic ring while their enhanced hydrophobicity enhances membrane insertion. Incorporation of pentafluorophenylalanine or difluorotyrosine into a Staphylococcus aureus phosphatidylinositol-specific phospholipase C (PI-PLC) variant engineered to contain a specific PC-binding site demonstrates the effectiveness of this methodology. Applying this methodology to the plethora of tyrosine residues in Bacillus thuringiensis PI-PLC identifies those involved in cation-π interactions with PC. Cation-π interactions provide a likely molecular mechanism for BtPI-PLC PC specificity but do not account for its preference for bilayers containing a small fraction of anionic lipids. MD simulations and fluorescence correlation spectroscopy (FCS) vesicle binding measurements of positively charged amino acids as well as surface tyrosine residues are used to formulate a complete model of BtPI-PLC specific binding to mixed anionic phospholipid/PC membrane. DNF2, a new plant protein with homology to bacterial PI-PLC, is confirmed to be the first plant small PI-PLC enzyme that can cleave both PI and glycosylphosphatidylinositol (GPI) anchored proteins. GPI-anchored protein cleavage also confirms that DNF2 plays an important role in symbiosome, the intracellular compartment formed by the plant that contains nitrogen fixing bacteria
Thesis (PhD) — Boston College, 2015
Submitted to: Boston College. Graduate School of Arts and Sciences
Discipline: Chemistry
Ortega, Varga Laura. « Innovative inhibition strategy against functional structural transitions of essential pathogenic factors : Computational applications to Malarial and Neurotransmitter targets ». Electronic Thesis or Diss., Sorbonne université, 2019. http://www.theses.fr/2019SORUS455.
Texte intégralThis PhD project describes the design of inhibitors of two essential malaria enzymes and of novel modulators of specific nicotinic acetylcholine receptors (nAChRs). Plasmodium vivax subtilase SUB1 is required for parasite egress. We focused our efforts on the design of reversible covalent inhibitors of PvSUB1. We performed covalent docking of potential peptide and peptidomimetic candidates and studied peptide cyclization. Several peptides have shown activity in the submicromolar range and could be resolved after co-crystalization. Plasmodium falciparum lactate dehydrogenase is critical for parasite metabolism. We targeted it by design on the basis of inhibitory cofactor analogs. We have built a combinatorial library aiming to bridge the cofactor and the substrate binding site, while avoiding affecting the human isoenzymes. We screened it in silico and selected about fifty molecules that are under synthesis for ex vivo testing. We also targeted α5 subunit containing nAChRs to address addiction. A multidisciplinary approach has been established. It uses an AChBP engineered chimera, which structure was solved in complex with the first known 5 ligands. This structure, and two comparative modeling models were used to perform in silico screening. A cation-π interaction definition was introduced in the FlexX software and side chain flexibility was allowed in the binding site. An interactive pipeline was developed for the analysis of the virtual screening results and hit molecules have been confirmed by STD-NMR experiments. Deep neural networks models were also built to assess on- and off-target bioactivity prediction in a panel of nAChRs and putative off-targets
Berry, Bruce W. « Using de novo design proteins to explore tyrosine radicals and cation-π interactions ». Doctoral thesis, Stockholms universitet, Institutionen för biokemi och biofysik, 2014. http://urn.kb.se/resolve?urn=urn:nbn:se:su:diva-102008.
Texte intégralAt the time of the doctoral defense, the following paper was unpublished and had a status as follows: Paper 4: Manuscript.
Arnal-Hérault, Carole. « Matériaux biomimétiques adaptatifs programmés par auto-assemblage de nucléobases ou par interactions cation-π ». Montpellier 2, 2006. http://www.theses.fr/2006MON20100.
Texte intégralAlshamrani, Nouf. « Cation-π Interactions of Selected Alkali Metal Ions with Two Benzene Rings Connected through Linear Chains ». DigitalCommons@Robert W. Woodruff Library, Atlanta University Center, 2018. http://digitalcommons.auctr.edu/cauetds/147.
Texte intégralMihai, Simona. « Systèmes biomimétiques multifonctionnels via des interactions cation-π, sucres-protéines et autoassemblages de quartets de guanosine ». Montpellier 2, 2009. http://www.theses.fr/2009MON20217.
Texte intégralThe functioning of the living world rests on processes of molecular recognition between the various partners. This recognition takes place thanks to diverse weak interactions not covalentes. Within the framework of this work of thesis we were interested in the processes of molecular recognition involving the side chains of aromatic aminoacides met in the cellular membership, the transport of diverse cations and the recognition of neurotransmitters at the level of the synapses of the central nervous system. We so put in evidence the compléxation of carbohydrates by aromatic nuclei through interactions CH-pi as well as the compléxation of diverse organic and inorganic salts through interactions cation-pi by these same receivers. We so realized the competitive transport of neurotransmitters through a hybrid membrane alumino-siliciée fonctionnalisée by our synthetic receivers. On the other hand, we granted a particular importance for the dynamic superstructure formed by quartets of guanosine and tried in particular to observe the transfer of chirality of this structure in the inorganic matrix during a sol-gel process. We also stabilized G-quadruplexes in a stuffy silicié environment and developed a method of encapsulation of active principles based on the specific recognition of G4
Pratuangdejkul, Jaturong. « Modélisation moléculaire de la sérotonine et de son transporteur ». Paris 5, 2005. http://www.theses.fr/2005PA05P634.
Texte intégralThe object of this thesis was initially to establish the three dimensions quantitative structure-activity relationships (3D-QSAR) of 121 chemical compounds in order to determine the necessary physicochemical properties of these molecules transported through SERT. From this study we extracted a pharmacophore for the 3D definition of compound transported by SERT. We have based this study on an exhaustive conformational analysis of serotonin by quantum chemistry. We could show that the electrostatic forces which influence the conformation of serotonin are mainly due to cation-p interactions with a predominant participation of a charge transfer. We also showed that these non-bonded forces influence the two pKa of serotonin that correspond to the ionization of the ammonium and 5-hydroxyl groups. We could predict both pKa's in agreement with the experimental values by using ab initio calculations
Kotze, Izak Aldert. « Self-association of [PtII(1,10-Phenanthroline)(N-pyrrolidyl-N-(2,2-dimethyl-propanoyl)thiourea)]+ and non-covalent outer-sphere complex formation with fluoranthene through cation-π interactions : a high resolution 1H and DOSY NMR study ». Thesis, Stellenbosch : University of Stellenbosch, 2009. http://hdl.handle.net/10019.1/1796.
Texte intégralLivres sur le sujet "Interaction cation-π"
Yamada, Shinji. The Cation–π Interaction. Singapore : Springer Nature Singapore, 2022. http://dx.doi.org/10.1007/978-981-19-7335-2.
Texte intégralChapitres de livres sur le sujet "Interaction cation-π"
Yamada, Shinji. « Materials Science ». Dans The Cation–π Interaction, 145–94. Singapore : Springer Nature Singapore, 2022. http://dx.doi.org/10.1007/978-981-19-7335-2_5.
Texte intégralYamada, Shinji. « Introduction ». Dans The Cation–π Interaction, 1–5. Singapore : Springer Nature Singapore, 2022. http://dx.doi.org/10.1007/978-981-19-7335-2_1.
Texte intégralYamada, Shinji. « Biological Systems ». Dans The Cation–π Interaction, 43–93. Singapore : Springer Nature Singapore, 2022. http://dx.doi.org/10.1007/978-981-19-7335-2_3.
Texte intégralYamada, Shinji. « Fundamentals of Cation–π Interactions ». Dans The Cation–π Interaction, 7–41. Singapore : Springer Nature Singapore, 2022. http://dx.doi.org/10.1007/978-981-19-7335-2_2.
Texte intégralYamada, Shinji. « Organic Synthesis ». Dans The Cation–π Interaction, 95–143. Singapore : Springer Nature Singapore, 2022. http://dx.doi.org/10.1007/978-981-19-7335-2_4.
Texte intégralVelazquez, Hector Adam, et Donald Hamelberg. « Ionic, Hydrogen Bond, and π-Cation Interactions ». Dans Chemosensors, 19–24. Hoboken, NJ, USA : John Wiley & Sons, Inc., 2011. http://dx.doi.org/10.1002/9781118019580.ch2.
Texte intégralJorgensen, William L., Daniel L. Severance et Erin M. Duffy. « Modeling Interactions with Benzene : Aryl-Aryl, Cation-π, and Chaotrope-π ». Dans Computational Approaches in Supramolecular Chemistry, 161–73. Dordrecht : Springer Netherlands, 1994. http://dx.doi.org/10.1007/978-94-011-1058-7_11.
Texte intégralSha, Wei, Rieko Arimoto et Garland R. Marshall. « Receptor-Bound Conformation of α-Peptide of Transducin (Gt) is not Stabilized by a “π-Cation” Interaction but by Constrained Lactam Bridges Between Residues 341 and 350 ». Dans Peptides : The Wave of the Future, 909–10. Dordrecht : Springer Netherlands, 2001. http://dx.doi.org/10.1007/978-94-010-0464-0_424.
Texte intégralMahadevi, A. Subha, et G. Narahari Sastry. « Computational Approaches Towards Modeling Finite Molecular Assemblies : Role of Cation-π, π–π and Hydrogen Bonding Interactions ». Dans Practical Aspects of Computational Chemistry I, 517–55. Dordrecht : Springer Netherlands, 2011. http://dx.doi.org/10.1007/978-94-007-0919-5_18.
Texte intégralYamada, Shinji. « CHAPTER 6. Onium Ion-assisted Organic Reactions Through Cation–π Interactions ». Dans Catalysis Series, 137–52. Cambridge : Royal Society of Chemistry, 2019. http://dx.doi.org/10.1039/9781788016490-00137.
Texte intégralActes de conférences sur le sujet "Interaction cation-π"
Malenov, Dušan P., Katarina A. Ćeranić, Dubravka Z. Vojislavljević-Vasilev et Snežana D. Zarić. « Modeling ion-π interactions of transition metal complexes ». Dans 2nd International Conference on Chemo and Bioinformatics. Institute for Information Technologies, University of Kragujevac, 2023. http://dx.doi.org/10.46793/iccbi23.621m.
Texte intégralCarrazana-Garcia, Jorge, Enrique Cabaleiro Lago et Jesus Rodriguez Otero. « Theoretical study on cation–π interaction in graphene fragments ». Dans The 23rd International Electronic Conference on Synthetic Organic Chemistry. Basel, Switzerland : MDPI, 2019. http://dx.doi.org/10.3390/ecsoc-23-06497.
Texte intégralGorbachev, Vladimir, Peter Chen, Larisa Miloglyadova et Alexandra Tsybizova. « CAN LONDON DISPERSION OVERRIDE CATION- π INTERACTIONS ? » Dans 2022 International Symposium on Molecular Spectroscopy. Urbana, Illinois : University of Illinois at Urbana-Champaign, 2022. http://dx.doi.org/10.15278/isms.2022.wi03.
Texte intégralWONG, Y. P., K. M. NG et C. W. TSANG. « CATION-π INTERACTIONS IN AG(I)-SUBSTITUED ALKYLBENZENES COMPLEXES : A THEORETICAL STUDY ». Dans Proceedings of the International Conference on Scientific and Engineering Computation (IC-SEC) 2002. PUBLISHED BY IMPERIAL COLLEGE PRESS AND DISTRIBUTED BY WORLD SCIENTIFIC PUBLISHING CO., 2002. http://dx.doi.org/10.1142/9781860949524_0003.
Texte intégralLEE, H. M., et C. W. TSANG. « CATION-π INTERACTIONS IN AG(I)-SUBSTITUTED NAPHTHALENE COMPLEXES : AN AB INITIO MOLECULAR ORBITAL STUDY ». Dans Proceedings of the International Conference on Scientific and Engineering Computation (IC-SEC) 2002. PUBLISHED BY IMPERIAL COLLEGE PRESS AND DISTRIBUTED BY WORLD SCIENTIFIC PUBLISHING CO., 2002. http://dx.doi.org/10.1142/9781860949524_0013.
Texte intégralMilenković, Dejan A., Marko N. Živanović, Milan S. Dekić, Marijana Stanojević Pirković et Jelena R. Đorović Jovanović. « CYTOTOXIC ACTIVITY AND MOLECULAR DOCKING STUDY OF 4- SUBSTITUTED FLAVYLIUM SALT ». Dans 1st INTERNATIONAL Conference on Chemo and BioInformatics. Institute for Information Technologies, University of Kragujevac,, 2021. http://dx.doi.org/10.46793/iccbi21.466m.
Texte intégralBrathwaite, Antonio, Michael Duncan, TIMOTHY WARD et Richard Walters. « CATION-π AND CH-π INTERACTIONS IN THE COORDINATION AND SOLVATION OF Cu+ (ACETYLENE)n (n=1-6) COMPLEXES INVESTIGATED VIA INFRARED PHOTODISSOCIATION SPECTROSCOPY ». Dans 70th International Symposium on Molecular Spectroscopy. Urbana, Illinois : University of Illinois at Urbana-Champaign, 2015. http://dx.doi.org/10.15278/isms.2015.ra09.
Texte intégralMeybodi, M. Kalantari, K. S. Sorbie, O. Vazquez, K. Jarrahian et E. J. Mackay. « Coupled Adsorption/Precipitation Modelling of Phosphonate Scale Inhibitors in a Batch Reactive System ». Dans SPE International Conference and Exhibition on Formation Damage Control. SPE, 2024. http://dx.doi.org/10.2118/217904-ms.
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