Academic literature on the topic 'Crown ethers'
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Journal articles on the topic "Crown ethers"
Mao, Hua, John B. Thorne, Jennifer S. Pharr, and Robert E. Gawley. "Effect of crown ether ring size on binding and fluorescence response to saxitoxin in anthracylmethyl monoazacrown ether chemosensors." Canadian Journal of Chemistry 84, no. 10 (October 1, 2006): 1273–79. http://dx.doi.org/10.1139/v06-093.
Full textPranowo, Harno Dwi, and Chairil Anwar. "INTERACTION BETWEEN Li+ CATION WITH CROWN ETHERS OF Bz15C5, DBz16C5 AND DBz18C6: MOLECULAR MODELING BASE ON MNDO/d SEMIEMPIRICAL METHOD." Indonesian Journal of Chemistry 3, no. 1 (June 7, 2010): 55–66. http://dx.doi.org/10.22146/ijc.21906.
Full textFronczek, Frank R., Richard D. Gandour, Thomas M. Fyles, Philippa J. Hocking, Susan J. McDermid, and P. Daniel Wotton. "Polycarboxylate crown ethers from meso-tartaric acid." Canadian Journal of Chemistry 69, no. 1 (January 1, 1991): 12–19. http://dx.doi.org/10.1139/v91-003.
Full textLu, Zhongyuan, Benjamin A. Jackson, and Evangelos Miliordos. "Ab Initio Calculations on the Ground and Excited Electronic States of Thorium–Ammonia, Thorium–Aza-Crown, and Thorium–Crown Ether Complexes." Molecules 28, no. 12 (June 12, 2023): 4712. http://dx.doi.org/10.3390/molecules28124712.
Full textZimnicka, Magdalena M. "Crown ethers as shift reagents in peptide epimer differentiation –conclusions from examination of ac-(H)FRW-NH2 petide sequences." International Journal for Ion Mobility Spectrometry 23, no. 2 (October 2020): 177–88. http://dx.doi.org/10.1007/s12127-020-00271-2.
Full textSzemenyei, Balázs, Balázs Novotny, Sarolta Zsolnai, Zsombor Miskolczy, László Biczók, Attila Takács, László Kollár, László Drahos, Ildikó Móczár, and Péter Huszthy. "Push or Pull for a Better Selectivity? A Study on the Electronic Effects of Substituents of the Pyridine Ring on the Enantiomeric Recognition of Chiral Pyridino-18-Crown-6 Ethers." Symmetry 12, no. 11 (October 30, 2020): 1795. http://dx.doi.org/10.3390/sym12111795.
Full textAnantanarayan, Ashok, and Thomas M. Fyles. "Polycarboxylate diaza crown ethers derived from R,R-(+)-tartaric acid: synthesis and complexation of metal ions." Canadian Journal of Chemistry 68, no. 8 (August 1, 1990): 1338–51. http://dx.doi.org/10.1139/v90-206.
Full textEsseffar, M'hamed, Mohamed El Mouhtadi, José-Luis M. Abboud, José Elguero, and Daniel Liotard. "Étude théorique (AM1) de l'affinité protonique des polyéthers cycliques (éthers couronnes) et non cycliques (glymes)." Canadian Journal of Chemistry 69, no. 12 (December 1, 1991): 1970–75. http://dx.doi.org/10.1139/v91-283.
Full textOh, Young-Ho, Ju Gyeong Jeong, Dong Wook Kim, and Sungyul Lee. "Nucleophilic Reactions Using Alkali Metal Fluorides Activated by Crown Ethers and Derivatives." Catalysts 13, no. 3 (February 27, 2023): 479. http://dx.doi.org/10.3390/catal13030479.
Full textInoue, Yoshihisa, Hiroya Harino, Toshiyo Nakazato, Noriaki Koseki, and Tadao Hakushi. "Unsaturated crown ethers. 3. Syntheses of stilbeno crown ethers." Journal of Organic Chemistry 50, no. 25 (December 1985): 5151–56. http://dx.doi.org/10.1021/jo00225a035.
Full textDissertations / Theses on the topic "Crown ethers"
Huang, Zilin. "Synthesis and Complexation Studies of Novel Functionalized Crown Ethers and Azacrown Ethers." Thesis, University of North Texas, 2006. https://digital.library.unt.edu/ark:/67531/metadc5593/.
Full textOwens, K. A. "Polycyclic crown ethers incorporating cyclophane units." Thesis, University of Liverpool, 1985. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.370864.
Full textWilson, Mark James. "Activity relationships for aromatic crown ethers." Thesis, University of Strathclyde, 1998. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.249872.
Full textHuang, Zilin. "Synthesis and Properties of Novel Cage-Annulated Crown Ethers." Thesis, University of North Texas, 2003. https://digital.library.unt.edu/ark:/67531/metadc5523/.
Full textDenike, John Kane Carleton University Dissertation Chemistry. "The synthesis and complexation of bis-crown ethers and polymers bearing pendant crown ethers and the study of molecular motion of crown ethers in solids using solid state 2H NMR." Ottawa, 1992.
Find full textJi, Mingzhe. "Explorations with optically active, cage-annulated crown ethers." Thesis, University of North Texas, 2003. https://digital.library.unt.edu/ark:/67531/metadc4207/.
Full textMerithew, Andrew William. "Differential Self-Assembly of Novel Redox Crown Ethers." Thesis, University of California, Santa Barbara, 2014. http://pqdtopen.proquest.com/#viewpdf?dispub=3645672.
Full textRetinal prosthesis relies on the stimulation of living nerve tissue behind the rods and cones of the eye. The current state of the art relies on electrodes controlled by cameras which directly stimulate the nerve tissue to elicit a response to an image. These types of retinal implants have allowed for short-term crude vision in patients but have had limited long term success due to external battery packs and electroplating of the implanted electrodes.
Ionic stimulation is one of the principle mechanisms that sensory neurons utilize in the generation of an action potential. In a complex transduction pathway, ionic gradients are constantly altered inside the neuron by voltage sensors or mechanically controlled gates embedded in the neuronal cell membrane; responsible for the open and close state of these ion channels.
It has been demonstrated that local concentration increases of K + by direct injection proximal to the nerve can elicit nerve firing at a concentration of 15-20 mM (3-4X normal concentration) increase in K + concentration. As part of a larger concept of integrating biotechnology with nanofabrication, the materials for the development of potassium selective sequestration/storage and delivery were developed in the form of a redox-gated K+ selective crown ether.
The structure of the anthraquinone-based crown was deduced by computational simulation and stoichiometry of the complex confirmed by mass spec. along with 2D diffusion NMR techniques. In this instance, the stoichiometry could be controlled by the addition of different salts to give a 1:1 complex with large, aromatic anions and a 2:1 complex with smaller anions such as triflate. The synthesis of the molecule was optimized by computational modeling and simulations of transport through an artificial membrane. The selectivity of the architecture developed was specific for K+ over Na+, the other major ionic species present in the blood. The mechanism influencing the self-assembly of this class of compounds has much to do with the breakage of intramolecular π-stacking interactions and the formation of stronger intermolecular π-stacking interactions.
Finally, the transport of K+ through nanoporous membranes and single nanopores with novel PEG-type polymeric dispersions is demonstrated. This thesis concludes with future work toward developing more advanced transporters and proposes novel uses for anthraquinone-appended polymers as proton exchange membranes and DNA-base pair interchelators.
D'Souza, Lawrence Joseph. "Bile Acid Based Molecular Tweezers And Crown Ethers." Thesis, Indian Institute of Science, 1995. https://etd.iisc.ac.in/handle/2005/114.
Full textD'Souza, Lawrence Joseph. "Bile Acid Based Molecular Tweezers And Crown Ethers." Thesis, Indian Institute of Science, 1995. http://hdl.handle.net/2005/114.
Full textLandry, Denis Joseph Carleton University Dissertation Chemistry. "Approaches to the synthesis and sterochemical analysis of aza crown ethers." Ottawa, 1989.
Find full textBooks on the topic "Crown ethers"
E, Weber, Patai Saul, and Rappoport Zvi, eds. Crown ethers and analogs. Chichester: Wiley, 1989.
Find full textMichio, Hiraoka, ed. Crown ethers and analogous compounds. Amsterdam: Elsevier, 1992.
Find full textMichio, Hiraoka, ed. Crown ethers and analogous components. Amsterdam: Elsevier, 1992.
Find full textWeber, Edwin, John L. Toner, Israel Goldberg, Fritz Vgtle, Dale A. Laidler, J. Fraser Stoddart, Richard A. Bartsch, and Charles L. Liotta, eds. Crown Ethers and Analogs (1989). Chichester, UK: John Wiley & Sons, Inc., 1989. http://dx.doi.org/10.1002/9780470772232.
Full textRobinson, Peter Mark. Crown ethers incorporating stable carbocations. Manchester: University of Manchester, 1994.
Find full textMooney, Nichola Jane. Crown ethers incorporating 1,8-dioxyxanthyl residues. Manchester: University of Manchester, 1996.
Find full textNesterov, S. V. Dicyclohexanocrown ethers: From synthesis to radiochemical applications. New York: Nova Science Publishers, 2011.
Find full textBradshaw, J. S. Aza-crown macrocycles. New York: Wiley, 1993.
Find full text1926-, Izatt Reed McNeil, and Bradshaw J. S, eds. The Pedersen memorial issue. Dordrecht: Kluwer Academic Publishers, 1992.
Find full textMooney, Nichola Jane. Synthesis and properties of crown ethers incorporating Xanthene residues. Manchester: University of Manchester, 1993.
Find full textBook chapters on the topic "Crown ethers"
Mohapatra, P. K. "Crown Ethers." In Encyclopedia of Membranes, 488–90. Berlin, Heidelberg: Springer Berlin Heidelberg, 2016. http://dx.doi.org/10.1007/978-3-662-44324-8_162.
Full textMohapatra, P. K. "Crown Ethers." In Encyclopedia of Membranes, 1–2. Berlin, Heidelberg: Springer Berlin Heidelberg, 2014. http://dx.doi.org/10.1007/978-3-642-40872-4_162-4.
Full textFedorova, Olga, Yuri Fedorov, and Vladimir Lokshin. "Photochromic Crown Ethers." In Photon-Working Switches, 345–61. Tokyo: Springer Japan, 2017. http://dx.doi.org/10.1007/978-4-431-56544-4_17.
Full textStoddart, J. Fraser. "Chiral Crown Ethers." In Topics in Stereochemistry, 207–88. Hoboken, NJ, USA: John Wiley & Sons, Inc., 2007. http://dx.doi.org/10.1002/9780470147269.ch3.
Full textKaller, Martin, and Sabine Laschat. "Liquid Crystalline Crown Ethers." In Topics in Current Chemistry, 109–92. Berlin, Heidelberg: Springer Berlin Heidelberg, 2011. http://dx.doi.org/10.1007/128_2011_211.
Full textTakata, Toshikazu, and Hiromitsu Sogawa. "Crown Ethers-Based Supramolecular Polymers." In Encyclopedia of Polymeric Nanomaterials, 1–6. Berlin, Heidelberg: Springer Berlin Heidelberg, 2013. http://dx.doi.org/10.1007/978-3-642-36199-9_96-1.
Full textBotti, P., H. L. Ball, P. Lucietto, M. Pinori, and P. Mascagni. "Crown ethers and peptide synthesis." In Peptides 1994, 147–48. Dordrecht: Springer Netherlands, 1995. http://dx.doi.org/10.1007/978-94-011-1468-4_56.
Full textTakata, Toshikazu, and Hiromitsu Sogawa. "Crown Ethers-Based Supramolecular Polymers." In Encyclopedia of Polymeric Nanomaterials, 505–10. Berlin, Heidelberg: Springer Berlin Heidelberg, 2015. http://dx.doi.org/10.1007/978-3-642-29648-2_96.
Full textChen, Ling, and Yu Liu. "Water-Soluble Aromatic Crown Ethers." In Handbook of Macrocyclic Supramolecular Assembly, 3–26. Singapore: Springer Singapore, 2020. http://dx.doi.org/10.1007/978-981-15-2686-2_2.
Full textFu, Hong-Guang, Yong Chen, and Yu Liu. "Polypseudorotaxanes Constructed by Crown Ethers." In Handbook of Macrocyclic Supramolecular Assembly, 27–47. Singapore: Springer Singapore, 2020. http://dx.doi.org/10.1007/978-981-15-2686-2_3.
Full textConference papers on the topic "Crown ethers"
El-Azhary, A. A., N. Al-Jallal, A. Al-Kahtani, N. Al-Badri, K. Al-Farhan, and M. Al-Qunaibit. "Structure of crown ethers." In THEORY AND APPLICATIONS IN COMPUTATIONAL CHEMISTRY: THE FIRST DECADE OF THE SECOND MILLENNIUM: International Congress TACC-2012. AIP, 2012. http://dx.doi.org/10.1063/1.4730663.
Full textVazirova, Leyla, and Govhar Abbasova. "Sorbents Based on Iron Oxide Nanoparticles for Release of Tetracyclines for Water Treatment." In 2nd International Scientific-Practical Conference "Machine Building and Energy: New Concepts and Technologies". Switzerland: Trans Tech Publications Ltd, 2024. http://dx.doi.org/10.4028/p-sh9pfn.
Full textBirck, Jean Louis, Julien Bouchez, Akanksha Praharaj, Mathieu Dellinger, and Samia Zrig. "Li separation from natural samples using crown-ethers." In Goldschmidt2023. France: European Association of Geochemistry, 2023. http://dx.doi.org/10.7185/gold2023.18705.
Full textLopez, Juan, Susana Blanco, Melanie Schnell, and Cristobal Perez. "CHARACTERIZATION OF MICROSOLVATED CROWN ETHERS FROM BROADBAND ROTATIONAL SPECTROSCOPY." In 71st International Symposium on Molecular Spectroscopy. Urbana, Illinois: University of Illinois at Urbana-Champaign, 2016. http://dx.doi.org/10.15278/isms.2016.ti05.
Full textChang, S. H., T. J. Ka, J. Y. Kim, A. S. Yeon, H. H. Nam, and G. S. Che. "Syntheses of new Bis-crown ethers based on siloxane." In International Conference on Science and Technology of Synthetic Metals. IEEE, 1994. http://dx.doi.org/10.1109/stsm.1994.835746.
Full textTrisca-Rusu, C., A. C. Nechifor, S. I. Voicu, and G. Nechifor. "Covalently immobilized crown ethers onto polysulfone membranes as materials for sensors." In 2010 International Semiconductor Conference (CAS 2010). IEEE, 2010. http://dx.doi.org/10.1109/smicnd.2010.5649081.
Full textNakamura, T., K. Honda, A. E. Underhill, A. T. Coomber, and R. H. Friend. "Ni(dmit)/sub 2/ salts of group-i-cation-including crown ethers." In International Conference on Science and Technology of Synthetic Metals. IEEE, 1994. http://dx.doi.org/10.1109/stsm.1994.835469.
Full textKim, Sun-Ju, and Ji-Youn Seo. "Interfacial engineering through lead binding using crown ethers in perovskite solar cells." In International Conference on Hybrid and Organic Photovoltaics. València: FUNDACIO DE LA COMUNITAT VALENCIANA SCITO, 2024. http://dx.doi.org/10.29363/nanoge.hopv.2024.195.
Full textGuseva, E. V., Z. Z. Idiiatullova, and L. F. Davletshina. "The study of ligand properties of crown ethers (18-crown-6 and dibenzo-18-crown-6) when interacting with RhCl3 • nH2O in aprotic and proton solvents." In ТЕНДЕНЦИИ РАЗВИТИЯ НАУКИ И ОБРАЗОВАНИЯ. НИЦ «Л-Журнал», 2019. http://dx.doi.org/10.18411/lj-03-2019-130.
Full textPaviet-Hartmann, Patricia, Ana Nunez Gomez-Aleixandre, Joshua Pak, Amparo Glez Espartero, Frederic Poineau, Amber Wright, Edward Mausolf, and Kenneth R. Czerwinski. "Extraction of Technetium as [Tc(II)(NO)(AHA)2H2O]+ Species in the UREX Process." In 17th International Conference on Nuclear Engineering. ASMEDC, 2009. http://dx.doi.org/10.1115/icone17-75509.
Full textReports on the topic "Crown ethers"
Bartsch, R. Metal ion complexation by ionizable crown ethers. Office of Scientific and Technical Information (OSTI), September 1989. http://dx.doi.org/10.2172/5483625.
Full textBartsch, R. Metal ion complexation by ionizable crown ethers. Office of Scientific and Technical Information (OSTI), June 1990. http://dx.doi.org/10.2172/6737356.
Full textChien M. Wai, Anne Rustenholtz, Shaofen Wang, Su-Chen Lee, Jamie Herman, and Richard A. Porter. Solvent Effects on Cesium Complexation with Crown Ethers from Liquid to Supercritical Fluids. Office of Scientific and Technical Information (OSTI), March 2004. http://dx.doi.org/10.2172/822406.
Full textChiarizia, R., M. L. Dietz, E. P. Horwitz, and W. C. Burnett. Radium separation through complexation by aqueous crown ethers and ion exchange or solvent extraction. Office of Scientific and Technical Information (OSTI), November 1997. http://dx.doi.org/10.2172/554809.
Full textEyring, Edward M., and Sergio Petrucci. Rates and Mechanisms of Complexation Reactions of Cations with Crown Ethers and Related Macrocycles. Fort Belvoir, VA: Defense Technical Information Center, January 1989. http://dx.doi.org/10.21236/ada203436.
Full textWai, Chien M., and Clem Yonker. Solution Effects on Cesium Complexation with Calixarene - Crown Ethers from Liquid to Supercritical Fluids. Office of Scientific and Technical Information (OSTI), June 1999. http://dx.doi.org/10.2172/833192.
Full textBonnesen, P. V., B. A. Moyer, D. J. Presley, V. S. Armstrong, T. J. Haverlock, R. M. Counce, and R. A. Sachleben. Alkaline-side extraction of technetium from tank waste using crown ethers and other extractants. Office of Scientific and Technical Information (OSTI), June 1996. http://dx.doi.org/10.2172/257317.
Full textBartsch, R. A. Metal ion complexation by ionizable crown ethers. Final report, January 1, 1988--June 30, 1994. Office of Scientific and Technical Information (OSTI), December 1994. http://dx.doi.org/10.2172/392788.
Full textBartsch, R. A. Metal ion complexation by ionizable crown ethers. Progress report, January 1, 1991--December 31, 1993. Office of Scientific and Technical Information (OSTI), July 1993. http://dx.doi.org/10.2172/10134650.
Full textBonnesen, P. V., D. J. Presley, T. J. Haverlock, and B. A. Moyer. Removal of technetium from alkaline nuclear-waste media by a solvent-extraction process using crown ethers. Office of Scientific and Technical Information (OSTI), July 1995. http://dx.doi.org/10.2172/86950.
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